Automobile air conditioner pipeline pressing plate and pressing plate assembly

Abstract

This utility model relates to the field of air conditioning pipe pressure plate technology, and more particularly to an automotive air conditioning pipe pressure plate and pressure plate assembly, including a pressure plate and an expansion valve. A first pipe and a second pipe are fixedly connected to the pressure plate. The top and bottom of the pressure plate are provided with connecting structures for connecting the pressure plate and the expansion valve. Each connecting structure includes symmetrically arranged connecting plates, connecting bolts, connecting holes, and connecting threaded grooves. The connecting plates are fixed to the outer wall of the pressure plate, the connecting bolts are inserted into the connecting holes, the connecting holes are located on the connecting plates, and the connecting threaded grooves are located on the outer wall of the expansion valve. Using this connecting structure, the first and second pipes on the pressure plate are first inserted into the first and second holes on the expansion valve, respectively, allowing the pressure plate to fit snugly against the expansion valve. Then, the connecting bolts are inserted into the connecting holes and screwed into the connecting threaded grooves, which stably fixes the pressure plate and the expansion valve together, preventing them from easily detaching.

Description

Technical Field

[0001] This utility model relates to the field of air conditioning pipe pressure plate technology, and in particular to an automotive air conditioning pipe pressure plate and pressure plate assembly. Background Technology

[0002] Air conditioning pipe pressure plate is an indispensable component of automotive air conditioning system. One end of the pressure plate is welded to the aluminum pipe, and the other end is connected to air conditioning system components such as expansion valve and compressor. The pressure plate connects the pipe to the core air conditioning components such as expansion valve and compressor, ensuring smooth flow of refrigerant within the air conditioning system, thereby achieving the purpose of cooling the air inside the vehicle.

[0003] A search revealed that patent document CN206556314U discloses a mating structure for an automotive air conditioning pipe pressure plate, including an expansion valve and a pipe pressure plate assembly. The mating structure further includes fasteners and a positioning mechanism located on the insertion end faces of the expansion valve and the pipe pressure plate assembly for positioning. The fasteners pass through the pipe pressure plate assembly and connect to the expansion valve. The positioning mechanism includes a positioning pin, a first positioning pin hole, and a second positioning pin hole located on the end face of the expansion valve facing the pipe pressure plate assembly. The first positioning pin hole is located on the pipe pressure plate assembly.

[0004] In the aforementioned prior art, although the positioning and constraint of the pressure plate and the pipeline fixed on the pressure plate and the expansion valve are prevented from rotating relative to each other by the cooperation of the positioning pin and the positioning pin hole, and two pressure plates are set, the relative rotation is restricted by the surface contact formed by the locking end faces between the two pressure plates, and the gap between the pipeline assembly and the surrounding parts can be guaranteed after the position of the pressure plate is restricted, but there is no corresponding connection structure and sealing mechanism between the pressure plate and the expansion valve, the pressure plate cannot be stably fixed on one side of the expansion valve, and the sealing between the pressure plate and the expansion valve is poor. Therefore, an automotive air conditioning pipeline pressure plate and pressure plate assembly are now proposed. Utility Model Content

[0005] The purpose of this utility model is to solve the shortcomings of the prior art, which is that there is no corresponding connection structure and sealing mechanism between the pressure plate and the expansion valve, the pressure plate cannot be stably fixed on one side of the expansion valve, and the sealing between the pressure plate and the expansion valve is poor. Therefore, this utility model proposes an automotive air conditioning pipe pressure plate and pressure plate assembly.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A pressure plate and pressure plate assembly for automotive air conditioning pipes, comprising a pressure plate and an expansion valve, wherein a first pipe and a second pipe are fixedly connected to the pressure plate;

[0008] The top and bottom of the pressure plate are provided with a connection structure for connecting the pressure plate and the expansion valve. The connection structure includes symmetrically arranged connection plates, connection bolts, connection holes and connection thread grooves.

[0009] The connecting plate is fixed to the outer wall of the pressure plate, the connecting bolt is inserted into the connecting hole, the connecting hole is set on the connecting plate, and the connecting thread groove is set on the outer wall of the expansion valve;

[0010] A sealing structure is provided between the expansion valve and the pressure plate, and the sealing structure includes a sealing plate, a sealing groove and a sealing ring.

[0011] The sealing plate is fixed to one side of the pressure plate, the sealing groove is disposed on one side of the expansion valve, and the sealing ring is disposed inside the sealing groove.

[0012] Preferably, the expansion valve has a first hole and a second hole on one side, the first tube is inserted into the first hole, and the second tube is inserted into the second hole.

[0013] Preferably, a positioning rod is symmetrically fixedly connected to the side of the pressure plate near the expansion valve, and a positioning hole is symmetrically opened on one side of the expansion valve, and the positioning rod is inserted into the positioning hole.

[0014] Preferably, the connecting bolt is threaded into the connecting thread groove.

[0015] Preferably, the sealing plate, sealing ring, and sealing groove are all arranged in a "U" shape.

[0016] An automotive air conditioning pipe pressure plate assembly includes an automotive air conditioning pipe pressure plate as described in any one of claims.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] 1. When using this equipment, by utilizing the connection structure, first insert the first tube and the second tube on the pressure plate into the first hole and the second hole on the expansion valve, respectively, and make the pressure plate fit against the expansion valve. Then, insert the connecting bolt into the connecting hole and screw it into the connecting thread groove. This can stably fix the pressure plate and the expansion valve together, making them less likely to separate.

[0019] 2. When this equipment is in use, the sealing mechanism is used. The sealing plate on one side of the pressure plate is inserted into the sealing groove on the side of the expansion valve. The sealing plate will squeeze the sealing ring inside the sealing groove, thereby effectively sealing the pressure plate and the expansion valve. The sealing effect is good. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the right side of an automotive air conditioning pipe pressure plate and pressure plate assembly proposed in this utility model.

[0021] Figure 2 This is a left-side three-dimensional structural diagram of an automotive air conditioning pipe pressure plate and pressure plate assembly proposed in this utility model;

[0022] Figure 3 This is a three-dimensional structural diagram showing the connection between the expansion valve, sealing groove, and sealing ring.

[0023] In the diagram: 1. Pressure plate; 2. Expansion valve; 3. First pipe; 4. Second pipe; 5. Connecting plate; 6. Connecting bolt; 7. Connecting hole; 8. Connecting thread groove; 9. Sealing plate; 10. Sealing groove; 11. Sealing ring; 12. Positioning rod; 13. Positioning hole; 14. First hole; 15. Second hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] Reference Figures 1-3 A pressure plate for automotive air conditioning pipes includes a pressure plate 1 and an expansion valve 2, with a first pipe 3 and a second pipe 4 fixedly connected to the pressure plate 1.

[0026] It should be noted that the specific model and specifications of the expansion valve 2 need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it will not be described. In addition, all of them can be powered by external devices and controlled to open and close.

[0027] It should be noted that the expansion valve 2 is installed inside the car, which is existing technology and will not be described here.

[0028] The top and bottom of the pressure plate 1 are provided with a connection structure for connecting the pressure plate 1 and the expansion valve 2. The connection structure includes a symmetrically arranged connection plate 5, a connection bolt 6, a connection hole 7 and a connection thread groove 8.

[0029] It should be noted that inserting the connecting bolt 6 into the connecting hole 7 and screwing it into the connecting thread groove 8 can stably fix the pressure plate 1 and the expansion valve 2 together, making them less likely to separate.

[0030] The connecting plate 5 is fixed to the outer wall of the pressure plate 1, the connecting bolt 6 is inserted into the connecting hole 7, the connecting hole 7 is set on the connecting plate 5, and the connecting thread groove 8 is set on the outer wall of the expansion valve 2.

[0031] A sealing structure is provided between the expansion valve 2 and the pressure plate 1. The sealing structure includes a sealing plate 9, a sealing groove 10 and a sealing ring 11.

[0032] It should be noted that the sealing plate 9 on one side of the pressure plate 1 is inserted into the sealing groove 10 on the side of the expansion valve 2. The sealing plate 9 will squeeze the sealing ring 11 inside the sealing groove 10, thereby effectively sealing the pressure plate 1 and the expansion valve 2, and the sealing effect is good.

[0033] The sealing plate 9 is fixed to one side of the pressure plate 1, the sealing groove 10 is set on one side of the expansion valve 2, and the sealing ring 11 is set inside the sealing groove 10.

[0034] It should be noted that the sealing ring 11 is made of rubber, which is elastic and can achieve a good sealing effect.

[0035] Furthermore, the expansion valve 2 has a first hole 14 and a second hole 15 on one side, the first tube 3 is inserted into the first hole 14, and the second tube 4 is inserted into the second hole 15.

[0036] Furthermore, a positioning rod 12 is symmetrically fixedly connected to the side of the pressure plate 1 near the expansion valve 2, and a positioning hole 13 is symmetrically opened on one side of the expansion valve 2, with the positioning rod 12 inserted into the positioning hole 13.

[0037] It should be noted that when the pressure plate 1 approaches the expansion valve 2, the positioning rod 12 will first contact the expansion valve 2. By inserting the two positioning rods 12 into the two positioning holes 13, the positioning function can be achieved, making it convenient for the first tube 3 and the second tube 4 to be inserted into the first hole 14 and the second hole 15 on the expansion valve 2, respectively.

[0038] Furthermore, the connecting bolt 6 is threadedly connected to the connecting threaded groove 8, and the sealing plate 9, sealing ring 11 and sealing groove 10 are all arranged in a "U" shape.

[0039] An automotive air conditioning pipe pressure plate assembly includes the aforementioned automotive air conditioning pipe pressure plate 1. By installing the automotive air conditioning pipe pressure plate in the automotive air conditioning pipe pressure plate assembly, the automotive air conditioning pipes are managed.

[0040] It should be noted that the connecting and sealing structures on the pressure plate 1 can form the pressure plate 1 assembly, which is convenient for use with the expansion valve 2.

[0041] Working principle of this utility model:

[0042] First, insert the first tube 3 and the second tube 4 on the pressure plate 1 into the first hole 14 and the second hole 15 on the expansion valve 2, respectively, and make the pressure plate 1 fit against the expansion valve 2. Then, insert the connecting bolt 6 into the connecting hole 7 and screw it into the connecting thread groove 8. At the same time, the sealing plate 9 on one side of the pressure plate 1 is inserted into the sealing groove 10 on the side of the expansion valve 2. The sealing plate 9 will squeeze the sealing ring 11 inside the sealing groove 10, which can effectively seal the pressure plate 1 and the expansion valve 2. The sealing effect is good, and the pressure plate 1 and the expansion valve 2 can be stably fixed together and are not easy to separate.

[0043] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. An automotive air conditioning pipe pressing plate comprising a pressing plate (1) and an expansion valve (2), characterized in that, A first pipe (3) and a second pipe (4) are fixedly connected to the pressing plate (1). Connection structures for connecting the pressing plate (1) and the expansion valve (2) are provided at both the top and the bottom of the pressing plate (1). The connection structures include symmetrically arranged connecting plates (5), connecting bolts (6), connection holes (7), and connection threaded grooves (8). The connecting plates (5) are fixed to the outer wall of the pressing plate (1). The connecting bolts (6) are inserted into the connection holes (7). The connection holes (7) are provided on the connecting plates (5). The connection threaded grooves (8) are provided on the outer wall of the expansion valve (2). A sealing structure is provided between the expansion valve (2) and the pressing plate (1). The sealing structure includes a sealing plate (9), a sealing groove (10), and a sealing ring (11). The sealing plate (9) is fixed to one side of the pressing plate (1). The sealing groove (10) is provided on one side of the expansion valve (2). The sealing ring (11) is arranged inside the sealing groove (10).

2. The automotive air conditioning pipe pressing plate according to claim 1, characterized in that, A first hole (14) and a second hole (15) are formed on one side of the expansion valve (2). The first pipe (3) is inserted into the first hole (14). The second pipe (4) is inserted into the second hole (15).

3. The automotive air conditioning line press plate of claim 1, wherein, Positioning rods (12) are symmetrically and fixedly connected to one side of the pressing plate (1) close to the expansion valve (2). Positioning holes (13) are symmetrically formed on one side of the expansion valve (2). The positioning rods (12) are inserted into the positioning holes (13).

4. The automotive air conditioning line press plate of claim 1, wherein, The connecting bolt (6) is in threaded connection with the connection threaded groove (8).

5. The automotive air conditioning line press plate of claim 1, wherein, The sealing plate (9), the sealing ring (11), and the sealing groove (10) are all arranged in a "return" shape.

6. An automotive air conditioning line plate assembly, characterized by, The automotive air-conditioning pipeline pressing plate assembly includes an automotive air-conditioning pipeline pressing plate according to any one of claims 1-5.

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