CN217482878U

CN217482878U - Air conditioner indoor unit

Info

Publication number: CN217482878U
Application number: CN202221359936.XU
Authority: CN
Inventors: 陈正忠; 郭华锋; 申亮; 黄民柱; 李德鹏
Original assignee: Hisense Guangdong Air Conditioning Co Ltd
Current assignee: Hisense Guangdong Air Conditioning Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-23
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to the technical field of air conditioners and discloses an air conditioner indoor unit, which comprises a casing, a filter assembly, a transmission mechanism and a driving motor; the top side of the shell is provided with an air inlet, and the front side of the shell is provided with a through hole; the filtering component is detachably arranged in the shell and comprises a base, a self-cleaning piece and a filter screen, the base is detachably connected with the shell, the self-cleaning piece and the filter screen are both arranged on the base, and the filter screen covers the air inlet; the transmission mechanism is arranged on the base and connected with the filter screen; the driving motor is arranged on the shell, and the power output end of the driving motor is detachably connected with the transmission mechanism. The utility model discloses in, the user can dismantle filtering component under contactless driving motor's the prerequisite to thoroughly clean filtering component, the driving motor as the electrification part can not cause the incident during.

Description

Air conditioner indoor unit

Technical Field

The utility model relates to an air conditioning technology field especially relates to an indoor unit of air conditioner.

Background

The indoor unit of the air conditioner is used as a part of an air conditioning system and is arranged indoors and used for exchanging heat with indoor air so as to increase or decrease the indoor temperature.

The air-conditioning indoor unit is provided with an air inlet and an air outlet, wherein the air inlet is provided with a filter screen to filter air entering the air-conditioning indoor unit and prevent impurities such as dust and the like from entering the air-conditioning indoor unit; after the air conditioner is used for a period of time, the impurities such as dust and the like attached to the filter screen are too much, so that partial filter holes on the filter screen are blocked, the air intake is reduced, and the refrigerating or heating efficiency of the air conditioner is influenced. At present, in order to keep an air conditioner running efficiently, a rolling brush is arranged in an indoor unit of the air conditioner, sundries attached to a filter screen are brushed away into a dust collecting box by the rolling brush, and the dust collecting box is cleaned regularly.

When the air conditioner indoor unit runs for a period of time, the filtering component is completely disassembled to thoroughly clean structures such as a filter screen, a rolling brush and the like in the filtering component; in the disassembling process, because the driving motor for driving the filter screen to move relative to the roller brush is generally connected with the filter screen, the filter assembly is often disassembled after the driving motor is disassembled from the machine shell, however, the driving motor is generally required not to be contacted by a user as an electrifying component so as to avoid safety accidents.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the air conditioner indoor unit is characterized in that the air conditioner indoor unit is provided with a filter assembly which can be detached by a user on the premise of not contacting with a driving motor so as to thoroughly clean the filter assembly.

In order to achieve the above object, the utility model provides an indoor unit of air conditioner, include:

the top side of the shell is provided with an air inlet, and the front side of the shell is provided with a through hole;

the filter assembly is detachably arranged in the machine shell and comprises a base, a self-cleaning piece and a filter screen, the base is detachably connected with the machine shell, the self-cleaning piece and the filter screen are both arranged on the base, and the filter screen covers the air inlet;

the transmission mechanism is arranged on the base and is connected with the filter screen; and

the driving motor is arranged on the shell, and the power output end of the driving motor is detachably connected with the transmission mechanism;

wherein, filtering component reaches drive mechanism can pass through the through-hole with the casing is demolishd, driving motor can drive the filter screen moves along predetermined orbit, so that the different regions of filter screen with it sets up relatively from cleaning the piece, it can be rather than relative from cleaning the piece the filter screen region cleans.

In some embodiments, the filter assembly further comprises:

a first reel extending right and left and rotatably mounted on the base; and

the second reel extends left and right and is rotatably installed on the base, and the second reel and the first reel are arranged at intervals;

wherein, the one end of filter screen connect in on the first spool, the other end connect in on the second spool, the filter screen tensioning in first spool with between the second spool, drive mechanism respectively with first spool the second spool links to each other, driving motor rotates and to drive first spool reaches the second spool rotates, with the tensioning the filter screen.

In some embodiments, a mounting groove is opened at a front side of the housing, and the base includes:

the mounting part is arranged in the mounting groove, a mounting cavity is formed in the mounting part, the self-cleaning piece, the first reel and the second reel are all arranged in the mounting cavity, and the transmission mechanism is mounted on the outer side of the mounting part; and

the bracket extends along the front-back direction, the front side of the bracket is connected with the mounting part, the bracket is arranged in the through hole in a penetrating manner, and the filter screen is wound on the periphery of the bracket;

the driving motor rotates to drive the first reel and the second reel to rotate in opposite directions.

In some embodiments, the power output end of the driving motor is provided with a driving gear, and the transmission mechanism comprises:

the first driven gear is mounted at one end of the first reel and is meshed with the driving gear; and

and the second driven gear is arranged at one end of the second reel and is meshed with the first driven gear.

In some embodiments, an accommodating cavity is formed at an outer side of the mounting portion, and the first driven gear and the second driven gear are both mounted in the accommodating cavity.

In some embodiments, the self-cleaning element comprises a rolling brush, the rolling brush can brush out impurities attached to the filter screen, and the front side of the casing is further provided with a slot;

the filter assembly further comprises:

the dust collecting box is arranged on the base and is positioned below the rolling brush so as to collect sundries brushed off from the filter screen, and the bottom of the dust collecting box is provided with a dust falling port;

the dust falling box is inserted into the slot and is positioned below the dust collecting box, the top of the dust falling box is open and communicated to the dust falling port, and

the poking piece is arranged in the dust collecting box in a sliding mode and can clean the sundries in the dust collecting box to the dust falling port.

In some embodiments, the transmission mechanism is further connected to the rolling brush, a driving gear is disposed on a power output end of the driving motor, and the transmission mechanism includes:

and the third driven gear is arranged at one end of the rolling brush and is connected with the driving gear.

In some embodiments, further comprising:

the sliding seat is arranged in the dust collection box in a sliding manner and can be switched between a first position and a second position which are arranged at left and right intervals in a sliding manner; and

the holding seat is arranged on the front side of the dust collection box in a sliding manner and is provided with a rotating part which is rotatably connected with the shifting sheet;

the shifting piece is rotatably connected to the sliding seat and can rotate around a rotating shaft extending forwards and backwards to switch between a first angle and a second angle; when the shifting piece is positioned at the first angle, the shifting piece is transversely blocked in the dust collecting box and is abutted against the bottom wall of the dust collecting box; when the shifting piece is positioned at the second angle, the shifting piece is upwards recovered to avoid the bottom space of the dust collection box; the holding seat slides to drive the shifting piece to rotate to the first angle or the second angle.

In some embodiments, the roll brush has a first brush for brushing foreign materials attached to the filter screen out into the dust box;

the air-conditioning indoor unit further comprises:

the cleaning brush is arranged in the dust collecting box and used for brushing sundries attached to the rolling brush to the inside of the dust collecting box, and the cleaning brush is provided with a second brush inserted into the rolling brush.

In some embodiments, the filter screen includes a filtering area and a blocking area connected in sequence, the filtering area is used for filtering air entering from the air inlet, and the blocking area is used for blocking the air entering from the air inlet from entering into the casing; when the filter screen moves along a preset track, the filter screen can move between a filtering position and a blocking position, and when the filter screen is located at the filtering position, the filtering area covers the air inlet; when the filter screen is in the shutoff position, the shutoff region covers the air intake.

The embodiment of the utility model provides an indoor unit of air conditioner compares with prior art, and its beneficial effect lies in:

the utility model provides an air-conditioning indoor unit, after working for a period of time, the filter screen is attached with more sundries, and then the air-conditioning indoor unit enters into the self-cleaning process; during the period, the self-cleaning piece and the filter screen move relatively, different areas of the self-cleaning piece and the filter screen are arranged oppositely, and the area of the filter screen opposite to the self-cleaning piece is cleaned; when the filter screen is used for a period of time, the filter screen is attached with more sundries and is difficult to clean by the self-cleaning piece, the base and the machine shell are disassembled, so that the filter screen and the self-cleaning piece which are arranged on the base are disassembled from the machine shell along with the base, and then a user can thoroughly clean the disassembled filter assembly; in the period, the transmission mechanism is connected with the filter screen, so the transmission mechanism can be detached from the shell along with the filter screen; the power output end of the driving motor is detachably connected with the transmission mechanism, and the connection between the power output end of the driving motor and the transmission mechanism can be disconnected before the base is detached from the casing, so that the driving motor cannot be detached along with the transmission mechanism when the transmission mechanism is detached from the casing along with the filter screen.

Based on above-mentioned working process, the user can dismantle filtering component under the prerequisite of contactless driving motor to thoroughly clean filtering component, the driving motor who regards as the electrification part in the period can not cause the incident. Meanwhile, the driving motor serving as a power-on component can be installed and hidden in the machine shell, so that the driving motor can be well protected and prevented from being damaged by external action.

Drawings

Fig. 1 is a structural view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 2 is a structural view of the casing of the indoor unit of the air conditioner in the embodiment of the present invention.

Fig. 3 is an enlarged view of fig. 2 at a.

Fig. 4 is a panel structure view of an air conditioner indoor unit according to an embodiment of the present invention.

Fig. 5 is a front view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 6 is a sectional view taken along line B-B in fig. 5.

Fig. 7 is a base structure view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 8 is a sectional view of the base shown in fig. 7 of the indoor unit of an air conditioner according to the embodiment of the present invention.

Fig. 9 is an exploded view of the first scroll and the second scroll of the indoor unit of the air conditioner according to the embodiment of the present invention.

Fig. 10 is a structural view of the air conditioning indoor unit according to the embodiment of the present invention with a panel removed.

Fig. 11 is a connection relationship diagram of a dust collecting box and a dust falling box of an air conditioner indoor unit according to an embodiment of the present invention.

Fig. 12 is a structural view of a dust box of an indoor unit of an air conditioner according to an embodiment of the present invention.

Fig. 13 is a structural view of a dust collecting box and a pick of an indoor unit of an air conditioner according to an embodiment of the present invention.

Fig. 14 is a connecting structure diagram of the pulling piece, the holding seat and the sliding seat of the indoor unit of the air conditioner according to the embodiment of the present invention.

Fig. 15 is a structural view of the indoor unit of an air conditioner according to the embodiment of the present invention, with a panel and a casing removed.

Fig. 16 is an enlarged view at C in fig. 15.

Fig. 17 is a structural view of another base of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 18 is a connection diagram of a connecting rod, a transmission structure and a driving motor of an air conditioner indoor unit according to an embodiment of the present invention.

Fig. 19 is an enlarged view at D in fig. 18.

Fig. 20 is a structural view of the air conditioning indoor unit according to the embodiment of the present invention, with a panel and one of the bases removed.

Fig. 21 is an enlarged view at E in fig. 20.

Fig. 22 is a structure view of a filter screen of an air conditioner indoor unit according to an embodiment of the present invention.

In the figure, 100, a housing; 110. an air inlet; 120. a through hole; 130. mounting grooves; 140. a second mating portion; 150. a slot; 151. a first side wall; 152. a second side wall; 153. a first card slot; 154. a second card slot; 160. a limiting block;

200. a filter assembly; 210. a base; 211. an installation part; 212. a support; 213. installing a chamber; 214. an accommodating cavity; 215. a notch; 220. a self-cleaning element; 221. a first brush; 230. Filtering with a screen; 231. a filtration zone; 232. plugging the area;

240. a first reel; 241. a first portion; 242. a second portion; 243. a first seat body; 244. a second seat body;

250. a second reel; 251. a third portion; 252. a fourth part; 253. a third seat body; 254. a fourth seat body;

260. cleaning brushes; 261. a second brush;

300. a panel; 310. a first mating portion;

400. a drive motor; 410. a drive gear;

500. a transmission mechanism; 510. a first driven gear; 511. a first prism; 520. a second driven gear; 521. a second prism; 530. a third driven gear; 531. a third prism; 540. An intermediate gear; 550. a connecting rod;

600. a dust collecting box; 610. a shifting sheet; 620. a dust falling port;

700. a dust falling box; 710. a first clamping block; 720. a second fixture block;

800. a holding seat;

900. a sliding seat.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "left and right", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, 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 specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the field of air conditioning, a heat exchanger is arranged in an indoor unit of an air conditioner, the indoor unit is arranged indoors and heats or cools indoor air through the built-in heat exchanger to achieve the heating or cooling effect, generally, the indoor unit comprises a casing 100, a heat exchanger arranged in the casing 100 and connected with an outdoor unit of the air conditioner, and a fan used for sucking and pumping the indoor air, wherein when the indoor unit works, the fan rotates to suck the indoor air from an air inlet 110 on the casing 100, so that the indoor air is pumped out from an air outlet on the casing 100 after passing through the heat exchanger to exchange heat with the heat exchanger.

As shown in fig. 1 to fig. 22, an indoor unit of an air conditioner according to an embodiment of the present invention includes a casing 100, a filter assembly 200, a transmission mechanism 500, and a driving motor 400; the top side of the casing 100 is provided with an air inlet 110 and the front side is provided with a through hole 120; the filter assembly 200 is detachably mounted in the casing 100, the filter assembly 200 includes a base 210, a self-cleaning element 220 and a filter screen 230, the base 210 is detachably connected with the casing 100, the self-cleaning element 220 and the filter screen 230 are both mounted on the base 210, and the filter screen 230 covers the air inlet 110; the transmission mechanism 500 is installed on the base 210, and the transmission mechanism 500 is connected with the filter screen 230; the driving motor 400 is installed on the casing 100, and a power output end of the driving motor 400 is detachably connected with the transmission mechanism 500; the filter assembly 200 and the transmission mechanism 500 can be detached from the housing 100 through the through hole 120, and the driving motor 400 can drive the filter screen 230 to move along a predetermined track, so that different areas of the filter screen 230 are opposite to the self-cleaning element 220, and the self-cleaning element 220 can clean the area of the filter screen 230 opposite to the self-cleaning element 220.

In the air-conditioning indoor unit provided by this embodiment, after working for a period of time, the filter screen 230 has a lot of impurities attached thereto, and at this time, the air-conditioning indoor unit enters a self-cleaning process; meanwhile, the self-cleaning element 220 and the filter screen 230 relatively move, the self-cleaning element 220 and different areas of the filter screen 230 are oppositely arranged, and the areas of the filter screen 230 opposite to the self-cleaning element 220 are cleaned; when the filter screen 230 is used for a period of time, and the impurities attached to the filter screen 230 are more and difficult to be cleaned by the self-cleaning element 220, the base 210 and the housing 100 are disassembled, so that the filter screen 230 and the self-cleaning element 220 mounted on the base 210 are disassembled from the housing 100 along with the base 210, and then, a user can thoroughly clean the disassembled filter assembly 200; meanwhile, since the driving mechanism 500 is connected to the filter screen 230, the driving mechanism 500 can be detached from the cabinet 100 together with the filter screen 230; the power output end of the driving motor 400 is detachably connected to the transmission mechanism 500, so that the power output end of the driving motor 400 is disconnected from the transmission mechanism 500 before the base 210 is detached from the housing 100, so that the driving motor 400 is not detached from the transmission mechanism 500 when the transmission mechanism 500 is detached from the housing 100 along with the filter screen 230.

Based on the above working process, the user can detach the filter assembly 200 without contacting the driving motor 400 and thoroughly clean the filter assembly 200, during which the driving motor 400 as a power-on member does not cause a safety accident. Meanwhile, the driving motor 400 as a power-on component can be installed and hidden in the casing 100, and can be well protected from being damaged by external action.

In some embodiments, referring to fig. 6, 8, and 9, the filter assembly 200 further includes a first spool 240 and a second spool 250; the first reel 240 extends left and right and is rotatably mounted on the base 210; the second roller 250 extends left and right and is rotatably mounted on the base 210, and the second roller 250 is spaced from the first roller 240; one end of the filter screen 230 is connected to the first reel 240, the other end is connected to the second reel 250, the filter screen 230 is tensioned between the first reel 240 and the second reel 250, the transmission mechanism 500 is connected to the first reel 240 and the second reel 250, and the driving motor 400 can drive the first reel 240 and the second reel 250 to rotate so as to tension the filter screen 230. In this embodiment, the driving motor 400 drives the first reel 240 and the second reel 250 to rotate through the transmission mechanism 500, so that the filter screen 230 is wound and unwound on the first reel 240 and the second reel 250, and is moved relative to the self-cleaning element 220, and the filter screen 230 can be always tensioned and can be stably moved relative to the self-cleaning element 220.

Alternatively, in some embodiments, referring to fig. 6, 8 and 9, the first spool 240 includes a first portion 241 and a second portion 242 that are detachably connected, and the second spool 250 includes a third portion 251 and a fourth portion 252 that are detachably connected; one end of the screen 230 is clamped between the first portion 241 and the second portion 242 and the other end of the screen 230 is clamped between the third portion 251 and the fourth portion 252. In this embodiment, the first reel 240 and the second reel 250 are both configured as a two-part structure, and the two ends of the filter screen 230 are fixed on the first reel 240 and the second reel 250 by clamping, so as to ensure that the filter screen 230 can be stably connected to the first reel 240 and the second reel 250, respectively.

Optionally, in some embodiments, referring to fig. 6, 8 and 9, each of the first portion 241, the second portion 242, the third portion 251 and the fourth portion 252 is a strip-shaped structure extending in the left-right direction and having an arc-shaped cross section. In this embodiment, the outer side surfaces of the first portion 241, the second portion 242, the third portion 251 and the fourth portion 252 are smooth, so that the filter screen 230 can be conveniently wound and unwound on the first winding shaft 240 and the second winding shaft 250.

Optionally, in some embodiments, please refer to fig. 6, 8 and 9, a first seat 243 is disposed on an inner side surface of the first portion 241, a second seat 244 is disposed on an inner side surface of the second portion 242, and the first seat 243 and the second seat 244 are connected by a snap-fit connection so that the first portion 241 and the second portion 242 can be detachably connected; the inner side surface of the third portion 251 is provided with a third seat 253, the inner side surface of the fourth portion 252 is provided with a fourth seat 254, and the third seat 253 and the fourth seat 254 are connected in a buckling mode so that the third portion 251 and the fourth portion 252 can be detachably connected. In this embodiment, the first portion 241 and the second portion 242 are connected by a snap, and the third portion 251 and the fourth portion 252 are connected by a snap, so that the filter screen 230 can be taken out for thorough cleaning.

In some embodiments, referring to fig. 2, 6, 7, 8 and 17, the front side of the casing 100 is provided with a mounting groove 130, and the base 210 includes a mounting portion 211 and a bracket 212; the mounting part 211 is arranged in the mounting groove 130, the mounting cavity 213 is arranged in the mounting part 211, the self-cleaning piece 220, the first reel 240 and the second reel 250 are all arranged in the mounting cavity 213, and the transmission mechanism 500 is arranged outside the mounting part 211; the bracket 212 extends along the front-back direction, the front side of the bracket 212 is connected with the mounting part 211, the bracket 212 is arranged in the through hole 120 in a penetrating way, and the filter screen 230 is wound on the periphery of the bracket 212; the driving motor 400 rotates to drive the first winding shaft 240 and the second winding shaft 250 to rotate in opposite directions. In this embodiment, the mounting part 211 is disposed in the mounting groove 130, the bracket 212 extends to the rear side through the through hole 120, when the filter assembly 200 is disassembled, since the mounting part 211 integrated with the first reel 240, the second reel 250 and the self-cleaning element 220 is disposed in the mounting groove 130, a user can directly take out the mounting part 211 from the mounting groove 130, and the bracket 212 and the filter screen 230 pass through the through hole 120 to be separated from the housing 100 along with the taking out of the mounting part 211; similarly, when the filter assembly 200 is installed, a user may directly install the installation part 211 into the installation groove 130, and the bracket 212 and the filter screen 230 may pass through the through hole 120 to be disposed inside the cabinet 100 as the installation part 211 is installed; thus, the present embodiment integrates the first reel 240, the second reel 250, and the self-cleaning member 220 on the mounting part 211, and mounts the mounting part 211 on the mounting groove 130 at the front side of the cabinet 100, so that the taking out and mounting of the filter assembly 200 are more convenient.

In some embodiments, referring to fig. 5, 6, 7, 8, 15, 16, 18 and 19, the power output end of the driving motor 400 is provided with a driving gear 410, and the transmission mechanism 500 includes a first driven gear 510 and a second driven gear 520; a first driven gear 510 is installed at one end of the first bobbin 240, the first driven gear 510 being engaged with the driving gear 410; a second driven gear 520 is installed at one end of the second reel 250, and the second driven gear 520 is engaged with the first driven gear 510. In this embodiment, during the self-cleaning process, the driving motor 400 operates, the driving gear 410 on the power output end drives the first driven gear 510 to rotate, and further drives the first reel 240 to rotate, and at the same time, the first driven gear 510 also drives the second driven gear 520 engaged with the first driven gear to rotate, and further drives the second reel 250 to rotate, so that under the effect of the first reel 240 and the second reel 250, the filter screen 230 tensioned between the first reel 240 and the second reel 250 moves along a predetermined track, so that different areas on the filter screen 230 are opposite to the self-cleaning element 220 in sequence, and the self-cleaning element 220 cleans the filter screen 230 in different areas.

In some embodiments, referring to fig. 15, 16 and 17, the outer side of the mounting portion 211 is provided with a receiving cavity 214, and the first driven gear 510 and the second driven gear 520 are both mounted in the receiving cavity 214. In this embodiment, by the arrangement of the accommodating cavity 214, the first driven gear 510, the second driven gear 520, the intermediate gear 540 and the third driven gear 530 are well protected and hidden, so that the wiring and the damage to other components caused by the running components are facilitated.

Alternatively, in some embodiments, referring to fig. 18 and 19, the first driven gear 510 is provided with a first prism 511 at the middle portion thereof, the end portion of the first reel 240 is provided with a first hole adapted to the first prism 511, and the first prism 511 passes through the mounting portion 211 and is inserted into the first hole; a second prism 521 is arranged in the middle of the second driven gear 520, a second hole matched with the second prism 521 is arranged at the end of the second reel 250, and the second prism 521 passes through the mounting part 211 and is inserted into the second hole; a third prism 531 is disposed in the middle of the third driven gear 530, a third hole adapted to the third prism 531 is disposed on an end of the roll brush, and the third prism 531 passes through the mounting portion 211 and is inserted into the third hole. In this embodiment, the first driven gear 510, the second driven gear 520, and the third driven gear 530 are respectively connected to the first reel 240, the second reel 250, and the roll brush in correspondence with each other by the arrangement of the first prism 511, the first hole, the second prism 521, the second hole, the third prism 531, and the third hole, and the driving effect is stable.

Optionally, in some embodiments, referring to fig. 1, fig. 2, fig. 10, fig. 15 and fig. 20, the number of the air inlets 110 and the number of the filter assemblies 200 are respectively multiple and correspond to each other one by one, so as to increase the air inlet amount and the air outlet amount of the indoor unit of the air conditioner in this embodiment, and further improve the cooling or heating effect.

Alternatively, in one embodiment, the number of the driving motors 400 and the transmission mechanisms 500 is plural, and each driving motor 400 is connected to the filter assemblies 200 through the corresponding transmission mechanism 500, so that each filter assembly 200 can be individually driven to perform the self-cleaning process. Optionally, in another embodiment, as shown in fig. 18 and 19, the air conditioning indoor unit further includes at least one connecting rod 550 and a plurality of transmission mechanisms 500, the plurality of transmission mechanisms 500 are connected through the connecting rod 550, a power output end of the driving motor 400 is connected to the connecting rod 550, and the driving motor 400 can simultaneously drive the plurality of filter assemblies 200 to operate through the connecting rod 550 and the plurality of transmission mechanisms 500, thereby simplifying the complexity of the driving structure of the air conditioning indoor unit.

Optionally, in some embodiments, referring to fig. 17, a notch 215 is formed on a side wall of the accommodating cavity 214, a portion of the first driven gear 510 extends from the notch 215, and the driving gear 410 is engaged with the first driven gear 510 extending from the notch 215. In this embodiment, the driving gear 410 and the first driven gear 510 are engaged with each other by the notch 215, the detachable connection between the transmission mechanism 500 and the driving motor 400 is realized by the engagement between the first driven gear 510 and the driving gear 410, and when the detachable connection is performed, the first driven gear 510 is detached from the mounting portion 211 without affecting the driving gear 410.

Optionally, in some embodiments, the number of teeth of the first driven gear 510 and the second driven gear 520 are the same, so as to ensure that the rotation speeds of the first roller 240 and the second roller 250 are the same, and the filter screen 230 is always tensioned on the first roller 240 and the second roller 250.

In some embodiments, please refer to fig. 10, the indoor unit of the air conditioner further includes a limit block 160; a stopper 160 is rotatably installed on the front side of the cabinet 100 on the edge of the installation groove 130, the stopper 160 being capable of being rotatably switched between a locking position and an unlocking position; when the limiting block 160 is in the locking position, the limiting block 160 is at least partially located on the front side of the mounting portion 211 to prevent the mounting portion 211 from sliding out of the mounting slot 130; when the stopper 160 is in the unlocked position, the stopper 160 is on the outer side of the edge of the mounting slot 130 to enable the mounting portion 211 to slide forward out of engagement with the mounting slot 130. In this embodiment, during normal operation, the limiting block 160 is located at the locking position, so as to effectively prevent the mounting portion 211 from sliding out of the mounting groove 130; when the installation part 211 needs to be taken out, the limiting block 160 is rotated to the unlocking position, and the operation is convenient and fast.

Preferably, the number of the stopper 160 is plural.

In some embodiments, referring to fig. 5, 6, 7, 8, 20 and 21, the self-cleaning element 220 comprises a roller brush, which can brush away impurities attached to the filter screen 230; the filter assembly 200 further comprises a dust box 600, the dust box 600 being mounted on the base 210 below the drum brush to collect the impurities brushed off the filter screen 230. In the present embodiment, the dust attached to the filter screen 230 is removed by the provision of the roll brush, and collected in the dust collecting case 600.

Optionally, in some embodiments, referring to fig. 10 to 14, the bottom of the dust collecting box 600 is provided with a dust falling opening 620, and further includes a dust falling box 700 and a shifting piece 610; the front side of the casing 100 is further provided with a slot 150, the dust falling box 700 is inserted into the slot 150, the dust falling box 700 is located below the dust collecting box 600, the top of the dust falling box 700 is open and communicated to the dust falling port 620, and the poking piece 610 is slidably arranged in the dust collecting box 600 and can sweep the sundries in the dust collecting box 600 to the dust falling port 620. Accordingly, the filter screen 230 is cleaned by the roller brush, and the dust attached to the filter screen 230 is brushed away into the dust box 600 below. Specifically, the screen 230 can move relative to the roller brush such that the roller brush sequentially contacts each region of the screen 230 and brushes out the impurities attached to each region. After a period of time, a user can drive the poking piece 610 to move in the dust collection box 600 to clean the sundries in the dust collection box 600 to the dust falling opening 620, so that the sundries in the dust collection box 600 can fall from the dust falling opening 620 and be concentrated in the dust falling box 700, and at the moment, the user can take the dust falling box 700 out of the slot 150 and clean the dust falling box 700, and the cleaning and maintenance of the indoor unit of the air conditioner can be completed. Based on the working process, when cleaning and maintaining, a user only needs to utilize the poking piece 610 to concentrate sundries in the dust falling box 700, take out the dust falling box 700 from the slot 150 and clean the dust falling box 700, the disassembly and the cleaning are simple and rapid, and the cleaning and the maintenance of the indoor unit of the air conditioner are convenient.

Optionally, in some embodiments, referring to fig. 2, fig. 3, and fig. 10 to fig. 14, the slot 150 has a first sidewall 151 and a second sidewall 152 disposed at an interval along the left-right direction, the first sidewall 151 is provided with a first engaging groove 153, and the second sidewall 152 is provided with a second engaging groove 154; the ash falling box 700 is provided with a first clamping block 710 and a second clamping block 720 which are arranged at intervals along the left-right direction, the first clamping block 710 is inserted into the first clamping groove 153, and the second clamping block 720 is inserted into the second clamping groove 154. In this embodiment, the ash falling box 700 is detachably mounted in the slot 150 through the cooperation of the first clamping block 710 and the first clamping groove 153 and the cooperation of the second clamping block 720 and the second clamping groove 154, and when the ash falling box is detached, the first clamping block 710 is driven to be away from the first side wall 151, and the second clamping block 720 is driven to be away from the second side wall 152, so that the detachment can be realized, and the operation is convenient.

Optionally, in some embodiments, please refer to fig. 10 to 14, further comprising a sliding seat 900 and a holding seat 800; the sliding seat 900 is slidably disposed in the dust collecting box 600 and can be slidably switched between a first position and a second position which are spaced from each other in the left-right direction; the holding base 800 is slidably disposed at the front side of the dust collecting box 600 and has a connecting part rotatably connected with the pulling piece 610; wherein, the shifting piece 610 is rotatably connected to the sliding seat 900 and can be rotationally switched between a first angle and a second angle around a rotating shaft extending back and forth; when the shifting piece 610 is at the first angle, the shifting piece 610 is transversely sealed in the dust collection box 600, and the shifting piece 610 abuts against the bottom wall of the dust collection box 600; when the shifting piece 610 is at the second angle, the shifting piece 610 is upwards recovered to avoid the bottom space of the dust collection box 600; the grip 800 slides to drive the shifting piece 610 to rotate to a first angle or a second angle. In this embodiment, when the sundries in the dust collecting box 600 need to be collected, the pulling piece 610 is driven to rotate to a first angle by holding the holder 800, and the sliding seat 900 is driven to slide from a first position to a second position by the pulling piece 610, so that the pulling piece 610 transversely blocked in the dust collecting box 600 cleans and collects the sundries in the dust collecting box 600 to the second position; then, the pulling piece 610 is driven to rotate to a second angle by the holding part, and the sliding seat 900 is driven to slide from the second position to the first position by the pulling piece 610, at this time, the pulling piece 610 is upwards recovered, and the sundries at the bottom of the dust collecting box 600 cannot be brought back to the first position; therefore, the shifting piece 610 is driven to move repeatedly, so that the sundries in the dust collection box 600 are collected to the second position, and when the dust collection box 600 is cleaned, the sundries collected to the second position are cleaned. Therefore, the sundries scattered in the dust collection box 600 can be concentrated on the same position through the arrangement of the holding seat 800, the shifting sheet 610 and the sliding seat 900, the subsequent cleaning of the dust collection box 600 is facilitated, and the cleaning and maintenance of the indoor unit of the air conditioner are convenient and fast.

Optionally, in some embodiments, please refer to fig. 5, 6, 7, 8, 20 and 21, further comprising a cleaning brush 260; the roll brush has a first brush 221 for brushing the alien substances attached to the filter screen 230 into the dust collection case 600, the cleaning brush 260 is disposed in the dust collection case 600 and for brushing the alien substances attached to the roll brush into the dust collection case 600, and the cleaning brush 260 has a second brush 261 inserted into the roll brush. In this embodiment, when the dust box is cleaned by itself, some of the impurities may be attached to the first brush 221 of the rolling brush, and at this time, the impurities attached to the first brush 221 may be brushed away into the dust box 600 by the second brush 261 of the cleaning brush 260, so that the first brush 221 may contact and clean the filter screen 230 without attaching impurities. Based on the above working process, under the action of the rolling brush and the cleaning brush 260, after the rolling brush brushes the sundries on the filter screen 230, the sundries attached to the rolling brush can be brushed to the dust collection box 600 by the cleaning brush 260, that is, the attached sundries on the rolling brush cannot return to the filter screen 230 again, and the self-cleaning effect of the filter screen 230 is ensured.

In some embodiments, referring to fig. 5 to 8 and fig. 15 to 21, the transmission mechanism 500 is further connected to the roller brush, the driving gear 410 is disposed on the power output end of the driving motor 400, the transmission mechanism 500 includes a third driven gear 530, the third driven gear 530 is mounted at one end of the roller brush, and the third driven gear 530 is connected to the driving gear 410. In this embodiment, the middle gear 540 and the third driven gear 530 are provided, so that the driving motor 400 can drive the roller brush to rotate in the direction opposite to the direction of the filter screen 230, thereby achieving a good brushing effect on the filter screen 230 and further simplifying the driving structure of the indoor unit of the air conditioner.

In some embodiments, please refer to fig. 1 to 6, further comprising a panel 300; the panel 300 is detachably coupled to the front side of the cabinet 100 to block the through-hole 120. In the present embodiment, when the air-conditioning indoor unit is normally used, the panel 300 is covered on the front side of the casing 100 to coordinate the appearance of the air-conditioning indoor unit; when the filter assembly 200 needs to be disassembled and cleaned, the panel 300 needs to be disassembled from the front side of the housing 100, and then the filter assembly 200 needs to be disassembled from the housing 100 through the through hole 120.

Optionally, in some embodiments, referring to fig. 1 to 6, a first matching portion 310 is disposed on an inner side surface of the panel 300, a second matching portion 140 is disposed on a front side of the casing 100, and the first matching portion 310 and the second matching portion 140 are connected by a snap-fit connection, so that the panel 300 is detachably connected to the front side of the casing 100. In this embodiment, the panel 300 and the housing 100 are connected by a snap, so that the panel 300 can be conveniently detached and installed.

Alternatively, in some embodiments, referring to fig. 22, the filter screen 230 includes a filtering area 231 and a blocking area 232 connected in sequence, the filtering area 231 is used for filtering the air entering from the air inlet 110, and the blocking area 232 is used for blocking the air entering from the air inlet 110 from entering into the enclosure 100; wherein, when the filter screen 230 moves along a predetermined track, it can move between a filtering position and a blocking position, and when the filter screen 230 is at the filtering position, the filtering area 231 covers the air inlet 110; when the filter screen 230 is in the blocking position, the blocking area 232 covers the intake vent 110. In this embodiment, when the indoor unit of the air conditioner is in normal operation, the filter screen 230 is located at the filtering position, and the filtering area 231 covers the air inlet 110 and performs a normal filtering function; when the indoor unit of the air conditioner is stopped, the filter screen 230 moves from the filtering position to the blocking position, the blocking area 232 covers the air inlet 110, and air and dust are blocked by the blocking area 232, so that dust is prevented from entering the inside of the casing 100. It can be understood that the filtering area 231 is an area provided with a plurality of through holes with smaller apertures, and air can enter the interior of the cabinet through the plurality of through holes on the filtering area 231, but impurities such as large-particle dust in the air cannot pass through the through holes, thereby performing a function of filtering the air conventionally. The blocked area 232 is an area without through holes through which air and dust cannot pass. Based on the above working process, when the air-conditioning indoor unit of the embodiment is stopped, air and dust cannot penetrate through the blocking area 232 of the filter screen 230, so that impurities such as dust and the like are reduced and enter the casing 100 through the air inlet 110 and are attached to the heat exchanger or the fan, the interior of the indoor unit is cleaner, and the cooling or heating effect of the air-conditioning indoor unit is improved.

Alternatively, in some embodiments, referring to fig. 22, the blocking area 232 is made of a plastic film, and a hot-melt area for connecting the blocking area 232 and the filtering area 231 is disposed between the blocking area 232 and the filtering area 231.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An indoor unit of an air conditioner, comprising:

the filter assembly is detachably arranged in the shell and comprises a base, a self-cleaning piece and a filter screen, the base is detachably connected with the shell, the self-cleaning piece and the filter screen are both arranged on the base, and the filter screen covers the air inlet;

2. An indoor unit of an air conditioner according to claim 1, wherein the filter assembly further comprises:

a first reel extending right and left and rotatably mounted on the base; and

3. An indoor unit of an air conditioner according to claim 2, wherein a mounting groove is opened at a front side of the cabinet, and the base includes:

the self-cleaning part, the first reel and the second reel are all arranged in the mounting cavity, and the transmission mechanism is arranged on the outer side of the mounting part; and

4. An indoor unit of an air conditioner according to claim 3, wherein a driving gear is provided at a power output end of the driving motor, and the transmission mechanism includes:

5. An indoor unit of an air conditioner according to claim 4, wherein a receiving chamber is provided outside the mounting portion, and the first driven gear and the second driven gear are both mounted in the receiving chamber.

6. An indoor unit of an air conditioner according to claim 1, wherein the self-cleaning member includes a rolling brush capable of brushing off foreign matters attached to the filter screen, and a slot is further formed in the front side of the casing;

the filter assembly further comprises:

the ash falling box is inserted into the inserting groove and is positioned below the dust collecting box, the top of the ash falling box is opened and communicated to the ash falling port, and

7. An indoor unit of an air conditioner as claimed in claim 6, wherein the transmission mechanism is further connected to the roller brush, a driving gear is provided on a power output end of the driving motor, and the transmission mechanism comprises:

8. An indoor unit of an air conditioner according to claim 6, further comprising:

the sliding seat is arranged in the dust collection box in a sliding manner and can be switched between a first position and a second position which are arranged at intervals at the left and the right in a sliding manner; and

9. An indoor unit of an air conditioner according to claim 6, wherein the roller brush has a first brush for brushing foreign matters attached to the filter screen out into the dust box;

the air-conditioning indoor unit further comprises:

10. The indoor unit of claim 1, wherein the filter screen comprises a filter area and a blocking area, the filter area and the blocking area are sequentially connected, the filter area is used for filtering air entering from the air inlet, and the blocking area is used for blocking the air entering from the air inlet from entering the casing;

when the filter screen moves along a preset track, the filter screen can move between a filtering position and a blocking position, and when the filter screen is located at the filtering position, the filtering area covers the air inlet; when the filter screen is in the shutoff position, the shutoff region covers the air intake.