Handshake valve for sealing a trailer air circuit

Abstract

The utility model relates to trailer gas path connection technology especially for the hand valve for sealing trailer gas path, including first valve body, adjusting part and second valve body, first valve body top middle and second valve body bottom fixed connection and both pass through first round through -hole and second round through -hole intercommunication, inside hollow forms the pipeline, convenient for gas transmission, the inside screw thread of second valve body installs adjusting part, rotates and rotates the handle and drives screw rod to move up and down, can carry out the blockage and open of air inlet and first valve body and second valve body communication mouth, simple structure, convenient to complete the opening and closing of valve, convenient operation, the air inlet and the air outlet are equipped with the connecting thread, and the air inlet end and the air outlet end of trailer gas path are connected, and the connection is firm, and the disassembly is convenient.

Description

Technical Field

[0001] This utility model relates to trailer air circuit connection technology, specifically a hand valve for sealing trailer air circuits. Background Technology

[0002] In the trailer's air circuit system, the hand valve is a key component for realizing the connection and on / off control of the air circuit, and its performance directly affects the normal operation of the trailer's air circuit system.

[0003] However, the existing technology has the following drawbacks:

[0004] The existing handheld valve's sealing structure design is not reasonable enough. It is easy for the valve core and valve body to have poor sealing at the joint and interface connection. Especially in long-term use or under vibration environment, the sealing performance will further deteriorate, which can easily lead to gas leakage. This not only affects the working efficiency of the gas circuit system, but may also bring safety hazards. Utility Model Content

[0005] The purpose of this invention is to provide a hand-held valve for sealing the air circuit of a trailer, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hand valve for sealing the air circuit of a trailer, comprising a first valve body, an adjusting member, and a second valve body. The first valve body has first through holes at both ends of its top, and the second valve body has second through holes on both sides of its middle section. The two ends of the top of the first valve body are inserted into the second through holes and are fixedly connected. An air inlet is located in the middle of the bottom front of the second valve body, and an air outlet is located on one side of the bottom front of the first valve body. An adjusting member is threadedly installed in the middle of the top of the second valve body. The adjusting member includes a rotating handle and a screw. The middle of the bottom of the rotating handle is fixedly connected to the top of the screw. A plug is provided at the bottom of the screw, and a sealing ring is embedded in the middle of the front of the plug.

[0007] The above technical solution is adopted in which the first valve body and the second valve body are connected, the interior is hollow, and a gas transmission pipe is provided to facilitate the transmission of gas, and the rotating handle facilitates the rotation of the screw.

[0008] The first valve body is cylindrical and has a mounting groove in the middle of its top. The second valve body is fitted into the mounting groove and the two are fixedly connected. The bottom of the first valve body has an air outlet in the middle. The top ends of both sides of the air outlet are fixedly connected to the bottom ends of the second valve body through reinforcing plates.

[0009] In the above technical solution, the air outlet is located at the bottom of the front of the first valve body, and the first valve body and the second valve body are fixedly connected and integrated into one unit.

[0010] The thickness of the second valve body is greater than that of the first valve body. The outer diameter of the first through hole is the same as the inner diameter of the second through hole, and the connection between the two is rounded and chamfered. The air outlet is opened on one side of the bottom front of the air outlet. An air outlet hole is opened on one side of the bottom front of the first valve body and the air outlet hole is connected to the air outlet.

[0011] The above technical solution features a smooth connection between the first and second valve bodies, enhancing structural strength, and the outlet diameter is the same as the outlet hole diameter.

[0012] A fixing plate is fixedly installed in the middle of the top of the first valve body. A slot is opened in the middle of the front side of the fixing plate. The back of the second valve body is fitted into the slot and the two are fixedly connected. The fixing plate has a mounting hole.

[0013] Using the above technical solution, the fixing plate facilitates the fixed installation of the handshake valve inside the trailer, preventing it from shaking or shifting.

[0014] The inner wall of the top of the second valve body is uniformly provided with internal threads, the outer wall of the screw is uniformly provided with external threads and the screw threads are installed inside the second valve body, and a sealing gasket is bonded to the inner wall of the top of the second valve body.

[0015] By adopting the above technical solution, rotating the screw allows it to move up and down inside the second valve body for adjustment.

[0016] The air inlet is a stepped hole, and the inner diameter of the hole decreases from the outside to the inside. Both the inner wall of the air inlet and the inner wall of the air outlet are bonded with O-ring seals.

[0017] The above technical solution ensures that the hand valve is tightly connected to the inlet and outlet pipes of the trailer's air circuit, providing a high level of sealing and preventing gas leakage.

[0018] The plug has a mounting groove in the middle of its front side, and one side of the sealing ring is bonded to the inside of the mounting groove. The sealing ring is made of silicone, and its outer diameter is the same as the inner diameter of the air inlet. The sealing ring also has a certain thickness.

[0019] The above technical solution ensures a tight connection between the sealing ring and the plug, preventing them from falling off, while the mounting groove serves a positioning function.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] The valve core assembly of this utility model has a simple structural design. By rotating the handle in both directions, the screw can be moved up and down to control the opening and closing of the air circuit. It is easy to operate and allows operators to operate quickly. Each connection port is equipped with a sealing structure, which enhances the sealing performance of the hand valve, effectively avoids gas leakage, and improves the working reliability of the air circuit system. Attached Figure Description

[0022] Figure 1 This is a front structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 3 This is a front sectional view of the present invention.

[0025] Figure 4 This is a schematic diagram of the adjusting component structure of this utility model.

[0026] In the diagram: 1. First valve body; 2. Fixing plate; 3. Adjusting component; 4. Second valve body; 5. Mounting hole; 6. Air inlet; 7. Air outlet; 8. Air outlet; 9. First through hole; 10. Mounting groove; 11. Rotating handle; 12. Screw; 13. Plug; 14. Sealing ring; 15. Second through hole; 16. Slot. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-4 This utility model provides a hand valve for sealing the air circuit of a trailer, including a first valve body 1, an adjusting member 3, and a second valve body 4. The first valve body 1 has a first through hole 9 at both ends of its top, and the second valve body 4 has a second through hole 15 on both sides of its middle. The two ends of the top of the first valve body 1 are inserted into the second through hole 15 and are fixedly connected. The second valve body 4 has an air inlet 6 in the middle of its front bottom and an air outlet 8 on one side of its front bottom. The adjusting member 3 is threadedly installed in the middle of the top of the second valve body 4. The adjusting member 3 includes a rotating handle 11 and a screw 12. The middle of the bottom of the rotating handle 11 is fixedly connected to the top of the screw 12. The bottom of the screw 12 is provided with a plug 13 and a sealing ring 14 is embedded in the middle of the front of the plug 13. The rotating handle 11 has a gear-shaped cross-section and a certain thickness.

[0029] The first valve body 1 is cylindrical and has a mounting groove 10 in the middle of its top. The second valve body 4 is fitted into the mounting groove 10 and the two are fixedly connected. The bottom of the first valve body 1 has an air outlet 7 in the middle. The top ends of both sides of the air outlet 7 are fixedly connected to the bottom ends of the second valve body 4 through reinforcing plates. The second valve body 4 is a hollow cylindrical shape.

[0030] The thickness of the second valve body 4 is greater than that of the first valve body 1. The outer diameter of the first through hole 9 is the same as the inner diameter of the second through hole 15, and the connection between the two is rounded and chamfered. The air outlet 8 is opened on one side of the bottom front of the air outlet 7. An air outlet is opened on one side of the bottom front of the first valve body 1 and the air outlet is connected to the air outlet 8. The bottom of the second valve body 4 is hemispherical.

[0031] A fixing plate 2 is fixedly installed in the middle of the top of the first valve body 1. A slot 16 is opened in the middle of the front side of the fixing plate 2. The back of the second valve body 4 is fitted into the slot 16 and the two are fixedly connected. The fixing plate 2 has a mounting hole 5. The cross-sectional shape of the fixing plate 2 is inverted L-shaped, which can be fitted into the fixing structure for quick positioning.

[0032] The inner wall of the top of the second valve body 4 is uniformly provided with internal threads, the outer wall of the screw 12 is uniformly provided with external threads, and the screw 12 is threadedly installed inside the second valve body 4. A sealing gasket is bonded to the inner wall of the top of the second valve body 4, and the length of the screw 12 is the same as the length of the second valve body 4.

[0033] The air inlet 6 is a stepped hole, and the inner diameter of the hole decreases from the outside to the inside. O-rings are bonded to the inner wall of the air inlet 6 and the inner wall of the air outlet 8.

[0034] The plug 13 has an installation ring groove in the middle of its front side, and one side of the sealing ring 14 is bonded to the inside of the installation ring groove. The sealing ring 14 is made of silicone. The outer diameter of the sealing ring 14 is the same as the inner diameter of the air inlet 6, and the sealing ring 14 has a certain thickness. The side of the sealing ring 14 away from the plug 13 is engaged and installed inside the air inlet 6.

[0035] Working principle: When using this utility model, the air inlet 6 is connected to the air inlet end of the trailer, and the air outlet 8 is connected to the air outlet end of the trailer's air circuit. Both the inner side of the air inlet 6 and the inner side of the air outlet 8 are provided with internal threads. The O-ring sealing gasket is compressed to achieve a seal at the interface. When it is necessary to open the air circuit, hold the rotating handle 11 and rotate it in the forward direction. The screw 12 moves upward and exposes the air inlet 6. When it is necessary to close the air circuit, rotate the rotating handle 11 in the reverse direction. The plug 13 blocks the air inlet 6 and closes the air circuit.

[0036] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A handheld valve for sealing the air circuit of a trailer, comprising a first valve body (1), an adjusting element (3), and a second valve body (4), characterized in that: The first valve body (1) has a first through hole (9) at both ends of the top, and the second valve body (4) has a second through hole (15) on both sides of the middle. The two ends of the top of the first valve body (1) are inserted into the second through hole (15) and the two are fixedly connected. The second valve body (4) has an air inlet (6) in the middle of the bottom front, and an air outlet (8) in one side of the bottom front of the first valve body (1). The second valve body (4) has an adjusting component (3) threaded in the middle of the top. The adjusting component (3) includes a rotating handle (11) and a screw (12). The bottom of the rotating handle (11) is fixedly connected to the top of the screw (12). The bottom of the screw (12) is provided with a plug (13) and a sealing ring (14) is embedded in the middle of the front of the plug (13).

2. The hand valve for sealing the air circuit of a trailer according to claim 1, characterized in that: The first valve body (1) is cylindrical and has an installation groove (10) in the middle of its top. The second valve body (4) is fitted into the installation groove (10) and the two are fixedly connected. The bottom of the first valve body (1) has an air outlet (7) in the middle. The top two ends of the air outlet (7) on both sides are fixedly connected to the bottom two ends of the second valve body (4) on both sides through reinforcing plates.

3. The hand valve for sealing the air circuit of a trailer according to claim 1, characterized in that: The thickness of the second valve body (4) is greater than that of the first valve body (1). The outer diameter of the first through hole (9) is the same as the inner diameter of the second through hole (15), and the connection between the two is rounded and chamfered. The air outlet (8) is opened on one side of the bottom front of the air outlet (7). An air outlet is opened on one side of the bottom front of the first valve body (1), and the air outlet is connected to the air outlet (8).

4. The handshake valve for sealing the air circuit of a trailer according to claim 1, characterized in that: A fixing plate (2) is fixedly installed in the middle of the top of the first valve body (1). A slot (16) is opened in the middle of the front side of the fixing plate (2). The back of the second valve body (4) is fitted into the slot (16) and the two are fixedly connected. An installation hole (5) is opened on the fixing plate (2).

5. The hand valve for sealing the air circuit of a trailer according to claim 1, characterized in that: The inner wall of the top of the second valve body (4) is uniformly provided with internal threads, the outer wall of the screw (12) is uniformly provided with external threads, and the screw (12) is threadedly installed inside the second valve body (4). A sealing gasket is bonded to the inner wall of the top of the second valve body (4).

6. The hand valve for sealing the air circuit of a trailer according to claim 1, characterized in that: The air inlet (6) is a stepped hole, and the inner diameter of the hole decreases from the outside to the inside. Both the inner wall of the air inlet (6) and the inner wall of the air outlet (8) are bonded with O-ring seals.

7. The hand valve for sealing the air circuit of a trailer according to claim 1, characterized in that: The plug (13) has an installation ring groove in the middle of its front side, and one side of the sealing ring (14) is bonded to the inside of the installation ring groove. The sealing ring (14) is made of silicone. The outer diameter of the sealing ring (14) is the same as the inner diameter of the air inlet (6), and the sealing ring (14) has a certain thickness.

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