CN212360824U - Shaft coupling type hydrogen cylinder valve - Google Patents
Shaft coupling type hydrogen cylinder valve Download PDFInfo
- Publication number
- CN212360824U CN212360824U CN202020798429.0U CN202020798429U CN212360824U CN 212360824 U CN212360824 U CN 212360824U CN 202020798429 U CN202020798429 U CN 202020798429U CN 212360824 U CN212360824 U CN 212360824U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- hydrogen cylinder
- soft sealing
- cylinder valve
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses an associated mode hydrogen cylinder valve, include: a valve body; the valve rod is arranged on the valve body; a pressure cap disposed on the valve stem; a valve disposed on the valve rod; a hand wheel arranged on the valve rod; a spring and a small pressing cap for fixing the hand wheel; the outer sides of the air inlet part and the air outlet part of the valve body are provided with threads; the tail end of the thread of the air inlet part is provided with a clamping groove, an annular pressing plate and a soft sealing ring; the utility model discloses set up draw-in groove, ring clamp and soft sealing washer in the portion of admitting air of valve body, the portion of admitting air and steel bottle threaded connection back of valve body, ring clamp support in the steel bottle port, and soft sealing washer is located and plays sealed effect between ring clamp and the steel bottle port.
Description
Technical Field
The utility model belongs to the technical field of gas cylinder bottle valve, specifically speaking relates to an associated mode hydrogen cylinder valve.
Background
The hydrogen cylinder valve is used for opening and closing the valve device of the hydrogen storage steel cylinder, the hydrogen is dangerous gas, the gas tightness of the hydrogen cylinder valve is very important, and a novel cylinder valve structure is provided for improving the gas tightness performance of the joint of the cylinder valve and the steel cylinder.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to solve the technical problem that an axial-type hydrogen cylinder valve is provided, the not high problem of gas tightness performance of the junction of bottle valve and steel bottle among the prior art is solved.
In order to solve the technical problem, the utility model discloses an associated mode hydrogen cylinder valve, include: a valve body; the valve rod is arranged on the valve body; a pressure cap disposed on the valve stem; a valve disposed on the valve rod; a hand wheel arranged on the valve rod; a spring and a small pressing cap for fixing the hand wheel; the outer sides of the air inlet part and the air outlet part of the valve body are provided with threads; the tail end of the thread of the air inlet part is provided with a clamping groove, an annular pressing plate and a soft sealing ring; a sharp angle groove is arranged in the clamping groove and is arranged obliquely upwards; the soft sealing ring is provided with a sharp corner part and a gasket part.
Further, the air inlet part has two-section inner holes with different diameters.
Further, the air outlet part has two-section inner holes with different diameters.
Further, the section of the sharp corner part is triangular.
Further, the section of the washer part is wavy.
Compared with the prior art, the application can obtain the following technical effects:
the utility model discloses set up draw-in groove, ring clamp and soft sealing washer in the portion of admitting air of valve body, the portion of admitting air and steel bottle threaded connection back of valve body, ring clamp support in the steel bottle port, and soft sealing washer is located and plays sealed effect between ring clamp and the steel bottle port, and sharp corner groove in the draw-in groove and the cooperation of the sharp bight of soft sealing washer avoid soft sealing washer to shift after receiving the extrusion, and the laminating of the high easily compression of wave packing ring portion elasticity, the leakproofness obtains the reinforcing.
Of course, it is not necessary for any one product to achieve all of the above-described technical effects simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic view of a shaft-coupled hydrogen cylinder valve according to an embodiment of the present invention;
fig. 2 is an enlarged schematic view at a in fig. 1.
Reference symbols of the drawings
The valve comprises a valve body 1, a valve rod 2, a pressing cap 3, a valve 4, a hand wheel 5, a spring 6, a small pressing cap 7, an air inlet part 8, an air outlet part 9, threads 10, a clamping groove 11, an annular pressing plate 12, a soft sealing ring 13, a sharp corner groove 14, a sharp corner part 15 and a gasket part 16.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
Referring to fig. 1 and 2, fig. 1 is a schematic view of a shaft-coupled hydrogen cylinder valve according to an embodiment of the present invention; fig. 2 is an enlarged schematic view at a in fig. 1. An axially coupled hydrogen cylinder valve comprising: a valve body 1; a valve rod 2 arranged on the valve body 1; a pressure cap 3 provided to the valve stem 2; a valve 4 arranged on the valve rod 2; a hand wheel 5 arranged on the valve rod 2; a spring 6 and a small pressing cap 7 for fixing the hand wheel 5; the outer sides of the air inlet part 8 and the air outlet part 9 of the valve body 1 are provided with threads 10; the tail end of the thread 10 of the air inlet part 8 is provided with a clamping groove 11, an annular pressing plate 12 and a soft sealing ring 13; a sharp angle groove 14 is formed in the clamping groove 11, and the sharp angle groove 14 is arranged obliquely upwards; the soft seal ring 13 has a sharp corner 15 and a gasket portion 16.
The air inlet part 8 is provided with two-section type inner holes with different diameters, and the air outlet part 9 is provided with two-section type inner holes with different diameters; the sharp corner 15 has a triangular cross-section and the bead portion 16 has a wavy cross-section.
The utility model is provided with a clamping groove 11, an annular pressing plate 12 and a soft sealing ring 13 at the air inlet 8 of the valve body 1, after the air inlet 8 of the valve body 1 is connected with the steel cylinder by screw thread, the annular pressing plate 12 is pressed against the port of the steel cylinder, the soft sealing ring 13 is positioned between the annular pressing plate 12 and the port of the steel cylinder to play a sealing role, and a sharp corner groove 14 in the clamping groove 11 is matched with a sharp corner part of the soft sealing ring 13 to avoid the displacement of the soft sealing ring 13 after being extruded; the wavy gasket portion 16 is high in elasticity and easy to compress and attach, and sealing performance is enhanced.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (5)
1. An axially coupled hydrogen cylinder valve comprising: a valve body;
the valve rod is arranged on the valve body;
a pressure cap disposed on the valve stem;
the valve is arranged on the valve rod;
a hand wheel arranged on the valve rod; and
a spring and a small pressing cap for fixing the hand wheel;
the valve is characterized in that threads are arranged on the outer sides of the air inlet part and the air outlet part of the valve body; the tail end of the thread of the air inlet part is provided with a clamping groove, an annular pressing plate and a soft sealing ring; a sharp corner groove is formed in the clamping groove and is arranged obliquely upwards; the soft sealing ring is provided with a sharp corner part and a gasket part.
2. The shaft-coupled hydrogen cylinder valve of claim 1 wherein the inlet portion has a two-part bore of different diameters.
3. The coupled hydrogen cylinder valve of claim 1, wherein the outlet portion has two-step inner bores with different diameters.
4. The shaft-coupled hydrogen cylinder valve of claim 1 wherein the sharp corner has a triangular cross-section.
5. The shaft-coupled hydrogen cylinder valve as claimed in claim 1, wherein the washer portion has a wave-shaped cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020798429.0U CN212360824U (en) | 2020-05-14 | 2020-05-14 | Shaft coupling type hydrogen cylinder valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020798429.0U CN212360824U (en) | 2020-05-14 | 2020-05-14 | Shaft coupling type hydrogen cylinder valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212360824U true CN212360824U (en) | 2021-01-15 |
Family
ID=74149686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020798429.0U Expired - Fee Related CN212360824U (en) | 2020-05-14 | 2020-05-14 | Shaft coupling type hydrogen cylinder valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212360824U (en) |
-
2020
- 2020-05-14 CN CN202020798429.0U patent/CN212360824U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 Termination date: 20210514 |