Novel automobile air conditioner front wall sealing structure

By designing a novel front sealing structure for automotive air conditioning systems, and employing components such as a fixed housing, sealing gasket, sealing sponge, and push rod, the problem of evaporator leak detection with valve was solved, achieving effective sealing of the front enclosure and stable operation of the air conditioning system.

CN223877825UActive Publication Date: 2026-02-06YIDA INTELLIGENT THERMAL MANAGEMENT TECH (MAANSHAN) CO LTD
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Patent Information

Application Number
CN202422710854.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2026-02-06
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

In existing HVAC assemblies for new energy vehicle air conditioners, the evaporator requires leak detection with a valve, which makes front sealing difficult, especially since the electronic expansion valve structure limits the ability to completely seal the front.

Method used

A novel automotive air conditioning front sealing structure is designed, comprising a fixed housing, a sealing gasket, a sealing sponge, and evaporator inlet and outlet pipes. By setting push rods, grooves, anti-slip pads, and pull rings on the sealing gasket and sealing sponge, and combining them with an electronic expansion valve, controllable sealing of the evaporator inlet and outlet pipes is achieved.

Benefits of technology

It achieves effective sealing between the front bulkhead and the sealing structure of the vehicle, facilitating installation and disassembly, and ensuring the safe and stable operation of the air conditioning system.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223877825U_ABST
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Abstract

The utility model discloses a novel automobile air conditioner front wall sealing structure, which belongs to the technical field of automobile air conditioners, and comprises a fixed shell, a sealing gasket, a sealing sponge and an evaporator inlet and outlet pipe, the evaporator inlet and outlet pipe is arranged on the side wall of the fixed shell, the sealing gasket is positioned between the sealing sponge and the fixed shell, the side wall of the sealing gasket is provided with a through hole, and the through hole is communicated with the sealing sponge. The evaporator inlet and outlet pipe extends out of the penetrating hole, a push rod is arranged on the side wall of the sealing gasket, a through hole is formed in the side wall of the sealing sponge, the evaporator inlet and outlet pipe also penetrates out of the through hole, and the end, away from the fixed shell, of the evaporator inlet and outlet pipe is sleeved with an electronic expansion valve. The sealing gasket with the hole and the sealing sponge are arranged in the fixed shell, so that a good sealing state of the automobile front wall can be guaranteed on the premise that normal operation of the evaporator is not affected.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile air conditioner, especially relates to a novel automobile air conditioner front wall sealing structure. BACKGROUND

[0002] The automobile front wall board is the partition between the engine compartment and the car compartment, it is connected with the floor and the front upright column, is installed below the front wall upper cover plate, and the automobile front wall assembly is the key component of the car body board, is the front component of the car body cab, and is also very important in the car body design, and the design requirement and design points thereof are related to whether the design is reasonable, and the gap cooperation with the periphery is also very important.

[0003] At present, in the HVAC assembly of the new energy automobile air conditioner, the evaporator needs to be provided with a valve leak detection function, therefore, an outward valve must be arranged, and the sponge for sealing the front wall needs to be arranged finally, and due to the limitation of the structure of the electronic expansion valve, the front wall cannot be completely sealed, and therefore, it is difficult to effectively seal the inside and outside of the cabin.

[0004] Therefore, the novel automobile air conditioner front wall sealing structure is provided to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at solving the problems in the prior art and provides a novel automobile air conditioner front wall sealing structure.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme.

[0007] A novel automobile air conditioner front wall sealing structure, including fixed casing, sealing gasket, sealing sponge and evaporator inlet and outlet pipe, the evaporator inlet and outlet pipe is arranged in the fixed casing side wall, the sealing gasket is located between the sealing sponge and the fixed casing, the perforation is arranged in the sealing gasket side wall, the evaporator inlet and outlet pipe is stretched out from the perforation, the push rod is arranged in the sealing gasket side wall, the through hole is arranged in the sealing sponge side wall, the evaporator inlet and outlet pipe is also stretched out from the through hole, the electronic expansion valve is arranged on the evaporator inlet and outlet pipe away from the fixed casing one end.

[0008] Preferably, the sliding groove is arranged in the sealing gasket side wall facing the fixed casing, one end of the sliding groove is designed as open, and the push rod is slidably connected with the sliding groove inner wall.

[0009] Preferably, the shape of the through hole is consistent with the shape of the electronic expansion valve, and the position of the through hole corresponds to the position of the perforation.

[0010] Preferably, the limiting grooves are arranged in the upper and lower ends of the recess respectively, the limiting rods are fixedly connected with the two sides of the push rod respectively, and the two limiting rods are slidably connected with the limiting groove inner wall respectively.

[0011] Preferably, the push rod is fixedly connected with several anti-skid pads on the side wall of the fixed shell, and the anti-skid pads are away from the side wall of the fixed shell.

[0012] Preferably, the push rod is fixedly connected with several anti-skid pads on the side wall of the fixed shell, and the anti-skid pads are away from the side wall of the fixed shell.

[0013] In summary, the technical effects and advantages of the present application are as follows:

[0014] In the present application, the evaporator fixedly arranged on the fixed shell is sealed by the sealing pad and the sealing sponge, so that the front wall of the automobile and the entire sealing structure can be kept in a sealed state. Meanwhile, the push rod and the anti-skid pad are arranged on the back of the sealing pad, so that the push rod and the sealing pad can be temporarily fixed on the fixed shell, thereby facilitating the installation of the sealing sponge by the staff in the later stage, and the pull ring arranged on the other end of the push rod also facilitates the staff to pull out the push rod for disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the exploded view of the present application;

[0016] Figure 2 is Figure 1 is the local enlarged view of A in the middle;

[0017] Figure 3 is the structural schematic view of the present application after assembly;

[0018] Figure 4 is the structural connection schematic view of the sealing pad and the push rod in the present application;

[0019] Figure 5 is the structural schematic view of the push rod and the limiting rod in the present application.

[0020] In the figure: 1, fixed shell; 2, sealing pad; 3, sealing sponge; 4, evaporator inlet and outlet pipe; 5, perforation; 6, push rod; 7, through hole; 8, electronic expansion valve; 9, sliding groove; 10, limiting groove; 11, limiting rod; 12, anti-skid pad; 13, recess; 14, pull ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0022] As Figure 1 - Figure 5As shown, a new type of automobile air conditioning front wall sealing structure, including fixed shell 1, sealing pad 2, sealing sponge 3 and evaporator inlet and outlet pipe 4, evaporator inlet and outlet pipe 4 is arranged in the side wall of fixed shell 1, sealing pad 2 is located between sealing sponge 3 and fixed shell 1, the side wall of sealing pad 2 is provided with perforation 5, evaporator inlet and outlet pipe 4 extends from perforation 5, sealing pad 2 is first sleeved on evaporator inlet and outlet pipe 4, and then is mounted on fixed shell 1.

[0023] The side wall of sealing pad 2 is provided with a push rod 6, and the side wall of the side of sealing pad 2 facing fixed shell 1 is provided with a sliding groove 9, one end of sliding groove 9 is designed as open, push rod 6 is slidably connected with the inner wall of sliding groove 9, limiting grooves 10 are respectively formed at the upper and lower ends of recess 13, limiting rods 11 are respectively fixedly connected with the side walls of push rod 6, the two limiting rods 11 are slidably connected with the inner walls of limiting grooves 10, and the end of push rod 6 is magnetically connected with the side wall of sliding groove 9. Due to the magnetic connection between the side wall of push rod 6 and the side wall of sliding groove 9, push rod 6 can be adsorbed to the current position when pushed to the end of sliding groove 9, thereby ensuring the sealing state.

[0024] A plurality of anti-skid pads 12 are fixedly connected with the side wall of the side of push rod 6 facing fixed shell 1, the side wall of the side of anti-skid pad 12 away from push rod 6 abuts against the side wall of fixed shell 1, a recess 13 is formed in the end of the side wall of push rod 6 away from limiting rod 11, a pull ring 14 is fixedly connected in recess 13, and the pull ring 14 is located at the middle position of recess 13. When the staff needs to pull out push rod 6, a special hook rod can be used to pull the pull ring 14, so as to overcome the magnetic force between push rod 6 and sliding groove 9 and pull out push rod 6.

[0025] A through hole 7 is formed in the side wall of sealing sponge 3, and evaporator inlet and outlet pipe 4 also extends from through hole 7, the shape of through hole 7 is consistent with the shape of electronic expansion valve 8, the position of through hole 7 corresponds to the position of perforation 5, and electronic expansion valve 8 is sleeved on the end of evaporator inlet and outlet pipe 4 away from fixed shell 1. Electronic expansion valve 8 can control evaporator inlet and outlet pipe 4, and the opening and closing characteristics and speed thereof can be artificially set. Sealing sponge 3 is pasted on sealing pad 2 and fixed shell 1, and finally the whole sealing structure can form a sealing state with the front wall firewall of the automobile, thereby ensuring the safe and stable operation of the automobile air conditioning system.

[0026] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A new type of automobile air conditioner dash seal structure, comprising a fixed shell (1), a sealing gasket (2), a sealing sponge (3) and an evaporator inlet and outlet pipe (4), characterized in that, The evaporator inlet and outlet pipe (4) is arranged on the side wall of the fixed shell (1), the sealing gasket (2) is located between the sealing sponge (3) and the fixed shell (1), the side wall of the sealing gasket (2) is provided with a perforation (5), the evaporator inlet and outlet pipe (4) extends from the perforation (5), the side wall of the sealing gasket (2) is provided with a push rod (6), the side wall of the sealing sponge (3) is provided with a through hole (7), the evaporator inlet and outlet pipe (4) also extends from the through hole (7), and the evaporator inlet and outlet pipe (4) is sleeved with an electronic expansion valve (8) at the end away from the fixed shell (1).

2. The novel front wall sealing structure of an automobile air conditioner according to claim 1, characterized in that, The side wall of the sealing gasket (2) facing the fixed shell (1) is provided with a sliding groove (9), one end of the sliding groove (9) is designed to be open, and the push rod (6) is in sliding connection with the inner wall of the sliding groove (9).

3. The novel front wall sealing structure of an automobile air conditioner according to claim 1, characterized in that, The shape of the through hole (7) is consistent with that of the electronic expansion valve (8), and the position of the through hole (7) corresponds to the position of the perforation (5).

4. The novel front wall sealing structure of an automobile air conditioner according to claim 2, characterized in that, The upper and lower ends of the groove (13) are respectively provided with limiting grooves (10), the side walls of the push rod (6) are respectively fixedly connected with limiting rods (11), the two limiting rods (11) are respectively in sliding connection with the inner walls of the limiting grooves (10), and the end of the push rod (6) is in magnetic connection with the side wall of the sliding groove (9).

5. The novel front wall sealing structure of an automobile air conditioner according to claim 1, characterized in that, The side wall of the push rod (6) facing the fixed shell (1) is fixedly connected with a plurality of anti-skid pads (12), and the side wall of the anti-skid pad (12) away from the push rod (6) is in abutment with the side wall of the fixed shell (1).

6. The novel front wall sealing structure of an automobile air conditioner according to claim 4, characterized in that, The side wall of the push rod (6) away from the limiting rod (11) is provided with a groove (13), the groove (13) is fixedly connected with a pull ring (14), and the pull ring (14) is located at the middle position of the groove (13).