KR102280604B1 - Mask apparatus - Google Patents

Abstract

The present invention relates to a mask device.
A mask device according to the present invention includes a mask body having a front surface exposed to the outside, a rear surface covering at least the mouth and nose, and a flow path formed between the front surface and the rear surface; a plurality of air cleaners located on both sides of the mask body and provided with a fan module and a filter module for filtering external air and supplying it to the flow path; and a plurality of locking parts, some of which are coupled to the plurality of air cleaners and part of which is fixed to the head, wherein the plurality of air cleaners are folded in a direction from both sides of the mask body toward the rear surface of the mask body. characterized in that

Description

Mask device {MASK APPARATUS}

The present invention relates to a mask device.

In general, a mask is a device that covers a user's nose and mouth to prevent inhalation and scattering of germs and dust. The mask is closely attached to the user's face to cover the user's nose and mouth. The mask filters germs and dust contained in the air flowing into the user's nose and mouth, and allows the filtered air to flow into the user's mouth and nose. Air and germs, dust, etc. contained in the air pass through the body of the mask formed by the filter, and the germs, dust, etc. are filtered by the body of the mask.

However, since the air flows into the user's nose and mouth after passing through the body of the mask, or flows out after passing through the body of the mask, the user's breathing is not smooth. Recently, a mask having a motor, a fan, and a filter has been developed to solve the above-mentioned problems.

In Prior Document 1, Republic of Korea Utility Model Registration No. 20-0422942, a "dust mask" is disclosed. The mask according to Prior Document 1 further includes a filter for filtering foreign substances and a fan and a motor for forcibly flowing air passing through the filter.

Japanese Patent Application Laid-Open No. 2016-087376, which is Prior Document 2, discloses a “sports mask”. In the mask according to Prior Document 2, a fan for forcibly flowing the filtered air from the front of the user's nose and mouth is provided inside the mask, and a hinge is further provided in the center of the mask to fold the mask.

An object of the present invention is to provide a mask device that can be changed in size for easy storage.

An object of the present invention is to provide a mask device capable of preventing components of the mask device from being lost during separation.

SUMMARY OF THE INVENTION An object of the present invention is to provide a mask apparatus that facilitates maintenance work for the components of the mask apparatus.

An object of the present invention is to provide a mask device capable of preventing contamination of one surface of the mask device where the user's nose and mouth are located by foreign substances in the external space.

An object of the present invention is to provide a mask device capable of supplying a large amount of filtered air to a user.

A mask device according to an embodiment of the present invention includes a frame that covers a user's mouth and nose, a cover coupled to the front side of the frame, coupled to a rear surface of the frame, and closely attached to the user's face to form a contact between the frame and the user. a mask body including a packing defining a breathing space between the face and a flow path formed between the frame and the cover; a pair of locking parts detachably coupled to both side ends of the mask body, respectively, to keep the mask body in close contact with the user's face; a pair of air cleaners detachably coupled to each of the pair of locking parts, a fan module for filtering and supplying external air to the flow path, and a pair of air cleaners in which the filter module is accommodated; and connecting each of the pair of locking parts to both side ends of the mask body, so that the locking part maintains a state connected to the mask body even when the contact between the locking part and the mask body is released. Including a part, wherein the separation preventing part, one end is inserted into the side end of the mask body, the other end is fixed to one end of the separation prevention string and the escape prevention string that is inserted into the air cleaner through the hooking part It may include a first separation prevention protrusion and a second separation prevention projection fixed to the other end of the separation prevention string.

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According to the present invention, it is possible to prevent the plurality of air cleaners and the plurality of locking parts from being separated from the mask body and lost through the separation preventing part connecting the plurality of air cleaners and the plurality of locking parts to the mask body.

According to the present invention, the components of the mask device are configured to be separable from each other, so that maintenance of the mask device can be facilitated.

In the present invention, the size of the mask device can be minimized by rotating the plurality of air cleaners and the plurality of locking parts with respect to the mask body when the mask device is stored.

According to the present invention, the plurality of air cleaners and the plurality of locking portions are folded in a direction toward one surface of the mask body, thereby shielding one surface of the mask device to prevent foreign substances from entering.

According to the present invention, air filtered by a plurality of air cleaners can be supplied to the mask body without leakage.

The present invention can prevent external air from flowing into the inside of the mask body in close contact with the user's face.

The present invention prevents the contaminants from being attached to one surface of the mask body where the user's nose and mouth are located, so that the mask device can be maintained in a clean state.

According to the present invention, the plurality of air cleaners and the plurality of locking parts are coupled by a separable coupling structure to facilitate coupling and separation.

The present invention can supply a large amount of filtered air to the user by continuously supplying filtered air, and improve the health of the user.

According to the present invention, by folding the plurality of locking parts and the plurality of air cleaners with respect to the mask body, it is possible to minimize damage to the mask device by an external impact.

According to the present invention, it is possible to prevent the plurality of air cleaners from being separated from the mask body and lost by the separation preventing part connecting the mask body and the plurality of air cleaners.

1 is a left side perspective view of a mask device according to a first embodiment of the present invention;
Figure 2 is a right side perspective view of the mask device according to the first embodiment of the present invention.
3 is a rear perspective view of the mask device according to the first embodiment of the present invention;
4 is an exploded view of a mask device according to a first embodiment of the present invention;
5 is an exploded view of the mask body according to the first embodiment of the present invention.
6 is a view showing a packing according to a first embodiment of the present invention.
7 is an exploded view of a first air cleaner according to a first embodiment of the present invention;
8 is an exploded view of a second air cleaner according to the first embodiment of the present invention;
9 is a view showing a first air cleaner fixed to a first fixing part according to a first embodiment of the present invention.
10 is a view showing a second air cleaner fixed to a second fixing part according to the first embodiment of the present invention.
11 is a view showing a state in which the mask device according to the first embodiment of the present invention is folded.
12 is a cross-sectional view showing a state in which the mask body and the air cleaner according to the first embodiment of the present invention are combined.
13 is a cross-sectional view illustrating a state in which the mask body and the air cleaner are separated according to the first embodiment of the present invention;
14 is a view showing a state in which the mask device according to the first embodiment of the present invention is folded.
15 is a view showing a first locking part according to the first embodiment of the present invention.
16 is a view showing a second locking portion according to the first embodiment of the present invention.
17 and 18 are views showing an air flow flowing by the mask device according to the first embodiment of the present invention.
19 is a view showing a locking part of the mask device according to the second embodiment of the present invention.
20 is a view showing a mask device according to a third embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. In adding reference numerals to the components of each drawing, it should be noted that the same components are given the same reference numerals as much as possible even though they are indicated on different drawings. In addition, in describing the embodiment of the present invention, if it is determined that a detailed description of a related known configuration or function interferes with the understanding of the embodiment of the present invention, the detailed description thereof will be omitted.

In addition, in describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only for distinguishing the components from other components, and the essence, order, or order of the components are not limited by the terms. When it is described that a component is “connected”, “coupled” or “connected” to another component, the component may be directly connected or connected to the other component, but another component is between each component. It will be understood that may also be "connected", "coupled" or "connected".

1 is a left side perspective view of a mask device according to a first embodiment of the present invention, FIG. 2 is a right side perspective view of a mask device according to a first embodiment of the present invention, and FIG. 3 is a first embodiment of the present invention. FIG. 4 is an exploded view of the mask device according to the first embodiment of the present invention.

1 to 4 , the mask device 1 according to the first embodiment of the present invention may include a mask body 10 . The mask body 10 may be in close contact with the user's face. When the mask body 10 is in close contact with the user's face, it may cover or wrap the user's mouth and nose.

The mask body 10 may include a frame 11 and a front cover 12 . The frame 11 and the front cover 12 may be detachably coupled to each other. The frame 11 is positioned in front of the user's nose and mouth, and may define a breathing space for accommodating filtered air between the frame 11 and the user's nose and mouth. The front cover 12 is positioned in a direction toward the outer space, and may form an exterior of the mask body 10 . A flow path through which air to be supplied to the breathing space passes may be formed between the front cover 12 and the frame 11 . The air passing through the flow path formed between the front cover 12 and the frame 11 may be introduced into the breathing space. In this embodiment, the frame 11 may be referred to as a rear cover corresponding to the front cover 12 . In addition, when the front cover 12 is referred to as one side cover, first cover, front side, one side, etc., the frame 11 may be referred to as the other side cover, second cover, back side, other side, and the like.

The frame 11 may include an inlet 111 and an outlet 112 . The inlet 111 may be defined as an opening through which air filtered (or filtered) from the first air cleaner 20 and the second air cleaner 40 is supplied in a direction toward the user's nose and mouth. The outlet 112 may be defined as an opening for discharging the air discharged from the user's nose and mouth to the external space. The inlet 111 may be located in front of the user's nose. The outlet 112 may be located in front of the user's mouth. The inlet 111 may be formed as an opening larger than the outlet 112 to facilitate the inflow of filtered air. When the inlet 111 is located in front of the user's nose, filtered air can be quickly supplied to the user's nose. When the outlet 112 is located in front of the user's mouth, the air discharged from the user's mouth and the air discharged from the user's nose may be quickly introduced into the outlet 112 . The air flowing from the mask body 10 toward the inlet 111 and the air discharged from the outlet 112 to the external space may flow in a vertically separated state. Further description of the mask body 10 will be further described in the paragraph describing FIG. 5 .

The mask body 10 may include a first fixing part 13 and a second fixing part 14 . The first fixing part 13 and the second fixing part 14 may allow the first air cleaner 20 and the second air cleaner 40 to be fixed to the mask body 10 . In this embodiment, the first fixing part 13 may be disposed on one side of the mask body 10 , and the second fixing part 14 may be disposed on the other side of the mask body 10 . One side of the mask body 10 may be defined as a left end of the mask device 1 . The other side of the mask body 10 may be defined as a right end of the mask device 1 .

The first fixing part 13 and the second fixing part 14 may be fixed between the front cover 12 and the frame 11 . When the front cover 12 and the frame 11 are coupled, the first fixing part 13 and the second fixing part 14 are inserted into the left and right ends of the mask body 10 . space can be formed. The first fixing part 13 may be inserted and fixed in an insertion space formed at the left end of the mask body 10 . The second fixing part 14 may be inserted and fixed in an insertion space formed at the right end of the mask body 10 . An insertion space formed between the frame 11 and the front cover 12 may be defined as a fixing part seating groove 129 (refer to FIG. 5 ). Additional descriptions of the first fixing part 13 and the second fixing part 14 will be further described in the paragraphs describing FIGS. 9 and 10 .

The mask body 10 may include a packing 15 . The packing 15 may be coupled to the frame 11 . The packing 15 may be positioned between the frame 11 and the user's face when the mask body 10 is in close contact with the user's face. The packing 15 may be provided with a material that is deformed into a shape corresponding to the user's face when in contact with the user's face. The packing 15 may be detachably mounted to the frame 11 . For example, the packing 15 may be mounted on the frame 11 or attached to one side of the frame 11 . The packing 15 may prevent a gap from being generated between the frame 11 and the user's face. Further description of the packing 15 is further described in the paragraph describing FIG. 6 .

The mask device 1 may include a first air cleaner 20 and a second air cleaner 40 . The first air cleaner 20 and the second air cleaner 40 may be located on both sides of the mask body 10 , respectively. In this embodiment, the first air cleaner 20 may be located at the left end of the mask body 10 , and the second air cleaner 40 may be located at the right end of the mask body 10 .

The first air cleaner 20 and the second air cleaner 40 may be detachably mounted to the first fixing part 13 and the second fixing part 14 . The first air cleaner 20 and the second air cleaner 40 may be movably connected to the first fixing part 13 and the second fixing part 14 . The first air cleaner 20 and the second air cleaner 40 may move from both sides of the mask body 10 in a direction toward the frame 11 . For example, the first air cleaner 20 may be folded with respect to the first fixing part 13 , and the second air cleaner 40 may be folded with respect to the second fixing part 14 . It can be folded. In this embodiment, it is described that the first air cleaner 20 and the second air cleaner 40 are folded with respect to the first fixing part 13 and the second fixing part 14, but it is rotated. can be understood as

When the first air cleaner 20 and the second air cleaner 40 are folded, the storage of the mask device 1 may be facilitated. When the first air cleaner 20 and the second air cleaner 40 are folded from both ends of the mask body 10 toward the frame 11, the suction space of the frame 11 is shielded. can be When the suction space of the frame 11 is shielded by the first air cleaner 20 and the second air cleaner 40, foreign substances in the external space are attached to one surface of the frame 11 defining the suction space. can be minimized.

The first air cleaner 20 and the second air cleaner 40 may suck in air from the external space and filter the sucked air. The filtered air may be supplied to the user's nose and mouth through the inside of the mask body 10 and the inlet 111 . Since the air filtered by each of the first air cleaner 20 and the second air cleaner 40 is supplied to the user's nose and mouth, the flow rate of the filtered air is increased, and a large amount of filtered air is supplied to the user. This can make breathing easier.

The first air cleaner 20 includes a first cleaner body 21 and a first cleaner cover 22, and the second air cleaner 40 includes a second cleaner body 41 and a second cleaner cover ( 42) may be included. The first and second cleaner bodies 21 and 41 and the first and second cleaner covers 22 and 42 may be detachably coupled to each other. When the first and second cleaner covers 22 and 42 are separated from the first and second cleaner bodies 21 and 41, they are stored inside the first and second cleaner bodies 21 and 41. may be exposed to the outside.

The first and second cleaner bodies 21 and 41 may have spaces in which a plurality of components are accommodated. The inner spaces of the first and second cleaner bodies 21 and 41 may be shielded by the first and second cleaner covers 22 and 42 . First and second fan modules 24 and 44 and first and second filter modules 25 and 45 may be positioned inside the first and second cleaner bodies 21 and 41 . The first and second fan modules 24 and 44 may generate a suction force for sucking in external air. The first and second filter modules 25 and 45 may filter foreign substances from the sucked air. The first and second filter modules 25 and 45 may be located upstream of the first and second fan modules 24 and 44 based on the air flow direction. The first and second filter modules 25 and 45 may be located downstream of the first and second fan modules 24 and 44 based on the air flow direction.

A battery 26 may be positioned inside the first cleaner body 21 . A space in which the first fan module 24 and the first filter module 25 are disposed and a space in which the battery 26 is disposed may be formed in the first cleaner body 21 to be separated. If the space in which the first fan module 24 and the first filter module 25 are disposed and the space in which the battery 26 is disposed are divided, mixing of air in different spaces may be restricted. The battery 26 may supply power for operating at least one of the first air cleaner 20 and the second air cleaner 40 . The battery 26 may be connected to at least one of the first air cleaner 20 and the second air cleaner 40 by an electric wire 19 (refer to FIG. 14 ).

A circuit board 46 may be positioned inside the second cleaner body 41 . A space in which the second fan module 44 and the second filter module 45 are disposed and a space in which the circuit board 46 is disposed may be formed in the second cleaner body 41 to be separated. . By dividing the space where the second fan module 44 and the second filter module 45 are disposed and the space where the circuit board 46 is disposed, it is possible to limit the mixing of air in different spaces. The circuit board 46 may control the operation of at least one of the first air cleaner 20 and the second air cleaner 40 . The circuit board 46 may be connected to at least one of the first air cleaner 20 and the second air cleaner 40 by an electric wire 19 . Meanwhile, the circuit board 46 may be provided in plurality. The plurality of circuit boards 46 may include a first circuit board for controlling the first air cleaner 20 and a second circuit board for controlling the second air cleaner 40 .

On the other hand, when the battery 26 is disposed in any one of the first air cleaner 20 and the second air cleaner 40, the other one has the first air cleaner 20 and the second air cleaner ( A circuit board 46 for operating 40 may be located. In other words, by disposing the battery 26 and the circuit board 46 corresponding to the load of the battery 26 in different air cleaners, the weight balance of the mask device 10 can be adjusted.

The first and second cleaner covers 22 and 42 may include first and second suction ports 221 and 421 . The first and second suction ports 221 and 421 may be formed of a plurality of openings. A portion of the first and second suction ports 221 and 421 communicates with an external space and a space in which the first and second fan modules 24 and 44 and the first and second filter modules 25 and 45 are disposed. can be understood as an opening. The remaining portions of the first and second suction ports 221 and 421 may be understood as openings communicating an external space and a space in which the battery 26 and the circuit board 46 are disposed. The air passing through a part of the first and second suction ports 221 and 421 is supplied to the user's nose and mouth, and the air passing through the remaining part of the first and second suction ports 221 and 421 is the battery 26 and The circuit board 46 may be cooled.

The first and second cleaner covers 22 and 42 may include first and second switches 222 and 422 . The first and second switches 222 and 422 may be understood as operation switches for operating the first and second air cleaners 20 and 40 . For example, the first switch 222 may operate the first air cleaner 20 , and the second switch 422 may operate the second air cleaner 40 . Alternatively, the first switch 222 operates the first and second air cleaners 20 and 40 together, and the second switch 422 operates the first and second air cleaners 20 and 40 together. may stop working. The output and operation of the first and second fan modules 24 and 44 may be adjusted according to changes in the pressurization time, pressurization frequency, etc. of the first and second switches 222 and 422 . Additional descriptions of the first air cleaner 20 and the second air cleaner 40 will be further described in the paragraphs describing FIGS. 7 and 8 .

The mask device 1 may include a first separation prevention part 28 and a second separation prevention part 48 . The first separation preventing part 28 may connect the first fixing part 13 and the first cleaner body 21 . The second separation preventing part 48 may connect the second fixing part 14 and the second cleaner body 41 . The first separation prevention portion 28 and the second separation prevention portion 48 may be formed to have a predetermined length. The first separation preventing part 28 may prevent the first cleaner body 21 from being separated from the first fixing part 13 by more than a specific distance. The second separation preventing part 48 may prevent the second cleaner body 41 from being separated from the second fixing part 14 by a specific distance or more. For example, a plurality of the first separation preventing parts 28 may be provided to be spaced apart from each other between the first fixing part 13 and the first cleaner body 21 . A plurality of the second separation preventing parts 48 may be provided between the second fixing part 14 and the second cleaner body 41 to be spaced apart from each other. One end of the first and second separation preventing parts 28 and 48 is fixed to the first and second fixing parts 13 and 14, and the first and second separation preventing parts 28 and 48 are fixed to each other. The other end may be fixed to the first and second cleaner bodies 21 and 41 . The first and second cleaner bodies 21 and 41 may move with respect to the first and second fixing parts 13 and 14 by the first and second separation preventing parts 28 and 48 .

The first separation preventing part 28 may be separated from at least one of the first fixing part 13 and the first cleaner body 21 . The second separation preventing part 48 may be separated from at least one of the second fixing part 14 and the second cleaner body 41 . When the first and second separation preventing parts 28 and 48 are separated from at least one of the first and second fixing parts 13 and 14 and the first and second cleaner bodies 21 and 41, the The first and second air cleaners 20 and 40 may be separated from the mask body 10 . When the first and second air cleaners 20 and 40 are separated from the mask body 10, the first and second locking parts 30 and 50 are attached to the first and second air cleaners 20 and 40. can be installed or removed. The first and second air cleaners 20 and 40 to which the first and second locking parts 30 and 50 are mounted are connected to the mask body 10 by the first and second separation preventing parts 28 and 48. ) can be connected to Additional descriptions of the first separation prevention unit 28 and the second separation prevention unit 48 will be further described in the paragraphs describing FIGS. 9 and 10 .

The mask device 1 may include a first locking part 30 and a second locking part 50 . The first locking part 30 and the second locking part 50 may be detachably mounted to the first air cleaner 20 and the second air cleaner 40 . The first locking part 30 may be mounted on the first air cleaner 20 , and the second locking part 50 may be mounted on the second air cleaner 40 . The first air cleaner 20 may be mounted on one side of the first locking part 30 , and the second air cleaner 40 may be mounted on one side of the second locking part 50 . The first locking part 30 may be configured such that the first air cleaner 20 is mounted therein. The second locking part 50 may be configured such that the second air cleaner 40 is mounted therein. The first hooking part 30 may be hooked and fixed to the user's left ear, and the second hooking part 50 may be hooked and fixed to the user's right ear. The mask body 10 may be fixed to the user's face by the first locking part 30 and the second locking part 50 .

The first hooking part 30 may include a first hooking body 31 forming a body. The second hooking part 50 may include a second hooking body 51 forming a body. The first hook body 31 may be formed to be hooked and fixed to the user's ear. For example, the first and second hook bodies 31 and 51 may be provided in a string or ring shape to be hooked and fixed to the user's ear. At this time, one side of the first and second hanging bodies 31 and 51 is fixed to the first and second air cleaners 20 and 40, and the other side of the first and second hanging bodies 31 and 51 is fixed to the other side of the first and second hanging bodies 31 and 51 . The side may be secured to the user's ear. One side of the first and second hanging bodies 31 and 51 is defined as a position at which the first and second cleaner bodies 21 and 41 are fixed, and the first and second hanging bodies 31 and 51 are fixed. The other side of the can be defined as a position where the user's ear is hooked and fixed. Between the first and second air cleaners 20 and 40 and the user's ear, the first and second hanging bodies 31 and 51 are stretched or contracted in the longitudinal direction so that the mask body 10 can fit the user's ears. You can make it stick to your face.

A part of the first air cleaner 20 may be latched and fixed to the first hanger body 31 , and a part of the second air cleaner 40 may be latched to the second hanger body 51 . The first and second hanging bodies 31 and 51 and the first and second air cleaners 20 and 40 may be detachably coupled. The first hook body 31 may include a first handle 314 and a first contact portion 32 . The second hook body 51 may include a second handle 514 and a second contact portion 52 . The first and second handles 314,514 may be understood as portions held by the user when the first and second hook bodies 31 and 51 are mounted on the user's ear. The first and second handles 314,514 may be formed to protrude from the other side of the first and second hook bodies 31 and 51 . The first and second contact portions 32 and 52 may be understood as portions that come into contact with the user's ear when the first and second hook bodies 31 and 51 are mounted on the user's ear. The first and second contact portions 32 and 52 may be located on inner surfaces of the first and second hook bodies 31 and 51 . A load of the mask device 1 applied to the user's ear may be distributed by the first and second contact portions 32 and 52 . Additional descriptions of the first locking part 30 and the second locking part 50 will be further described in the paragraphs describing FIGS. 15 and 16 .

Hereinafter, the detailed structure of the said mask apparatus 1 is demonstrated based on drawing.

5 is an exploded view of the mask body according to the first embodiment of the present invention.

Referring to FIG. 5 , in the mask body 10 according to the present invention, the frame 11 and the front cover 12 may be combined to form a body. The frame 11 and the front cover 12 may be detachably coupled to each other.

Flow paths 124a, 124b, and 124c through which air passes may be formed between the frame 11 and the front cover 12 . The flow path may include a flow path for supplying filtered air to the user and a flow path for discharging air to the outside. A partition for forming a flow path may be included between the frame 11 and the front cover 12 . The partition part may be provided in at least one of the frame 11 and the front cover 12 . When the front cover 12 is coupled to the frame 11 , the partition may define a flow path between the front cover 12 and the frame 11 .

The partition unit may include a first partition plate 121 and a second partition plate 122 . The first partition plate 121 and the second partition plate 122 may be the other one of the front cover 12 and the frame 11 in at least one of the front cover 12 and the frame 11 . can protrude toward For example, the first partition plate 121 and the second partition plate 122 may protrude from one surface of the front cover 12 facing the frame 11 in a direction toward the frame 11 . there is. The first partition plate 121 and the second partition plate 122 may contact the frame 11 when the frame 11 and the front cover 12 are coupled. The first partition plate 121 and the second partition plate 122 may be spaced apart from each other at regular intervals. A distance between the first partition plate 121 and the second partition plate 122 may define a flow cross-sectional area of the flow passages 124a and 124b. The distance between the first partition plate 121 and the second partition plate 122 may be adjusted in consideration of the flow rate of air passing through the flow passages 124a and 124b. When the flow cross-sectional area of the flow passages 124a and 124b is maintained constant, a decrease in the flow velocity of air passing through the flow passages 124a and 124b can be prevented.

The second partition plate 122 may partition a space between the front cover 12 and the frame 11 into an upper space and a lower space. A flow path for supplying air to a user may be located in the upper space. A flow path for discharging air discharged to the outside may be located in the lower space.

In this embodiment, the first partition plate 121 may be located above the second partition plate 122 . A first flow path 124a and a second flow path 124b for supplying filtered air to a user may be formed between the first partition plate 121 and the second partition plate 122 . The first flow path 124a and the second flow path 124b may be defined as flow paths through which air flowing toward the inlet 111 passes.

The first partition plate 121 may divide an upper space into a space in which the first flow passage 124a and the second flow passage 124b are formed and a space in which the flow passage is not formed. A plurality of parts may be positioned in a space where the flow path is not formed. For example, the plurality of parts may include a fragrance module for supplying fragrance, an ionizer for sterilization of air, and the like.

For example, the fragrance module may be provided on any one of the front cover 12 and the frame 11 . The fragrance module may provide a fragrance to the air introduced into the user's nose and mouth through at least one of the first passage (124a) and the second passage (124b). A porous part may be formed in the first partition plate 121 so that the fragrance of the fragrance module is supplied to at least one of the first flow path 124a and the second flow path 124b. In addition, the porous portion may be formed in at least one of the first inlet guide 123a and the second inlet guide 123b. The fragrance module may be configured to be replaceable when the front cover 12 and the frame 11 are separated.

A third flow path 124c may be formed in the lower space. The third flow path 124c may be defined as a flow path through which the air discharged through the outlet 112 passes. That is, the second partition plate 122 may partition the first passage 124a, the second passage 124b, and the third passage 124c.

The first partition plate 121 and the second partition plate 122 may function as support ribs for supporting the frame 11 and the front cover 12 . The first partition plate 121 and the second partition plate 122 may function as a reinforcing rib for reinforcing the strength of at least one of the front cover 12 and the frame 11 .

Meanwhile, in the present embodiment, the second partition plate 122 is an essential component for partitioning the upper space and the lower space, and the second partition plate 122 may be referred to as a “upper and lower partition plate”. The first partition plate 121 defines a part of the first flow passage 124a and the second flow passage 124b and serves to reinforce strength, so it may be referred to as a “reinforced partition plate”. For example, the first partition plate 121 may not be provided because it is a configuration for partitioning the upper space. If the first partition plate 121 is not provided, the flow rate of air that can pass through the upper space may be increased.

A first inflow guide 123a and a second inflow guide 123b may be provided between the first partition plate 121 and the second partition plate 122 . The first inflow guide 123a and the second inflow guide 123b may connect the first partition plate 121 and the second partition plate 122 to each other. The first inlet guide 123a and the second inlet guide 123b are formed from one of the first partition plate 121 and the second partition plate 122 to the first partition plate 121 and the second partition plate 122 . It may extend toward the other one of the two partition plates 122 . An extended length of the first inflow guide 123a and the second inflow guide 123b may correspond to a separation distance between the first partition plate 121 and the second partition plate 122 . The first inflow guide 123a and the second inflow guide 123b extend in a direction toward the front cover 12 and the frame 11, and are attached to the front cover 12 and the frame 11. can be contacted.

The first inflow guide 123a and the second inflow guide 123b form a space between the first partition plate 121 and the second partition plate 122 in the first flow passage 124a and the second flow passage. (124b). The first inflow guide 123a and the second inflow guide 123b may be positioned to be spaced apart from each other in both directions. For example, the first inflow guide 123a may be located on the left side of the user's nose. The second inflow guide 123b may be located in the right direction of the user's nose. The user's nose may be positioned between the first inflow guide 123a and the second inflow guide 123b.

The first inlet guide 123a may guide the flow direction so that the air supplied from the first air cleaner 20 flows to the first inlet 111a among the plurality of inlets 111 . The second inlet guide 123b may guide the flow direction so that the air supplied from the second air cleaner 40 flows to the second inlet 111b among the plurality of inlets 111 . The first inlet guide 123a and the second inlet guide 123b may be inclined so that air flows in a direction toward the plurality of inlets 111 . For example, the first inflow guide 123a and the second inflow guide 123b may be inclined in a direction from the front cover 12 toward the frame 11 . When the front cover 12 and the frame 11 are coupled, the first inflow guide 123a and the second inflow guide 123b connect the first flow path 124a and the second flow path 124b. can be partitioned. In this embodiment, the first inlet 111a may be located on the left side of the user's nose, and the second inlet 111b may be located on the right side of the user's nose.

Air passing through the plurality of outlets 112 may be introduced into the third flow path 124c. The plurality of outlets 112 may include a plurality of first outlets 112a disposed on the left side with respect to the center of the mask body 10 and a plurality of second outlets 112b disposed on the right side. The plurality of first outlets 112a may be spaced apart from the user's nose in a direction toward the user's mouth. The plurality of second outlets 112b may be spaced apart from the user's nose in a direction toward the user's mouth. Air discharged from the user's nose and mouth may be introduced into the third flow path 124c after passing through the plurality of outlets 112 .

The mask body 10 may be provided with a discharge port 128 for discharging the air introduced into the third flow path 124c to an external space. The discharge port 128 may be provided in plurality. The discharge port 128 may include a first discharge port 128a disposed on the left side with respect to the center of the mask body 10 and a second discharge port 128b disposed on the right side. The air discharged from the plurality of first outlets 112a may be relatively further introduced into the first outlets 128a. The air discharged from the plurality of second outlets 112b may be relatively further introduced into the second outlets 128b. The discharge port 128 may be formed in any one of the front cover 12 and the frame 11 . In this embodiment, the discharge port 128 will be described as being formed in the front cover (12). The discharge port 128 may be formed under the front cover 12 . When the discharge port 128 is formed under the front cover 12 , mixing of the air discharged from the mask device 1 with the air sucked into the mask device 1 can be minimized. In addition, the flow noise of the air discharged from the outlet 128 may be restricted from being transmitted to the user's ear. An arrangement position of the discharge port 128 may be variously changed.

A check valve 118 may be provided at any one of the discharge port 128 and the outlet port 112 . The check valve 118 may prevent external air from flowing back into the mask device 1 . The check valve 118 may prevent unfiltered external air from flowing into the user's nose and mouth through any one of the outlet 128 and the outlet 112 . The check valve 118 may be closed when the user inhales the filtered air to prevent external air from flowing to any one of the outlet 128 and the outlet 112 . The check valve 118 may be opened when the air sucked by the user is discharged to be discharged to the external space. The check valve 118 may be disposed on one side of at least one of the outlet 128 and the outlet 112 to open and close at least one of the outlet 128 and the outlet 112 .

The front cover 12 may include an upper fastener 126 and a lower fastener 127 . The upper fastener 126 and the lower fastener 127 may be provided in plurality. The upper fastener 126 may be located on the front cover 12 . The plurality of upper fasteners 126 may be positioned to be spaced apart from each other in both directions of the front cover 12 . The lower fastener 127 may be located under the front cover 12 . The plurality of lower fasteners 127 may be positioned to be spaced apart from each other in both directions of the front cover 12 . The upper and lower portions of the front cover 12 may further include supporting ribs in which the upper fastener 126 and the lower fastener 127 are positioned. The support rib may be formed to protrude from upper and lower portions of the front cover 12 . The upper fastener 126 may be positioned to face the upper fastener 113 . The lower fastener 127 may be positioned to face the lower fastener 114 .

The frame 11 may include an upper fixture 113 and a lower fixture 114 . The lower fixture 114 and the lower fixture 114 may be provided in plurality. The upper fixture 113 may be positioned above the frame 11 . The plurality of upper fixtures 113 may be positioned to be spaced apart from each other in both directions. The lower fixture 114 may be located under the frame 11 . The plurality of lower fixtures 114 may be positioned to be spaced apart from each other in both directions. The upper fastener 113 may be disposed at a position corresponding to the upper fastener 126 , and the lower fastener 114 may be located at a position corresponding to the upper fastener 126 . The upper fastener 126 and the lower fastener 127 may be located on the frame 11 , and the upper fastener 113 and the lower fastener 114 may be located on the front cover 12 . .

In this embodiment, the upper fastener 113 , the lower fastener 114 , the upper fastener 126 , and the lower fastener 127 may be provided as magnet members. Alternatively, the upper fastener 126 and the lower fastener 127 may be provided as a fastening member, and the upper fastener 113 and the lower fastener 114 may be provided as a fastening groove to which the fastening member is fastened. . When the upper fastener 126 is coupled to the upper fastener 113 , an upper portion of the frame 11 and an upper portion of the front cover 12 may be fixed. When the lower fastener 127 is coupled to the lower fastener 114 , the lower portion of the frame 11 and the lower portion of the front cover 12 may be fixed.

The mask body 10 may include a first fixing part seating groove 129a and a second fixing part seating groove 129b. The first fixing part 13 may be fixed to the first fixing part seating groove 129a, and the second fixing part 14 may be fixed to the second fixing part seating groove 129b. The first fixing part seating groove 129a and the second fixing part seating groove 129b may be positioned between the front cover 12 and the frame 11 . A portion of the first fixing part seating groove 129a and the second fixing part seating groove 129b is defined by the front cover 12, and the first fixing part seating groove 129a and the second high The remaining part of the government seating groove 129b may be defined by the frame 11 . The first fixing part seating groove 129a and the second fixing part seating groove 129b may be respectively located on both sides of the mask body 10 .

When the front cover 12 and the frame 11 are coupled, the first fixing part 13 and the second fixing part 14 are disposed between the both ends of the front cover 12 and the frame 11 . can be fixed to The first fixing part seating groove 129a may be located at the left end of the mask body 10 . The second fixing part seating groove 129b may be located at the right end of the mask body 10 . Fixing means for fixing the first fixing part 13 and the second fixing part 14 may be provided in the first fixing part seating groove 129a and the second fixing part seating groove 129b. .

For example, the fixing means for fixing the first fixing part 13 and the second fixing part 14 may include a plurality of fixing protrusions 119 . The plurality of fixing protrusions 119 may be formed on at least one of the front cover 12 and the frame 11 . In this embodiment, the plurality of fixing protrusions 119 may be provided on the frame 11 . The plurality of fixing protrusions 119 may be respectively located at both ends of the frame 11 . The plurality of fixing protrusions 119 may be spaced apart from each other. A fixing protrusion insertion hole into which the fixing protrusion 119 can be inserted may be formed in the first fixing part 13 and the second fixing part 14 . The fixing protrusion 119 is inserted into the fixing projection insertion hole so that the first fixing part 13 and the second fixing part 14 are seated in the first fixing part seating groove 129a and the second fixing part seating groove 129a. It may be firmly fixed to the groove (129b).

6 is a view showing packing according to the first embodiment of the present invention.

Referring to FIG. 6 , the mask body 10 according to the present invention may include a packing 15 . The packing 15 may be detachably coupled to the mask body 10 . For example, the packing 15 may be detachably coupled to the frame 11 . The packing 15 may be positioned between the user's face and the mask body 10 . The packing 15 may distribute the pressure applied to the user's face when the mask body 10 is in close contact with the user's face. The packing 15 may seal a gap formed between the user's face and the mask body 10 when the mask body 10 is in close contact with the user's face. In this embodiment, the packing 15 will be described as being formed of any one of the first packing 15a and the second packing 15b. Figure 6 (a) is an embodiment of the first packing (15a), Figure 6 (b) is an embodiment of the second packing (15b).

Referring to FIG. 6A , the first packing 15a may include a packing body 151 forming a body. The packing body 151 may be mounted on a corner or an outer circumferential surface of the frame 11 . The packing body 151 may be formed to correspond to a corner or an outer circumferential surface of the frame 11 . The first packing 15a is provided with a material that can be easily deformed and can be deformed when closely attached to the user's face. For example, the first packing 15a may be made of silicone, rubber, or the like. The packing body 151 may be formed to have a hollow inside. For example, the packing body 151 may be formed in a ring or ring shape having a hollow inside. The frame 11 may be positioned on a hollow formed inside the packing body 151 . The packing body 151 may be formed to have a constant first thickness t1. In this case, the first thickness t1 may be formed to be greater than the thickness of the frame 11 . The thickness of the packing body 151 having the first thickness t1 may be deformed between the user's face and the frame 11 .

The packing body 151 may include a frame insertion hole 152 . The frame insertion hole 152 may be understood as a portion into which an edge or an outer circumferential surface of the frame 11 is inserted and fixed. The frame insertion hole 152 may be formed by recessing an inner portion of the packing body 151 . For example, the frame insertion hole 152 may be depressed in a direction from the inner surface of the packing body 151 toward the outer surface of the packing body 151 .

When the mask body 10 is in close contact with the user's face, the packing body 151 may be in contact with the user's face first than the frame 11 . In a state in contact with the user's face, the packing body 151 may be deformed to further closely attach the mask body 10 to the user's face, and may block the gap.

Referring to FIG. 6B , the second packing 15b may include a packing body 151 forming a body. The packing body 151 may be formed to have a constant first thickness t1. A portion of the packing body 151 may be formed to have a second thickness t2. The second thickness t2 may be greater than the first thickness t1. A portion of the packing body 151 having the second thickness t2 may be located in front of the user's nose. When a portion of the packing body 151 is formed to have the second thickness t2, a gap that may be generated between the user's nose and the frame 11 can be more closely sealed.

For example, the gap between the user's nose and the frame 11, which cannot be sealed with the packing body 151 having the first thickness t1, is the packing body 151 having the second thickness t2. It may be closed by some. In addition, a portion of the packing body 151 having the second thickness t2 may be seated on the user's nose. When a part of the packing body 151 having the second thickness t2 is seated on the user's nose, a support function for supporting the mask body 10 on the user's nose may be performed. Therefore, a part of the packing body 151 having the second thickness t2 may be referred to as a nose support 16 .

The packing body 151 may include a frame insertion hole 152 . The frame insertion hole 152 may be understood as a portion into which the frame 11 is inserted and fixed.

On the other hand, in this embodiment, the frame 11 is inserted into the frame insertion hole 152 of the packing 15 and is described as being fixed, but the packing 15 is attached to one surface of the frame 11 It is also possible to have a structure in which it is formed or combined. The packing 15 may be detachably coupled to an edge or an outer circumferential surface of the frame 11 to be in close contact with the user's face.

7 is an exploded view of a first air cleaner according to a first embodiment of the present invention, and FIG. 8 is an exploded view of a second air cleaner according to the first embodiment of the present invention.

7 and 8 , the mask apparatus 1 according to the present invention may include a first air cleaner 20 and a second air cleaner 40 . The first air cleaner 20 and the second air cleaner 40 may suck in external air from both sides of the mask body 10 . The air sucked into the first air cleaner 20 and the second air cleaner 40 may be filtered inside the first air cleaner 20 and the second air cleaner 40 . The filtered air may flow into the mask body 10 . The filtered air may be supplied to the user's nose and mouth after passing through the first flow path 124a and the second flow path 124b of the mask body 10 . The first air cleaner 20 and the second air cleaner 40 may operate together. Alternatively, the first air cleaner 20 and the second air cleaner 40 may be operated respectively.

Hereinafter, the first air cleaner 20 and the second air cleaner 40 will be sequentially described.

Referring to FIG. 7 , the first air cleaner 20 may include a first cleaner body 21 forming a body. The first cleaner body 21 is deeply recessed inside, and a plurality of components can be stored inside the recessed inside. A first fan module 24 , a first filter module 25 , and a battery 26 may be stored inside the first cleaner body 21 . In the present embodiment, the first cleaner body 21 may include a bottom surface facing the user's face, a plurality of side surfaces bent from the bottom surface, and an upper surface opened to insert a plurality of components. For example, the first cleaner body 21 may be formed in a container shape in which one surface is opened. The first cleaner body 21 may form a body by a bottom surface, a first side surface 21a, a second side surface 21b, a third side surface 21c, and a fourth side surface 21d. The side surfaces of the first cleaner body 21 are the first side 21a, a fourth side 21d facing the first side 21a, the first side 21a, and the fourth side 21d. ) may be defined as a second side 21b and a third side 21c connecting them. A bottom surface of the first cleaner body 21 may be defined as one surface connecting the first to fourth side surfaces 21a-21d, and an upper surface facing the bottom surface may be defined as an opening.

The first cleaner body 21 may include a first protrusion 210 . The first protrusion 210 may protrude from one surface of the first cleaner body 21 . The first protrusion 210 may be located on a side surface of the first cleaner body 21 . In this embodiment, the first protrusion 210 may be located on the first side 21a. When the first cleaner body 21 is coupled to the first fixing part 13 , the first protrusion 210 limits the insertion position of the first duct 211 inserted into the first fixing part 13 . can perform a stopper function. When the first cleaner body 21 is coupled to the first fixing part 13 , the first protrusion 210 may contact a portion of the first fixing part 13 . The first protrusion 210 is inserted into the first duct through hole 311 of the first locking part 30 , and a part of the first locking part 30 is formed by the first fixing part 13 and the first locking part 30 . It is positioned between the first cleaner bodies (21). For example, the first protrusion 210 may be formed to have a rectangular cross section.

The first cleaner body 21 may include a first duct 211 . The first duct 211 may be formed to further protrude from the first protrusion 210 . The first duct 211 may have a smaller diameter than that of the first protrusion 210 . The first duct 211 may be inserted into the first fixing part 13 of the mask body 10 . The first duct 211 may connect the first cleaner body 21 and the mask body 10 . The first duct 211 may be understood as an air passage for supplying the air filtered by the first air cleaner 20 to the mask body 10 . When the first duct 211 is inserted into the first fixing part 13 , and the first protruding part 210 comes into contact with a part of the first fixing part 13 , the first air cleaner 20 is It may be fixed to the mask body 10 . When the first duct 211 is separated from the first fixing part 13 , the first air cleaner 20 and the mask body 10 may be separated from each other. For example, the first duct 211 may be formed to have a rectangular cross section. When the first duct 211 is formed to have a rectangular cross section, binding between the first fixing part 13 and the first cleaner body 21 may be facilitated.

A first air flow hole 211a may be formed in the first duct 211 and the first protrusion 210 . The first air flow hole 211a may be formed by opening the inside of the first duct 211 and the first protrusion 210 . The first air flow hole 211a may pass through the first duct 211 and the first protrusion 210 . One side of the first air flow hole 211a may communicate with a first air flow space 214 formed inside the first cleaner body 21 . The other side of the first air flow hole 211a may communicate with the first flow path 124a of the mask body 10 . The first cleaner body 21 and the mask body 10 may communicate with each other through the first air flow hole 211a.

The first cleaner body 21 may include a first fixing hook 212 . The first fixing hook 212 may be formed in the first duct 211 . The first fixing hook 212 may be formed by cutting a portion of the first duct 211 . The first fixing hook 212 may be elastically deformed with respect to the first duct 211 when it is attached to or separated from the first fixing part 13 . When the first duct 211 is connected to the first fixing part 13 , the first fixing hook 212 may be caught and fixed to the first fixing part 13 . The first fixing hook 212 caught and fixed to the first fixing part 13 may be released by the first fixing hook releasing part 133 formed in the first fixing part 13 .

The first cleaner body 21 may include a first conduit 213 . The first conduit 213 may protrude from the first cleaner body 21 . The first conduit 213 may protrude from a side surface of the first cleaner body 21 . The first conduit 213 may be located on the first side 21a of the first cleaner body 21 . The first conduit 213 may be located at one side of the first duct 211 . The first conduit 213 may be understood as a passage through which the electric wire 19 passes. In addition, the first conduit 213 may be understood as an opening into which the first separation preventing part 28 is inserted. The first conduit 213 may communicate with the first accommodating space 215 formed in the first cleaner body 21 and the third flow path 124c. The first conduit 213 may be inserted into a part of the first fixing part 13 . For example, the first conduit 213 may be formed to have a circular or square cross section.

The first wire pipe 213 may include a first wire passing hole 213a. The first wire passing hole 213a may be formed by opening the inside of the first wire pipe 213 . One side of the first wire passing hole 213a may communicate with the first accommodating space 215 . The other side of the first wire passage hole 213a may communicate with the third flow passage 124c. A portion of the air passing through the third passage 124c through the first wire passage hole 213a may be introduced into the first accommodating space 215 . When air is introduced into the first accommodating space 215 , a plurality of components stored in the first accommodating space 215 may be cooled.

The first cleaner body 21 may include a first partition rib 216 . The first compartment rib 216 may be provided inside the first cleaner body 21 . The first partition rib 216 may partition the inner space of the first cleaner body 21 into a first air flow space 214 and a first accommodation space 215 . The first compartment rib 216 may be formed to protrude from the inner surface of the first cleaner body 21 . For example, the first compartment rib 216 may be formed to protrude from a bottom surface of the first cleaner body 21 toward an open upper surface. The first fan module 24 and the first filter module 25 are accommodated in the first air flow space 214 , and air can pass therethrough. The first partition rib 216 may define a shape of the first air flow space 214 to accommodate the first fan module 24 and the first filter module 25 . The first fan module 24 and the first filter module 25 may be mounted inside the first air flow space 214 . A battery 26 or a plurality of components including the battery 26 may be located in the first accommodating space 215 .

The first cleaner body 21 may include a first fan module 24 and a first filter module 25 . The first fan module 24 and the first filter module 25 may be located in a first air flow space 214 formed by the first partition rib 216 . The first fan module 24 may generate a suction force for sucking outside air. The first filter module 25 may filter foreign substances from the external air sucked in by the first fan module 24 . The first filter module 25 may be located upstream of the first fan module 24 based on the air flow direction. The filtered air forced to flow by the first fan module 24 may pass through the first air flow hole 211a and flow into the first flow path 124a. The first fan module 24 may include a fan and a motor, and the first filter module 25 may include various filters.

The first cleaner body 21 may include a battery 26 . The battery 26 may be fixed inside the first accommodating space 215 . The battery 26 may be detachably fixed from the first cleaner body 21 . The battery 26 may supply power to at least one of the first air cleaner 20 and the second air cleaner 40 .

The first cleaner body 21 may include a first locking hook 217 . The first engaging hook 217 may be provided in plurality. The first locking hook 217 may allow the first locking part 30 and the first cleaner body 21 to be coupled to each other. The first locking hook 217 may be formed to protrude from a side surface of the first cleaner body 21 . The plurality of first engaging hooks 217 may be located on the second side 21b and the third side 21c of the first cleaner body 21 . A portion of the first locking hook 217 protruding outward may be bent in a direction toward the first protrusion 210 . The first engaging hook 217 may protrude outward from the second side 21b and the third side 21c and then be bent in a direction toward the first side 21a. The first locking part 30 is caught and fixed to the first locking hook 217 by a bent part of the first locking hook 217 , and the first locking part 30 is the first locking hook Separation from (217) can be prevented.

The first cleaner body 21 may include a first opening 219 . The first opening 219 may be understood as an opening through which the first separation prevention strap 281 of the first separation prevention part 28 passes. The first opening 219 may be located on the first side surface 21a. The first opening 219 may be formed in a size corresponding to the first detachment prevention strap 281 . For example, one of the plurality of first openings 219 may be located near the first protrusion 210 , and the other opening may be located near the first conduit 213 . The first conduit 213 and the first protrusion 210 may be positioned between any one opening and the other opening. There is an advantage in that the first air cleaner 20 is easily folded with respect to the mask body 10 by the first separation preventing part 28 provided in the one opening and the other opening. In this embodiment, the first opening 219 located in the first cleaner body 21 may be referred to as the other opening.

The first air cleaner 20 may include a first cleaner cover 22 . The first cleaner cover 22 may cover the first cleaner body 21 . The first cleaner cover 22 may be detachably mounted on the opened upper surface of the first cleaner body 21 by the first cover fixing part 207 and the first cover coupling part. When the first cleaner cover 22 is mounted on the first cleaner body 21 , the first cleaner cover 22 may contact the first compartment rib 216 . When the first cleaner cover 22 is mounted on the first cleaner body 21 , the inner space of the first cleaner body 21 is the first air flow space 214 and the first accommodation space 215 . ) can be partitioned.

The first cleaner cover 22 may include a first suction port 221 . The first suction port 221 may be formed by opening the first cleaner cover 22 . The first suction port 221 may have a plurality of openings or may be formed in a mesh shape. Some of the plurality of first suction ports 221 may communicate with the first air flow space 214 and the external space. Some of the plurality of first suction ports 221 may be located above the first air flow space 214 . The remaining part of the plurality of first suction ports 221 may communicate with the first accommodating space 215 and the external space. The remaining part of the plurality of first suction ports 221 may be located above the first accommodating space 215 . Air passing through some of the plurality of first suction ports 221 may be sucked into the first air flow space 214 . The first accommodating space 215 may be ventilated by the air flowing in or out of the plurality of first suction ports 221 through the remaining part. Large foreign substances included in the outside air may be filtered by the first suction port 221 .

The first cleaner cover 22 may include a first switch 222 . The first switch 222 may be exposed to the outside. The first switch 222 may be understood as an operation switch for operating the first air cleaner 20 . The first switch 222 may serve as a power switch for turning on/off the first air cleaner 20 . In addition, it may be used as an operation switch for controlling the operation of the first air cleaner 20 according to the duration and number of times the first switch 222 is pressed. Although it is described that the first switch 222 is provided as one in this embodiment, it may be provided as a plurality of switches. When a plurality of switches are provided, it may be referred to as a first switch unit, and the first switch unit may include a plurality of switches. When provided to the first switch unit, a first power switch for turning on/off power, and a plurality of operation switches for controlling operation may be included.

The first cleaner cover 22 may include a switch circuit board for driving the first switch 222 . The switch circuit board may be located on an inner surface of the first cleaner cover 22 defining the first accommodation space 215 . When the first cleaner body 21 and the first cleaner cover 22 are combined, the switch circuit board may be stored in the first accommodating space 215 .

Referring to FIG. 8 , the second air cleaner 40 may include a second cleaner body 41 . The second cleaner body 41 may form a body of the second air cleaner 40 . The second cleaner body 41 is deeply recessed inside, and a plurality of components can be stored inside the recessed inside. A second fan module 44 , a second filter module 45 , and a circuit board 46 may be stored inside the second cleaner body 41 . In this embodiment, the second cleaner body 41 may include a bottom surface facing the user's face, and a plurality of side surfaces bent from the bottom surface. The upper surface of the second cleaner body 41 may be opened to insert a plurality of components. For example, the second cleaner body 41 may be formed in a container shape in which one surface is opened. The second cleaner body 41 may form a body by a bottom surface, a first side surface 41a, a second side surface 41b, a third side surface 41c, and a fourth side surface 41d. The side surfaces of the second cleaner body 41 include the first side 41a, a fourth side 41d facing the first side 41a, the first side 41a, and the fourth side 41d. ) may be defined as a second side 41b and a third side 41c connecting them. A bottom surface of the second cleaner body 41 may be defined as one surface connecting the first to fourth side surfaces 41a-41d, and an upper surface facing the bottom surface may be defined as being open.

The second cleaner body 41 may include a second protrusion 410 . The second protrusion 410 may protrude from one surface of the second cleaner body 41 . The second protrusion 410 may be formed on a side surface of the second cleaner body 41 . In this embodiment, the second protrusion 410 may be located on the first side 41a. When the second cleaner body 41 is coupled to the second fixing part 14 , the second protrusion 410 limits the insertion position of the second duct 411 inserted into the second fixing part 14 . can perform a stopper function. When the second cleaner body 41 is coupled to the second fixing part 14 , the second protrusion 410 may contact a portion of the second fixing part 14 . The second protrusion 410 is inserted into the second duct through hole 511 of the second locking part 50 , and a part of the second locking part 50 is formed by the second fixing part 14 and the second locking part 50 . 2 to be located between the cleaner body (41). For example, the first protrusion 210 may be formed to have a rectangular cross section.

The second cleaner body 41 may include a second duct 411 . The second duct 411 may be formed to further protrude from the second protrusion 410 . The second duct 411 may have a smaller diameter than that of the second protrusion 410 . The second duct 411 may be inserted into the second fixing part 14 of the mask body 10 . The second duct 411 may connect the second cleaner body 41 and the mask body 10 . The second duct 411 may be understood as an air passage for supplying the air filtered by the second air cleaner 40 to the mask body 10 . When the second duct 411 is inserted into the second fixing part 14 and the second protruding part 410 comes into contact with a part of the second fixing part 14, the second air cleaner 40 is activated. It may be fixed to the mask body 10 . When the second duct 411 is separated from the second fixing part 14 , the second air cleaner 40 and the mask body 10 may be separated from each other. For example, the second duct 411 may be formed to have a rectangular cross section. When the second duct 411 is formed to have a rectangular cross section, binding between the second fixing part 14 and the second cleaner body 41 may be facilitated.

A second air flow hole 411a may be formed in the second duct 411 and the second protrusion 410 . The second air flow hole 411a may be formed by opening the inside of the second duct 411 and the second protrusion 410 . The second air flow hole 411a may pass through the second duct 411 and the second protrusion 410 . One side of the second air flow hole 411a may communicate with a second air flow space 414 formed inside the second cleaner body 41 . The other side of the second air flow hole 411a may communicate with the second flow path 124b of the mask body 10 . The second cleaner body 41 and the mask body 10 may communicate with each other through the second air flow hole 411a.

The second cleaner body 41 may include a second fixing hook 412 . The second fixing hook 412 may be formed in the second duct 411 . The second fixing hook 412 may be formed by cutting a part of the second duct 411 . The second fixing hook 412 may be elastically deformed with respect to the second duct 411 when it is attached to or separated from the second fixing part 14 . When the second duct 411 is connected to the second fixing part 14 , the second fixing hook 412 may be caught and fixed to the second fixing part 14 . The second fixing hook 412 caught by the second fixing part 14 may be released by the second fixing hook releasing part 143 formed in the second fixing part 14 .

The second cleaner body 41 may include a second conduit 413 . The second conduit 413 may protrude from the second cleaner body 41 . The second conduit 413 may protrude from a side surface of the second cleaner body 41 . The second conduit 413 may be located on the first side 41a of the second cleaner body 41 . The second conduit 413 may be located at one side of the second duct 411 . The second conduit 413 may be understood as a passage through which the electric wire 19 passes. In addition, the second conduit 413 may be understood as an opening into which the second separation preventing part 48 is inserted. The second conduit 413 may communicate with the second accommodating space 415 formed in the second cleaner body 41 and the third flow path 124c. The second conduit 413 may be inserted into a part of the second fixing part 14 . For example, the second conduit 413 may be formed to have a circular or square cross section.

The second wire pipe 413 may include a second wire passing hole 413a. The second wire passage hole 413a may be formed by opening the inside of the second wire tube 413 . One side of the second wire passing hole 413a may communicate with the second accommodating space 415 . The other side of the second wire passage hole 413a may communicate with the third flow passage 124c. A portion of the air passing through the third passage 124c through the second wire passage hole 413a may be introduced into the second accommodating space 415 . When air is introduced into the second accommodating space 415 , a plurality of components stored in the second accommodating space 415 may be cooled.

The second cleaner body 41 may include a second partition rib 416 . The second compartment rib 416 may be provided inside the second cleaner body 41 . The second partition rib 416 may partition the inner space of the second cleaner body 41 into a second air flow space 414 and a second accommodation space 415 . The second compartment rib 416 may be formed to protrude from the inner surface of the second cleaner body 41 . For example, the second compartment rib 416 may be formed to protrude from the bottom surface of the second cleaner body 41 toward the opened upper surface. A second fan module 44 and a second filter module 45 are accommodated in the second air flow space 414 , and air can pass therethrough. The second partition rib 416 may define a shape of the second air flow space 414 to accommodate the second fan module 44 and the second filter module 45 . The second fan module 44 and the second filter module 45 may be mounted inside the second air flow space 414 . A circuit board 46 or a plurality of components including the circuit board 46 may be positioned in the second accommodating space 415 .

The second cleaner body 41 may include a second fan module 44 and a second filter module 45 . The second fan module 44 and the second filter module 45 may be located in a second air flow space 414 formed by the second partition rib 416 . The second fan module 44 may generate a suction force for sucking in external air. The second filter module 45 may filter foreign substances from the external air sucked in by the second fan module 44 . The second filter module 45 may be located upstream of the second fan module 44 based on the air flow direction. The filtered air forcedly flowing by the second fan module 44 may pass through the second air flow hole 411a and flow into the second flow path 124b. The second fan module 44 may include a fan and a motor, and the second filter module 45 may include various filters.

The second cleaner body 41 may include a circuit board 46 . The circuit board 46 may be fixed inside the second accommodation space 415 . The circuit board 46 may control the operation of at least one of the first air cleaner 20 and the second air cleaner 40 . The circuit board 46 may include a control unit, a communication unit, an information storage unit, and the like. When an operation signal is inputted from at least one of the first switch 222 and the second switch 422 , the circuit board 46 is configured among the first air cleaner 20 and the second air cleaner 40 . At least one can be made to work.

The second cleaner body 41 may include a second locking hook 417 . The second engaging hook 417 may be provided in plurality. The second locking hook 417 may allow the second locking part 50 and the second cleaner body 41 to be coupled to each other. The second locking hook 417 may be formed to protrude from the side surface of the second cleaner body 41 . The plurality of second engaging hooks 417 may be located on the second side surface 41b and the third side surface 41c of the second cleaner body 41 . A portion of the second engaging hook 417 protruding outward may be bent in a direction toward the second protrusion 410 . The second locking hook 417 may protrude outward from the second side 41b and the third side 41c and then be bent in a direction toward the first side 41a. The second locking part 50 is caught and fixed to the second locking hook 417 by a bent part of the second locking hook 417 , and the second locking part 50 is the second locking hook Separation from (417) can be prevented.

The second cleaner body 41 may include a second opening 419 . The second opening 419 may be understood as an opening through which the second separation prevention string 481 of the second separation prevention part 48 passes. The second opening 419 may be located on the first side surface 41a. The second opening 419 may be formed to have a size corresponding to the second separation prevention strap 481 . For example, one of the plurality of second openings 419 may be located near the second protrusion 410 , and the other opening may be located near the second conduit 413 . The second conduit 413 and the second protrusion 410 may be positioned between any one opening and the other opening. There is an advantage in that the second air cleaner 40 is easily folded with respect to the mask body 10 by the second separation preventing part 48 provided in the one opening and the other opening. In this embodiment, the second opening 419 located in the second cleaner body 41 may be referred to as the other opening.

The second air cleaner 40 may include a second cleaner cover 42 . The second cleaner cover 42 may cover the second cleaner body 41 . The second cleaner cover 42 may be detachably mounted on the opened upper surface of the second cleaner body 41 by the second cover fixing part 407 and the second cover coupling part. When the second cleaner cover 42 is mounted on the second cleaner body 41 , the second cleaner cover 42 may contact the second compartment rib 416 . When the second cleaner cover 42 is mounted on the second cleaner body 41 , the inner space of the second cleaner body 41 is the second air flow space 414 and the second accommodation space 415 . ) can be delimited.

The second cleaner cover 42 may include a second suction port 421 . The second suction port 421 may be formed by opening the second cleaner cover 42 . The second suction port 421 may be formed of a plurality of openings or may be formed in a mesh shape. Some of the plurality of second suction ports 421 may communicate with the second air flow space 414 and the external space. Some of the plurality of second suction ports 421 may be located above the second air flow space 414 . The remaining part of the plurality of second suction ports 421 may communicate with the second accommodation space 415 and the external space. The remaining part of the plurality of first suction ports 421 may be located above the second accommodating space 415 . Air that has passed through some of the plurality of second suction ports 421 may be sucked into the second air flow space 414 . The second accommodating space 415 may be ventilated by the air introduced or discharged through the remaining part of the plurality of second suction ports 421 . Large foreign substances included in the outside air may be filtered by the second suction port 421 .

The second cleaner cover 42 may include a second switch 422 . The second switch 422 may be exposed to the outside. The second switch 422 may be understood as an operation switch for operating the second air cleaner 40 . The second switch 422 may serve as a power switch for turning on/off the second air cleaner 40 . In addition, it may be used as an operation switch for controlling the operation of the second air cleaner 40 according to the duration and number of times the second switch 422 is pressed. Although it is described that the second switch 422 is provided as one in this embodiment, it may be provided as a plurality of switches. When provided with a plurality of switches, it may be referred to as a second switch unit, and the second switch unit may include a plurality of switches. When provided to the second switch unit, a second power switch for turning on/off power, and a plurality of operation switches for controlling operation may be included.

The second cleaner cover 42 may include a switch circuit board for driving the second switch 422 . The switch circuit board may be located on an inner surface of the second cleaner cover 42 defining the second accommodation space 415 . When the second cleaner body 41 and the second cleaner cover 42 are coupled, the switch circuit board may be stored in the second accommodating space 415 .

9 is a view showing a first air cleaner fixed to a first fixing part according to a first embodiment of the present invention, and FIG. 10 is a second air cleaner fixed to a second fixing part according to the first embodiment of the present invention. It is a drawing showing a cleaner.

The mask body 10 according to the present invention may include a first fixing part 13 and a second fixing part 14 . The first fixing part 13 and the second fixing part 14 may allow the first air cleaner 20 and the second air cleaner 40 to be coupled to the mask body 10 . The first air cleaner 20 may be movably coupled to the first fixing part 13 , and the second air cleaner 40 may be movably coupled to the second fixing part 14 .

Referring to FIG. 9 , the first fixing part 13 may include a first fixing part body 130 forming a body. The first fixing part body 130 may be fixed to the mask body 10 . The first fixing part body 130 may be fixed between the front cover 12 and the frame 11 . The first fixing part body 130 may be inserted and fixed in the first fixing part seating groove 129a of the mask body 10 . When the first fixing part 13 is fixed to the first fixing part seating groove 129a, one side of the first flow path 124a and one side of the third flow path 124c may be shielded.

The first fixing part body 130 may include a first duct insertion hole 131 . The first duct insertion hole 131 may be understood as an opening into which the first duct 211 of the first air cleaner 20 is inserted. When the first duct 211 is inserted into the first duct insertion hole 131 , the first cleaner body 21 may be fixed to the first fixing part body 130 . The first duct insertion hole 131 may be formed in a shape corresponding to the first duct 211 . When the first duct 211 is inserted into the first duct insertion hole 131 , the first flow path 124a of the mask body 10 and the first air flow hole 211a of the first duct 211 are ) can communicate with each other. The first duct insertion hole 131 may be formed by opening a portion of the first fixing part body 130 .

When the first fixing part 13 and the first cleaner body 21 are coupled to each other, one surface of the first fixing part body 130 and the first protrusion 210 of the first cleaner body 21 contact each other. can be When the first protrusion 210 comes into contact with one surface of the first fixing part body 130 , the first duct 211 and the first duct insertion hole 131 may be sealed. The first protrusion 210 may be positioned between the first fixing part 13 and the first cleaner body 21 to form a space in which a portion of the first locking part 30 is disposed.

The first fixing part body 130 may include a first conduit tube insertion hole 132 . The first conduit insertion hole 132 may be understood as an opening into which the first conduit 213 of the first air cleaner 20 is inserted. The first conduit insertion hole 132 may be formed in a shape corresponding to the first conduit 213 . When the first conduit 213 is inserted into the first conduit insertion hole 132 , the third passage 124c of the mask body 10 and the first conduit 213a of the first conduit 213 are ) can communicate with each other. The first conduit insertion hole 132 may be formed by opening a portion of the first fixing part body 130 .

The first fixing part body 130 may include a first fixing hook releasing part 133 . The first fixing hook releasing part 133 may be located at one side of the first fixing part body 130 . For example, the first fixing hook releasing part 133 may be located on one side of the first fixing part body 130 facing the front cover 12 . The first fixing hook release part 133 may pass through a part of the front cover 12 and be exposed to the outside when the front cover 12 and the frame 11 are coupled. When the first fixing hook release part 133 is operated, the first air cleaner 20 fixed to the first fixing part 13 may be separated. The first fixing hook releasing part 133 may release the fixing of the first fixing hook 212 fixed to the first fixing part 13 . For example, the first fixing hook release unit 133 may be provided in a button manner. When the first fixing hook releasing unit 133 is operated, the first fixing hook releasing unit 133 applies an external force to the first fixing hook 212 and is caught and fixed to the first fixing hook 212 . The first fixing hook 212 may be separated from the first fixing part 13 . An opening for exposing the first fixing hook releasing part 133 to the outside may be formed in the front cover 12 .

The first fixing part body 130 may include a third opening 138 . The third opening 138 may be formed by opening a part of the first fixing part body 130 . The third opening 138 may be understood as an opening through which the first separation prevention strap 281 of the first separation prevention part 28 passes. The third opening 138 may be formed to a size such that the first separation prevention strap 281 can be located inside. The third opening 138 may prevent the first separation preventing protrusion 282 from being separated from the first fixing part 13 . The third opening 138 may be formed to have a diameter greater than a diameter of the first separation prevention string 281 and smaller than a diameter of the first separation prevention protrusion 282 . The first separation preventing protrusion 282 may be caught and fixed to one side of the first fixing part 13 after passing through the third opening 138 . In the present embodiment, the third opening 138 located in the first fixing part body 130 may be referred to as an opening on one side.

The mask device 1 may include a first separation preventing part 28 connecting the first fixing part 13 and the first air cleaner 20 . The first separation preventing unit 28 may be provided in plurality.

The first separation prevention part 28 may include a first separation prevention string 281 , a first separation prevention projection part 282 , and a second separation prevention projection part 283 . The first separation preventing protrusion 282 may be referred to as one side separation preventing protrusion, and the third separation preventing protrusion 283 may be referred to as the other side separation preventing protrusion. The first anti-separation strap 281 may extend in the longitudinal direction. The first separation prevention protrusion 282 is provided at one end of the first separation prevention string 281 , and the second separation prevention projection 283 is provided at the other end of the first separation prevention string 281 . can be The first separation prevention protrusion 282 and the second separation prevention projection 283 may be configured to have a larger diameter or a larger size than the first separation prevention string 281 .

The first separation prevention strap 281 may pass through the first opening 219 and the third opening 138 . The first separation preventing protrusion 282 may be located on one side of the first fixing part 13 , and the second separation preventing projection 283 may be located on one side of the first cleaner body 21 . The first separation preventing protrusion 282 may limit separation from the first fixing part 13 . The second separation preventing protrusion 283 may restrict separation from the first cleaner body 21 . At least one of the first separation prevention protrusion 282 and the second separation prevention projection 283 may be disengaged from at least one of the first fixing portion 13 and the first cleaner body 21 .

The first separation preventing part 28 may be located in the first wire pipe insertion hole 132 and the first wire passing hole 213a. In this case, the first separation prevention projection 282 and the second separation prevention projection 283 may be formed to a size that can be caught in the first conduit insertion hole 132 and the first wire passage hole 213a. can The first separation prevention protrusion 282 and the second separation prevention projection 283 are caught in the first conduit insertion hole 132 and the first wire passage hole 213a, so that the first fixing portion 13 and the Separation from the first cleaner body 21 may be restricted.

Referring to FIG. 10 , the second fixing part 14 may include a second fixing part body 140 forming a body. The second fixing part body 140 may be fixed to the mask body 10 . The second fixing part body 140 may be fixed between the front cover 12 and the frame 11 . The second fixing part body 140 may be inserted and fixed in the second fixing part seating groove 129b of the mask body 10 . When the second fixing part 14 is fixed to the second fixing part seating groove 129b, one side of the second flow path 124b and the other side of the third flow path 124c may be shielded.

The second fixing part body 140 may include a second duct insertion hole 141 . The second duct insertion hole 141 may be understood as an opening into which the second duct 411 of the second air cleaner 40 is inserted. When the second duct 411 is inserted into the second duct insertion hole 141 , the second cleaner body 41 may be fixed to the second fixing part body 140 . The second duct insertion hole 141 may be formed in a shape corresponding to the second duct 411 . When the second duct 411 is inserted into the second duct insertion hole 141 , the second flow path 124b of the mask body 10 and the second air flow hole 411a of the second duct 411 . ) can communicate with each other. The second duct insertion hole 141 may be formed by opening a part of the second fixing part body 140 .

When the second fixing part 14 and the second cleaner body 41 are coupled to each other, one surface of the second fixing part body 140 and the second protruding part 410 of the second cleaner body 41 contact each other. can be When the second protrusion 410 comes into contact with one surface of the second fixing part body 140 , the second duct 411 and the second duct insertion hole 141 may be sealed. The second protrusion 410 may be positioned between the second fixing part 14 and the second cleaner body 41 to form a space in which a portion of the second locking part 50 is disposed.

The second fixing part body 140 may include a second conduit tube insertion hole 142 . The second conduit insertion hole 142 may be understood as an opening into which the second conduit 413 of the second air cleaner 40 is inserted. The second conduit insertion hole 142 may be formed in a shape corresponding to the second conduit 413 . When the second conduit 413 is inserted into the second conduit insertion hole 142 , the third passage 124c of the mask body 10 and the second conduit 413a of the second conduit 413 are inserted. ) can communicate with each other. The second conduit insertion hole 142 may be formed by opening a portion of the second fixing part body 140 .

The second fixing part body 140 may include a second fixing hook releasing part 143 . The second fixing hook releasing part 143 may be located at one side of the second fixing part body 140 . For example, the second fixing hook releasing part 143 may be located on one side of the first fixing part body 130 facing the front cover 12 . The second fixing hook release part 143 may pass through a part of the front cover 12 and be exposed to the outside when the front cover 12 and the frame 11 are coupled. When the second fixing hook releasing part 143 is operated, the second air cleaner 40 fixed to the second fixing part 14 may be separated. The second fixing hook releasing part 143 may release the fixing of the second fixing hook 412 fixed to the second fixing part 14 . For example, the second fixing hook release unit 143 may be provided in a button manner. When the second fixing hook releasing part 143 is operated, the second fixing hook releasing part 143 applies an external force to the second fixing hook 412 so that the second fixing hook releasing part 143 is caught and fixed to the second fixing hook 412 . The second fixing hook 412 may be separated from the second fixing part 14 . An opening for exposing the second fixing hook releasing part 143 to the outside may be formed in the front cover 12 .

The second fixing part body 140 may include a fourth opening 148 . The fourth opening 148 may be formed by opening a part of the second fixing part body 140 . The fourth opening 148 may be understood as an opening through which the second separation prevention string 481 of the second separation prevention part 48 passes. The fourth opening 148 may be formed in a size such that the second separation prevention strap 481 can be located inside. The fourth opening 148 may prevent the third separation preventing protrusion 482 from being separated from the second fixing part 14 . The fourth opening 148 may be formed to have a diameter larger than a diameter of the second separation prevention string 481 and smaller than a diameter of the third separation prevention protrusion 482 . The third separation preventing protrusion 482 may be caught and fixed to one side of the second fixing part 14 after passing through the fourth opening 148 . In this embodiment, the fourth opening 148 located in the second fixing part body 140 may be referred to as an opening on one side.

The mask device 1 may include a second separation preventing part 48 connecting the second fixing part 14 and the second air cleaner 40 . The second separation preventing part 48 may be provided in plurality.

The second separation prevention part 48 may include a second separation prevention string 481 , a third separation prevention projection part 482 , and a fourth separation prevention projection part 483 . The third separation preventing protrusion 482 may be referred to as a one-side separation preventing protrusion, and the fourth separation preventing protrusion 483 may be referred to as the other separation preventing projection. The second anti-separation strap 481 may extend in the longitudinal direction. The third separation prevention protrusion 482 is provided at one end of the second separation prevention string 481 , and the fourth separation prevention projection 483 is provided at the other end of the second separation prevention string 481 . can be The third separation prevention protrusion 482 and the fourth separation prevention projection 483 may be configured to have a larger diameter or a larger size than the second separation prevention string 481 .

The second separation prevention string 481 may pass through the second opening 419 and the fourth opening 148 . The third separation preventing protrusion 482 may be located on one side of the second fixing part 14 , and the fourth separation preventing projection 483 may be located on one side of the second cleaner body 41 . The third separation preventing protrusion 482 may limit separation from the second fixing part 14 . The fourth separation preventing protrusion 483 may restrict separation from the second cleaner body 41 . At least one of the third separation prevention protrusion 482 and the fourth separation prevention projection 483 may be disengaged from at least one of the second fixing unit 14 and the second cleaner body 41 .

The second separation prevention part 48 may be located in the second wire pipe insertion hole 142 and the second wire passage hole 413a. In this case, the third separation prevention projection 482 and the fourth separation prevention projection 483 are formed to a size that can be caught in the second wire pipe insertion hole 142 and the second wire passage hole 413a. can be The third separation prevention protrusion 482 and the fourth separation prevention projection 483 are caught in the second conduit insertion hole 142 and the second electric wire passage hole 413a, so that the second fixing unit 14 and the Separation from the second cleaner body 41 may be restricted.

11 is a view showing a state in which the mask device according to the first embodiment of the present invention is folded.

Referring to FIG. 11 , when the fixing hook release units 133 and 143 are operated, the first air cleaner 20 and the second air cleaner 40 may move with respect to the mask body 10 . The first locking part 30 coupled to the first air cleaner 20 and the second locking part 50 coupled to the second air cleaner 40 may also move with respect to the mask body 10 . In this embodiment, "moving" means that the first air cleaner 20 and the first locking part 30 and the second air cleaner 40 and the second locking part 50 are attached to the mask body 10. It can be understood as being folded about or rotated to be folded.

The first duct 211 of the first air cleaner 20 may be inserted and fixed to one end of the mask body 10 . The second duct 411 of the second air cleaner 40 may be inserted and fixed to the other end of the mask body 10 . One side of the mask body 10 may be defined as a left side, and the other side of the mask body 10 may be defined as a right side.

The first locking part 30 is coupled to the first air cleaner 20 , and a part of the first locking part 30 is at one end of the first air cleaner 20 and the mask body 10 . can be located between The second locking part 50 is coupled to the second air cleaner 40 , and a part of the second locking part 50 is at the other end of the second air cleaner 40 and the mask body 10 . can be located between

The first locking part 30 may be spaced apart from the mask body 10 together with the first air cleaner 20 when the first air cleaner 20 is separated from the mask body 10 . The second locking part 50 may be spaced apart from the mask body 10 together with the second air cleaner 40 when the second air cleaner 40 is separated from the mask body 10 . The first air cleaner 20 and the first locking part 30 may move in a direction toward the frame 11 of the mask body 10 while being spaced apart from the mask body 10 . The first air cleaner 20 and the first locking part 30 may rotate counterclockwise with reference to FIG. 11 . The second air cleaner 40 and the second locking part 50 may move in a direction toward the frame 11 of the mask body 10 while being spaced apart from the mask body 10 . The second air cleaner 40 and the second locking part 50 may rotate clockwise with reference to FIG. 11 .

The first air cleaner 20 may be fixed to the mask body 10 by a first fixing hook 212 of the first duct 211 . The second air cleaner 40 may be fixed to the mask body 10 by a second fixing hook 412 of the second duct 411 . The first fixing hook 212 may be released by the first fixing hook releasing part 133 of the mask body 10 . The second fixing hook 412 may be released by the second fixing hook releasing part 143 of the mask body 10 .

For example, the first fixing hook releasing unit 133 and the second fixing hook releasing unit 143 may be configured as push buttons. The user presses (P) the first fixing hook releasing part 133 and the second fixing hook releasing part 143 so that the first fixing hook 212 and the second fixing hook 412 are connected to the mask body. It can be separated from (10). When the first fixing hook 212 and the second fixing hook 412 are separated from the mask body 10 , the first duct 211 and the second duct 411 are connected to the mask body 10 . can be separated from The first and second fixing hooks 212 and 412 and the first and second fixing hook releasing units 133 and 143 will be further described with reference to FIGS. 12 and 13 .

The first air cleaner 20 , the first locking part 30 , and the second air cleaner 40 , and the second locking part 50 shield the frame 11 to be attached to the frame 11 . It is possible to minimize the attachment of foreign substances in the external space.

12 is a cross-sectional view showing a state in which the mask body and the air cleaner are combined according to the first embodiment of the present invention, and FIG. 13 is a cross-sectional view illustrating the state in which the mask body and the air cleaner are separated according to the first embodiment of the present invention. am.

12 , a first air cleaner 20 may be mounted on one side of the mask body 10 according to the present invention, and a second air cleaner 40 may be mounted on the other side of the mask body 10 . . One of the air cleaners 20 and 40 among the first air cleaner 20 and the second air cleaner 40 will be described as a reference.

The ducts 211 and 411 of the air cleaners 20 and 40 may be inserted into the duct insertion holes 131 and 141 of the mask body 10 . The duct insertion holes 131 and 141 may be formed in the fixing portions 13 and 14 of the mask body 10 . The ducts 211 and 411 and the duct insertion holes 131 and 141 may have sizes corresponding to each other. Air flow holes 211a and 411a are formed inside the ducts 211 and 411 , and the air flow holes 211a and 411a may communicate with the air flow spaces 214 and 414 of the air cleaners 20 and 40 . .

Air filtered in the air flow spaces 214 and 414 of the air cleaners 20 and 40 may flow to the mask body 10 after passing through the air flow holes 211a and 411a. Flow paths 124a and 124b communicating with the duct insertion holes 131 and 141 may be included in the mask body 10 . The filtered air passing through the air flow holes 211a and 411a may be introduced into the flow passages 124a and 124b. After passing through the air flow holes 211a and 411a and flow paths 124a and 124b, the filtered air flows into the inlet 111 of the frame 11 to be supplied to the user.

The ducts 211 and 411 may include fixing hooks 212 and 412 , and the duct insertion holes 131 and 141 may include hook coupling grooves 135 and 145 . The hook coupling grooves 135 and 145 may include a first hook coupling groove 135 formed in the first fixing part 13 and a second hook coupling groove 145 formed in the second fixing part 14 . . The fixing hook release parts 133 and 143 may be positioned in the hook coupling grooves 135 and 145 into which the fixing hooks 212 and 412 are inserted. When the ducts 211 and 411 are inserted into the duct insertion holes 131 and 141 , the fixing hooks 212 and 412 are elastically deformed to be caught in the hook coupling grooves 135 and 145 . The fixing hook release parts 133 and 143 may allow the fixing hooks 212 and 412 caught in the hook coupling grooves 135 and 145 to be separated from the hook coupling grooves 135 and 145 .

The fixing hook release parts 133 and 143 may penetrate a part of the fixing part body 130 and 140 and be exposed to the outside. By manipulating the fixing hook release parts 133 and 143 exposed to the outside, the fixing hooks 212 and 412 may be separated from the hook coupling grooves 135 and 145 . In order to expose the fixing hook release parts 133 and 143 to the outside, openings 120a and 120b through which a portion of the front cover 12 is opened may be included. The openings 120a and 120b may be located on both sides of the front cover 12 .

A portion of the engaging portions 30 and 50 may be positioned between the mask body 10 and the air cleaners 20 and 40 . A portion of the engaging portions 30 and 50 may prevent the air filtered between the mask body 10 and the air cleaner 20 and 40 from leaking into an external space.

A portion of the engaging portions 30 and 50 may include duct through holes 311 and 511 through which the ducts 211 and 411 pass and string through holes 318 and 518 through which the separation preventing units 28 and 48 pass. A portion of the engaging parts 30 and 50 includes the duct through-holes 311 and 511 and the string through-holes 318 and 518, and is positioned between the fixing parts 13 and 14 and the air cleaners 20 and 40. can do.

Meanwhile, in this embodiment, the ducts 211 and 411 are formed in the air cleaners 20 and 40 and the duct insertion holes 131 and 141 are formed in the fixing parts 13 and 14. there is.

Referring to FIG. 13 , the ducts 211 and 411 may be separated from the duct insertion holes 131 and 141 by manipulating the fixing hook release parts 133 and 143 . When the fixing hooks 212 and 412 are separated from the hook coupling grooves 135 and 145 by the fixing hook release parts 133 and 143 , the ducts 211 and 411 may be separated from the duct insertion holes 131 and 141 .

When the ducts 211 and 411 are separated from the duct insertion holes 131 and 141 , the air cleaners 20 and 40 may move away from the fixing parts 13 and 14 . The engaging parts 30 and 50 to which the air cleaners 20 and 40 are coupled may move in a direction away from the fixing parts 13 and 14 together with the air cleaners 20 and 40 . The fixing hooks 212 and 412 may be elastically deformed when passing through the duct insertion holes 131 and 141 . When the fixing hooks 212 and 412 are separated from the duct insertion holes 131 and 141 , the mask body 10 , the air cleaners 20 and 40 , and the engaging portions 30 and 50 may be spaced apart from each other.

The mask body 10 and the air cleaners 20 and 40 may be connected by separation preventing parts 28 and 48 . When the air cleaners 20 and 40 are separated from the mask body 10 , the separation preventing parts 28 and 48 are separated from the mask body 10 by a certain distance or more. can be prevented from becoming One side of the separation preventing parts 28 and 48 is fixed to the fixing parts 13 and 14 of the mask body 10 , and the other side of the separation preventing parts 28 and 48 is the air cleaner 20 , 40 . can be fixed to

The air cleaners 20 and 40 may rotate while being spaced apart from the mask body 10 by a predetermined distance by the separation prevention parts 28 and 48 . The engaging portions 30 and 50 to which the air cleaners 20 and 40 are coupled may rotate with respect to the mask body 10 together with the air cleaners 20 and 40 . When the air cleaners 20 and 40 and the locking parts 30 and 50 are rotated with respect to the mask body 10 , the mask device 1 may be defined as being folded.

When the air cleaners 20 and 40 are folded with respect to the mask body 10 , the size of the mask device 1 can be reduced. In addition, the air cleaners 20 and 40 may cover one surface of the mask body 10 to prevent foreign substances from being introduced into one surface of the mask body 10 .

14 is a view showing a folded state of the mask device according to the first embodiment of the present invention.

Referring to FIG. 14 , in the mask device 1 according to the present invention, the first air cleaner 20 and the second air cleaner 40 may be folded with respect to the mask body 10 . When the mask device 1 is used, the first air cleaner 20 and the second air cleaner 40 may be fixed to both ends of the mask body 10 to be used. The user's face may be positioned between the first air cleaner 20 and the second air cleaner 40 fixed to both ends of the mask body 10 .

The first fixing part 13 of the mask body 10 may include the first duct insertion hole 131 and the first conduit insertion hole 132 . When the first air cleaner 20 is fixed to the first fixing part 13, the first duct 211 of the first air cleaner 20 is inserted into the first duct insertion hole 131, The first conduit 213 may be inserted into the first conduit insertion hole 132 . When the first duct 211 and the first conduit 213 are inserted, the first protrusion 210 of the first air cleaner 20 comes into contact with the first fixing part 13 to limit the insertion position. can When the first duct 211 is inserted into the first duct insertion hole 131 , the first fixing hook 212 of the first air cleaner 20 may be caught and fixed to the first fixing part 13 . there is. A part of the first locking part 30 is positioned between the first air cleaner 20 and the first fixing part 13, and the mask device ( 1) can be installed.

The second fixing part 14 of the mask body 10 may include the second duct insertion hole 141 and the second conduit insertion hole 142 . When the second air cleaner 40 is fixed to the second fixing part 14, the second duct 411 of the second air cleaner 40 is inserted into the second duct insertion hole 141, The second conduit tube 413 may be inserted into the second conduit tube insertion hole 142 . When the second duct 411 and the second conduit 413 are inserted, the second protrusion 410 of the second air cleaner 40 comes into contact with the second fixing part 14 to limit the insertion position. can When the second duct 411 is inserted into the second duct insertion hole 141 , the second fixing hook 412 of the second air cleaner 40 may be caught and fixed to the second fixing part 14 . there is. A part of the second locking part 50 is positioned between the second air cleaner 40 and the second fixing part 14, and the mask device ( 1) can be installed.

When the mask device 1 is not in use, the first air cleaner 20 and the second air cleaner 40 may be folded with respect to the mask body 10 . When the first air cleaner 20 and the second air cleaner 40 are folded, the first air cleaner 20 and the second air cleaner 40 form the frame 11 of the mask body 10 . can cover The first air cleaner 20 may be rotated and folded from the left end of the mask body 10 toward the frame 11 . The second air cleaner 40 may be rotated and folded from the right end of the mask body 10 toward the frame 11 . In this embodiment, the first air cleaner 20 and the second air cleaner 40 are connected to the mask body 10 by the first separation prevention part 28 and the second separation prevention part 48 . can rotate That is, by closing a partial space of the mask body 10 that covers the user's nose and mouth, it is possible to minimize contamination of the partial space of the mask body 10 by being exposed to the outside.

When the first fixing hook releasing part 133 of the first fixing part 13 is operated, the first fixing hook 212 caught in the first fixing part 13 may be released. When the first fixing hook 212 is released, the first duct 211 may be separated from the first fixing part 13 . The first cleaner body 21 separated from the first fixing part 13 may rotate in a direction toward the frame 11 . Since the first fixing part 13 and the first cleaner body 21 are connected to each other by the first separation preventing part 28, it may be limited to be spaced apart from each other by a predetermined distance or more.

When the second fixing hook releasing part 143 of the second fixing part 14 is operated, the second fixing hook 412 caught in the second fixing part 14 can be released. When the second fixing hook 412 is released, the second duct 411 may be separated from the second fixing part 14 . The second cleaner body 41 separated from the second fixing part 14 may rotate in a direction toward the frame 11 . Since the second fixing part 14 and the second cleaner body 41 are connected to each other by the second separation preventing part 48, spaced apart from each other by a certain distance or more may be limited.

On the other hand, in the present embodiment, the first air cleaner 20 and the second air cleaner 40 are connected to the mask body 10 by the first separation prevention part 28 and the second separation prevention part 48 . ) is described as being rotated toward and folded. However, a hinge is provided between the first air cleaner 20 and the first fixing part 13 , and a hinge is provided between the second air cleaner 40 and the second fixing part 14 . could be The first air cleaner 20 and the second air cleaner 40 may be rotated and folded with respect to the mask body 10 by a hinge.

15 is a view illustrating a first locking part according to a first embodiment of the present invention, and FIG. 16 is a view showing a second locking part according to a first embodiment of the present invention.

15 and 16 , the mask device 1 according to the present invention may include a first locking part 30 and a second locking part 50 . The first locking part 30 may be detachably mounted to the first air cleaner 20 , and the second locking part 50 may be detachably mounted to the second air cleaner 40 . The first locking part 30 and the second locking part 50 may allow the first air cleaner 20 and the second air cleaner 40 to be supported by the user's ear. For example, the first locking part 30 and the second locking part 50 may be formed in a ring shape that is hooked and fixed to the user's ear. In addition, the first locking part 30 and the second locking part 50 may be formed in the shape of a leg that is caught and fixed to a part of the user's ear. The leg may be formed in a structure such as a temple that is caught and fixed to a part of the user's ear. Hereinafter, the first locking part 30 and the second locking part 50 will be sequentially described based on the drawings.

Referring to FIG. 15 , the first hooking part 30 may include a first hooking body 31 forming a body. In this embodiment, the first hanger body 31 may be formed in a ring shape having a closed curve. A first cleaner body 21 may be mounted on one side of the first hook body 31 , and the other side of the first hook body 31 may be hooked and fixed to the user's ear. The first cleaner body 21 may be positioned inside one side of the first hanger body 31 , and the user's ear may be positioned inside the other side of the first hanger body 31 . A portion of the first hook body 31 may be in contact with the first cleaner body 21 . A portion of the first hook body 31 may be in contact with the first side 21a, the second side 21b, and the third side 21c of the first cleaner body 21 .

The first hanger body 31 may include a first body 31a, a second body 31b, a third body 31c, and a fourth body 31d. The first hanging body 31 may be formed by connecting the first to fourth bodies. The first body 31a may be defined as a portion disposed between the first air cleaner 20 and the first fixing part 13 . The fourth body 31d may be defined as a portion that is hooked and fixed to the user's ear. The second body 31b and the third body 31c may be defined as portions connecting the first body 31a and the fourth body 31d.

The first hanger body 31 may include a first duct through hole 311 . The first duct through hole 311 may be located in the first body 31a of the first hanging body 31 . The first duct through hole 311 may pass through the first duct 211 of the first cleaner body 21 . The first duct through hole 311 may be understood as an opening into which the first protrusion 210 of the first cleaner body 21 is inserted and fixed. The first duct through hole 311 may be formed to correspond to the first protrusion 210 . The first duct 211 may be inserted into the first duct insertion hole 131 while the first protrusion 210 is inserted into the first duct through hole 311 .

The first body 31a of the first hook body 31 may have one surface in contact with the first cleaner body 21 and the other surface in contact with the first fixing body 130 . The first body 31a of the first hook body 31 may be interposed between the first cleaner body 21 and the first fixing part body 130 to perform a packing function. Also, the first hook body 31 may be interposed between the first cleaner body 21 and the first fixing part body 130 to support the left end of the mask body 10 . The first protrusion 210 may be fixedly inserted into the first duct through hole 311 . Although referred to as the first duct through hole 311 in this embodiment, it may also be referred to as a first protrusion insertion hole into which the first protrusion 210 is inserted and fixed.

The first hanging body 31 may include a first conduit through hole 312 . The first conduit through-hole 312 may be located in the first body 31a of the first hanging body 31 . The first conduit through-hole 312 may be understood as an opening through which the first conduit 213 of the first cleaner body 21 passes. The first conduit through-hole 312 may be formed to correspond to the first conduit 213 . In a state in which the first conduit 213 is inserted into the first conduit through hole 312 , the first conduit 213 may be inserted into the first conduit insertion hole 131 . The first hook body 31 may be interposed between the first cleaner body 21 and the first fixing part body 130 to support the left end of the mask body 10 .

The first hook body 31 may include a first string through hole 318 . The first string through hole 318 may be understood as an opening through which the first detachment prevention string 281 of the first detachment prevention part 28 passes. The first string through hole 318 may be formed to correspond to the first detachment prevention string 281 . The first string through hole 318 may be located in the first body 31a of the first hanging body 31 . The first string through hole 318 may be disposed on one side of the first duct through hole 311 , and the first conduit insertion hole 132 may be located on the other side of the first duct through hole 311 . there is.

The first hook body 31 may include a first handle 314 . The first handle 314 may be located on the fourth body 31d of the first hook body 31 . The first handle 314 may be formed by protruding a portion of the first hook body 31 to the outside. The fourth body 31d of the first hook body 31 may include one surface facing the user's ear and the other surface facing the outside. The first handle 314 may be formed to protrude outward from the other surface of the fourth body 31d. The first handle 314 may be understood as a part held by the user when the first hook body 31 is fixed to the user's ear.

The first hanging body 31 may include a first locking hook coupling groove 317 . The first engaging hook coupling groove 317 may be provided in plurality. The first locking hook 217 of the first cleaner body 21 may be hooked and fixed to the first locking hook coupling groove 317 . The first locking hook coupling groove 317 may be located at a position corresponding to the first locking hook 217 . The first locking hook coupling groove 317 may be located in the second body 31b and the third body 31c of the first hook body 31 . The first locking hook coupling groove 317 may be formed by recessing a portion of the first hook body 31 so that the first locking hook 217 can be inserted. In detail, the second body 31b and the third body 31c may be defined by an inner surface and an outer surface. The first engaging hook coupling groove 317 may be formed by recessing inner surfaces of the second body 31b and the third body 31c toward the outer surface. The first locking hook coupling groove 317 may be formed by being depressed in a shape corresponding to the bent portion so that the bent portion of the first locking hook 217 is inserted. That is, the first locking hook coupling groove 317 may be opened in a shape corresponding to the first locking hook 217 so that the first locking hook 217 is locked.

The first locking part 30 may include a first contact part 32 . The first contact portion 32 may be provided on the inner surface of the first hanging body (31). The inner surface of the first hook body 31 may be defined as a surface in contact with the user's ear. The first contact part 32 may be located on the fourth body 31d of the first locking part 30 . The first contact portion 32 may further extend from the fourth body 31d of the first locking portion 30 toward at least one of the second body 31b and the third body 31c. The first contact part 32 may be disposed between the user's ear and the first locking part 30 to distribute the pressure applied to the user's ear. The first contact portion 32 may be made of a material having a certain elastic force to distribute the pressure applied to the user's ear.

Meanwhile, the first contact unit 32 may further include a sensor capable of acquiring biometric information from the user's ear. The sensor may be provided inside the first contact unit 32 and may be in contact with the user's ear to obtain biometric information. For example, the operation of the mask device 1 may be controlled based on the biometric information obtained through the sensor.

The first hook body 31 may include a first recessed part 319 . The first recessed part 319 may be formed by recessing a portion of the first hanging body 31 . 15 is a cross-sectional view showing a part of the first hook body 31 cut. Referring to Y of FIG. 15 , the first recessed part 319 may be formed by recessing the outer surface of the first hanging body 31 toward the inner surface. The first recessed part 319 may be located in the second body 31b and the fourth body 31d of the first hanging body 31 . The first recessed part 319 may be understood as a space in which the temple of the glasses is seated when the glasses are worn after the first locking part 30 is mounted on the user's ear.

Referring to FIG. 16 , the second hooking part 50 may include a second hooking body 51 forming a body. In this embodiment, the second hook body 51 may be formed in a ring shape having a closed curve. A second cleaner body 41 is mounted on one side of the second hook body 51 , and the second side of the second hanger body 51 may be hooked and fixed to the user's ear. The second cleaner body 41 may be located inside one side of the second hook body 51 , and the user's ear may be located inside the other side of the second hook body 51 . A portion of the second hook body 51 may be in contact with the second cleaner body 41 . A portion of the second hook body 51 may be in contact with the first side 41a, the second side 41b, and the third side 41c of the second cleaner body 41 .

The second hook body 51 may include a first body 51a, a second body 51b, a third body 51c, and a fourth body 51d. The second hook body 51 may be formed by connecting the first to fourth bodies. The first body 51a may be defined as a portion disposed between the second air cleaner 40 and the second fixing part 14 . The fourth body 51d may be defined as a portion that is hooked and fixed to the user's ear. The second body 51b and the third body 51c may be defined as portions connecting the first body 51a and the fourth body 51d.

The second hook body 51 may include a second duct through hole 511 . The second duct through hole 511 may be located in the first body 51a of the second hanging body 51 . A second duct 411 of the second cleaner body 41 may pass through the second duct through hole 511 . The second duct through-hole 511 may be understood as an opening into which the second protrusion 410 of the second cleaner body 41 is inserted and fixed. The second duct through hole 511 may be formed to correspond to the second protrusion 410 . The second duct 411 may be inserted into the second duct insertion hole 141 while the second protrusion 410 is inserted into the second duct through hole 511 .

The first body 51a of the second hook body 51 may have one surface in contact with the second cleaner body 41 and the other surface in contact with the second fixing part body 140 . The first body 51a of the second hook body 51 may be interposed between the second cleaner body 41 and the second fixing part body 140 to perform a packing function. In addition, the second hook body 51 may be interposed between the second cleaner body 41 and the second fixing part body 140 to support the right end of the mask body 10 . The second protrusion 410 may be fixedly inserted into the second duct through hole 511 . Although referred to as the second duct through-hole 511 in the present embodiment, it may also be referred to as a second protrusion insertion hole into which the second protrusion 410 is inserted and fixed.

The second hanging body 51 may include a second conduit through-hole 512 . The second conduit through-hole 512 may be located in the first body 51a of the second hanging body 51 . The second conduit through hole 512 may be understood as an opening through which the second conduit 413 of the second cleaner body 41 passes. The second conduit through-hole 512 may be formed to correspond to the second conduit 413 . In a state in which the second conduit 413 is inserted into the second conduit through-hole 512 , the second conduit 413 may be inserted into the second conduit insertion hole 141 . The second hook body 51 may be interposed between the second cleaner body 41 and the second fixing part body 140 to support the right end of the mask body 20 .

The second hook body 51 may include a second string through hole 518 . The second string through hole 518 may be understood as an opening through which the second detachment prevention string 481 of the second detachment prevention part 48 passes. The second string through hole 518 may be formed to correspond to the second detachment prevention string 481 . The second string through hole 518 may be located in the first body 51a of the second hanging body 51 . The second string through hole 518 may be disposed on one side of the second duct through hole 511 , and the second conduit tube insertion hole 142 may be located on the other side of the second duct through hole 511 . there is.

The second hook body 51 may include a second handle 514 . The second handle 514 may be located on the fourth body 51d of the second hook body 51 . The second handle 514 may be formed by protruding a portion of the second hook body 51 to the outside. The fourth body 51d of the second hook body 51 may include one surface facing the user's ear and the other surface facing the outside. The second handle 514 may be formed to protrude outward from the other surface of the fourth body 51d. The second handle 514 may be understood as a part held by the user when the second hook body 51 is fixed to the user's ear.

The second hook body 51 may include a second hook hook coupling groove 517 . The second locking hook coupling groove 517 may be provided in plurality. The second locking hook 417 of the second cleaner body 41 may be hooked and fixed to the second locking hook coupling groove 517 . The second locking hook coupling groove 517 may be located at a position corresponding to the second locking hook 417 . The second locking hook coupling groove 517 may be located in the second body 51b and the third body 51c of the second hook body 51 . The second locking hook coupling groove 517 may be formed by recessing a portion of the second hook body 51 so that the second locking hook 417 can be inserted. In detail, the second body 51b and the third body 51c may be defined by an inner surface and an outer surface. The second engaging hook coupling groove 517 may be formed by recessing inner surfaces of the second body 51b and the third body 51c toward the outer surface. The second locking hook coupling groove 517 may be formed by being depressed in a shape corresponding to the bent part so that the bent part of the second locking hook 417 is inserted. That is, the second locking hook coupling groove 517 may be opened in a shape corresponding to the second locking hook 417 so that the second locking hook 417 is locked.

The second locking part 50 may include a second contact part 52 . The second contact portion 52 may be provided on the inner surface of the second hook body 51 . The inner surface of the second hook body 51 may be defined as a surface in contact with the user's ear. The second contact portion 52 may be located on the fourth body 51d of the second locking portion 50 . The second contact part 52 may further extend from the fourth body 51d of the second locking part 50 toward at least one of the second body 51b and the third body 51c. The second contact part 52 may be disposed between the user's ear and the second locking part 50 to distribute the pressure applied to the user's ear. The second contact portion 52 may be made of a material having a certain elastic force to distribute the pressure applied to the user's ear.

Meanwhile, the second contact unit 52 may further include a sensor capable of acquiring biometric information from the user's ear. The sensor may be provided inside the second contact unit 52 and may be in contact with the user's ear to obtain biometric information. For example, the operation of the mask device 1 may be controlled based on the biometric information obtained through the sensor.

The second hook body 51 may include a second recessed portion 519 . The second recessed part 519 may be formed by recessing a portion of the second hook body 51 . Z of FIG. 16 is a cross-sectional view showing a part of the second hook body 51 cut. Referring to Z of FIG. 16 , the second recessed part 519 may be formed by recessing the outer surface of the second hanging body 51 toward the inner surface. The second recessed part 519 may be located in the second body 51b and the fourth body 51d of the second hanging body 51 . The second recessed part 519 may be understood as a space in which the temple of the glasses is seated when the glasses are worn after the second locking part 50 is mounted on the user's ear.

17 and 18 are views illustrating an air flow flowing by the mask device according to the first embodiment of the present invention.

17 and 18 , the mask device 1 according to the present invention may be in close contact with the user's face while covering the user's nose and mouth. The mask device 1 may be supported by the user's ear by the first and second locking parts 30 and 50 while the packing 15 is in contact with the user's face. In a state in which the mask device 1 is in close contact with the user's face, the user can operate the mask device 1 by turning on/off at least one of the first switch 222 and the second switch 422 . there is. Meanwhile, although the mask device 1 is described as being mounted on the user's nose and mouth, the mask device 1 may also be mounted on a pet. In this case, the mask device 1 may be configured to be mounted on the head of the pet.

When the mask device 1 is operated, the first fan module 24 and the second fan module 44 are operated, and external air can be sucked in. The first fan module 24 and the second fan module 44 are operated to allow external air to be sucked into the first inlet 221 and the second inlet 421 . A flow direction of the external air introduced through the first inlet 221 and the second inlet 421 is indicated by A. The first air cleaner 20 may suck in air positioned on the left side of the user's face, and the second air cleaner 40 may suck air positioned on the right side of the user's face.

The external air sucked into the first inlet 221 is filtered by the first filter module 25 , and the external air sucked in through the second inlet 421 is filtered by the second filter module 45 . can be The filtered air may be discharged through the inlet 111 of the mask body 10 after passing through the first flow path 124a and the second flow path 124b. A flow direction of the air in which the air having passed through the first flow path 124a and the second flow path 124b is discharged to the inlet 111 is denoted by B. Air filtered by the first air cleaner 30 may be supplied through a first inlet 111a, and air filtered by the second air cleaner 40 may be supplied through a second inlet 111b. The air discharged through the inlet 111 is supplied to the user's nose and mouth, and the user can inhale the filtered air. Since air is forced to flow by the first fan module 24 and the second fan module 44 , filtered air may be abundantly supplied to the breathing space of the mask body 10 .

Air exhaled from the user's nose and mouth may be introduced into the outlet 112 of the mask body 10 . Since air is continuously supplied through the inlet 111 , the exhaled air may flow in a direction toward the outlet 112 . In addition, since the outlet 112 is located in front of the user's mouth, the air discharged from the user's nose and mouth can be quickly introduced. Air discharged through the outlet 112 may be introduced into the third flow path 124c of the mask body 10 . The flow direction of the air exhaled from the user's nose and mouth is indicated by C. Since the third flow path 124c is separated from the first flow path 124a and the second flow path 124b, it is possible to prevent the filtered air from mixing with the discharged air.

The discharge port 128 may discharge the internal air of the third flow path 124c to the outside space. The air inside the third flow path 124c is discharged to the outside through the discharge port 128, and the air flow direction is indicated by D. In this embodiment, since the discharge port 128 is located below the mask body 1, it is possible to minimize the inflow of the air discharged to the outside into the first air cleaner 20 and the second air cleaner 40. can

A check valve 118 may be provided at at least one of the discharge port 128 and the outlet port 112 . In this embodiment, the check valve 118 may be provided at the outlet 112 . The check valve 118 may prevent the air in the external space from flowing backward through at least one of the discharge port 128 and the outlet port 112 . The check valve 118 may be closed when the user inhales the filtered air, and may be opened when the user exhales the air.

19 is a view showing a locking part of the mask device according to the second embodiment of the present invention.

Embodiments The mask apparatus 2 according to the second embodiment of the present invention is characterized in that a specific part of the mask apparatus 1 according to the first embodiment is deformed. Accordingly, some configurations of the mask device 2 according to the second embodiment may be the same as those of the mask device 1 according to the first embodiment. Accordingly, parts omitted from the description of the mask device 2 according to the second embodiment are the same as those of the mask device 1 according to the first embodiment, and the same description may be cited. Hereinafter, a specific part of the mask device 2 according to the second embodiment modified from the mask device 1 according to the first embodiment will be described.

Referring to FIG. 19 , the mask device 2 according to the present invention may include a third locking part and a fourth locking part. The third locking part may be coupled to the first air cleaner 20 , and the fourth locking part may be coupled to the second air cleaner 40 . Although the third locking part and the fourth locking part are different in position, the configuration may be the same. Accordingly, the third and fourth locking parts will be referred to as the locking parts 60 and will be described.

The hooking part 60 may include a hooking body 61 forming a body. The first air cleaner 20 and the second air cleaner 40 may be coupled to one side of the hanging body 61 , and the user's ear may be hooked and fixed to the other side of the hanging body 61 .

The hook body 61 may include an upper hook 611 and a lower hook 612 . One side of the upper hook 611 and the lower hook 612 may be connected to each other and integrally formed. The other ends of the upper hook 611 and the lower hook 612 may be detachably connected to each other. The upper hook 611 may be defined as a portion located above the user's ear, and the lower hook 612 may be defined as a portion located below the user's ear.

The hanger body 61 may include a contact portion 62 . The contact part 62 may be provided on at least one of the upper hook 611 and the lower hook 612 . The contact portion 62 may be interposed between at least one of the upper hook 611 and the lower hook 612 and the user's ear to distribute the pressure applied to the user's ear. The contact part 62 may be made of a material that is easily deformable and has elasticity in order to distribute the pressure applied to the user's ear.

The hanger body 61 may include a length adjusting part 70 . The length adjustment unit 70 may adjust the length of the hook body 61 that is hooked and fixed to the user's ear. The length of the hanger body 61 may be adjusted by using the length adjusting unit 70 , and the mask body 10 may be in close contact with the user's face. It is possible to respond to various users having different sizes of faces through the length adjusting unit 70 . In this embodiment, the length adjusting part 70 may adjust the length of the hanger body 61 by inserting the other end of the lower hanger 612 into the other end of the upper hanger 611 .

The length adjustment part 70 may include a lower hook insertion part 71 . The lower hook insertion part 71 may be located at the other end of the upper hook 611 . The lower hook insertion part 71 and the upper hook 611 may be formed to have a larger diameter or size than the lower hook 612 so that the lower hook 612 can be inserted therein. The lower hanger 612 may be inserted into the lower hanger insertion part 71 and then move to the inside of the lower hanger 612 . Although it has been described that the lower hook 612 is inserted into the lower hook insertion part 71 , the upper hook 611 may be inserted into the lower hook 612 . Although referred to as the lower hook insertion part 71 , it may be referred to as a buckle for adjusting the insertion length of the lower hook 612 .

The lower hanger insertion part 71 may include a lower hanger insertion hole 711 . The lower hook insertion hole 711 may be understood as an opening into which the lower hook 612 is inserted. The lower hook insertion hole 711 may be formed to correspond to the lower hook 612 . The lower hook insertion hole 711 may extend from the lower hook insertion part 71 to the inside of the upper hook 611 . The lower hook 612 inserted into the lower hook insertion hole 711 may be inserted to the inside of the upper hook 611 .

The length adjusting part 70 may include a plurality of guide grooves 72 . The plurality of guide grooves 72 may be provided on one surface of the lower hook 612 . The plurality of guide grooves 72 may be inserted into the lower hook insertion part 71 together with the lower hook 612 . The plurality of guide grooves 72 may restrict separation of the lower hook 612 from the lower hook insertion part 71 . The plurality of guide grooves 72 inserted into the lower hook insertion part 71 may be latched and fixed to the protrusions provided inside the lower hook insertion part 71 . The user can adjust the length of the hanger body 61 by using a method in which the protrusions of the lower hanger inserting part 71 are latched and fixed to the plurality of guide grooves 72 inserted into the lower hanger inserting part 71. there is. In this embodiment, a plurality of guide grooves are referred to, but may be referred to as a rack.

The length adjustment unit 70 may include an adjustment switch 73 . The control switch 73 may be provided on one side of the lower hook insertion part 71 . The control switch 73 may control whether the protrusions provided inside the lower hook insertion part 71 are caught and fixed to the plurality of guide grooves 72 . For example, when the control switch 73 is operated, the protrusion fixed to any one of the plurality of guide grooves 72 may be released. When the protrusions are released from the plurality of guide grooves 72 , the lower hook 612 may be separated from the lower hook insertion part 71 . The user can adjust the length of the hanger body 61 by manipulating the control switch 73 so that the protrusion locked in any one of the guide grooves of the plurality of guide grooves 72 is separated.

When the length adjusting part 70 is provided on the locking part 60 , the length of the hanging body 61 can be freely adjusted. By adjusting the length of the hanging body 61, the mask device 2 can be in close contact with the faces of various users. Since the upper hook 611 is detachable from the lower hook 612, there is an advantage that it is comfortable to wear on the user's ear.

20 is a diagram illustrating a mask device according to a third embodiment of the present invention.

The mask device 3 according to the third embodiment of the present invention is characterized in that a specific part of the mask device 1 according to the first embodiment is deformed. Accordingly, some configurations of the mask device 3 according to the third embodiment may be the same as those of the mask device 1 according to the first embodiment. Accordingly, parts omitted from the description of the mask device 3 according to the third embodiment are the same as those of the mask device 1 according to the first embodiment, and the same description may be cited. Hereinafter, a specific part of the mask device 3 according to the third embodiment modified from the mask device 1 according to the first embodiment will be described.

Referring to FIG. 20 , the mask device 3 according to the third embodiment of the present invention may include a mask body 10 , a first air cleaner 20 , and a second air cleaner 40 . The mask device 3 may include a fifth locking part 80 coupled to the first air cleaner 20 and a sixth locking part 90 coupled to the second air cleaner 40 . . The mask device 3 may include a connection module 100 for connecting the fifth locking part 80 and the sixth locking part 90 to each other. In this embodiment, the fifth locking part 80 , the sixth locking part 90 , and the connection module 100 may allow the mask body 10 to be supported on the user's head. Alternatively, the fifth locking part 80 , the sixth locking part 90 , and the connection module 100 may allow the mask body 10 to be supported on a hat or a helmet mounted on the user's head.

The fifth hooking part 80 may include a fifth hooking body 81 forming a body. The first air cleaner 20 may be detachably mounted to the fifth hanger body 81 . One side of the fifth hanger body 81 may be connected to the first air cleaner 20 . The other side of the fifth hanger body 81 may be connected to the connection module 100 . The fifth hook body 81 may be formed in a ring or ring shape. The user's ear may be located inside the fifth hanger body 81, or the user's ear may not be located. The fifth hanger body 81 may include a duct through hole for mounting the first air cleaner 20, a string through hole, a conduit through hole, and a locking hook coupling groove.

The other side of the fifth hook body 81 may include a first connector 811 . The first connector 811 may be understood as a configuration for connecting the fifth hanging body 81 to one side of the connection module 100 . The first connector 811 may be detachably fixed to one side of the connection module 100 . For example, one side of the connection module 100 may be configured such that the first connector 811 is inserted and fixed. The distance between the connection module 100 and the mask body 10 may be adjusted by an insertion length at which the first connector 811 is inserted into one side of the connection module 100 . In other words, the length of the fifth hanging body 81 may be adjusted in the longitudinal direction by the insertion length in which the first connector 811 is inserted into one side of the connection module 100 . When the length of the fifth hanger body 81 is adjusted, the mask body 10 may be stably fixed to the user's head, helmet, or hat.

The sixth hooking part 90 may include a sixth hooking body 91 forming a body. The second air cleaner 40 may be detachably mounted on the sixth hanger body 91 . One side of the sixth hanger body 91 may be connected to the second air cleaner 40 . The other side of the sixth hanger body 91 may be connected to the connection module 100 . The sixth hook body 91 may be formed in a ring or ring shape. The user's ear may be located inside the sixth hanger body 91, or the user's ear may not be located. The sixth hanging body 91 may include a duct through hole for mounting the second air cleaner 40, a string through hole, a conduit through hole, and a locking hook coupling groove.

The other side of the sixth hanger body 91 may include a second connector 911 . The second connector 911 may be understood as a configuration for connecting the sixth hanging body 91 to the other side of the connection module 100 . The second connector 911 may be detachably fixed to the other side of the connection module 100 . For example, the other side of the connection module 100 may be configured such that the second connector 911 is inserted and fixed. The distance between the connection module 100 and the mask body 10 may be adjusted by an insertion length at which the second connector 911 is inserted into the other side of the connection module 100 . In other words, the length of the sixth hanging body 91 may be adjusted in the longitudinal direction by the insertion length in which the second connector 911 is inserted into the other side of the connection module 100 . When the length of the sixth hanger body 91 is adjusted, the mask body 10 may be stably fixed to the user's head, helmet, hat, or the like.

The connection module 100 may include a connection module body 101 forming a body. The connection module 100 may connect one end of the fifth hanger body 81 and one end of the sixth hanger body 91 .

The connection module body 101 may include a first connector insertion part 1011 into which the first connector 811 is inserted and a second connector insertion part 1012 into which the second connector 911 is inserted. . The first connector insertion part 1011 may be formed on one side of the connection module body 101 , and the second connector insertion part 1012 may be formed on the other side of the connection module body 101 . The first connector 811 may be inserted and fixed into the first connector insertion unit 1011 , and the second connector 911 may be inserted and fixed into the second connector insertion unit 1012 .

The connection module body 101 may include a first adjusting unit 1013 and a second adjusting unit 1014 . The first adjustment unit 1013 may be understood as a button for separating the first connector 811 which is inserted into and fixed to the first connector insertion unit 1011 . The second adjustment unit 1014 may be understood as a button for separating the second connector 911 inserted into and fixed to the second connector insertion unit 1012 . The first connector 811 and the second connector 911 can be fixed to the user's face according to the lengths of which they are inserted into the first connector insertion part 1011 and the second connector insertion part 1012 . The length can be adjusted.

The connection module body 101 may include an auxiliary battery 105 . The auxiliary battery 105 may supply power to one or more of the first air cleaner 20 and the second air cleaner 40 . The auxiliary battery 105 may be detachably fixed to the connection module body 101 . The connection module body 101 may include a battery mounting groove 1015 in which the auxiliary battery 105 is mounted.

The battery mounting groove 1015 may be formed to correspond to the auxiliary battery 105 . The battery mounting groove 1015 may be formed by recessing a portion of the connection module body 101 . The auxiliary battery 105 may be mounted in the battery mounting groove 1015 and fixed to the connection module body 101 .

The connection module body 101 may supply power of the auxiliary battery 105 to at least one of the first connector 811 and the second connector 911 . For example, at least one of the first connector 811 and the second connector 911 and the connection module body 101 may be configured as a socket. When at least one of the first connector 811 and the second connector 911 is connected to the connection module body 101, it may be electrically connected. Wires for transmitting the power of the auxiliary battery 105 to the first air cleaner 20 and the second air cleaner 40 are provided inside the fifth and sixth hanger bodies 81 and 91 . can be

When the auxiliary battery 105 is mounted on the connection module 100 , power may be additionally supplied to the mask device 3 . The operation time of the mask device 3 may be improved by the auxiliary battery 105 . In addition, since the auxiliary battery 105 having a constant weight is disposed in the connection module 100 , it is possible to prevent an increase in the weight of the mask device 3 . In addition, by using the auxiliary battery 105 to charge the battery 26 of the mask device 3, or by preferentially consuming power of the auxiliary battery 105, the battery 26 of the mask device 3 consumption can be minimized.

1: mask device 10: mask body
20: first air cleaner 28: first separation prevention part
30: first stopper 40: second air cleaner
48: second separation prevention part 50: second locking part
60: locking part 70: length adjustment part
80: fifth stopping part 90: sixth stopping part
100: connection module

Claims (20)

A frame for covering the user's mouth and nose, a cover coupled to the front of the frame, and a packing coupled to the rear surface of the frame and in close contact with the user's face to define a breathing space between the frame and the user's face and a mask body having a flow path formed between the frame and the cover;
a pair of locking parts detachably coupled to both side ends of the mask body, respectively, to keep the mask body in close contact with the user's face;
a pair of air cleaners detachably coupled to each of the pair of locking parts, a fan module for filtering external air and supplying it to the flow path, and a filter module in which the filter module is accommodated; and
A separation prevention unit for connecting each of the pair of locking parts to both side ends of the mask body to maintain the locking part connected to the mask body even when the contact between the locking part and the mask body is released. including,
The escape prevention unit,
a separation prevention string having one end inserted into the side end of the mask body and the other end penetrating the engaging portion and inserted into the air cleaner;
A first separation prevention protrusion fixed to one end of the separation prevention string, and
A mask device including a second separation prevention protrusion fixed to the other end of the separation prevention string. delete The method of claim 1,
The air cleaner is
a cleaner body having a flow space in which the fan module and the filter module are located and an accommodating space separated from the flow space; and
and a cleaner cover coupled to the cleaner body and provided with a suction port for introducing external air into the flow space. 4. The method of claim 3,
The air cleaner is
and a duct extending from one side of the cleaner body to discharge the filtered air from the flow space,
A duct insertion hole into which the duct is inserted is formed in the mask body,
A duct through hole through which the duct passes is formed in the locking part. 5. The method of claim 4,
a first fixing part fixed to either one of the left and right ends of the mask body; and
and a second fixing part fixed to the other side of the left end and the right end of the mask body,
The first and second fixing parts are disposed between the frame and the cover,
The duct insertion hole is a mask device, characterized in that formed in the first fixing portion and the second fixing portion. 6. The method of claim 5,
a fixing hook provided on the front side of the duct;
A hook coupling groove formed in each of the first and second fixing parts and into which the fixing hook is fitted when the duct is completely inserted into the duct insertion hole, and
and a fixing hook releasing part fitted in the hook coupling groove to separate the fixing hook fitted in the hook coupling groove. delete 6. The method of claim 5,
The first separation prevention protrusion is fixed to one end of the separation prevention string passing through the first fixing part or the second fixing part,
The second separation prevention protrusion is fixed to the other end of the separation prevention string that sequentially passes through the locking portion and the cleaner body. 6. The method of claim 5,
The escape prevention unit,
an upper separation prevention part provided on the upper side of the duct;
A mask device including a lower separation preventing portion provided on a lower side of the duct. delete delete delete delete delete delete delete delete delete delete delete

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