Air inlet structure of air conditioner

Abstract

The utility model provides an air inlet structure of an air conditioner, which comprises an air inlet, a sealing cover and a connecting rod, and the air inlet is arranged on a shell of the air conditioner; the sealing cover comprises a cover plate and two side plates, the air inlet is covered with the cover plate, the two side plates are arranged in parallel in a spaced mode and perpendicularly connected to the cover plate, the side plates are located on the outer side of the shell, and second buckle structures are arranged on the inner surfaces of the side plates; a first buckle structure is arranged at the end part of the connecting rod, the first buckle structure is clamped to the second buckle structure, and a gap between the connecting rod and the side plate is adjustable; the connecting rod can move in the first direction relative to the shell to drive the cover plate to open or block the air inlet. According to the air inlet structure of the air conditioner, the connecting rod and the side plate are connected in a buckled mode, the gap between the connecting rod and the side plate can be adjusted, installation allowance is reserved between the side plate and the connecting rod, and the situation that assembly cannot be achieved due to manufacturing errors of the sealing cover is avoided; the connecting rods and the side plates are quickly disassembled and assembled, and the sealing cover is convenient to clean or replace.

Description

Technical Field

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

[0002] The air inlet of the indoor unit of the air conditioner is in an open state for a long time. Although a filter screen is provided at the air inlet, when the air conditioner is not running, the dust in the room will also fall on the filter screen. Therefore, when the indoor unit of the air conditioner 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 indoor units of air conditioners are provided with a closing cover for opening or blocking the air inlet, and a connecting rod fixedly connected to the closing cover. The closing cover includes a cover plate and a side plate vertically connected to the cover plate; due to manufacturing errors in the processing of the length dimension of the cover plate, or differences in the lateral dimensions of the indoor unit of the air conditioner, there is a defect that the closing cover and the indoor unit of the air conditioner cannot be assembled. Summary of the Utility Model

[0004] The utility model provides an air inlet structure of an air conditioner to solve the technical problem that in the prior art, due to manufacturing errors of the cover plate or differences in the lateral dimensions of the indoor unit of the air conditioner, the closing cover and the indoor unit of the air conditioner cannot be assembled.

[0005] The utility model provides an air inlet structure of an air conditioner, including:

[0006] An air inlet, which is arranged on the housing of the air conditioner;

[0007] A closing cover, which includes a cover plate and side plates. The cover plate covers the air inlet. There are 2 side plates, which are arranged in parallel at intervals and are vertically connected to the cover plate. The side plates are located outside the housing, and a second buckle structure is provided on the inner surface of the side plates; and,

[0008] A connecting rod, with a first buckle structure at its end. The first buckle structure is clamped to the second buckle structure, and the gap between the connecting rod and the side plates is adjustable; the connecting rod can move relative to the housing in a first direction, driving the cover plate to open or block the air inlet;

[0009] Wherein, the first direction refers to the direction perpendicular to the cover plate.

[0010] The air inlet structure of the air conditioner provided by the utility model, by adopting a snap connection between the connecting rod and the side plates, and the gap between the connecting rod and the side plates is adjustable. On the one hand, an installation allowance is reserved between the side plates and the connecting rod, avoiding the inability to assemble due to manufacturing errors of the closing cover; on the other hand, the quick disassembly and assembly of the connecting rod and the side plates are realized, facilitating the cleaning or replacement of the closing cover.

[0011] Further, one of the first snap structure and the second snap structure is a snap groove, which includes a notch and a groove cavity. Compared with the groove cavity, the notch is located at an end away from the cover plate, and the size of the notch 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 that of the notch and can extend into the groove cavity along the second direction and cooperate with the groove cavity; wherein, the second direction refers to the direction perpendicular to the side plate. With such a setting, after the snap head and the snap groove are engaged, the degrees of freedom of the snap head and the snap groove in the first direction and in the width direction of the snap groove are restricted; the degree of freedom of the snap block and the snap groove in the second direction is not restricted, so as to avoid the situation that the closing cover has manufacturing errors or the lateral dimension of the indoor unit is slightly different, resulting in the inability to assemble the closing cover and the connecting rod.

[0012] Further, a second protrusion is provided on the inner surface of the side plate, and the snap groove is provided on the second protrusion; the snap block is provided at the end of the connecting rod.

[0013] Further, the snap groove is a T-shaped groove or a dovetail groove;

[0014] And / or, a middle frame is provided in the housing, an end cover is provided on the middle frame along the second direction, 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 arranged between the middle frame and the end cover, and it can move relative to the middle frame or the end cover along the first direction, and its end can extend out of the end cover through the opening.

[0015] Further, the end cover is provided with a strip hole, the strip hole is communicated with the opening and extends along the first direction; a convex strip is provided on the inner surface of the side plate, the convex strip extends along the first direction, and the convex strip passes through the strip hole; a first sliding groove is provided on one side of the connecting rod close to the side plate, and during the movement of the connecting rod along the first direction, the convex strip extends into the first sliding groove. With such a setting, by providing the convex strip, the strength of the side plate is enhanced, and the bending deformation of the side plate is reduced; in addition, during the movement of the connecting rod along the first direction, the convex strip extends into the first sliding groove of the connecting rod, so that the convex strip and the first sliding groove overlap, thereby avoiding the gap between the side plate and the connecting rod and improving the aesthetics of the air conditioner.

[0016] Further, one end of the convex strip extends into the snap groove; the snap block is provided with a second sliding groove, the second sliding groove is communicated with the first sliding groove, and one end of the convex strip is clamped in the second sliding groove. With such a setting, the mutually cooperating second sliding groove and the convex strip provide guidance for the snap fit of the snap groove and the snap block.

[0017] Furthermore, the connecting rod is connected with a driving assembly; the driving assembly includes a driving box, a motor and a transmission assembly. The driving box is installed on the inner surface of the middle frame or the end cover; the motor is installed on the outer side surface of the driving box, and the motor shaft of the motor extends into the driving box; the transmission assembly is installed in the driving box, and the motor and the connecting rod are respectively connected to the transmission assembly in a transmission manner; the driving box is provided with a guide rail, the first sliding groove is slidably connected to the guide rail along the first direction, and one end of the connecting rod can extend out of the driving box. With such a setting, the driving components such as the motor, the transmission assembly and the connecting rod are integrated on the driving box. On the one hand, the middle frame only needs to design the connection structure with the driving box, which reduces the structural complexity of the middle frame and thus reduces the manufacturing cost of the air conditioner; on the other hand, it improves the disassembly and assembly efficiency of the driving components and the middle frame; in addition, modular production and assembly of the driving assembly are realized, the maintainability of the driving assembly is improved, and the assembly efficiency is improved.

[0018] Furthermore, the driving box includes a box body and a box cover which are connected to each other; the transmission assembly is installed in the box body or the box cover; the box cover has a shaft hole, the motor is installed outside the box cover and the motor shaft of the motor extends into the shaft hole and is connected to the transmission assembly in a transmission manner; the guide rail is arranged on the box body, and one end of the connecting rod can extend out of the box body. With such a setting, the box body and the box cover are connected to each other, which is convenient for the disassembly and assembly of the motor and the transmission assembly.

[0019] Furthermore, the guide rail is provided with a first receiving groove, the opening of the first receiving groove faces the end cover and it extends along the first direction; the convex strip passes through the strip-shaped hole and extends into the first receiving groove. With such a setting, the convex strip extends into the first receiving groove, and there is an overlap between the convex strip and the guide rail, avoiding the generation of gaps and improving the aesthetics of the air conditioner.

[0020] Furthermore, the transmission assembly includes a driving wheel, a driven wheel and an annular member. The driving wheel is fixedly arranged on the motor shaft of the motor, the driven wheel is pivotally connected to the box body or the box cover, the driven wheel and the driving wheel are arranged at intervals, the annular member successively surrounds the driving wheel and the driven wheel, and the driving wheel and the driven wheel cooperate to tension the annular member; the connecting rod is connected to the annular member. With such a setting, a transmission assembly composed of a driving wheel, a driven wheel and an annular member is adopted 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 driving box by the connecting rod, thus not polluting the transmission assembly, and further improving the service life of the transmission assembly.

[0021] The air inlet structure of an air conditioner provided by the present utility model has at least the following beneficial technical effects:

[0022] (1) The air intake structure of an air conditioner provided by the present utility model is connected by a connecting rod and a side plate through snap connection, and the gap between the connecting rod and the side plate is adjustable. On the one hand, an installation allowance is reserved between the side plate and the connecting rod to avoid being unable to assemble due to manufacturing errors of the closing cover. On the other hand, the connecting rod and the side plate can be quickly disassembled and assembled, which is convenient for cleaning or replacing the closing cover.

[0023] (2) For the air intake structure of an air conditioner provided by the present utility model, after the clamping joint and the clamping groove are matched, the degrees of freedom of the clamping joint and the clamping groove along the first direction and the degrees of freedom along the width direction of the clamping groove are restricted; the degrees of freedom of the clamping block and the clamping groove along the second direction are not restricted, so that it can be avoided that the closing cover has manufacturing errors or the lateral dimensions of the indoor unit are slightly different, resulting in the inability to assemble the closing cover and the connecting rod.

[0024] (3) The air intake structure of an air conditioner provided by the present utility model enhances the strength of the side plate and reduces the bending deformation of the side plate by arranging a rib; in addition, during the movement of the connecting rod along the first direction, the rib extends into the first sliding groove of the connecting rod, so that the rib and the first sliding groove overlap, thereby avoiding the gap between the side plate and the connecting rod and improving the aesthetics of the air conditioner.

[0025] (4) For the air intake structure of an air conditioner provided by the present utility model, the motor, the transmission assembly and the driving parts of the connecting rod are integrated on the driving box. On the one hand, the middle frame only needs to design the connection structure with the driving box, which reduces the structural complexity of the middle frame, thereby reducing the manufacturing cost of the air conditioner. On the other hand, the disassembly and assembly efficiency of the driving parts and the middle frame is improved; in addition, modular production and assembly of the driving assembly are realized, the maintainability of the driving assembly is improved, and the assembly efficiency is improved.

[0026] (5) The air intake structure of an air conditioner provided by the present utility model has the rib extending into the first receiving groove, and the rib and the guide rail overlap to avoid generating a gap and improve the aesthetics of the air conditioner.

[0027] (6) The air intake structure of an air conditioner provided by the present utility model adopts a transmission assembly composed of a driving wheel, a driven wheel and an annular part to realize the lifting of the connecting rod driving the closing cover. This transmission assembly does not require lubricating oil, and the connecting rod will not be contaminated with lubricating oil. The surface of the connecting rod is smooth and free of oil stains; during the lifting movement of the connecting rod, the connecting rod will not adsorb dust in the air. Therefore, dust is not easily brought into the driving box by the connecting rod, so that the transmission assembly will not be polluted, and further the service life of the transmission assembly is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is an exploded structural schematic diagram of an air intake structure of an air conditioner provided by an embodiment of the present utility model;

[0029] Figure 2Explosion structure schematic diagram of the drive assembly in the air inlet structure of an air conditioner provided by an embodiment of the present utility model;

[0030] Figure 3 Structure schematic diagram of the closing cover in the air inlet structure of an air conditioner provided by an embodiment of the present utility model;

[0031] Figure 4 For Figure 3 Partial enlarged structure schematic diagram of the circled part F in;

[0032] Figure 5 Structure schematic diagram of the end cover in the air inlet structure of an air conditioner provided by an embodiment of the present utility model;

[0033] Figure 6 For Figure 5 Partial enlarged structure schematic diagram of the circled part E in;

[0034] Figure 7 Explosion structure schematic diagram of the drive assembly in the air inlet structure of an air conditioner provided by an embodiment of the present utility model;

[0035] Figure 8 For Figure 7 Partial enlarged structure schematic diagram of the circled part G in;

[0036] Figure 9 Partial structure schematic diagram of the air inlet structure of an air conditioner provided by an embodiment of the present utility model;

[0037] Figure 10 For Figure 9 Partial enlarged structure schematic diagram of the circled part D in;

[0038] Figure 11 Partial structure schematic of the drive assembly in the air inlet structure of an air conditioner provided by an embodiment of the present utility model Figure 1 ;

[0039] Figure 12 For Figure 11 Partial enlarged structure schematic diagram of the circled part A in;

[0040] Figure 13 Partial structure schematic of the drive assembly in the air inlet structure of an air conditioner provided by an embodiment of the present utility model Figure 2 ;

[0041] Figure 14 For Figure 13 Partial enlarged structure schematic diagram of the circled part B in;

[0042] Figure 15 Partial structure schematic of the drive assembly in the air inlet structure of an air conditioner provided by an embodiment of the present utility modelFigure 3 ;

[0043] Figure 16 A schematic diagram of an air conditioner provided by an embodiment of the utility model when the closed cover is in an open state;

[0044] Figure 17 A schematic diagram of an air conditioner provided by an embodiment of the utility model when the closing cover is in a closed state;

[0045] Description of reference numerals:

[0046] 110, middle frame; 111, air inlet; 112, avoidance hole; 120, end cover; 121, opening; 130, groove; 131, strip hole; 132, first protrusion; 133, decorative groove;

[0047] 20, closing cover; 210, cover plate; 220, side plate; 221, second buckle structure; 222, convex strip; 230, side plate body; 231, first folded edge; 232, second folded edge;

[0048] 30, driving assembly; 310, telescopic rod; 311, first slide; 312, clamping assembly; 3121, first clamping plate; 3122, second clamping plate; 3123, second receiving groove; 3124, toothed structure; 313, first buckle structure; 316, protruding structure; 317, second slide; 320, motor; 321, lug; 330, transmission assembly; 331, driving wheel; 332, driven wheel; 333, toothed belt; 3 40. Drive box; 350. Box cover; 351. Axis hole; 352. Connecting hole; 353. Card slot; 354. First protrusion; 355. First connecting part; 356. First card-connecting structure; 360. Box body; 361. First axis; 362. Second axis; 363. Guide rail; 3631. First accommodating groove; 364. Limiting block; 365. Second protrusion; 366. Second connecting part; 367. Second card-connecting structure; 368. Connecting column. DETAILED DESCRIPTION

[0049] In order to make the above-mentioned purpose, features and advantages of the present invention more obvious and easy to understand, the following is a brief description of the present invention in conjunction with the attached Figure 1 —17 A detailed description is given of the specific embodiments of the present invention.

[0050] In the present invention, the terms "connection" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated structure.

[0051] In the present utility model, terms such as "inner", "outer", "upper", and "lower" indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings. They are only for 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 thus should not be construed as a limitation to the present utility model.

[0052] An embodiment of the present utility model provides an air inlet structure for an air conditioner. Refer to the attached Figures 1 - 4 , the air inlet structure of the air conditioner includes an air inlet 111, a closing cover 20, and a connecting rod 310. The air inlet 111 is provided on the housing of the air conditioner; the closing cover 20 includes a cover plate 210 and side plates 220. The cover plate 210 covers the air inlet 111. There are 2 side plates 220, which are arranged in parallel at intervals and are perpendicularly connected to the cover plate 210. The side plates 220 are located outside the housing, and a second snap structure 221 is provided on the inner surface of the side plates 220; a first snap structure 313 is provided at the end of the connecting rod 310, and the first snap structure 313 is snap-connected to the second snap structure 221, and the gap between the connecting rod 310 and the side plates 220 is adjustable; the connecting rod 310 can move relative to the housing in a first direction, driving the cover plate 210 to open or block the air inlet 111; wherein, the first direction refers to the direction perpendicular to the cover plate 210.

[0053] For the air inlet structure of the air conditioner provided by the embodiment of the present utility model, by adopting the snap connection between the connecting rod 310 and the side plates 220, and the gap between the connecting rod 310 and the side plates 220 is adjustable. On the one hand, an installation allowance is reserved between the side plates 220 and the connecting rod 310, avoiding the inability to assemble due to the manufacturing error of the closing cover 20; on the other hand, the quick disassembly and assembly of the connecting rod 310 and the side plates 220 are realized, facilitating the cleaning or replacement of the closing cover 20.

[0054] Refer to the attached Figure 2 and Figure 4 , in the embodiment of the present utility model, one of the first snap structure 313 and the second snap structure 221 is a snap groove, the snap groove includes a groove opening and a groove cavity. Compared with the groove cavity, the groove opening is located at 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 a second direction and cooperate with the groove cavity; wherein, the second direction refers to the direction perpendicular to the side plates 220. With such a setting, after the snap head and the snap groove are matched, the freedom degree of the snap head and the snap groove in the first direction and the freedom degree in the width direction of the snap groove are limited; the freedom degree of the snap block and the snap groove in the second direction is not limited, so as to avoid the inability to assemble the closing cover 20 and the connecting rod 310 due to the manufacturing error of the closing cover 20 or a slight difference in the lateral dimension of the indoor unit.

[0055] Referring to the accompanying drawings, in an embodiment of the present utility model, a second protrusion is provided on the inner surface of the side plate 220, and the clamping groove is provided on the second protrusion; the clamping block is provided at the end of the connecting rod 310.

[0056] In an embodiment of the present utility model, the clamping groove is a T-shaped groove or a dovetail groove.

[0057] Referring to the accompanying Figure 1 , in an embodiment of the present utility model, a middle frame 110 is provided inside the housing, an end cover 120 is provided on the middle frame 110 along the second direction, 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 it can move relative to the middle frame 110 or the end cover 120 along the first direction, and its end can extend out of the end cover 120 through the opening 121.

[0058] Referring to the accompanying Figure 5 and Figure 6 , in an embodiment of the present utility model, the end cover 120 is provided with a strip-shaped hole 131, the strip-shaped hole 131 is communicated with the opening 121 and extends along the first direction; a rib 222 is provided on the inner surface of the side plate 220, the rib 222 extends along the first direction, and the rib 222 passes through the strip-shaped hole 131; a first sliding groove 311 is provided on the side of the connecting rod 310 close to the side plate 220. During the movement of the connecting rod 310 along the first direction, the rib 222 extends into the first sliding groove 311. With such a setting, by providing the rib 222, the strength of the side plate 220 is enhanced, and the bending deformation of the side plate 220 is reduced; in addition, during the movement of the connecting rod 310 along the first direction, the rib 222 extends into the first sliding groove 311 of the connecting rod 310, so that the rib 222 and the first 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.

[0059] In an embodiment of the present utility model, the rib 222 is slidably connected to the strip-shaped hole 131. With such a setting, it provides a guide for the movement of the side plate 222 along the first direction.

[0060] Referring to the accompanying Figure 8 , in an embodiment of the present utility model, one end of the rib 222 extends into the clamping groove; the clamping block is provided with a second sliding groove 317, the second sliding groove 317 is communicated with the first sliding groove 311, and one end of the rib 222 is clamped in the second sliding groove 317. With such a setting, the mutually cooperating second sliding groove 317 and the rib 222 provide a guide for the clamping fit between the clamping groove and the clamping block.

[0061] Referring to the accompanying Figure 2 and Figure 7In the embodiment of the utility model, the connecting rod 310 is connected to the driving assembly 30, and 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 inner surface of the middle frame 110 or the end cover 120; the motor 320 is installed on the outer side of the driving box 340, and the motor shaft of the motor 320 extends into the driving box 340; the transmission assembly 330 is installed in the driving box 340, and the motor 320 and the connecting rod 310 are respectively connected to the transmission assembly 330; the driving box 340 is provided with a guide rail 363, the first slide groove 311 is slidably connected to the guide rail 363 along the first direction, and one end of the connecting rod 310 can extend out of the driving box 340. In this way, the driving components of the motor 320, the transmission assembly 330 and the connecting rod 310 are integrated into the driving box 340. On the one hand, the middle frame 110 only needs to design a connection structure with the driving box 340, which reduces the structural complexity of the middle frame 110, thereby reducing the manufacturing cost of the air conditioner; on the other hand, the disassembly and assembly efficiency of each driving component and the middle frame 110 is improved; in addition, modular production and assembly of the driving component 30 are realized, the maintainability of the driving component 30 is improved, and the assembly efficiency is improved.

[0062] See attached Figure 2 and Figure 7 In the embodiment of the utility model, the driving box 340 includes a box body 360 and a box cover 350 connected to each other; the transmission assembly 330 is installed in the box body 360 or the box cover 350; the box cover 350 has an axis hole 351, the motor 320 is installed outside the box cover 350, and the motor shaft of the motor 320 extends into the axis hole 351 and is transmission-connected to the transmission assembly 330; 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. In this way, the box body 360 and the box cover 350 connected to each other are convenient for disassembly and assembly of the motor 320 and the transmission assembly 330.

[0063] See attached Figure 10 In the embodiment of the 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 along the first direction; the convex strip 222 passes through the strip hole 131 and extends into the first receiving groove 3631. In this way, the convex strip 222 extends into the first receiving groove 3631, and the convex strip 222 and the guide rail 363 overlap to avoid a gap, thereby improving the aesthetics of the air conditioner.

[0064] See attached Figure 2, in the embodiment of the present utility model, the transmission assembly 330 includes a driving wheel 331, a driven wheel 332 and an annular member. The driving wheel 331 is fixedly arranged on the motor shaft of the motor 320, the driven wheel 332 is pivotally connected to the box body 360 or the box cover 350, the annular member sequentially surrounds the driving wheel 331 and the driven wheel 332, and the driving wheel 331 and the driven wheel 332 cooperate to tension the annular member; the connecting rod 310 is connected to the straight section of 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 the engagement 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 and bring 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. This 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 , in the embodiment of the present utility model, a first shaft 361 is arranged in the box body 360, and the driving wheel 331 is pivotally connected to the box body 360 through the first shaft 361. The connection method between the first shaft 361 and the box body 360 is not limited, and specifically as follows: in one embodiment, the first shaft 361 is fixedly arranged in 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 fixedly arranged on 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, reducing the radial acting force of the driving wheel 331 on the motor shaft and improving the service life of the motor 320.

[0066] See the appendix Figure 2, in the embodiment of the present utility model, a second shaft 362 is provided inside the box body 360 or the box cover 350, and the driven wheel 332 is pivotally connected to the box body 360 or the box cover 350 through the second shaft 362. The connection manner between the second shaft 362 and the box body 360 or the box cover 350 is not limited, and specifically as follows: In one embodiment, the second shaft 362 is fixed to the box body 360 or the box cover 350, and the driven wheel 332 is pivotally connected to the second shaft 362; in another embodiment, the second shaft is pivotally connected to the box body 360 or the box cover 350, and the driven wheel 332 is fixed to the second shaft 362. With such a setting, the second shaft 362 is provided inside the box body 360 or the box cover 350 to realize the pivotal connection between the driven wheel 332 and the box body 360 or the box cover 350.

[0067] See the appendix Figure 12 , 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 clearance is reduced, the shaking of the connecting rod is avoided, and the sliding stability of the connecting rod is improved.

[0068] See the appendix Figure 12 , 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. 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.

[0069] In the embodiment of the present utility model, the first convex portion 354 is a first strip-shaped convex portion, and the first strip-shaped convex portion extends along the first direction; or the first convex portion 354 includes a plurality of first convex points, and the plurality of first convex points are arranged at intervals along the first direction.

[0070] In the embodiment of the present utility model, the second convex portion 365 is a second strip-shaped convex portion, and the second strip-shaped convex portion extends along the first direction; or, the second convex portion 365 includes a plurality of second convex points, and the plurality of second convex points are arranged at intervals along the second direction.

[0071] See the appendix Figure 13 , in the 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. 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 along the first direction.

[0072] See the appendix Figure 14, in the embodiment of the present utility model, the clamping assembly 312 includes a first clamping plate 3121 and a second clamping plate 3122 which are connected to each other. There is a second receiving groove 3123 between the first clamping plate 3121 and the second clamping plate 3122, and the second receiving groove 3123 cooperates with the straight section of the annular member.

[0073] There is no limit to the connection method of the first clamping plate 3121, the second clamping plate 3122 and the straight section of the annular member. Specifically as follows:

[0074] , 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.

[0075] See the appendix Figure 13 , Figure 14 and Figure 15 , 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.

[0076] , in other implementation manners of the embodiment of the present utility model, the annular member is a toothed belt 333; a toothed structure 3124 is provided on the inner wall surface of the second receiving groove 3123, and the toothed structure 3124 meshes with the toothed belt 333; and, the first clamping plate 3121 and the second clamping plate 3122 are connected by fasteners. With such a setting, on one hand, through the meshing of the toothed belt 333 and the toothed structure 3124, the connection between the toothed belt 333 and the connecting rod 310 is realized; on the other hand, the first clamping plate 3121 and the second clamping plate 3122 are connected by fasteners to improve the connection stability and reliability between the toothed belt 333 and the connecting rod 310.

[0077] See the appendix Figure 14 , 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 along the first direction and away from the air inlet 111, the limiting block 364 can abut against the end face of the clamping assembly 312. With such a setting, the limiting of the movement of the closing cover 20 along the first direction and away from the air inlet 111 is realized.

[0078] See the appendix Figure 1 and Figure 2, in an embodiment of the present utility model, in one implementation manner, the box cover 350 is located between the middle frame 110 and the box body 360; the middle frame 110 is provided with an avoidance hole 112, and the motor 320 extends into the middle frame 110 through the avoidance hole 112. With such a setting, by providing the avoidance hole 112 on the middle frame 110, the motor 320 extends into the avoidance hole 112, making full use of the internal space of the middle frame 110, reducing the size between the middle frame 110 and the end cover 120, thereby reducing the size of the air conditioner; in addition, the motor 320 is protected to avoid damage to the motor 320 under the action of external forces.

[0079] In an embodiment of the present utility model, the connection manner of the motor 320 with the box cover 350 and the box body 360 is not limited, and specifically as follows:

[0080] See the appendix Figure 7 , in an embodiment of the present utility model, in one implementation manner, the motor 320 has at least 2 lugs 321, and the lugs 321 are fixedly connected to the box cover 350 or the box body 360 through fasteners. With such a setting, reliable installation of the motor 320 is achieved.

[0081] Further, see the appendix Figure 2 , in an embodiment of the present utility model, the box cover 350 is provided with connection holes 352 adapted to the fasteners, and connection columns 368 fixed to the fasteners are provided inside the box body 360 or inside the box cover 350.

[0082] See the appendix Figure 2 , in an embodiment of the present utility model, in another implementation manner, 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. With such a setting, on the basis of clamping, 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, which is beneficial to further improving the assembly efficiency.

[0083] Further, see the appendix Figure 2 , in an embodiment of the present utility model, the box cover 350 is provided with connection holes 352 adapted to the fasteners, and connection columns 368 fixed to the fasteners are provided inside the box body 360 or inside the box cover 350; the box cover 350 is provided with a boss, and the boss is provided with a card slot 353, and the lug 321 is clamped in the card slot 353. With such a setting, the connection columns 368 and the card slots 353 are simple to process and manufacture, and the cost is low.

[0084] In an embodiment of the present utility model, the connection manner between the box body 360 and the box cover 350 and the connection manner between the box body 360, the box cover 350 and the middle frame 110 are not limited, and specifically as follows:

[0085] See the appendix Figure 7, in the first implementation manner of the embodiment of the present utility model, a first connection portion 355 is provided on the side surface of the box cover 350, and a second connection portion 366 is provided on the side surface of the box body 360. The positions and quantities of the first connection portion 355 and the second connection portion 366 correspond one by one, and the first connection portion 355 and the second connection portion 366 are fixedly connected to the middle frame 110 through 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.

[0086] See appendix Figure 7 , in the second implementation manner of the embodiment of the present utility model, a first clamping structure 356 is provided on the side surface of the box cover 350, and a second clamping structure 367 is provided on the side surface of the box body 360. 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.

[0087] In the third implementation manner of the embodiment of the present utility model, the above first implementation manner and the second implementation manner are combined. With such a setting, the box cover 350 and the box body 360 are first clamped by the first clamping structure 356 and the second clamping structure 367; then the box cover 350 and the box body 360 are fixed to the middle frame 110 through fasteners.

[0088] 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 box cover 350, and the first connection portion 355 is fixedly connected to the middle frame 110 through a fastener; or, 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 box cover 350 and the box body 360 are first clamped by the first clamping structure 356 and the second clamping structure 367; then the box cover 350 and the box body 360 are fixed to the middle frame 110 through fasteners.

[0089] See appendix Figure 1 , Figure 5 , Figure 6 and Figure 17 , in the embodiment of the present utility model, a groove 130 is provided on the outer surface of the end cover 120. If the cover plate 210 blocks the air inlet 111, the outer contour of the side plate 220 cooperates with the groove 130. With such a setting, by providing the groove 130 on the outer 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 air conditioner indoor unit, so that the lateral size of the air conditioner indoor unit will not increase; 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.

[0090] See appendixFigure 10 , in the embodiment of the present utility model, the strip-shaped hole 131 is provided in the groove 130.

[0091] See the appendix Figure 5 and Figure 10 , in the embodiment of the present utility model, the opening size of the groove 130 on the side close to the cover plate 210 is large along the first direction, 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 is large along the first direction, and the size on the side far from the cover plate 210 is small. With such a setting, the size of 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.

[0092] See the appendix Figure 5 , in the embodiment of the present utility model, in one implementation manner, the cross-sectional shape of the groove 130 is Y-shaped, and the cross-sectional shape of the side plate 220 is Y-shaped. With such a setting, the opening size of the groove 130 gradually decreases first and then remains unchanged along the direction away from the cover plate 210, and the size of the side plate 220 gradually decreases first and then remains unchanged along the direction away from the cover plate 210, making the appearance of the air conditioner more rounded and improving the aesthetics of the air conditioner.

[0093] See the appendix Figure 5 , in the embodiment of the present utility model, in another implementation manner, the cross-sectional shape of the groove 130 is V-shaped, and the cross-sectional shape of the side plate 220 is V-shaped. With such a setting, the opening size of the groove 130 gradually decreases along the direction away from the cover plate 210, and the size of the side plate 220 gradually decreases along the direction away from the cover plate 210, making the appearance of the air conditioner more rounded and improving the aesthetics of the air conditioner.

[0094] See the appendix Figure 4 , 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.

[0095] See the appendix Figure 6, 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.

[0096] See the appendix Figure 6 , in the embodiment of the present utility model, the groove 130 is provided with decorative grooves 133, there are a plurality of decorative grooves 133, and the plurality of 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 aesthetic property of the air conditioner is improved.

[0097] See the appendix Figure 6 , in the embodiment of the present utility model, the cross-sectional shapes of the mutually symmetric decorative grooves 133 are Y-shaped or V-shaped.

[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 inlet structure of an air conditioner, characterized in that: include: An air inlet (111) is provided on a housing of the air conditioner; A closing cover (20), comprising a cover plate (210) and a side plate (220), wherein the cover plate (210) covers the air inlet (111), and the side plates (220) have two portions, which are arranged in parallel and spaced apart and vertically connected to the cover plate (210), and the side plates (220) are located on the outside of the housing, and the inner surface of the side plates (220) is provided with a second buckle structure (221); and, A connecting rod (310), an end of which is provided with a first buckle structure (313), the first buckle structure (313) being buckled to the second buckle structure (221), and a gap between the connecting rod (310) and the side plate (220) being adjustable; the connecting rod (310) being able to move relative to the housing in a first direction, driving the cover plate (210) to open or block the air inlet (111); The first direction refers to a direction perpendicular to the cover plate (210).

2. The air inlet structure of the air conditioner according to claim 1, characterized in that: One of the first snap-fit ​​structure (313) and the second snap-fit ​​structure (221) is a snap-fit ​​groove, the snap-fit ​​groove comprising a notch and a groove cavity, the notch being located at an end away from the cover plate (210) compared to the groove cavity, and the size of the notch being smaller than the size of the groove cavity; the other is a snap-fit ​​block, the size of the snap-fit ​​joint of the snap-fit ​​block being larger than the size of the notch and being able to extend into the groove cavity along the second direction and cooperate with the groove cavity; The second direction refers to a direction perpendicular to the side plate (220).

3. The air inlet structure of the air conditioner according to claim 2, characterized in that: The inner surface of the side plate (220) is provided with a protrusion, and the clamping groove is provided on the protrusion; the clamping block is provided at the end of the connecting rod (310).

4. The air inlet structure of the air conditioner according to claim 3, characterized in that: The clamping groove is a T-shaped groove or a dovetail groove; And / or, a middle frame (110) is provided in the shell, the middle frame (110) is provided with an end cover (120) along the second direction, 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 can move relative to the middle frame (110) or the end cover (120) along the first direction, and its end can extend out of the end cover (120) through the opening (121).

5. The air inlet structure of the air conditioner according to claim 4, characterized in that: The end cover (120) is provided with a strip-shaped hole (131), the strip-shaped hole (131) is connected to the opening (121) and extends along the first direction; The inner surface of the side plate (220) is provided with a convex strip (222), the convex strip (222) extends along the first direction, and the convex strip (222) passes through the strip-shaped hole (131); A first sliding groove (311) is provided on a side of the connecting rod (310) close to the side plate (220), and when the connecting rod (310) moves along the first direction, the convex strip (222) extends into the first sliding groove (311).

6. The air inlet structure of the air conditioner according to claim 5, characterized in that: One end of the convex strip (222) extends into the clamping groove; the clamping block is provided with a second sliding groove (317), the second sliding groove (317) is connected to the first sliding groove (311), and one end of the convex strip (222) is clamped in the second sliding groove (317).

7. The air inlet structure of the air conditioner according to claim 5, characterized in that: The connecting rod (310) is connected to a driving assembly (30); The driving assembly (30) comprises a driving box (340), a motor (320) and a transmission assembly (330); the driving box (340) is mounted on the inner surface of the middle frame (110) or the end cover (120); the motor (320) is mounted on the outer side of the driving box (340), and the motor shaft of the motor (320) extends into the driving box (340); the transmission assembly (330) is mounted in the driving box (340), and the motor (320) and the connecting rod (310) are respectively connected to the transmission assembly (330) in a transmission manner; the driving box (340) is provided with a guide rail (363), the first sliding groove (311) is slidably connected to the guide rail (363) along the first direction, and one end of the connecting rod (310) can extend out of the driving box (340).

8. The air inlet structure of the air conditioner according to claim 7, characterized in that: The driving box (340) comprises a box body (360) and a box cover (350) which are connected to each other; the transmission assembly (330) is installed in the box body (360) or in the box cover (350); the box cover (350) has an axial hole (351), the motor (320) is installed on the outside of the box cover (350) and the motor shaft of the motor (320) extends into the axial hole (351) and is transmission-connected to the transmission assembly (330); 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).

9. The air inlet structure of the air conditioner according to claim 8, characterized in that: The guide rail (363) is provided with a first accommodating groove (3631), the opening of the first accommodating groove (3631) faces the end cover (120) and extends along the first direction; the convex strip (222) passes through the strip-shaped hole (131) and extends into the first accommodating groove (3631).

10. The air inlet structure of the air conditioner according to claim 8, characterized in that: The transmission assembly (330) comprises a driving wheel (331), a driven wheel (332) and an annular member, wherein the driving wheel (331) is fixedly mounted on the motor shaft of the motor (320), the driven wheel (332) is pivotally connected to the box body (360) or the box cover (350), the driven wheel (332) and the driving wheel (331) are arranged at intervals, the annular member surrounds the driving wheel (331) and the driven wheel (332) in sequence, 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.

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