CN220828558U - Repeatedly used high-pressure hydrogen snap-off valve - Google Patents
Repeatedly used high-pressure hydrogen snap-off valve Download PDFInfo
- Publication number
- CN220828558U CN220828558U CN202322345406.0U CN202322345406U CN220828558U CN 220828558 U CN220828558 U CN 220828558U CN 202322345406 U CN202322345406 U CN 202322345406U CN 220828558 U CN220828558 U CN 220828558U
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- pressure hydrogen
- high pressure
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 39
- 239000001257 hydrogen Substances 0.000 title claims abstract description 39
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims 4
- 238000010030 laminating Methods 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000002760 rocket fuel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model relates to the technical field of safety valves, in particular to a reusable high-pressure hydrogen stretch-breaking valve which comprises a connecting end, a valve body, a sealing valve core, a clearance ring, a spring, a valve body fixed end and a valve body moving end, wherein the valve body is fixedly sleeved on the outer surface of the bottom end of the connecting end, and the clearance ring is fixedly arranged between the connecting end and the valve body. This repeatedly usable high pressure hydrogen breaks off valve, when the urgent break away from of high pressure hydrogen device meets emergency, outwards stimulate the valve body and remove the end, simultaneously, the spring is the force in the twinkling of an eye, make the sealed case outwards pop out, sealed case removes and sealing ring butt, constitute enclosure space, prevent high pressure hydrogen to leak outward, guarantee user's safety, finally, when needs reuse, only need replace the sealing washer on the valve body removes the end surface, make other parts can used repeatedly, the device cost is reduced, the practicality of device has been increased, just so accomplished the use of a repeatedly usable high pressure hydrogen breaks off valve.
Description
Technical Field
The utility model relates to the technical field of safety valves, in particular to a reusable high-pressure hydrogen stretch-breaking valve.
Background
The emergency release device can prevent leakage accidents caused by accidental breakage of rubber tubes, and the application fields comprise ship to shore unloading, tank loading and unloading of roads and railways and other fixed and movable fluid storage devices, such as a crane pipe, a connection between a fluid conveying arm and a transportation carrier, and the hydrogen has the advantages of being capable of storing and transporting, and has the following advantages: which is a substance that exists indefinitely on earth as water or a compound; the power for using the fuel as rocket fuel is strong; and, even if burned, only reacts with oxygen in the air to generate water, which is a clean energy source for discharging carbon dioxide or air pollutants, with the expansion of hydrogen utilization, establishment of hydrogen storage and transportation technology is urgent, and during transportation of high-pressure hydrogen, a transport pipe is often broken due to some unexpected situations, which causes injury to staff.
However, in the existing high-pressure hydrogen emergency release device, after the device is in emergency release, the whole device can be broken, the broken high-pressure hydrogen emergency release device needs to replace the whole device and cannot be reused, the utilization rate of the device is reduced, and the use cost of the device is increased.
Disclosure of utility model
The utility model aims to provide a reusable high-pressure hydrogen breaking valve so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a repeatedly usable high pressure hydrogen snap valve, including the link, the valve body, the sealed case, keep away the empty ring, a spring, valve body stiff end and valve body remove the end, the fixed cover of valve body is established on the bottom surface of link, keep away empty ring fixed mounting between link and valve body, and the cover is established on the surface of link, be formed with the intercommunication chamber between the surface of empty ring and the inner wall of valve body, the bottom surface cover of link is equipped with the sealed case, the sealed case sets up in the inside of keeping away empty ring, the surface of sealed case is laminated with the inner wall of empty ring, the bottom fixed mounting of valve body has the valve body stiff end, the bottom of valve body stiff end alternates and is provided with the valve body and removes the end, the inside of sealed case is inserted on the top of valve body remove the end, and with the inner wall butt of sealed case, the inside of valve body removes the end is provided with the check valve.
Preferably, the bottom of link has seted up the spring groove, and the inside fixed mounting in spring groove has the spring, the bottom and the sealed case fixed connection of spring.
Preferably, the inside of the valve body is fixedly provided with a sealing ring, the sealing ring is attached to the outer surface of the top end of the movable end of the valve body, and the sealing ring is arranged below the sealing valve core and the clearance ring.
Preferably, the inside of the valve body is provided with a fixed cavity, the inside of the fixed cavity is fixedly provided with a breaking steel ball spring, the outer surface of the moving end of the valve body is provided with a limit groove, and one end of the breaking steel ball spring is clamped in the limit groove.
Preferably, the surfaces of the valve body and the fixed end of the valve body are provided with pin bolt holes, and the pin bolt holes on the fixed end of the valve body correspond to the pin bolt holes.
Preferably, the valve further comprises a connecting cavity, an air outlet channel is formed in the movable end of the valve body, a plurality of connecting ports are formed in the side wall of the top end of the air outlet channel, connecting holes are formed in the surface of the clearance ring, the connecting channel is formed in the top end of the connecting cavity, and the connecting cavity, the connecting channel, the communicating cavity, the connecting holes, the connecting ports and the air outlet channel are communicated to form a complete air channel.
Preferably, a sealing ring is sleeved on the outer surface of the top end of the movable end of the valve body, and the sealing ring is abutted with the inner wall of the sealing valve core.
Compared with the prior art, the utility model provides the reusable high-pressure hydrogen stretch-breaking valve, which has the following beneficial effects:
this repeatedly usable high pressure hydrogen breaks off valve, when the urgent break away from device of high pressure hydrogen meets the emergency, outwards stimulate valve body remove the end, with valve body remove end and valve body stiff end separation, simultaneously, the spring is the power of giving rise to in the twinkling of an eye, make the sealed case outwards pop out, sealed case removes and sealing ring butt, constitute enclosure, prevent high pressure hydrogen to leak outward, ensure user's safety, finally, when needs use once more, only need replace the sealing washer on the valve body remove the end surface, make other parts can reuse, device cost has been reduced, the practicality of device has been increased, just so accomplished the use of a repeatedly usable high pressure hydrogen breaks off valve.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a cut-away structure of the present utility model;
Fig. 3 is a schematic diagram of the disconnection structure of the present utility model.
In the figure: 1. a connection end; 2. a valve body; 3. sealing the valve core; 4. a clearance ring; 5. a spring; 6. a valve body fixed end; 7. a valve body moving end; 8. a connecting cavity; 9. a connecting channel; 10. a communication chamber; 11. a connection hole; 12. a connection port; 13. an air outlet channel; 14. breaking the steel ball spring; 15. a limit groove; 16. a pin hole; 17. a seal ring; 18. a one-way valve.
Detailed Description
Examples
Referring to fig. 1-3, a reusable high-pressure hydrogen breaking valve comprises a connecting end 1, a valve body 2, a sealing valve core 3, a clearance ring 4, a spring 5, a valve body fixed end 6 and a valve body moving end 7, wherein the valve body 2 is fixedly sleeved on the outer surface of the bottom end of the connecting end 1, the clearance ring 4 is fixedly installed between the connecting end 1 and the valve body 2 and sleeved on the outer surface of the connecting end 1, a communication cavity 10 is formed between the outer surface of the clearance ring 4 and the inner wall of the valve body 2, the outer surface of the bottom end of the connecting end 1 is sleeved with a sealing valve core 3, the sealing valve core 3 is arranged in the inner part of the clearance ring 4, the outer surface of the sealing valve core 3 is attached to the inner wall of the clearance ring 4, the bottom end of the valve body 2 is fixedly provided with a valve body fixed end 6, the bottom end of the valve body fixed end 6 is inserted into the inner part of the sealing valve core 3 and is abutted against the inner wall of the sealing valve core 3, a one-way valve 18 is arranged in the inner part of the valve body moving end 7, the one-way valve 18 is used for guaranteeing the connecting end 1 to flow in the reverse direction of the moving end 7, and preventing the inner hydrogen from flowing in the reverse direction when the valve body moves out of the valve body 7 from the valve body and preventing the valve body from leaking after the valve body is pulled out of the upper end 7.
Wherein, the spring groove has been seted up to the bottom of link 1, the inside fixed mounting in spring groove has spring 5, the bottom and the sealed case 3 fixed connection of spring 5, the inside fixed mounting of valve body 2 has the sealing ring, the sealing ring is laminated with the top surface of valve body movable end 7, the sealing ring sets up in the below of sealed case 3 and clearance ring 4, when high pressure hydrogen emergency release device runs into emergency, can stimulate valve body movable end 7 to deviate from valve body stiff end 6, spring 5 can promote sealed case 3 and remove, with the sealing ring butt, the shutoff of valve body is closed conveniently.
Specifically, the fixed cavity is formed in the valve body 2, the snap-off steel ball spring 14 is fixedly installed in the fixed cavity, the limiting groove 15 is formed in the outer surface of the valve body moving end 7, one end of the snap-off steel ball spring 14 is clamped in the limiting groove 15 and used for limiting and fixing the valve body moving end 7, the valve body is integrally kept in a connection state, when an emergency occurs, the snap-off steel ball spring 14 can be extruded through pulling the valve body moving end 7, and the valve body moving end 7 is conveniently pulled out.
Further, the surfaces of the valve body 2 and the valve body fixed end 6 are provided with pin holes 16, the positions of the pin holes 16 on the valve body 2 and the valve body fixed end 6 are corresponding, and the valve body fixed end 6 is conveniently and fixedly arranged on the valve body 2 through the pin.
The device is characterized in that the device is internally provided with a connecting cavity 8, an air outlet channel 13 is formed in the movable end 7 of the valve body, a plurality of connecting ports 12 are formed in the side wall of the top end of the air outlet channel 13, connecting holes 11 are formed in the surface of the clearance ring 4, connecting channels 9 are formed in the top end of the connecting cavity 8, the connecting channels 9, the communicating cavity 10, the connecting holes 11, the connecting ports 12 and the air outlet channel 13 are communicated, a complete air passage is formed, the connecting end 1 is connected with a hydrogen tank, the movable end 7 of the valve body is connected with a rubber tube for conveying hydrogen for use, after the rubber tube leaks, the movable end 7 of the valve body is pulled out from the fixed end 6 of the valve body, and a sealing valve core 3 in the valve body 2 can close the valve body 2 to prevent hydrogen leakage.
Further, the outer surface of the top end of the valve body moving end 7 is sleeved with a sealing ring 17, the sealing ring 17 is abutted against the inner wall of the sealing valve core 3, the connection effect of the valve body moving end 7 and the sealing valve core 3 is improved, and hydrogen leakage is prevented.
Working principle: this repeatedly usable high pressure hydrogen breaks off valve, when the urgent break away from device of high pressure hydrogen runs into emergency, outwards stimulate valve body remove end 7, with valve body remove end 7 and valve body stiff end 6 separation, simultaneously, spring 5 is the power in the twinkling of an eye, make sealed case 3 outwards pop out, sealed case 3 remove and sealing ring butt, constitute enclosure, prevent high pressure hydrogen to leak outward, ensure user's safety, finally, when needs are used again, only need replace the sealing washer on the valve body remove end 7 surface, make other parts repeatedly usable, the device cost is reduced, the practicality of device has been increased, just so accomplished the use of a repeatedly usable high pressure hydrogen breaks off valve.
Claims (7)
1. The utility model provides a repeatedly used high pressure hydrogen breaks valve which characterized in that: including link (1), valve body (2), sealed case (3), keep away empty ring (4), spring (5), valve body stiff end (6) and valve body remove end (7), the fixed cover of valve body (2) is established on the bottom surface of link (1), keep away empty ring (4) fixed mounting is between link (1) and valve body (2), and the cover is established on the surface of link (1), be formed with intercommunication chamber (10) between the surface of keep away empty ring (4) and the inner wall of valve body (2), the bottom surface cover of link (1) is equipped with sealed case (3), sealed case (3) set up in the inside of keep away empty ring (4), the surface of sealed case (3) is laminated with the inner wall of keep away empty ring (4), the bottom fixed mounting of valve body (2) has valve body stiff end (6), the bottom of valve body stiff end (6) is alternated and is provided with valve body remove end (7), the inside of sealed case (3) is inserted on the top of valve body remove end (7), and with sealed case (3) inner wall (18) of valve body move, valve body (18).
2. A reusable high pressure hydrogen stretch breaking valve according to claim 1, wherein: the spring groove is formed in the bottom end of the connecting end (1), a spring (5) is fixedly installed in the spring groove, and the bottom end of the spring (5) is fixedly connected with the sealing valve core (3).
3. A reusable high pressure hydrogen stretch breaking valve according to claim 1, wherein: the inside fixed mounting of valve body (2) has the sealing ring, the top surface laminating of sealing ring and valve body remove end (7), the sealing ring sets up in the below of sealing spool (3) and clearance ring (4).
4. A reusable high pressure hydrogen stretch breaking valve according to claim 1, wherein: the inside of valve body (2) has seted up fixed chamber, fixed intracavity's inside fixed mounting has snap steel ball spring (14), spacing groove (15) have been seted up to the surface of valve body removal end (7), the inside at spacing groove (15) of one end joint of snap steel ball spring (14).
5. A reusable high pressure hydrogen stretch breaking valve according to claim 1, wherein: the surfaces of the valve body (2) and the valve body fixed end (6) are provided with pin holes (16), and the positions of the pin holes (16) on the valve body (2) and the valve body fixed end (6) correspond to each other.
6. A reusable high pressure hydrogen stretch breaking valve according to claim 1, wherein: still including connecting chamber (8), gas outlet channel (13) have been seted up to the inside of valve body removal end (7), a plurality of connectors (12) have been seted up to the top lateral wall of gas outlet channel (13), connecting hole (11) have been seted up on the surface of keep away empty ring (4), connecting channel (9) have been seted up on the top of connecting chamber (8), connecting channel (9), intercommunication chamber (10), connecting hole (11), connector (12) and gas outlet channel (13) all communicate, constitute a complete gas circuit passageway.
7. A reusable high pressure hydrogen stretch breaking valve according to claim 1, wherein: the outer surface of the top end of the valve body moving end (7) is sleeved with a sealing ring (17), and the sealing ring (17) is abutted with the inner wall of the sealing valve core (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322345406.0U CN220828558U (en) | 2023-08-29 | 2023-08-29 | Repeatedly used high-pressure hydrogen snap-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322345406.0U CN220828558U (en) | 2023-08-29 | 2023-08-29 | Repeatedly used high-pressure hydrogen snap-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220828558U true CN220828558U (en) | 2024-04-23 |
Family
ID=90722756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322345406.0U Active CN220828558U (en) | 2023-08-29 | 2023-08-29 | Repeatedly used high-pressure hydrogen snap-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220828558U (en) |
-
2023
- 2023-08-29 CN CN202322345406.0U patent/CN220828558U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |