CN219263291U - High-temperature automatic closing quick-connection valve - Google Patents
High-temperature automatic closing quick-connection valve Download PDFInfo
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- CN219263291U CN219263291U CN202320330829.2U CN202320330829U CN219263291U CN 219263291 U CN219263291 U CN 219263291U CN 202320330829 U CN202320330829 U CN 202320330829U CN 219263291 U CN219263291 U CN 219263291U
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- core
- valve seat
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- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 13
- 239000000155 melt Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 14
- 239000002737 fuel gas Substances 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 238000004880 explosion Methods 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of valves, in particular to a high-temperature automatic closing quick-connection valve; the female connector comprises a valve body and a valve seat positioned at one end of the valve body, a first channel is formed in the valve body and the valve seat, a valve core is arranged in the first channel, and the valve core is in sealing connection with the valve seat to partition the first channel into an upper channel and a lower channel; the male connector comprises a connector body, a second channel is arranged in the connector body, a plastic core is arranged at one end of the second channel, and a third channel is arranged in the plastic core; when one end of the male connector is inserted into the upper channel, the plastic core acts on the valve core to enable the valve core to be separated from the valve seat and communicated with the second channel and the lower channel; after the plastic core reaches the melting point, melting, and resetting and closing the valve core; when the plastic core of the utility model is in fire, the plastic core can automatically melt when the temperature rises to the melting point of the plastic core, thereby achieving the purpose of automatic closing, cutting off the transportation of liquefied gas or fuel gas, and avoiding personnel injury caused by closing a valve and secondary ignition explosion accidents caused by gas escape.
Description
Technical field:
the utility model belongs to the technical field of valves, and particularly relates to a high-temperature automatic closing quick-connection valve.
The background technology is as follows:
conventional connectors do not have an automatic closing function. When a fire is encountered, the gas valve is in an open state, and then the gas valve needs to be closed manually. There is a possibility of injury to the person during this process. If the gas valve is not closed, a second ignition explosion accident is likely to be caused by gas escape.
The utility model comprises the following steps:
the utility model aims to provide a high-temperature automatic closing quick-connection valve which can achieve automatic closing through melting of a plastic core so as to avoid personnel injury caused by valve closing and secondary ignition explosion accidents caused by gas escape.
The utility model is realized in the following way:
the high-temperature automatic closing quick-connection valve comprises a female connector and a male connector, wherein the female connector comprises a valve body and a valve seat positioned at one end of the valve body, a first channel is formed in the valve body and the valve seat, a valve core is arranged in the first channel and is elastically connected with the valve body through an elastic piece, and the valve core is in sealing connection with the valve seat to partition the first channel into an upper channel and a lower channel in an initial state; the male connector comprises a connector body, a second channel is arranged in the connector body, a plastic core is arranged at one end of the second channel, and a third channel communicated with the second channel is arranged in the plastic core; when one end of the male connector is inserted into the upper channel, the plastic core acts on the valve core to enable the valve core to compress the elastic piece and be communicated with the second channel and the lower channel separately; the plastic core melts after reaching the melting point, and the elastic piece drives the valve core to reset so that the valve core is in sealing connection with the valve seat to separate the second channel from the lower channel.
In the high-temperature automatic closing quick-connection valve, the lower end of the valve seat is in threaded connection with the upper end of the valve body, and a first sealing ring is arranged between the valve seat and the valve body.
In the high-temperature automatic closing quick-connection valve, cylindrical pin installation channels are symmetrically arranged on the side wall of the upper end of the valve seat, the cylindrical pin installation channels are obliquely arranged along the side wall, one end of each cylindrical pin installation channel, which is located on the inner side wall of the valve seat, is higher than one end, which is located on the outer side wall of the valve seat, of each cylindrical pin, the cylindrical pins are arranged in the cylindrical pin installation channels, the axis of each cylindrical pin is perpendicular to the axis of the valve seat, and two ends of each cylindrical pin extend out of the outer side wall of the valve seat.
In the high-temperature automatic closing quick-connection valve, the movable sleeve is sleeved on the valve seat, the lower check ring is arranged between the movable sleeve and the upper end of the valve body, the upper check ring is arranged between the movable sleeve and the valve seat, the upper check ring is elastically connected with the lower check ring through the first spring, the upper end of the movable sleeve is provided with the step surface, two ends of the cylindrical pin are limited between the step surface and the upper check ring through the first spring, and the upper end of the valve seat is provided with the clamp spring for axially limiting the movable sleeve.
In the high-temperature automatic closing quick-connection valve, the elastic piece is a second spring, a first spring seat is arranged in the lower channel of the valve body, a second spring seat is arranged at the bottom of the valve core, and two ends of the second spring are respectively propped against the first spring seat and the second spring seat.
In the high-temperature automatic closing quick-connection valve, the lower end of the valve seat is provided with the first conical surface, the lower end of the valve core is provided with the second conical surface matched with the first conical surface, and in an initial state, the first conical surface is in fit with the second conical surface.
In the above-mentioned high-temperature automatic closing quick-connection valve, the second conical surface is provided with an annular groove, a second sealing ring is arranged in the annular groove, and the second sealing ring seals the first conical surface and the second conical surface.
In the above-mentioned high temperature self-closing quick-connect valve, the lower end of the second passageway of the joint body is provided with a first diameter-enlarging portion and a second diameter-enlarging portion, the diameter of the first diameter-enlarging portion is greater than the diameter of the second diameter-enlarging portion, the upper end of the plastic core comprises a plurality of circumferentially distributed clamping joints, the plastic core is arranged in the first diameter-enlarging portion, and the clamping joints are clamped in the second diameter-enlarging portion.
In the high-temperature automatic closing quick-connection valve, a third sealing ring for sealing the joint body and the inner wall of the valve seat is arranged in the valve seat.
Compared with the prior art, the utility model has the outstanding advantages that:
when a fire disaster occurs, the plastic core of the utility model can automatically melt when the temperature rises to the melting point of the plastic core, so that the valve core blocks the channel, the purpose of automatic closing is achieved, the transportation of liquefied gas or fuel gas is cut off, the injury of personnel caused by closing the valve and the secondary ignition explosion accident caused by the escape of the gas are avoided, and the use safety is greatly improved.
Description of the drawings:
FIG. 1 is an exploded view of a male connector and a female connector of the present utility model;
FIG. 2 is a schematic view of the present utility model in a normal operating condition;
fig. 3 is a schematic view of the high temperature state of the present utility model.
In the figure: 1. a female joint; 2. a male connector; 3. a valve body; 4. a valve seat; 5. a valve core; 6. an upper channel; 7. a lower channel; 8. a joint body; 9. a second channel; 10. a plastic core; 11. a third channel; 12. a first seal ring; 13. a cylindrical pin mounting channel; 14. a cylindrical pin; 15. a clamping groove; 16. a movable sleeve; 17. a lower retainer ring; 18. an upper retainer ring; 19. a first spring; 20. a step surface; 21. clamping springs; 22 a first spring seat; 23, a second spring seat; 24. a second seal ring; 25. a clamping joint; 26. a third seal ring; 27. and a second spring.
The specific embodiment is as follows:
the utility model is further described below with reference to the specific examples, see fig. 1-3:
the utility model provides a high-temperature automatic closing quick-connection valve, which comprises a female connector 1 and a male connector 2, wherein the female connector 1 and the male connector 2 are respectively connected with a pipeline for conveying liquefied gas or fuel gas, and the liquefied gas or fuel gas is conveyed through the pipeline for conveying the liquefied gas or fuel gas and the quick-connection valve. The female connector 1 comprises a valve body 3 and a valve seat 4 positioned at one end of the valve body 3, wherein a first channel is formed in the valve body 3 and the valve seat 4, a valve core 5 is arranged in the first channel, the valve core 5 is elastically connected with the valve body 3 through an elastic piece, and the valve core 5 is in sealing connection with the valve seat 4 in an initial state to partition the first channel into an upper channel 6 and a lower channel 7; the male connector 2 comprises a connector body 8, a second channel 9 is arranged in the connector body 8, a plastic core 10 is arranged at one end of the second channel 9, and a third channel 11 communicated with the second channel 9 is arranged in the plastic core 10; when one end of the male connector 2 is inserted into the upper channel 7, the plastic core 10 acts on the valve core 5 to enable the valve core 5 to compress the elastic element and be in separation communication with the valve seat 4 and the second channel 9 and the lower channel 6, when a fire occurs in a normal working state, the environment temperature can rise, after the temperature reaches the melting point of the plastic core 10, the plastic core 10 melts, the force acting on the elastic element disappears at the moment, and the elastic element drives the valve core 5 to reset so that the valve core 5 is in sealing connection with the valve seat 4 and the second channel 9 and the lower channel 6 are separated. Therefore, the transportation of liquefied gas or fuel gas is cut off, personnel injury caused by closing a valve and secondary ignition explosion accidents caused by gas escape are avoided, and the use safety is greatly improved. Thus, the high temperature herein refers to the melting point temperature of the plastic core 10.
In this embodiment, the valve seat 4 and the valve body 1 are of a split structure, so that the processing is more convenient. The lower end of the valve seat 4 is in threaded connection with the upper end of the valve body 1, and a first sealing ring 12 is arranged between the valve seat 4 and the valve body 1, so that leakage between the valve seat and the valve body 1 is avoided.
In order to realize the connection of male joint 1 and female joint 2, the symmetry is provided with cylindric lock installation passageway 13 on the lateral wall of disk seat 4 upper end, cylindric lock installation passageway 13 sets up along the lateral wall slope, and cylindric lock installation passageway 13 is located the one end that is higher than the one end that is located disk seat 4 lateral wall of disk seat 4 inside wall, cylindric lock 14 sets up in cylindric lock installation passageway 13, and cylindric lock 14's axis perpendicular to disk seat 4's axis, outside the lateral wall of disk seat 4 is stretched out at cylindric lock 14's both ends, be provided with on the lateral wall of the joint body 8 of male joint 2 with cylindric lock 14 joint groove 15.
Further, a movable sleeve 16 is sleeved on the valve seat 4, a lower check ring 17 is arranged between the movable sleeve 16 and the upper end of the valve body 1, an upper check ring 18 is arranged between the movable sleeve 16 and the valve seat 4, the upper check ring 18 and the lower check ring 17 are elastically connected through a first spring 19, a step surface 20 is arranged at the upper end of the movable sleeve 16, two ends of the cylindrical pin 14 are limited between the step surface 20 and the upper check ring 17 through the first spring 19, and a clamp spring 21 for axially limiting the movable sleeve 16 is arranged at the upper end of the valve seat 4.
When connected, the connector body 8 is inserted into the upper channel 7, and the connector body 8 acts on the cylindrical pin 14 to generate downward acting force, so that the first spring 19 is slightly compressed until the connector body 8 is inserted into place. At this time, the cylindrical pin 14 is clamped into the clamping groove 15 on the outer side wall of the connector body 8 under the action of the first spring 19, so as to fix the male connector 2 and the female connector 1. The valve seat 4 is internally provided with a third sealing ring 26 for sealing the joint body 8 and the inner wall of the valve seat 4, so that leakage between the joint body 8 and the valve seat 4 is avoided.
When the male connector is disassembled, the movable sleeve 16 is pressed downwards by hands, so that the cylindrical pin 14 is driven to move downwards along the cylindrical pin installation channel 13, the cylindrical pin 14 is separated from the clamping groove 15, and the male connector 2 and the female connector 1 can be separated at the moment.
In this embodiment, the elastic member is a second spring 27, a first spring seat 22 is disposed in the lower channel 6 of the valve body 1, a second spring seat 23 is disposed at the bottom of the valve core 5, and two ends of the second spring 20 respectively abut against the first spring seat 22 and the second spring seat 23.
Further, a first conical surface is arranged at the lower end of the valve seat 4, a second conical surface matched with the first conical surface is arranged at the lower end of the valve core 5, and the first conical surface and the second conical surface are in fit arrangement in an initial state.
In order to improve the tightness, the second conical surface is provided with an annular groove, a second sealing ring 24 is arranged in the annular groove, and the second sealing ring 24 seals the first conical surface and the second conical surface.
In this embodiment, the connection structure between the plastic core 10 and the connector body 8 is specifically as follows: the lower end of the second channel 9 of the connector body 8 is provided with a first diameter-expanding portion and a second diameter-expanding portion, the diameter of the first diameter-expanding portion is larger than that of the second diameter-expanding portion, the upper end of the plastic core 10 comprises a plurality of circumferentially distributed clamping connectors 25, the plastic core 10 is arranged in the first diameter-expanding portion, and the plastic core 10 is generally in tight fit connection with the first diameter-expanding portion. The clamping connector 25 can deform, so that the plastic core 10 is convenient to install, and meanwhile, the clamping connector 25 is clamped in the second diameter-expanding part, so that the plastic core 10 and the connector body 8 are fixedly connected.
The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. The utility model provides a high temperature self-closing connects valve soon, includes female joint (1) and public joint (2), its characterized in that: the female connector (1) comprises a valve body (3) and a valve seat (4) positioned at one end of the valve body (3), a first channel is formed in the valve body (3) and the valve seat (4), a valve core (5) is arranged in the first channel, the valve core (5) is elastically connected with the valve body (3) through an elastic piece, and the valve core (5) is in sealing connection with the valve seat (4) to partition the first channel into an upper channel (6) and a lower channel (7) in an initial state; the male connector (2) comprises a connector body (8), a second channel (9) is arranged in the connector body (8), a plastic core (10) is arranged at one end of the second channel (9), and a third channel (11) communicated with the second channel (9) is arranged in the plastic core (10); when one end of the male connector (2) is inserted into the upper channel (6), the plastic core (10) acts on the valve core (5) to enable the valve core (5) to compress the elastic piece and be communicated with the second channel (9) and the lower channel (7) in a separated mode with the valve seat (4); the plastic core (10) melts after reaching the melting point, and the elastic piece drives the valve core (5) to reset, so that the valve core (5) is in sealing connection with the valve seat (4) to separate the second channel (9) and the lower channel (7).
2. The high temperature self-closing quick connect valve of claim 1 wherein: the lower end of the valve seat (4) is in threaded connection with the upper end of the valve body (3), and a first sealing ring (12) is arranged between the valve seat (4) and the valve body (3).
3. The high temperature self-closing quick connect valve of claim 1 wherein: the side wall of disk seat (4) upper end is last the symmetry to be provided with cylindric lock installation passageway (13), cylindric lock installation passageway (13) are along the side wall slope setting, and cylindric lock installation passageway (13) are located the one end that is higher than the one end that is located disk seat (4) lateral wall of disk seat (4) inside wall, cylindric lock (14) set up in cylindric lock installation passageway (13), and the axis of cylindric lock (14) perpendicular to disk seat (4) axis, outside the lateral wall of disk seat (4) is stretched out at cylindric lock (14) both ends.
4. A high temperature self-closing quick connect valve as defined in claim 3 wherein: the valve seat is characterized in that a movable sleeve (15) is sleeved on the valve seat (4), a lower check ring (17) is arranged between the movable sleeve (15) and the upper end of the valve body (3), an upper check ring (18) is arranged between the movable sleeve (15) and the valve seat (4), the upper check ring (18) is elastically connected with the lower check ring (17) through a first spring (19), a step surface (20) is arranged at the upper end of the movable sleeve (15), two ends of the cylindrical pin (14) are limited between the step surface (20) and the upper check ring (18) through the first spring (19), and a clamp spring (21) for axially limiting the movable sleeve (15) is arranged at the upper end of the valve seat (4).
5. The high temperature self-closing quick connect valve of claim 1 wherein: the elastic piece is a second spring (27), a first spring seat (22) is arranged in a lower channel (7) of the valve body (3), a second spring seat (23) is arranged at the bottom of the valve core (5), and two ends of the second spring (27) are respectively propped against the first spring seat (22) and the second spring seat (23).
6. The high temperature self-closing quick connect valve of claim 1 wherein: the lower extreme of disk seat (4) is provided with first conical surface, the lower extreme of case (5) is provided with the second conical surface with first conical surface looks adaptation, and under the initial state, first conical surface and second conical surface laminating set up.
7. The high temperature self-closing quick connect valve of claim 6 wherein: the second conical surface is provided with an annular groove, a second sealing ring (24) is arranged in the annular groove, and the second sealing ring (24) seals the first conical surface and the second conical surface.
8. The high temperature self-closing quick connect valve of claim 1 wherein: the lower end of the second channel (9) of the connector body (8) is provided with a first diameter expansion part and a second diameter expansion part, the diameter of the first diameter expansion part is larger than that of the second diameter expansion part, the upper end of the plastic core (10) comprises a plurality of clamping connectors (25) which are circumferentially distributed, the plastic core (10) is arranged in the first diameter expansion part, and the clamping connectors (25) are clamped in the second diameter expansion part.
9. The high temperature self-closing quick connect valve of claim 1 wherein: a third sealing ring (26) used for sealing the joint body (8) and the inner wall of the valve seat (4) is arranged in the valve seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320330829.2U CN219263291U (en) | 2023-02-22 | 2023-02-22 | High-temperature automatic closing quick-connection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320330829.2U CN219263291U (en) | 2023-02-22 | 2023-02-22 | High-temperature automatic closing quick-connection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219263291U true CN219263291U (en) | 2023-06-27 |
Family
ID=86855575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320330829.2U Active CN219263291U (en) | 2023-02-22 | 2023-02-22 | High-temperature automatic closing quick-connection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219263291U (en) |
-
2023
- 2023-02-22 CN CN202320330829.2U patent/CN219263291U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |