Air conditioner

Abstract

The utility model provides an air conditioner which comprises a middle frame, an end cover and a driving assembly, the middle frame is provided with an air inlet, and a sealing cover is arranged at the air inlet. The end cover covers the side surface of the middle frame; the driving assembly is arranged in a mounting groove between the middle frame and the end cover; the driving assembly is in transmission connection with the sealing cover and used for driving the sealing cover to open or block the air inlet. According to the air conditioner provided by the utility model, the driving assembly is arranged between the middle frame and the end cover, and the space between the middle frame and the end cover is fully utilized, so that the driving assembly does not occupy extra space, and the size of the air conditioner is not increased; the end cover can play a role in protecting the driving assembly, so that the driving assembly is prevented from being damaged under the action of external force; when the driving assembly breaks down, the driving assembly can be checked, disassembled and maintained only by disassembling the end cover from the middle frame; in addition, the driving assembly is prevented from protruding outwards relative to the end cover, the appearance of the end of the air conditioner is smooth and attractive, and the attractiveness of the air conditioner is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular 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 is installed at the air inlet, when the air conditioner is not running, indoor dust will also fall on the filter. Therefore, when the air conditioner indoor unit is not running, the air inlet needs to be covered to prevent dust from falling on the filter.

[0003] In the prior art, some air-conditioning indoor units are provided with a closing cover for opening or closing the air inlet and a driving assembly for controlling the position of the closing cover. The driving assembly is installed on the outside of the air-conditioning shell. Since the driving assembly has a certain thickness, the size of the air-conditioning will increase and the aesthetic appearance of the air-conditioning will be affected. Utility Model Content

[0004] The utility model provides an air conditioner for solving the technical problem in the prior art that a driving assembly is installed outside an air conditioner housing, and because the driving assembly has a certain thickness, the size of the air conditioner is increased and the aesthetic appearance of the air conditioner is affected.

[0005] The utility model provides an air conditioner, comprising a middle frame, an end cover and a driving assembly, wherein the middle frame has an air inlet, and a closing cover is provided at the air inlet; the end cover is covered on the side of the middle frame; and the driving assembly is arranged in a mounting groove between the middle frame and the end cover; the driving assembly is transmission-connected to the closing cover and is used to drive the closing cover to open or block the air inlet.

[0006] The utility model provides an air conditioner. On the first hand, by arranging a driving assembly between a middle frame and an end cover, the space between the middle frame and the end cover is fully utilized, so that the driving assembly does not occupy additional space, thereby not increasing the size of the air conditioner; on the second hand, by arranging the driving assembly between the middle frame and the end cover, that is, arranging it inside the air conditioner casing, the end cover can play a role in protecting the driving assembly to avoid damage to the driving assembly caused by external force; on the third hand, when a failure occurs in the driving assembly, the driving assembly can be inspected and disassembled for repair by only removing the end cover from the middle frame; in addition, the bulge of the driving assembly relative to the end cover is avoided, so that the appearance of the end of the air conditioner is smooth and beautiful, thereby improving the aesthetics of the air conditioner.

[0007] Furthermore, the driving assembly includes a driving member and a connecting rod, the driving member is installed on the middle frame or the end cover, the connecting rod is connected to the driving member in a transmission manner, the connecting rod moves along a first direction relative to the middle frame or the end cover, and one end of the connecting rod can extend out of the mounting slot and be connected to the closing cover, wherein the first direction refers to a direction perpendicular to the air inlet surface of the air inlet. With such an arrangement, the closing cover can automatically move along the first direction without manual operation, is easy to use, and improves the user experience.

[0008] Furthermore, the driving member is a motor, the driving assembly includes a transmission assembly, the power input end of the transmission assembly is connected to the motor, the power output end of the transmission assembly is connected to the connecting rod, and the motor and the transmission assembly are both installed on the middle frame.

[0009] Furthermore, the drive assembly also includes a drive box, which is installed on the middle frame; the motor is installed on the outer side of the drive box, and the motor shaft of the motor extends into the drive box; the transmission assembly is installed in the drive box, and the connecting rod is slidably connected in the drive box and one end of the connecting rod can extend out of the drive box. With such an arrangement, the motor, transmission assembly and connecting rod driving components are integrated on the drive box. On the one hand, the middle frame only needs to design a connection structure with the drive box, which reduces the structural complexity of the middle frame, thereby reducing the manufacturing cost of the air conditioner; on the other hand, it improves the disassembly and assembly efficiency of each driving component and the middle frame; in addition, modular production and assembly of the drive assembly are realized, the maintainability of the drive assembly is improved, and the assembly efficiency is improved.

[0010] Furthermore, the driving box includes a box body and a box cover connected to each other, the box cover has an axial hole, the motor is installed on the outer side of the box cover and the motor shaft of the motor extends into the axial hole; the transmission assembly is installed in the box body or the box cover; the connecting rod is slidably connected to the box body or the box cover and can extend out of the box body or the box cover. In this way, the box body and the box cover connected to each other are convenient for disassembly and assembly of the motor and the transmission assembly.

[0011] Furthermore, one of the box body and the connecting rod is provided with a guide rail, and the other is provided with a slide groove, and the slide groove is slidably connected to the guide rail along the first direction; the box cover is provided with a first protrusion, and the side of the connecting rod close to the box cover abuts against the first protrusion. In this way, under the combined effect of the sliding fit between the connecting rod and the box body and the abutment fit between the connecting rod and the first protrusion on the box cover, the sliding fit clearance between the connecting rod and the box body is reduced, the shaking of the connecting rod is avoided, and the sliding stability of the connecting rod is improved.

[0012] Further, the box body is provided with guide rails, and the connecting rod is provided with sliding grooves, and the sliding grooves are slidably connected to the guide rails along the first direction; the box body is provided with second protruding parts on both sides of the guide rails, and one side of the connecting rod close to the box body abuts against the second protruding parts. With such a setting, one side of the connecting rod close to the box body abuts against the second protruding part. Since the contact area between the second protruding part and the connecting rod is small, the surface contact friction between one side of the connecting rod close to the box body and the box body is avoided, and the sliding resistance between the connecting rod and the box body is reduced.

[0013] Further, the transmission assembly includes a driving wheel, a driven wheel and an annular member. The driving wheel is fixedly arranged on the motor shaft of the motor. The driven wheel is pivotally connected to the box body or the box cover. The driven wheel and the driving wheel are arranged at intervals. The annular member successively surrounds the driving wheel and the driven wheel. The driving wheel and the driven wheel cooperate to tension the annular member. The connecting rod is connected to the annular member. An air conditioner provided by the present utility model adopts a transmission assembly composed of a driving wheel, a driven wheel and an annular member to realize the lifting of the connecting rod driving the closing cover. This transmission assembly does not require lubricating oil, and the connecting rod will not be contaminated with lubricating oil. The surface of the connecting rod is smooth and free of oil stains. During the lifting movement of the connecting rod, the connecting rod will not adsorb dust in the air. Therefore, dust is not easily brought into the driving box by the connecting rod, so that the transmission assembly will not be polluted, and further the service life of the transmission assembly is improved.

[0014] Further, a first shaft is arranged in the box body, and the driving wheel is pivotally connected to the box body through the first shaft;

[0015] And / or, a second shaft is arranged in the box body or the box cover, and the driven wheel is pivotally connected to the box body or the box cover through the second shaft.

[0016] Further, when the driving box is installed on the middle frame, the box cover fits against the side surface of the middle frame; the middle frame is provided with an avoidance hole, and the motor extends into the middle frame through the avoidance hole. With such a setting, by arranging an avoidance hole on the middle frame, the motor can extend into the avoidance hole, making full use of the internal space of the middle frame, reducing the size between the middle frame and the end cover, and thus reducing the size of the air conditioner; in addition, the motor is protected to avoid damage to the motor under external force.

[0017] An air conditioner provided by the present utility model has at least the following beneficial technical effects:

[0018] (1) An air conditioner provided by the present utility model. On the one hand, by arranging the driving assembly 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 assembly does not occupy extra space, and thus the size of the air conditioner will not be increased. On the other hand, by arranging the driving assembly between the middle frame and the end cover, that is, inside the air conditioner housing, the end cover can play a role in protecting the driving assembly and prevent damage to the driving assembly under the action of external forces. On the third hand, when a failure occurs in the driving assembly, only the end cover needs to be removed from the middle frame, and then the driving assembly can be inspected and disassembled for repair. In addition, the protrusion of the driving assembly relative to the end cover is avoided, making the shape of the end of the air conditioner flat and beautiful, and improving the aesthetics of the air conditioner.

[0019] (2) An air conditioner provided by the present utility model. By setting a driving member and a connecting rod, the automatic movement of the closing cover along the first direction is realized, which does not require manual operation, is simple to use, and improves the user experience.

[0020] (3) An air conditioner provided by the present utility model. Integrating the driving components such as the motor, the transmission component and the connecting rod on the driving box. On the one hand, the middle frame only needs to design the connection structure with the driving box, which reduces the structural complexity of the middle frame, thereby reducing the manufacturing cost of the air conditioner. On the other hand, the disassembly and assembly efficiency of each driving component and the middle frame is improved. In addition, modular production and assembly of the driving assembly are realized, improving the maintainability of the driving assembly and the assembly efficiency.

[0021] (4) An air conditioner provided by the present utility model. Adopting a transmission component composed of a driving wheel, a driven wheel and an annular member to realize the lifting of the connecting rod driving the closing cover. This transmission component does not require lubricating oil, and the connecting rod will not be contaminated with lubricating oil, and the surface of the connecting rod is smooth and free of oil stains. During the lifting movement of the connecting rod, the connecting rod will not adsorb dust in the air. Therefore, dust is not easily brought into the driving box by the connecting rod, thus not polluting the transmission component, and further improving the service life of the transmission component.

[0022] (5) An air conditioner provided by the present utility model. Adopting a transmission component composed of a gear and a flexible rack to realize the lifting of the connecting rod driving the closing cover. During the lifting movement of the connecting rod, the flexible rack in this transmission component is always located inside the driving box, and the lubricating oil on the flexible rack hardly adsorbs dust in the air outside the driving box, and this transmission component will not be polluted, and further improves the service life of the transmission component.

[0023] (6) An air conditioner provided by the present utility model. By setting an avoidance hole on the middle frame, the motor can extend into the avoidance hole, fully utilizing the internal space of the middle frame, reducing the size between the middle frame and the end cover, and thus reducing the size of the air conditioner. In addition, the motor is protected to avoid damage under the action of external forces. Description of the Drawings

[0024] Figure 1 The first explosion structure schematic diagram of an air conditioner provided by an embodiment of the present utility model;

[0025] Figure 2 Schematic diagram when the closed cover of an air conditioner provided by an embodiment of the present utility model is in an open state;

[0026] Figure 3 Schematic diagram when the closed cover of an air conditioner provided by an embodiment of the present utility model is in a closed state;

[0027] Figure 4 Partial explosion structure schematic diagram of a driving component in an air conditioner provided by an embodiment of the present utility model Figure 1 ;

[0028] Figure 5 Partial explosion structure schematic diagram of a driving component in an air conditioner provided by an embodiment of the present utility model Figure 2 ;

[0029] Figure 6 Assembly structure schematic diagram of a driving component in an air conditioner provided by an embodiment of the present utility model;

[0030] Figure 7 For Figure 6 Partial enlarged structure schematic diagram of the circled part A in;

[0031] Figure 8 Partial structure schematic diagram of a driving component in an air conditioner provided by an embodiment of the present utility model Figure 1 ;

[0032] Figure 9 Partial structure schematic diagram of a driving component in an air conditioner provided by an embodiment of the present utility model Figure 2 ;

[0033] Figure 10 For Figure 9 Partial enlarged structure schematic diagram of the circled part B in;

[0034] Figure 11 The second explosion structure schematic diagram of an air conditioner provided by an embodiment of the present utility model;

[0035] Figure 12 Explosion structure schematic diagram of a driving component in an air conditioner provided by an embodiment of the present utility model Figure 3 ;

[0036] Figure 13 Explosion structure schematic diagram of a driving component in an air conditioner provided by an embodiment of the present utility model Figure 4 ;

[0037] Figure 14 ForFigure 12 Schematic diagram of the partial enlarged structure of the circled part C in

[0038] Figure 15 Axonometric schematic diagram of an air conditioner provided by an embodiment of the present utility model;

[0039] Figure 16 is Figure 15 Schematic diagram of the partial enlarged structure of the circled part D in

[0040] Figure 17 Schematic diagram of the end cover structure in an air conditioner provided by an embodiment of the present utility model;

[0041] Figure 18 is Figure 17 Schematic diagram of the partial enlarged structure of the circled part E in

[0042] Figure 19 Schematic diagram of the structure of a closed cover in an air conditioner provided by an embodiment of the present utility model;

[0043] Figure 20 is Figure 19 Schematic diagram of the partial enlarged structure of the circled part F in

[0044] Explanation of reference numerals:

[0045] 110, middle frame; 111, air inlet; 112, avoidance hole; 120, end cover; 121, opening; 130, groove; 131, strip hole; 132, first convex block; 133, decorative groove;

[0046] 20, closed cover; 210, cover plate; 220, side plate; 221, second buckle structure; 222, rib; 230, side plate body; 231, first folded edge; 232, second folded edge;

[0047] 30. driving assembly; 310. telescopic rod; 311. slide; 312. clamping assembly; 3121. first clamping plate; 3122. second clamping plate; 3123. second accommodating groove; 3124. toothed structure; 313. first buckle structure; 314. limiting groove; 315. second U-shaped groove; 316. protruding structure; 320. motor; 321. lug; 330. transmission assembly; 331. driving wheel; 332. driven wheel; 333. toothed belt; 334. gear; 335. flexible rack; 336. first connecting structure; 3361. first connecting plate; 3362. second connecting plate ; 337, first U-shaped groove; 340, drive box; 350, box cover; 351, shaft hole; 352, connecting hole; 353, slot; 354, first protrusion; 355, first connecting part; 356, first snap-fit structure; 360, box body; 361, first axis; 362, second axis; 363, guide rail; 3631, first accommodating groove; 364, limit block; 365, second protrusion; 366, second connecting part; 367, second snap-fit structure; 368, connecting column; 369, pin shaft; 370, rack receiving groove; 371, arc groove; 372, straight groove; 373, guide groove. DETAILED DESCRIPTION

[0048] In order to make the above-mentioned purpose, features and advantages of the present invention more obvious and easy to understand, the following is a brief description of the present invention in conjunction with the attached Figure 1 —20 A detailed description is given of the specific embodiments of the present invention.

[0049] In the present invention, the terms "connection" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated structure.

[0050] In the present invention, terms such as "inside", "outside", "upper" and "lower" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0051] The utility model embodiment provides an air conditioner, see attached Figure 1 The air conditioner includes a middle frame 110, an end cover 120 and a driving assembly 30. The middle frame 110 has an air inlet 111, and a closing cover 20 is provided at the air inlet 111; the end cover 120 covers the side of the middle frame 110; and the driving assembly 30 is arranged in a mounting groove between the middle frame 110 and the end cover 120; the driving assembly 30 is transmission-connected to the closing cover 20, and is used to drive the closing cover 20 to open or block the air inlet 111.

[0052] An air conditioner provided by an embodiment of the utility model, on the first hand, by arranging the driving assembly 30 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 driving assembly 30 does not occupy additional space, thereby not increasing the size of the air conditioner; on the second hand, by arranging the driving assembly 30 between the middle frame 110 and the end cover 120, that is, arranging it in the air conditioner casing, the end cover 120 can play a role in protecting the driving assembly 30, and avoid damage to the driving assembly 30 caused by external force; on the third hand, when the driving assembly 30 fails, only the end cover 120 needs to be removed from the middle frame 110, so that the driving assembly 30 can be inspected and disassembled for repair; in addition, the protrusion of the driving assembly 30 relative to the end cover 120 is avoided, so that the appearance of the end of the air conditioner is smooth and beautiful, thereby improving the aesthetics of the air conditioner.

[0053] See attached Figure 2 and Figure 4 In the embodiment of the utility model, the driving assembly 30 includes a driving member and a connecting rod 310. The driving member is installed on the middle frame 110 or the end cover 120. The connecting rod 310 is connected to the power output end of the driving member by transmission. The connecting rod 310 is connected to the driving member by transmission. The connecting rod 310 moves along the first direction relative to the middle frame 110 or the end cover 120, and one end of the connecting rod 310 can extend out of the mounting slot and be connected to the closing cover 20, wherein the first direction refers to the direction perpendicular to the air inlet surface of the air inlet. With such a configuration, the closing cover 20 can automatically move along the first direction without manual operation, which is simple to use and improves the user experience.

[0054] In the embodiment of the utility model, the type of the driving member is not limited, and the specifics are as follows:

[0055] See attached Figure 4 In one embodiment of the utility model, the driving member is a motor 320, and the driving assembly also includes a transmission assembly 330, the power input end of the transmission assembly 330 is connected to the motor 320, and the power output end of the transmission assembly 330 is connected to the connecting rod 310, and the motor 320 and the transmission assembly 330 are both installed in the middle frame 110.

[0056] In another implementation of the present utility model embodiment, the driving member is an electric push rod, the electric push rod is installed on the middle frame 110 or the end cover 120, and the connecting rod 310 is fixed to the power output end of the electric push rod.

[0057] See attached Figure 4, in the embodiment of the present utility model, the driving assembly 30 further includes a driving box 340, and the driving box 340 is installed on the middle frame 110; the motor 320 is installed on the outer side surface of the driving box 340, and the motor shaft of the motor 320 extends into the driving box 340; the transmission assembly 330 is installed in the driving box 340, and the connecting rod 310 is slidably connected in the driving box 340 and one end thereof can extend out of the driving box 340. With such a setting, the driving components such as the motor 320, the transmission assembly 330 and the connecting rod 310 are integrated on the driving box 340. On the one hand, the middle frame 110 only needs to design the connection structure with the driving box 340, which reduces the structural complexity of the middle frame 110, thereby reducing the manufacturing cost of the air conditioner; on the other hand, the disassembly and assembly efficiency of each driving component and the middle frame 110 is improved; in addition, modular production and assembly of the driving assembly 30 are realized, the maintainability of the driving assembly 30 is improved, and the assembly efficiency is improved.

[0058] See attached Figure 4 , in the embodiment of the present utility model, the driving box 340 includes a box body 360 and a box cover 350 which are connected to each other. The box cover 350 has a shaft hole 351. The motor 320 is installed on the outer side surface of the box cover 350 and the motor shaft of the motor 320 extends into the shaft hole 351; the transmission assembly 330 is installed in the box body 360 or the box cover 350; the connecting rod 310 is slidably connected to the box body 360 or the box cover 350 and one end thereof can extend out of the box body 360 and the box cover 350. With such a setting, the box body 360 and the box cover 350 which are connected to each other facilitate the disassembly and assembly of the motor 320 and the transmission assembly 330.

[0059] See attached Figure 4 and Figure 5 , one of the box body 360 and the connecting rod 310 is provided with a guide rail 363, and the other is provided with a sliding groove 311. The sliding groove 311 is slidably connected to the guide rail 363 along the first direction; the box cover 350 is provided with a first convex portion 354, and one side of the connecting rod 310 close to the box cover 350 abuts against the first convex portion 354. With such a setting, under the combined action of the sliding fit between the connecting rod 310 and the box body 360 and the abutting fit between the connecting rod 310 and the first convex portion 354 on the box cover 350, the sliding fit clearance between the connecting rod 310 and the box body 360 is reduced, the shaking of the connecting rod 310 is avoided, and the sliding stability of the connecting rod 310 is improved.

[0060] See attached Figure 4 and Figure 5, the box body 360 is provided with a guide rail 363, the connecting rod 310 is provided with a sliding groove 311, and the sliding groove 311 is slidably connected to the guide rail 363 along the first direction; the box body 360 is provided with a second protruding portion 365, the second protruding portion 365 is located on both sides of the guide rail 363, and one side of the connecting rod 310 close to the box body 360 abuts against the second protruding portion 365. With such a setting, one side of the connecting rod 310 close to the box body 360 abuts against the second protruding portion 365. Since the contact area between the second protruding portion 365 and the connecting rod 310 is small, the surface contact friction between one side of the connecting rod 310 close to the box body 360 and the box body 360 is avoided, and the sliding resistance between the connecting rod 310 and the box body 360 is reduced.

[0061] See the appendix Figure 4 , in the embodiment of the present invention, the transmission assembly 330 can be a belt drive or a chain drive. The transmission assembly 330 includes a driving wheel 331, a driven wheel 332 and an annular member. The driving wheel 331 is fixedly arranged on the motor shaft of the motor 320, the driven wheel 332 is pivotally connected to the box body 360 or the box cover 350, the driven wheel and the driving wheel 331 are arranged at intervals, the annular member sequentially surrounds the driving wheel 331 and the driven wheel 332, and the driving wheel 331 and the driven wheel 332 cooperate to tension the annular member; the connecting rod 310 is connected to the annular member. 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; among them, 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, and further affecting the service life of the transmission assembly; compared with the prior art in which a gear and a rigid rack are used to realize lifting, an air conditioner provided by the embodiment of the present invention adopts a transmission assembly 30 composed of a driving wheel 331, a driven wheel 332 and an annular member to realize the lifting of the connecting rod 310 driving the closing cover 20. The transmission assembly 330 does not require lubricating oil, and the connecting rod 310 will not be contaminated with lubricating oil. The surface of the connecting rod 310 is smooth and free of oil stains; during the lifting movement of the connecting rod 310, the connecting rod 310 will not adsorb dust in the air. Therefore, dust is not easily brought into the driving box 340 by the connecting rod 310, so that the transmission assembly 330 will not be polluted, and further the service life of the transmission assembly 330 is improved.

[0062] See the appendix Figure 4, in the embodiment of the present utility model, a first shaft 361 is provided inside the box body 360, and the driving wheel 331 is pivotally connected to the box body 360 through the first shaft 361. The connection manner between the first shaft 361 and the box body 360 is not limited, and specifically as follows: In one embodiment, the first shaft 361 is fixed to the box body 360, and the driving wheel 331 is pivotally connected to the first shaft 361; in another embodiment, the first shaft 361 is pivotally connected to the box body 360, and the driving wheel 331 is fixed to the first shaft 361. With such a setting, the first shaft 361 is arranged inside the box body 360 to realize the pivotal connection between the driving wheel 331 and the box body 360. The first shaft 361 supports the driving wheel 331 and bears the acting force of the annular member on the driving wheel 331, reduces the radial acting force of the driving wheel 331 on the motor shaft, and improves the service life of the motor 320.

[0063] See the appendix Figure 4 , in the embodiment of the present utility model, a second shaft 362 is provided inside the box body 360 or the box cover 350, and the driven wheel 332 is pivotally connected to the box body 360 or the box cover 350 through the second shaft 362. The connection manner between the second shaft 362 and the box body 360 or the box cover 350 is not limited, and specifically as follows: In one embodiment, the second shaft 362 is fixed to the box body 360 or the box cover 350, and the driven wheel 332 is pivotally connected to the second shaft 362; in another embodiment, the second shaft is pivotally connected to the box body 360 or the box cover 350, and the driven wheel 332 is fixed to the second shaft 362. With such a setting, the second shaft 362 is arranged inside the box body 360 or the box cover 350 to realize the pivotal connection between the driven wheel 332 and the box body 360 or the box cover 350.

[0064] See the appendix Figure 6 and Figure 7 , in the embodiment of the present utility model, the box cover 350 is provided with a first convex portion 354, and one side of the connecting rod 310 close to the box cover 350 abuts against and is slidably connected to the first convex portion 354; and / or, the box body 360 is provided with a second convex portion 365, the second convex portion 365 is located on both sides of the guide rail 363, and one side of the connecting rod 310 close to the box body 360 abuts against and is slidably connected to the second convex portion 365. With such a setting, the connecting rod 310 is limited between the first convex portion 354 and the second convex portion 365, preventing the connecting rod 310 from tilting.

[0065] In the embodiment of the present utility model, the first convex portion 354 is a first strip-shaped convex portion, and the first strip-shaped convex portion extends along the first direction; or the first convex portion 354 includes a plurality of first convex points, and the plurality of first convex points are arranged at intervals along the first direction.

[0066] In the embodiment of the present utility model, the second convex portion 365 is a second strip-shaped convex portion, and the second strip-shaped convex portion extends along the first direction; or, the second convex portion 365 includes a plurality of second convex points, and the plurality of second convex points are arranged at intervals along the second direction.

[0067] See the appendix Figure 9, in the embodiment of the present utility model, a clamping assembly 312 is fixedly provided on the connecting rod 310, and the clamping assembly 312 clamps the straight section of the annular member. With such a setting, the connection between the connecting rod 310 and the annular member is realized, so that the straight section of the annular member drives the connecting rod 310 to move in the first direction.

[0068] See the appendix Figure 10 , in the embodiment of the present utility model, the clamping assembly 312 includes a first clamping plate 3121 and a second clamping plate 3122 which are connected to each other. There is a second receiving groove 3123 between the first clamping plate 3121 and the second clamping plate 3122, and the second receiving groove 3123 cooperates with the straight section of the annular member.

[0069] The connection method of the first clamping plate 3121, the second clamping plate 3122 and the straight section of the annular member is not limited, and specifically as follows:

[0070] In an embodiment of the present utility model, in one implementation manner, the first clamping plate 3121 and the second clamping plate 3122 are connected by fasteners. With such a setting, the first clamping plate 3121 and the second clamping plate 3122 connected by fasteners clamp the straight section of the annular member between the first clamping plate 3121 and the second clamping plate 3122, realizing the fixed connection between the straight section of the annular member and the connecting rod 310.

[0071] See the appendix Figure 4 , Figure 8 and Figure 10 , in the embodiment of the present utility model, in another implementation manner, the annular member is a toothed belt 333; a toothed structure 3124 is provided on the inner wall surface of the second receiving groove 3123, and the toothed structure 3124 meshes with the toothed belt 333. With such a setting, through the meshing of the toothed belt 333 and the toothed structure 3124, the connection between the toothed belt 333 and the connecting rod 310 is realized, reducing the number of fasteners used and improving the assembly efficiency.

[0072] In other implementation manners of the embodiment of the present utility model, the annular member is a toothed belt 333; a toothed structure 3124 is provided on the inner wall surface of the second receiving groove 3123, and the toothed structure 3124 meshes with the toothed belt 333; and, the first clamping plate 3121 and the second clamping plate 3122 are connected by fasteners. With such a setting, on one hand, through the meshing of the toothed belt 333 and the toothed structure 3124, the connection between the toothed belt 333 and the connecting rod 310 is realized; on the other hand, the first clamping plate 3121 and the second clamping plate 3122 are connected by fasteners to improve the connection stability and reliability between the toothed belt 333 and the connecting rod 310.

[0073] See the appendix Figure 9 and Figure 10, in the embodiment of the present utility model, a limiting block 364 is provided inside the box body 360. If the closing cover 20 moves along the first direction and away from the air inlet 111, the limiting block 364 can abut against the end face of the clamping assembly 312. With such a setting, the movement of the closing cover 20 along the first direction and away from the air inlet 111 is limited.

[0074] See Appendix Figure 11 , Figure 12 and Figure 13 , in the embodiment of the present utility model, in addition to using belt drive or chain drive for the transmission assembly 330, the transmission assembly can also adopt a gear 334 and a flexible rack 335 for transmission. Specifically, the box body 360 is provided with a rack storage groove 370; the transmission assembly 330 includes a gear 334 and a flexible rack 335. The gear 334 is fixed on the motor shaft of the motor 320, and the flexible rack 335 is slidably connected to the rack storage groove 370 and meshes with the gear 334; part of the flexible rack 335 is arranged between the connecting rod 310 and the gear 334; one end of the connecting rod 310 away from the closing cover 20 is connected to one end of the flexible rack 335. 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; among them, lubricating oil needs to be applied to prevent jamming when the gear and the rigid rack are meshed; 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, and further affecting the service life of the transmission assembly; compared with using a gear and a rigid rack to realize lifting in the prior art, an air conditioner provided by the embodiment of the present utility model adopts 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 driving box 340, and the lubricating oil on the flexible rack 335 hardly adsorbs dust in the air outside the driving box 340, and the transmission assembly 330 will not be polluted, thereby improving the service life of the transmission assembly 330.

[0075] See Appendix Figure 12 , in the embodiment of the present utility model, the box body 360 is provided with a pin shaft 369, and the gear 334 is pivotally connected to the box body 360 through the pin shaft 369. The connection method of the pin shaft 369 and the box body 360 is not limited. In one embodiment, the pin shaft 369 is fixed on the box body 360, and the gear 334 is pivotally connected to the pin shaft 369; in another embodiment, the pin shaft 369 is pivotally connected to the box body 360, and the gear 334 is fixed on the pin shaft 369. With such a setting, a pin shaft 369 is arranged inside the box body 360 to realize the pivotal connection of the gear 334 and the box body 360 and support the gear 334, reducing the radial acting force of the gear 334 on the motor shaft.

[0076] See Appendix Figure 12, in an embodiment of the present utility model, the box body 360 is provided with a guide groove 373, the guide groove 373 extends along a first direction, the guide groove 373 communicates with the rack receiving groove 370, and the connecting rod 310 is slidably connected to the guide groove 373 and one end thereof can extend out of the guide groove 373. With such a setting, the guide groove 373 guides the movement of the connecting rod 310.

[0077] The structural form of the rack receiving groove 370 can be various, specifically as follows:

[0078] See the appendix Figure 12 , 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 communicate with each other, the arc groove 371 communicates with the guide groove 373, and the straight groove 372 is disposed opposite to the guide groove 373.

[0079] , 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.

[0080] See the appendix Figure 12 , in an embodiment of the present utility model, a part of the guide groove 373 protrudes toward the side of the rack receiving groove 370 to form a gear receiving groove for receiving the gear 334, and the pin shaft 369 is disposed in the gear receiving groove.

[0081] See the appendix Figure 12 , Figure 13 and Figure 14 , in an embodiment of the present utility model, 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 a part of the flexible rack 335 is received in the limiting groove 314. With such a setting, the limiting groove 314 is used to receive and limit the flexible rack 335.

[0082] , 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.

[0083] See the appendix Figure 14 , 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 end of the connecting rod 310 along the first direction and away from the closing cover 20 is provided with a second connection structure, and the first connection structure 336 and the second connection structure are snap-connected. With such a setting, 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.

[0084] See the appendix Figure 14, 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. 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 inner wall surface of 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, 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 surface of the first groove 337 respectively abuts against the inner wall surface 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 freedom degree 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.

[0085] See the appendix Figure 1 and Figure 4 , in the embodiment of the present utility model, in one implementation manner, when the driving box 340 is installed on the middle frame 110, the box cover 350 fits against the side surface of the middle frame 110; 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 can extend 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, protecting the motor 320 and avoiding the damage of the motor 320 under the action of external force.

[0086] In the embodiment of the present utility model, the connection manner between the motor 320 and the box cover 350 and the box body 360 is not limited, and specifically as follows:

[0087] See the appendix Figure 4 and Figure 5 , in the embodiment of the present utility model, in one implementation manner, the motor 320 has at least 2 lug ears 321, and the lug ears 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.

[0088] Further, see the appendix Figure 4 , in the embodiment of the present utility model, 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.

[0089] See the appendixFigure 4 , in another embodiment of the present utility model, the motor 320 has two lugs 321, one of the lugs 321 is snap-connected to the box cover 350, and the other lug 321 is fixedly connected to the box cover 350 or the box body 360 through a fastener. With such a setting, on the basis of snap connection, the fixed connection through the fastener improves the reliability of the installation of the motor 320; only one fastener is required to realize the installation and fixation of the motor 320, reducing the number of fasteners and being beneficial to further improving the assembly efficiency.

[0090] See appendix Figure 4 , in an embodiment of the present utility model, the box cover 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 box body 360 or inside the box cover 350; the box cover 350 is provided with a boss, and the boss is provided with a card slot 353, and the lug 321 is clamped in the card slot 353. With such a setting, the connection post 368 and the card slot 353 are simple to manufacture and have low cost.

[0091] In an embodiment of the present utility model, the connection manner between the box body 360 and the box cover 350 and the connection manner between the box body 360, the box cover 350 and the middle frame 110 are not limited, and are specifically as follows:

[0092] See appendix Figure 5 , in the first embodiment of the present utility model, the side surface of the box cover 350 is provided with a first connection portion 355, the side surface of the box body 360 is provided with a second connection portion 366, the positions and numbers of the first connection portion 355 and the second connection portion 366 correspond one by one, and the first connection portion 355 and the second connection portion 366 are fixedly connected to the middle frame 110 through a fastener. It should be noted that the fastener is a screw. With such a setting, the box body 360 and the box cover 350 are stably connected to the middle frame 110.

[0093] See appendix Figure 5 , in the second embodiment of the present utility model, the side surface of the box cover 350 is provided with a first snap structure 356, the side surface of the box body 360 is provided with a second snap structure 367, and the first snap structure 356 and the second snap structure 367 are snap-connected. With such a setting, snap structures are provided on the box cover 350 and the box body 360, improving the assembly efficiency of the box cover 350 and the box body 360.

[0094] In the third embodiment of the present utility model, the above first embodiment and the second embodiment are combined. With such a setting, the box cover 350 and the box body 360 are first snap-connected by using the first snap structure 356 and the second snap structure 367; then the box cover 350 and the box body 360 are fixed to the middle frame 110 through fasteners.

[0095] See appendix Figure 5, in the fourth implementation manner of the embodiment of the present utility model, on the basis of the second implementation manner, a first connecting portion 355 is provided on the side surface of the lid 350, and the first connecting portion 355 is fixedly connected to the middle frame 110 through a fastener; alternatively, a second connecting portion 366 is provided on the side surface of the box body 360, and the second connecting portion 366 is fixedly connected to the middle frame 110 through a fastener. With such a setting, first, the first clamping structure 356 and the second clamping structure 367 are used to realize the clamping connection of the lid 350 and the box body 360; then, the lid 350 and the box body 360 are fixed to the middle frame 110 through fasteners.

[0096] See attached Figure 2 , in the embodiment of the present utility model, the closing 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.

[0097] See attached Figure 2 , in the embodiment of the present utility model, there are 2 side plates 220 which are arranged in parallel at intervals.

[0098] See attached Figure 1 , in the embodiment of the present utility model, the end cover 120 is provided with an opening 121, and one end of the connecting rod 310 can extend out of the opening 121.

[0099] See attached Figure 16 and Figure 18 , in the embodiment of the present utility model, the end cover 120 is provided with a strip-shaped hole 131 which extends along the first direction, and the strip-shaped hole 131 communicates with the opening 121; a convex strip 222 is provided on the inner wall surface of the side plate 220, and the convex strip 222 extends along the first direction, and the convex strip 222 is slidably connected to the strip-shaped hole 131 and extends into the end cover 120. With such a setting, on the one hand, the convex strip 222 is slidably connected to the strip-shaped hole 131 to provide guidance for the movement of the side plate 222 along the first direction; on the other hand, by providing the convex strip 222, the strength of the side plate 220 is enhanced, and the bending deformation of the side plate 220 is reduced.

[0100] See attached Figure 16 , in the embodiment of the present utility model, a guide rail 363 is provided on the box body 360. The guide rail 363 is provided with a first receiving groove 3631, the opening of the first receiving groove 3631 faces the end cover 120 and it extends along the first direction; the convex strip 222 passes through the strip-shaped hole 131 and extends into the first receiving groove 3631. With such a setting, the convex strip 222 extends into the first receiving groove 3631, and there is an overlap between the convex strip 222 and the guide rail 363, avoiding the generation of gaps and improving the aesthetics of the air conditioner.

[0101] See attached Figure 2And Figure 16 In an embodiment of the present utility model, the closed cover 20 includes a cover plate 210 and a side plate 220. The cover plate 210 is disposed at the air inlet 111; the side plate 220 is vertically connected to the cover plate 210, located on the outer side of the end cover 120 and moves relative to the end cover 120 in the first direction; a groove 130 is provided on the outer surface of the end cover 120. If the cover plate 210 blocks the air inlet 111, the outer contour of the side plate 220 cooperates with the groove 130. With such a setting, by providing the groove 130 on the outer side of the end cover 120, when the cover plate 210 blocks the air inlet 111, the side plate 220 is received in the groove 130. On the one hand, it does not occupy the external horizontal space of the indoor unit of the air conditioner, so as not to increase the horizontal size of the indoor unit of the air conditioner; on the other hand, the side plate 220 is received in the groove 130, and the groove 130 limits the side plate 220, improving the stability of the closed cover 20.

[0102] See the appendix Figure 18 In an embodiment of the present utility model, a strip-shaped hole 131 is provided in the groove 130.

[0103] See the appendix Figure 17 In an embodiment of the present utility model, the opening size of the groove 130 on the side close to the cover plate 210 and along the first direction is large, and the opening size on the side far from the cover plate 210 is small; the size of the side plate 220 on the side close to the cover plate 210 and along the first direction is large, and the size on the side far from the cover plate 210 is small. With such a setting, the size at the connection between the side plate 220 and the cover plate 210 is wide, and the size of the end of the side plate 220 far from the cover plate 210 is narrow, thereby improving the connection stability and support stability between the side plate 220 and the cover plate 210.

[0104] See the appendix Figure 17 In an embodiment of the present utility model, in one implementation manner, the cross-sectional shape of the groove 130 is Y-shaped, and the cross-sectional shape of the side plate 220 is Y-shaped. With such a setting, the opening size of the groove 130 gradually decreases first and then remains unchanged along the direction away from the cover plate 210, and the size of the side plate 220 gradually decreases first and then remains unchanged along the direction away from the cover plate 210, making the appearance of the air conditioner more rounded and improving the aesthetics of the air conditioner.

[0105] See the appendix Figure 17 In an embodiment of the present utility model, in another implementation manner, the cross-sectional shape of the groove 130 is V-shaped, and the cross-sectional shape of the side plate 220 is V-shaped. With such a setting, the opening size of the groove 130 gradually decreases along the direction away from the cover plate 210, and the size of the side plate 220 gradually decreases along the direction away from the cover plate 210, making the appearance of the air conditioner more rounded and improving the aesthetics of the air conditioner.

[0106] See the appendix Figure 20, in the embodiment of the present utility model, the side plate 220 includes a side plate body 230, a first folded edge 231 and a second folded edge 232. Both the first folded edge 231 and the second folded edge 232 are bent towards the inner side of the side plate body 230. The first folded edge 231 is located at one end of the side plate body 230 along the first direction and away from the cover plate 210, and the second folded edge 232 is located at both ends of the side plate body 230 along the second direction; if the cover plate 210 seals the air inlet 111, the first folded edge 231 and the second folded edge 232 are respectively in contact with the inner wall surface of the groove 130; wherein, the second direction is parallel to the plane where the side plate body 230 is located and perpendicular to the first direction. With such a setting, the first folded edge 231 and the second folded edge 232 enhance the strength and bending resistance of the side plate 220; and, by setting the second folded edge 232, there is an overlap between the rib 222 and the second folded edge 232, avoiding the generation of gaps and improving the aesthetics of the air conditioner.

[0107] See Appendix Figure 18 , in the embodiment of the present utility model, the groove 130 is provided with a first convex block 132, and the first convex block 132 is located on both sides of the strip-shaped hole 131 along the second direction; if the cover plate 210 opens the air inlet 111, the first convex block 132 can be in contact with the inner surface of the first folded edge 231 along the first direction. With such a setting, the first convex block 132 realizes the limit of the side plate 220 and avoids the inclination of the side plate 220.

[0108] See Appendix Figure 18 , in the embodiment of the present utility model, the groove 130 is provided with decorative grooves 133, there are multiple decorative grooves 133, and the multiple decorative grooves 133 are symmetrically arranged on both sides of the strip-shaped hole 131 respectively; along the first direction and in the direction close to the cover plate 210, the distance between the symmetrically arranged decorative grooves 133 gradually increases. With such a setting, by setting the decorative grooves 133, the visual effect of the strip-shaped hole 131 is weakened, and the aesthetics of the air conditioner is improved.

[0109] See Appendix Figure 18 , in the embodiment of the present utility model, the cross-sectional shape of the symmetrically arranged decorative grooves 133 is Y-shaped or V-shaped.

[0110] See Appendix Figure 4 , Figure 5 and Figure 20 , in the embodiment of the present utility model, the end of the connecting rod 310 is provided with a first snap structure 313, and the inner side surface of the side plate 220 is provided with a second snap structure 221, and the second snap structure 221 is snap-connected with the first snap structure 313. With such a setting, the side plate 220 and the connecting rod 310 are snap-connected, and the installation method is simple and detachable.

[0111] See Appendix Figure 4 , Figure 5 and Figure 20, in the embodiment of the present utility model, one of the first snap structure 313 and the second snap structure 221 is a snap groove, the snap groove includes a groove opening and a groove cavity, compared with the groove cavity, the groove opening is located at one end away from the cover plate 210, and the size of the groove opening is smaller than that of the groove cavity; the other is a snap block, the size of the snap head of the snap block is larger than the size of the groove opening and can extend into the groove cavity along the third direction and cooperate with the groove cavity; wherein, the third direction refers to the direction perpendicular to the side plate 220, and the third direction is perpendicular to the first direction and the second direction. With such a setting, the size of one end of the snap groove close to the cover plate is large, and the size of the end away from the cover plate is small. The size of one end of the snap block close to the cover plate is large, and the size of the end away from the cover plate is small. With such a setting, after the snap head of the snap block and the snap groove are matched, the degrees of freedom of the snap block and the snap groove along the first direction and along the width direction of the groove cavity of the snap groove are restricted; the degrees of freedom of the snap block and the snap groove along the third direction are not restricted, so as to avoid the situation that the manufacturing error of the closing cover 20 causes the closing cover 20 and the connecting rod 310 to be unable to be assembled.

[0112] In the embodiment of the present utility model, a second convex block is provided on the inner surface of the side plate 220, and the snap groove is provided on the second convex block; the snap block is provided at the end of the connecting rod 310.

[0113] In the embodiment of the present utility model, the snap groove is a T-shaped groove or a dovetail groove.

[0114] In the embodiment of the present utility model, the end cover 120 is snap-connected to the middle frame 110, and / or, the end cover 120 is connected to the middle frame 110 through fasteners.

[0115] 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 middle frame (110) having an air inlet (111), and a closing cover (20) is provided at the air inlet (111); An end cover (120) covering the side surface of the middle frame (110); and, A driving assembly (30) disposed in an installation groove between the middle frame (110) and the end cover (120); the driving assembly (30) is in transmission connection with the closing cover (20) for driving the closing cover (20) to open or block the air inlet (111).

2. The air conditioner according to claim 1, characterized in that, The driving assembly (30) includes a driving member and a connecting rod (310), the driving member is installed on the middle frame (110) or the end cover (120), the connecting rod (310) is in transmission connection with the driving member, the connecting rod (310) moves relative to the middle frame (110) or the end cover (120) in a first direction, and one end of the connecting rod (310) can extend out of the installation groove and be connected to the closing cover (20), wherein the first direction refers to the direction perpendicular to the air inlet surface of the air inlet.

3. The air conditioner according to claim 2, wherein, The driving member is a motor (320), the driving assembly further includes a transmission assembly (330), the power input end of the transmission assembly (330) is connected to the motor (320), the power output end of the transmission assembly (330) is connected to the connecting rod (310), and both the motor (320) and the transmission assembly (330) are installed on the middle frame (110).

4. The air conditioner according to claim 3, characterized in that, The driving assembly (30) further includes a driving box (340), the driving box (340) is installed on the middle frame (110); the motor (320) is installed on the outer side surface of the driving box (340), and the motor shaft of the motor (320) extends into the driving box (340); the transmission assembly (330) is installed in the driving box (340), and the connecting rod (310) is slidably connected in the driving box (340) and one end of the connecting rod (310) can extend out of the driving box (340).

5. The air conditioner according to claim 4, characterized in that, The driving box (340) includes a box body (360) and a box cover (350) connected to each other, the box cover (350) has a shaft hole (351), the motor (320) is installed on the outer side surface of the box cover (350) and the motor shaft of the motor (320) extends into the shaft hole (351); the transmission assembly (330) is installed in the box body (360) or the box cover (350); the connecting rod (310) is slidably connected to the box body (360) or the box cover (350) and can extend out of the box body (360) or the box cover (350).

6. The air conditioner according to claim 5, characterized in that, One of the box body (360) and the connecting rod (310) is provided with a guide rail (363), the other is provided with a sliding groove (311), and the sliding groove (311) is slidably connected to the guide rail (363) in the first direction; the box cover (350) is provided with a first protrusion (354), and the side of the connecting rod (310) close to the box cover (350) abuts against the first protrusion (354).

7. The air conditioner according to claim 5, characterized in that, The box body (360) is provided with a guide rail (363), the connecting rod (310) is provided with a sliding groove (311), and the sliding groove (311) is slidably connected to the guide rail (363) along the first direction; the box body (360) is provided with a second protruding portion (365), the second protruding portion (365) is located on both sides of the guide rail (363), and one side of the connecting rod (310) close to the box body (360) abuts against the second protruding portion (365).

8. The air conditioner according to claim 5, wherein, The transmission assembly (330) includes a driving wheel (331), a driven wheel (332) and an annular member. The driving wheel (331) is fixed on the motor shaft of the motor (320), the driven wheel (332) is pivotally connected to the box body (360) or the box cover (350), the driven wheel and the driving wheel (331) are arranged at intervals, the annular member sequentially surrounds the driving wheel (331) and the driven wheel (332), and the driving wheel (331) and the driven wheel (332) cooperate to tension the annular member; the connecting rod (310) is connected to the annular member.

9. The air conditioner according to claim 8, wherein A first shaft (361) is arranged in the box body (360), and the driving wheel (331) is pivotally connected to the box body (360) through the first shaft (361); And / or, a second shaft (362) is arranged in the box body (360) or the box cover (350), and the driven wheel (332) is pivotally connected to the box body (360) or the box cover (350) through the second shaft (362).

10. The air conditioner according to any one of claims 5-9, characterized in that, When the driving box (340) is installed on the middle frame (110), the box cover (350) fits against the side surface of the middle frame (110); 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).

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