Return air inlet structure of automobile air conditioner

Abstract

The utility model provides a return air inlet structure of an automobile air conditioner. The return air inlet structure comprises a return air inlet end seat, a filter screen body is installed at the position of a filter port, a screen body storage shaft rod is movably installed in a side box body, and a guide wheel shaft is used for guiding and supporting the filter screen body extending out of a pull-out port. According to the utility model, the filter screen body is rolled through the screen body storage shaft rod, when the filter screen body covered with dust at the top of the return air inlet end seat is replaced, the filter screen body is pulled towards the outer side, the filter screen body with dust is pulled out of the filter port, and the clean filter screen is unfolded again from the screen body storage shaft rod; and a cutting knife is used for cutting the pulled-out old net body structure until the whole filter port is paved with a new filter net body, then two middle pressing plates are used for pressing the middle position of the filter net body, meanwhile, a side pressing plate is pressed downwards, the cutting knife is used for cutting the pulled-out old net body structure, then the side pressing plate continues to press downwards, the cutting site is pressed, and replacement of the whole filter net body is completed.

Description

Technical Field

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

[0002] With the development of science and technology, cars have become more mature, providing great convenience for our lives. Inside the car, there is often an air-conditioning function that can cool or heat the air.

[0003] When the working environment of the vehicle body is relatively bad, there is a lot of dust, and there is a lot of dust in the cab and mud brought in by feet. When using the air conditioner, the dust sucked in by the fan can easily affect the performance and life of the air conditioner. Therefore, the return air outlet of the existing automobile air conditioner is often equipped with a filter to prevent dust from entering the air conditioner. However, the existing filter is often blocked by dust after long-term use, which will affect the operation of the air conditioner. It is necessary to replace the filter in a timely and convenient manner, but the design of the existing air return outlet of the air conditioner cannot meet the requirements. Summary of the invention

[0004] The purpose of the utility model is to provide an air return vent structure for an automobile air conditioner to solve the problems raised in the above background technology.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] The return air outlet structure of the automobile air conditioner includes a return air outlet end seat, a side box body, a wheel axle frame, a middle clamping plate and a side clamping plate, the return air outlet end seat is provided with a return air cavity inside, a filter port is provided at the top position of the return air cavity, a filter mesh body is installed at the position of the filter port, a side box body is provided on the top side of the filter port, a mesh body storage shaft is movably installed inside the side box body, a pull-out port is provided on one side of the side box body, one end of the filter mesh body passes through the pull-out port and is wrapped around the outside of the mesh body storage shaft, a wheel axle frame is provided on the side position of the side box body, a guide wheel axle is movably installed inside the wheel axle frame, and the guide wheel axle guides and supports the filter mesh body extending out of the pull-out port.

[0007] In the above-mentioned return air outlet structure of the automobile air conditioner, two middle clamping plates are arranged at the middle position of the filter port, the two ends of the middle clamping plates are fixed to the side positions of the filter port by screws, and a rubber pad is arranged at the bottom end of the middle clamping plates.

[0008] In the above-mentioned return air outlet structure of the automobile air conditioner, a side groove is provided at the end of the return air outlet end seat, and a side clamping plate is movably provided inside the side groove to clamp and limit the end of the filter body.

[0009] In the above-mentioned return air outlet structure of the automobile air conditioner, a clamping cylinder is arranged at the top side of the return air outlet end seat, a clamping rod is fixedly connected to the output end of the clamping cylinder, and the bottom end of the clamping rod is connected to the middle position of the top end of the side clamping plate.

[0010] In the above-mentioned air return vent structure of the automobile air conditioner, a cutting knife is arranged at the side of the bottom end of the side pressing plate, and a knife groove cooperating with the cutting knife is opened at the bottom of the side groove.

[0011] In the above-mentioned return air outlet structure of the automobile air conditioner, rotating rods are installed on both sides of the inner wall of the side box body through bearings, and one end of the rotating rod is connected to one end of the mesh body storage shaft rod, and a torsion spring is provided on the outside of the rotating rod.

[0012] Compared with the prior art, the advantages of the return air outlet structure of the automobile air conditioner of the utility model are:

[0013] The present application is provided with a side box body at the side position of the return air outlet end seat, and the side box body is provided with a mesh storage shaft rod inside the side box body, and the filter mesh body can be rolled up by the mesh storage shaft rod. When the dust filter mesh body on the top of the return air outlet end seat needs to be replaced, the side pressing plate and the middle pressing plate can be released to limit the filter mesh body, and then the filter mesh body is pulled toward the outside to pull the dust filter mesh body out of the filter port, and the clean filter mesh is unfolded again from the mesh storage shaft rod until the new filter mesh body covers the entire filter port, and then the middle position of the filter mesh body is pressed by the two middle pressing plates, and the side pressing plates are pressed down at the same time, and the old mesh body structure pulled out is cut by the cutting knife, and then the side pressing plates continue to press down to press the cutting position. In this way, the replacement of the entire filter mesh body can be completed, making the replacement of the filter mesh inside the return air outlet end seat simple and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a structural schematic diagram of the return air outlet structure of the automobile air conditioner.

[0015] Figure 2 The utility model is a schematic diagram of the filter port structure of the return air outlet structure of the automobile air conditioner.

[0016] In the figure, 1. return air outlet end seat; 2. side box body; 3. wheel axle frame; 4. middle clamping plate; 5. filter mesh body; 6. side clamping plate; 7. clamping cylinder; 8. cutting knife; 9. filter port; 10. mesh body storage shaft; 11. pull-out port; 12. guide wheel axle. DETAILED DESCRIPTION

[0017] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0018] The return air outlet structure of the automobile air conditioner includes a return air outlet end seat 1, a side box body 2, an axle frame 3, a middle clamping plate 4 and a side clamping plate 6. A return air cavity is arranged inside the return air outlet end seat 1, a filter port 9 is arranged at the top position of the return air cavity, a filter mesh body 5 is installed at the position of the filter port 9, a side box body 2 is arranged on one side of the top of the filter port 9, a mesh storage shaft 10 is movably installed inside the side box body 2, a pull-out port 11 is opened on one side of the side box body 2, one end of the filter mesh body 5 passes through the pull-out port 11 and is wrapped around the outside of the mesh storage shaft 10, a wheel axle frame 3 is arranged on the side position of the side box body 2, a guide wheel shaft 12 is movably installed inside the wheel axle frame 3, and the guide wheel shaft 12 guides and supports the filter mesh body 5 extending out of the pull-out port 11. The filter mesh body 5 structure of the present application can be made of metal mesh and plastic mesh material, and is a flexible and retractable mesh structure.

[0019] like Figure 1 , Figure 2 As shown, the return air outlet structure of the automobile air conditioner of the utility model is specifically provided with two middle clamping plates 4 at the middle position of the filter port 9, the two ends of the middle clamping plates 4 are fixed to the side positions of the filter port 9 by screws, and the bottom end of the middle clamping plates 4 is provided with a rubber pad.

[0020] like Figure 1 , Figure 2 As shown, the return air outlet structure of the automobile air conditioner of the utility model is specifically provided with a side groove at the end position of the return air outlet terminal seat 1, and a side clamping plate 6 is movably provided inside the side groove to clamp and limit the end of the filter mesh body 5.

[0021] like Figure 1 , Figure 2 As shown, the return air outlet structure of the automobile air conditioner of the utility model is specifically, a clamping cylinder 7 is arranged at the top side position of the return air outlet end seat 1, and a clamping rod is fixedly connected to the output end of the clamping cylinder 7, and the bottom end of the clamping rod is connected to the middle position of the top end of the side clamping plate 6.

[0022] like Figure 1 , Figure 2 As shown, the return air outlet structure of the automobile air conditioner of the utility model is specifically provided with a cutting knife 8 at the bottom edge of the side pressure plate 6, and a knife groove cooperating with the cutting knife 8 is opened at the bottom of the side groove. The cutting knife 8 of the present application is a metal knife body, which is mainly used to cut the filter mesh body 5.

[0023] like Figure 1 , Figure 2 As shown, the return air outlet structure of the automobile air conditioner of the utility model is specifically, rotating rods are installed on both sides of the inner wall surface of the side box body 2 through bearings, and one end of the rotating rod is connected to one end of the mesh body storage shaft rod 10, and a torsion spring is provided on the outside of the rotating rod.

[0024] The filter screen 5 of the present invention is to be replaced by the side pressing plate 6, and the side pressing plate 6 is pressed down, and the cutting knife 8 at the bottom end is used to cut the old mesh structure pulled out, so that the new and old mesh bodies are separated, and the side pressing plate 6 is pressed down continuously to press the cutting position, so that the replacement of the entire filter screen body 5 can be completed, so that the replacement of the filter screen inside the return air outlet terminal seat 1 is simple and efficient. The structure of the present invention is suitable for the return air outlet of the air conditioner that needs to replace the internal filter screen structure frequently.

[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A return air outlet structure of an automobile air conditioner, comprising a return air outlet end seat (1), a side box body (2), an axle frame (3), a middle pressing plate (4) and a side pressing plate (6), characterized in that: The return air port end seat (1) is provided with a return air cavity inside, a filter port (9) is provided at the top of the return air cavity, a filter mesh (5) is installed at the filter port (9), a side box (2) is provided on the top side of the filter port (9), a mesh storage shaft (10) is movably installed inside the side box (2), a pull-out port (11) is provided on one side of the side box (2), one end of the filter mesh (5) passes through the pull-out port (11) and is wrapped around the outside of the mesh storage shaft (10), a wheel shaft frame (3) is provided on the side of the side box (2), a guide wheel shaft (12) is movably installed inside the wheel shaft frame (3), and the guide wheel shaft (12) guides and supports the filter mesh (5) extending out of the pull-out port (11).

2. The air return vent structure of the automobile air conditioner according to claim 1, characterized in that: Two middle clamping plates (4) are arranged at the middle position of the filter port (9), the two ends of the middle clamping plates (4) are fixed to the side positions of the filter port (9) by screws, and a rubber pad is arranged at the bottom end of the middle clamping plates (4).

3. The air return vent structure of the automobile air conditioner according to claim 1, characterized in that: A side groove is provided at the end of the return air outlet end seat (1), and a side clamping plate (6) is movably provided inside the side groove, and the side clamping plate (6) clamps and limits the end of the filter body (5).

4. The air return vent structure of the automobile air conditioner according to claim 3, characterized in that: A clamping cylinder (7) is provided at the top side of the return air outlet end seat (1), and a clamping rod is fixedly connected to the output end of the clamping cylinder (7), and the bottom end of the clamping rod is connected to the middle position of the top end of the side clamping plate (6).

5. The air return vent structure of the automobile air conditioner according to claim 4, characterized in that: A cutting knife (8) is arranged at the side of the bottom end of the side pressing plate (6), and a knife groove cooperating with the cutting knife (8) is provided at the bottom of the side groove.

6. The air return vent structure of the automobile air conditioner according to claim 1, characterized in that: Rotating rods are installed on both sides of the inner wall surface of the side box body (2) through bearings, and one end of the rotating rod is connected to one end of the net body storage shaft rod (10), and a torsion spring is sleeved on the outside of the rotating rod.

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