Air conditioner

Abstract

An air conditioner (100), comprising: a housing assembly (2), a heat exchanger assembly (3), and an air duct assembly (4). The air duct assembly (4) comprises an air duct volute (41) and a fan assembly (44); the air duct volute (41) comprises a front volute (411) and an air duct partition plate (413); the front volute (411) comprises two sub-volutes arranged in the left-right direction; the air duct partition plate (413) is located between the two sub-volutes; the air duct partition plate (413) comprises a middle partition plate (4131) and a rear partition plate (4132) that are detachable; the middle partition plate (4131) is detachably connected to the front volute (411); and the middle partition plate (4131) is connected between the rear partition plate (4132) and the front volute (411) and is located between two air ducts (414) in the left-right direction.

Description

air conditioner

[0001] Cross-reference to related applications

[0002] This application is based on and claims priority to Chinese patent applications with application numbers 202411596724.7 and 202422735896.X, filed on November 8, 2024, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of air conditioning equipment technology, and in particular to an air conditioner. Background Technology

[0004] In related technologies, the air duct assembly of an air conditioner is used to form an air duct and for air delivery. The air duct assembly is usually assembled from multiple parts. In order to increase the air delivery volume and improve the cooling / heating efficiency of the air conditioner, the air conditioner is set with a dual air duct structure. Air conditioners with dual air ducts usually have an air duct baffle installed inside the air duct casing to separate the air duct into left and right air ducts.

[0005] However, in related technologies, the air duct baffles inside air conditioners are relatively large in size, making the manufacturing process quite difficult. Furthermore, if there are problems with the air duct baffles, the entire baffle may become unusable, increasing production or repair costs. Therefore, improvements are needed. Summary of the Invention

[0006] This application aims to at least solve one of the technical problems existing in the prior art. To this end, one object of this application is to provide an air conditioner, comprising: a housing assembly, wherein an air outlet is formed at the front of the housing assembly and an air inlet is formed at the rear of the housing assembly, the air outlet being two outlets spaced apart in a left-right direction; a heat exchanger assembly disposed within the housing assembly; and a duct assembly disposed within the housing assembly and including a duct volute and a fan assembly, the duct volute including a front volute and a duct baffle, the front volute including two sub-volutes arranged in a left-right direction, the duct baffle being located between the two sub-volutes, and the duct baffle being connected to the fan assembly. The front volute is connected to and defines two air ducts arranged in the left-right direction. The two air outlets are respectively connected to the two air ducts. The fan assembly includes two fans arranged in the left-right direction. Each fan includes a fan wheel and a motor. The motor is connected to the fan wheel. The two fan wheels are respectively located in the two air ducts. The air duct partition includes a detachably connected middle partition and a rear partition. The middle partition is detachably connected to the front volute. The middle partition is connected between the rear partition and the front volute and is located between the two air ducts in the left-right direction.

[0007] According to the air conditioner of this application embodiment, since the size of the middle partition and the rear partition is reduced relative to the entire air duct partition, the smaller middle partition and the rear partition can be manufactured first during the air duct partition production process, and then the middle partition and the rear partition can be assembled into the air duct partition. This can improve the assembly efficiency of the air duct components and reduce the manufacturing process difficulty of the air duct partition. Furthermore, since the air duct partition is set as two detachably connected parts, the production cost or maintenance cost of the air duct partition can also be reduced. In addition, the middle partition and the rear partition can be made of different materials, making the selection of materials and the setting of the air duct partition more flexible.

[0008] According to some embodiments of this application, the cross-section of the partition plate has a consistent shape in the vertical direction.

[0009] According to some embodiments of this application, a hollow cavity is formed inside the partition plate, and a reinforcing rib is provided inside the hollow cavity, the reinforcing rib being connected to the inner wall of the hollow cavity.

[0010] According to some embodiments of this application, the reinforcing ribs are a plurality of ribs arranged at intervals along the front-back direction, and each of the reinforcing ribs is connected to the left and right side walls of the hollow cavity respectively.

[0011] According to some embodiments of this application, the middle partition is snap-fitted to the front volute; and / or, the middle partition is snap-fitted to the rear partition.

[0012] According to some embodiments of this application, the left and right ends of the rear partition are respectively provided with first snap fasteners, and the left and right ends of the middle partition are respectively provided with first snap-fit ​​portions. The first snap fasteners located at the same end in the left and right directions engage with the first snap-fit ​​portions.

[0013] According to some embodiments of this application, the first snap-fit ​​portion is an elongated strip extending in the vertical direction, and the first snap-fits located at the same end in the left and right directions are multiple snap-fits arranged in the vertical direction and engaging with the corresponding first snap-fit ​​portion.

[0014] According to some embodiments of this application, the first snap fastener includes a first connecting arm and a first snap part. The first snap part is connected to the rear partition through the first connecting arm. The first snap part has a first engaging surface and a second engaging surface. The first engaging surface is located in front of the second engaging surface and abuts against the second engaging surface in the front-rear direction.

[0015] According to some embodiments of this application, the rear partition includes a rear partition body and a rear volute tongue. The rear volute tongue is connected to the left and right sides of the rear partition body. The first snap fastener is disposed at the left and right ends of the rear partition body and is located between the two rear volute tongues. The first snap fastener located at the same end in the left and right direction defines a first slot between the first snap fastener and the rear volute tongue. The length direction portion of the first snap-fit ​​portion is located in the first slot.

[0016] According to some embodiments of this application, the rear end of the partition plate is provided with a first mounting groove extending in the vertical direction, at least a portion of the first snap fastener is located in the first mounting groove, the first mounting groove has a first sidewall disposed opposite to each other in the left-right direction, and the first snap-fit ​​portion is disposed at the free end of the first sidewall.

[0017] According to some embodiments of this application, a first guide slope is formed on the side of the first snap-fit ​​portion facing the first mounting groove. The first guide slope is used to guide the installation of the first snap-fit. In the direction from back to front, the distance between the first guide slopes of the two first snap-fit ​​portions in the left-right direction gradually increases.

[0018] According to some embodiments of this application, the front end of the rear partition is provided with a first limiting rib, which is accommodated in the first mounting groove and located between the two first snap-fit ​​portions.

[0019] According to some embodiments of this application, the rear partition includes a rear partition body and a rear volute tongue. The rear volute tongue is connected to the left and right sides of the rear partition body. The first snap fastener and the first limiting rib are both disposed on the rear partition body and are both located between the two rear volute tongues. The length portion of the first snap-fit ​​part is located in the second slot defined by the rear volute tongue and the first limiting rib.

[0020] According to some embodiments of this application, the left and right ends of the front volute are respectively provided with second spring buckles, and the left and right ends of the middle partition are respectively provided with second snap-fit ​​portions. The second spring buckles located at the same end in the left and right directions are snap-fitted with the second snap-fit ​​portions.

[0021] According to some embodiments of this application, the second snap-fit ​​portion is an elongated strip extending in the vertical direction, and the second snap-fits located at the same end in the left and right directions are multiple snap-fits arranged in the vertical direction and engaging with the corresponding second snap-fit ​​portion.

[0022] According to some embodiments of this application, the second snap fastener has a second connecting arm and a second snap portion, the second snap portion being connected to the front volute via the second connecting arm, the second snap portion having a third engaging surface, the second engaging surface having a fourth engaging surface, the third engaging surface being located behind the fourth engaging surface and abutting against the fourth engaging surface in the front-rear direction.

[0023] According to some embodiments of this application, a second mounting groove extending in the vertical direction is formed on the rear side of the front volute, the second spring buckle is disposed in the second mounting groove, the second mounting groove has a second sidewall disposed opposite to each other in the left-right direction, a third slot is defined between the second spring buckle located at the same end in the left-right direction and the second sidewall, and a portion of the second snap-fit ​​portion in the length direction is located in the third slot.

[0024] According to some embodiments of this application, the front end of the partition plate is provided with a third mounting groove extending in the vertical direction, at least a portion of the second snap fastener is located in the third mounting groove, the third mounting groove has a third sidewall disposed opposite to each other in the left-right direction, and the second snap-fit ​​portion is disposed at the free end of the third sidewall.

[0025] According to some embodiments of this application, a second guide slope is formed on the side of the second snap-fit ​​portion facing the third mounting groove. The second guide slope is used to guide the installation of the second snap-fit. In the direction from front to back, the distance between the second guide slopes of the two second snap-fit ​​portions gradually increases.

[0026] According to some embodiments of this application, a second limiting rib is provided on the rear side of the front volute, the second limiting rib being accommodated in the third mounting groove and located between the two second snap-fit ​​portions.

[0027] According to some embodiments of this application, a second mounting groove extending in the vertical direction is formed on the rear side of the front volute. The second spring buckle and the second limiting rib are both disposed in the second mounting groove. The second mounting groove has a second sidewall disposed opposite to each other in the left-right direction. A fourth slot is defined between the second limiting rib and the second sidewall. The length portion of the second snap-fit ​​portion is located in the fourth slot.

[0028] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0029] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0030] Figure 1 is a perspective view of the indoor unit of an air conditioner according to some embodiments of this application;

[0031] Figure 2 is an exploded view of the indoor unit of the air conditioner in Figure 1;

[0032] Figure 3 is a cross-sectional view of the indoor unit of the air conditioner in Figure 1;

[0033] Figure 4 is an assembly diagram of the air duct assembly in Figure 2;

[0034] Figure 5 is an exploded view of the air duct assembly in Figure 4;

[0035] Figure 6 is a schematic diagram of the anterior volute in Figure 4;

[0036] Figure 7 is a partial cross-sectional view of the connection between the front volute and the middle septum in Figure 4;

[0037] Figure 8 is a partial cross-sectional view of another location at the connection between the front volute and the middle septum in Figure 4;

[0038] Figure 9 is an assembly diagram of the second cover, rear partition, middle partition, and second support base in Figure 4.

[0039] Figure 10 is a partial cross-sectional view of the connection between the middle partition and the rear partition in Figure 9;

[0040] Figure 11 is a partial cross-sectional view of another location at the connection between the middle partition and the rear partition in Figure 9;

[0041] Figure 12 is an assembly diagram of the front volute, motor cover, rear partition and second support base in Figure 4.

[0042] Figure 13 is a partial cross-sectional view of the assembly of the first cover on the front volute and the second cover on the rear bulkhead in Figure 12.

[0043] Figure 14 is a partial cross-sectional view of the assembly of the first support seat on the front volute and the second support seat on the rear bulkhead in Figure 12.

[0044] Figure 15 is a schematic diagram of the anterior volute in Figure 4;

[0045] Figure 16 is an enlarged view of point A in Figure 15;

[0046] Figure 17 is an enlarged view of point B in Figure 15;

[0047] Figure 18 is an enlarged view of point C in Figure 15;

[0048] Figure 19 is an enlarged view of point D in Figure 15;

[0049] Figure 20 is a schematic diagram of the middle partition in Figure 4;

[0050] Figure 21 is a cross-sectional view of the diaphragm in Figure 20;

[0051] Figure 22 is a schematic diagram of the second cover, rear partition and second support base in Figure 4;

[0052] Figure 23 is an enlarged view of part of the structure in Figure 22;

[0053] Figure 24 is an enlarged view of part of the structure in Figure 22;

[0054] Figure 25 is an assembly diagram of the rear shell, heat exchanger support and air duct volute in Figure 2;

[0055] Figure 26 is a cross-sectional view of the rear shell, heat exchanger support and air duct volute in Figure 25 at the third fastener connection.

[0056] Figure 27 is a cross-sectional view of the heat exchanger bracket and the air duct volute in Figure 25 at the positions of the first support positioning rib and the second support positioning rib.

[0057] Figure 28 is a schematic diagram of the heat exchanger support in Figure 2;

[0058] Figure 29 is a schematic diagram of the rear shell in Figure 2.

[0059] Reference numerals: 100, Air conditioner; 2, Housing assembly; 21, Air inlet; 22, Air outlet; 23, Third mounting hole; 24, Rear shell; 3, Heat exchanger assembly; 31, Heat exchanger bracket; 311, Second mounting hole; 312, Second support positioning rib; 32, Heat exchanger; 4, Duct assembly; 41, Duct volute; 411, Front volute; 413, Duct partition; 4131, Middle partition; 4132, Rear partition; 414, Duct; 420, First mounting hole; 421, First support positioning rib; 423, First reinforcing rib; 424, Hollow cavity; 425, Reinforcing rib plate; 426, Second reinforcing rib; 61. Second spring-loaded buckle; 611. Second connecting arm; 612. Second buckle part; 62. Second locking part; 621. Third locking surface; 622. Fourth locking surface; 623. Second mounting groove; 624. Second side wall; 625. Third locking groove; 626. Third mounting groove; 627. Third side wall; 628. Second guide slope; 629. Second mating slope; 630. Second limiting rib plate; 631. Fourth locking groove; 71. Rear partition body; 711. First spring-loaded buckle; 712. First connecting arm; 713. First buckle part; 721. First locking part; 722. 723. First slot; 724. First contact surface; 725. Second contact surface; 726. First mounting slot; 727. First sidewall; 728. First guide slope; 729. First mating slope; 730. First limiting rib; 44. Second slot; 45. Rear volute; 46. Fan assembly; 441. Impeller; 442. Motor; 443. Bushing; 444. Fan; 45. Motor cover; 451. First cover; 452. Second cover; 453. First connecting hole; 454. Second connecting hole; 455. First positioning protrusion; 456. First positioning hole; 457. First sub-cover; 458. Second sub-cover; 459. Motor cavity; 460. First limiting surface; 461. Second limiting surface; 471. First support base; 472. Second support base; 473. Mating hole; 474. Second positioning protrusion; 475. Second positioning hole; 476. First mating surface; 477. Second mating surface; 478. First sealing structure; 479. Second sealing structure; 480. Sealing rib; 481. Sealing groove; 482. Third connecting hole; 483. Fourth connecting hole; 484. Third limiting surface; 485. Fourth limiting surface; 51. First fastener; 52. Second fastener; 53. Third fastener. Detailed Implementation

[0060] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0061] An air conditioner 100 according to an embodiment of this application is described below with reference to Figures 1-29.

[0062] An air conditioner 100 according to an embodiment of this application includes: a housing assembly 2, a heat exchanger assembly 3, and an air duct assembly 4.

[0063] For example, air conditioner 100 is a split-type air conditioner 100, which is divided into an indoor unit and an outdoor unit. The indoor unit includes a casing assembly 2, a heat exchange assembly, and an air duct assembly 4.

[0064] Referring to Figures 1 and 2, an air outlet 22 is formed at the front of the housing assembly 2, and an air inlet 21 is formed at the rear of the housing assembly 2. The air outlets 22 are two that are spaced apart in the left-right direction. By making the air outlets 22 two that are spaced apart in the left-right direction, the air conditioner 100 can adjust the temperature over a wider range.

[0065] The heat exchanger assembly 3 is located inside the housing assembly 2. The air duct assembly 4 is located inside the housing assembly 2 and includes an air duct volute 41, a motor cover 45, and a fan assembly 44. The motor cover 45 is located on the top of the air duct volute 41 and has a motor cavity 459. The air duct volute 41 includes a front volute 411 and an air duct baffle 413. The front volute 411 includes two sub-volutes 4111 arranged in the left-right direction. The air duct baffle 413 is located between the two sub-volutes 4111. The air duct baffle 413 is connected to the front volute 411 and together defines two air ducts 414 arranged in the left-right direction. Two impellers 441 are located in the two air ducts 414 respectively. By including two sub-volutes 4111 in the air duct volute 41, and two fans 444 arranged in the left-right direction in the fan assembly 44, with the two impellers 441 respectively located in the two air ducts 414, the air driving capability of the air conditioner 100 can be improved, thereby enhancing the performance of the air conditioner 100. By making the front volute 411 detachably connected to the air duct partition 413, the installation and removal of the air conditioner 100 can be made more convenient for relevant personnel.

[0066] For example, the air conditioner 100 is a vertical split-type air conditioner 100, and the rotation axis of the impeller 441 extends in the vertical direction. When the air conditioner is running, the impeller 441 rotates along the rotation axis, driving air to enter the air conditioner 100 from the rear air inlet 21 of the casing assembly 2. After the airflow passes through the heat exchange assembly and exchanges heat with the heat exchange assembly, the impeller 441 drives the airflow to flow along the air duct 414 and finally flows out of the air conditioner 100 through the air outlet 22.

[0067] For example, the wind turbine 441 also includes a bushing 443.

[0068] The air duct baffle 413 includes a detachably connected middle baffle 4131 and a rear baffle 4132. The middle baffle 4131 is detachably connected to the front volute 411 and is located between the rear baffle 4132 and the front volute 411, situated between the two air ducts 414 in the left-right direction. By including the detachably connected middle baffle 4131 and rear baffle 4132 in the air duct baffle 413, and detachably connecting the middle baffle 4131 to the front volute 411, the manufacturing process of the air duct baffle 413 can be simplified by first manufacturing the smaller middle baffle 4131 and rear baffle 4132, and then assembling them into the air duct baffle 413. By setting the air duct baffle 413 as two detachable parts, the production cost or maintenance cost of the air duct baffle 413 can be reduced; in addition, the materials of the middle baffle 4131 and the rear baffle 4132 can be different, making the selection of materials and the setting of the air duct baffle 413 more flexible.

[0069] According to the air conditioner 100 of this application embodiment, since the size of the middle partition 4131 and the rear partition 4132 is reduced relative to the entire air duct partition 413, in the process of manufacturing the air duct partition 413, the smaller middle partition 4131 and the rear partition 4132 can be manufactured first, and then the middle partition 4131 and the rear partition 4132 can be assembled into the air duct partition 413. This can reduce the manufacturing difficulty of the air duct partition 413 and improve the assembly efficiency of the air duct assembly 4. Furthermore, since the air duct partition 413 is set as two detachably connected parts, the production cost or maintenance cost of the air duct partition 413 can also be reduced. In addition, the middle partition 4131 and the rear partition 4132 can be made of different materials, making the selection of materials and the setting of the air duct partition 413 more flexible.

[0070] According to some embodiments of this application, referring to FIG23, a first reinforcing rib 423 is provided at the upper end of the rear partition 4132, and the first reinforcing rib 423 is connected to the second cover 452. By providing the first reinforcing rib 423 at the upper end of the rear partition 4132, the structural strength of the upper end of the rear partition 4132 can be enhanced, and by connecting the first reinforcing rib 423 to the second cover 452, the connection strength between the upper end of the rear partition 4132 and the first cover 452 can be enhanced.

[0071] According to some embodiments of this application, referring to Figures 12-14, a first cover 451 is provided with a first connecting hole 453, and a second cover 452 is provided with a second connecting hole 454. A first fastener 51 passes through the first connecting hole 453 and the second connecting hole 454. By having the first fastener 51 pass through the first connecting hole 453 and the second connecting hole 454, the connection between the first cover 451 and the second cover 452 can be made more stable.

[0072] According to some embodiments of this application, referring to Figures 12-14, one of the first cover 451 and the second cover 452 is provided with a first positioning protrusion 455, and the other of the first cover 451 and the second cover 452 is provided with a first positioning hole 456 that mates with the first positioning protrusion 455. For example, the first cover 451 is provided with the first positioning protrusion 455, and the second cover 452 is provided with the first positioning hole 456. By providing the first positioning protrusion 455 on one of the first cover 451 and the second cover 452 and the first positioning hole 456 that mates with the first positioning protrusion 455 on the other, it is possible for relevant personnel to simplify the connection and installation of the first cover 451 and the second cover 452 by first inserting the first positioning protrusion 455 into the first positioning hole 456 to pre-position the first cover 451 and the second cover 452, and then connecting the first cover 451 and the second cover 452.

[0073] According to some embodiments of this application, referring to Figures 12-14, the first cover 451 includes two first sub-covers 457 arranged and connected in a left-right direction, and the second cover 452 includes two second sub-covers 458 arranged and connected in a left-right direction. The two second sub-covers 458 correspond to the two first sub-covers 457 respectively, and each second sub-cover 458 and its corresponding first sub-cover 457 together define a motor cavity 459. The air conditioner 100 includes two motors 442. By making the two second sub-covers 458 correspond to the two first sub-covers 457 respectively, and each second sub-cover 458 and its corresponding first sub-cover 457 together define a motor cavity 459, the two motors 442 can be respectively accommodated in the two motor cavities 459, and each pair of first sub-covers 457 and second sub-covers 458 covers and protects the corresponding motor 442.

[0074] For example, two first sub-covers 457 are connected to each other and integrally formed, and two second sub-covers 458 are connected to each other and integrally formed. By connecting the two first sub-covers 457 and the two second sub-covers 458 to each other and integrally forming, the number of parts in the air conditioner 100 can be reduced, the installation time of the motor cover 45 can be reduced, and production efficiency can be improved.

[0075] According to some embodiments of this application, referring to Figures 12-14, the lower end of the front volute 411 has a first support 471, and the lower end of the air duct baffle 413 has a second support 472. The second support 472 and the air duct baffle 413 are integrally formed. The first support 471 and the second support 472 are detachably connected and jointly define a mating hole 473. The shaft of the impeller 441 is the impeller 441 shaft. The upper end of the impeller 441 shaft is connected to the motor 442, and the lower end of the impeller 441 shaft is rotatably accommodated in the mating hole 473. By making the second support 472 integrally formed with the air duct baffle 413, the number of parts in the air conditioner 100 can be reduced, installation time can be reduced, and production efficiency can be improved. By making the first support 471 and the second support 472 detachably connected, it is more convenient for relevant personnel to maintain or repair the impeller 441. By having the first support 471 and the second support 472 jointly define the mating hole 473, and by having the lower end of the impeller 441 shaft rotatably accommodated in the mating hole 473, the first support 471 and the second support 472 can limit the impeller 441 shaft, thereby fixing the impeller 441 shaft relative to the first support 471 and the second support 472, and preventing the impeller 441 from moving inside the front volute 411, which could cause damage to the impeller 441 or other components.

[0076] According to some embodiments of this application, referring to Figures 12-14, one of the first support base 471 and the second support base 472 is provided with a second positioning protrusion 474, and the other of the first support base 471 and the second support base 472 is provided with a second positioning hole 475 that mates with the second positioning protrusion 474. For example, the first support base 471 is provided with the second positioning protrusion 474, and the second support base 472 is provided with the second positioning hole 475. By providing the second positioning protrusion 474 on one of the first support base 471 and the second support base 472 and the second positioning hole 475 that mates with the second positioning protrusion 474 on the other, it is possible for relevant personnel to first pre-position the first support base 471 and the second support base 472 by inserting the second positioning protrusion 474 into the second positioning hole 475 when connecting and installing the first support base 471 and the second support base 472, and then connecting the first support base 471 and the second support base 472. This makes the connection and installation of the first support base 471 and the second support base 472 simpler for relevant personnel.

[0077] According to some embodiments of this application, referring to Figures 12-14, the first support 471 has a first mating surface 476, and the second support 472 has a second mating surface 477 that abuts against the first mating surface 476. A first sealing structure 478 is provided on one of the first mating surfaces 476 and 477, and a second sealing structure 479 that mates with the first sealing structure 478 is provided on the other of the first mating surfaces 476 and 477. For example, the first sealing structure 478 is provided on the first mating surface 476, and the second sealing structure 479 is provided on the second mating surface 477. By providing a first sealing structure 478 on one of the first mating surfaces 476 and 477 and a second sealing structure 479 that mates with the first sealing structure 478 on the other, air leakage between the first mating surface 476 and the second mating surface 477 can be reduced, improving the performance of the air conditioner 100.

[0078] According to some embodiments of this application, referring to Figures 12-14, the first sealing structure 478 is a sealing rib 480, and the second sealing structure 479 is a sealing groove 481, with the sealing rib 480 accommodated within the sealing groove 481. By making the first sealing structure 478 a sealing rib 480 and the second sealing structure 479 a sealing groove 481, and by accommodating the sealing rib 480 within the sealing groove 481, airflow is less likely to leak through the gap between the sealing rib 480 and the sealing groove 481, thus improving the sealing performance of the first sealing structure 478 and the second sealing structure 479.

[0079] For example, a first sealing structure 478 is provided on the second mating surface 477. The first sealing structure 478 is a sealing rib 480 that extends in the left-right direction. A second sealing structure 479 is provided on the first mating surface 476. The second sealing structure 479 is a sealing groove 481 that extends in the left-right direction. By making both the sealing rib 480 and the sealing groove 481 extend in the left-right direction, the first mating surface 476 and the second mating surface 477 can be sealed by the first sealing structure 478 and the second sealing structure 479 in both the left and right directions, thus improving the sealing performance of the first sealing structure 478 and the second sealing structure 479.

[0080] According to some embodiments of this application, referring to Figures 12-14, a third connecting hole 482 is provided on the first support base 471, and a fourth connecting hole 483 is provided on the second support base 472. A second fastener 52 passes through the third connecting hole 482 and the fourth connecting hole 483. The third connecting hole 482 is located on the first mating surface 476 and below the first sealing structure 478, and the fourth connecting hole 483 is located on the second mating surface 477 and below the second sealing structure 479. By providing a third connecting hole 482 on the first support base 471, a fourth connecting hole 483 on the second support base 472, and having the second fastener 52 pass through the third connecting hole 482 and the fourth connecting hole 483, the connection between the first support base 471 and the second support base 472 can be made more secure. By placing the third connecting hole 482 on the lower side of the first sealing structure 478 and the fourth connecting hole 483 on the lower side of the second sealing structure 479, the sealing effect can be avoided by preventing the gap between the first sealing structure 478 and the second sealing structure 479.

[0081] According to some embodiments of this application, referring to Figures 13-15, the air duct baffle 413 includes a detachably connected middle baffle 4131 and a rear baffle 4132. The middle baffle 4131 is detachably connected to the front volute 411 and is connected between the rear baffle 4132 and the front volute 411. In the left-right direction, the middle baffle 4131 is located between two air ducts 414 and is located below the motor cover 45. A second cover 452 is disposed on the rear baffle 4132 and is integrally formed with the rear baffle 4132. By setting the air duct baffle 413 as a detachable middle baffle 4131 and rear baffle 4132, the production cost or maintenance cost of the air duct baffle 413 can be reduced. In addition, the materials of the middle baffle 4131 and the rear baffle 4132 can be different, making the material selection and setting of the air duct baffle 413 more flexible.

[0082] According to some embodiments of this application, referring to Figures 20 and 21, the cross-section of the partition 4131 has a consistent shape in the vertical direction. By making the cross-section of the partition 4131 consistent in the vertical direction, the cross-sectional areas of the left and right air ducts 414 can be made consistent in the vertical direction, so that the air volume of the air conditioner 100 in the vertical direction is relatively average.

[0083] According to some embodiments of this application, referring to FIG21, a hollow cavity 424 is formed within the partition plate 4131, and a reinforcing rib 425 is provided within the hollow cavity 424, with the reinforcing rib 425 connected to the inner wall of the hollow cavity 424. By forming a hollow cavity 424 within the partition plate 4131, the weight of the partition plate 4131 can be reduced, thereby reducing the overall weight of the machine. By providing a reinforcing rib 425 within the hollow cavity 424 of the partition plate 4131, with the reinforcing rib 425 connected to the inner wall of the hollow cavity 424, the structural strength of the partition plate 4131 can be enhanced while reducing its weight.

[0084] According to some embodiments of this application, referring to FIG21, there are multiple reinforcing ribs 425 arranged at intervals along the front-back direction, and each reinforcing rib 425 is connected to the left and right side walls of the hollow cavity 424 respectively. By arranging multiple reinforcing ribs 425 at intervals along the front-back direction, the partition plate 4131 can be reinforced by the reinforcing ribs 425 in both the front-back direction, thus improving the effect of the reinforcing ribs 425 in increasing the structural strength of the partition plate 4131; by connecting each reinforcing rib 425 to the left and right side walls of the hollow cavity 424 respectively, the partition plate 4131 can be prevented from being squeezed, deformed and damaged in the left-right direction.

[0085] According to some embodiments of this application, referring to FIG6, the middle partition 4131 is snap-fitted to the front volute 411. By snap-fitting the middle partition 4131 to the front volute 411, compared to connecting the middle partition 4131 to the front volute 411 with fasteners, the middle partition 4131 and the front volute 411 are more easily assembled and disassembled, and there is no need to drill holes in the middle partition 4131 or the front volute 411.

[0086] According to some embodiments of this application, referring to FIG9, the middle partition 4131 and the rear partition 4132 are snap-fitted together. By snap-fitting the middle partition 4131 and the rear partition 4132 together, compared to connecting the middle partition 4131 and the rear partition 4132 with fasteners, the middle partition 4131 and the rear partition 4132 are more convenient to assemble and disassemble, and there is no need to drill holes in the middle partition 4131 or the rear partition 4132.

[0087] According to some embodiments of this application, referring to Figures 9-11, the left and right ends of the rear partition 4132 are respectively provided with first spring-loaded buckles 711, and the left and right ends of the middle partition 4131 are respectively provided with first locking portions 721. The first spring-loaded buckles 711 located at the same end in the left and right directions engage with the first locking portions 721. By engaging the first spring-loaded buckles 711 located at the same end in the left and right directions with the first locking portions 721, the rear partition 4132 and the middle partition 4131 can be relatively fixed, making the connection between the rear partition 4132 and the middle partition 4131 stable.

[0088] According to some embodiments of this application, referring to Figures 15-19, the lower end of the front volute 411 has a first support seat 471, and the lower end of the rear partition 4132 is provided with a second support seat 472. The second support seat 472 and the rear partition 4132 are integrally formed. The first support seat 471 and the second support seat 472 are detachably connected and jointly define a mating hole 473. The rotating shaft of the impeller 441 is the impeller 441 rotating shaft. The upper end of the impeller 441 rotating shaft is connected to the motor 442, and the lower end of the impeller 441 rotating shaft is rotatably accommodated in the mating hole 473. In the vertical direction, the middle partition 4131 is located between the second cover 452 and the second support seat 472. By integrally molding the second support base 472 with the air duct baffle 413, the number of parts in the air conditioner 100 can be reduced, installation time can be shortened, and production efficiency can be improved. By making the first support base 471 and the second support base 472 detachably connected, maintenance or repair of the impeller 441 can be made more convenient for relevant personnel. By having the first support base 471 and the second support base 472 jointly define the mating hole 473, and by allowing the lower end of the impeller 441 shaft to be rotatably accommodated in the mating hole 473, the first support base 471 and the second support base 472 can limit the movement of the impeller 441 shaft, fixing the impeller 441 shaft relative to the first support base 471 and the second support base 472, preventing the impeller 441 from moving inside the front volute 411 and causing damage to the impeller 441 or other components. By positioning the partition 4131 between the second cover 452 and the second support 472, the partition 4131 can be divided into two air ducts 414, allowing the two impellers 441 to be accommodated in the two air ducts 414 respectively.

[0089] According to some embodiments of this application, referring to Figures 6-8, the upper end face of the partition plate 4131 abuts against at least one of the first cover 451 and the second cover 452, and the lower end face of the partition plate 4131 abuts against at least one of the first support base 471 and the second support base 472.

[0090] The upper end face of the partition 4131 abuts against at least one of the first cover 451 and the second cover 452, which may include the following situations: for example, the upper end face of the partition 4131 abuts against the first cover 451; for example, the upper end face of the partition 4131 abuts against the second cover 452; for example, the upper end face of the partition 4131 abuts against both the first cover 451 and the second cover 452.

[0091] By abutting the upper end face of the partition plate 4131 with at least one of the first cover 451 and the second cover 452, at least one of the first cover 451 or the second cover 452 can limit the partition plate 4131 in the upward direction, preventing the partition plate 4131 from moving upward. This also facilitates the positioning of the partition plate 4131 during assembly. By abutting the lower end face of the partition plate 4131 with at least one of the first support base 471 and the second support base 472, at least one of the first support base 471 or the second support base 472 can limit the partition plate 4131 in the downward direction, preventing the partition plate 4131 from moving downward. This also facilitates the positioning of the partition plate 4131 during assembly.

[0092] According to some embodiments of this application, referring to Figures 6-8, the bottom of the first cover 451 has a first limiting surface 460, the bottom of the second cover 452 has a second limiting surface 461, the top of the first support 471 has a third limiting surface 484, the top of the second support 472 has a fourth limiting surface 485, the upper end surface of the partition plate 4131 abuts against both the first limiting surface 460 and the second limiting surface 461, and the lower end surface of the partition plate 4131 abuts against both the third limiting surface 484 and the fourth limiting surface 485. By making the upper end face of the partition plate 4131 abut against both the first cover 451 and the second cover 452, the first cover 451 or the second cover 452 can limit the partition plate 4131 in the upward direction, preventing the partition plate 4131 from moving upward. This also facilitates the positioning of the partition plate 4131 during assembly, making the limiting effect of the first cover 451 and the second cover 452 on the partition plate 4131 more sufficient. By having the lower end face of the partition plate 4131 abut against the third limiting surface 484 and the fourth limiting surface 485, both the third limiting surface 484 and the fourth limiting surface 485 can limit the partition plate 4131 in the downward direction, preventing the partition plate 4131 from moving downward. This also facilitates the positioning of the partition plate 4131 during assembly, making the limiting of the partition plate 4131 by the third limiting surface 484 and the fourth limiting surface 485 more sufficient.

[0093] According to some embodiments of this application, referring to Figures 6-8, the first limiting surface 460 and the second limiting surface 461 are aligned and coplanar in the front-back direction, and the third limiting surface 484 and the fourth limiting surface 485 are aligned and coplanar in the front-back direction. By aligning the first limiting surface 460 and the second limiting surface 461 in the front-back direction, air leakage caused by airflow leaving the air duct 414 through the gap between the first limiting surface 460 and the second limiting surface 461 can be reduced. By making the first limiting surface 460 and the second limiting surface 461 coplanar, the upper end surface of the partition plate 4131 can simultaneously abut against both the first limiting surface 460 and the second limiting surface 461, making the first cover 451 and the second cover 452 more sufficient in limiting the partition plate 4131 in the upward direction. By aligning the third limiting surface 484 and the fourth limiting surface 485 in the front-to-back direction, air leakage caused by airflow leaving the air duct 414 through the gap between the third limiting surface 484 and the fourth limiting surface 485 can be reduced. By making the third limiting surface 484 and the fourth limiting surface 485 coplanar, the lower end surface of the partition plate 4131 can simultaneously abut against both the third limiting surface 484 and the fourth limiting surface 485, thereby allowing the first support base 471 and the second support base 472 to more fully limit the partition plate 4131 in the downward direction.

[0094] According to some embodiments of this application, referring to Figures 9-11, the left and right ends of the rear partition 4132 are respectively provided with first spring clips 711, and the left and right ends of the middle partition 4131 are respectively provided with first engaging portions 721. The first engaging portions 721 are elongated strips extending in the vertical direction. Multiple first spring clips 711 located at the same end in the left and right directions are arranged in the vertical direction and engage with the corresponding first engaging portions 721. By engaging the first spring clips 711 on the rear partition 4132 with the first engaging portions 721 on the middle partition 4131, the rear partition 4132 and the middle partition 4131 can be relatively fixed, making the connection between the rear partition 4132 and the middle partition 4131 stable. By making the first snap-fit ​​portion 721 into a long strip extending in the vertical direction, and having multiple first spring clips 711 located at the same end in the left and right directions arranged in the vertical direction, the rear partition 4132 and the middle partition 4131 can be snapped together in the vertical direction through the first spring clips 711 and the first snap-fit ​​portion 721, thus making the connection between the rear partition 4132 and the middle partition 4131 stable.

[0095] According to some embodiments of this application, referring to Figures 9-11, the first snap fastener 711 includes a first connecting arm 712 and a first snap part 713. The first snap part 713 is connected to the rear partition 4132 via the first connecting arm 712. The first snap part 713 has a first engaging surface 723, and the first engaging surface 721 has a second engaging surface 724. The first engaging surface 723 is located in front of the second engaging surface 724, and the first engaging surface 723 abuts against the second engaging surface 724 in the front-rear direction. By including the first connecting arm 712 in the first snap fastener 711 and connecting the first snap part 713 to the rear partition 4132 via the first connecting arm 712, the connection between the first snap fastener 711 and the rear partition 4132 can be made more stable. For example, the first connecting arm 712 can be integrally formed with the rear partition 4132. By making the first engaging surface 723 of the first buckle 713 abut against the second engaging surface 724 of the first engaging surface 721 in the front-back direction, the first buckle 713 and the first engaging surface 721 can be limited in the front-back direction, so that the rear partition 4132 and the middle partition 4131 are relatively fixed, preventing the first engaging surface 721 from moving forward and disengaging from the first snap fastener 711, and avoiding the middle partition 4131 or other components from being damaged due to relative movement between the middle partition 4131 and the rear partition 4132.

[0096] According to some embodiments of this application, referring to Figures 9-11, the rear partition 4132 includes a rear partition body 71 and a rear volute tongue 43. The rear volute tongue 43 is connected to the left and right sides of the rear partition body 71. A first snap fastener 711 is disposed at the left and right ends of the rear partition body 71 and is located between the two rear volute tongues 43. A first slot 722 is defined between the first snap fastener 711 and the rear volute tongue 43 located at the same end in the left-right direction. The length portion of the first engaging portion 721 is located within the first slot 722. By making the length portion of the first engaging portion 721 located within the first slot 722, the first slot 722 can limit the first engaging portion 721 in the front-back direction, so that the rear partition 4132 and the middle partition 4131 are relatively fixed, avoiding the middle partition 4131 or other components from being damaged due to relative movement between the middle partition 4131 and the rear partition 4132.

[0097] According to some embodiments of this application, referring to Figures 9-11, the rear end of the partition 4131 is provided with a first mounting groove 725 extending in the vertical direction. At least a portion of the first spring buckle 711 is located within the first mounting groove 725. The first mounting groove 725 has first sidewalls 726 arranged opposite each other in the left-right direction, and a first snap-fit ​​portion 721 is provided at the free end of the first sidewall 726. By positioning at least a portion of the first spring buckle 711 within the first mounting groove 725, the first sidewall 726 of the partition 4131 can limit the first spring buckle 711 in the left-right direction, thereby limiting the partition 4131 in the left-right direction to limit the rear partition 4132, preventing the rear partition 4132 from moving relative to the partition 4131 in the left-right direction and causing damage to the partition 4131 or other components.

[0098] According to some embodiments of this application, referring to Figures 9-11, a first guide slope 727 is formed on the side of the first snap-fit ​​portion 721 facing the first mounting groove 725. The first guide slope 727 is used to guide the installation of the first snap-fit ​​711. In the direction from back to front, the distance between the first guide slopes 727 of the two first snap-fit ​​portions 721 in the left-right direction gradually increases.

[0099] By forming a first guide slope 727 on the side of the first snap-fit ​​portion 721 facing the first mounting groove 725, and by gradually increasing the distance between the first guide slopes 727 of the two first snap-fit ​​portions 721 in the left-right direction from back to front, the first guide slope 727 can play a guiding role in the process of the first snap 711 being installed into the first snap-fit ​​portion 721.

[0100] For example, the first spring clip 711 is provided with a first mating inclined surface 728. When the personnel install the first spring clip 711 onto the first latching part 721, the first mating inclined surface 728 of the first spring clip 711 can contact the first guide inclined surface 727, the first latching part 721 gradually moves backward, and the two first latching parts 721 gradually open to the left and right until a part of the first latching part 721 can be inserted into the first latching groove 722, the first latch hook enters the first mounting groove 725, and the middle partition 4131 and the rear partition 4132 are installed in place. At this time, the first latching surface 723 and the second latching surface 724 abut and limit each other in the front-back direction, and the first side wall 726 limits the first spring clip 711 in the left and right direction, so that the middle partition 4131 and the rear partition 4132 are fixed and limited to each other in the front-back and left-back directions, preventing the middle partition 4131 or other components from being damaged due to relative movement between the middle partition 4131 and the rear partition 4132.

[0101] According to some embodiments of this application, referring to Figures 9-11, the front end of the rear partition 4132 is provided with a first limiting rib 729. The first limiting rib 729 is accommodated in the first mounting groove 725 and is located between the two first engaging portions 721. By accommodating the first limiting rib 729 in the first mounting groove 725 and positioning it between the two first engaging portions 721, the first mounting groove 725 can limit the first limiting rib 729, thereby limiting the middle partition 4131 to the rear partition 4132, preventing relative movement between the middle partition 4131 and the rear partition 4132 from causing damage to the middle partition 4131 or other components.

[0102] For example, the rear partition 4132 includes a plurality of first limiting ribs 729, which are arranged at intervals in the vertical direction. By arranging the plurality of first limiting ribs 729 at intervals in the vertical direction, and with the plurality of first limiting ribs 729 being accommodated in the first mounting groove 725 and located between the two first snap-fit ​​portions 721, the mutual limiting effect between the middle partition 4131 and the rear partition 4132 is more sufficient.

[0103] According to some embodiments of this application, referring to Figures 9-11, the rear partition 4132 includes a rear partition body 71 and a rear volute tongue 43. The rear volute tongue 43 is connected to the left and right sides of the rear partition body 71. A first spring buckle 711 and a first limiting rib 729 are both disposed on the rear partition body 71, and the first spring buckle 711 and the first limiting rib 729 are both located between the two rear volute tongues 43. The length portion of the first engaging portion 721 is located within the second engaging groove 730 defined by the rear volute tongue 43 and the first limiting rib 729. By positioning the length portion of the first engaging portion 721 within the second engaging groove 730, the second engaging groove 730 can limit the first engaging portion 721 in the front-rear direction, thereby fixing the rear partition 4132 and the middle partition 4131 relatively, preventing the middle partition 4131 or other components from being damaged due to relative movement between the middle partition 4131 and the rear partition 4132.

[0104] According to some embodiments of this application, the rear partition 4132 has a Y-shaped or V-shaped cross-section. By making the cross-section of the rear partition 4132 Y-shaped or V-shaped, there can be two connection points between the rear partition 4132 and the middle partition 4131, making the connection between the rear partition 4132 and the middle partition 4131 more stable.

[0105] For example, the partition can be made of ABS.

[0106] According to some embodiments of this application, referring to Figures 6-8, the left and right ends of the front volute 411 are respectively provided with second spring-loaded latches 61, and the left and right ends of the middle partition 4131 are respectively provided with second locking portions 62. The second locking portions 62 are elongated strips extending in the vertical direction. Multiple second spring-loaded latches 61 located at the same end in the left and right directions are arranged in the vertical direction and engage with the corresponding second locking portions 62. By engaging the first spring-loaded latches 711 on the rear partition 4132 with the first locking portions 721 on the middle partition 4131, the rear partition 4132 and the middle partition 4131 can be relatively fixed, resulting in a better connection between the rear partition 4132 and the middle partition 4131. By making the first snap-fit ​​portion 721 into a long strip extending in the vertical direction, and having multiple first spring clips 711 located at the same end in the left and right directions arranged in the vertical direction, the rear partition 4132 and the middle partition 4131 can be snapped together in the vertical direction through the first spring clips 711 and the first snap-fit ​​portion 721, thus making the connection between the rear partition 4132 and the middle partition 4131 stable.

[0107] According to some embodiments of this application, referring to Figures 6-8, the second snap-fit ​​portion 62 is an elongated strip extending in the vertical direction, and multiple second spring clips 61 located at the same end in the left and right directions are arranged in the vertical direction and engage with the corresponding second snap-fit ​​portion 62. By making the second snap-fit ​​portion 62 an elongated strip extending in the vertical direction, and multiple second spring clips 61 located at the same end in the left and right directions are arranged in the vertical direction, the front volute 411 and the middle partition 4131 can be snapped together in the vertical direction through the second spring clips 61 and the second snap-fit ​​portion 62, thus stabilizing the connection between the front volute 411 and the middle partition 4131.

[0108] According to some embodiments of this application, referring to Figures 6-8, the second snap fastener 61 has a second connecting arm 611 and a second snap portion 612. The second snap portion 612 is connected to the front volute 411 via the second connecting arm 611. The second snap portion 612 has a third engaging surface 621, and the second engaging portion 62 has a fourth engaging surface 622. The third engaging surface 621 is located behind the fourth engaging surface 622, and the third engaging surface 621 abuts against the fourth engaging surface 622 in the front-rear direction. By including the second connecting arm 611 in the second snap fastener 61, and connecting the second snap portion 612 to the rear partition 4132 via the second connecting arm 611, the connection between the second snap fastener 61 and the front volute 411 can be made more stable. For example, the second connecting arm 611 and the rear partition 4132 are integrally formed. By making the third engaging surface 621 of the second latching part 612 abut against the fourth engaging surface 622 of the second engaging part 62 in the front-rear direction, the second latching part 612 and the second engaging part 62 can be limited in the front-rear direction, so that the front volute 411 and the middle partition 4131 are relatively fixed, preventing the second engaging part 62 from moving forward and disengaging from the second spring latch 61, and avoiding the middle partition 4131 or other components from being damaged due to relative movement between the middle partition 4131 and the front volute 411.

[0109] According to some embodiments of this application, referring to Figures 6-8, a second mounting groove 623 extending in the vertical direction is formed on the rear side of the front volute 411. A second spring-loaded buckle 61 is disposed in the second mounting groove 623. The second mounting groove 623 has second sidewalls 624 arranged opposite each other in the left-right direction. A third slot 625 is defined between the second spring-loaded buckle 61 and the second sidewall 624 located at the same end in the left-right direction. The length portion of the second engaging portion 62 is located in the third slot 625. By placing the length portion of the second engaging portion 62 in the third slot 625, the third slot 625 can limit the second engaging portion 62 in the front-rear direction, thereby fixing the front volute 411 and the middle partition 4131 relatively, and preventing the middle partition 4131 or other components from being damaged due to relative movement between the middle partition 4131 and the front volute 411.

[0110] According to some embodiments of this application, referring to Figures 6-8, the front end of the partition plate 4131 is provided with a third mounting groove 626 extending in the vertical direction. At least a portion of the second spring buckle 61 is located within the third mounting groove 626. The third mounting groove 626 has third sidewalls 627 arranged opposite each other in the left-right direction, and a second snap-fit ​​portion 62 is provided at the free end of the third sidewall 627. By positioning at least a portion of the second spring buckle 61 within the third mounting groove 626, the third sidewall 627 of the partition plate 4131 can limit the second spring buckle 61 in the left-right direction, thereby limiting the rear partition plate 4132 in the left-right direction and preventing the rear partition plate 4132 from moving relative to the partition plate 4131 in the left-right direction, which could cause damage to the partition plate 4131 or other components.

[0111] According to some embodiments of this application, referring to Figures 6-8, a second guide slope 628 is formed on the side of the second latching portion 62 facing the third mounting groove 626. The second guide slope 628 is used to guide the installation of the second spring clip 61. In the direction from front to back, the distance between the second guide slopes 628 of the two second latching portions 62 gradually increases. By forming a second guide slope 628 on the side of the second latching portion 62 facing the third mounting groove 626, and by gradually increasing the distance between the second guide slopes 628 of the two second latching portions 62 in the left-right direction in the direction from back to front, the second guide slope 628 can play a guiding role in the process of installing the second spring clip 61 into the second latching portion 62.

[0112] For example, the second spring clip 61 is provided with a second mating inclined surface 629. When the personnel install the second spring clip 61 onto the second locking part 62, the second mating inclined surface 629 of the second spring clip 61 can contact the second guide inclined surface 628, and the second locking part 62 gradually moves backward. The two second locking parts 62 gradually open to the left and right until a part of the second locking part 62 can extend into the third locking groove 625. The second spring clip 61 enters the third mounting groove 626, and the middle partition plate 4131 and the front volute 411 are installed in place. At this time, the third locking surface 621 and the fourth locking surface 622 abut and limit each other in the front-back direction, and the second side wall 624 limits the second spring clip 61 in the left and right direction, so that the middle partition plate 4131 and the front volute 411 are fixed and limited in the front-back and left-back directions, preventing the middle partition plate 4131 or other components from being damaged due to relative movement between the middle partition plate 4131 and the front volute 411.

[0113] According to some embodiments of this application, referring to Figures 6-8, a second limiting rib 630 is provided on the rear side of the front volute 411. The second limiting rib 630 is accommodated in a third mounting groove 626 and located between two second engaging portions 62. By accommodating the second limiting rib 630 in the third mounting groove 626 and positioning it between the two second engaging portions 62, the third mounting groove 626 can limit the second limiting rib 630, thereby limiting the middle partition 4131 against the front volute 411 and preventing relative movement between the middle partition 4131 and the front volute 411 from causing damage to the middle partition 4131 or other components.

[0114] For example, the second limiting rib plate 630 also includes two positioning rib plates. When the front volute 411 and the middle partition plate 4131 are installed in place, the positioning rib plates abut against the second snap-fit ​​part 62 in the front-rear direction to remind relevant personnel that the front volute 411 and the middle partition plate 4131 are installed in place, making the installation between the front volute 411 and the second limiting rib plate 630 simpler.

[0115] According to some embodiments of this application, referring to Figures 6-8, a second mounting groove 623 extending vertically is formed on the rear side of the front volute 411. A second spring-loaded buckle 61 and a second limiting rib 630 are both disposed within the second mounting groove 623. The second mounting groove 623 has second sidewalls 624 arranged opposite each other in the left-right direction. A fourth locking groove 631 is defined between the second limiting rib 630 and the second sidewall 624. A portion of the second engaging portion 62 in the longitudinal direction is located within the fourth locking groove 631. By positioning the portion of the second engaging portion 62 in the longitudinal direction within the fourth locking groove 631, the fourth locking groove 631 can limit the second engaging portion 62 in the front-rear direction, thereby fixing the front volute 411 and the middle partition 4131 relatively, preventing damage to the middle partition 4131 or other components caused by relative movement between the middle partition 4131 and the front volute 411.

[0116] According to some embodiments of this application, referring to Figures 2-4, the heat exchanger assembly 3 includes a heat exchanger bracket 31 and a heat exchanger 32. The heat exchanger 32 is mounted on the heat exchanger bracket 31, the duct casing 41 is connected to the heat exchanger bracket 31, and the heat exchanger bracket 31 is connected to the housing assembly 2. By including the heat exchanger bracket 31 in the heat exchanger assembly 3 and mounting the heat exchanger 32 on the heat exchanger bracket 31, the heat exchanger 32 can be fixed relative to the heat exchanger bracket 31, preventing the heat exchanger 32 from moving around within the air conditioner 100, which could cause damage to the heat exchanger 32 or noise. By connecting the duct casing 41 to the heat exchanger bracket 31, and connecting the heat exchanger bracket 31 to the housing assembly 2, the duct casing 41 and the heat exchanger bracket 31 can be fixed relative to the housing assembly 2, preventing the duct casing 41 from moving around within the air conditioner 100, which could cause damage to the duct casing 41 or noise.

[0117] According to some embodiments of this application, referring to Figures 25-29, a plurality of first mounting holes 420 are formed on the front volute 411 at intervals in the vertical direction, a plurality of second mounting holes 311 are formed on the heat exchanger bracket 31 at intervals in the vertical direction, and a plurality of third mounting holes 23 are formed on the housing assembly 2 at intervals in the vertical direction. A third fastener 53 passes through the first mounting holes 420, the second mounting holes 311, and the third mounting holes 23 to install the heat exchanger assembly 3 and the air duct assembly 4 onto the housing assembly 2. By having the fastener pass through the first mounting holes 420, the second mounting holes 311, and the third mounting holes 23, the fastener can install the heat exchanger assembly 3 and the air duct assembly 4 onto the housing assembly 2, making the connection between the heat exchanger assembly 3, the air duct assembly 4, and the housing assembly 2 more stable, thereby preventing the air duct volute 41 or the heat exchanger bracket 31 from moving around inside the air conditioner 100, which could cause damage to the air duct volute 41 or the heat exchanger bracket 31 or cause noise.

[0118] For example, the third fastener 53 can be a screw.

[0119] For example, referring to FIG12, the housing assembly 2 includes a rear cover 24, on which a third mounting hole 23 is provided.

[0120] For example, referring to Figure 5, six first mounting holes 420 are formed on the duct volute 41, wherein each duct volute 41 has three first mounting holes 420 spaced apart in the vertical direction, and the first mounting holes 420 on two duct volutes 41 are arranged symmetrically in the left and right directions. Correspondingly, six second mounting holes 311 are formed on the heat exchanger bracket 31, and six third mounting holes 23 are formed on the housing assembly 2. The positions of the six first mounting holes 420, the six second mounting holes 311, and the six third mounting holes 23 correspond one-to-one.

[0121] According to some embodiments of this application, referring to Figures 25-29, a first supporting and positioning rib 421 is formed on the front volute 411, and a second supporting and positioning rib 312 is formed on the heat exchanger bracket 31. The first supporting and positioning rib 421 and the second supporting and positioning rib 312 abut against each other in the vertical direction. By making the first supporting and positioning rib 421 and the second supporting and positioning rib 312 abut against each other in the vertical direction, the duct volute 41 can be positioned relative to the heat exchanger bracket 31, and the heat exchanger bracket 31 can also provide upward support for the duct volute 41, preventing the duct volute 41 from falling off.

[0122] When relevant personnel perform repairs or maintenance on the air conditioner 100 and need to disassemble it, they will remove the fasteners that pass through the first mounting hole 420, the second mounting hole 311, and the third mounting hole 23. At this time, the air duct volute 41 will be separated from the heat exchanger bracket 31 and relatively fixed. However, since the second positioning rib plate provides upward support to the first positioning rib plate, the heat exchanger bracket 31 provides upward support to the air duct volute 41, which can prevent the air duct volute 41 from falling downward and causing injury to nearby people or objects.

[0123] When relevant personnel need to assemble the air conditioner 100, they hang the air duct volute 41 on the heat exchanger bracket 31. At this time, the first support positioning rib plate 421 and the second support positioning rib plate 312 abut against each other in the vertical direction, which can play a role in pre-positioning and remind the relevant personnel that the air duct volute 41 is correctly positioned relative to the heat exchanger bracket 31. After that, the relevant personnel install fasteners to fix the air duct volute 41 relative to the heat exchanger bracket 31.

[0124] According to some embodiments of this application, referring to Figures 25-29, a second reinforcing rib 426 is provided at the lower end of the rear partition 4132, and the second reinforcing rib 426 is connected to the second support base 472. By providing the second reinforcing rib 426 at the upper end of the rear partition 4132, the structural strength of the upper end of the rear partition 4132 can be enhanced, and by connecting the first reinforcing rib 423 and the second cover 452, the connection strength between the upper end of the rear partition 4132 and the first cover 451 can be enhanced.

[0125] An air conditioner 100 according to some specific embodiments of the present application is described below with reference to Figures 1-29.

[0126] In this embodiment, the air conditioner 100 is a split-type air conditioner 100, which includes an indoor unit and an outdoor unit, wherein the indoor unit is a vertical indoor unit. The air conditioner 100 includes: a casing assembly 2, a heat exchange assembly, and an air duct assembly 4.

[0127] An air outlet 22 is formed at the front of the housing assembly 2, and an air inlet 21 is formed at the rear of the housing assembly 2. The air outlets 22 are two that are spaced apart in the left-right direction.

[0128] The heat exchanger assembly 3 is housed within the casing assembly 2. The heat exchanger assembly 3 includes a heat exchanger bracket 31 and a heat exchanger 32. The heat exchanger 32 is mounted on the heat exchanger bracket 31. The air duct casing 41 is connected to the heat exchanger bracket 31, and the heat exchanger bracket 31 is connected to the casing assembly 2. The front air duct casing 411 has a plurality of first mounting holes 420 spaced apart in the vertical direction. The heat exchanger bracket 31 has a plurality of second mounting holes 311 spaced apart in the vertical direction. The casing assembly 2 has a plurality of third mounting holes 23 spaced apart in the vertical direction. A third fastener 53 passes through the first mounting holes 420, the second mounting holes 311, and the third mounting holes 23 to mount the heat exchanger assembly 3 and the air duct assembly 4 to the casing assembly 2. A first support and positioning rib 421 is formed on the front volute 411, and a second support and positioning rib 312 is formed on the heat exchanger bracket 31. The first support and positioning rib 421 and the second support and positioning rib 312 abut against each other in the vertical direction.

[0129] The air duct assembly 4 is located inside the housing assembly 2 and includes an air duct volute 41, a motor cover 45, and a fan assembly 44. The motor cover 45 is located on top of the air duct volute 41 and has a motor cavity 459. The air duct volute 41 includes a front volute 411 and an air duct partition 413. The air duct partition 413 is connected to the front volute 411 and together defines two air ducts 414 arranged in the left-right direction. The air duct partition 413 is located between the two air ducts 414. The two air outlets 22 are respectively connected to the two air ducts 414. The fan assembly 44 includes two fans 444 arranged in the left-right direction. The fans 444 include impellers 441 and motors 442. The motors 442 are connected to the impellers 441. The two impellers 441 are respectively located in the two air ducts 414. The motors 442 are located in the motor cavity 459. The front volute 411 and the air duct partition 413 are detachably connected.

[0130] The motor cover 45 includes a first cover 451 and a second cover 452 that are detachably connected. The first cover 451 is disposed on the front volute 411 and integrally formed with the front volute 411, and the second cover 452 is disposed on the air duct baffle 413 and integrally formed with the air duct baffle 413. According to some embodiments of this application, the first cover 451 is provided with a first connecting hole 453, and the second cover 452 is provided with a second connecting hole 454. A first fastener 51 passes through the first connecting hole 453 and the second connecting hole 454. One of the first cover 451 and the second cover 452 is provided with a first positioning protrusion 455, and the other is provided with a first positioning hole 456 that mates with the first positioning protrusion 455. The first cover 451 includes two first sub-covers 457 arranged and connected in the left-right direction, and the second cover 452 includes two second sub-covers 458 arranged and connected in the left-right direction. The two second sub-covers 458 correspond to the two first sub-covers 457 respectively, and each second sub-cover 458 and the corresponding first sub-cover 457 together define the motor cavity 459.

[0131] The lower end of the front volute 411 has a first support seat 471, and the lower end of the air duct baffle 413 has a second support seat 472. The second support seat 472 and the air duct baffle 413 are integrally formed. The first support seat 471 and the second support seat 472 are detachably connected and together define a mating hole 473. The shaft of the impeller 441 is the impeller 441 shaft. The upper end of the impeller 441 shaft is connected to the motor 442, and the lower end of the impeller 441 shaft is rotatably accommodated in the mating hole 473. The first support 471 has a first mating surface 476, and the second support 472 has a second mating surface 477 that abuts against the first mating surface 476. A first sealing structure 478 is provided on the second mating surface 477. The first sealing structure 478 is a sealing rib 480 that extends in the left-right direction. A second sealing structure 479 is provided on the first mating surface 476. The second sealing structure 479 is a sealing groove 481 in which the sealing rib 480 is accommodated. The sealing groove 481 extends in the left-right direction.

[0132] The duct partition 413 includes a detachably connected middle partition 4131 and a rear partition 4132. The bottom of the first cover 451 has a first limiting surface 460, the bottom of the second cover 452 has a second limiting surface 461, the top of the first support 471 has a third limiting surface 484, and the top of the second support 472 has a fourth limiting surface 485. The upper end surface of the middle partition 4131 abuts against both the first limiting surface 460 and the second limiting surface 461, and the lower end surface of the middle partition 4131 abuts against both the third limiting surface 484 and the fourth limiting surface 485. The first limiting surface 460 and the second limiting surface 461 are aligned in the front-to-back direction and are coplanar. The third limiting surface 484 and the fourth limiting surface 485 are aligned in the front-to-back direction and are coplanar. The cross-section of the partition plate 4131 is consistent in the vertical direction. A hollow cavity 424 is formed within the partition plate 4131, and reinforcing ribs 425 are provided within the hollow cavity 424. The reinforcing ribs 425 are connected to the inner wall of the hollow cavity 424, and multiple reinforcing ribs 425 are arranged at intervals along the front-rear direction. Each reinforcing rib 425 is connected to the left and right side walls of the hollow cavity 424 respectively. The partition plate 4131 is snap-fitted to the front volute 411 and the rear partition plate 4132.

[0133] The front volute 411 has second spring clips 61 at both its left and right ends, and the middle partition 4131 has second locking parts 62 at both its left and right ends. The second locking parts 62 are elongated strips extending vertically. Multiple second spring clips 61 located at the same end in the left and right directions are arranged vertically and engage with the corresponding second locking parts 62. The middle partition 4131 is detachably connected to the front volute 411. The middle partition 4131 connects to the rear partition 4132 and the front volute 411 and is located between the two air ducts 414 in the left and right directions. The middle partition 4131 is located below the motor cover 45. The second cover 452 is located on the rear partition 4132 and is integrally formed with it. In the vertical direction, the middle partition 4131 is located between the second cover 452 and the second support base 472. The upper end face of the partition plate 4131 abuts against at least one of the first cover 451 and the second cover 452, and the lower end face of the partition plate 4131 abuts against at least one of the first support base 471 and the second support base 472. The second snap-fit ​​portion 62 is an elongated strip extending in the vertical direction, and multiple second spring buckles 61 located at the same end in the left and right directions are arranged in the vertical direction and engage with the corresponding second snap-fit ​​portion 62. The second spring buckle 61 has a second connecting arm 611 and a second buckle portion 612. The second buckle portion 612 is connected to the front volute 411 through the second connecting arm 611. The second buckle portion 612 has a third snap-fit ​​surface 621 and a fourth snap-fit ​​surface 622. The third snap-fit ​​surface 621 is located behind the fourth snap-fit ​​surface 622 and abuts against the fourth snap-fit ​​surface 622 in the front-rear direction. A second mounting groove 623 extending vertically is formed on the rear side of the front volute 411. A second spring-loaded latch 61 is disposed within the second mounting groove 623. The second mounting groove 623 has second sidewalls 624 arranged opposite each other in the left-right direction. A third locking groove 625 is defined between the second spring-loaded latch 61 and the second sidewall 624 located at the same end in the left-right direction. A portion of the second locking part 62 in the length direction is located within the third locking groove 625. A third mounting groove 626 extending vertically is provided at the front end of the middle partition 4131. At least a portion of the second spring-loaded latch 61 is located within the third mounting groove 626. The third mounting groove 626 has third sidewalls 627 arranged opposite each other in the left-right direction. The second locking part 62 is disposed at the free end of the third sidewall 627. A second guide slope 628 is formed on the side of the second latching portion 62 facing the third mounting groove 626. The second guide slope 628 is used to guide the installation of the second spring buckle 61. In the direction from front to back, the distance between the second guide slopes 628 of the two second latching portions 62 gradually increases. A second limiting rib 630 is provided on the rear side of the front volute 411. The second limiting rib 630 is accommodated in the third mounting groove 626 and is located between the two second latching portions 62.A second mounting groove 623 extending in the vertical direction is formed on the rear side of the front volute 411. The second spring buckle 61 and the second limiting rib 630 are both provided in the second mounting groove 623. The second mounting groove 623 has a second side wall 624 arranged opposite to each other in the left-right direction. A fourth slot 631 is defined between the second limiting rib 630 and the second side wall 624. The length portion of the second locking part 62 is located in the fourth slot 631.

[0134] The left and right ends of the rear partition 4132 are respectively provided with first snap fasteners 711, and the left and right ends of the middle partition 4131 are respectively provided with first engaging portions 721. The first snap fasteners 711 located at the same end in the left and right directions engage with the first engaging portions 721. The first snap fastener 711 includes a first connecting arm 712 and a first fastening portion 713. The first fastening portion 713 is connected to the rear partition 4132 through the first connecting arm 712. The first fastening portion 713 has a first engaging surface 723, and the first engaging portion 721 has a second engaging surface 724. The first engaging surface 723 is located in front of the second engaging surface 724 and abuts against the second engaging surface 724 in the front-back direction. The rear partition 4132 includes a rear partition body 71 and a rear volute 43. The rear volute 43 is connected to the left and right sides of the rear partition body 71. A first snap fastener 711 is located at the left and right ends of the rear partition body 71 and between the two rear volutes 43. A first slot 722 is defined between the first snap fastener 711 and the rear volute 43 located at the same end in the left-right direction. A portion of the first engaging part 721 in the length direction is located in the first slot 722. The rear end of the middle partition 4131 is provided with a first mounting groove 725 extending in the up-down direction. At least a portion of the first snap fastener 711 is located in the first mounting groove 725. The first mounting groove 725 has first sidewalls 726 arranged opposite each other in the left-right direction. The first engaging part 721 is located at the free end of the first sidewall 726. A first guide slope 727 is formed on the side of the first snap-fit ​​portion 721 facing the first mounting groove 725. The first guide slope 727 is used to guide the installation of the first spring buckle 711. In the direction from back to front, the distance between the first guide slopes 727 of the two first snap-fit ​​portions 721 gradually increases in the left-right direction. The front end of the rear partition 4132 is provided with a first limiting rib 729. The first limiting rib 729 is accommodated in the first mounting groove 725 and is located between the two first snap-fit ​​portions 721. The rear partition 4132 includes a rear partition body 71 and a rear volute tongue 43. The rear volute tongue 43 is connected to the left and right sides of the rear partition body 71. The first spring buckle 711 and the first limiting rib 729 are both provided in the rear partition body 71 and are both located between the two rear volute tongues 43. The length portion of the first snap-fit ​​portion 721 is located in the second snap groove 730 defined by the rear volute tongue 43 and the first limiting rib 729.

[0135] The middle partition 4131 is snapped into the front volute 411. The front volute 411 has second spring-loaded latches 61 at both ends, and the middle partition 4131 has second snap-fit ​​portions 62 at both ends. Each second snap-fit ​​portion 62 is an elongated strip extending vertically. Multiple second spring-loaded latches 61 located at the same end in the left and right directions are arranged vertically and engage with the corresponding second snap-fit ​​portion 62. The middle partition 4131 is snapped into the rear partition 4132. The rear partition 4132 has first spring-loaded latches 711 at both ends, and the middle partition 4131 has first snap-fit ​​portions 721 at both ends. Each first snap-fit ​​portion 721 is an elongated strip extending vertically. Multiple first spring-loaded latches 711 located at the same end in the left and right directions are arranged vertically and engage with the corresponding first snap-fit ​​portion 721.

[0136] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0137] In the description of this application, "first feature" and "second feature" may include one or more of the features.

[0138] In the description of this application, "multiple" means two or more.

[0139] In the description of this application, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or the first and second features being in contact through another feature between them.

[0140] In the description of this application, the terms "above," "over," and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicate that the first feature is at a higher horizontal level than the second feature.

[0141] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0142] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. An air conditioner, wherein, include: A housing assembly, wherein an air outlet is formed at the front of the housing assembly and an air inlet is formed at the rear of the housing assembly, and the air outlet is two that are spaced apart in the left-right direction; A heat exchanger assembly is disposed within the housing assembly; A duct assembly, disposed within the housing assembly, includes a duct volute and a fan assembly. The duct volute includes a front volute and a duct partition. The front volute includes two sub-volutes arranged in a left-right direction. The duct partition is located between the two sub-volutes and is connected to the front volute, jointly defining two ducts arranged in a left-right direction. Two air outlets are respectively connected to the two ducts. The fan assembly includes two fans arranged in a left-right direction. Each fan includes a rotor and a motor. The motor is connected to the rotor. The two rotors are respectively located within the two ducts. The duct partition includes a detachably connected middle partition and a rear partition. The middle partition is detachably connected to the front volute and is connected between the rear partition and the front volute, and is located between the two ducts in the left-right direction.

2. The air conditioner according to claim 1, wherein, The cross-section of the partition plate has the same shape in the vertical direction.

3. The air conditioner according to claim 1 or 2, wherein, A hollow cavity is formed inside the partition plate, and a reinforcing rib is provided inside the hollow cavity. The reinforcing rib is connected to the inner wall of the hollow cavity.

4. The air conditioner according to claim 3, wherein, The reinforcing ribs are arranged in multiple intervals along the front-to-back direction, and each reinforcing rib is connected to the left and right side walls of the hollow cavity respectively.

5. The air conditioner according to any one of claims 1-4, wherein, The middle partition is snapped into the front volute; and / or, the middle partition is snapped into the rear partition.

6. The air conditioner according to claim 5, wherein, The left and right ends of the rear partition are respectively provided with first snap fasteners, and the left and right ends of the middle partition are respectively provided with first locking parts. The first snap fasteners located at the same end in the left and right directions engage with the first locking parts.

7. The air conditioner according to claim 6, wherein, The first snap-fit ​​portion is an elongated strip extending in the vertical direction. The first snap-fits located at the same end in the left and right directions are multiple snap-fits arranged in the vertical direction and engage with the corresponding first snap-fit ​​portion.

8. The air conditioner according to claim 6 or 7, wherein, The first snap fastener includes a first connecting arm and a first buckle portion. The first buckle portion is connected to the rear partition via the first connecting arm. The first buckle portion has a first engaging surface and a second engaging surface. The first engaging surface is located in front of the second engaging surface and abuts against the second engaging surface in the front-rear direction.

9. The air conditioner according to claim 7, wherein, The rear partition includes a rear partition body and a rear volute tongue. The rear volute tongue is connected to the left and right sides of the rear partition body. The first snap fastener is located at the left and right ends of the rear partition body and between the two rear volute tongues. The first snap fastener located at the same end in the left and right direction defines a first slot between the first snap fastener and the rear volute tongue. The length direction portion of the first snap-fit ​​part is located in the first slot.

10. The air conditioner according to any one of claims 7-9, wherein, The rear end of the partition plate is provided with a first mounting groove extending in the vertical direction. At least a portion of the first snap fastener is located in the first mounting groove. The first mounting groove has a first sidewall that is arranged opposite to each other in the left-right direction. The first snap-fit ​​portion is located at the free end of the first sidewall.

11. The air conditioner according to claim 10, wherein, A first guide slope is formed on the side of the first snap-fit ​​portion facing the first mounting groove. The first guide slope is used to guide the installation of the first snap-fit. In the direction from back to front, the distance between the first guide slopes of the two first snap-fit ​​portions in the left-right direction gradually increases.

12. The air conditioner according to claim 10 or 11, wherein, The front end of the rear partition is provided with a first limiting rib plate, which is accommodated in the first mounting groove and located between the two first snap-fit ​​parts.

13. The air conditioner according to claim 12, wherein, The rear partition includes a rear partition body and a rear volute tongue. The rear volute tongue is connected to the left and right sides of the rear partition body. The first snap fastener and the first limiting rib are both provided on the rear partition body and are both located between the two rear volute tongues. The length direction portion of the first snap-fit ​​part is located in the second snap groove defined by the rear volute tongue and the first limiting rib.

14. The air conditioner according to any one of claims 5-13, wherein, The left and right ends of the front volute are respectively provided with second spring buckles, and the left and right ends of the middle partition are respectively provided with second locking parts. The second spring buckles located at the same end in the left and right directions are engaged with the second locking parts.

15. The air conditioner according to claim 14, wherein, The second snap-fit ​​portion is an elongated strip extending in the vertical direction. The second snaps located at the same end in the left and right directions are multiple snaps arranged in the vertical direction and engage with the corresponding second snap-fit ​​portion.

16. The air conditioner according to claim 15, wherein, The second snap fastener has a second connecting arm and a second snap part. The second snap part is connected to the front volute via the second connecting arm. The second snap part has a third engaging surface and a fourth engaging surface. The third engaging surface is located behind the fourth engaging surface and abuts against the fourth engaging surface in the front-rear direction.

17. The air conditioner according to claim 15 or 16, wherein, The rear side of the front volute has a second mounting groove extending in the vertical direction. The second spring buckle is disposed in the second mounting groove. The second mounting groove has a second sidewall that is arranged opposite to each other in the left-right direction. A third slot is defined between the second spring buckle and the second sidewall located at the same end in the left-right direction. The length portion of the second snap-fit ​​portion is located in the third slot.

18. The air conditioner according to any one of claims 15-17, wherein, The front end of the partition plate is provided with a third mounting groove extending in the vertical direction. At least a portion of the second snap fastener is located in the third mounting groove. The third mounting groove has a third sidewall that is arranged opposite to each other in the left-right direction. The second snap-fit ​​portion is located at the free end of the third sidewall.

19. The air conditioner according to claim 18, wherein, A second guide slope is formed on the side of the second snap-fit ​​portion facing the third mounting groove. The second guide slope is used to guide the installation of the second snap-fit. In the direction from front to back, the distance between the second guide slopes of the two second snap-fit ​​portions gradually increases.

20. The air conditioner according to claim 18 or 19, wherein, The rear side of the front volute is provided with a second limiting rib plate, which is accommodated in the third mounting groove and located between the two second snap-fit ​​parts.

21. The air conditioner according to claim 20, wherein, The rear side of the front volute has a second mounting groove extending in the vertical direction. The second spring buckle and the second limiting rib are both disposed in the second mounting groove. The second mounting groove has a second sidewall that is arranged opposite to each other in the left-right direction. A fourth slot is defined between the second limiting rib and the second sidewall. The length portion of the second snap-fit ​​part is located in the fourth slot.

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