CN220119148U - Gas cylinder valve and gas cylinder - Google Patents
Gas cylinder valve and gas cylinder Download PDFInfo
- Publication number
- CN220119148U CN220119148U CN202321213037.3U CN202321213037U CN220119148U CN 220119148 U CN220119148 U CN 220119148U CN 202321213037 U CN202321213037 U CN 202321213037U CN 220119148 U CN220119148 U CN 220119148U
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- sealing
- gas cylinder
- valve seat
- ejector rod
- face
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- 238000007789 sealing Methods 0.000 claims abstract description 155
- 239000004033 plastic Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 abstract description 10
- 239000011259 mixed solution Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 88
- 239000003915 liquefied petroleum gas Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides a gas cylinder valve and a gas cylinder, which comprise a self-closing device, wherein the self-closing device comprises a gas outlet valve seat, a spring ejector rod, an elastic piece and a sealing piece. The sealing part is arranged on the first end face or the second end face, the first end face is the end face of the sealing piece, the second end face is the end face of at least one of the ejector rod and the air outlet valve seat, which faces the sealing piece, so that when the sealing piece is compressed, the sealing part is positioned between the sealing piece and the end face compressed by the sealing piece and seals the sealing piece, and the sealing piece is made of plastic materials. The sealing element made of plastic materials has strong tolerance to LPG, dimethyl ether and mixed solution of the two, so that the sealing element can be normally used for two to three service periods without replacement, the service life of the gas cylinder valve is prolonged, and the maintenance-free aim of the gas cylinder can be met. The sealing part can improve the sealing effect of the sealing element, avoid the problem that the sealing effect is reduced due to the sealing element made of plastic materials, and reduce the probability of gas leakage of the gas cylinder during storage.
Description
Technical Field
The utility model relates to the technical field of gas cylinder valves, in particular to a gas cylinder valve and a gas cylinder.
Background
The gas cylinder valve is a valve arranged on the gas cylinder for controlling the on-off and flow of gas, according to the national standard GB/T7512-2017, the liquefied petroleum gas cylinder valve is required to be provided with a self-closing device, the self-closing device is opened and closed for 1000 times under the nominal working pressure, other abnormal phenomena are avoided, and the gas tightness requirement of 6.3.2 is met.
In the prior art, a self-closing device of a gas cylinder valve is arranged on a valve body and consists of a spring ejector rod, a spring, a gas outlet valve seat, a sealing ring and the like. The sealing gasket is made of rubber, the rubber has poor resistance to LPG (liquefied petroleum gas ), dimethyl ether and mixed solution of the LPG and the dimethyl ether, and the sealing gasket needs to be replaced after a service period (4 years), so that the service life of the gas cylinder valve is short.
Therefore, how to extend the service life of the gas cylinder valve is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
Accordingly, the present utility model is directed to a cylinder valve for prolonging the service life of the cylinder valve.
Another object of the present utility model is to provide a gas cylinder comprising the gas cylinder valve described above.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a gas cylinder valve comprising a valve body provided with a gas cylinder connection interface and a self-closing apparatus comprising:
the air outlet valve seat is arranged in the air bottle connecting interface and is provided with a valve seat sliding hole;
the ejector rod is arranged in the valve seat sliding hole in a sliding manner and at least comprises a first position and a second position, when the ejector rod is positioned at the first position, the space at the two ends of the valve seat sliding hole is blocked by the ejector rod, and when the ejector rod is positioned at the second position, the space at the two ends of the valve seat sliding hole is communicated through the ejector rod;
the sealing piece is arranged on at least one of the ejector rod and the air outlet valve seat, a sealing part is arranged on a first end face or a second end face, the first end face is the end face of the sealing piece, the second end face is the end face of at least one of the ejector rod and the air outlet valve seat facing the sealing piece, the sealing piece is used for sealing the connecting part of the air outlet valve seat and the ejector rod, and the sealing piece is made of plastic materials;
and the elastic piece is used for pushing the ejector rod to move from the second position to the first position so as to compress the sealing piece.
Optionally, in the above gas cylinder valve, the sealing member is made of nylon or polytetrafluoroethylene.
Optionally, in the above gas cylinder valve, the sealing portion is disposed on the second end surface, and the sealing portion has a curved surface structure protruding toward the sealing member.
Optionally, in the above gas cylinder valve, a first limiting part is formed on a side wall in the middle of the valve seat sliding hole;
the ejector rod comprises a sliding part and a second limiting part, the sliding part is connected with the second limiting part, the sliding part is in sliding fit with the first limiting part, the sealing element is used for being pressed between the second limiting part and the first limiting part, and the sealing part is arranged on the end face of at least one of the second limiting part and the first limiting part, which faces the sealing element.
Optionally, in the above gas cylinder valve, the sealing member is sleeved on the sliding portion.
Optionally, in the above gas cylinder valve, the sealing member is in interference fit or adhesive connection with the sliding portion.
Optionally, in the above gas cylinder valve, the sliding portion is of a hollow rod structure, one end of the sliding portion is blocked by the second limiting portion, and the other end of the sliding portion is communicated with the first end of the valve seat sliding hole;
the side wall of the sliding part is provided with an air outlet hole communicated with the hollow part of the sliding part, when the ejector rod is positioned at a first position, the sealing element is pressed, the connection part of the first limiting part and the second limiting part is isolated, the space at two ends of the valve seat sliding hole is cut off, and when the ejector rod is positioned at a second position, the air outlet hole is communicated with the second end of the valve seat sliding hole, so that the space at two ends of the valve seat sliding hole is communicated.
Optionally, in the above gas cylinder valve, the gas outlet holes are a plurality of holes uniformly opened along a circumferential direction of the sliding portion.
Optionally, in the above gas cylinder valve, the elastic member is disposed in the valve seat sliding hole, and one end of the elastic member is connected to the valve seat sliding Kong Di, and the other end of the elastic member is abutted to the ejector rod;
one end of the second limiting part, which is far away from the sealing piece, is provided with a positioning column which is used for being embedded into the elastic piece.
A gas cylinder comprises the gas cylinder valve.
The gas cylinder valve provided by the utility model comprises a valve main body and an automatic closing device, wherein the valve main body is provided with a gas cylinder connecting interface which is used for being communicated with a gas cylinder. The self-closing device comprises an air outlet valve seat, an elastic ejector rod, an elastic piece and a sealing piece. The gas outlet valve seat is arranged in the gas cylinder connecting interface and is provided with a valve seat sliding hole. The ejector rod is slidably arranged in the valve seat sliding hole and at least comprises a first position and a second position, when the ejector rod is positioned at the first position, the space at two ends of the valve seat sliding hole is blocked by the ejector rod, the gas cylinder connection interface is isolated from the outside, and gas in the gas cylinder cannot leak. When the ejector rod is in the second position, the spaces at the two ends of the valve seat sliding hole are communicated through the ejector rod, the gas cylinder connecting interface is communicated with the outside, and the gas cylinder is deflated. The elastic piece is used for pushing the ejector rod to move from the second position to the first position, so that the automatic closing of the outlet of the gas cylinder is realized. The sealing element is arranged on at least one of the ejector rod and the air outlet valve seat, and a sealing part is arranged on the first end face or the second end face, wherein the first end face is the end face of the sealing element, the second end face is the end face of at least one of the ejector rod and the air outlet valve seat, which faces the sealing element, namely, the sealing part is arranged on one of the end face of the sealing element and the end face mutually attached to the end face of the sealing element, so that when the sealing element is pressed, the sealing part is positioned between the sealing element and the end face pressed by the sealing element, the sealing element can seal the connecting part of the air outlet valve seat and the ejector rod, and the sealing element is made of plastic materials. .
Compared with the prior art, the sealing element of the gas cylinder valve is made of plastic, the sealing element made of plastic is good in corrosion resistance and ageing resistance, and strong in resistance to LPG, dimethyl ether and mixed solution of the two, so that the sealing element can be normally used for two to three service periods without replacement, the service life of the gas cylinder valve is prolonged, and the gas cylinder valve can be suitable for a gas cylinder with a longer service life so as to meet the maintenance-free aim of the gas cylinder. According to the gas cylinder valve disclosed by the embodiment of the utility model, the sealing effect of the sealing element is improved through the sealing part, the problem that the sealing effect is reduced due to the fact that the sealing element made of plastic is used is avoided, and the probability of gas leakage of the gas cylinder during storage is reduced.
The gas cylinder provided by the utility model comprises the gas cylinder valve, so that the gas cylinder has the advantages, and the description is omitted.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a cylinder valve according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of another cylinder valve according to an embodiment of the present utility model; .
Wherein 100 is a valve main body, 110 is a gas cylinder connection interface, 200 is a self-closing device, 210 is a gas outlet valve seat, 211 is a first sealing part, 220 is an elastic piece, 230 is an ejector rod, 231 is a positioning column, 232 is a second limiting part, 233 is a sliding part, 234 is a second sealing part, and 240 is a sealing piece.
Detailed Description
The utility model discloses a gas cylinder valve to prolong the service life of the gas cylinder valve.
Another core of the present utility model is to disclose a gas cylinder comprising the gas cylinder valve described above.
Hereinafter, embodiments will be described with reference to the drawings. Furthermore, the embodiments shown below do not limit the summary of the utility model described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the utility model described in the claims.
Referring to fig. 1, the gas cylinder valve disclosed in the embodiment of the present utility model includes a valve body 100 and a self-closing apparatus 200, the valve body 100 is provided with a gas cylinder connection interface 110, and the gas cylinder connection interface 110 is used for communicating with a gas cylinder. The self-closing apparatus 200 includes an air outlet valve seat 210, a spring post 230, an elastic member 220, and a sealing member 240.
The gas outlet valve seat 210 is disposed in the gas cylinder connection port 110 and is provided with a valve seat slide hole. The ejector rod 230 is slidably disposed in the valve seat sliding hole and at least includes a first position and a second position, when the ejector rod 230 is in the first position, the space at two ends of the valve seat sliding hole is blocked by the ejector rod 230, the gas cylinder connection interface 110 is isolated from the outside, and the gas in the gas cylinder cannot leak. When the ejector rod 230 is at the second position, the spaces at the two ends of the valve seat sliding hole are communicated through the ejector rod 230, the gas cylinder connecting interface 110 is communicated with the outside, and the gas cylinder is deflated. The elastic member 220 is used for pushing the ejector rod 230 to move from the second position to the first position, so as to realize automatic closing of the outlet of the gas cylinder. The sealing member 240 is disposed at least on one of the ejector pin 230 and the air outlet valve seat 210, and a sealing portion is disposed on the first end surface or the second end surface, wherein the first end surface is an end surface of the sealing member 240, the second end surface is an end surface of at least one of the ejector pin 230 and the air outlet valve seat 210 facing the sealing member 240, that is, the sealing portion is disposed on one of the end surface of the sealing member 240 and an end surface mutually abutting with the end surface of the sealing member 240, so that when the sealing member 240 is compressed, the sealing portion is located between the sealing member 240 and the end surface compressed by the sealing member 240, so that the sealing member 240 can seal a connection portion between the air outlet valve seat 210 and the ejector pin 230, and the sealing member 240 is made of plastic material.
Compared with the prior art, the sealing element 240 of the gas cylinder valve disclosed by the embodiment of the utility model is made of plastic, the sealing element 240 made of plastic has better corrosion resistance and aging resistance, and has stronger resistance to LPG, dimethyl ether and mixed solution of the two, so that the sealing element 240 can be normally used for two to three service periods (8 to 12 years) without replacement, further the service life of the gas cylinder valve is prolonged, and the gas cylinder valve can be suitable for a gas cylinder with a longer service life (such as a liquefied petroleum gas cylinder) so as to meet the maintenance-free aim of the gas cylinder. According to the gas cylinder valve disclosed by the embodiment of the utility model, the sealing effect of the sealing element 240 is improved through the sealing part, the problem that the sealing effect is reduced due to the fact that the sealing element 240 made of plastic is used is avoided, and the probability of gas leakage of the gas cylinder during storage is reduced.
Specifically, the sealing member 240 may be an O-ring gasket made of hard plastic such as nylon or polytetrafluoroethylene.
In order to ensure the sealing effect of the elastic member 220, the sealing portion is disposed on the second end surface, and the sealing portion has a curved surface structure protruding toward the direction of the sealing member 240, the end surface of the sealing member 220 abutting against the sealing portion has a planar structure, and the sealing effect of the sealing member 240 can be improved by extrusion between the protruding structure and the planar structure. With reference to fig. 1 and fig. 3, the convex curved surface structure of the sealing portion can ensure that the sealing member 240 is tightly attached to the sealing portion when the ejector pin 230 is in the first position, so as to avoid gas leakage.
When the seal portion is provided on the first end face (end face of the seal 240), the seal portion has a curved surface structure protruding toward both ends of the seal 240, and abuts against the flat surface structure of the ejector pin 230 and the air outlet valve seat 210. The sealing portion may be provided only on an end surface of one end of the sealing member 240.
Specifically, the curved surface of the convex curved surface structure may be circular arc, pointed, hyperbolic, etc.
In a specific embodiment of the disclosure, a first limiting portion is formed on a side wall of the middle portion of the valve seat sliding hole. The ejector rod 230 includes a sliding portion 233 and a second limiting portion 232, the sliding portion 233 is connected to the ejector rod 230, the sliding portion 233 is slidably matched with the first limiting portion, and the sealing member 240 is pressed between the second limiting portion 232 and the first limiting portion. When the gas outlet of the gas cylinder is closed, the elastic piece 220 is pressed between the first limiting part and the second limiting part 232, and is tightly attached to realize sealing, so that gas leakage is avoided.
The sealing portion is disposed on an end surface of at least one of the second limiting portion 232 and the first limiting portion facing the sealing member 240, so as to be closely attached to the sealing member 240. In fig. 1, the sealing portions are disposed on the end surfaces of the second limiting portion 232 and the first limiting portion facing the sealing member 240, and the sealing portion disposed on the first limiting portion is defined as a first sealing portion 211, and the sealing portion disposed on the second limiting portion 232 is defined as a second sealing portion 234. When the ejector pin 230 is in the first position, the seal 240 is compressed between the first seal portion 211 and the second seal portion 234. The first sealing portion 211 and the second sealing portion 234 provided at the same time effectively ensure the sealing effect of the sealing member 240, and reduce the occurrence of gas leakage.
In fig. 3, only the first seal portion 211 is provided on the end surface of the first stopper facing the seal 240, and the seal 240 is pressed between the first seal portion 211 and the second stopper 232 when the ejector pin 230 is in the first position. The sealing portion may be disposed only on the end surface of the second limiting portion 232 facing the sealing member 240, which also has an effect of improving air-tightness as compared with the prior art.
It will be appreciated by those skilled in the art that the sealing portion may also be a labyrinth structure disposed on the end surface of the ejector rod 230 and/or the air outlet valve seat 210 facing the sealing member 240, and may also have an effect of reducing air leakage by cooperating with the sealing member 240.
The extrusion between the planar structure and the convex structure of the sealing part improves the sealing effect of the sealing element 240, and can be used for sealing scenes of various valve bodies.
In a specific embodiment, as shown in fig. 2, the sealing member 240 is sleeved on the sliding portion 233, and the sealing member 240 moves synchronously with the movement of the ejector pin 230 between the first position and the second position, so as to avoid that the sealing member 240 still fits with the first limiting portion to affect the air outlet efficiency when the ejector pin 230 moves to the second position to be deflated.
Further, in order to ensure that the seal 240 follows the ejector pin 230, the seal 240 and the sliding portion 233 are reliably connected, and the seal 240 and the sliding portion 233 may be connected in an interference fit manner or bonded by using an adhesive. It should be noted that, referring to fig. 2, the sealing member 240 is sleeved at an end of the sliding portion 233 away from the second limiting portion 232, so the size of the sealing member 240 should be reasonably selected according to the size of the sliding portion 233.
The seal 240 may also be provided on the first limit portion of the outlet valve seat 210, or on both the first limit portion and the sliding portion 233. When two sealing members 240 are provided on the first limiting portion and the sliding portion 233, the sealing portion is provided on an end surface of one of the two sealing members 240, and the sealing portion abuts against the other sealing member 240.
In a specific embodiment of the present disclosure, the sliding portion 233 has a hollow rod structure, one end of the sliding portion 233 is blocked by the second limiting portion 232, and the other end is communicated with the first end of the valve seat sliding hole. The side wall of the sliding part 233 is provided with an air outlet hole communicated with the hollow part of the sliding part 233, when the ejector rod 230 is positioned at the first position, the sealing piece 240 is pressed, the connection part of the first limiting part and the second limiting part 232 is isolated by the sealing piece 240, so that the space at the two ends of the valve seat sliding hole is blocked, and the air outlet of the air bottle is closed; when the ejector rod 230 is at the second position, the air outlet hole is communicated with the second end of the valve seat sliding hole, so that the space at two ends of the valve seat sliding hole is communicated, and the air bottle can be deflated.
In order to facilitate the inflation device or the pressure regulator to push the ejector rod 230 to move for deflation of the gas cylinder, the second end of the second limiting part 232 is provided with a positioning groove, the positioning groove is communicated with the hollow part of the sliding part 233, and the inflation device or the pressure regulator can be inserted into the positioning groove through the hollow part of the sliding part 233, so that the inflation device or the pressure regulator can push the ejector rod 230 to move from the first position to the second position, and the spaces at the two ends of the sliding hole of the valve seat are communicated, so that liquefied petroleum gas can flow out from the gas outlet hole of the ejector rod 230 by means of pressure difference, and the gas cylinder valve is opened. When the inflator or the pressure regulator is removed, the ejector rod 230 is automatically reset from the second position to the first position under the pushing of the elastic member 220, and the space at both ends of the sliding hole of the valve seat is blocked by the ejector rod 230, so as to realize the automatic closing of the gas cylinder valve.
In order to avoid clogging, the number of the air outlet holes may be a plurality of, for example, 4, holes that are uniformly opened in the circumferential direction of the sliding portion 233.
Referring to fig. 1, the elastic member 220 is disposed in the valve seat sliding hole, and has one end connected to the valve seat sliding Kong Di and the other end abutting against the ejector pin 230, so that the ejector pin 230 can move between the first position and the second position.
In a specific embodiment, an end of the second limiting portion 232 away from the sealing member 240 is provided with a positioning post 231 for being embedded in the elastic member 220. The elastic member 220 is used for providing a pre-tightening force, which may be a spring, and the positioning post 231 is embedded in the middle of the spring. The spring parameters are reasonably set, so that the elastic piece 220 can reliably automatically close the valve (the elastic ejector rod 230 and the air outlet valve seat 210 can be pushed to be closely attached, the pressure meets the sealing requirement), and the elastic ejector rod 230 is pushed away by the inflation device or the pressure regulator against the pressure of the spring to deflate.
The gas cylinder disclosed by the embodiment of the utility model comprises the gas cylinder valve, so that the gas cylinder has the advantages, and the description is omitted here.
The terms first and second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements but may include steps or elements not expressly listed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A gas cylinder valve characterized by comprising a valve body (100) and a self-closing apparatus (200), the valve body (100) being provided with a gas cylinder connection interface (110), the self-closing apparatus (200) comprising:
the air outlet valve seat (210) is arranged in the air bottle connecting interface (110) and is provided with a valve seat sliding hole;
the ejector rod (230) is slidably arranged in the valve seat sliding hole and at least comprises a first position and a second position, when the ejector rod (230) is positioned at the first position, the space at two ends of the valve seat sliding hole is blocked by the ejector rod (230), and when the ejector rod (230) is positioned at the second position, the space at two ends of the valve seat sliding hole is communicated through the ejector rod (230);
a sealing member (240) which is at least arranged on one of the ejector rod (230) and the air outlet valve seat (210), and is provided with a sealing part on a first end face or a second end face, wherein the first end face is the end face of the sealing member (240), the second end face is the end face of at least one of the ejector rod (230) and the air outlet valve seat (210) facing the sealing member (240), the sealing member (240) is used for sealing the connecting part of the air outlet valve seat (210) and the ejector rod (230), and the sealing member (240) is made of plastic materials;
and the elastic piece (220) is used for pushing the ejector rod (230) to move from the second position to the first position so as to compress the sealing piece (240).
2. The cylinder valve according to claim 1, characterized in that the seal (240) is of nylon or polytetrafluoroethylene material.
3. The cylinder valve according to claim 1, wherein the sealing portion is provided on the second end face, and the sealing portion has a curved surface structure protruding toward the sealing member (240).
4. The gas cylinder valve as set forth in claim 1, wherein a first limit portion is formed on a side wall of a middle portion of the valve seat slide hole;
the ejector rod (230) comprises a sliding part (233) and a second limiting part (232), the sliding part (233) is connected with the second limiting part (232), the sliding part (233) is in sliding fit with the first limiting part, the sealing piece (240) is used for being pressed between the second limiting part (232) and the first limiting part, and the sealing part is arranged on the end face of at least one of the second limiting part (232) and the first limiting part, which faces the sealing piece (240).
5. The cylinder valve according to claim 4, characterized in that the sealing member (240) is sleeved on the sliding portion (233).
6. The cylinder valve according to claim 5, characterized in that the seal (240) is an interference fit or an adhesive connection with the slide (233).
7. The gas cylinder valve according to claim 4, wherein the sliding portion (233) has a hollow rod structure, one end of the sliding portion (233) is blocked by the second limiting portion (232), and the other end is communicated with the first end of the valve seat sliding hole;
the side wall of the sliding part (233) is provided with an air outlet hole communicated with the hollow part of the sliding part (233), when the ejector rod (230) is positioned at a first position, the sealing element (240) is pressed, the connection part of the first limiting part and the second limiting part (232) is isolated, the space at two ends of the valve seat sliding hole is cut off, and when the ejector rod (230) is positioned at a second position, the air outlet hole is communicated with the second end of the valve seat sliding hole, so that the space at two ends of the valve seat sliding hole is communicated.
8. The gas cylinder valve according to claim 7, wherein the gas outlet holes are provided in a plurality uniformly opened along the circumferential direction of the sliding portion (233).
9. The cylinder valve according to claim 4, wherein the elastic member (220) is disposed in the valve seat slide hole, and has one end connected to the valve seat slide Kong Di and the other end abutting against the ejector rod (230);
one end of the second limiting part (232) far away from the sealing piece (240) is provided with a positioning column (231) used for being embedded into the elastic piece (220).
10. A gas cylinder comprising a gas cylinder valve according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321213037.3U CN220119148U (en) | 2023-05-18 | 2023-05-18 | Gas cylinder valve and gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321213037.3U CN220119148U (en) | 2023-05-18 | 2023-05-18 | Gas cylinder valve and gas cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220119148U true CN220119148U (en) | 2023-12-01 |
Family
ID=88915460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321213037.3U Active CN220119148U (en) | 2023-05-18 | 2023-05-18 | Gas cylinder valve and gas cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220119148U (en) |
-
2023
- 2023-05-18 CN CN202321213037.3U patent/CN220119148U/en active Active
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