Air conditioner

Abstract

The utility model provides an air conditioner which comprises a shell, a sealing cover and a connecting rod, the shell is provided with an air inlet, and an end cover is arranged on the side face of the shell. The sealing cover comprises a cover plate and a side plate, the cover plate is matched with the air inlet, the side plate is vertically connected to the cover plate, and the side plate is located on the outer side of the end cover; the connecting rod is arranged in the shell and close to the inner side face of the end cover and moves in the first direction relative to the shell, and one end of the connecting rod can stretch out of the shell and is connected to the inner surface of the side plate so as to drive the cover plate to move in the first direction to open or block the air inlet. When the connecting rod moves in the first direction, the end cover and the side plate always have an overlapping area. According to the air conditioner, one end of the connecting rod is arranged on the inner side of the shell, and the other end of the connecting rod can extend out of the shell and is connected to the inner side of the side plate, so that the connecting rod is prevented from being bent, deformed and even damaged under the action of external force; in the movement process of the connecting rod, the end cover and the side plate always have overlapped areas, so that the connecting rod is always shielded, and the attractiveness of the air conditioner is improved.

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 indoor unit of the air conditioner is always open. Although a filter screen is provided at the air inlet, when the air conditioner is not running, the dust in the room will also fall on the filter screen. Therefore, when the indoor unit of the air conditioner is not running, it is necessary to cover the air inlet to prevent dust from falling on the filter screen.

[0003] In the prior art, some indoor units of air conditioners are provided with a closing cover for opening or blocking the air inlet, and a connecting rod for driving the closing cover. The connecting rod is exposed and protrudes outside the housing, and is easily bent or even damaged under the action of external force, resulting in poor aesthetics of the air conditioner. Summary of the Utility Model

[0004] The utility model provides an air conditioner to solve the technical problem that in the prior art, the connecting rod is exposed and protrudes outside the housing, and is easily bent or even damaged under the action of external force, resulting in poor aesthetics of the air conditioner.

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

[0006] A housing having an air inlet, and an end cover is provided on the side surface of the housing;

[0007] A closing cover, which includes a cover plate and a side plate. The cover plate is adapted to the air inlet, the side plate is vertically connected to the cover plate, and the side plate is located outside the end cover; and,

[0008] A connecting rod is disposed inside the housing and near the inner surface of the end cover. The connecting rod moves relative to the housing in a first direction, and one end of the connecting rod can extend out of the housing and be connected to the inner surface of the side plate, for driving the cover plate to move in the first direction to open or block the air inlet; during the movement of the connecting rod in the first direction, there is always an overlapping area between the end cover and the side plate; wherein, the first direction refers to the direction perpendicular to the air inlet surface of the air inlet.

[0009] The utility model provides an air conditioner, which has a connecting rod disposed on the inner side surface of a shell, with one end being able to extend out of the shell and be connected to the inner surface of a side panel. On the one hand, the internal space of the shell is utilized so that the connecting rod does not occupy the space of the air conditioner in the lateral direction, thereby not increasing the size of the air conditioner; on the other hand, the end cover and the side panel cooperate to shield the outer surface of the connecting rod, which is equivalent to protecting the connecting rod and preventing external force from directly acting on the connecting rod, thereby preventing the connecting rod from bending, deforming or even being damaged under the action of external force; in addition, the connecting rod is prevented from bulging outward in the lateral direction relative to the shell. During the movement of the connecting rod, the end cover and the side panel always have an overlapping area, so that the connecting rod is always shielded, making the appearance of the air conditioner smooth and beautiful, thereby improving the aesthetics of the air conditioner.

[0010] Furthermore, a middle frame is provided in the shell, and the air inlet is provided in the middle frame; the end cover is provided on the side of the middle frame; the end cover is provided with an opening, and the axial direction of the opening is the same as the first direction; the connecting rod is provided between the middle frame and the end cover, and one end of the connecting rod can extend out of the shell through the opening.

[0011] Further, the inner surface of the middle frame or the end cover is provided with a guide rail, the connecting rod is provided with a slide groove, and the slide groove is slidably connected to the guide rail along the first direction; or, the inner surface of the middle frame or the end cover is provided with the slide groove, the connecting rod is provided with the guide rail, and the slide groove is slidably connected to the guide rail along the first direction. Such an arrangement provides guidance for the movement of the connecting rod.

[0012] Furthermore, the air conditioner also includes a driving assembly, which includes a motor and a transmission assembly, and the motor and the transmission assembly are respectively installed on the side of the middle frame or the inner surface of the end cover, and the transmission assembly is respectively connected to the motor shaft of the motor and the connecting rod.

[0013] Furthermore, the drive assembly further comprises a drive box, a motor and a transmission assembly, wherein the drive box is mounted on the side of the middle frame or the inner surface of the end cover; the motor is mounted on the outer side of the drive box, and the motor shaft of the motor extends into the drive box; the transmission assembly is mounted in the drive box, and is respectively connected to the motor shaft of the motor and the connecting rod; the connecting rod is slidably connected to the drive box and one end of the connecting rod can extend out of the drive box; one of the inner side of the drive box 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. In this way, the motor, the transmission assembly and the connecting rod are integrated into 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, the disassembly and assembly efficiency of each drive component and the middle frame is improved; 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.

[0014] Further, the drive 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 passes through the shaft hole and is in transmission connection with the transmission assembly; the transmission assembly is installed in the box body; the connecting rod is slidably connected to the box body, and one end of the connecting rod can extend out of the box body.

[0015] Further, 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. With such a setting, under the combined action of the sliding fit between the connecting rod and the box body and the abutting fit between the connecting rod and the first convex portion, the sliding fit clearance is reduced, the shaking of the connecting rod is avoided, and the sliding stability of the connecting rod is improved.

[0016] Further, the box body is provided with a second convex portion, and the second convex portion is located on both sides of the guide rail. One side of the connecting rod close to the box body abuts against the second convex portion. With such a setting, the contact area between the second convex portion and the connecting rod is small, and one side of the connecting rod close to the box body abuts against the second convex portion, avoiding the surface contact friction between one side of the connecting rod close to the box body and the box body, thereby reducing the sliding resistance between the connecting rod and the box body.

[0017] Further, a first shaft is provided in the box body, and a second shaft is provided in the box body or in the box cover; the transmission assembly includes a driving wheel, a driven wheel and an annular member. The driving wheel is fixed on the motor shaft of the motor and is pivotally connected to the box body through the first shaft; the driven wheel and the driving wheel are arranged at intervals, the annular member sequentially surrounds the driving wheel and the driven wheel, and 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 closing cover by the connecting rod. 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 drive 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.

[0018] Further, when the drive box is installed on the middle frame, the box cover is attached to 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 providing an avoidance hole on the middle frame, the motor extends 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, thereby reducing the size of the air conditioner; in addition, the motor is protected from being damaged under external forces.

[0019] Further, the end cover is provided with a strip-shaped hole which communicates with the opening hole and extends along the first direction; the sliding groove is arranged on the connecting rod; the guide rail is arranged in the driving box, the guide rail is provided with a first receiving groove, the opening of the first receiving groove faces the end cover and extends along the first direction; the inner surface of the side plate is provided with a convex strip which extends along the first direction, the convex strip passes through the strip-shaped hole and extends into the first receiving groove; during the movement of the connecting rod along the first direction, the convex strip extends into the sliding groove. With such an arrangement, during the movement of the connecting rod along the first direction, the convex strip extends into the sliding groove of the connecting rod, so that the convex strip and the sliding groove overlap, thereby avoiding the gap between the side plate and the connecting rod and improving the aesthetics of the air conditioner.

[0020] An air conditioner provided by the present utility model has at least the following beneficial technical effects:

[0021] (1) For the air conditioner provided by the present utility model, by arranging the connecting rod on the inner side surface of the housing, one end of which can extend out of the housing and be connected to the inner surface of the side plate. On the one hand, the internal space of the housing is utilized, so that the connecting rod does not occupy the space of the air conditioner in the lateral direction, and thus the size of the air conditioner will not be increased; on the other hand, the end cover and the side plate cooperate to shield the outer surface of the connecting rod, which is equivalent to protecting the connecting rod, avoiding the direct action of external force on the connecting rod, and thus preventing the connecting rod from being bent or even damaged under the action of external force; in addition, to avoid the lateral protrusion of the connecting rod relative to the housing, during the movement of the connecting rod, the end cover and the side plate always have an overlapping area, so that the connecting rod is always shielded, making the appearance of the air conditioner flat and beautiful, thereby improving the aesthetics of the air conditioner.

[0022] (2) For the air conditioner provided by the present utility model, by 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, reducing the structural complexity of the middle frame, and thus 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 component are realized, improving the maintainability of the driving component and the assembly efficiency.

[0023] (3) For the air conditioner provided by the present utility model, under the combined action of the sliding fit between the connecting rod and the box body and the abutting fit between the connecting rod and the first convex part, the sliding fit gap is reduced, the shaking of the connecting rod is avoided, and the sliding stability of the connecting rod is improved.

[0024] (4) For the air conditioner provided by the present utility model, the contact area between the second convex part and the connecting rod is small, and one side of the connecting rod close to the box body abuts against the second convex part, avoiding the surface contact friction between one side of the connecting rod close to the box body and the box body, and thus reducing the sliding resistance between the connecting rod and the box body.

[0025] (5) 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 a connecting rod driving a 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, thus not polluting the transmission assembly, and further improving the service life of the transmission assembly.

[0026] (6) An air conditioner provided by the present utility model sets an avoidance hole on the middle frame, enabling the motor to 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, it protects the motor from being damaged under external forces.

[0027] (7) An air conditioner provided by the present utility model, during the movement of the connecting rod in the first direction, the convex strip extends into the sliding groove of the connecting rod, making the convex strip and the sliding groove overlap, thereby avoiding the gap between the side plate and the connecting rod and improving the aesthetics of the air conditioner. Description of the Drawings

[0028] Figure 1 is a schematic diagram when the closing cover of an air conditioner provided by an embodiment of the present utility model is in an open state;

[0029] Figure 2 is a schematic diagram of the first exploded structure of an air conditioner provided by an embodiment of the present utility model;

[0030] Figure 3 is a schematic diagram when the closing cover of an air conditioner provided by an embodiment of the present utility model is in a closed state;

[0031] Figure 4 is a schematic diagram of the partial exploded structure of the driving component in an air conditioner provided by an embodiment of the present utility model Figure 1 ;

[0032] Figure 5 is a schematic diagram of the partial exploded structure of the driving component in an air conditioner provided by an embodiment of the present utility model Figure 2 ;

[0033] Figure 6 is a schematic diagram of the partial structure of the driving component in an air conditioner provided by an embodiment of the present utility model Figure 1 ;

[0034] Figure 7 is a schematic diagram of the partial structure of the driving component in an air conditioner provided by an embodiment of the present utility model Figure 2 ;

[0035] Figure 8 is Figure 7 a partial enlarged structure schematic diagram of the circled part A in

[0036] Figure 9 An isometric view of an air conditioner provided by an embodiment of the present utility model;

[0037] Figure 10 is Figure 9 A partial enlarged structural view of the circled part D in

[0038] Figure 11 A structural view of an end cover in an air conditioner provided by an embodiment of the present utility model;

[0039] Figure 12 is Figure 11 A partial enlarged structural view of the circled part E in

[0040] Figure 13 A structural view of a closed cover in an air conditioner provided by an embodiment of the present utility model;

[0041] Figure 14 is Figure 13 A partial enlarged structural view of the circled part F in

[0042] Figure 15 A partial structural view of a driving assembly in an air conditioner provided by an embodiment of the present utility model Figure 3 ;

[0043] Figure 16 is Figure 15 A partial enlarged structural view of the circled part B 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 component; 310. Telescopic rod; 311. Chute; 312. Clamping component; 3121. First clamping plate; 3122. Second clamping plate; 3123. Second receiving groove; 3124. Tooth-like structure; 313. First buckle structure; 316. Protrusion structure; 320. Motor; 321. Lug; 330. Transmission component; 331. Driving wheel; 332. Driven wheel; 333. Toothed 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

[0048] To make the above objects, features and advantages of the present utility model more obvious and understandable, the following Figure 1 —16 will give a detailed description of the specific embodiments of the present utility model with reference to the attached drawings.

[0049] 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.

[0050] In the present utility model, terms such as "inside", "outside", "above", "below" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the attached 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 direction, be constructed and operated in a specific direction, and therefore should not be construed as a limitation to the present utility model.

[0051] An embodiment of the present utility model provides an air conditioner. Referring to the attached drawings Figure 1 , the air conditioner includes a housing, a closing cover 20 and a connecting rod 310. The housing has an air inlet 111, and an end cover 120 is provided on the side surface of the housing; 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 disposed inside the housing and close to the inner surface of the end cover 120. The connecting rod 310 moves relative to the housing in a first direction, and one end of the connecting rod 310 can extend out of the housing and be connected to the inner surface of the side plate 220, for driving the cover plate 210 to move in the first direction to open or block the air inlet 111; during the movement of the connecting rod 310 in the first direction, there is always an overlapping area between the end cover 120 and the side plate 220; wherein, the first direction refers to the direction perpendicular to the air inlet surface of the air inlet 111.

[0052] An air conditioner provided by an embodiment of the present utility model has a connecting rod 310 disposed on the inner side surface of the housing. One end of the connecting rod can extend out of the housing and be connected to the inner surface of the side plate 220. On the one hand, by utilizing the internal space of the housing, the connecting rod 310 does not occupy the space of the air conditioner in the lateral direction, thus not increasing the size of the air conditioner. On the other hand, the end cover 120 and the side plate 220 cooperate to shield the outer surface of the connecting rod 310, which is equivalent to protecting the connecting rod 310 and preventing an external force from directly acting on the connecting rod 310, thereby avoiding bending deformation or even damage of the connecting rod 310 under the action of an external force. In addition, to prevent the connecting rod 310 from protruding outward in the lateral direction relative to the housing, during the movement of the connecting rod 310, the end cover 120 and the side plate 220 always have an overlapping area, so that the connecting rod 310 is always shielded, making the appearance of the air conditioner flat and beautiful, thereby enhancing the aesthetics of the air conditioner.

[0053] See the appendix Figure 2 In an embodiment of the present utility model, a middle frame 110 is provided inside the housing, and an air inlet 111 is provided on the middle frame 110; an end cover 120 is provided on the side of the middle frame 110; 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; the connecting rod 310 is disposed between the middle frame 110 and the end cover 120, and one end of the connecting rod can extend out of the housing through the opening 121.

[0054] See Figure 4 and Figure 5 In an embodiment of the present utility model, in one implementation manner, a guide rail 363 is provided on the inner surface of the middle frame 110 or the end cover 120, and a sliding groove 311 is provided on the connecting rod 310. 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 Figure 4 and Figure 5 In an embodiment of the present utility model, in another implementation manner, a sliding groove 311 is provided on the inner surface of the middle frame 110 or the end cover 120, and a guide rail 363 is provided on the connecting rod 310. 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.

[0056] See the appendix Figure 4 In an embodiment of the present utility model, the air conditioner further includes a driving assembly 30. The driving assembly 30 includes a motor 320 and a transmission assembly 330. The motor 320 and the transmission assembly are respectively installed on the side of the middle frame 110 or the inner surface of the end cover 120, and the transmission assembly 330 is respectively drivingly connected to the motor shaft of the motor 320 and the connecting rod 310.

[0057] See the appendix Figure 6, in the embodiment of the present utility model, the drive assembly 30 includes a drive box 340, a motor 320 and a transmission assembly 330. The drive box 340 is installed on the side surface of the middle frame 110 or the inner surface of the end cover 120; the motor 320 is installed on the outer side surface of the drive box 340, and the motor shaft of the motor 320 extends into the drive box 340; the transmission assembly 330 is installed in the drive box 340 and is respectively connected to the motor shaft of the motor 320 and the connecting rod 310 in a transmission manner; the connecting rod 310 is slidably connected to the drive box 340 and one end thereof can extend out of the drive box 340. A guide rail 363 or a chute 311 is provided on the drive box 340, and the connecting rod 310 is slidably connected to the drive box 340 and one end thereof can extend out of the drive 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 drive box 340. On the one hand, the middle frame 110 only needs to design the connection structure with the drive 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 drive assembly 30 are realized, the maintainability of the drive assembly 30 is improved, and the assembly efficiency is improved.

[0058] See Figure 4 and Figure 5 , a guide rail 363 is provided on one of the inner side surface of the drive box 340 and the connecting rod 310, and a chute 311 is provided on the other, and the chute 311 is slidably connected to the guide rail 363 along the first direction.

[0059] See attached Figure 4 , 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 outside 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; the guide rail 363 is provided on the box body 360, and one end of the connecting rod 310 can extend out of the box body 360. With such a setting, the box body 360 and the box cover 350 which are connected to each other are convenient for the disassembly and assembly of the motor 320 and the transmission assembly 330.

[0060] See attached Figure 8 , 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 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 and the first convex portion, the sliding fit gap is reduced, the shaking of the connecting rod is avoided, and the sliding stability of the connecting rod is improved.

[0061] See attached Figure 8, in the embodiment of the present utility model, the box body 360 is provided with a second protrusion 365. The second protrusion 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 protrusion 365. With such a setting, the contact area between the second protrusion 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 protrusion 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.

[0062] In the embodiment of the present utility model, the first protrusion 354 is a first strip-shaped protrusion, and the first strip-shaped protrusion extends along the first direction; or the first protrusion 354 includes a plurality of first convex points, and the plurality of first convex points are arranged at intervals along the first direction.

[0063] In the embodiment of the present utility model, the second protrusion 365 is a second strip-shaped protrusion, and the second strip-shaped protrusion extends along the first direction; or, the second protrusion 365 includes a plurality of second convex points, and the plurality of second convex points are arranged at intervals along the second direction.

[0064] See appendix Figure 4 , in the embodiment of the present utility model, a first shaft 361 is provided in the box body 360, and a second shaft 362 is provided in the box body 360 or the box cover 350; 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 and is pivotally connected to the box body 360 through the first shaft 361; the driven wheel 332 is pivotally connected to the box body 360 or the box cover 350 through the second shaft 362; the driven wheel 332 and the driving wheel 331 are arranged at intervals, and 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; the connecting rod 310 is connected to the annular member. It should be noted that in the prior art, a gear is usually engaged 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 engaged; during the rising process, the rigid rack will extend out of the air conditioner housing, bringing out the lubricating oil, and the lubricating oil adsorbs dust in the air, polluting the gear and the rigid rack, thereby affecting the service life of the transmission assembly; compared with the prior art that uses a gear and a rigid rack to realize lifting, an air conditioner provided by the embodiment of the present utility model 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, dust in the air will not be adsorbed. Therefore, dust is not easily brought into the driving box 340 by the connecting rod, and the transmission assembly 330 will not be polluted, thereby improving the service life of the transmission assembly 330.

[0065] See the appendix Figure 2 and Figure 3 In the embodiment of the present utility model, when the drive box is installed on the middle frame 110, the box cover 350 is attached to 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 extends into the avoidance hole 112, making full use of the internal space of the middle frame 110, reducing the size between the middle frame 110 and the end cover 120, and thus reducing the size of the air conditioner; in addition, the motor 320 is protected to avoid damage to the motor 320 under external forces.

[0066] See the appendix Figure 10 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; the sliding groove 311 is provided on the connecting rod 310; the guide rail 363 is provided in the drive box 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 extends along the first direction; the inner surface of the side plate 220 is provided with a rib 222, the rib 222 extends along the first direction, the rib 222 passes through the strip-shaped hole 131 and extends into the first receiving groove 3631; during the movement of the connecting rod 310 along the first direction, the rib 222 extends into the sliding groove 311. With such a setting, during the movement of the connecting rod 310 along the first direction, the rib 222 extends into the sliding groove 311 of the connecting rod, so that the rib 222 and the sliding groove 311 overlap, thereby avoiding the gap between the side plate 220 and the connecting rod 310 and improving the aesthetics of the air conditioner.

[0067] See the appendix Figure 10 In the 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 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 surface 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 lateral space of the indoor unit of the air conditioner, and thus does not 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 closing cover 20.

[0068] See the appendix Figure 10 In the embodiment of the present utility model, the strip-shaped hole 131 is provided in the groove 130.

[0069] See the appendix Figure 10 and Figure 11, in the embodiment of the present utility model, the opening size of the groove 130 on the side close to the cover plate 210 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 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.

[0070] See the appendix Figure 10 and Figure 11 , in the embodiment of the present utility model, in one implementation, the cross-sectional shape of the groove 130 is a Y shape, and the cross-sectional shape of the side plate 220 is a Y shape. With such a setting, the opening size of the groove 130 along the direction away from the cover plate 210 first gradually decreases and then remains unchanged, and the size of the side plate 220 along the direction away from the cover plate 210 first gradually decreases and then remains unchanged, making the appearance of the air conditioner more rounded and improving the aesthetics of the air conditioner.

[0071] See the appendix Figure 10 and Figure 11 , in the embodiment of the present utility model, in another implementation, the cross-sectional shape of the groove 130 is a V shape, and the cross-sectional shape of the side plate 220 is a V shape. With such a setting, the opening size of the groove 130 along the direction away from the cover plate 210 gradually decreases, and the size of the side plate 220 along the direction away from the cover plate 210 gradually decreases, making the appearance of the air conditioner more rounded and improving the aesthetics of the air conditioner.

[0072] See the appendix Figure 14 , 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 far 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 blocks 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 improve the strength and bending resistance of the side plate 220; and, by setting the second folded edge 232, there is an overlap between the convex strip 222 and the second folded edge 232, avoiding the generation of gaps and improving the aesthetics of the air conditioner.

[0073] See the appendix Figure 12, 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 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 limit of the side plate 220 and avoids the inclination of the side plate 220.

[0074] See the appendix Figure 12 , in the embodiment of the present utility model, the groove 130 is provided with a decorative groove 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 symmetrically arranged decorative grooves 133 gradually increases. With such a setting, by setting the decorative groove 133, the visual effect of the strip-shaped hole 131 is weakened, and the aesthetics of the air conditioner is improved.

[0075] See the appendix Figure 10 , in the embodiment of the present utility model, the cross-sectional shapes of the symmetrically arranged decorative grooves 133 are Y-shaped or V-shaped.

[0076] See the appendix Figure 5 and Figure 14 , 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 and the first snap structure 313 are snap-connected to each other. With such a setting, the side plate 220 and the connecting rod 310 are snap-connected, and the installation method is simple and detachable.

[0077] See the appendix Figure 5 and Figure 14 , 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, 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 the size 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 such a setting, the size of the snap groove near the cover plate is large, and the size of the end far from the cover plate is small. The size of the snap block near the cover plate is large, and the size of the end far from the cover plate is small. With such a setting, 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 limited; the freedom degree of the snap block and the snap groove along the third direction is not limited, so as to avoid the manufacturing error of the closing cover 20, resulting in the inability to assemble the closing cover 20 and the connecting rod 310.

[0078] In an embodiment of the present utility model, a second bump is provided on the inner surface of the side plate 220, and the clamping groove is provided on the second bump; the clamping block is provided at the end of the connecting rod 310.

[0079] In an embodiment of the present utility model, the clamping groove is a T-shaped groove or a dovetail groove.

[0080] In an embodiment of the present utility model, the end cover 120 is clamped to the middle frame 110, and / or, the end cover 120 is connected to the middle frame 110 by fasteners.

[0081] See attached Figure 15 , in an 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.

[0082] See attached Figure 16 , in an embodiment of the present utility model, the clamping assembly 312 includes a first clamping plate 3121 and a second clamping plate 3122 that are 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.

[0083] There is no limit to the connection manner of the first clamping plate 3121, the second clamping plate 3122 and the straight section of the annular member. Specifically as follows:

[0084] 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.

[0085] See attached Figure 15 and Figure 16 , in an 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.

[0086] In an embodiment of the present utility model and in other embodiments, 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, the connection between the toothed belt 333 and the connecting rod 310 is realized through the meshing of the toothed belt 333 and the toothed structure 3124; and the connection stability and reliability of the toothed belt 333 and the connecting rod 310 are improved by connecting the first clamping plate 3121 and the second clamping plate 3122 with fasteners.

[0087] See the appendix Figure 16 In an embodiment of the present utility model, a limiting block 364 is provided in the box body 360. If the closing cover 20 moves in 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 limiting of the movement of the closing cover 20 in the first direction and away from the air inlet 111 is realized.

[0088] 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 among the box body 360, the box cover 350 and the middle frame 110 are not limited, and specifically as follows:

[0089] See the appendix Figure 5 In an embodiment of the present utility model, in the first embodiment, a first connecting portion 355 is provided on the side surface of the box cover 350, a second connecting portion 366 is provided on the side surface of the box body 360, the positions and numbers of the first connecting portion 355 and the second connecting portion 366 correspond one by one, and the first connecting portion 355 and the second connecting portion 366 are fixedly connected to the middle frame 110 by fasteners. It should be noted that the fastener is a screw. With such a setting, the stable connection of the box body 360 and the box cover 350 to the middle frame 110 is realized.

[0090] See the appendix Figure 5 In an embodiment of the present utility model, in the second embodiment, a first clamping structure 356 is provided on the side surface of the box cover 350, a second clamping structure 367 is provided on the side surface of the box body 360, and 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, and the assembly efficiency of the box cover 350 and the box body 360 is improved.

[0091] In an embodiment of the present utility model, in the third embodiment, the 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 the first clamping structure 356 and the second clamping structure 367; and then the box cover 350 and the box body 360 are fixed to the middle frame 110 by fasteners.

[0092] In the fourth implementation manner of the embodiment of the present utility model, on the basis of the second implementation manner, a first connection portion 355 is provided on the side surface of the lid 350, and the first connection portion 355 is fixedly connected to the middle frame 110 through a fastener; alternatively, a second connection portion 366 is provided on the side surface of the box body 360, and the second connection portion 366 is fixedly connected to the middle frame 110 through a fastener. With such a setting, the first clamping structure 356 and the second clamping structure 367 are first used to realize the clamping 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.

[0093] In the embodiment of the present utility model, the connection manner of the motor 320 with the lid 350 and the box body 360 is not limited, and specifically as follows:

[0094] See the attached Figure 5 , in one implementation manner of the embodiment of the present utility model, the motor 320 has at least 2 lugs 321, and the lugs 321 are all fixedly connected to the lid 350 or the box body 360 through fasteners. With such a setting, the reliable installation of the motor 320 is realized.

[0095] Further, in the embodiment of the present utility model, the lid 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 lid 350.

[0096] See the attached Figure 5 , in another implementation manner of the embodiment of the present utility model, the motor 320 has 2 lugs 321, one of the lugs 321 is clamped 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 clamping, the fixed connection through the fastener improves the reliability of the installation of the motor 320; only one fastener is needed to realize the installation and fixation of the motor 320, reducing the number of fasteners, which is beneficial to further improving the assembly efficiency.

[0097] Further, see the attached Figure 4 , in the embodiment of the present utility model, the lid 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 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 columns 368 and the card slots 353 are simple to process and manufacture, and the cost is low.

[0098] 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, include: A shell having an air inlet (111), and an end cover (120) is provided on a side of the shell; A closing cover (20), comprising a cover plate (210) and a side plate (220), wherein 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 on the outside of the end cover (120); A connecting rod (310) is arranged in the shell and close to the inner side surface of the end cover (120), the connecting rod (310) moves relative to the shell in a first direction and one end of the connecting rod (310) can extend out of the shell and be connected to the inner surface of the side plate (220), and is used to drive the cover plate (210) to move in the first direction to open or block the air inlet (111); when the connecting rod (310) moves in the first direction, the end cover (120) and the side plate (220) always have an overlapping area; wherein the first direction refers to a direction perpendicular to the air inlet surface of the air inlet (111).

2. The air conditioner according to claim 1, characterized in that, A middle frame (110) is provided in the shell, and the air inlet (111) is provided on the middle frame (110); the end cover (120) is provided on a side surface of the middle frame (110); 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; the connecting rod (310) is provided between the middle frame (110) and the end cover (120), and one end of the connecting rod (310) can extend out of the shell through the opening (121).

3. The air conditioner according to claim 2, characterized in that, A guide rail (363) is provided on the inner surface of the middle frame (110) or the end cover (120), and a slide groove (311) is provided on the connecting rod (310), and the slide groove (311) is slidably connected to the guide rail (363) along the first direction; Alternatively, the inner surface of the middle frame (110) or the end cover (120) is provided with the slide groove (311), the connecting rod (310) is provided with the guide rail (363), and the slide groove (311) is slidably connected to the guide rail (363) along the first direction.

4. The air conditioner according to claim 3, characterized in that, The air conditioner further comprises a driving assembly (30), wherein the driving assembly (30) comprises a motor (320) and a transmission assembly (330), wherein the motor (320) and the transmission assembly are respectively mounted on a side surface of the middle frame (110) or an inner surface of the end cover (120), and the transmission assembly (330) is respectively transmission-connected to a motor shaft of the motor (320) and the connecting rod (310).

5. The air conditioner according to claim 4, characterized in that, The driving assembly (30) includes a driving box (340), a motor (320), and a transmission assembly (330). The driving box (340) is installed on the side surface of the middle frame (110) or the inner surface of the end cover (120); 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 is respectively connected to the motor shaft of the motor (320) and the connecting rod (310) in a transmission manner; the connecting rod (310) is slidably connected in the driving box (340) and one end of it can extend out of the driving box (340). One of the inner side surface of the driving box (340) and the connecting rod (310) is provided with a guide rail (363), and the other is provided with a sliding groove (311), and the sliding groove (311) is slidably connected to the guide rail (363) along the first direction.

6. The air conditioner according to claim 5, wherein, 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) passes through the shaft hole (351) and is connected to the transmission assembly (330) in a transmission manner; the transmission assembly (330) is installed in the box body (360); the connecting rod (310) is slidably connected in the box body (360) and one end of it can extend out of the box body (360).

7. The air conditioner according to claim 6, wherein, 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 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).

8. The air conditioner according to claim 6, characterized in that, A first shaft (361) is provided in the box body (360), and a second shaft (362) is provided in the box body (360) or the box cover (350); 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) and is pivotally connected to the box body (360) through the first shaft (361); the driven wheel (332) is pivotally connected to the box body (360) or the box cover (350) through the second shaft (362); the driven wheel (332) and the driving wheel (331) are arranged at intervals, the annular member successively 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 any one of claims 6-8, characterized in that, When the drive 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).

10. The air conditioner according to any one of claims 6-8, characterized in that, The end cover (120) is provided with a strip-shaped hole (131), the strip-shaped hole (131) communicates with the opening hole (121) and extends along the first direction; The sliding groove (311) is arranged on the connecting rod (310); the guide rail (363) is arranged in 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 extends along the first direction; The inner surface of the side plate (220) is provided with a rib (222), the rib (222) extends along the first direction, the rib (222) passes through the strip-shaped hole (131) and extends into the first receiving groove (3631); During the movement of the connecting rod (310) along the first direction, the rib (222) extends into the sliding groove (311).

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