Control valve for hydrogen energy source conveying pipeline

Abstract

The utility model relates to a control valve for a hydrogen energy conveying pipeline, in particular to a control valve for a hydrogen energy conveying pipeline, which comprises a valve body component, a display dial plate and a base plate, and the display dial plate is arranged at the top of the valve body component. Through cooperative use of the valve body assembly, the display dial plate, the base plate, the air inlet pipe, the air outlet pipe, the clamping assembly, the shell and the fixing assembly, a user presses a pressing rod, the pressing rod drives one end of the pressing rod to leave an inner cavity of a limiting groove through a triangular sliding groove, then the user rotates the valve body assembly, and the valve body assembly is opened; the problems that most control valves used for hydrogen energy conveying in the prior art are connected with pipelines through screws, the control valves are compact instruments, sealing gaskets need to be dismounted, checked and replaced regularly, the screws are exposed in the air for a long time and are oxidized and rusted with water vapor in the air, the screw slipping phenomenon is likely to happen, and the service life of the control valves is affected are solved. Therefore, the connection between the control valve and the pipeline is inconvenient, and the working efficiency of workers is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydrogen energy transportation, in particular to a control valve used for a hydrogen energy transportation pipeline. Background Art

[0002] In the process of transporting hydrogen energy, control valves are needed. Control valves are devices used to control the flow of media. Their main functions are to adjust and control the flow, pressure, temperature and flow direction of the media and to maintain the stable operation of the system. Control valves are composed of two main assemblies: valve body assembly and actuator assembly (or actuator system). There are many types of control valve bodies, including straight-through single-seat, straight-through double-seat, angle, diaphragm, small flow, three-way, eccentric rotation, butterfly, sleeve, ball, etc. When making specific choices, a Chinese patent discloses a stable installation for hydrogen energy transportation pipelines. Control valve, publication number: CN216813038U, the utility model belongs to the field of hydrogen energy technology, specifically relates to a control valve with stable installation for hydrogen energy delivery pipeline, including a valve body, a connecting pipe is inserted into the interior of the valve body, a support block is fixedly connected to the connecting pipe, a connecting block is fixedly connected to the valve body, a connecting pipe is slidably connected to the interior of the connecting block, one end of the connecting block contacts with a sealing gasket, the sealing gasket contacts the support block, the connecting pipe is slidably connected to the interior of the sealing gasket, a clamping block is fixedly connected to the sealing gasket, and a limiting block is fixedly connected to the support block. The utility model is provided with a fixed block, so that the limiting block can be limited by the fixed block after the limiting block penetrates the interior of the sealing gasket and the connecting block, so that the limiting block cannot slide out of the connecting block, so that the valve body can be installed more stably, and the problem of unstable installation of the existing control valve with stable installation for hydrogen energy delivery pipeline during use is solved. Through searching, the above is a case that is closer to the prior art.

[0003] In the prior art, most control valves used for hydrogen energy transportation are connected to pipelines through screws. The control valve is a relatively tight instrument and needs to be disassembled, inspected and replaced with sealing gaskets regularly. The screws are exposed to the air for a long time and oxidize and rust with water vapor in the air, which is prone to thread slippage, making it inconvenient to connect the control valve to the pipeline and reducing the work efficiency of workers. Utility Model Content

[0004] The main purpose of the utility model is to provide a control valve for a hydrogen energy transmission pipeline, which has the advantages of enabling the control valve and the pipeline to be quickly disassembled and installed and facilitating the detection of the control valve, so as to solve the problem that most of the control valves for hydrogen energy transmission proposed in the related art are connected to the pipeline by screws, the control valve is a relatively tight instrument, and it is necessary to regularly disassemble, inspect and replace the sealing gasket, the screws are exposed to the air for a long time, oxidize and rust with the water vapor in the air, and are prone to thread slippage, which makes it inconvenient to connect the control valve to the pipeline and reduces the work efficiency of workers.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a control valve for a hydrogen energy delivery pipeline is provided, including a valve body assembly, a display dial and a chassis, the display dial is arranged at the top of the valve body assembly, the chassis is arranged at the bottom of the valve body assembly, an air inlet pipe is arranged on the left side of the valve body assembly, an air outlet pipe used in conjunction with the air inlet pipe is arranged on the right side of the valve body assembly, clamping assemblies used in conjunction with the air inlet pipe and the air outlet pipe are arranged on both sides of the valve body assembly, shells are arranged on the surfaces of the air inlet pipe and the air outlet pipe, the surface of the shell is fixedly connected to the surface of the air inlet pipe, and a fixing assembly is arranged in the inner cavity of the shell.

[0006] Furthermore, the clamping assembly includes a first limit block, a second limit block, a first fixed block and a second fixed block, the first limit block is fixedly connected to the front side of the intake pipe, the second limit block is fixedly connected to the rear side of the intake pipe, the first fixed block is fixedly connected to the front side of the valve body assembly, and the second fixed block is fixedly connected to the rear side of the valve body assembly.

[0007] Furthermore, the fixing assembly includes a positioning rod, a spring and a pressing rod, wherein the side of the positioning rod close to the valve body assembly passes through the surface of the shell, one end of the spring is fixedly connected to the side of the positioning rod away from the valve body assembly, and the other end of the spring is fixedly connected to the inner wall of the shell.

[0008] Furthermore, a triangular sliding groove used in conjunction with the pressing rod is provided on one side of the positioning rod close to the pressing rod, and the side of the pressing rod close to the positioning rod penetrates the surface of the shell and enters the inner cavity of the triangular sliding groove.

[0009] Furthermore, an auxiliary block is fixedly connected to the inner cavity of the shell, and an auxiliary sliding groove used in conjunction with the auxiliary block is provided on the surface of the pressing rod.

[0010] Furthermore, the first limiting block is provided with a first sliding groove for use in conjunction with the first fixing block, and the second limiting block is provided with a second sliding groove for use in conjunction with the second fixing block.

[0011] Furthermore, both sides of the valve body assembly are provided with limiting grooves used in conjunction with the positioning rod, and the positioning rod cooperates with one side of the valve body assembly to penetrate the surface of the shell and the air inlet pipe and enter the inner cavity of the limiting groove.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model provides a valve body assembly, a display dial, a chassis, an air inlet pipe, an air outlet pipe, a clamping assembly, a shell and a fixing assembly for coordinated use. When a user presses a pressing rod, the pressing rod drives one end of the pressing rod to leave the inner cavity of a limiting groove through a triangular sliding groove. Then, the user rotates the valve body assembly. This solves the problem that most control valves for hydrogen energy transportation proposed in the related art are connected to pipelines through screws. The control valve is a relatively tight instrument and needs to be disassembled, inspected and replaced with sealing gaskets regularly. The screws are exposed to the air for a long time and are oxidized and rusted by water vapor in the air, which makes it easy for the screws to slip, making it inconvenient to connect the control valve to the pipeline and reducing the work efficiency of workers.

[0014] The utility model can connect the valve body assembly and the air intake pipe by providing the first limit block and the second limit block, and can connect the valve body assembly and the air intake pipe by providing the first fixing block and the second fixing block. The user rotates the valve body assembly to drive the first fixing block and the second fixing block to enter the inner cavity of the first slide groove and the second slide groove, thereby achieving the connection between the valve body assembly and the air intake pipe.

[0015] The utility model can limit the valve body assembly by setting a positioning rod, can reset the positioning rod by setting a spring, and can move the positioning rod by setting a pressing rod. When a user presses the pressing rod, the pressing rod drives one end of the pressing rod to leave the inner cavity of the limiting groove through the triangular sliding groove.

[0016] The utility model can connect the pressing rod and the positioning rod by arranging the triangular sliding groove. When the user presses the pressing rod, the pressing rod drives one end of the pressing rod to leave the inner cavity of the limiting groove through the triangular sliding groove.

[0017] The utility model can limit the pressing rod by arranging the auxiliary block to prevent the pressing rod from deviating during the movement, and can connect the auxiliary block and the pressing rod by arranging the auxiliary sliding groove.

[0018] The utility model can connect the first limit block and the first fixed block by arranging the first sliding groove, and can connect the second limit block and the second fixed block by arranging the second sliding groove.

[0019] The utility model can connect the valve body assembly and the air intake pipe by arranging the limiting groove, thereby preventing the first fixing block and the second fixing block from being separated from the inner cavities of the first sliding groove and the second sliding groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the overall mechanism provided by the utility model;

[0021] Figure 2 Provide a top-down sectional stereogram of the utility model;

[0022] Figure 3 Provided for the utility model Figure 2 A partial enlarged view of the middle A;

[0023] Figure 4 A left-side sectional stereogram is provided for the utility model.

[0024] Illustration Description:

[0025] 1. Valve body assembly; 2. Display dial; 3. Chassis; 4. Inlet pipe; 5. Exhaust pipe; 6. Snap-on assembly; 601. First limit block; 602. Second limit block; 603. First fixed block; 604. Second fixed block; 7. Shell; 8. Fixed assembly; 801. Positioning rod; 802. Spring; 803. Pressing rod; 9. Triangular slide groove; 10. Auxiliary block; 11. Auxiliary slide groove; 12. First slide groove; 13. Second slide groove; 14. Limit groove DETAILED DESCRIPTION

[0026] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0027] like Figures 1 to 4 As shown, a control valve for a hydrogen energy delivery pipeline provided by an embodiment of the utility model includes a valve body assembly 1, a display dial 2 and a chassis 3, the display dial 2 is arranged at the top of the valve body assembly 1, the chassis 3 is arranged at the bottom of the valve body assembly 1, an air inlet pipe 4 is arranged on the left side of the valve body assembly 1, an air outlet pipe 5 used in conjunction with the air inlet pipe 4 is arranged on the right side of the valve body assembly 1, clamping assemblies 6 used in conjunction with the air inlet pipe 4 and the air outlet pipe 5 are arranged on both sides of the valve body assembly 1, shells 7 are arranged on the surfaces of the air inlet pipe 4 and the air outlet pipe 5, the surfaces of the shell 7 are fixedly connected to the surface of the air inlet pipe 4, and a fixing assembly 8 is arranged in the inner cavity of the shell 7.

[0028] refer to Figure 4The clamping assembly 6 includes a first limit block 601, a second limit block 602, a first fixed block 603 and a second fixed block 604. The first limit block 601 is fixedly connected to the front side of the intake pipe 4, the second limit block 602 is fixedly connected to the rear side of the intake pipe 4, the first fixed block 603 is fixedly connected to the front side of the valve body assembly 1, and the second fixed block 604 is fixedly connected to the rear side of the valve body assembly 1.

[0029] By adopting the above scheme: by setting the first limit block 601 and the second limit block 602, the valve body assembly 1 and the air intake pipe 4 can be connected. By setting the first fixing block 603 and the second fixing block 604, the valve body assembly 1 and the air intake pipe 4 can be connected. The user rotates the valve body assembly 1 to drive the first fixing block 603 and the second fixing block 604 to enter the inner cavity of the first slide groove 12 and the second slide groove 13, thereby achieving the connection between the valve body assembly 1 and the air intake pipe 4.

[0030] refer to Figure 3 The fixing assembly 8 includes a positioning rod 801, a spring 802 and a pressing rod 803. The positioning rod 801 passes through the surface of the shell 7 on the side close to the valve body assembly 1. One end of the spring 802 is fixedly connected to the side of the positioning rod 801 away from the valve body assembly 1, and the other end of the spring 802 is fixedly connected to the inner wall of the shell 7.

[0031] By adopting the above scheme: by setting the positioning rod 801, the valve body assembly 1 can be limited, by setting the spring 802, the positioning rod 801 can be reset, and by setting the pressing rod 803, the positioning rod 801 can be moved. The user presses the pressing rod 803, and the pressing rod 803 drives one end of the pressing rod 803 to leave the inner cavity of the limiting groove 14 through the triangular slide groove 9.

[0032] refer to Figure 3 A triangular slot 9 for use with the pressing rod 803 is provided on one side of the positioning rod 801 close to the pressing rod 803 , and the side of the pressing rod 803 close to the positioning rod 801 penetrates the surface of the shell 7 and enters the inner cavity of the triangular slot 9 .

[0033] By adopting the above solution: by setting the triangular slide groove 9, the pressing rod 803 and the positioning rod 801 can be connected. When the user presses the pressing rod 803, the pressing rod 803 drives one end of the pressing rod 803 to leave the inner cavity of the limiting groove 14 through the triangular slide groove 9.

[0034] refer to Figure 3 The inner cavity of the shell 7 is fixedly connected with an auxiliary block 10 , and the surface of the pressing rod 803 is provided with an auxiliary sliding groove 11 used in conjunction with the auxiliary block 10 .

[0035] By adopting the above scheme: by setting the auxiliary block 10, it can limit the pressing rod 803 and prevent the pressing rod 803 from shifting during the movement. By setting the auxiliary auxiliary slot 11, it can connect the auxiliary block 10 and the pressing rod 803.

[0036] refer to Figure 4 The first limiting block 601 is provided with a first sliding groove 12 for use with the first fixing block 603 , and the second limiting block 602 is provided with a second sliding groove 13 for use with the second fixing block 604 .

[0037] By adopting the above solution, by setting the first sliding groove 12, the first limiting block 601 and the first fixing block 603 can be connected, and by setting the second sliding groove 13, the second limiting block 602 and the second fixing block 604 can be connected.

[0038] refer to Figure 3 Both sides of the valve body assembly 1 are provided with limiting grooves 14 used in conjunction with the positioning rod 801. The positioning rod 801 cooperates with one side of the valve body assembly 1 to penetrate the surface of the shell 7 and the intake pipe 4 and enter the inner cavity of the limiting groove 14.

[0039] The above solution is adopted: by setting the limiting groove 14, the valve body assembly 1 and the air intake pipe 4 can be connected to prevent the first fixing block 603 and the second fixing block 604 from being separated from the inner cavity of the first slide groove 12 and the second slide groove 13.

[0040] During the specific use of the utility model, the user presses the pressing rod 803, and the pressing rod 803 drives one end of the pressing rod 803 to leave the inner cavity of the limiting groove 14 through the triangular slide groove 9. Then the user rotates the valve body assembly 1, and the valve body assembly 1 drives the first fixed block 603 and the second fixed block 604 to leave the inner cavity of the first slide groove 12 and the second slide groove 13, so as to quickly disassemble the valve body assembly 1, which is convenient for the user to check the internal parts of the valve body assembly 1.

[0041] To sum up: the control valve for hydrogen energy delivery pipeline, the utility model sets the valve body assembly 1, the display dial 2, the chassis 3, the air inlet pipe 4, the air outlet pipe 5, the clamping assembly 6, the shell 7 and the fixing assembly 8 for coordinated use. The user presses the pressing rod 803, and the pressing rod 803 drives one end of the pressing rod 803 to leave the inner cavity of the limiting groove 14 through the triangular slide groove 9. Then the user rotates the valve body assembly 1, which solves the problem that most of the control valves for hydrogen energy delivery proposed in the related art are connected to the pipeline through screws. The control valve is a relatively tight instrument and needs to be disassembled and inspected and the sealing gasket replaced regularly. The screws are exposed to the air for a long time and are oxidized and rusted by the water vapor in the air, which is prone to thread slippage, making it inconvenient to connect the control valve to the pipeline and reducing the work efficiency of workers.

[0042] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A control valve for a hydrogen energy delivery pipeline, characterized in that: The invention comprises a valve body assembly (1), a display dial (2) and a chassis (3), wherein the display dial (2) is arranged at the top of the valve body assembly (1), and the chassis (3) is arranged at the bottom of the valve body assembly (1); an air inlet pipe (4) is arranged on the left side of the valve body assembly (1), and an air outlet pipe (5) used in conjunction with the air inlet pipe (4) is arranged on the right side of the valve body assembly (1); both sides of the valve body assembly (1) are provided with a clamping assembly (6) used in conjunction with the air inlet pipe (4) and the air outlet pipe (5); the surfaces of the air inlet pipe (4) and the air outlet pipe (5) are provided with a shell (7); the surface of the shell (7) is fixedly connected to the surface of the air inlet pipe (4), and the inner cavity of the shell (7) is provided with a fixing assembly (8).

2. The control valve for hydrogen energy delivery pipeline according to claim 1, characterized in that: The clamping assembly (6) comprises a first limit block (601), a second limit block (602), a first fixed block (603) and a second fixed block (604), wherein the first limit block (601) is fixedly connected to the front side of the air intake pipe (4), the second limit block (602) is fixedly connected to the rear side of the air intake pipe (4), the first fixed block (603) is fixedly connected to the front side of the valve body assembly (1), and the second fixed block (604) is fixedly connected to the rear side of the valve body assembly (1).

3. The control valve for hydrogen energy delivery pipeline according to claim 1, characterized in that: The fixing assembly (8) comprises a positioning rod (801), a spring (802) and a pressing rod (803); the positioning rod (801) passes through the surface of the shell (7) on a side close to the valve body assembly (1); one end of the spring (802) is fixedly connected to a side of the positioning rod (801) away from the valve body assembly (1); and the other end of the spring (802) is fixedly connected to the inner wall of the shell (7).

4. The control valve for hydrogen energy delivery pipeline according to claim 3, characterized in that: A triangular sliding groove (9) for use with the pressing rod (803) is provided on the side of the positioning rod (801) close to the pressing rod (803); the side of the pressing rod (803) close to the positioning rod (801) penetrates the surface of the shell (7) and enters the inner cavity of the triangular sliding groove (9).

5. The control valve for hydrogen energy delivery pipeline according to claim 3, characterized in that: The inner cavity of the housing (7) is fixedly connected to an auxiliary block (10), and the surface of the pressing rod (803) is provided with an auxiliary sliding groove (11) for use in conjunction with the auxiliary block (10).

6. The control valve for hydrogen energy delivery pipeline according to claim 2, characterized in that: The first limiting block (601) is provided with a first sliding groove (12) for use in conjunction with the first fixing block (603), and the second limiting block (602) is provided with a second sliding groove (13) for use in conjunction with the second fixing block (604).

7. The control valve for hydrogen energy delivery pipeline according to claim 3, characterized in that: Both sides of the valve body assembly (1) are provided with limiting grooves (14) for use with the positioning rod (801); the positioning rod (801) cooperates with one side of the valve body assembly (1) to penetrate the surface of the shell (7) and the air inlet pipe (4) and enter the inner cavity of the limiting groove (14).

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