Return air outlet structure of automobile air conditioner

Abstract

The utility model discloses a return air outlet structure of an automobile air conditioner, comprising an air conditioner main body and a return air outlet, wherein the return air outlet is connected to the air conditioner main body through a filter assembly, wherein the filter assembly comprises a first connecting pipe connected to the air conditioner main body, a second connecting pipe connected to the return air outlet, a filter chamber connected between the first connecting pipe and the second connecting pipe, a positioning plate fixedly connected to the inner wall of the filter chamber and located between the first connecting pipe and the second connecting pipe, a support plate fitted to the top of the positioning plate, a filter fixedly connected to the bottom of the support plate, and an upper cover movably connected to the top of the filter chamber. Through the above structure, when air flows inside the filter chamber, it flows to the inside of the return air outlet through the filter, and dust can be filtered well inside the filter. The top of the filter chamber is an open structure, and the movably connected upper cover can be opened to take out the filter for cleaning. The overall structure is simple, and the cleaning of the filter is convenient, efficient, and highly practical.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile air conditioners, in particular to an air return port structure of an automobile air conditioner. Background Art

[0002] In the automobile air-conditioning system, the return air vent structure is an important component. Its main function is to draw the air inside the car into the air-conditioning system, and then release it into the car through the air outlet after cooling or heating, thereby adjusting the temperature inside the car.

[0003] In the prior art, after searching, it was found that a Chinese patent disclosed the return air outlet structure of an automobile air conditioner, and its application number is 202321993015.3. The above patent mainly includes an air conditioner main body, and a return air outlet is provided on one side of the outer surface of the air conditioner main body, and a filter screen for blocking dust is provided on one side of the return air outlet, and two drive boxes are fixedly installed on one side of the return air outlet. Although in actual work, the above utility model drives the first threaded rod to rotate by the motor, which can drive the cleaning rod to move, and the dust can be cleaned by the adhesive strip and the bristles, and the connecting block is inserted into the installation cavity, and the mounting bolts are used to connect the mounting block and the connecting block, and the staff rotates the second threaded rod to drive the mounting block to move, and then the cleaning rod can be disassembled and installed, so as to replace the new adhesive strip, so that the dust on the filter screen can be cleaned to avoid the blocked dust affecting the operation of the air conditioner. However, the bristles and adhesive strips provided in the above structure are used to clean the filter. The bristles and adhesive strips exposed to the outside air are easily contaminated by dust, which affects the cleaning effect of the filter. To ensure the cleaning quality of the filter, the bristles and adhesive strips need to be cleaned or replaced frequently. The disassembly and assembly of the cleaning rod also requires the operation of the second threaded rod and the mounting bolts. The overall operation process is relatively cumbersome. Therefore, those skilled in the art provide a return air vent structure for an automobile air conditioner to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a return air outlet structure of an automobile air conditioner. When air flows inside a filter chamber, it passes through a filter and flows to the inside of the return air outlet. Dust can be filtered well inside the filter. The top of the filter chamber is an open structure. The movably connected upper cover can be opened to take out the filter for cleaning. The overall structure is simple, and the cleaning work of the filter is convenient, efficient and practical.

[0005] To achieve the above-mentioned purpose, a return air outlet structure of an automobile air conditioner is provided, comprising an air conditioner main body and a return air outlet, wherein the return air outlet is connected to the air conditioner main body through a filter assembly, and the filter assembly comprises a first connecting pipe connected to the air conditioner main body, a second connecting pipe connected to the return air outlet, a filter chamber connected between the first connecting pipe and the second connecting pipe, a positioning plate fixedly connected to the inner wall of the filter chamber and located between the first connecting pipe and the second connecting pipe, a support plate fitted to the top of the positioning plate, a filter fixedly connected to the bottom of the support plate, and an upper cover movably connected to the top of the filter chamber.

[0006] According to the return air outlet structure of the automobile air conditioner, a connecting plate is provided between the top of the filter chamber and the top of the inner wall of the upper cover, and the bottom of the connecting plate is fixedly connected to the top of the support plate by four equidistant and symmetrically arranged connecting rods.

[0007] According to the return air outlet structure of the automobile air conditioner, the upper cover is screwed and connected to the filter chamber.

[0008] According to the return air outlet structure of the automobile air conditioner, the filter is a filter bag.

[0009] According to the return air outlet structure of the automobile air conditioner, the outer side of the first connecting pipe is slidably connected to a limiting plate, the top of the limiting plate is formed with a folded edge that fits with the top of the upper cover, and four springs connected to the limiting plate are symmetrically and equidistantly fixedly connected to one side of the air conditioner body close to the first connecting pipe.

[0010] According to the return air vent structure of the automobile air conditioner, the outer ring of the upper cover is evenly provided with anti-slip textures.

[0011] The utility model has the following beneficial effects:

[0012] 1. Compared with the prior art, the return air outlet structure of the automobile air conditioner is such that when the air flows inside the filter chamber, it passes through the filter and flows to the inside of the return air outlet. The dust can be filtered well inside the filter. The top of the filter chamber is an open structure, and the upper cover with movable connection can be opened to take out the filter for cleaning. The overall structure is simple, and the cleaning work of the filter is convenient, efficient and practical.

[0013] 2. Compared with the prior art, the return air outlet structure of the automobile air conditioner can limit the upward movement of the upper cover by setting a limit plate, thereby preventing the upper cover from loosening or falling off due to vibration or bumping of the automobile, which is conducive to ensuring the stable sealing effect of the upper cover.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 It is a schematic diagram of the overall structure of the return air outlet structure of the automobile air conditioner of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the filter chamber of the return air outlet structure of the automobile air conditioner of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal cross-sectional structure of the filter chamber of the return air outlet structure of the automobile air conditioner of the utility model;

[0019] Figure 4 The utility model is a structural schematic diagram of the connection of the connecting plate, connecting rod, supporting plate, positioning plate and filter of the return air outlet structure of the automobile air conditioner.

[0020] Legend:

[0021] 1. Air conditioner body; 2. Return air outlet; 3. Filter chamber; 4. First connecting pipe; 5. Second connecting pipe; 6. Positioning plate; 7. Support plate; 8. Filter; 9. Connecting plate; 10. Connecting rod; 11. Upper cover; 12. Limiting plate; 13. Spring. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4The return air outlet structure of the automobile air conditioner of the utility model embodiment comprises an air conditioner main body 1 and a return air outlet 2, the return air outlet 2 is connected to the air conditioner main body 1 through a filter assembly, the filter assembly comprises a first connecting pipe 4 connected to the air conditioner main body 1, a second connecting pipe 5 connected to the return air outlet 2, a filter chamber 3 connected between the first connecting pipe 4 and the second connecting pipe 5, a positioning plate 6 fixedly connected to the inner wall of the filter chamber 3 and located between the first connecting pipe 4 and the second connecting pipe 5, a support plate 7 fitted to the top of the positioning plate 6, a filter 8 fixedly connected to the bottom of the support plate 7 and an upper cover 11 movably connected to the top of the filter chamber 3; specifically, a communication structure is formed between the air conditioner main body 1 and the return air outlet 2 through the first connecting pipe 4, the filter chamber 3 and the second connecting pipe 5, when air flows inside the filter chamber 3, it flows through the filter 8 to the inside of the return air outlet 2, and dust can be filtered well inside the filter 8, and the top of the filter chamber 3 is an open structure, and the movably connected upper cover 11 can be opened to take out the filter 8 for cleaning, the overall structure is simple, and the cleaning work of the filter 8 is convenient, efficient and practical.

[0024] Reference Figure 2 , Figure 3 and Figure 4 A connecting plate 9 is provided between the top of the filter chamber 3 and the top of the inner wall of the upper cover 11, and the bottom of the connecting plate 9 is fixedly connected to the top of the support plate 7 by four equidistant and symmetrically arranged connecting rods 10. Specifically, when the upper cover 11 is connected to the top of the filter chamber 3, the connecting plate 9 clamped between the upper cover 11 and the top of the filter chamber 3 can realize the fixing operation, so that the support plate 7 can be fixed under the action of the connecting rod 10 to ensure the stability of the support plate 7 and the filter 8, and the connecting plate 9 close to the top of the filter chamber 3 is convenient for the operation of taking and placing the internal filter 8.

[0025] The upper cover 11 is screwed together with the filter chamber 3 , and the upper cover 11 screwed together with the filter chamber 3 is easy to assemble and disassemble, and the stability of the connection between the upper cover 11 and the filter chamber 3 can also be ensured.

[0026] The filter 8 is a filter bag, which is convenient to disassemble and assemble, has a large filtering area, and has a good filtering effect. When the filter bag filters the air, the inside is a filtering area, which is conducive to the deposition of dust on the inner wall of the filter bag, which is convenient for subsequent cleaning work.

[0027] Reference Figure 1 and Figure 2The outer side of the first connecting pipe 4 is slidably connected to a limit plate 12, and the top of the limit plate 12 is formed with a folded edge that fits with the top of the upper cover 11. Four springs 13 connected to the limit plate 12 are equidistantly and symmetrically fixedly connected to the side of the air conditioner body 1 close to the first connecting pipe 4. The spring 13 pushes the limit plate 12 so that the top folded edge is stably fitted with the upper cover 11, so that the upward movement of the upper cover 11 can be limited under the action of the limit plate 12, thereby preventing the upper cover 11 from loosening or falling off due to vibration or bumping of the car, which is conducive to ensuring the stable sealing effect of the upper cover 11.

[0028] Reference Figure 1 and Figure 3 The outer ring of the upper cover 11 is evenly provided with anti-skid textures. When the upper cover 11 is operated to rotate, the anti-skid textures are used to ensure the stability of the upper cover 11 during operation.

[0029] Working principle: A connecting structure is formed between the air conditioner main body 1 and the return air outlet 2 through the first connecting pipe 4, the filter chamber 3 and the second connecting pipe 5. When the air flows inside the filter chamber 3, it flows through the filter 8 to the inside of the return air outlet 2. The dust can be filtered well inside the filter 8, and the top of the filter chamber 3 is an open structure. The movably connected upper cover 11 can be opened to take out the filter 8 for cleaning. The overall structure is simple, and the cleaning work of the filter 8 is convenient, efficient and practical.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A return air outlet structure for an automobile air conditioner, comprising an air conditioner main body (1) and a return air outlet (2), characterized in that: The return air outlet (2) is connected to the air conditioner body (1) via a filter assembly, and the filter assembly comprises a first connecting pipe (4) connected to the air conditioner body (1), a second connecting pipe (5) connected to the return air outlet (2), a filter chamber (3) connected between the first connecting pipe (4) and the second connecting pipe (5), a positioning plate (6) fixedly connected to the inner wall of the filter chamber (3) and located between the first connecting pipe (4) and the second connecting pipe (5), a support plate (7) attached to the top of the positioning plate (6), a filter (8) fixedly connected to the bottom of the support plate (7), and an upper cover (11) movably connected to the top of the filter chamber (3).

2. The air return vent structure of the automobile air conditioner according to claim 1, characterized in that: A connecting plate (9) is provided between the top of the filter chamber (3) and the top of the inner wall of the upper cover (11), and the bottom of the connecting plate (9) is fixedly connected to the top of the support plate (7) via four equidistantly symmetrically arranged connecting rods (10).

3. The air return vent structure of the automobile air conditioner according to claim 2, characterized in that: The upper cover (11) is screwed and connected to the filter chamber (3).

4. The air return vent structure of the automobile air conditioner according to claim 3, characterized in that: The filter (8) is a filter bag.

5. The air return vent structure of the automobile air conditioner according to claim 4, characterized in that: The outer side of the first connecting tube (4) is slidably connected to a limit plate (12), the top of the limit plate (12) is formed with a folded edge that fits with the top of the upper cover (11), and four springs (13) connected to the limit plate (12) are symmetrically and equidistantly fixedly connected to one side of the air conditioner body (1) close to the first connecting tube (4).

6. The air return vent structure of the automobile air conditioner according to claim 5, characterized in that: The outer ring of the upper cover (11) is evenly provided with anti-slip textures.

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