CN217482880U

CN217482880U - Air conditioner indoor unit

Info

Publication number: CN217482880U
Application number: CN202221578454.3U
Authority: CN
Inventors: 申亮; 陈正忠; 郭华锋; 黄民柱; 李德鹏
Original assignee: Hisense Guangdong Air Conditioning Co Ltd
Current assignee: Hisense Guangdong Air Conditioning Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-23
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses an indoor unit of air conditioner, including shell, filter unit and dust collection box, the top of shell is equipped with the air intake, filter unit locates in the shell and cover the air intake, filter unit includes the support and locates filter screen on the support, dust collection box locates the front side of support, it includes box body and sealed lid, the box body has the dust collection chamber, the top of box body be equipped with communicate to the dust collection chamber enter the dirt mouth, the filter screen is located enter the top of dirt mouth, the left side wall or the right side wall of box body be equipped with communicate to the assembly mouth in dust collection chamber, sealed lid is located on the left side wall or the right side wall of box body and with box body fixed connection, sealed lid is used for closing the assembly mouth.

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 air inlet of the existing wall-mounted air conditioner indoor unit is provided with a filter screen, and the filter screen is used for filtering air sucked into the indoor unit, so that the indoor air quality is improved, and the normal operation of the indoor unit is ensured. In order to avoid secondary pollution of dust on the filter screen to indoor air, a user needs to clean the dust on the filter screen regularly, but the filter screen needs to be manually detached before cleaning, and the process is complicated.

Therefore, the rotatable rolling brush is arranged inside the existing part of indoor units, the rolling brush is driven to reciprocate along a preset path so as to be in contact with the filter screen, the rolling brush is used for automatically cleaning dust on the surface of the filter screen and then uniformly collecting the dust, the automatic cleaning of the dust on the surface of the filter screen is realized, and the operation is intelligent and convenient. The front side part of the indoor unit is provided with a detachable dust collecting box which is used for collecting dust under the rolling brush, and then the rolling brush and the dust collecting box are placed outdoors together for dust removal. However, the structure of the dust collecting box in the prior art is complex, so that the dust in the dust collecting box and the dust on the rolling brush are difficult to be thoroughly cleaned, and the cleaning efficiency of the dust on the filter screen can be reduced after the dust collecting box is used for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an indoor unit of air conditioner, its dust collecting box's simple structure is compact, can show the discharge efficiency and the discharge effect that improve the dust in the dust collecting box, and then improves the cleaning efficiency of dust, promotes user's use and experiences.

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

the top of the shell is provided with an air inlet;

the filter screen device is arranged in the shell and covers the air inlet, and comprises a support and a filter screen arranged on the support;

a dust collection box disposed at a front side of the bracket, the dust collection box including:

the box body is provided with a dust collecting cavity, the top of the box body is provided with a dust inlet communicated to the dust collecting cavity, the filter screen is positioned above the dust inlet, and the left side wall or the right side wall of the box body is provided with an assembly port communicated to the dust collecting cavity;

the sealing cover is arranged on the left side wall or the right side wall of the box body and fixedly connected with the box body, and the sealing cover is used for closing the assembling opening.

In some embodiments of this application, sealed lid includes lid and pterygoid lamina, the pterygoid lamina is located the left side or the right side of lid and perpendicular to the lid, be equipped with the installation frame on lateral wall before the box body or the back lateral wall, the size of installation frame with the pterygoid lamina phase-match, sealed lid is closed when the assembly opening the pterygoid lamina inserts in the installation frame.

In some embodiments of this application, the pterygoid lamina is equipped with two, two the pterygoid lamina is located respectively the left side and the right side of lid and all with the lid is established as an organic wholely, the preceding lateral wall and the back lateral wall of box body all are equipped with the installation frame, the pterygoid lamina with the installation frame one-to-one.

In some embodiments of this application, the top of pterygoid lamina is equipped with first spacing block process, the top of installation frame is equipped with first spacing groove, sealed lid is closed when the assembly opening first spacing block process card is gone into in the first spacing groove.

In some embodiments of this application, first spacing block suddenly is equipped with two, two first limiting plate is located two respectively the top of pterygoid lamina, first spacing groove is equipped with two, two the spacing groove is located respectively lateral wall before the box body the installation frame reaches lateral wall behind the box body on the installation frame.

In some embodiments of this application, the bottom of pterygoid lamina is equipped with the spacing block process of second, the bottom of installation frame is equipped with the second spacing groove, sealed lid is closed when the assembly opening the spacing block process of second card is gone into in the second spacing groove.

In some embodiments of this application, the spacing stuck process of second is equipped with two, two the spacing stuck process of second is located two respectively the bottom of pterygoid lamina, the second spacing groove is equipped with two, two the second spacing groove is located respectively lateral wall before the box body the installation frame reaches lateral wall behind the box body on the installation frame.

In some embodiments of the present application, the left side edge and/or the right side edge of the bottom of the box body is provided with a plurality of water outlet holes.

In some embodiments of this application, still include the round brush, the round brush is located collect the dirt intracavity, the box body with sealed lid has seted up the commentaries on classics hole respectively, the both ends one-to-one of round brush rotates and wears to locate each in the commentaries on classics hole, the round brush with filter screen rolling contact is in order to clean the filter screen.

In some embodiments of the present application, a mounting groove for mounting the dust collecting box is formed on the front side of the bracket;

the air-conditioning indoor unit further comprises:

the driving device is arranged outside one side of the bracket, a power output end of the driving device is provided with a socket, and one end of the rolling brush is slidably inserted into the socket and can rotate along with the power output end of the driving device so as to clean the filter screen;

the bolt piece is used for realizing the detachable connection of the dust collection box and the bracket;

when the bolt piece releases the connection between the dust collection box and the support, the dust collection box can slide towards one end close to the dismounting gap along the axial direction of the rolling brush, and then the rolling brush is driven to slide, so that the rolling brush slides out from the socket.

Compared with the prior art, the utility model, a machine in air conditioning, its beneficial effect lies in:

locate the front side of support with the dust collection box during the use, the side of box body is located and the assembly mouth is closed to sealed lid, form integral non-detachable structure behind sealed lid and the box body fixed connection, the dust that sweeps on the filter screen gets into the dust collection chamber and finally subsides and store in the box body from the air intake at box body top, take off the dust collection box and place outdoors when the dust in the box body needs to be cleared up, adopt high-pressure rivers or high-pressure strong wind to wash the box body and make the dust break away from the box body, can realize the clearance to the box body dust, of course adopt high-pressure rivers to wash the box body after need dry the box body. The dust collecting box is simple and reliable in structure, and can effectively improve the cleaning efficiency of dust.

Drawings

Fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to some embodiments of the present invention;

fig. 2 is a schematic structural view of an indoor unit of an air conditioner according to some embodiments of the present invention, in which an end plate of a casing is omitted;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is an exploded schematic view of FIG. 2;

fig. 6 is a schematic structural view of a filter screen device, a dust removing device and a driving device according to some embodiments of the present invention;

FIG. 7 is a schematic view of the structure of FIG. 6 from another perspective;

FIG. 8 is a left side view of FIG. 6;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8;

FIG. 10 is a schematic view of the bracket of FIG. 6 with the illustration omitted;

FIG. 11 is a front view of FIG. 10;

FIG. 12 is a cross-sectional view taken along line C-C of FIG. 11;

FIG. 13 is an exploded schematic view of FIG. 10;

fig. 14 is an exploded schematic view of a drive arrangement according to some embodiments of the present invention;

fig. 15 is a schematic structural view of a stent according to some embodiments of the present invention;

FIG. 16 is a front view of FIG. 15;

FIG. 17 is a cross-sectional view taken along line D-D of FIG. 16;

fig. 18 is a schematic structural view of a filter screen according to some embodiments of the present invention;

fig. 19 is an enlarged view of portion E of fig. 18;

fig. 20 is a schematic structural view of a dust removing apparatus according to some embodiments of the present invention;

fig. 21 is a schematic structural view of a cartridge body according to some embodiments of the present invention;

figure 22 is a structural illustration of a sealing cap according to some embodiments of the present invention;

fig. 23 is a detail view at a in fig. 20.

In the figure, the position of the upper end of the main shaft,

1. a housing; 11. an air inlet; 12. a front panel; 121. an installation port; 13. a top plate; 14. an end plate; 15. a bolt groove;

2. a strainer device; 21. a support; 211. a containing groove; 212. a vent; 213. a slideway; 2131. a first chute; 2131a, a first arc segment; 2131b, a first horizontal segment; 2132. a second chute; 2132a, a second arc segment; 2132b, a third arc segment; 2132c and a second horizontal segment; 214. mounting grooves; 215. a first support bar; 216. a second support bar; 22. a filter screen; 221. a net frame; 2211. a hollow-out section; 2212. a rack portion; 2213. a flange; 2214. a notch; 2215. a first support bar; 2216. a second supporting strip; 2216a, support protrusions; 2217. reinforcing the tooth portions; 2218. inserting the projection; 222. filtering with a screen; 23. a roller; 231. a second rotating shaft; 232. a cylinder body; 233. a gear;

3. a dust removal device; 31. a dust collecting box; 311. a box body; 3111. a dust inlet; 3112. an assembly port; 3113. a mounting frame; 3113a, a first limiting groove; 3113b, a second limiting groove; 312. a sealing cover; 3121. a cover body; 3122. a wing plate; 3123. a first limit clamping protrusion; 3124. a second limit clamping protrusion; 32. rolling and brushing; 321. a first rotating shaft; 3211. an insertion part; 3211a, a limit protrusion; 322. a roller brush cylinder;

4. a drive device; 41. a motor; 42. a driving gear; 43. a first driven gear; 431. a socket; 44. a second driven gear; 45. a protective shell; 451. a bottom case; 452. a shell cover;

5. a bolt member;

6. a cross-flow fan;

7. a heat exchanger;

8. and (6) disassembling and assembling the gap.

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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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 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.

Referring to fig. 1-23, an indoor unit of an air conditioner according to an embodiment of the present invention includes a casing 1, a filter screen device 2, a dust removing device 3, a driving device 4, and a bolt 5. Wherein, the utility model discloses machine in air conditioning is wall-hanging machine in air conditioning, and the profile of shell 1 is long three-dimensional form roughly, and the length of shell 1 all is greater than its height or width promptly.

Referring to fig. 1-5, a cavity for accommodating a cross-flow fan 6 and a heat exchanger 7 of an indoor unit of an air conditioner is formed in a casing 1, an air inlet 11 is formed in the top of the casing 1, and an air outlet (not shown) is formed in the bottom of the front side of the casing 1, so that when the cross-flow fan 6 operates, indoor air is sucked into the cavity through the air inlet 11 in the top of the casing 1, and is subjected to heat exchange by the heat exchanger 7 to form cold air or hot air, and then flows back to the room from the air outlet. Specifically, the housing 1 includes a front panel 12, a top plate 13, a back plate (not shown), a bottom plate (not shown), and two end plates 14 respectively located at left and right sides of the front panel 12, the top plate 13, the back plate, the bottom plate, and the two end plates 14 jointly enclose a chamber, the air inlet 11 is located on the top plate 13, the air inlet 11 is substantially square, the number of the air inlet 11 is two, and the two air inlets 11 are spaced in the left-right direction. Meanwhile, each air inlet 11 is provided with an air inlet grille for preventing large objects from entering the inside of the housing 1 from the air inlet 11. The air outlet is arranged on the bottom plate, and a rotatable air deflector (not shown in the figure) is arranged at the air outlet and used for adjusting the air outlet direction so as to meet the use requirements of users. The front panel 12 is provided with two mounting ports 121 communicated to the chamber, and the positions of the mounting ports 121 correspond to the positions of the air inlets 11 one by one.

The filter screen device 2 is arranged in the cavity of the shell 1 and covers the air inlet 11. Referring to fig. 6-13 and 15-19, the screen device 2 includes a frame 21, a screen 22 and a roller 23.

Referring to fig. 4-8 and 15-17, the rear side of the bracket 21 is concave in an arc shape, and the cross-flow fan 6 and the heat exchanger 7 of the indoor unit of the air conditioner are uniformly arranged on the rear side of the bracket 21. The rear side of the bracket 21 is provided with a containing groove 211, the top of the bracket 21 is provided with a vent 212 corresponding to the position of the air inlet 11, the vent 212 is communicated to the containing groove 211, and the air volume sucked from the air inlet 11 sequentially passes through the vent 212 and the containing groove 211 and then is sent out from the air outlet. The left and right inner side walls of the accommodation groove 211 are respectively provided with a slide way 213, and the two slide ways 213 are oppositely arranged. The left and right sides of the filter screen 22 are correspondingly arranged in the slide ways 213, and the rollers 23 are arranged in the accommodating grooves 211 to drive the filter screen 22 to reciprocate along the slide ways 213.

It should be noted that the embodiment of the present invention provides a front side of an air conditioner indoor unit near a user, and a rear side of the air conditioner indoor unit away from the user, so that the front and rear direction of the air conditioner indoor unit extends from a side near the user to a side away from the user. The upper side is the position of the air-conditioning indoor unit, which is away from the ground, and the lower side is the position of the air-conditioning indoor unit, which is close to the ground, so that the vertical direction is the direction from one side of the air conditioner, which is far away from the ground, to one side of the air conditioner, which is close to the ground.

Specifically, referring to fig. 4 and 17, the chute 213 includes a first chute 2131 and a second chute 2132 which are sequentially arranged in the up-down direction, the front end of the first chute 2131 includes a first arc-shaped section 2131a which is bent upward, the front end of the second chute 2132 includes a second arc-shaped section 2132a and a third arc-shaped section 2132b which are arranged in the front-back direction, the second arc-shaped section 2132a is bent downward, the third arc-shaped section 2132b is bent upward, the first arc-shaped section 2131a, the second arc-shaped section 2132a and the third arc-shaped section 2132b are sequentially communicated, and by optimizing the movement track of the chute 213, the movement space of the filter screen 22 in the accommodating groove 211 is reduced, so that a heat exchanger 7 with a larger volume can be assembled, the volume of the heat exchanger 7 is effectively increased, and the heat exchange effect is increased. The front side of the bracket 21 is provided with a mounting groove 214, and the rear side of the mounting groove 214 is communicated with the receiving groove 211.

The first sliding groove 2131 further includes a first horizontal segment 2131b disposed at the rear end of the first arc segment 2131a, the second sliding groove 2132 further includes a second horizontal segment 2132c disposed at the rear end of the third arc segment 2132b, and the first horizontal segment 2131b and the second horizontal segment 2132c extend to the rear side wall of the housing 1 respectively and are spaced in the up-down direction. When the air conditioner indoor unit is in a refrigerating state or a heating state, the filter screen 22 is located in the first sliding groove 2131, the distance between the filter screen 22 and the heat exchanger 7 is large, the heat exchange space is enlarged, and the heat exchange effect is improved. When the indoor unit of the air conditioner is in a dust removing state, the filter screen 22 slides into the second sliding groove 2132 from the first sliding groove 2131 or slides into the first sliding groove 2131 from the second sliding groove 2132, and the dust removing device 3 cleans dust on the surface of the filter screen 22.

Further, the heat exchanger 7 is located at the rear side of the notch of the accommodating groove 211, the outer side of the heat exchanger 7 is bent upwards, and the top of the heat exchanger 7 is arranged close to the third arc-shaped section 2132b and the second horizontal section 2132c, so that the installation space in the shell 1 is fully utilized, and the heat exchange area of the heat exchanger 7 is increased. Wherein, the utility model discloses a heat exchanger 7 is the same with the heat exchanger 7 structure of the air conditioning indoor set in the prior art, and the omission here is repeated.

The first sliding groove 2131 is disposed near the ventilation opening 212, and the upper side wall of the first horizontal segment 2131b and the upper side wall of the rear end of the first arc-shaped segment 2131a respectively penetrate the top of the bracket 21, so that the filter screen 22 is sequentially inserted into the first sliding groove 2131 from the rear end of the air inlet 11 and the rear end of the ventilation opening 212, and the filter screen 22 is detachably assembled into the sliding channel 213.

A plurality of first support rods 215 and a plurality of second support rods 216 are disposed on the bracket 21, two ends of each first support rod 215 are respectively connected to the left and right inner side walls of the receiving groove 211, and the plurality of first support rods 215 are sequentially disposed at intervals along the lower side edge of the first sliding groove 2131; two ends of each second support rod 216 are respectively connected to the left and right inner side walls of the accommodating groove 211, and the plurality of second support rods 216 are sequentially arranged at intervals along the lower side edge of the second sliding groove 2132. When the filter screen 22 slides in the first sliding groove 2131, the first supporting rod 215 supports the bottom of the filter screen 22, so that the middle part of the filter screen 22 is prevented from being deformed due to gravity, and the sliding smoothness of the filter screen 22 in the first sliding groove 2131 is improved; on the same principle, when the filter screen 22 slides in the second sliding groove 2132, the second supporting rod 216 supports the bottom of the filter screen 22, so as to prevent the middle of the filter screen 22 from deforming due to gravity, and improve the sliding smoothness of the filter screen 22 in the second sliding groove 2132.

The bracket 21 can be a plastic integrated piece prepared by an injection molding process, and the preparation process is simple and convenient and has high preparation efficiency.

Referring to fig. 18-19, the filter screen 22 includes a rack 221 and a filter screen 222, a hollow portion 2211 is formed in a central region of the rack 221, rack portions 2212 are respectively formed on the rack 221 along left and right edges of the hollow portion 2211, the left and right edges of the rack 221 respectively extend outward to form flanges 2213, each flange 2213 is provided with a plurality of notches 2214 sequentially arranged at intervals in the vertical direction, and the notches 2214 on the flanges 2213 on the left and right sides of the rack 221 are in one-to-one correspondence; the filter screen 222 is disposed on the net frame 221 and covers the hollow portion 2211; the left and right sides of the net rack 221 are respectively arranged in the slide ways 213, and the roller 23 is matched with the net rack 221 to drive the filter screen 22 to reciprocate along the slide ways 213. When the net rack 221 slides back and forth between the first arc-shaped section 2131a and the second arc-shaped section 2132a, the edges of the two sides of the net rack 221 can elastically deform along the gap 2214, so as to increase the inward force of the net rack 221, thereby improving the overall flexibility of the filter screen 22 and reducing the sliding resistance of the filter screen 22, so that the filter screen 22 can slide back and forth between the first arc-shaped section 2131a and the second arc-shaped section 2132a more smoothly.

In order to ensure the smoothness of the filter net 22 sliding between the first arc-shaped section 2131a and the second arc-shaped section 2132a, the net rack 221 is made of soft plastic by injection molding, meanwhile, in the injection molding process, the filter net 222 is attached to the net rack 221 to form an integrated structure, and the net rack 221 and the filter net 222 form an integrated structure by the injection molding process, so that the overall firmness of the filter net 22 is improved.

A plurality of first supporting strips 2215 are arranged in the hollow portion 2211, two ends of each first supporting strip 2215 are respectively connected with the left side and the right side of the hollow portion 2211, and the positions of the plurality of first supporting strips 2215 correspond to the positions of the notches 2214 on the flange 2213 one by one. The plurality of first supporting bars 2215 increase the overall strength of the net frame 221, and prevent the filter screen 222 in the hollow portion 2211 from being bent and collapsed, thereby ensuring the structural stability of the filter screen 22. Wherein, the rear side of the first supporting strip 2215 is an arc-shaped surface or a plane.

Be equipped with second support bar 2216 in the fretwork portion 2211, the both ends of second support bar 2216 link to each other with the upper and lower both sides of fretwork portion 2211 respectively, are equipped with a plurality of support protrusions 2216a that set up along upper and lower direction interval in proper order on the trailing flank of second support bar 2216, and a plurality of first support bars 2215 link to each other with second support bar 2216 respectively. The number of the second supporting bars 2216 is multiple, and the second supporting bars 2216 are sequentially arranged at intervals in the left-right direction; each second supporting strip 2216 is perpendicular to each first supporting strip 2215, so as to divide the hollow portion 2211 into a plurality of square hollow portions. When roller 23 drive filter screen 22 along slide 213 reciprocating motion, the periphery wall butt of rolling roller 23 connects to support protrusion 2216a to play the supporting role to the middle part of filter screen 22, prevent that the middle part of filter screen 22 from taking place to buckle and collapsing, guarantee filter screen 22 along slide 213 reciprocating motion's stability.

The first support bars 2215 and the second support bars 2216 are made of soft plastics, and the grid frame 221, the plurality of first support bars 2215 and the plurality of second support bars 2216 are formed into an integral body through an injection molding process, so that the manufacturing efficiency is high and the manufacturing cost is low.

The flange 2213 is provided with a plurality of reinforcing tooth portions 2217 which are sequentially arranged at intervals in the vertical direction, the positions of the plurality of reinforcing tooth portions 2217 correspond to the positions of the teeth on the rack portion 2212 one by one, and the plurality of reinforcing tooth portions 2217 are connected with the teeth on the rack portion 2212 one by one, so that the contact area between the net rack 221 and the roller 23 is increased, and the stability of the movement of the filter screen 22 is improved.

The upper side and the lower side of the rear side of the net rack 221 are respectively provided with an insertion protrusion 2218, the insertion protrusion 2218 extends outwards to form a sharp part protruding out of the edge of the net rack 221, the thickness of the sharp part is smaller, the thickness of the end parts of the upper side and the lower side of the net rack 221 is reduced, the upper side or the lower side of the filter screen 22 can be conveniently inserted into the first sliding groove 2131, and the assembly difficulty of the filter screen 22 in the sliding channel 213 is reduced.

Referring to fig. 6-13, the roller 23 includes a second shaft 231, a cylinder 232 and two gears 233, two ends of the second shaft 231 are rotatably inserted into the left and right sides of the bracket 21, the cylinder 232 is hollow and has openings at two ends, a cross section of the cylinder 232 is circular, and an outer peripheral wall of the cylinder 232 is abutted against the support protrusion 2216a of the filter screen 22 to improve the movement stability of the filter screen 22. The cylinder 232 is sleeved on the second rotating shaft 231 and rotates synchronously with the second rotating shaft 231, the two gears 233 are respectively located at two ends of the cylinder 232 and sleeved on the second rotating shaft 231, the two gears 233 rotate synchronously with the second rotating shaft 231, and the teeth on the two gears 233 are respectively engaged with the rack portions 2212 at the left and right sides of the rack 221 in a matching manner, and the second rotating shaft 231, the roller 23 and the two gears 233 are driven by the driving device 4 to rotate so as to drive the filter screen 22 to reciprocate along the slideway 213.

The dust removing device 3 is detachably provided in the mounting groove 214 from the mounting opening 121. Referring to fig. 6-13 and 20-23, the dust removing device 3 includes a dust collecting box 31 and a rolling brush 32, two ends of the rolling brush 32 are respectively rotatably disposed through the left and right sides of the dust collecting box 31, the rolling brush 32 is rotated to contact with the passing filter screen 22 to clean the dust on the surface of the filter screen 22, the dust is recovered into the dust collecting box 31 under the action of gravity, and the dust collecting box 31 is disposed outdoors after being detached from the bracket 21 to prevent the dust from falling indoors.

Specifically, referring to fig. 20 to 23, the dust collecting box 31 includes a box body 311 and a sealing cover 312, the box body 311 has a dust collecting cavity, a dust inlet 3111 communicated to the dust collecting cavity is disposed at the top of the box body 311, the filter screen 22 and the roller 23 are both disposed above the dust inlet 3111, an assembly port 3112 is disposed on the left side wall or the right side wall of the box body 311, and the sealing cover 312 is disposed at the assembly port 3112 and is fixedly connected to the box body 311 for closing the assembly port 3112.

Based on the above structure, locate the front side of support with dust collection box 31 during the use, sealed lid 312 locates the side of box body 311 and closes assembly opening 3112, form integral non-detachable structure behind sealed lid 312 and the box body 311 fixed connection, the dust that sweeps off on the filter screen gets into the dust collecting chamber and finally subsides and store in box body 311, take off dust collection box 31 and place outdoors when the dust in box body 311 needs to be cleared up, adopt high-pressure rivers or high-pressure strong wind to wash box body 311 and make the dust break away from in the box body 311, can realize the clearance to the box body 311 dust, of course adopt high-pressure rivers to wash box body 311 after with box body 311 to dry box body 311. The dust collecting box 31 has simple and reliable structure, and can effectively improve the cleaning efficiency of dust.

Referring to fig. 22, the sealing cover 312 includes a cover body 3121 and a wing plate 3122, the wing plate 3122 is disposed at the left or right side of the cover body 3121 and is perpendicular to the cover body 3121, and correspondingly, a mounting frame 3113 is disposed on the front or rear sidewall of the box body 311, the mounting frame 3113 has a size matched with the wing plate 3122, and the wing plate 3122 is inserted into the mounting frame 3113 and is snap-connected with the mounting frame 3113 when the sealing cover 312 closes the mounting opening 3112. Based on the above structure, the cover 3121 of the sealing cover 312 is perpendicular to the front and rear sidewalls of the cover 3121 for sealing the case 311, and the wing 3122 is parallel to the front and rear sidewalls of the case 311, when assembled, the wing 3122 aligns with the mounting frame 3113 of the front or rear sidewall and is snapped into the mounting frame 3113, thereby realizing the fixed connection of the sealing cover 312 and the case 311. It can be seen that the fixed connection between the sealing cover 312 and the box body 311 can be achieved by only providing the wing 3122 at one side of the cover 3121 to be snapped into the mounting frame 3113, so that the wing 3122 can be provided at either the left side of the cover 3121 or the right side of the cover 3121, and correspondingly, the mounting frame 3113 for the wing 3122 to be snapped into is correspondingly provided at the front side wall or the rear side wall of the box body 311.

Referring to fig. 20 to 23, in some embodiments of the present application, two wings 3122 are provided, the two wings 3122 are respectively provided at left and right sides of the cover 3121 and are integrated with the cover 3121, both front and rear sidewalls of the case body 311 are provided with mounting frames 3113, and the two wings 3122 correspond to the two mounting frames 3113 one to one. In order to further strengthen the fixing effect between the sealing cover 312 and the box body 311 and ensure the effective connection between the sealing cover 312 and the box body 311, an operator can choose to set wing plates 3122 on both sides of the cover body 3121, the two wing plates 3122 are parallel to each other and are respectively located on both sides of the cover body 3121, the two wing plates 3122 are respectively inserted into the mounting frame 3113 of the front side wall and the rear side wall of the box body 311 during assembly, so as to realize the fixed connection between the sealing cover 312 and the box body 311, the new sealing cover 312 has simple and reliable structure, easy assembly and good connection effect.

Referring to fig. 21 and 22, a first limit catch 3123 is provided on a top portion of the wing plate 3122, a first limit groove 3113a is provided on a top portion of the mounting frame 3113, and the first limit catch 3123 is caught in the first limit groove 3113a when the sealing cover 312 closes the fitting opening 3112. The wing 3122 is at risk of coming out of the mounting frame 3113 as the snap-fit between the wing 3122 and the mounting frame 3113 becomes loose with prolonged use of the dust box 31. In order to avoid the above situation, an operator selects to set the first limiting snap 3123 on the top of the wing plate 3122, and correspondingly set the first limiting groove 3113a on the top of the mounting frame 3113, when the installation frame 3113 is used, the wing plate 3122 is sent into the mounting frame 3113, and the first limiting snap 3123 is continuously close to the first limiting groove 3113a along with the continuous penetration of the wing plate 3122 and is snapped into the first limiting groove 3113a when the cover 3121 seals the mounting opening 3112, that is, the wing plate 3122 completely enters the mounting frame 3113, at this time, the first limiting snap 3123 is in snap connection with the first limiting groove 3113a, so that the wing plate 3122 can be effectively prevented from withdrawing from the mounting frame 3113, the stability of the wing plate 3122 in the mounting frame 3113 is ensured, and the connection effect of the sealing cover 312 and the box body 311 is effectively improved.

In fact, since there are two wing plates 3122, there are many situations in the installation position of the first limiting snap 3123, an operator may install the first limiting snap 3123 on the top of one of the wing plates 3122, or may choose to install the first limiting snap 3123 on the top of each of the two wing plates 3122, specifically, referring to fig. 22, in this embodiment, there are two first limiting snap 3123, two first limiting snap 3123 are respectively installed on the top of each of the two wing plates 3122, and correspondingly, there are two first limiting grooves 3113a, and the two first limiting grooves 3113a are respectively installed on the installation frame 3113 of the front side wall of the box body 311 and the installation frame 3113 of the rear side wall of the box body 311 and are both located on the top of the installation frame 3113.

Referring to fig. 21 and fig. 22, an operator may further choose to dispose a second limiting protrusion 3124 at the bottom of the wing plate 3122, and correspondingly, dispose a second limiting groove 3113b at the bottom of the mounting frame 3113, when the mounting frame 3113 is in use, the wing plate 3122 is sent into the mounting frame 3113, and the second limiting protrusion 3124 is continuously close to the second limiting groove 3113b along with the continuous penetration of the wing plate 3122, and is clamped into the second limiting groove 3113b when the cover 3121 seals the mounting opening 3112, that is, the wing plate 3122 completely enters the mounting frame 3113, at this time, the second limiting protrusion 3124 is connected to the second limiting groove 3113b in a clamping manner, so that the wing plate 3122 can be further prevented from retreating from the mounting frame 3113, the stability of the wing plate 3122 in the mounting frame 3113 is ensured, and the connection effect between the sealing cover 312 and the box body 311 is effectively improved.

Similar to the setting situation of the first limiting snap 3123, because two wing plates 3122 are provided, the setting position of the second limiting snap 3124 also has multiple situations, an operator may set the second limiting snap 3124 at the bottom of one of the wing plates 3122, or may select to set the second limiting snap 3124 at the bottom of each of the two wing plates 3122, specifically, referring to fig. 22, in this embodiment, two second limiting snap 3124 are provided, the two second limiting snap 3124 are respectively provided at the bottom of the two wing plates 3122, two corresponding second limiting grooves 3113b are provided, and the two second limiting grooves 3113b are respectively provided at the mounting frame 3113 of the front side wall of the box body 311 and the mounting frame 3113 of the rear side wall of the box body 311 and are both located at the bottom of the mounting frame 3113.

It should be noted that, when the box body 311 is cleaned by high-pressure water flow, it is inevitable to leave a part of water flow in the box body 311, in order to enable the part of water flow to be discharged out of the box body 311 as soon as possible, the left side edge and/or the right side edge of the bottom of the box body 311 are/is further provided with a plurality of water outlets, the water flow of the box body 311 can be discharged quickly through the water outlets after the cleaning is completed, the drying of the box body 311 is ensured, and the influence of the water flow on the dust collection of the box body 311 is avoided. In fact, since the drainage hole is located at the bottom of the box body 311, the bottom of the box body 311 abuts against the housing when the dust collection box 31 is assembled, the drainage hole is not arranged to affect the normal collection of dust in the dust collection box 31, and the dust collection box 31 can still be used normally.

Referring to fig. 9-13 and 20, the rolling brush 32 includes a first rotating shaft 321 and a rolling brush cylinder 322, two ends of the first rotating shaft 321 respectively rotatably penetrate through the left and right sides of the dust collecting box 31, because the sealing cover 312 is located at the left or right side of the dust collecting box 31, one of the rotating holes for installing the first rotating shaft 321 is located on the box body 311, the other is located on the cover body 3121 of the sealing cover 312, the rolling brush cylinder 322 is hollow and has openings at two ends, a plurality of brushes (the brushes may be bristle brushes or soft brushes) are disposed on the peripheral wall of the rolling brush cylinder 322, the rolling brush cylinder 322 is sleeved on the first rotating shaft 321 and rotates synchronously with the first rotating shaft 321, the first rotating shaft 321 is driven by the driving device 4 to rotate to drive the rolling brush cylinder 322 to rotate, so that the rolling brush cylinder 322 is in rolling contact with the filter screen 22 to clean the filter screen 22.

In order to prevent the dust on the roll brush 32 from falling into the room, the roll brush 32 needs to be removed from the mounting groove 214 together with the dust box 31, and therefore, the first rotating shaft 321 needs to be detachably connected to the driving device 4. Specifically, referring to fig. 9-13, the driving device 4 is disposed outside one side of the bracket 21, the power output end of the driving device 4 has a socket 431, and one end of the first rotating shaft 321 is slidably inserted into the socket 431 and can rotate along with the power output end of the driving device 4; the bolt piece 5 is used for realizing the detachable connection of the dust collection box 31 and the bracket 21; the dismounting gap 8 is arranged between one end of the dust collection box 31 departing from the driving device 4 and the inner wall surface of the mounting groove 214, when the bolt 5 releases the connection between the dust collection box 31 and the bracket 21, the dust collection box 31 can slide towards one end close to the dismounting gap 8 along the axial direction of the rolling brush 32, and then the rolling brush 32 is driven to slide, so that the end part of the first rotating shaft 321 slides out from the socket 431, the rolling brush 32 and the dust collection box 31 can be dismounted from the mounting groove 214 together, and the phenomenon that dust falls off is avoided.

Referring to fig. 9-13, an end of the first shaft 321 has an insertion portion 3211, a plurality of limiting protrusions 3211a are spaced around the insertion portion 3211, and a cross-sectional shape of the socket 431 is matched with a cross-sectional shape of the first shaft 321. Specifically, the cross section of the first rotating shaft 321 may be hexagonal, triangular or quadrangular, so as to ensure that the first rotating shaft 321 can rotate along with the power output end of the driving device 4 and can be pulled out from the socket 431 of the driving device 4, so that the rolling brush 32 and the dust collecting box 31 can be synchronously removed from the mounting groove 214.

Referring to fig. 1-3 and 5, a bolt groove 15 is formed in a side of the housing 1 away from the dismounting gap 8, the bolt 5 is slidably disposed in the bolt groove 15, and the bolt 5 can slide between a first position and a second position; when the bolt 5 is located at the first position, a part of the bolt 5 is abutted to the front side of the dust collection box 31 to limit the mutual detachment of the dust collection box 31 and the bracket 21; when the bolt 5 is located at the second position, the bolt 5 and the dust box 31 are separated from each other to release the connection between the dust box 31 and the bracket 21.

Referring to fig. 9-14, the driving device 4 includes a motor 41, a first driven gear 43 and a second driven gear 44, a driving gear 42 is sleeved on a power output end of the motor 41, the first driven gear 43 is engaged with the driving gear 42, a socket 431 is disposed on the first driven gear 43, that is, an end of the first rotating shaft 321 is inserted into the first driven gear 43, the second driving gear 233 is engaged with the driving gear 42, and an end of the second rotating shaft 231 penetrates through the second driven gear 44. When the motor 41 operates, the driving gear 42 is in meshing transmission with the first driven gear 43, and the driving gear 42 is in meshing transmission with the second driven gear 44, so that the rolling brush 32 and the roller 23 rotate respectively, the rotation direction of the rolling brush 32 is the same as that of the roller 23, when the rotating roller 23 drives the filter screen 22 to reciprocate in the slide channel 213, the movement direction of the filter screen 22 is opposite to the tangential direction of the top of the rolling brush 32, and the rolling brush 32 forms a reverse ash scraping force on the filter screen 22, so that the dust cleaning efficiency of the filter screen 22 is improved.

The driving device 4 further comprises a protective shell 45, the protective shell 45 is arranged on the outer side of the support 21, the protective shell 45 comprises a bottom shell 451 and a shell cover 452, the bottom shell 451 is fixed on the outer side wall of the support 21 through screws or bolts, the bottom shell 451 is provided with a containing cavity, and the driving gear 42, the first driven gear 43 and the second driven gear 44 are all arranged in the containing cavity; the housing cover 452 covers the opening of the cavity, the motor 41 is fixed on the housing cover 452, and an output shaft of the motor 41 passes through the housing cover 452 to penetrate through the driving gear 42.

Referring to fig. 1-3, in order to improve the dust removing effect and the dust removing stability of the filter screen 22, two air inlets 11 are disposed at the top of the housing 1 at intervals along the left-right direction, the number of the filter screen devices 2 is two, the number of the dust removing devices 3 is two, the number of the driving devices 4 is two, the number of the bolts 5 is two, the two filter screen devices 2, the two dust removing devices 3, the two driving devices 4 and the two bolts 5 are respectively in one-to-one correspondence, the two filter screen devices 2 are disposed in the housing 1 at intervals along the left-right direction and are in one-to-one correspondence with the air inlets 11, and the two driving devices 4 are respectively disposed at the left side and the right side of the housing 1.

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 top of the shell is provided with an air inlet;

2. An indoor unit of an air conditioner according to claim 1, wherein the sealing cover includes a cover body and a wing plate, the wing plate is provided on a left or right side of the cover body and is perpendicular to the cover body, a mounting frame is provided on a front or rear side wall of the casing, the mounting frame has a size matched with the wing plate, and the wing plate is inserted into the mounting frame when the sealing cover closes the fitting opening.

3. An indoor unit of an air conditioner as claimed in claim 2, wherein there are two wing plates, the two wing plates are respectively provided at left and right sides of the cover and are integrated with the cover, the mounting frames are provided at front and rear sidewalls of the case, and the wing plates correspond to the mounting frames one to one.

4. An indoor unit of an air conditioner according to claim 2, wherein a first limit projection is provided on a top of the wing plate, a first limit groove is provided on a top of the mounting frame, and the first limit projection is fitted into the first limit groove when the sealing cover closes the fitting opening.

5. An indoor unit of an air conditioner as claimed in claim 4, wherein the first restricting protrusion has two pieces, the two first restricting plates are respectively provided on the tops of the two wing plates, the two first restricting grooves are provided on the mounting frame of the front wall of the casing and the mounting frame of the rear wall of the casing, respectively.

6. An indoor unit of an air conditioner as claimed in claim 2, wherein a second limit projection is provided at a bottom of the wing plate, a second limit groove is provided at a bottom of the mounting frame, and the second limit projection is fitted into the second limit groove when the sealing cover closes the fitting opening.

7. An indoor unit of an air conditioner according to claim 6, wherein there are two second restricting projections provided at bottoms of the two wing plates, respectively, and two second restricting grooves provided at the mounting frame of the front wall of the casing and the mounting frame of the rear wall of the casing, respectively.

8. An indoor unit of an air conditioner as claimed in claim 1, wherein a plurality of outlet holes are formed at a left side edge and/or a right side edge of the bottom of the casing.

9. An indoor unit of an air conditioner as claimed in claim 1, further comprising a roller brush disposed in the dust chamber, wherein the casing and the sealing cover are respectively provided with a rotary hole, two ends of the roller brush are rotatably inserted into the rotary holes one by one, and the roller brush is in rolling contact with the filter screen to clean the filter screen.

10. An indoor unit of an air conditioner as claimed in claim 9, wherein a mounting groove for mounting the dust collecting case is opened at a front side of the bracket;

machine still includes in the air conditioning:

the bolt is used for realizing the detachable connection of the dust collection box and the bracket;

when the bolt piece releases the connection between the dust collection box and the support, the dust collection box can slide towards one end close to the dismounting gap along the axial direction of the rolling brush, and then the rolling brush is driven to slide, so that the rolling brush slides out of the socket.