Air conditioner

Abstract

The utility model provides an air conditioner which comprises a shell, a sealing cover and a driving assembly, and the shell is provided with an air inlet; the sealing cover is arranged at the air inlet; the driving assembly comprises a motor, a gear, a flexible rack and a connecting rod, the motor is installed on the shell, and the gear is fixedly arranged on a motor shaft of the motor; the shell is provided with a rack containing groove, and the flexible rack is slidably connected to the rack containing groove and engaged with the gear. Part of the flexible rack is arranged between the connecting rod and the gear; the connecting rod is slidably connected to the shell, the two ends of the connecting rod are connected to the sealing cover and the flexible rack correspondingly, and the connecting rod is used for driving the sealing cover to move in the first direction to open or close the air inlet. According to the air conditioner, the gear and the flexible rack are adopted for transmission, the connecting rod drives the sealing cover to ascend and descend, in the ascending and descending movement process of the connecting rod, the flexible rack is located in the shell all the time, lubricating oil on the flexible rack almost does not adsorb dust in air outside the shell, a transmission assembly cannot be polluted, and the service life of the air conditioner is prolonged. And the service life of the transmission assembly is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, and particularly to an air conditioner. Background Art

[0002] The air inlet of the air conditioner indoor unit is in an open state for a long time. Although a filter screen is provided at the air inlet, when the air conditioner is not running, the dust in the room will also fall on the filter screen. Therefore, when the air conditioner indoor unit is not running, it is necessary to cover the air inlet to prevent dust from falling on the filter screen.

[0003] In the prior art, some air conditioner indoor units are provided with a closing cover for opening or blocking the air inlet and a driving component for controlling the position of the closing cover. The driving component usually adopts a motor, a gear and a rack. The motor and the gear are respectively installed on the housing, and the rack is installed on the closing cover. The following deficiencies exist in this technical solution: lubricating oil needs to be applied for the gear and the rack to mesh to prevent jamming; during the rising process, the rack will extend out of the air conditioner housing, bringing out the lubricating oil, and the lubricating oil will adsorb the dust in the air, polluting the gear and rack transmission component, and further affecting the service life of the transmission component. Summary of the Utility Model

[0004] The utility model provides an air conditioner to solve the technical problem that in the prior art, the driving mode of using a motor, a gear and a rigid rack has the problem that during the rising process, the rack will extend out of the air conditioner housing, bringing out the lubricating oil, and the lubricating oil will adsorb the dust in the air, polluting the gear and rack transmission component, and further affecting the service life of the transmission component.

[0005] The utility model provides an air conditioner, comprising:

[0006] A housing having an air inlet;

[0007] A closing cover provided at the air inlet; and,

[0008] A driving component including a motor, a transmission component and a connecting rod. The motor is installed on the housing. The transmission component includes a gear and a flexible rack. The gear is fixedly provided on the motor shaft of the motor. The housing is provided with a rack receiving groove. The flexible rack is slidably connected to the rack receiving groove and meshes with the gear. Part of the flexible rack is provided between the connecting rod and the gear. The connecting rod is slidably connected to the housing and its two ends are respectively connected to the closing cover and the flexible rack for driving the closing cover to move in a first direction to open or close the air inlet;

[0009] Wherein, the first direction refers to the direction perpendicular to the air inlet surface of the air inlet.

[0010] An air conditioner provided by the utility model adopts a transmission component composed of a gear and a flexible rack to realize the lifting of a connecting rod driving a closing cover. During the lifting movement of the connecting rod, the flexible rack in the transmission component is always located inside the housing, and the lubricating oil on the flexible rack hardly adsorbs the dust in the air outside the housing. The transmission component will not be polluted, thereby improving the service life of the transmission component.

[0011] Further, the housing is provided with a guiding groove which extends along the first direction, and the guiding groove communicates with the rack receiving groove. The connecting rod is slidably connected to the guiding groove and one end of the connecting rod can extend out of the guiding groove. With such a setting, the guiding groove provides guidance for the movement of the connecting rod.

[0012] Further, the housing is provided with a pin shaft, and the gear is pivotally connected to the housing through the pin shaft;

[0013] And / or, the rack receiving groove includes an arc groove and a straight groove which are communicated with each other. The arc groove communicates with the guiding groove, and the straight groove is arranged opposite to the guiding groove; or, the rack receiving groove is an arc receiving groove which communicates with the guiding groove and is located on one side of the guiding groove.

[0014] Further, a part of the guiding groove bulges towards one side of the rack receiving groove to form a gear receiving groove for receiving the gear, and the pin shaft is arranged in the gear receiving groove.

[0015] Further, the driving component further includes a driving box which includes a box body and a box cover connected to each other. The box body and / or the box cover is installed on the housing; the box body has a shaft hole, the motor is installed outside the box body and its motor shaft extends into the shaft hole; the pin shaft, the guiding groove and the rack receiving groove are all arranged inside the box cover. With such a setting, the motor, the guiding groove, the rack receiving groove and each driving component of the connecting rod are integrated on the driving box. On the one hand, the housing of the air conditioner only needs to process the connection structure with the driving box, reducing the processing complexity of the housing of the air conditioner, thereby reducing the manufacturing cost of the air conditioner; on the other hand, the disassembly and assembly efficiency of each driving component and the housing of the air conditioner is improved; in addition, modular production and assembly of the driving component are realized, improving the maintainability of the driving component and the assembly efficiency.

[0016] Further, the housing includes a middle frame and an end cover. The end cover is installed on the side surface of the middle frame, and the driving box is installed between the middle frame and the end cover. With such a setting, by arranging the driving box between the middle frame and the end cover, the space between the middle frame and the end cover is fully utilized, so that the driving box does not occupy extra space, and thus will not increase the size of the air conditioner; in addition, the end cover plays a role in protecting the driving box and preventing damage to the driving box under the action of external force.

[0017] Furthermore, the box body is located between the middle frame and the box cover; or, the box cover is located between the middle frame and the box body; the middle frame is provided with an avoidance hole, and the motor extends into the middle frame through the avoidance hole.

[0018] Furthermore, at least one of the side surfaces of the box body and the box cover is provided with a connecting block, and the connecting block is connected to the middle frame through a fastener.

[0019] Furthermore, the motor has at least two lugs, and the lugs are fixedly connected to the box cover or the box body through fasteners; or, the motor has two such lugs, one of the lugs is clamped to the box cover, and the other lug is fixedly connected to the box cover or the box body through a fastener.

[0020] Furthermore, a limiting groove is provided on one side of the connecting rod close to the gear, the limiting groove extends along the first direction, and a part of the flexible rack is accommodated in the limiting groove. With such a setting, the limiting groove is used to accommodate and limit the flexible rack.

[0021] Furthermore, the connecting rod is an I-shaped connecting rod, and the I-shaped connecting rod forms the limiting groove.

[0022] Furthermore, one end of the flexible rack is provided with a first connection structure, and one end of the connecting rod along the first direction and away from the closed cover is provided with a second connection structure, and the first connection structure and the second connection structure are snap-connected. With such a setting, the first connection structure and the second connection structure realize the connection between the flexible rack and the connecting rod. The connection method is simple, no fasteners are required, and the assembly efficiency is high.

[0023] Furthermore, the first connection structure includes a first connecting plate and a second connecting plate. The two ends of the first connecting plate are respectively vertically connected to the second connecting plate and the flexible rack. The first connecting plate, the second connecting plate and the flexible rack form a first U-shaped groove; the second connection structure is a second U-shaped groove. A convex structure is provided on one of the side wall surfaces of the second U-shaped groove and the side wall surface of the first connecting plate, and a clamping groove is provided on the other. The convex structure and the clamping groove are snap-connected; one end of the second connecting plate and the flexible rack respectively abut against the limiting groove; the side wall surfaces of the first connecting plate respectively abut against the side wall surfaces of the second U-shaped groove. With such a setting, the first U-shaped groove, the second U-shaped groove, and the convex structure and the clamping groove, the inner side wall surface of the first groove respectively abuts against the inner wall surface of the limiting groove; the bottom wall surface of the first groove abuts against the top wall surface of the second U-shaped groove, thereby restricting the freedom degree of the lower end of the flexible rack and realizing the detachable connection between the lower end of the flexible rack and the lower end of the connecting rod.

[0024] An air conditioner provided by an embodiment of the present utility model has at least the following beneficial technical effects:

[0025] (1) An air conditioner provided by the present utility model adopts a transmission component composed of a gear and a flexible rack to realize the lifting of a connecting rod driving a closing cover. During the lifting movement of the connecting rod, the flexible rack in the transmission component is always located inside the housing, and the lubricating oil on the flexible rack hardly adsorbs dust in the air outside the housing. The transmission component will not be contaminated, thereby improving the service life of the transmission component.

[0026] (2) An air conditioner provided by the present utility model has a guide groove to guide the movement of the connecting rod.

[0027] (3) An air conditioner provided by the present utility model integrates each driving component such as a motor, a guide groove, a rack receiving groove, and a connecting rod on a driving box. On the one hand, the housing of the air conditioner only needs to be processed with the connection structure of the driving box, reducing the processing complexity of the housing of the air conditioner, thereby reducing the manufacturing cost of the air conditioner; on the other hand, the disassembly and assembly efficiency of each driving component and the housing of the air conditioner is improved; in addition, modular production and assembly of the driving component are realized, improving the maintainability of the driving component and the assembly efficiency.

[0028] (4) An air conditioner provided by the present utility model is arranged between a middle frame and an end cover by arranging the driving box, making full use of the space between the middle frame and the end cover, so that the driving box does not occupy extra space, and thus will not increase the size of the air conditioner; in addition, the end cover plays a role in protecting the driving box to avoid damage to the driving box under the action of external force.

[0029] (5) An air conditioner provided by the present utility model realizes the connection between the flexible rack and the connecting rod by setting a first connection structure and a second connection structure. The connection method is simple, no fasteners are required, and the assembly efficiency is high.

[0030] (6) An air conditioner provided by the present utility model restricts the degree of freedom of the lower end of the flexible rack by setting a first U-shaped groove, a second U-shaped groove, a convex structure and a clamping groove, and the inner side wall surface of the first groove respectively abuts against the inner wall surface of the limiting groove; the bottom wall surface of the first groove abuts against the top wall surface of the second U-shaped groove, thereby realizing the detachable connection between the lower end of the flexible rack and the lower end of the connecting rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is an exploded structural schematic diagram of an air conditioner provided by an embodiment of the present utility model;

[0032] Figure 2 is an exploded structural schematic diagram of a driving component in an air conditioner provided by an embodiment of the present utility model Figure 1 ;

[0033] Figure 3 Exploded structure schematic of a drive assembly in an air conditioner provided by an embodiment of the present utility model Figure 2 ;

[0034] Figure 4 Partial exploded structure schematic of an air conditioner provided by an embodiment of the present utility model;

[0035] Figure 5 is Figure 2 Partial enlarged structure schematic at the circled part C in

[0036] Explanation of reference numerals:

[0037] 110, middle frame; 111, air inlet; 112, avoidance hole; 120, end cover; 121, opening;

[0038] 20, closing cover; 210, cover plate; 220, side plate;

[0039] 30, drive assembly; 310, telescopic rod; 313, first snap structure; 314, limiting groove; 315, second U-shaped groove; 316, protruding structure; 320, motor; 321, lug; 330, transmission assembly; 334, gear; 335, flexible rack; 336, first connection structure; 3361, first connecting plate; 3362, second connecting plate; 337, first U-shaped groove; 340, drive box; 350, box cover; 351, shaft hole; 352, connection hole; 360, box body; 368, connecting column; 369, pin shaft; 370, rack storage groove; 371, arc groove; 372, straight groove; 373, guiding groove. Detailed implementation manners

[0040] To make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description is made of specific embodiments of the present utility model with reference to the attached Figure 1 —5.

[0041] In the present utility model, terms such as "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral structure.

[0042] In the present utility model, terms such as "inner", "outer", "upper" and "lower" indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0043] An embodiment of the present utility model provides an air conditioner. Refer to the attached Figure 1 and Figure 2, including a housing, a closing cover 20, and a driving assembly 30. The housing has an air inlet 11; the closing cover 20 is provided at the air inlet 111; the driving assembly 30 includes a motor 320, a transmission assembly 330, and a connecting rod 310. The motor 320 is installed in the housing. The transmission assembly 330 includes a gear 334 and a flexible rack 335. The gear 334 is fixed to the motor shaft of the motor 320. The housing is provided with a rack receiving groove 370. The flexible rack 335 is slidably connected to the rack receiving groove 370 and meshes with the gear 334. Part of the flexible rack 335 is provided between the connecting rod 310 and the gear 334. The connecting rod 310 is slidably connected to the housing and its two ends are respectively connected to the closing cover 20 and the flexible rack 335, and is used to drive the closing cover 20 to move in a first direction to open or close the air inlet 111; wherein, the first direction refers to the direction perpendicular to the air inlet surface of the air inlet 111.

[0044] It should be noted that in the prior art, a gear is usually meshed with a rigid rack, and the rigid rack is connected to the closing cover 20 to realize the lifting of the closing cover 20; wherein, lubricating oil needs to be applied to the meshing of the gear and the rigid rack to prevent jamming; during the rising process, the rigid rack will extend out of the air conditioner housing, bringing out the lubricating oil, and the lubricating oil adsorbs dust in the air, polluting the gear and the rigid rack, thereby affecting the service life of the transmission assembly; compared with the prior art that uses a gear and a rigid rack to realize lifting, an air conditioner provided by an embodiment of the present invention uses a transmission assembly 330 composed of a gear 334 and a flexible rack 335 to realize the lifting of the connecting rod 310 driving the closing cover 20. During the lifting movement of the connecting rod 310, the flexible rack 335 in the transmission assembly 330 is always located inside the housing, and the lubricating oil on the flexible rack 335 hardly adsorbs dust in the air outside the housing, and the transmission assembly 330 will not be polluted, thereby improving the service life of the transmission assembly 330.

[0045] In an embodiment of the present invention, the housing is provided with a guiding groove 373. The guiding groove 373 extends in the first direction, and the guiding groove 373 communicates with the rack receiving groove 370. The connecting rod 310 is slidably connected to the guiding groove 373 and one end of it can extend out of the guiding groove 373. With such a setting, the guiding groove 373 provides guidance for the movement of the connecting rod 310.

[0046] See the appendix Figure 2 , in an embodiment of the present invention, the housing is provided with a pin shaft 369, and the gear 334 is pivotally connected to the housing through the pin shaft 369.

[0047] The structural form of the rack receiving groove 370 can be various, specifically as follows:

[0048] See the appendix Figure 2, in an embodiment of the present utility model, in one implementation manner, the rack receiving groove 370 includes an arc groove 371 and a straight groove 372 that are interconnected. The arc groove 371 communicates with the guide groove 373, and the straight groove 372 is disposed opposite to the guide groove 373.

[0049] In another implementation manner of the embodiment of the present utility model, the rack receiving groove 370 is an arc receiving groove, the arc receiving groove communicates with the guide groove 373, and is located on one side of the guide groove 373.

[0050] See Appendix Figure 2 , in the embodiment of the present utility model, a part of the guide groove 373 protrudes towards one side of the rack receiving groove 370 to form a gear receiving groove, the gear receiving groove is used to receive the gear 334, and the pin shaft 369 is disposed in the gear receiving groove.

[0051] See Appendix Figure 1 and Figure 3 , in the embodiment of the present utility model, the drive assembly 30 further includes a drive box 340. The drive box 340 includes a box body 360 and a box cover 350 that are connected to each other. The box body 360 and / or the box cover 350 are installed on the housing; the box body 360 has a shaft hole 351, the motor 320 is installed outside the box body 360 and its motor shaft extends into the shaft hole 351; the pin shaft 369, the guide groove 373 and the rack receiving groove 370 are all disposed in the box cover 350. With such a setting, the motor 320, the guide groove 373, the rack receiving groove 370 and the connecting rod 310 and other drive components are integrated on the drive box 340. On the one hand, the housing of the air conditioner only needs to process the connection structure with the drive box 340, which reduces the processing complexity of the housing of the air conditioner, thereby reducing the manufacturing cost of the air conditioner; on the other hand, it improves the disassembly and assembly efficiency of each drive component and the housing of the air conditioner; in addition, modular production and assembly of the drive assembly 30 are realized, the maintainability of the drive assembly 30 is improved, and the assembly efficiency is improved.

[0052] See Appendix Figure 1 , in the embodiment of the present utility model, the housing includes a middle frame 110 and an end cover 120. The end cover 120 is installed on the side surface of the middle frame 110, and the drive box 340 is installed between the middle frame 110 and the end cover 120. With such a setting, by arranging the drive box 340 between the middle frame 110 and the end cover 120, the space between the middle frame 110 and the end cover 120 is fully utilized, so that the drive box 340 does not occupy extra space, and thus will not increase the size of the air conditioner; in addition, the end cover 120 plays a role in protecting the drive box 340, avoiding damage to the drive box 340 under the action of external force.

[0053] See Appendix Figure 1 , the end cover 120 is provided with an opening 121, and the connecting rod 310 can extend out of the opening 121 to be connected to the closing cover 20.

[0054] See Appendix Figure 1, the closed cover 20 includes a cover plate 210 and a side plate 220. The size of the cover plate 210 is adapted to the size of the air inlet 111; the side plate 220 is vertically connected to the cover plate 210 and is located outside the end cover 120, and the connecting rod 310 is connected to the inner side of the side plate 220. With such a setting, the connecting rod 310 is connected to the inner side of the side plate 220, avoiding the exposure of the connecting rod 310 and improving the aesthetics of the air conditioner.

[0055] In the embodiment of the present invention, there are 2 side plates 220 which are arranged in parallel at intervals.

[0056] See attached Figure 1 , in an embodiment of the present invention, in one implementation manner, the box body 360 is located between the middle frame 110 and the box cover 350.

[0057] See attached Figure 4 , in another embodiment of the present invention, in another implementation manner, the box cover 350 is located between the middle frame 110 and the box body 360. The middle frame 110 is provided with an avoidance hole 112, and the motor 320 extends into the middle frame 110 through the avoidance hole 112. With such a setting, by providing the avoidance hole 112 on the middle frame 110, the motor 320 extends into the avoidance hole 112, making full use of the internal space of the middle frame 110, reducing the size between the middle frame 110 and the end cover 120, and thus reducing the size of the air conditioner; in addition, the motor 320 is protected to avoid damage to the motor 320 under external forces.

[0058] See attached Figure 3 , in the embodiment of the present invention, at least one of the side surfaces of the box body 360 and the box cover 350 is provided with a connection block 380, and the connection block 380 is connected to the middle frame 110 through a fastener.

[0059] See attached Figure 2 , in an embodiment of the present invention, in one implementation manner, the motor has at least 2 lugs 321, and the lugs 321 are all fixedly connected to the box cover 350 or the box body 360 through fasteners. With such a setting, the reliable installation of the motor 320 is realized.

[0060] See attached Figure 3 , further, the box cover 350 is provided with connection holes 352 adapted to the fasteners, and connection columns 368 fixed to the fasteners are provided inside the box body 360 or inside the box cover 350. The number and position of the connection columns 368 correspond to those of the connection holes 352 one by one.

[0061] In another embodiment of the present utility model, the motor 320 has two lugs 321. One of the lugs 321 is snap-fitted to the lid 350, and the other lug 321 is fixedly connected to the lid 350 or the housing 360 by a fastener. With this arrangement, on the basis of snap-fitting, the fixed connection by the fastener improves the reliability of the installation of the motor 320; only one fastener is required to install and fix the motor 320, reducing the number of fasteners and facilitating further improvement of the assembly efficiency.

[0062] In an embodiment of the present utility model, the lid 350 is provided with a connection hole 352 adapted to the fastener, and a connection post 368 fixed to the fastener is provided inside the housing 360 or inside the lid 350; the lid 350 is provided with a boss, and the boss is provided with a card slot, and the lug 321 is clamped in the card slot. With this arrangement, the connection post 368 and the card slot are simple to manufacture and have low costs.

[0063] See Appendix Figure 3 In an embodiment of the present utility model, a limiting groove 314 is provided on one side of the connecting rod 310 close to the gear 334. The limiting groove 314 extends in the first direction, and a part of the flexible rack 335 is received in the limiting groove 314. With this arrangement, the limiting groove 314 is used to receive and limit the flexible rack 335.

[0064] See Appendix Figure 3 In an embodiment of the present utility model, the connecting rod 310 is an I-shaped connecting rod, and the I-shaped connecting rod forms the limiting groove 314.

[0065] See Appendix Figure 5 In an embodiment of the present utility model, one end of the flexible rack 335 is provided with a first connection structure 336, and the connecting rod 310 is provided with a second connection structure at one end along the first direction and away from the closed cover 20. The first connection structure 336 and the second connection structure are snap-connected. With this arrangement, the first connection structure 336 and the second connection structure realize the connection between the flexible rack 335 and the connecting rod 310. The connection method is simple, no fasteners are required, and the assembly efficiency is high.

[0066] See Appendix Figure 5, in the embodiment of the present utility model, the first connection structure 336 includes a first connection plate 3361 and a second connection plate 3362. The two ends of the first connection plate 3361 are respectively vertically connected to the second connection plate 3362 and the flexible rack 335, and the first connection plate 3361, the second connection plate 3362 and the flexible rack 335 form a first U-shaped groove 337; the second connection structure is a second U-shaped groove 315. A convex structure 316 is provided on one of the side wall surfaces of the second U-shaped groove 315 and the side wall surface of the first connection plate 3361, and a clamping groove is provided on the other. The convex structure 316 and the clamping groove are snap-connected; one end of the second connection plate 3362 and the flexible rack 335 respectively abuts against the limiting groove 314; the side wall surfaces of the first connection plate 3361 respectively abut against the side wall surfaces of the second U-shaped groove 315. With such a setting, for the first U-shaped groove 337, the second U-shaped groove 315, and the convex structure 316 and the clamping groove, the inner side wall surfaces of the first groove 337 respectively abut against the inner wall surfaces of the limiting groove 314; the bottom wall surface of the first groove 337 abuts against the top wall surface of the second U-shaped groove 315, thereby restricting the degrees of freedom of the lower end of the flexible rack 335 and realizing the detachable connection between the lower end of the flexible rack 335 and the lower end of the connecting rod 310.

[0067] Although the present utility model is disclosed as above, the present utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the scope defined by the claims.

Claims

1. An air conditioner, characterized in that, Comprising: A housing having an air inlet (111); A closing cover (20) provided at the air inlet (111); And A driving assembly (30) including a motor (320), a transmission assembly (330) and a connecting rod (310). The motor (320) is installed on the housing. The transmission assembly (330) includes a gear (334) and a flexible rack (335). The gear (334) is fixedly provided on the motor shaft of the motor (320). The housing is provided with a rack receiving groove (370). The flexible rack (335) is slidably connected to the rack receiving groove (370) and meshes with the gear (334). Part of the flexible rack (335) is provided between the connecting rod (310) and the gear (334). The connecting rod (310) is slidably connected to the housing and its two ends are respectively connected to the closing cover (20) and the flexible rack (335) for driving the closing cover (20) to move in a first direction to open or close the air inlet (111); Wherein, the first direction refers to the direction perpendicular to the air inlet surface of the air inlet (111).

2. The air conditioner according to claim 1, wherein The housing is provided with a guiding groove (373) extending along the first direction. The guiding groove (373) communicates with the rack receiving groove (370). The connecting rod (310) is slidably connected to the guiding groove (373) and one end thereof can extend out of the guiding groove (373).

3. The air conditioner according to claim 2, wherein The housing is provided with a pin shaft (369). The gear (334) is pivotally connected to the housing through the pin shaft (369); And / or, the rack receiving groove (370) includes an arc-shaped groove (371) and a straight groove (372) that communicate with each other. The arc-shaped groove (371) communicates with the guiding groove (373). The straight groove (372) is disposed opposite to the guiding groove (373); or, the rack receiving groove (370) is an arc-shaped receiving groove that communicates with the guiding groove (373) and is located on one side of the guiding groove (373).

4. The air conditioner according to claim 3, wherein Part of the guiding groove (373) protrudes towards the side of the rack receiving groove (370) to form a gear receiving groove for receiving the gear (334). The pin shaft (369) is disposed in the gear receiving groove; And / or, the driving assembly (30) further includes a driving box (340). The driving box (340) includes a box body (360) and a box cover (350) that are connected to each other. The box body (360) and / or the box cover (350) is installed on the housing; The box body (360) has a shaft hole (351). The motor (320) is installed outside the box body (360) and its motor shaft extends into the shaft hole (351). The pin shaft (369), the guiding groove (373) and the rack receiving groove (370) are all disposed inside the box cover (350).

5. The air conditioner according to claim 4, wherein, The housing includes a middle frame (110) and an end cap (120). The end cap (120) is installed on the side of the middle frame (110), and the drive box (340) is installed between the middle frame (110) and the end cap (120).

6. The air conditioner according to claim 5, characterized in that, The box body (360) is located between the middle frame (110) and the end cap (120); or, the box cover (350) is located between the middle frame (110) and the box body (360). The middle frame (110) is provided with an avoidance hole (112), and the motor (320) extends into the middle frame (110) through the avoidance hole (112). And / or, a connection block (380) is provided on the side surface of at least one of the box body (360) and the box cover (350), and the connection block (380) is connected to the middle frame (110) by a fastener. And / or, the motor (320) has at least two lugs (321), and the lugs (321) are all fixedly connected to the box cover (350) or the box body (360) by fasteners; or, the motor (320) has two lugs (321), one of the lugs (321) is clamped to the box cover (350), and the other lug (321) is fixedly connected to the box cover (350) or the box body (360) by a fastener.

7. The air conditioner according to any one of claims 1-6, characterized in that, A limiting groove (314) is provided on the side of the connecting rod (310) close to the gear (334). The limiting groove (314) extends along the first direction, and part of the flexible rack (335) is accommodated in the limiting groove (314).

8. The air conditioner according to claim 7, wherein, The connecting rod (310) is an I-shaped connecting rod, and the I-shaped connecting rod forms the limiting groove (314).

9. The air conditioner according to claim 8, characterized in that, One end of the flexible rack (335) is provided with a first connection structure (336). The connecting rod (310) is provided with a second connection structure at the end along the first direction and away from the closed cover (20). The first connection structure (336) and the second connection structure are snap-connected.

10. The air conditioner according to claim 9, characterized in that, The first connection structure (336) includes a first connection plate (3361) and a second connection plate (3362). The two ends of the first connection plate (3361) are respectively vertically connected to the second connection plate (3362) and the flexible rack (335). The first connection plate (3361), the second connection plate (3362) and the flexible rack (335) form a first U-shaped groove (337). The second connection structure is a second U-shaped groove (315). A convex structure (316) is provided on one of the side wall surfaces of the second U-shaped groove (315) and the side wall surface of the first connection plate (3361), and a clamping groove is provided on the other. The convex structure (316) and the clamping groove are snap-connected. One end of the second connection plate (3362) and the flexible rack (335) respectively abut against the limiting groove (314). The side wall surfaces of the first connection plate (3361) respectively abut against the side wall surfaces of the second U-shaped groove (315).

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