Air conditioner

Abstract

The utility model provides an air conditioner which comprises a shell, a sealing cover and a driving assembly, the shell is provided with an air inlet, and the sealing cover is arranged at the air inlet; the driving assembly comprises a driving box, a motor, a transmission assembly and a connecting rod, the driving box is installed in the shell, the motor is installed on the outer side face of the driving box, and a motor shaft of the motor extends into the driving box; the transmission assembly comprises a driving wheel fixedly arranged on a motor shaft of the motor, a driven wheel pivoted in the driving box and an annular piece, the annular piece sequentially surrounds the driving wheel and the driven wheel, the driving wheel and the driven wheel are arranged at intervals and matched to tension the annular piece, and the annular piece and the sealing cover are connected to the connecting rod. The motor is used for driving the sealing cover to move in the first direction to open or block the air inlet. According to the air conditioner, the transmission assembly composed of the driving wheel, the driven wheel and the annular piece is adopted, the transmission assembly does not need lubricating oil, and dust in air cannot be adsorbed in the lifting motion process of the connecting rod, so that the transmission assembly cannot be polluted, 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 more particularly to an air conditioner. Background Art

[0002] The air inlet of the air conditioner indoor unit is always open. Although a filter screen is provided at the air inlet, when the air conditioner is not running, 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 shield 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 closed cover for opening or blocking the air inlet and a driving component for controlling the position of the closed 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 closed 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 adsorbs dust in the air, polluting the gear and rack transmission component, thereby 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 method 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 adsorbs dust in the air, polluting the gear and rack transmission component, thereby 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 closed cover disposed at the air inlet;

[0008] A driving component including a driving box, a motor, a transmission component and a connecting rod. The driving box is installed inside the housing, the motor is installed outside the driving box and its motor shaft extends into the driving box; the transmission component includes a driving wheel, a driven wheel and an annular member. The driving wheel is fixedly disposed on the motor shaft of the motor, the driven wheel is pivotally connected inside the driving box, the driven wheel and the driving wheel are spaced apart, the annular member sequentially surrounds the driving wheel and the driven wheel, the driving wheel and the driven wheel cooperate to tension the annular member, and the annular member and the closed cover are respectively connected to the connecting rod for driving the closed cover to move in a first direction to open or block 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 assembly composed of a driving wheel, a driven wheel and an annular member to realize the lifting of a connecting rod driving a closed 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 as not to pollute the transmission assembly, thereby improving the service life of the transmission assembly.

[0011] Further, the driving box includes a box body and a box cover which are connected to each other. The box cover has a shaft hole. The motor is installed on the outer side surface of the box cover and the motor shaft of the motor extends into the shaft hole; the driven wheel is pivotally connected to the box body or the box cover.

[0012] Further, one of the box body or the connecting rod is provided with a guide rail, and the other is provided with a sliding groove. The sliding groove is slidably connected to the guide rail along the first direction;

[0013] And / or, the box body is provided with a first shaft, and the driving wheel is pivotally connected to the box body through the first shaft;

[0014] And / or, a second shaft is provided inside 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;

[0015] And / or, the box cover is provided with a first convex portion, and one side of the connecting rod close to the box cover abuts against the first convex portion;

[0016] And / or, the box body is provided with a second convex portion, the second convex portion is located on both sides of the guide rail, and one side of the connecting rod close to the box body abuts against the second convex portion.

[0017] Further, a first connecting portion is provided on the side surface of the box cover, a second connecting portion is provided on the side surface of the box body, the positions and numbers of the first connecting portion and the second connecting portion correspond one by one, and the first connecting portion and the second connecting portion are connected to the housing through fasteners.

[0018] Further, a first clamping structure is provided on the side surface of the box cover, a second clamping structure is provided on the side surface of the box body, and the first clamping structure and the second clamping structure are snap-connected. With such a setting, a clamping structure is provided on the box cover and the box body to improve the assembly efficiency of the box cover and the box body.

[0019] Further, the motor has at least 2 lugs, and the lugs are all fixedly connected to the box cover or the box body through fasteners; or, the motor has 2 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 fasteners. With such a setting, reliable installation of the motor is realized.

[0020] Furthermore, the lid is provided with connection holes adapted to the fasteners, and connection posts fixed to the fasteners are provided inside the box body or inside the lid; or, the lid is provided with connection holes adapted to the fasteners, and connection posts fixed to the fasteners are provided inside the box body or inside the lid; the lid is provided with a boss, and the boss is provided with a slot, and the lug is clamped in the slot.

[0021] Furthermore, the connecting rod is fixedly provided with a clamping assembly, and the clamping assembly clamps the straight section of the annular member.

[0022] Furthermore, the clamping assembly includes a first clamping plate and a second clamping plate connected to each other. There is a second accommodation groove between the first clamping plate and the second clamping plate, and the second accommodation groove cooperates with the straight section of the annular member.

[0023] Furthermore, the annular member is a toothed belt; the inner wall surface of the accommodation groove is provided with a toothed structure, and the toothed structure meshes with the toothed belt; and / or, the first clamping plate and the second clamping plate are connected by fasteners.

[0024] Furthermore, a limiting block is provided inside the box body. If the closing cover moves along the first direction and away from the air inlet, the limiting block can abut against the end face of the clamping assembly. With such a setting, the movement of the closing cover along the first direction and away from the air inlet is limited.

[0025] An air conditioner provided by the present invention has at least the following beneficial technical effects:

[0026] (1) An air conditioner provided by the present invention 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 thus the service life of the transmission assembly is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is an exploded structural schematic diagram of an air conditioner provided by an embodiment of the present invention;

[0028] Figure 2 is a partial structural schematic diagram of a driving assembly in an air conditioner provided by an embodiment of the present invention Figure 1 ;

[0029] Figure 3 is a partial structural schematic diagram of a driving assembly in an air conditioner provided by an embodiment of the present invention Figure 2;

[0030] Figure 4 Partial structural schematic diagram of a driving component in an air conditioner provided by an embodiment of the present utility model Figure 3 ;

[0031] Figure 5 is Figure 4 Local enlarged structural schematic diagram at the circled part A in;

[0032] Figure 6 Partial structural schematic diagram of a driving component in an air conditioner provided by an embodiment of the present utility model Figure 4 ;

[0033] Figure 7 is Figure 6 Local enlarged structural schematic diagram at the circled part B in;

[0034] Figure 8 Partial structural schematic diagram of a driving component in an air conditioner provided by an embodiment of the present utility model Figure 5 ;

[0035] Figure 9 State structural schematic diagram of the closed cover of an air conditioner provided by an embodiment of the present utility model when the air inlet is opened;

[0036] Figure 10 Partial structural schematic diagram of an air conditioner provided by an embodiment of the present utility model;

[0037] Figure 11 is Figure 10 Local enlarged structural schematic diagram at the circled part D in;

[0038] Figure 12 State structural schematic diagram of the closed cover of an air conditioner provided by an embodiment of the present utility model when the air inlet is closed;

[0039] Figure 13 Partial structural schematic diagram of an end cover in an air conditioner provided by an embodiment of the present utility model;

[0040] Figure 14 is Figure 13 Local enlarged structural schematic diagram at the circled part E in;

[0041] Figure 15 Partial structural schematic diagram of a closed cover in an air conditioner provided by an embodiment of the present utility model;

[0042] Figure 16 is Figure 15 Local enlarged structural schematic diagram at the circled part F in.

[0043] Explanation of reference numerals:

[0044] 110. Middle frame; 111. Air inlet; 112. Avoidance hole; 120. End cover; 121. Opening; 130. Groove; 131. Strip-shaped hole; 132. First convex block; 133. Decoration groove;

[0045] 20. Sealing cover; 210. Cover plate; 220. Side plate; 221. Second snap structure; 222. Rib; 230. Side plate body; 231. First folded edge; 232. Second folded edge;

[0046] 30. Driving assembly; 310. Telescopic rod; 311. Sliding groove; 312. Clamping assembly; 3121. First clamping plate; 3122. Second clamping plate; 3123. Second receiving groove; 3124. Tooth-shaped structure; 313. First snap structure; 316. Protrusion structure; 320. Motor; 321. Lug; 330. Transmission assembly; 331. Driving wheel; 332. Driven wheel; 333. Tooth-shaped belt; 340. Driving box; 350. Box cover; 351. Shaft hole; 352. Connection hole; 353. Card slot; 354. First protrusion; 355. First connection part; 356. First clamping structure; 360. Box body; 361. First shaft; 362. Second shaft; 363. Guide rail; 3631. First receiving groove; 364. Limit block; 365. Second protrusion; 366. Second connection part; 367. Second clamping structure; 368. Connection column. Detailed implementation manners

[0047] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will Figure 1 —16 make a detailed description of the specific embodiments of the present utility model in conjunction with the attached

[0048] 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.

[0049] 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. It is 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 cannot be understood as a limitation of the present utility model.

[0050] An embodiment of the present utility model provides an air conditioner. Refer to the attached Figure 1, the air conditioner includes a housing, a closing cover 20, and a driving assembly 30. The housing has an air inlet 111; the closing cover 20 is disposed at the air inlet 111; the driving assembly 30 includes a driving box 340, a motor 320, a transmission assembly 330, and a connecting rod 310. The driving box 340 is installed inside the housing, and the motor 320 is installed outside the driving box 340 with its motor shaft extending into the driving box 340; the transmission assembly 330 includes a driving wheel 331, a driven wheel 332, and an annular member. The driving wheel 331 is fixedly provided on the motor shaft of the motor 320, the driven wheel 332 is pivotally connected inside the driving box 340, the driven wheel and the driving wheel 331 are spaced apart, the annular member sequentially surrounds the driving wheel 331 and the driven wheel 332, the driving wheel 331 and the driven wheel 332 cooperate to tension the annular member, and the annular member and the closing cover 20 are respectively connected to the connecting rod 310 for driving the closing cover 20 to move in a first direction to open or block the air inlet 111; wherein, the first direction refers to the direction perpendicular to the end face of the air inlet 111.

[0051] It should be noted that in the prior art, generally, a gear is 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, and further 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 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 as not to pollute the transmission assembly 330, and further improve the service life of the transmission assembly 330.

[0052] In addition, for an air conditioner provided by an embodiment of the present invention, by integrating the driving components such as the motor 320, the driving wheel 331, the driven wheel 332, the annular member, and the connecting rod 310 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, reducing 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 the driving components and the middle frame 110 is improved; in addition, modular production and assembly of the driving assembly 30 are realized, improving the maintainability of the driving assembly 30 and the assembly efficiency.

[0053] See the appendix Figure 2 and Figure 3, in the embodiment of the present utility model, the drive 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 of the box cover 350 and the motor shaft of the motor 320 extends into the shaft hole 351; the driven wheel 332 is pivotally connected to the box body 360 or 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.

[0054] See attached Figure 2 , in the embodiment of the present utility model, one of the box body 360 or 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. With such a setting, it provides guidance for the movement of the connecting rod 310.

[0055] See attached Figure 2 , in the embodiment of the present utility model, the box body 360 is provided with a first shaft 361. 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. 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 in 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.

[0056] See attached Figure 2 , in the embodiment of the present utility model, a second shaft 362 is arranged in the box body 360 or the box cover 350. 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. 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 in 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.

[0057] See attached Figure 5 , in the embodiment of the present utility model, the box cover 350 is provided with a first convex portion 354. One side of the connecting rod 310 close to the box cover 350 abuts against the first convex portion 354.

[0058] See attached Figure 5, in the embodiment of the present utility model, 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. One side of the connecting rod 310 close to the box body 360 abuts against the second protruding portion 365. With such a setting, the connecting rod 310 is limited between the first protruding portion 354 and the second protruding portion 365, preventing the inclination of the connecting rod 310. With such a setting, the contact area between the second protruding portion 365 and the connecting rod 310 is small. One side of the connecting rod 310 close to the box body 360 abuts against the second protruding portion 365, avoiding the surface contact friction between the side of the connecting rod 310 close to the box body 360 and the box body 360, thereby reducing the sliding resistance between the connecting rod 310 and the box body 360.

[0059] See the appendix Figure 5 , in the embodiment of the present utility model, the first protruding portion 354 is a first strip-shaped protruding portion, and the first strip-shaped protruding portion extends along the first direction; or the first protruding portion 354 includes a plurality of first convex points, and the plurality of first convex points are arranged at intervals along the first direction.

[0060] See the appendix Figure 5 , in the embodiment of the present utility model, the second protruding portion 365 is a second strip-shaped protruding portion, and the second strip-shaped protruding portion extends along the first direction; or, the second protruding portion 365 includes a plurality of second convex points, and the plurality of second convex points are arranged at intervals along the second direction.

[0061] See the appendix Figure 3 , in the embodiment of the present utility model, the side surface of the box cover 350 is provided with a first connecting portion 355, and the side surface of the box body 360 is provided with a second connecting portion 366. The positions and numbers of the first connecting portion 355 and the second connecting portion 366 correspond one by one. The first connecting portion 355 and the second connecting portion 366 are connected to the housing through fasteners. 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.

[0062] See the appendix Figure 3 , in the embodiment of the present utility model, the side surface of the box cover 350 is provided with a first clamping structure 356, and the side surface of the box body 360 is provided with a second clamping structure 367. The first clamping structure 356 and the second clamping structure 367 are snap-connected. With such a setting, clamping 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.

[0063] 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 is specifically as follows:

[0064] In one embodiment of the present utility model, 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.

[0065] Further, the lid 350 is provided with connection holes 352 adapted to the fasteners, and connection posts 368 fixed to the fasteners are provided inside the box body 360 or inside the lid 350.

[0066] See the appendix Figure 2 and Figure 3 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 lid 350, and the other lug 321 is fixedly connected to the lid 350 or the box body 360 through a fastener. With such a setting, on the basis of snap - connection, fixed connection through the fastener improves the reliability of the installation of the motor 320; only one fastener is required to achieve the installation and fixation of the motor 320, reducing the number of fasteners and being conducive to further improving the assembly efficiency.

[0067] See the appendix Figure 2 and Figure 3 In an embodiment of the present utility model, the lid 350 is provided with connection holes 352 adapted to the fasteners, and connection posts 368 fixed to the fasteners are provided inside the box body 360 or inside the lid 350; the lid 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 posts 368 and the card slots 353 are simple to manufacture and have low costs.

[0068] See the appendix Figure 6 In an embodiment of the present utility model, the connecting rod 310 is fixedly provided with a clamping assembly 312, and the clamping assembly 312 clamps the straight section of the annular member.

[0069] See the appendix Figure 7 In an 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 accommodation groove 3123 between the first clamping plate 3121 and the second clamping plate 3122, and the second accommodation groove 3123 cooperates with the straight section of the annular member.

[0070] See the appendix Figure 2 and Figure 7 In an embodiment of the present utility model, the annular member is a toothed belt 333; the inner wall surface of the accommodation groove is provided with a toothed structure 3124, and the toothed structure 3124 meshes with the toothed belt 333.

[0071] In an embodiment of the present utility model, the first clamping plate 3121 and the second clamping plate 3122 are connected by fasteners.

[0072] See the appendix Figure 7, 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 this setting, the movement of the closing cover 20 along the first direction and away from the air inlet 111 is limited.

[0073] See the appendix Figure 1 and Figure 2 , in the embodiment of the present utility model, a middle frame 110 is provided inside the housing. An end cover 120 is provided on the side surface of the middle frame 110. The driving box 340 is arranged between the middle frame 110 and the end cover 120; the end cover 120 is provided with an opening 121, and the axial direction of the opening 121 is the same as the first direction; one end of the connecting rod 310 can extend out of the end cover 120 through the opening 121. With this setting, by arranging the driving 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 driving box 340 does not occupy extra space, and thus the size of the air conditioner will not be increased; in addition, the end cover 120 plays a role in protecting the driving box 340 and preventing damage to the driving box 340 under the action of external force.

[0074] See the appendix Figure 1 , in the embodiment of the present utility model, 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 this setting, by providing the avoidance hole 112 on the middle frame 110 and enabling the motor 320 to extend into the avoidance hole 112, the internal space of the middle frame 110 is fully utilized, the size between the middle frame 110 and the end cover 120 is reduced, and thus the size of the air conditioner is reduced; in addition, the motor 320 is protected from being damaged under the action of external force.

[0075] See the appendix Figure 9 , in the embodiment of the present utility model, the closing cover 20 includes a cover plate 210 and a side plate 220. The cover plate 210 is adapted to the air inlet 111, the side plate 220 is vertically connected to the cover plate 210, and the side plate 220 is located outside the end cover 120; the connecting rod 310 is connected to the inner surface of the side plate 220. With this 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 aesthetic appearance of the air conditioner.

[0076] See the appendix Figure 11 , in the embodiment of the present utility model, the end cover 120 is provided with a strip-shaped hole 131, the strip-shaped hole 131 communicates with the opening 121 and extends along the first direction; a convex strip 222 is provided on the inner surface of the side plate 220, and the convex strip 222 extends along the first direction; the convex strip 222 extends into the end cover 120 through the strip-shaped hole 131. With this setting, 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.

[0077] In an embodiment of the present utility model, the rib 222 is slidably connected to the strip-shaped hole 131. With this arrangement, it provides guidance for the movement of the side plate 222 in the first direction.

[0078] See the appendix Figure 11 In an embodiment of the present utility model, 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 extends in the first direction; the rib 222 extends into the first receiving groove 3631. With this arrangement, the rib 222 extends into the first receiving groove 3631, and there is an overlap between the rib 222 and the guide rail 363, avoiding the generation of gaps and improving the aesthetics of the air conditioner.

[0079] See the appendix Figure 11 、 Figure 12 and Figure 13 In an embodiment of the present utility model, the outer surface of the end cover 120 is provided with a groove 130. If the cover plate 210 seals the air inlet 111, the outer contour of the side plate 220 cooperates with the groove 130. With this arrangement, by providing the groove 130 on the outside of the end cover 120, when the cover plate 210 seals the air inlet 111, the side plate 220 is received in the groove 130. On the one hand, it does not occupy the external lateral space of the indoor unit of the air conditioner, so as not to increase the lateral 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.

[0080] See the appendix Figure 14 In an embodiment of the present utility model, the strip-shaped hole 131 is provided in the groove 130.

[0081] See the appendix Figure 13 and Figure 14 In an embodiment of the present utility model, the opening size of the groove 130 along the first direction and on the side close to the cover plate 210 is large, and the opening size on the side far from the cover plate 210 is small; the size of the side plate 220 along the first direction and on the side close to the cover plate 210 is large, and the size on the side far from the cover plate 210 is small. With this arrangement, the connection between the side plate 220 and the cover plate 210 is wide in size, and the end of the side plate 220 far from the cover plate 210 is narrow in size, thereby improving the connection stability and support stability between the side plate 220 and the cover plate 210.

[0082] See the appendix Figure 13 and Figure 14 In an embodiment of the present utility model, in one implementation, 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 this arrangement, 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.

[0083] See the appendixFigure 13 and Figure 14 In another embodiment of the present utility model, 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 in the direction away from the cover plate 210, and the size of the side plate 220 gradually decreases in the direction away from the cover plate 210, making the appearance of the air conditioner more rounded and enhancing the aesthetics of the air conditioner.

[0084] See the appendix Figure 16 In an 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 respectively abut against 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 providing 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.

[0085] See the appendix Figure 14 In an 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 abut against the inner surface of the first folded edge 231 along the first direction. With such a setting, the first convex block 132 realizes the limitation of the side plate 220 and avoids the inclination of the side plate 220.

[0086] See the appendix Figure 14 In an embodiment of the present utility model, the groove 130 is provided with decorative grooves 133, and 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 mutually symmetric decorative grooves 133 gradually increases. With such a setting, by providing the decorative grooves 133, the visual effect of the strip-shaped hole 131 is weakened, and the aesthetics of the air conditioner is enhanced.

[0087] See the appendix Figure 14 In an embodiment of the present utility model, the cross-sectional shape of the mutually symmetric decorative grooves 133 is Y-shaped or V-shaped.

[0088] See the appendix Figure 3 and Figure 16, in an embodiment of the present utility model, a first snap structure 313 is provided at the end of the connecting rod 310, and a second snap structure 221 is provided on the inner side surface of the side plate 220. The second snap structure 221 and the first snap structure 313 are snap-connected to each other. With this arrangement, the side plate 220 and the connecting rod 310 are snap-connected, and the installation method is simple and detachable.

[0089] In an embodiment of the present utility model, one of the first snap structure 313 and the second snap structure 221 is a snap groove, and the snap groove includes a groove opening and a groove cavity. Compared with the groove cavity, the groove opening is located at the end far 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, and 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 both the first direction and the second direction. With this arrangement, the size of the snap groove is large at the end close to the cover plate and small at the end far from the cover plate, and the size of the snap block is large at the end close to the cover plate and small at the end far from the cover plate. With this arrangement, after the snap head of the snap block and the snap groove cooperate, the freedom degree of the snap block and the snap groove along the first direction and the freedom degree along the width direction of the groove cavity of the snap groove are restricted; the freedom degree of the snap block and the snap groove along the third direction is not restricted, so as to avoid the situation that the closing cover 20 has manufacturing errors, resulting in the inability to assemble the closing cover 20 and the connecting rod 310.

[0090] In an 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.

[0091] In an embodiment of the present utility model, the snap groove is a T-shaped groove or a dovetail groove.

[0092] In an 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.

[0093] 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); A driving assembly (30), including a driving box (340), a motor (320), a transmission assembly (330) and a connecting rod (310). The driving box (340) is installed inside the housing, the motor (320) is installed on the outer side of the driving box (340) and its motor shaft extends into the driving box (340). The transmission assembly (330) includes a driving wheel (331), a driven wheel (332) and an annular member. The driving wheel (331) is fixedly provided on the motor shaft of the motor (320), the driven wheel (332) is pivotally connected inside the driving box (340), the driven wheel (332) and the driving wheel (331) are spaced apart, the annular member sequentially surrounds the driving wheel (331) and the driven wheel (332), the driving wheel (331) and the driven wheel (332) cooperate to tension the annular member, and the annular member and the closing cover (20) are respectively connected to the connecting rod (310) for driving the closing cover (20) to move in a first direction to open or block 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, 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 of the box cover (350) and the motor shaft of the motor (320) extends into the shaft hole (351). The driven wheel (332) is pivotally connected to the box body (360) or the box cover (350).

3. The air conditioner according to claim 2, characterized in that, One of the box body (360) or 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) in the first direction; And / or, the box body (360) is provided with a first shaft (361), 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 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); And / or, 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); 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 the second convex portion (365).

4. The air conditioner according to claim 2, characterized in that, The side of the box cover (350) is provided with a first connecting part (355), the side of the box body (360) is provided with a second connecting part (366), the positions and quantities of the first connecting part (355) and the second connecting part (366) correspond one by one, and the first connecting part (355) and the second connecting part (366) are connected to the housing through fasteners; And / or, the side of the box cover (350) is provided with a first clamping structure (356), the side of the box body (360) is provided with a second clamping structure (367), and the first clamping structure (356) and the second clamping structure (367) are snap-connected.

5. The air conditioner according to claim 2, characterized in that, 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; Or, the motor (320) has 2 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) through a fastener.

6. The air conditioner according to claim 5, wherein, The box cover (350) is provided with a connection hole (352) adapted to the fastener, and a connection column (368) fixed to the fastener is provided in the box body (360) or the box cover (350); Or, the box cover (350) is provided with a connection hole (352) adapted to the fastener, and a connection column (368) fixed to the fastener is provided in the box body (360) or 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).

7. The air conditioner according to claim 2, characterized in that, The connecting rod (310) is fixedly provided with a clamping assembly (312), and the clamping assembly (312) clamps the straight section of the annular member.

8. The air conditioner according to claim 7, characterized in that, The clamping assembly (312) includes a first clamping plate (3121) and a second clamping plate (3122) connected to each other. A second receiving groove (3123) is formed 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.

9. The air conditioner according to claim 8, characterized in that, The annular member is a toothed belt (333); the inner wall surface of the receiving groove is provided with a toothed structure (3124), and the toothed structure (3124) meshes with the toothed belt (333); And / or, the first clamping plate (3121) and the second clamping plate (3122) are connected by fasteners.

10. The air conditioner according to claim 7, characterized in that, A limiting block (364) is provided in 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).

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