Combination valve with buffering and noise reduction functions

Abstract

The utility model discloses a combination valve with buffering and noise reduction functions, which relates to the technical field of hydrogen fuel cell automobile combination valves, and comprises a fixer, a buffering component is arranged on the front surface of the fixer, the buffering component comprises a fixed cover plate, the fixed cover plate is fixedly arranged on the front surface of the fixer, and the buffering component is arranged on the fixing cover plate. A connecting assembly is fixedly installed on one side of the fixator and comprises a threaded installation pipe, the threaded installation pipe is installed on one side of the fixator in a threaded mode, and a control assembly is arranged on the other side of the fixator. The buffering protrusions are made of sponge materials, a certain buffering effect can be achieved, vibration is reduced, buffering and noise reduction are achieved, the friction force can be increased through the rubber pad, the stability of the combination valve during installation and fixation is conveniently improved, the looseness phenomenon of the combination valve is prevented, the outlet adapter pipe can be in butt joint with a specific pipeline through the connecting elbow, and the service life of the outlet adapter pipe is prolonged. The convenience of pipeline connection is improved, and meanwhile, maintenance personnel can conveniently disassemble and replace the pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen fuel cell automobile combination valves, in particular to a combination valve with buffering and noise reduction functions. Background Art

[0002] In recent years, with the support of a series of policies in my country, the hydrogen storage and hydrogenation industry has developed rapidly. Fuel cell vehicles and their components have gradually entered the stage of commercial promotion. At the same time, higher requirements have been put forward for efficient and safe on-board hydrogen storage systems, hydrogenation equipment and related components. Hydrogen fuel cell vehicles have passed the technical development stage and entered the market introduction stage. The power density of fuel cell engines has been greatly improved and has reached the level of traditional internal combustion engines; based on 70MPa hydrogen storage technology, the driving range has reached the level of traditional vehicles, and the life of fuel cells meets commercial requirements; the adaptability to low-temperature environments has been improved, and it can adapt to -30℃ climate, and the vehicle's applicable range has reached the level of traditional vehicles. At present, the on-board hydrogen system connects the various valves together through a large number of pipe joints, among which the high-pressure double ferrule connection technology has been controlled by foreign high-end brands, and the high price has made the cost of the hydrogen system high. In addition, the large number of pipe joints used put forward higher requirements on the air tightness of the system under the harsh conditions of fuel cell vehicle operation. For this reason, this application provides a combination valve with buffering and noise reduction function. The existing technology has the following problems: the existing combination valve with buffering and noise reduction function uses a lot of pipe joints, the vibration during vehicle operation can easily affect the pipeline connection, the stability is poor, and it is not convenient for widespread promotion and use. Utility Model Content

[0003] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0004] A combination valve with buffering and noise reduction functions comprises a fixture, a buffer assembly is arranged on the front side of the fixture, the buffer assembly comprises a fixed cover plate, the fixed cover plate is fixedly installed on the front side of the fixture, a connecting assembly is fixedly installed on one side of the fixture, the connecting assembly comprises a threaded mounting pipe, the threaded mounting pipe is threadedly installed on one side of the fixture, and a control assembly is arranged on the other side of the fixture.

[0005] A further improvement of the technical solution of the utility model is that the control assembly comprises a gas connecting pipe, the gas connecting pipe is threadedly installed on one side of the fixer, and a control valve is fixedly installed on the bottom end of the gas connecting pipe.

[0006] A further improvement of the technical solution of the utility model is that a pipeline butt joint pipe is fixedly installed on the bottom of the control valve, and fixing pin holes are opened on both sides of the pipeline butt joint pipe.

[0007] A further improvement of the technical solution of the utility model is that a fixing tube is fixedly installed on one end of the threaded mounting tube, a sensor connector is fixedly installed on one end of the fixing tube, and a rubber ring is arranged on one side of the sensor connector.

[0008] A further improvement of the technical solution of the utility model is that a threaded connection pipe is fixedly installed on one side of the sensor joint, a through hole is integrally formed inside the threaded connection pipe, and an electrical connection copper column is fixedly connected inside the through hole.

[0009] A further improvement of the technical solution of the utility model is that a plurality of buffer protrusions are fixedly installed on the front side of the fixed cover plate, and the top and the bottom of the fixed cover plate are fixedly connected with mounting plates.

[0010] A further improvement of the technical solution of the utility model is that an outlet adapter tube is fixedly installed on the bottom of the fixed cover plate, and a connecting elbow is threadedly installed on one end of the outlet adapter tube.

[0011] A further improvement of the technical solution of the utility model is that a rubber pad is arranged on the front side of the mounting plate, and threaded fixing holes are opened at both ends of the mounting plate.

[0012] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0013] 1. The utility model provides a combination valve with buffering and noise reduction functions. Through the joint action of a buffering protrusion, a rubber pad and a connecting elbow, the buffering protrusion is fixedly installed on the front side of a fixed cover plate. The buffering protrusion is made of sponge material, which can play a certain buffering role, thereby reducing vibration and achieving buffering and noise reduction. The rubber pad is fixed on the front side of the mounting plate. The rubber pad can increase friction, which is convenient for improving the stability of the combination valve when it is installed and fixed, and prevents the combination valve from loosening. The connecting elbow is threadedly connected to one end of the outlet transfer pipe, and the outlet transfer pipe can be connected to a specific pipeline through the connecting elbow, which improves the convenience of pipeline connection and is convenient for maintenance personnel to disassemble and replace. The structure is simple and the operation is stable, which is convenient for wide promotion and use.

[0014] 2. The utility model provides a combination valve with buffering and noise reduction functions. Through the joint action of a rubber ring, a threaded connecting pipe and a fixing pin hole, the threaded connecting pipe is fixed to one end of a sensor joint. The threaded connecting pipe is used to install a pressure sensor, thereby improving the convenience of assembling the pressure sensor. The rubber ring is located on one side of the sensor joint. The rubber ring can improve the stability of the pressure sensor during assembly and improve the sealing of the connection, thereby facilitating the improvement of the accuracy of the pressure sensor measurement data. The fixing pin holes are arranged on both sides of the pipe butt joint. Specific bolts are passed through the fixing pin holes to reinforce the pipes when they are butt jointed, thereby improving the stability of the pipe connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the combined valve with buffering and noise reduction functions of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the control component of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the connection assembly of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the buffer component of the utility model.

[0019] In the figure: 1-fixer; 2-buffer assembly; 21-fixed cover plate; 22-buffer protrusion; 23-mounting plate; 24-rubber pad; 25-threaded fixing hole; 26-export transfer pipe; 27-connecting elbow; 3-connecting assembly; 31-threaded mounting pipe; 32-fixing pipe; 33-sensor connector; 34-rubber ring; 35-threaded connecting pipe; 36-through hole; 37-electrical copper column; 4-control assembly; 41-gas connecting pipe; 42-control valve; 43-pipe connecting pipe; 44-fixing pin hole. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with the embodiments:

[0021] like Figure 1-4 As shown, the utility model provides a combination valve with buffering and noise reduction functions, including a fixture 1, a buffer assembly 2 is arranged on the front of the fixture 1, the buffer assembly 2 includes a fixed cover plate 21, the fixed cover plate 21 is fixedly installed on the front of the fixture 1, a connecting assembly 3 is fixedly installed on one side of the fixture 1, the connecting assembly 3 includes a threaded mounting tube 31, the threaded mounting tube 31 is threadedly installed on one side of the fixture 1, a control assembly 4 is arranged on the other side of the fixture 1, the control assembly 4 includes a gas connecting pipe 41, the gas connecting pipe 41 is threadedly installed on one side of the fixture 1, a control valve 42 is fixedly installed on the bottom end of the gas connecting pipe 41, a pipe butt connecting pipe 43 is fixedly installed on the bottom of the control valve 42, and fixing pin holes 44 are opened on both sides of the pipe butt connecting pipe 43, and specific bolts are passed through the fixing pin holes 44 to reinforce the pipes when they are butt-jointed, thereby improving the stability of the pipe connection.

[0022] like Figure 3-4As shown, the utility model provides a technical solution: preferably, a fixing tube 32 is fixedly installed at one end of the threaded mounting tube 31, a sensor connector 33 is fixedly installed at one end of the fixing tube 32, a rubber ring 34 is arranged on one side of the sensor connector 33, the rubber ring 34 can improve the stability of the pressure sensor during assembly, and at the same time can improve the sealing of the connection, so as to improve the accuracy of the pressure sensor measurement data, a threaded connecting tube 35 is fixedly installed on one side of the sensor connector 33, the threaded connecting tube 35 is used to install the pressure sensor, and improves the convenience of assembling the pressure sensor, a through hole 36 is integrally formed inside the threaded connecting tube 35, a power connection copper column 37 is fixedly connected inside the through hole 36, and a plurality of fixedly installed on the front side of the fixed cover plate 21 The buffer protrusion 22 is made of sponge material and can play a certain buffering role, thereby reducing vibration and achieving buffering and noise reduction. The top and bottom of the fixed cover plate 21 are fixedly connected with the mounting plate 23. The bottom of the fixed cover plate 21 is fixedly installed with an outlet adapter tube 26. One end of the outlet adapter tube 26 is threadedly installed with a connecting elbow 27. The connecting elbow 27 can connect the outlet adapter tube 26 to a specific pipeline, thereby improving the convenience of pipeline connection and facilitating disassembly and replacement by maintenance personnel. A rubber pad 24 is arranged on the front of the mounting plate 23. The rubber pad 24 can increase friction, thereby facilitating the stability of the combination valve when it is installed and fixed, and preventing the combination valve from loosening. Threaded fixing holes 25 are provided at both ends of the mounting plate 23.

[0023] The working principle of the combination valve with buffering and noise reduction function is described in detail below.

[0024] like Figure 1-4 As shown, the buffer protrusion 22 is fixedly installed on the front side of the fixed cover plate 21. The buffer protrusion 22 is made of sponge material, which can play a certain buffering role, thereby reducing vibration and achieving buffering noise reduction. The rubber pad 24 is fixed on the front side of the mounting plate 23. The rubber pad 24 can increase the friction force, which is convenient for improving the stability of the combination valve when it is installed and fixed, and prevents the combination valve from loosening. The connecting elbow 27 is threadedly connected to one end of the outlet transfer pipe 26. The outlet transfer pipe 26 can be connected to a specific pipeline through the connecting elbow 27, which improves the convenience of pipeline connection and is convenient for maintenance personnel to disassemble and replace. The structure is simple and the operation is stable, which is convenient for wide promotion and use. The threaded connecting pipe 35 is fixed at one end of the sensor joint 33. The threaded connecting pipe 35 is used to install the pressure sensor, which improves the convenience of assembling the pressure sensor. The rubber ring 34 is located on one side of the sensor joint 33. The rubber ring 34 can improve the stability of the pressure sensor during assembly, and at the same time can improve the sealing of the connection, which is convenient for improving the accuracy of the pressure sensor measurement data. The fixing pin holes 44 are arranged on both sides of the pipe butt joint 43. Specific bolts are passed through the fixing pin holes 44 to reinforce the pipes when they are butt jointed, thereby improving the stability of the pipe connection.

[0025] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A combined valve with buffering and noise reduction function, comprising a retainer (1), characterized in that: A buffer component (2) is arranged on the front side of the fixer (1), and the buffer component (2) comprises a fixed cover plate (21), and the fixed cover plate (21) is fixedly mounted on the front side of the fixer (1); a connection component (3) is fixedly mounted on one side of the fixer (1), and the connection component (3) comprises a threaded mounting tube (31), and the threaded mounting tube (31) is threadedly mounted on one side of the fixer (1); and a control component (4) is arranged on the other side of the fixer (1).

2. A combination valve with buffering and noise reduction function according to claim 1, characterized in that: The control assembly (4) comprises a gas connecting pipe (41), wherein the gas connecting pipe (41) is threadedly mounted on one side of the fixing device (1), and a control valve (42) is fixedly mounted on the bottom end of the gas connecting pipe (41).

3. A combination valve with buffering and noise reduction function according to claim 2, characterized in that: A pipeline butt joint (43) is fixedly mounted on the bottom of the control valve (42), and fixing pin holes (44) are provided on both sides of the pipeline butt joint (43).

4. The combined valve with buffering and noise reduction function according to claim 1, characterized in that: A fixing tube (32) is fixedly mounted on one end of the threaded mounting tube (31), a sensor connector (33) is fixedly mounted on one end of the fixing tube (32), and a rubber ring (34) is provided on one side of the sensor connector (33).

5. The combined valve with buffering and noise reduction function according to claim 4, characterized in that: A threaded connection pipe (35) is fixedly mounted on one side of the sensor joint (33), a through hole (36) is integrally formed inside the threaded connection pipe (35), and an electrical connection copper column (37) is fixedly connected inside the through hole (36).

6. The combined valve with buffering and noise reduction function according to claim 1, characterized in that: A plurality of buffer protrusions (22) are fixedly mounted on the front side of the fixed cover plate (21), and a mounting plate (23) is fixedly connected to the top and bottom of the fixed cover plate (21).

7. The combined valve with buffering and noise reduction function according to claim 1, characterized in that: An outlet adapter tube (26) is fixedly mounted on the bottom of the fixed cover plate (21), and a connecting elbow (27) is threadedly mounted on one end of the outlet adapter tube (26).

8. The combined valve with buffering and noise reduction function according to claim 6, characterized in that: A rubber pad (24) is provided on the front side of the mounting plate (23), and threaded fixing holes (25) are provided at both ends of the mounting plate (23).

Images