CN216346601U

CN216346601U - Air conditioner

Info

Publication number: CN216346601U
Application number: CN202122911059.4U
Authority: CN
Inventors: 熊华祥; 罗会斌; 秦宪; 王悦; 张玉忠; 赵维丹
Original assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Current assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-19
Anticipated expiration: 2031-11-19

Abstract

The utility model provides an air conditioner, which relates to the technical field of air conditioners and comprises a back panel and an evaporator assembly assembled on the back panel, wherein the evaporator assembly comprises a connecting support, the outer edge of the connecting support is provided with an outwards-protruding sealing flange, the inner side surface of the back panel is provided with an inwards-protruding sealing flange, and the sealing flange is in sealing joint with the sealing flange so as to enable the connecting support and the back panel to be in sealing fit. According to the utility model, the sealing flange is in sealing joint with the sealing lap, so that the connecting bracket is in sealing fit with the rear enclosing plate, and the gap between the air inlet cavity and the upper side space is blocked, thus the sealing property between the evaporator assembly and the rear enclosing plate is effectively improved, the air quantity is prevented from entering the upper side space of the air conditioner in a large quantity in the air inlet process, the air quantity loss is reduced, and the energy efficiency of the air conditioner is improved.

Description

Air conditioner

Technical Field

The utility model relates to the technical field of air conditioners, in particular to an air conditioner.

Background

Present vertical air conditioner, evaporimeter and wind channel subassembly support enclose to establish and form the air inlet cavity, and the upside of air inlet cavity is sealed to be realized through clearance fit between the surface of evaporimeter upper bracket and back panel, and for the mode cooperation of horizontal counterpoint between the two, it is great to lead to the clearance, can't accomplish effectively sealed, and because there is certain cavity structure in the upper portion of air conditioner, leads to the windy entering of air inlet in-process air conditioner upside, and then leads to the loss of air inlet volume.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem of how to avoid the air entering from the upper side of the air conditioner to cause the loss of the air inlet amount.

In order to solve the problems, the utility model adopts the following technical scheme.

In one aspect, the utility model provides an air conditioner, comprising a back panel and an evaporator assembly assembled on the back panel, wherein the evaporator assembly comprises a connecting bracket, the outer edge of the connecting bracket is provided with an outward convex sealing flange, the inner surface of the back panel is provided with an inward convex sealing flange, and the sealing flange is in sealing joint with the sealing flange so as to enable the connecting bracket and the back panel to be in sealing fit.

According to the air conditioner provided by the utility model, the sealing flange is arranged on the outer edge of the connecting support, the sealing overlap edge is arranged on the inner side surface of the rear enclosing plate, and the sealing flange is in sealing joint with the sealing overlap edge, so that the connecting support is in sealing fit with the rear enclosing plate, and a gap between the air inlet cavity and the upper side space is blocked, so that the sealing property between the evaporator assembly and the rear enclosing plate is effectively improved, a large amount of air volume is prevented from entering the upper side space of the air conditioner in the air inlet process, the air volume loss is reduced, and the energy efficiency of the air conditioner is improved. Compared with the prior art, the air conditioner provided by the utility model effectively avoids wind entering from the upper side of the air conditioner through the sealing joint of the sealing flanging and the sealing lapping edge, thereby avoiding the loss of the air inlet amount.

Furthermore, the outer side edge of the connecting support is provided with a stop ring plate protruding upwards, the sealing flanging is arranged on the outer side surface of the stop ring plate and is connected with the middle of the stop ring plate, a first step groove is formed between the lower portion of the stop ring plate and the sealing flanging, and the sealing lapping edge is assembled in the first step groove.

According to the air conditioner provided by the utility model, the stop ring plate is arranged on the outer edge of the connecting support, and the sealing flanging is convexly arranged in the middle of the stop ring plate, so that a first step groove is formed between the stop ring plate and the sealing flanging, the first step groove is in an opening shape, the sealing lapping edge can be quickly assembled in the first step groove during actual assembly, the quick positioning between the connection and the rear enclosing plate is realized, and the assembly efficiency is improved.

Furthermore, the outer side surface of the stop ring plate is also provided with a stop convex edge, the stop convex edge is connected with the lower part of the stop ring plate and is arranged at an interval with the sealing flanging, and the stop convex edge abuts against the sealing flanging.

According to the air conditioner provided by the utility model, the stop convex edge is arranged, so that the sealing overlap edge can be limited, the connecting support and the sealing overlap edge are tightly matched, and the loosening condition caused by an assembly gap is avoided; on the other hand can support and hold on sealed overlap, realize secondary seal, further guaranteed the sealing connection between linking bridge and the back panel.

Furthermore, the outer side surface of the stop ring plate is also provided with a first reinforcing rib, and the first reinforcing rib is positioned between the stop convex edge and the sealing flanging and is simultaneously connected with the stop convex edge and the sealing flanging.

According to the air conditioner provided by the utility model, the first reinforcing rib is arranged between the stop flange and the sealing flange, so that the structural strength of the sealing flange and the stop flange is enhanced, the sealing flange and the stop flange are prevented from being deformed by stress in the assembling process, and the sealing effect is further ensured.

Further, the cross section of the sealing overlap edge is rectangular, the sealing flanging is in sealing joint with the upper side surface of the sealing overlap edge, and the stop convex edge is in sealing joint with the inner side surface of the sealing overlap edge.

Furthermore, the evaporator assembly further comprises an assembling support, the assembling support is assembled on the connecting support, an assembling folding edge protruding outwards is arranged on the outer side edge of the assembling support, a second step groove is formed between the assembling folding edge and the outer side edge of the assembling support, and at least part of the stop ring plate and the sealing folding edge are accommodated in the second step groove.

According to the air conditioner provided by the utility model, the assembly folding edge is arranged on the outer side edge of the assembly support, the second step groove is formed between the assembly folding edge and the outer side edge of the assembly support, and at least part of the stop ring plate and the sealing flanging are accommodated in the second step groove when the assembly support is actually installed, so that the assembly support can be quickly positioned with the connecting support, and the assembly efficiency is improved.

Furthermore, the outer side edge of the stop ring plate is also provided with a supporting flange protruding outwards, the supporting flange is connected with the upper part of the stop ring plate, and the supporting flange and the sealing flange are arranged at intervals and abut against the lower side of the assembling flange for supporting the assembling flange.

According to the air conditioner provided by the utility model, the supporting flange is arranged at the upper part of the outer edge of the stop ring plate, so that the supporting function of the assembling flange can be realized, the supporting function of the assembling bracket can be realized, the assembling bracket is prevented from being deformed by stress, and the structural strength of the whole evaporator assembly is improved.

Furthermore, a concave part which is concave downwards is arranged on the supporting flanging, a positioning convex block which is convex downwards is arranged on the lower side of the assembling flanging, and the positioning convex block is assembled in the concave part.

According to the air conditioner provided by the utility model, the concave part is arranged on the supporting flange, and the positioning lug matched with the concave part is arranged on the lower side of the assembling flange, so that the positioning between the assembling flange and the supporting flange can be realized through the positioning lug during actual installation, the condition that the assembling flange is wider than the supporting flange to influence the assembly of the sealing flange below the assembling flange is avoided, meanwhile, the pre-fixing of the assembling flange is realized, and the assembling support is convenient and rapid to install.

Furthermore, a second reinforcing rib is arranged between the supporting flange and the sealing flange, and the second reinforcing rib is simultaneously connected with the supporting flange and the sealing flange.

According to the air conditioner provided by the utility model, the second reinforcing rib is arranged between the supporting flange and the sealing flange, so that the structural strength between the supporting flange and the sealing flange can be enhanced, and the supporting effect on the assembling support is ensured.

Furthermore, the top ends of the supporting flange and the stopping ring plate are flush, so that the supporting flange and the stopping ring plate are abutted against the lower side of the assembling flange.

According to the air conditioner provided by the utility model, by setting the height of the stop ring plate, on one hand, the supporting effect is prevented from being influenced because the supporting flange cannot be contacted with the assembling flange due to the fact that the stop ring plate lifts the assembling flange, and on the other hand, the assembling flange can be supported simultaneously with the supporting flange, so that the supporting effect on the assembling flange is ensured.

Drawings

FIG. 1 is a schematic structural diagram of an air conditioner according to the present invention;

FIG. 2 is a schematic structural view of the evaporator assembly of FIG. 1;

FIG. 3 is a schematic view of the assembled evaporator assembly and back panel of FIG. 1;

FIG. 4 is a partially enlarged view of IV in FIG. 2;

FIG. 5 is a partial enlarged view of V in FIG. 3;

fig. 6 is a partial structural view of the connecting bracket of fig. 2.

Description of reference numerals:

10-an air conditioner; 100-rear coaming; 110-sealing lap; 200-an evaporator assembly; 210-an evaporator body; 230-a connecting bracket; 231-sealing and flanging; 233-stop ring plate; 235-a stop flange; 237-a first reinforcing rib; 238-supporting the flange; 2381-depressions; 239-a second reinforcing rib; 250-assembling a bracket; 251-assembling folded edges; 253-positioning bumps; 300-a front panel; 400-air duct assembly.

Detailed Description

As disclosed in the background art, in the prior art, there is an assembly relationship between the evaporator assembly and the back panel, in which the wind passes through the back panel and the evaporator for heat exchange and then is blown out of the front panel by the wind duct for heat exchange in the room. The conventional evaporator assembly is usually in clearance fit with the back panel, that is, in the horizontal direction, the upper bracket on the evaporator assembly is arranged close to the inner side surface of the back panel, and a certain clearance is formed between the upper bracket and the back panel to realize clearance fit. However, since the top of the air conditioner usually has a certain cavity, and the sealing effect between the evaporator upper bracket and the back panel is poor, a part of air volume enters the upper space of the evaporator assembly during air intake, which causes air intake loss and affects the efficiency of the air conditioner.

In order to solve the problems, the utility model provides a novel air conditioner, the evaporator assembly and the back panel can be in sealing joint by improving the sealing structure between the evaporator assembly and the back panel, so that the air can be prevented from entering from the upper side of the air conditioner, the loss of air inlet amount is reduced, and the efficiency of the air conditioner is improved. In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

First embodiment

Referring to fig. 1 to 6, the present embodiment provides an air conditioner 10, which effectively prevents wind from entering the air conditioner 10 through the sealing engagement between the sealing flange 231 and the sealing flange 110, thereby preventing the loss of the intake air and improving the efficiency. And the overall structure strength of the assembly structure can be improved, and the stress deformation is avoided.

The embodiment provides an air conditioner 10, which comprises a back panel 100 and an evaporator assembly 200 assembled on the back panel 100, wherein the evaporator assembly 200 comprises an evaporator body 210 and a connecting bracket 230, the connecting bracket 230 is connected with the top of the evaporator body 210, the outer edge of the connecting bracket 230 is provided with a sealing flange 231 protruding outwards, the inner side surface of the back panel 100 is provided with a sealing flange 110 protruding inwards, and the sealing flange 231 is in sealing joint with the sealing flange 110, so that the connecting bracket 230 and the back panel 100 are in sealing fit.

In this embodiment, the air conditioner 10 is a floor air conditioner 10, and the air conditioner 10 further includes a front panel 300 and an air duct assembly 400, the front panel 300 is fastened with the back panel 100 to form an inner cavity, the air duct assembly 400 and the evaporator assembly 200 are both disposed in the inner cavity, the back panel 100 is provided with an air inlet, the evaporator body 210 is disposed between the air duct assembly 400 and the air inlet, an air duct cavity is formed between the evaporator body 210 and the air duct assembly 400, an air outlet is disposed on the front panel 300, and the air duct assembly 400 is disposed at the air outlet. When the air conditioner 10 performs heat exchange, air enters the back panel 100 from the air inlet, enters the air duct cavity after heat exchange processing of the evaporator body 210, and is finally sent out of the front panel 300 from the air outlet under the driving of the air duct assembly 400. The basic mounting structure and operation principle of the front panel 300 and the air duct assembly 400 can be described with reference to the existing floor air conditioner, again without being excessively described.

It should be noted that, in the present embodiment, a certain cavity exists on the upper side of the evaporator assembly 200, in the present embodiment, a sealing flange 231 is disposed on the outer edge of the connecting bracket 230, a sealing flange 110 is disposed on the inner side surface of the back panel 100, and the sealing flange 231 is in sealing engagement with the sealing flange 110, so that the connecting bracket 230 and the back panel 100 are in sealing engagement, and a gap between the air inlet cavity and the upper space is blocked, thereby effectively improving the sealing performance between the evaporator assembly 200 and the back panel 100, preventing a large amount of air in the upper space of the air conditioner 10 from entering the air inlet cavity during the air inlet process, reducing the loss of air volume, and improving the energy efficiency of the air conditioner 10. Wherein, the sealing joint means that the two are mutually abutted and attached, thereby realizing a certain degree of sealing.

It should be noted that the outer edge of the connecting bracket 230 in this embodiment refers to the edge of the connecting bracket 230 near the back panel 100. While the sealing flange 231 projects outward, it means that the sealing flange 231 projects horizontally toward the back panel 100. The inner side surface of the back panel 100 means a side surface of the back panel 100 near the center of the air conditioner 10, and the sealing attachment 110 protrudes inward, meaning that the sealing attachment 110 protrudes horizontally toward the connecting bracket 230.

In this embodiment, the outer side edge of the connecting bracket 230 is provided with a stopper ring plate 233 protruding upward, a sealing flange 231 is provided on the outer side surface of the stopper ring plate 233 and connected to the middle of the stopper ring plate 233, and a first step groove in which the sealing flange 110 is fitted is formed between the lower portion of the stopper ring plate 233 and the sealing flange 231. Specifically, the stop ring plate 233 is integrally disposed on the outer side edge of the connecting bracket 230, and extends upward from the outer side edge of the connecting bracket 230, the stop ring plate 233 is disposed on the outer side edge of the connecting bracket 230, and the sealing flange 231 is protruded in the middle of the stop ring plate 233, so that a first step groove is formed between the stop ring plate 233 and the sealing flange 231, the first step groove is open, the sealing flange 110 can be quickly assembled in the first step groove during actual assembly, quick positioning between connection and between back panels 100 is achieved, and assembly efficiency is improved.

It should be noted that, here, the sealing flange 231 and the stop ring plate 233 are integrally formed and extend outward from the outer side surface of the stop ring plate 233, specifically, the sealing flange 231 extends outward in the horizontal direction, so that the lower side surface of the sealing flange 231 can overlap the surface of the sealing flange 110 and be in sealing engagement under the action of gravity, and the sealing effect is ensured. Also, the outer side surface of the stopper ring plate 233 mentioned in the present embodiment refers to a side surface of the stopper ring plate 233 close to the back panel 100. Further, the lower portion of the stopper ring plate 233 refers to a portion of the stopper ring plate 233 that is closer to the evaporator body 210. The specific orientation relationship can refer to the drawings, and of course, the orientation indication herein is merely for convenience of explaining the position relationship of the relevant components, and the actual orientation relationship of the air conditioner 10 during transportation and installation is not limited herein.

In this embodiment, the outer surface of the stop ring plate 233 is further provided with a stop flange 235, the stop flange 235 is connected to the lower portion of the stop ring plate 233 and spaced from the sealing flange 231, and the stop flange 235 abuts against the sealing flange 110. Specifically, the stop convex edge 235 protrudes outward, and the protruding height of the stop convex edge 235 is smaller than that of the sealing flange 231, so that a first step groove can be formed between the stop convex edge 235 and the sealing flange 231, and by arranging the stop convex edge 235, on one hand, the sealing flange 110 can be limited, so that the connecting bracket 230 and the sealing flange 110 are tightly matched, and the loosening condition caused by an assembly gap is avoided; on the other hand, the connecting bracket can be abutted against the sealing lap 110 to realize secondary sealing, so that the sealing connection between the connecting bracket 230 and the back panel 100 is further ensured.

In this embodiment, the outer side surface of the stopper ring plate 233 is further provided with a first reinforcing rib 237, and the first reinforcing rib 237 is located between the stopper flange 235 and the sealing flange 231 and is connected to both the stopper flange 235 and the sealing flange 231. By arranging the first reinforcing rib 237 between the stopper flange 235 and the sealing flange 231, the structural strength of the sealing flange 231 and the stopper flange 235 is enhanced, the sealing flange 231 and the stopper flange 235 are prevented from being deformed by stress in the assembling process, and the sealing effect is ensured.

In the present embodiment, the sealing rim 110 has a rectangular cross-section, and the sealing bead 231 is sealingly engaged on the upper side surface of the sealing rim 110, and the stop bead 235 is sealingly engaged on the inner side surface of the sealing rim 110. Specifically, the lower surface of the sealing bead 231 engages with the upper surface of the sealing bead 110, and the sealing bead 235 abuts against the inner surface of the sealing bead 110 in an interference fit manner while maintaining a sealing contact under the action of gravity in a surface-to-surface fit manner.

Further, the evaporator assembly 200 further includes a mounting bracket 250, the mounting bracket 250 is mounted on the top of the connecting bracket 230, and the outer edge of the mounting bracket 250 is provided with a mounting flange 251 protruding outward, a second step groove is formed between the mounting flange 251 and the outer edge of the mounting bracket 250, and at least a portion of the stopper ring plate 233 and the sealing flange 231 are received in the second step groove. Specifically, the assembly bracket 250 is integrally disposed on the outer side surface of the assembly bracket 250, and by disposing the assembly flange 251 on the outer side edge of the assembly bracket 250 and forming a second stepped groove between the assembly flange 251 and the outer side edge of the assembly bracket 250, when the assembly bracket 250 is actually installed, at least a part of the stop ring plate 233 and the sealing flange 231 are accommodated in the second stepped groove, so that the assembly bracket 250 can be quickly positioned with the connecting bracket 230, and the assembly efficiency is improved.

It should be noted that, here, the assembling bracket 250 is an evaporator upper bracket of the evaporator assembly 200, which is disposed on the upper side of the evaporator body 210, and an evaporator lower bracket is also disposed on the lower side of the evaporator body 210, so that the detachable connection between the evaporator body 210 and the back panel 100 can be realized through the assembling bracket 250, specifically, the detachable connection can be realized through a connecting member such as a screw, and the specific connection structure can refer to the existing vertical air conditioner 10.

In this embodiment, the outer edge of the stop ring plate 233 is further provided with a support flange 238 protruding outward, the support flange 238 is connected to the upper portion of the stop ring plate 233, and the support flange 238 and the sealing flange 231 are spaced apart from each other and abut against the lower side of the assembly flange 251 to support the assembly flange 251. The upper portion of the outer edge of the stop ring plate 233 is provided with the support flange 238, so that the support function of the assembly flange 251 can be achieved, the support function of the assembly bracket 250 can be achieved, the assembly bracket 250 is prevented from being deformed due to stress, and the structural strength of the whole evaporator assembly 200 is improved.

It should be noted that, in this embodiment, the support flange 238 and the sealing flange 231 are arranged in parallel at an interval, the upper surface of the support flange 238 abuts against the lower surface of the assembly flange 251, the support flange 238, the stop ring plate 233 and the sealing flange 231 are integrally arranged, and the support flange 238, the sealing flange 231 and the upper stop ring plate 233 form an outwardly convex mounting convex structure, which is assembled in the second step groove, thereby achieving the rapid assembly of the assembly bracket 250.

In this embodiment, the support flange 238 is further provided with a recessed portion 2381 recessed downward, the lower side of the fitting flange 251 is provided with a positioning projection 253 protruding downward, and the positioning projection 253 is fitted into the recessed portion 2381. Through set up depressed part 2381 on supporting turn-ups 238 to be provided with the location lug 253 with depressed part 2381 complex in the downside of assembly hem 251, when actual installation, can realize the location between assembly hem 251 and the support turn-ups 238 through location lug 253, avoid assembly hem 251 to widen supporting turn-ups 238 setting and influence the assembly of the sealed turn-ups 231 of below, also realized the preliminary fixation to assembly hem 251 simultaneously, convenient quick installation assembly support 250.

In this embodiment, a second reinforcing rib 239 is further disposed between the support flange 238 and the sealing flange 231, and the second reinforcing rib 239 is connected to both the support flange 238 and the sealing flange 231. Specifically, the second reinforcing rib 239 is integrally disposed on the outer side surface of the stopper ring plate 233, and the second reinforcing rib 239 is disposed between the support flange 238 and the seal flange 231, so that the structural strength between the support flange 238 and the seal flange 231 can be enhanced, the support effect on the assembly bracket 250 is ensured, and the overall structural strength of the connecting bracket 230 is also improved.

In this embodiment, the top ends of the support flange 238 and the stopper ring plate 233 are flush, so that both the support flange 238 and the stopper ring plate 233 abut against the lower side of the fitting flange 251. Through setting up the height of backstop ring plate 233, avoid backstop ring plate 233 lifting assembly hem 251 to lead to supporting turn-ups 238 can't contact with assembly hem 251 on the one hand, influence the supporting effect, on the other hand can support assembly hem 251 with supporting turn-ups 238 simultaneously, has guaranteed the supporting effect to assembly hem 251.

In summary, in the air conditioner 10 provided in this embodiment, the stop ring plate 233 is disposed on the outer side edge of the connecting bracket 230, the sealing flange 231 and the supporting flange 238 are disposed at intervals outside the stop ring plate 233, the sealing flange 110 is disposed on the inner side surface of the back panel 100, and the sealing flange 231 is in sealing engagement with the sealing flange 110, so that the connecting bracket 230 and the back panel 100 are in sealing engagement, and a gap between the air inlet cavity and the upper side space is blocked, thereby effectively improving the sealing performance between the evaporator assembly 200 and the back panel 100, preventing a large amount of air in the upper side space of the air conditioner 10 from entering the air inlet cavity during air inlet process, reducing air volume loss, and improving the energy efficiency of the air conditioner 10. Meanwhile, the support flange 238 and the second reinforcing rib 239 are arranged, so that the structural strength of the connecting bracket 230 is effectively enhanced, the support effect on the assembling bracket 250 is realized, and the integral structural strength is enhanced.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The air conditioner is characterized by comprising a back panel (100) and an evaporator assembly (200) assembled on the back panel (100), wherein the evaporator assembly (200) comprises a connecting support (230), the outer edge of the connecting support (230) is provided with an outwards convex sealing flanging (231), the inner side surface of the back panel (100) is provided with an inwards convex sealing overlap edge (110), and the sealing flanging (231) is in sealing joint with the sealing overlap edge (110) so that the connecting support (230) and the back panel (100) are in sealing fit.

2. The air conditioner according to claim 1, wherein the outer side edge of the connection bracket (230) is provided with a stopper ring plate (233) protruded upward, the sealing bead (231) is provided at the outer side surface of the stopper ring plate (233) and is connected to the middle of the stopper ring plate (233), a first stepped groove is formed between the lower portion of the stopper ring plate (233) and the sealing bead (231), and the sealing bead (110) is fitted in the first stepped groove.

3. The air conditioner according to claim 2, wherein the outer side surface of the stop ring plate (233) is further provided with a stop flange (235), the stop flange (235) is connected with the lower portion of the stop ring plate (233) and spaced from the sealing flange (231), and the stop flange (235) abuts against the sealing flange (110).

4. The air conditioner according to claim 3, wherein the outer side surface of the stopper ring plate (233) is further provided with a first reinforcing rib (237), and the first reinforcing rib (237) is located between the stopper flange (235) and the sealing flange (231) and is simultaneously connected with the stopper flange (235) and the sealing flange (231).

5. The air conditioner according to claim 3, wherein the sealing tap (110) has a rectangular cross-section, and the sealing bead (231) is sealingly engaged with an upper side surface of the sealing tap (110), and the stopper bead (235) is sealingly engaged with an inner side surface of the sealing tap (110).

6. The air conditioner according to any one of claims 2 to 5, wherein the evaporator assembly (200) further comprises a mounting bracket, the mounting bracket (250) is mounted on the connecting bracket (230), an outer edge of the mounting bracket (250) is provided with a mounting flange (251) protruding outwards, a second stepped groove is formed between the mounting flange (251) and the outer edge of the mounting bracket (250), and at least a part of the stopper ring plate (233) and the sealing flange (231) are accommodated in the second stepped groove.

7. The air conditioner according to claim 6, wherein the outer edge of the stop ring plate (233) is further provided with a support flange (238) protruding outwards, the support flange (238) is connected with the upper portion of the stop ring plate (233), and the support flange (238) is spaced from the sealing flange (231) and abuts against the lower side of the assembly flange (251) for supporting the assembly flange (251).

8. The air conditioner according to claim 7, wherein the support flange (238) is further provided with a recess (2381) which is recessed downward, the lower side of the fitting flange (251) is provided with a positioning projection (253) which is protruded downward, and the positioning projection (253) is fitted into the recess (2381).

9. The air conditioner according to claim 7, wherein a second reinforcing rib (239) is further provided between the support flange (238) and the seal flange (231), and the second reinforcing rib (239) is simultaneously connected with the support flange (238) and the seal flange (231).

10. The air conditioner according to claim 7, wherein top ends of the support flange (238) and the stopper ring plate (233) are flush so that both the support flange (238) and the stopper ring plate (233) are abutted against a lower side of the fitting flange (251).