CN216976508U - Valve core for controlling air intake and exhaust of hydrogen gas storage well - Google Patents

Valve core for controlling air intake and exhaust of hydrogen gas storage well Download PDF

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Publication number
CN216976508U
CN216976508U CN202220731333.1U CN202220731333U CN216976508U CN 216976508 U CN216976508 U CN 216976508U CN 202220731333 U CN202220731333 U CN 202220731333U CN 216976508 U CN216976508 U CN 216976508U
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China
Prior art keywords
valve core
wall
pipe
exhaust
sealing
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CN202220731333.1U
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Chinese (zh)
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陈伟
孙洪
陈玮晟
程尉川
孟劲夫
鄢建春
吴光伟
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Sichuan Oil Natural Gas Technology Co ltd
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Sichuan Oil Natural Gas Technology Co ltd
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Abstract

The utility model discloses a valve core for controlling air intake and exhaust of a hydrogen gas storage well, and relates to the technical field of hydrogen gas storage wells. The method comprises the following steps: the connecting mechanism comprises an installation part and a connecting part, the installation part is arranged in the connector body, the connecting part is arranged on the valve core pipe, and the connecting mechanism can be used for sealing connection between the valve core pipe and the connector body. This hydrogen gas storage well control air inlet and outlet valve core, place in the bell mouth through the bell mouth, make bell mouth and spread groove screw-thread fit again, the pretightning force is applyed to the screw thread pressure cap, it is sealed to make case pipe and business turn over gas connector body to reach, avoid the sealed poor of junction of case pipe and connector body, make hydrogen leak easily, this hydrogen gas storage well control air inlet and outlet valve core, closely laminate through between sealing washer and the rubber circle, rethread fixed slot and solid fixed ring's sliding fit, the leakproofness of junction has been improved, avoid the junction hydrogen leak to appear, there is the potential safety hazard.

Description

Valve core for controlling air intake and exhaust of hydrogen gas storage well
Technical Field
The utility model relates to the technical field of hydrogen gas storage wells, in particular to a valve core for controlling air intake and exhaust of a hydrogen gas storage well.
Background
Along with the development of social economy and scientific technology, the application field of pressure vessels is continuously widened, an underground gas storage well is a product formed by the development of the pressure vessels towards the underground and the combination of the pressure vessels, pressure pipelines and oil and gas wells, and is underground vertical tubular pressure-bearing equipment for storing compressed gas, and high-pressure natural gas is stored underground in a shaft manner.
The hydrogen gas storage well stores hydrogen gas and is mostly used for filling hydrogen gas for a hydrogen fuel cell vehicle, the hydrogen gas in the gas storage well is conveyed to the gas filling machine through a pipeline, a valve connected with a valve core needs to be disconnected when equipment is overhauled, a special valve core needs to be designed between the gas storage well and the pipeline for connection, but the current valve core is poor in connection sealing performance between a gas inlet connector body and a gas outlet connector body, the valve core is generally connected with the valve through threads, and due to the connection mode, the hydrogen gas is easy to leak out, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a valve core for controlling air intake and exhaust of a hydrogen gas storage well, which is characterized in that a conical pipe is placed in a conical hole, then the conical pipe is in threaded fit with a connecting groove, a threaded pressing cap applies pretightening force to seal the valve core pipe and an air intake and exhaust joint body, the poor sealing of the joint of the valve core pipe and the joint body is avoided, hydrogen is easy to leak, the sealing ring is tightly attached to a rubber ring, and the fixed groove is in sliding fit with a fixed ring, so that the sealing property of the joint is improved, the hydrogen leakage at the joint is avoided, and potential safety hazards are caused.
In order to realize the purpose, the utility model is realized by the following technical scheme: a hydrogen gas storage well control air inlet and outlet valve core comprises:
a joint body provided with a valve core pipe;
the connecting mechanism is arranged on the joint body and comprises an installation part and a connecting part, the installation part is arranged in the joint body, the connecting part is arranged on the valve core pipe, and the connecting mechanism can be used for sealing connection between the valve core pipe and the joint body;
the exhaust valve is arranged on the valve core pipe; and
the sealing mechanism is arranged on the valve core pipe and comprises a sealing part and a fixing part, the sealing part is arranged on the valve core pipe, the fixing part is arranged on the sealing part, and the sealing mechanism can realize the sealing connection between the valve core pipe and the exhaust valve.
Further, the installation component includes spread groove and bell mouth, the spread groove is seted up in the outer wall one side of the body that connects, the bell mouth is seted up in the inner wall one side of spread groove.
Further, the connecting part comprises a conical pipe and a threaded pipe, the threaded pipe is fixedly arranged at one end of the valve core pipe, and the conical pipe is fixedly arranged at one end of the threaded pipe.
Further, the sealing component comprises a mounting ring, a sealing ring and a rubber ring, the mounting ring is fixedly arranged on the inner wall of the exhaust valve, the sealing ring is fixedly arranged on one side of the outer wall of the mounting ring, and the rubber ring is fixedly sleeved on the outer wall of the valve core pipe.
Further, the fixed part includes fixed slot and solid fixed ring, the outer wall of rubber circle is seted up to the fixed slot, gu fixed ring is fixed to be set up in the inner wall of sealing washer, gu fixed ring slides to inlay and locates the inner wall of fixed slot.
Furthermore, the outer wall of the valve core pipe is fixedly sleeved with a connecting ring, and the outer wall of the connecting ring is in threaded connection with the inner wall of the exhaust valve.
Further, the outer wall of the connector body is fixedly sleeved with an upper flange, and the upper flange is provided with a lower flange through bolts.
The utility model provides a valve core for controlling air intake and exhaust of a hydrogen gas storage well. The method has the following beneficial effects:
(1) this hydrogen gas storage well control air inlet and outlet valve core places the bell mouth through the bell mouth pipe in, makes bell mouth pipe and spread groove screw-thread fit again, and the pretightning force is applyed to the screw cap, makes case pipe and business turn over gas connector body reach sealedly, avoids the case pipe to leak with the junction of the connector body poor sealedly easily for hydrogen.
(2) This hydrogen gas storage well control air inlet and outlet valve core through closely laminating between sealing washer and the rubber circle, rethread fixed slot and solid fixed ring's sliding fit, has improved the leakproofness of junction, avoids the junction hydrogen leakage to appear, has the potential safety hazard.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is a partial exploded view of the present invention;
fig. 4 is an enlarged view of the utility model at a in fig. 2.
In the figure: 1. a fitting body; 2. a valve core tube; 3. an exhaust valve; 4. connecting grooves; 5. a tapered hole; 6. a tapered tube; 7. a threaded pipe; 8. a mounting ring; 9. a seal ring; 10. a rubber ring; 11. fixing grooves; 12. a fixing ring; 13. a connecting ring; 14. an upper flange; 15. and a lower flange.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides a technical solution: a hydrogen gas storage well control air inlet and outlet valve core comprises:
the joint body 1 is provided with a valve core pipe 2;
the connecting mechanism is arranged on the joint body 1 and comprises an installation part and a connecting part, the installation part is arranged in the joint body 1, the connecting part is arranged on the valve core pipe 2, and the connecting mechanism can be used for sealing connection between the valve core pipe 2 and the joint body 1;
the exhaust valve 3 is arranged on the valve core pipe 2; and
and the sealing mechanism is arranged on the valve core pipe 2 and comprises a sealing part and a fixing part, the sealing part is arranged on the valve core pipe 2, the fixing part is arranged on the sealing part, and the sealing mechanism can realize the sealing connection between the valve core pipe 2 and the exhaust valve 3.
In this embodiment: through case pipe 2, can realize being connected between connector body 1 and the exhaust valve 3, make the high-pressure hydrogen of storage realize system control, the compressor is to the gas storage well gas injection, the gas storage well is to adding the mechanism air feed, through coupling mechanism and sealing mechanism, can realize sealing up the junction of case pipe 2 and connector body 1 and exhaust valve 3, avoid when admitting air and giving vent to anger, because the leakproofness of junction is poor, lead to the hydrogen leakage to appear between the pipe connection, there is the potential safety hazard, exhaust valve 3's structure and principle belong to prior art, do not describe here in detail, its model can be selected according to the in-service use condition.
Specifically, the installation component includes spread groove 4 and bell mouth 5, and spread groove 4 is seted up in the outer wall one side of the body 1 that connects, and bell mouth 5 is seted up in the inner wall one side of spread groove 4.
In this embodiment: the connection between the valve core pipe 2 and the joint body 1 can be more tightly realized through the connecting groove 4 and the tapered hole 5, the diameter of the connecting groove 4 is 32cm, and the diameter of the tapered hole 5 is 18 cm.
Specifically, the connecting part comprises a conical pipe 6 and a threaded pipe 7, the threaded pipe 7 is fixedly arranged at one end of the valve core pipe 2, and the conical pipe 6 is fixedly arranged at one end of the threaded pipe 7.
In this embodiment: the tapered tube 6 on the valve core tube 2 is matched with the tapered hole 5, the threaded tube 7 is in threaded connection with the connecting groove 4, and then the threaded pressing cap of the M36 is matched to apply pretightening force, so that the valve core tube 2 and the inlet and outlet gas joint body 1 are sealed, and the sealing difference of the joint of the valve core tube 2 and the joint body 1 is avoided.
Specifically, the sealing component includes a mounting ring 8, a sealing ring 9 and a rubber ring 10, the mounting ring 8 is fixedly arranged on the inner wall of the exhaust valve 3, the sealing ring 9 is fixedly arranged on one side of the outer wall of the mounting ring 8, and the rubber ring 10 is fixedly sleeved on the outer wall of the valve core pipe 2.
In this embodiment: through the collar 8, can be used to the installation and fixed of sealing washer 9, closely laminate between the outer wall through the inner wall of sealing washer 9 and rubber circle 10, can realize the sealed of 3 and case pipe 2 junctions of exhaust valve, the inner wall of sealing washer 9 is inlayed in the outer wall slip of rubber circle 10, and the outer wall of sealing washer 9 is fixed to be set up in the inner wall of exhaust valve 3.
Specifically, the fixing part includes a fixing groove 11 and a fixing ring 12, the fixing groove 11 is opened on the outer wall of the rubber ring 10, the fixing ring 12 is fixedly arranged on the inner wall of the sealing ring 9, and the fixing ring 12 is slidably embedded on the inner wall of the fixing groove 11.
In this embodiment: through the sliding fit of the fixing groove 11 and the fixing ring 12, the fixing device can be used for fixing the sealing ring 9 and the rubber ring 10, so that the joint is sealed more tightly.
Specifically, the outer wall of the valve core pipe 2 is fixedly sleeved with a connecting ring 13, and the outer wall of the connecting ring 13 is in threaded connection with the inner wall of the exhaust valve 3.
In this embodiment: through the connecting ring 13, one end of the valve core pipe 2 can be in threaded fit with the inner wall of the exhaust valve 3, and the connecting part of the valve core pipe 2 and the exhaust valve 3 can be installed and fixed
Specifically, the outer wall of the joint body 1 is fixedly sleeved with an upper flange 14, and the upper flange 14 is provided with a lower flange 15 through bolts.
In this embodiment: the connector body 1 can be connected and installed with a hydrogen gas storage well through the upper flange 14 and the lower flange 15.
During the use, earlier conical duct 6 places in bell mouth 5, make conical duct 6 and spread groove 4 screw-thread fit again, the pretightning force is applyed to M36's screw cap, it is sealed to make case pipe 2 and business turn over gas connector body 1 reach, avoid the sealed poor of junction of case pipe 2 and connector body 1, make hydrogen leakage easily, put into rubber circle 10 with sealing washer 9 on the case pipe 2 again, make closely laminating between sealing washer 9 and the rubber circle 10, rethread fixed slot 11 and solid fixed ring 12's sliding fit, can strengthen the compactness between sealing washer 9 and the rubber circle 10, make sealing washer 9 and rubber circle 10 laminating department more firm, the leakproofness of junction has been improved, avoid the junction to appear hydrogen leakage, there is the potential safety hazard.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. The utility model provides a case of admitting air and exhausting gas is controlled to hydrogen gas storage well which characterized in that includes:
a joint body (1) provided with a valve core pipe (2);
the connecting mechanism is arranged on the joint body (1) and comprises an installation part and a connecting part, the installation part is arranged in the joint body (1), the connecting part is arranged on the valve core pipe (2), and the connecting mechanism can be used for sealing connection between the valve core pipe (2) and the joint body (1);
the exhaust valve (3), the said exhaust valve (3) locates on valve core tube (2); and
the sealing mechanism is arranged on the valve core pipe (2) and comprises a sealing part and a fixing part, the sealing part is arranged on the valve core pipe (2), the fixing part is arranged on the sealing part, and the sealing mechanism can realize the sealing connection between the valve core pipe (2) and the exhaust valve (3).
2. The valve core for controlling air intake and exhaust of the hydrogen storage well according to claim 1, wherein: the installation component comprises a connecting groove (4) and a conical hole (5), wherein the connecting groove (4) is arranged on one side of the outer wall of the joint body (1), and the conical hole (5) is arranged on one side of the inner wall of the connecting groove (4).
3. The valve core for controlling air intake and exhaust of the hydrogen storage well according to claim 1, wherein: the connecting component comprises a conical pipe (6) and a threaded pipe (7), the threaded pipe (7) is fixedly arranged at one end of the valve core pipe (2), and the conical pipe (6) is fixedly arranged at one end of the threaded pipe (7).
4. The valve core for controlling air intake and exhaust of the hydrogen storage well according to claim 1, wherein: the sealing component comprises a mounting ring (8), a sealing ring (9) and a rubber ring (10), the mounting ring (8) is fixedly arranged on the inner wall of the exhaust valve (3), the sealing ring (9) is fixedly arranged on one side of the outer wall of the mounting ring (8), and the outer wall of the valve core pipe (2) is fixedly sleeved with the rubber ring (10).
5. The valve core for controlling air intake and exhaust of the hydrogen storage well according to claim 4, wherein: the fixed part includes fixed slot (11) and solid fixed ring (12), the outer wall of rubber circle (10) is seted up in fixed slot (11), gu fixed ring (12) are fixed to be set up in the inner wall of sealing washer (9), gu fixed ring (12) slide to inlay and locate the inner wall of fixed slot (11).
6. The valve core for controlling air intake and exhaust of the hydrogen storage well according to claim 1, wherein: the outer wall of the valve core pipe (2) is fixedly sleeved with a connecting ring (13), and the outer wall of the connecting ring (13) is in threaded connection with the inner wall of the exhaust valve (3).
7. The valve core for controlling air intake and exhaust of the hydrogen storage well according to claim 1, wherein: the outer wall of the joint body (1) is fixedly sleeved with an upper flange (14), and the upper flange (14) is provided with a lower flange (15) through bolts.
CN202220731333.1U 2022-03-30 2022-03-30 Valve core for controlling air intake and exhaust of hydrogen gas storage well Active CN216976508U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220731333.1U CN216976508U (en) 2022-03-30 2022-03-30 Valve core for controlling air intake and exhaust of hydrogen gas storage well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220731333.1U CN216976508U (en) 2022-03-30 2022-03-30 Valve core for controlling air intake and exhaust of hydrogen gas storage well

Publications (1)

Publication Number Publication Date
CN216976508U true CN216976508U (en) 2022-07-15

Family

ID=82339401

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220731333.1U Active CN216976508U (en) 2022-03-30 2022-03-30 Valve core for controlling air intake and exhaust of hydrogen gas storage well

Country Status (1)

Country Link
CN (1) CN216976508U (en)

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