CN116202139A

CN116202139A - Indoor unit of air conditioner

Info

Publication number: CN116202139A
Application number: CN202111458502.5A
Authority: CN
Inventors: 田志强; 顾超; 李婧; 徐雪峰; 王海胜
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2023-06-02

Abstract

The application relates to the technical field of air conditioners and discloses an air conditioner indoor unit. The application provides an air conditioner indoor unit includes casing, pivot, filter screen and brush hair mechanism. The shell is provided with an air port; the rotating shaft is rotatably arranged in the shell; the filter screen is in transmission connection with the rotating shaft, and the rotating shaft can drive the filter screen to slide on the inner side of the shell by rotating circumferentially so that the filter screen shields the air port or avoids the air port; the brushing mechanism is positioned below the filter screen; the filter screen slides between the shielding air port and the avoiding air port, so that the brushing mechanism cleans dust on the movable filter screen. The utility model provides an indoor unit of air conditioner through the cooperation of removal filter screen and brush, can satisfy the return air demand of switching-over air supply, can self-cleaning dust on the filter screen moreover.

Description

Indoor unit of air conditioner

Technical Field

The present application relates to the technical field of air conditioners, and for example, to an indoor unit of an air conditioner.

Background

With the improvement of living standard, the air conditioner becomes an indispensable household appliance for improving living quality, and has wide application. Most of air conditioning indoor units arranged on the wall surface above a room or on the ceiling of the room are lateral air outlets, hot air density is low during heating, hot air flows upwards due to the lateral air outlets, users in the lower area of the room cannot be blown, temperature distribution in the room is uneven, the problem of upper heat and lower cold is caused, and particularly, experience is poor for users who are easy to cool hands and feet. In order to improve the comfort of the air conditioner, an air conditioner indoor unit capable of bidirectionally outputting air is arranged at present, and two air-out modes of lower air-out and side air-out can be realized. The air conditioner indoor unit with unidirectional air outlet is generally provided with a filter screen at the return air inlet to filter the air flow entering the air conditioner indoor unit, so as to prevent impurities from entering the air duct component. For the bi-directional air outlet air conditioner indoor unit, a filter screen assembly capable of being switched in a reversing manner needs to be provided for adapting to the bi-directional air outlet air conditioner indoor unit.

In the prior art, in order to meet the air return requirement of an air conditioner indoor unit capable of bidirectionally supplying air, an air conditioner is disclosed, and the air conditioner comprises an air port, a filtering device and an air guide mechanism. The filtering device is provided with a filtering state for shielding the air port and an avoiding state for avoiding the air port; the air guide mechanism is arranged at the air port and connected with the filtering device, and drives the filtering device to switch between a filtering state and an avoiding state; when the air port is used as the air return port, the air guide mechanism drives the filtering device to be in a filtering state, and when the air port is used as the air outlet, the air guide mechanism drives the filtering device to be in an avoiding state. The wind gap department is provided with the pivot, and wind-guiding mechanism sets up in the pivot, and can revolute the pivot free rotation. The air guide mechanism is provided with a first edge and a second edge which are opposite, the first edge is arranged on the rotating shaft, and the second edge is connected with the filtering device. The air guide mechanism is an arc air guide plate, when the filtering device is in an avoidance state, the filtering device deforms to be attached to the arc air guide plate, and when the filtering device is in a filtering state, the filtering device is flattened to completely shield the air inlet.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

the existing filter screen can be switched between the filtering state and the avoiding state by moving, but the existing filter screen applied to the reversing air supply air conditioner indoor unit can only be manually cleaned, and the requirements of the switchable filter screen and the self-cleaning of the filter screen cannot be met at the same time.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the disclosure provides an air conditioner indoor unit, wherein a filter screen is in transmission connection with a rotating shaft, and the rotating shaft can drive the filter screen to slide on the inner side of a shell by rotating circumferentially so as to enable the filter screen to shield an air port or avoid the air port; the brushing mechanism is positioned below the filter screen; the filter screen slides between the shielding air port and the avoiding air port so that the brushing mechanism cleans dust on the movable filter screen. The air conditioner indoor unit can meet the air return requirement of reversing air supply through the cooperation of the movable filter screen and the brush, and can automatically clean dust on the filter screen.

In some embodiments, an air conditioning indoor unit includes a housing, a shaft, a filter screen, and a bristle mechanism. The shell is provided with an air port; the rotating shaft is rotatably arranged in the shell; the filter screen is in transmission connection with the rotating shaft, and the rotating shaft can drive the filter screen to slide on the inner side of the shell by rotating circumferentially so that the filter screen shields the air port or avoids the air port; the brushing mechanism is positioned below the filter screen; the filter screen slides between the shielding air port and the avoiding air port, so that the brushing mechanism cleans dust on the movable filter screen.

In some alternative embodiments, the bristle mechanism includes a bristle bar and a brush. The brush rod is fixed in the shell; the brush is positioned on the brush rod and is contacted with the filter screen.

In some alternative embodiments, the air conditioning indoor unit further comprises a first frame positioned within the housing, the first frame being removably coupled to the housing; the first frame is used for limiting and bearing the filter screen, and is of a grid structure so as to facilitate circulating air flow.

In some alternative embodiments, the rotating shaft is limited on the first frame, the filter screen is located between the rotating shaft and the first frame, and the rotating shaft rotates to drive the filter screen in driving connection with the rotating shaft to reciprocate.

In some alternative embodiments, the number of the hairbrushes is a plurality, the hairbrushes are arranged on the hairbrush rod in a straight shape, and one end of each hairbrush penetrates through the first frame to be abutted with the filter screen.

In some alternative embodiments, the grid structure includes a plurality of longitudinal bars perpendicular to the axis of rotation and transverse bars parallel to the axis of rotation; the distance between two adjacent brushes is larger than or equal to the width of the longitudinal bars, so that the brushes are limited and fixed between two adjacent transverse bars.

In some alternative embodiments, the housing includes side panels and a bottom panel. The side plate is provided with a first air port; the bottom plate is provided with a second air port, and the bottom plate is perpendicular to the side plates; the first frame is attached to the side plate and the bottom plate, and the filter screen can be shifted and switched between the first air port and the second air port side so that the filter screen shields the first air port and avoids the second air port; or the filter screen shields the second air opening and avoids the first air opening.

In some alternative embodiments, the number of bristle mechanisms is two, a first bristle mechanism and a second bristle mechanism, respectively, the first bristle mechanism being located below the shaft, the second bristle mechanism being located between the second tuyere and the first bristle mechanism.

In some alternative embodiments, the rotating shaft is positioned at the corner between the side plate and the bottom plate, so that the filter screen turns smoothly; the brush head of the first brushing mechanism is arc-shaped, and the arc-shaped is matched with the radian of the cylinder body of the rotating shaft, so that the brush head is integrally attached to the filter screen.

In some alternative embodiments, the air conditioning indoor unit further comprises a dust box detachably connected to the housing, and the brushing mechanism is fixed in the dust box.

The indoor unit of the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:

the indoor unit of the air conditioner comprises a shell, a rotating shaft, a filter screen and a brushing mechanism. The shell is provided with an air port; the rotating shaft is rotatably arranged in the shell; the filter screen is in transmission connection with the rotating shaft, and the rotating shaft can drive the filter screen to slide on the inner side of the shell by rotating circumferentially so that the filter screen shields the air port or avoids the air port; the brushing mechanism is positioned below the filter screen; the filter screen slides between the shielding air port and the avoiding air port, so that the brushing mechanism cleans dust on the movable filter screen. The utility model provides an indoor unit of air conditioner through the cooperation of removal filter screen and brush, can satisfy the return air demand of switching-over air supply, can self-cleaning dust on the filter screen moreover.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

fig. 1 is a schematic view of a partial structure of an indoor unit of an air conditioner according to an embodiment of the present disclosure;

fig. 2 is a schematic cross-sectional view of a local air conditioning indoor unit provided in an embodiment of the present disclosure;

FIG. 3 is a schematic view of a structure of a screen frame assembly and a drive device provided by an embodiment of the present disclosure;

FIG. 4 is a schematic view of a structure of a screen, a shaft and a driving device provided in an embodiment of the present disclosure;

FIG. 5 is a schematic view of a partial structure of a screen and a shaft provided by an embodiment of the present disclosure;

fig. 6 is a schematic structural view of a side plate and a bottom plate of an indoor unit of an air conditioner according to an embodiment of the present disclosure;

FIG. 7 is a partial schematic view of a screen frame assembly provided by an embodiment of the present disclosure;

FIG. 8 is a schematic view of the overall structure of a first frame provided by an embodiment of the present disclosure;

FIG. 9 is a partial schematic view of a stop member and a first frame provided by an embodiment of the present disclosure;

FIG. 10 is a schematic view of the overall structure of a second frame provided by an embodiment of the present disclosure;

FIG. 11 is a partial schematic view of a stop member and a second frame provided by an embodiment of the present disclosure;

FIG. 12 is a schematic view of the overall structure of a stop member provided by an embodiment of the present disclosure;

FIG. 13 is a schematic view of the overall structure of a gear tooth and limiter provided by an embodiment of the present disclosure;

FIG. 14 is a schematic view of the overall structure of a spindle provided by an embodiment of the present disclosure;

fig. 15 is a partial schematic view of a bristle mechanism and a filter screen provided in an embodiment of the present disclosure.

Reference numerals:

1: a housing; 11: a first tuyere; 12: a second tuyere; 13: a side plate; 14: a bottom plate; 141: a slide rail; 2: a screen frame set; 3: a first frame; 31: a side frame portion; 32: a bottom frame portion; 33: an arc-shaped portion; 34: a chute; 4: a second frame; 5: a filter screen; 51: a guide rail; 511: convex teeth; 6: a rotating shaft; 61: gear teeth; 611: a wheel-shaped tooth portion; 612: a connection part; 62: a shaft cylinder; 7: a driving device; 8: a limiting piece; 91: a first dust collection box; 92: a second dust collection box; 10: a brushing mechanism; 101: a brush bar; 102: a brush.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

As shown in conjunction with fig. 1-15, embodiments of the present disclosure provide an air conditioning indoor unit.

The indoor unit of the air conditioner comprises an indoor unit of a wall-mounted air conditioner and an indoor unit of a wind pipe type air conditioner. The embodiments of the present disclosure will be described in detail with reference to an air duct machine.

The air pipe machine comprises a side air port and a lower air port, wherein the air is usually taken in by the lower air port, and the air is taken out by the side air port; or the side air inlet is used for air inlet, and the lower air outlet is used for air outlet. In the long-term use process of the air pipe machine, a large amount of dust is adhered to the wind wheel inside the air pipe machine, so that the air conditioner indoor machine needs to be cleaned regularly, otherwise, the health of people is affected due to the fact that a large amount of dust, peculiar smell and bacteria are carried in the wind blown out by the air outlet of the air conditioner. The filter screen component in the conventional reversing air supply air pipe machine needs to be manually cleaned at regular intervals, is difficult to disassemble and clean, and cannot meet the requirements of users.

The air conditioner indoor unit provided by the embodiment of the disclosure comprises a shell 1, a rotating shaft 6, a filter screen 5 and a brushing mechanism 10. The shell 1 is provided with an air port; the rotating shaft 6 is rotatably arranged in the shell 1; the filter screen 5 is in transmission connection with the rotating shaft 6, and the rotating shaft 6 can drive the filter screen 5 to slide on the inner side of the shell 1 by rotating circumferentially, so that the filter screen 5 shields the air opening or avoids the air opening; the brushing mechanism 10 is positioned below the filter screen 5; wherein, the filter screen 5 slides between the shielding air port and the avoiding air port, so that the brushing mechanism 10 cleans dust on the movable filter screen 5. The filter screen 5 is a flexible filter screen 5, so that the filter screen 5 not only can linearly move, but also can adapt to different curved surface movements so as to meet the structural requirements of different air conditioner indoor units. The filter screen 5 slides between the shielding air port and the avoiding air port, so that the brushing mechanism 10 automatically cleans and moves dust on the filter screen 5. The problem that the existing reversing air supply air conditioner indoor unit cannot be self-cleaned is solved.

Optionally, the bristle mechanism 10 includes a brush rod 101 and a brush 102. The brush bar 101 is fixed in the housing 1; the brush 102 is positioned on the brush stick 101, and the brush 102 is in contact with the filter screen 5. In this way, the brush 102 can be fully and comprehensively abutted with the filter screen 5, and the self-cleaning effect of the filter screen 5 is improved.

Optionally, the indoor unit of the air conditioner further comprises a first frame 3, the first frame 3 is located in the shell 1, and the first frame 3 is detachably connected with the shell 1; the first frame 3 is used for limiting and bearing the filter screen 5, and the first frame 3 is of a grid structure so as to facilitate circulating air flow. The first frame 3 plays a role in bearing and limiting the flexible filter screen 5 so as to improve the movement stability of the filter screen 5. Preferably, the indoor unit of the air conditioner further comprises a second frame 4, the second frame 4 is connected with the first frame 3 in a clamping way, the first frame 3 and the second frame 4 form a filter screen frame group 2 together, and the filter screen 5 and the rotating shaft 6 are positioned in the filter screen frame group 2. The filter screen 5 is placed in a limit space in the filter screen frame set 2. The second frame 4 is also a grille structure to facilitate ventilation of the tuyere side.

Optionally, the rotating shaft 6 is limited on the first frame 3, the filter screen 5 is located between the rotating shaft 6 and the first frame 3, and the rotating shaft 6 rotates to drive the filter screen 5 connected with the rotating shaft 6 in a transmission manner to reciprocate. The rotating shaft 6 is positioned in the limiting space and is parallel to the width direction of the filter screen 5. The rotating shaft 6 is in transmission connection with the guide rail 51 on the filter screen 5, and the driving device 7 drives the rotating shaft 6 to rotate circumferentially so as to drive the filter screen 5 to reciprocate along the direction of the guide rail 51. Wherein the drive means 7 are fixed to the first frame 3, the drive means 7 comprising a drive motor.

It will be appreciated that the first frame 3 in this application may be installed in an air conditioning indoor unit having two or more air ports. When the air conditioner indoor unit is applied to the double-air-port air conditioner indoor unit, the first frame 3 is arranged on the inner wall side of the shell 1 where the two air ports are arranged, so that the filter screen 5 can slide and switch between the two air ports, one air port is in a filtering state, and the other air port is in an avoiding state; or, the two first frames 3 are respectively arranged on the inner side walls of the shell 1 where the two air openings are positioned, so that different target air openings can be switched between the filtering state and the avoiding state in a targeted manner. When the air conditioner indoor unit is applied to a multi-air-port air conditioner indoor unit, the first frame 3 is arranged on the inner wall side of the shell 1 where two or more air ports are located, so that the filter screen 5 can be switched in a sliding mode on the two or more air port sides, the air ports at the target number and target positions are in an avoidance state, and the air ports at other positions are in an avoidance state. It can be understood that through setting up the first frame 3 of laminating different casing 1, can satisfy the return air filtration demand of two-way air-changing air conditioner indoor set or multidirectional air-changing air conditioner indoor set, and the filter screen 5 of this application need not to reserve and dodges the space just can carry out the self-cleaning of filter screen 5.

Optionally, the housing 1 comprises side panels 13 and a bottom panel 14. The side plate 13 is provided with a first air port 11; the bottom plate 14 is provided with a second air port 12, and the bottom plate 14 is perpendicular to the side plate 13; wherein, the first frame 3 is attached to the side plate 13 and the bottom plate 14, and the filter screen 5 can be moved and switched between the first air port 11 and the second air port 12, so that the filter screen 5 shields the first air port 11 and avoids the second air port 12; alternatively, the filter screen 5 is made to shield the second tuyere 12 from the first tuyere 11. The first frame 3 and the second frame 4 are all L-shaped frames, so that the limiting space comprises a horizontal track section, an arc track section and a vertical track section which are communicated in sequence, and the filter screen 5 can be switched between the horizontal track section and the vertical track section in a sliding manner. The casing 1 of the existing air duct type air conditioner indoor unit comprises a side plate 13 and a bottom plate 14 which are vertically arranged, wherein a first air opening 11 is formed in the side plate 13, and a second air opening 12 is formed in the bottom plate 14. By setting the first frame 3 and the second frame 4 to be L-shaped frames, the first frame 3 can be attached to the side plate 13 and the bottom plate 14, and the limiting space can be L-shaped space to limit the movement direction of the filter screen 5. The L-shaped limiting space comprises a horizontal track section, an arc track section and a vertical track section which are communicated in sequence, wherein the horizontal track section is positioned above the bottom plate 14, the arc track section is positioned at a corner between the bottom plate 14 and the side plate 13, and the vertical track section is positioned at the inner side of the side plate 13. The first air port 11 can be in an avoidance state and the second air port 12 can be in a filtering state through the reciprocating movement of the filter screen 5 in the horizontal track section and the vertical track section; alternatively, the first tuyere 11 is in the filtering state and the first tuyere 11 is in the dodging state.

Optionally, the rotating shaft 6 includes a first rotating shaft 6 and a second rotating shaft 6, and the first rotating shaft 6 and the second rotating shaft 6 are fixed on the first frame 3 in a limiting manner through a limiting lock catch. The first rotating shaft 6 and the second rotating shaft 6 are both positioned in the limiting space and are parallel to the width direction of the air conditioner indoor unit. The guide rail 51 on the filter screen 5 is perpendicular to the first rotating shaft 6 and the second rotating shaft 6, and is in transmission connection with the two rotating shafts 6. The flexible filter screen 5 can be operated more stably by the synchronous and same-direction rotation of the two rotating shafts 6.

Alternatively, the first frame 3 includes a side frame portion 31, a bottom frame portion 32, and an arc portion 33. The side frame 31 is located on one side of the side plate 13; the bottom frame 32 is positioned on one side of the bottom plate 14, and the bottom frame 32 is perpendicular to the side frame 31; the arc-shaped part 33 is connected with the side frame part 31 and the bottom frame part 32, and the arc-shaped part 33 is provided with a rotating shaft 6; the arc-shaped portion 33 makes the side frame portion 31 and the bottom frame portion 32 smoothly and transitionally connected, so that the filter screen 5 is smoothly turned.

Optionally, a concave arc section is arranged at the corner of the L-shaped frame of the first frame 3, and a convex arc section is arranged at the corner of the L-shaped frame of the second frame 4, wherein the concave arc section and the convex arc section enclose a containing cavity of the first rotating shaft 6. The first shaft 6 is located at the corner between the bottom plate 14 and the side plate 13, and the sieve 5 is located between the first shaft 6 and the first frame 3. The cylindrical rotating shaft 6 is matched with the arc shape of the concave arc section of the first frame 3, so that the filter screen 5 can slide from the horizontal track section to the vertical track section in a smooth transition manner, or slide from the vertical track section to the horizontal track section in a smooth transition manner, and the direction change of the filter screen 5 is smoother. The second rotating shaft 6 is located above the bottom plate 14, so that the filter screen 5 moves more stably. In this way, a powerful driving force can be provided for the movement of the filter screen 5, and meanwhile, the problems of clamping and lamination of the filter screen 5 can be avoided.

Optionally, the limiting lock catch includes a clamping portion, and the clamping portion is clamped to the through hole on the first frame 3. When the rotating shaft 6 of the air conditioner indoor unit is overlong or the air conditioner indoor unit comprises two or more rotating shafts 6, one or more rotating shafts 6 can be better limited and fixed through the limiting lock catch. Thus, the rotary shaft 6 can be rotated around the central axis in the circumferential direction, and the problem that the filter screen 5 is blocked due to the axial deviation is avoided.

Optionally, the number of the brushes 102 is multiple, the multiple brushes 102 are arranged on the brush rod 101 in a line shape, and one end of the brush 102 passes through the first frame 3 to be abutted against the filter screen 5. Specifically, a plurality of brush heads are arranged at intervals at the upper end of the brush rod 101, and the brush heads are embedded in a plurality of grids of the first frame 3 in a one-to-one correspondence manner. In this way, the brush 102 can be inserted into the first frame 3 to brush and clean the moving filter screen 5, and no extra space is occupied.

Optionally, the grid structure comprises a plurality of longitudinal bars perpendicular to the rotation axis 6 and transverse bars parallel to the rotation axis 6; the distance between two adjacent brushes 102 is greater than or equal to the width of the longitudinal bars, so that the brushes 102 are limited and fixed between two adjacent transverse bars, and the brushes 102 can clean and move dust on the filter screen 5 smoothly and in a small amplitude.

Optionally, the filter screen 5 includes a plurality of guide rails 51, the plurality of guide rails 51 are disposed parallel to each other, and the rotating shaft 6 includes a plurality of gear teeth 61 engaged with the guide rails 51 in a one-to-one correspondence. Specifically, the rotating shaft 6 includes gear teeth 61 and a shaft barrel 62, the number of the gear teeth 61 is 2 or more, and the shaft barrel 62 is fixed between adjacent gear teeth 61. The number of the guide rails 51 is 2 or more, and the guide rails 51 are arranged in parallel to each other and are engaged with the gear teeth 61 in a one-to-one correspondence. In this way, the stability of the transmission between the sieve 5 and the shaft 6 can be enhanced. Preferably, the two ends of the rotating shaft 6 are provided with gear teeth 61, and one or more gear teeth 61 are arranged in the middle of the rotating shaft 6. The gear teeth 61 are integrally formed, and the gear teeth 61 include a wheel-shaped tooth portion 611 and a connection portion 612, and the connection portion 612 is located at both sides of the wheel-shaped gear. The connecting portion 612 is provided with a buckle, the inner wall of the shaft barrel 62 is provided with a bayonet, and the connecting portion 612 is clamped in the shaft barrel 62 in a limiting mode, so that the gear teeth 61 are fixedly connected with the shaft barrel 62, and rotation friction force generated between the gear teeth 61 and the shaft barrel 62 is avoided.

Optionally, the screen 5 comprises a grating and a filter sheet. The grid comprises a guide rail 51, a filter disc is positioned in a mesh of the grid, and the filter disc is used for filtering impurities in the air inlet flow; the guide rail 51 includes a plurality of the convex teeth 511, and the convex teeth 511 are arranged on the grid at intervals. The convex teeth 511 are meshed with gear teeth 61 on the rotating shaft 6 to drive the filter screen 5 to reciprocate along the direction of the guide rail 51. Through the movement of the filter screen 5, the air conditioner indoor unit has a filtering state for shielding the air port and an avoiding state for being away from the air port, and the self-cleaning of the filter screen 5 is realized in the movement process.

Optionally, the thickness of the grid is smaller than or equal to the distance between the rotating shaft 6 and the first frame 3, so that the filter screen 5 can slide away from the rotating shaft 6. When the filter screen 5 and accessories are required to be cleaned integrally or the components are required to be maintained and replaced, the first frame 3 and the second frame 4 which are connected in a clamped mode are detached integrally from the air conditioner indoor unit, and the second frame 4 is detached from the first frame 3. The driving device 7 drives the rotating shaft 6 to rotate, so that the filter screen 5 can be driven to slide away from the rotating shaft 6, and the filter screen 5 can be detached from the first frame 3.

Optionally, the bottom plate 14 is provided with a sliding rail 141, and the filter screen frame set 2 is provided with a sliding groove, and the sliding groove can slide along the sliding rail 141. Because the filter screen frame set 2 is only in sliding connection with the bottom plate 14, after the side plate 13 is detached from the shell 1, the whole filter screen frame set 2 can be horizontally pulled out of the air conditioner indoor unit. The filter screen 5 of this application does not adopt fastener such as bolt to install filter screen 5 to avoided when need carrying out the dismouting to filter screen accessory, fastener such as bolt quantity is many and the loaded down with trivial details problem of dismouting when fixed filter screen 5 or filter screen accessory. In this way, the efficiency of assembling and disassembling the filter screen 5 and the fittings can be greatly improved.

Alternatively, H ₂ ＝H ₁ +a，a∈[0.2,1]The method comprises the steps of carrying out a first treatment on the surface of the And H is ₂ ＝H ₃ The method comprises the steps of carrying out a first treatment on the surface of the Wherein H is ₁ For the thickness of the flexible screen 5, H ₂ For the space width of the horizontal track section, H ₃ Is the spatial width of the vertical track segment. Wherein, a can be selected from 0.4 mm, 0.6 mm and 0.8 mm, and can be specifically selected according to the configuration and internal layout of the casing 1 of the indoor unit of the air conditioner, and the method is not specifically limited herein, so long as the method is within a set range. Thus, not only can prevent the flexible filter screen 5 from moving unsmoothly due to too small limit spaceThe problem of the filter screen 5 being separated from the rotating shaft 6 or the lamination caused by overlarge limiting space can be avoided.

Alternatively, the number of the bristle mechanisms 10 is two, namely a first bristle mechanism 10 and a second bristle mechanism 10, wherein the first bristle mechanism 10 is positioned below the rotating shaft 6, and the second bristle mechanism 10 is positioned between the second tuyere 12 and the first bristle mechanism 10. The second brushing mechanism 10 can clean the filter screen 5 at the side of the second air port 12 when the filter screen 5 moves to the first air port 11 at the second air port 12; the first brushing mechanism 10 can clean the filter screen 5 at the side of the first air port 11 in the process that the filter screen 5 moves from the first air port 11 to the second air port 12, so that the self-cleaning of the reversing air supply air conditioner indoor unit is realized.

Optionally, the rotating shaft 6 is positioned at the corner between the side plate 13 and the bottom plate 14, so that the filter screen 5 turns smoothly; the brush 102 brush head of the first brushing mechanism 10 is arc-shaped, and the arc-shaped is matched with the arc of the cylinder body of the rotating shaft 6, so that the brush 102 brush head is integrally attached to the filter screen 5, and the cleaning effect of the filter screen 5 is improved.

Optionally, the indoor unit of the air conditioner further comprises a dust collecting box detachably connected to the housing 1, and the brushing mechanism 10 is fixed in the dust collecting box. The dust box includes a first dust box 91 and a second dust box 92. The first dust box 91 is located below the vertical track section and the arc track section, and the second dust box 92 is located below the horizontal track section. In this way, all the dust on the first tuyere 11 side filter screen 5 can be collected in the first dust box 91, and all the dust on the second tuyere 12 side filter screen 5 can be collected in the second dust box 92, without manually disassembling the cleaning filter screen 5.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An air conditioning indoor unit, comprising:

a shell provided with a tuyere;

the rotating shaft is rotatably arranged in the shell;

the filter screen is in transmission connection with the rotating shaft, and the rotating shaft can drive the filter screen to slide on the inner side of the shell through circumferential rotation, so that the filter screen shields the air port or avoids the air port; and, a step of, in the first embodiment,

the brushing mechanism is positioned below the filter screen;

the filter screen slides between shielding the air opening and avoiding the air opening, so that the brushing mechanism cleans dust on the movable filter screen.

2. The indoor unit of claim 1, wherein the bristle setting mechanism comprises:

the brush rod is fixed in the shell; and, a step of, in the first embodiment,

the hairbrush is positioned on the hairbrush rod and is contacted with the filter screen.

3. The indoor unit of claim 2, further comprising:

the first frame is positioned in the shell and is detachably connected with the shell;

the first frame is used for limiting and bearing the filter screen, and is of a grid structure so as to facilitate ventilation air flow.

4. An indoor unit for an air conditioner according to claim 3, wherein,

the rotating shaft is limited on the first frame, the filter screen is located between the rotating shaft and the first frame, and the rotating shaft rotates to drive the filter screen in transmission connection with the rotating shaft to reciprocate.

5. The indoor unit of claim 4, wherein the indoor unit of the air conditioner,

the number of the hairbrushes is multiple, the hairbrushes are arranged on the hairbrush rods in a straight shape, and one end of each hairbrush penetrates through the first frame to be abutted against the filter screen.

6. An indoor unit for an air conditioner according to claim 5, wherein,

the grid structure comprises a plurality of longitudinal strips and transverse strips, the longitudinal strips are perpendicular to the rotating shaft, and the transverse strips are parallel to the rotating shaft;

the distance between two adjacent brushes is larger than or equal to the width of the longitudinal strips, so that the brushes are limited and fixed between two adjacent transverse strips.

7. The indoor unit of claim 6, wherein the housing comprises:

a side plate provided with a first air port; and, a step of, in the first embodiment,

the bottom plate is provided with a second air port and is perpendicular to the side plate;

the first frame is attached to the side plate and the bottom plate, and the filter screen can be shifted and switched between the first air port and the second air port side, so that the filter screen shields the first air port and avoids the second air port; or, the filter screen shields the second air port to avoid the first air port.

8. The indoor unit of claim 7, wherein the indoor unit of the air conditioner,

the number of the bristle mechanisms is two, namely a first bristle mechanism and a second bristle mechanism, the first bristle mechanism is positioned below the rotating shaft, and the second bristle mechanism is positioned between the second air port and the first bristle mechanism.

9. The indoor unit of claim 8, wherein the indoor unit of the air conditioner,

the rotating shaft is positioned at the corner between the side plate and the bottom plate so that the filter screen can smoothly turn; the brush head of the first brushing mechanism is arc-shaped, and the arc-shaped is matched with the radian of the cylinder body of the rotating shaft, so that the brush head is integrally attached to the filter screen.

10. The air conditioning indoor unit according to any of claims 1 to 9, further comprising:

the dust collecting box is detachably connected to the shell, and the brushing mechanism is fixed in the dust collecting box.