CN213848869U

CN213848869U - Negative pressure purification type protective face mask

Info

Publication number: CN213848869U
Application number: CN202020887728.1U
Authority: CN
Inventors: 宋佑泽; 于成前; 胡红文; 程翠
Original assignee: Kingstar Medical Xianning Co ltd
Current assignee: Kingstar Medical Xianning Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-08-03
Anticipated expiration: 2030-05-22

Abstract

The utility model belongs to the technical field of the public health safety, specifically provide a negative pressure purification type protective face mask, including face guard body and ear area, be located the nasal cavity both sides department of face guard body is equipped with left side filtration passageway and right side filtration passageway respectively, is located the nasal cavity below department of face guard body is equipped with exhaust passage, all be equipped with the filter core in left side filtration passageway and the right side filtration passageway, be equipped with electric fan in the exhaust passage. Through installing two inlet channels and an exhaust passage on the face guard body, there is the filter core in the inlet channel, has electric fan in the exhaust passage. The electric fan is started, negative pressure is formed in the face mask, fresh air is sucked in through the filter element for people to breathe, and exhaled air is directly aligned to the electric fan and is exhausted from the exhaust passage, so that the exhaled air is prevented from staying. The user breathes easily, and the air capacity is sufficient, and exhale gas dwell time is short, can not form moist or generate heat the district, has improved user experience.

Description

Negative pressure purification type protective face mask

Technical Field

The utility model belongs to the technical field of public health safety, concretely relates to negative pressure purification type protective face mask.

Background

With the development of industrialization and environmental pollution, people often suffer from haze weather in daily life, particularly infectious diseases such as pneumonia caused by SRAS and new coronavirus, so that living goods such as masks and the like are necessary products for people to go out. Wherein, fire fighters and possibly the staff who works in the unclean air environment, the respiratory mask can alleviate or avoid the harm of pollutant in the air to the human body. However, the filtering effect of the protective mask on the market at present is poor, and people can feel large exhalation and inhalation resistance after wearing the protective mask due to the fact that the protective mask finds a relatively closed small space limited by the body, so that the protective mask is difficult to exchange with external air quickly, and accumulated heat or humidity causes discomfort to a human body and influences user experience. On the other hand, traditional removable respiratory mask size is huge, and the result is complicated, influences the person's image of wearing, and the filter effect is poor, and it is inconvenient to change, and user experience is not good.

Disclosure of Invention

The utility model aims at overcoming the problem that the breathing of the mask is not smooth in the prior art.

Therefore, the utility model provides a negative pressure purification type protective face mask, including face guard body and ear area, be located the nasal cavity both sides department of face guard body is equipped with left filtration passageway and right filtration passageway respectively, is located the nasal cavity below department of face guard body is equipped with exhaust passage, all be equipped with the filter core in left side filtration passageway and the right filtration passageway, be equipped with electric fan in the exhaust passage.

Preferably, the mask body is made of plastic.

Preferably, the left filtering channel and the right filtering channel are both provided with electric fans.

Preferably, a button battery is arranged at the side of the electric fan and electrically connected with the electric fan.

Preferably, the filter element comprises a shell and an internal filler, the internal filler is composite carbon or sponge, and the shell is detachably connected with the filtering channel.

Preferably, the housing is plugged or screwed into the filter channel.

Preferably, the edge of the mask body is provided with a latex gasket for clinging to the skin of the face.

Preferably, the exhaust passage is a boss with a through hole, a mounting seat extends towards the center from the inner wall of the boss, and a base of the electric fan is connected with the mounting seat through a bolt.

The utility model has the advantages that: the utility model provides a negative pressure purification type protective face mask, including face guard body and ear area, be located the nasal cavity both sides department of face guard body is equipped with left filtration passageway and right filtration passageway respectively, is located the nasal cavity below department of face guard body is equipped with exhaust passage, all be equipped with the filter core in left side filtration passageway and the right filtration passageway, be equipped with electric fan in the exhaust passage. Through installing two inlet channels and an exhaust passage on the face guard body, there is the filter core in the inlet channel, has electric fan in the exhaust passage. The electric fan is started, negative pressure is formed in the face mask, fresh air is sucked in through the filter element for people to breathe, and exhaled air is directly aligned to the electric fan and is exhausted from the exhaust passage, so that the exhaled air is prevented from staying. The user breathes easily, and the air capacity is sufficient, and exhale gas dwell time is short, can not form moist or generate heat the district, has improved user experience.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the inside of the negative pressure purifying type face guard of the present invention;

fig. 2 is the external structure schematic diagram of the negative pressure purifying type face guard of the present invention.

Description of reference numerals: face guard body 1, ear detain 2, left side filtration passageway 3, right side filtration passageway 4, exhaust passage 5, electric fan 6, mount pad 7, latex packing ring 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The embodiment of the utility model provides a negative pressure purification type protective face mask, including face guard body 1 and ear area, as shown in fig. 1 and fig. 2, be located the nasal cavity both sides department of face guard body 1 is equipped with left filtration passageway 3 and right filtration passageway 4 respectively, is located the nasal cavity below department of face guard body 1 is equipped with exhaust passage 5, all be equipped with the filter core in left side filtration passageway 3 and the right filtration passageway 4, be equipped with electric fan 6 in the exhaust passage 5. A plurality of ear buckles 2 are arranged on the mask body 1, and the ear belts pass through the ear buckles and then bypass the head to wear the protective mask.

Three raised passages are arranged on the face mask, and the filter element and the electric fan 6 are convenient to install. The filter element is arranged in the air inlet channel, and a fan can be arranged in the air inlet channel. An electric fan 6 is installed in the exhaust passage 5. The electric fan 6 is started, the breathing area in the mask body 1 forms negative pressure, outside air is sucked, fresh air enters from the filtering channel and is filtered by the filter element in the filtering channel, and after being absorbed by a person, exhaled air directly enters the exhaust channel 5 below the nasal cavity and is discharged through the fan. Air intake channel is located the nasal cavity both sides, and air intake channel horizontal arrangement prevents that the dust granule is vertical to drop to air intake channel in. Exhaust passage 5 is located the nasal cavity below, and exhaust passage 5 arranges downwards, and the exhale gas of being convenient for discharges fast, and prevents the backward flow.

Preferably, the mask body 1 is made of plastic. The plastic material is light and easy to shape.

Preferably, the left filtering channel 3 and the right filtering channel 4 are both provided with an electric fan 6. A fan is arranged in the inlet channel, and wind is sucked from outside to inside, so that air circulation is accelerated, and fresh air is convenient to breathe.

In a preferable scheme, a button battery is arranged at the side of the electric fan 6 and is electrically connected with the electric fan 6. The button cell occupies a small space, is convenient to install, and can be inserted only by slotting the lateral side of the protective mask body 1. The electric fan 6 is low in power, and a button battery is enough.

Preferably, the filter element comprises a shell and an internal filler, the internal filler is composite carbon or sponge, and the shell is detachably connected with the filtering channel. The casing is cylindrical and can be directly inserted into the exhaust passage 5 when in use. Can insert from the outside, be equipped with the notch at inlet channel outside border, the grafting of being convenient for is blocked, prevents that the filter core rotation from dropping. A baffle is arranged in the air inlet channel, and the filter element is directly abutted against the baffle.

Preferably, the housing is connected to the filter channel by means of a plug connection or a screw connection. Internal threads are arranged in the air inlet channel, namely the filtering channel, external threads are arranged on the shell of the filter element, and the filter element is assembled and disassembled conveniently.

Preferably, the edge of the mask body 1 is provided with a latex gasket 8 for clinging to the skin of the face. The latex washer 8 is softer, and the laminating face leakproofness is good, and is comfortable, can not cause and tighten the trace.

Preferably, the exhaust passage 5 is a boss with a through hole, the inner wall of the boss extends to the center to form a mounting seat 7, and the base of the electric fan 6 is connected with the mounting seat 7 through bolts. The base of the electric fan 6 is provided with a bolt mounting hole which corresponds to the mounting seat 7.

The above examples are merely illustrative of the present invention and do not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.

Claims

1. The utility model provides a negative pressure purification type protective face mask, includes face guard body and ear area, its characterized in that: the nasal cavity both sides department that is located the face guard body is equipped with left filtration passageway and right filtration passageway respectively, is located the nasal cavity below department of face guard body is equipped with exhaust passage, all be equipped with the filter core in left side filtration passageway and the right filtration passageway, be equipped with electric fan in the exhaust passage.

2. The negative pressure purifying protective mask as claimed in claim 1, wherein: the mask body is made of plastic.

3. The negative pressure purifying protective mask as claimed in claim 1, wherein: and the left filtering channel and the right filtering channel are both provided with electric fans.

4. The negative pressure purifying protective mask as claimed in claim 1, wherein: a button battery is arranged at the side of the electric fan and electrically connected with the electric fan.

5. The negative pressure purifying protective mask as claimed in claim 1, wherein: the filter element comprises a shell and an internal filler, the internal filler is composite carbon or sponge, and the shell is detachably connected with the filtering channel.

6. The negative pressure purifying protective mask as claimed in claim 5, wherein: the shell is connected with the filtering channel in an inserting or threaded manner.

7. The negative pressure purifying protective mask as claimed in claim 1, wherein: the edge of the mask body is provided with a latex gasket used for tightly adhering to the skin of the face.

8. The negative pressure purifying protective mask as claimed in claim 1, wherein: the exhaust passage is a boss with a through hole, a mounting seat extends towards the center from the inner wall of the boss, and the base of the electric fan is connected with the mounting seat through bolts.