CN218671619U - Airtight test joint device of high-pressure seamless gas cylinder - Google Patents
Airtight test joint device of high-pressure seamless gas cylinder Download PDFInfo
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- CN218671619U CN218671619U CN202223400835.5U CN202223400835U CN218671619U CN 218671619 U CN218671619 U CN 218671619U CN 202223400835 U CN202223400835 U CN 202223400835U CN 218671619 U CN218671619 U CN 218671619U
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- Prior art keywords
- connector
- gas cylinder
- outer end
- joint device
- hexagonal
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- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000010030 laminating Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 210000003437 trachea Anatomy 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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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Abstract
The utility model discloses an airtight test piecing devices of seamless gas cylinder of high pressure, including the gas cylinder valve, the gas cylinder valve sets up hickey outward, hickey's surface mounting has the connector, connector inner surface is provided with the air guide trachea, the connector outer end sets up annular convex seat, the surface of connector has cup jointed hexagonal concave cover, hexagonal concave cover passes through threaded connection at hickey's surface, adopts plug-in type connector structure, and the outer end sets up the laminating extrusion of sealing washer in hickey, and hexagonal concave cover locking is fixed after, can increase leakproofness and stability.
Description
Technical Field
The utility model relates to a seamless gas cylinder connects the field, more specifically says, relates to airtight test piecing devices of seamless gas cylinder of high pressure.
Background
When the CNG gas cylinder is subjected to gas tightness test, 20MPa of gas pressure needs to be filled into the CNG gas cylinder, a gas source is connected with a gas cylinder valve through a joint, and the joint has very reliable sealing performance;
in the existing connecting joint, the joint is in butt joint and fitting, thread locking and plane combination butt joint during connection, the pressure range borne by the joint connection part is small during pipeline pressurization, air leakage is easy to occur during pressurization airtight test, and the sealing stability is still required to be improved.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide an airtight test piecing devices of seamless gas cylinder of high pressure adopts plug-in type to take over the head structure, and the outer end sets up the laminating extrusion of sealing washer in the nipple, and hexagonal concave cover locking is fixed after, can increase leakproofness and stability.
In order to solve the above problems, the utility model adopts the following technical proposal.
Airtight test piecing devices of seamless gas cylinder of high pressure, including the gas cylinder valve, the gas cylinder valve sets up threaded connection outward, threaded connection's outer surface mounting has the connector, connector inner surface is provided with the air guide pipe, the connector outer end sets up the annular convex seat, the concave cover of hexagonal has been cup jointed to the surface of connector, the concave cover of hexagonal passes through threaded connection at threaded connection's surface, adopts plug-in type connector structure, and the outer end sets up the laminating of sealing washer and extrudees in threaded connection, and the concave cover of hexagonal locks fixed back, can increase leakproofness and stability.
Further, the outer end of the pipe joint is inserted into the inner side surface of the threaded connector, the outer surface of the pipe joint is sleeved with the sealing ring, the sealing ring is extruded on the inner side surface of the threaded connector, the pipe joint is convenient to insert and seal, and the inner wall of the threaded connector can be attached to the sealing ring to seal after the pipe joint is inserted.
Further, the outer end surface of the connector is sleeved with a sealing gasket, and the sealing gasket is attached to the outer end surface of the threaded connector, so that the connector is convenient to attach and seal.
Furthermore, the outer surface of the pipe joint is provided with a positioning ring groove, and the sealing ring is clamped into the inner side surface of the positioning ring groove, so that the pipe joint is convenient to mount.
Furthermore, the outer end of the annular convex seat is provided with an annular bulge, the inner end of the hexagonal concave sleeve is provided with an annular groove, and the annular bulge is clamped into the annular groove, so that the outer end of the annular bulge can be conveniently blocked and sealed.
Furthermore, the outer end surface of one side of the connector is provided with a ring notch, so that the connector is convenient to insert.
Furthermore, the outer surface of the hexagonal concave sleeve is provided with a hexagonal notch, so that the hexagonal concave sleeve is convenient to guide in during insertion.
Compared with the prior art, the utility model has the advantages of:
(1) Adopt plug-in type nozzle structure, the outer end sets up the laminating extrusion of sealing washer in the threaded interface, and hexagonal concave cover locking is fixed after, can increase leakproofness and stability.
(2) The outer end of the pipe joint is inserted into the inner side surface of the threaded connector, the outer surface of the pipe joint is sleeved with the sealing ring, the sealing ring is extruded on the inner side surface of the threaded connector, the pipe joint is convenient to insert and seal, the inner wall of the threaded connector can be attached through the sealing ring after the pipe joint is inserted into the pipe joint in a sealing mode, the outer end surface of the pipe joint is sleeved with the sealing gasket, and the sealing gasket is attached to the outer end surface of the threaded connector and is convenient to attach and seal.
(3) The outer end of the annular convex seat is provided with an annular bulge, the inner end of the hexagonal concave sleeve is provided with an annular groove, and the annular bulge is clamped into the annular groove, so that the outer end can be conveniently blocked and sealed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view of a nipple of the present invention;
fig. 3 is a right side view of the hexagonal socket of the present invention.
The numbering in the figures illustrates:
the gas cylinder valve 1, the threaded connector 2, the connector 3, the gas guide pipe 100, the annular bulge 30, the hexagonal concave sleeve 4, the sealing gasket 31, the sealing ring 32, the positioning ring groove 33, the annular bulge 34 and the annular groove 40.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the air tightness test connector device of the high-pressure seamless gas cylinder comprises a gas cylinder valve 1, a threaded connector 2 is arranged outside the gas cylinder valve 1, a connector head 3 is arranged on the outer surface of the threaded connector 2, an air guide pipe 100 is arranged on the surface of the inner end of the connector head 3, an annular convex base 30 is arranged on the outer end of the connector head 3, a hexagonal concave sleeve 4 is sleeved on the outer surface of the connector head 3, and the hexagonal concave sleeve 4 is connected to the outer surface of the threaded connector 2 through threads;
the outer end of the pipe joint 3 is inserted into the inner side surface of the threaded connector 2, the outer surface of the pipe joint 3 is sleeved with the sealing ring 32, the sealing ring 32 is extruded on the inner side surface of the threaded connector 2, the pipe joint is convenient to insert and seal, the inner wall of the threaded connector 2 can be attached to the sealing ring 32 after insertion and is sealed, the outer end surface of the pipe joint 3 is sleeved with the sealing gasket 31, after the hexagonal concave sleeve 4 is locked, the sealing gasket 31 is attached to the outer end surface of the threaded connector 2 and is convenient to attach and seal, the outer end of the annular convex seat 30 is provided with the annular bulge 34, the inner end of the hexagonal concave sleeve 4 is provided with the annular groove 40, the annular bulge 34 is clamped into the annular groove 40, and the outer end of the pipe joint is convenient to clamp and seal.
Example 2
Referring to fig. 1-3, the air tightness test connector device of the high-pressure seamless gas cylinder comprises a gas cylinder valve 1, a threaded connector 2 is arranged outside the gas cylinder valve 1, a connector head 3 is arranged on the outer surface of the threaded connector 2, an air guide pipe 100 is arranged on the surface of the inner end of the connector head 3, an annular convex base 30 is arranged on the outer end of the connector head 3, a hexagonal concave sleeve 4 is sleeved on the outer surface of the connector head 3, and the hexagonal concave sleeve 4 is connected to the outer surface of the threaded connector 2 through threads;
the outer end surface of one side of the connector 3 is provided with a ring notch for convenient insertion and guide, the outer surface of the hexagonal concave sleeve 4 is provided with a hexagonal notch for convenient wrench clamping, and the wrench clamping is twisted and assembled and disassembled outside the hexagonal notch, and the outer surface of the connector 3 is provided with a positioning ring groove 31, and a sealing ring 32 is clamped into the inner side surface of the positioning ring groove 33 for convenient installation of the sealing ring 32.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (7)
1. Airtight test joint device of seamless gas cylinder of high pressure, including gas cylinder valve (1), its characterized in that: gas cylinder valve (1) sets up threaded interface (2) outward, the surface mounting of threaded interface (2) has connector (3), connector (3) inner surface is provided with air guide pipe (100), connector (3) outer end sets up annular boss (30), the surface of connector (3) has cup jointed hexagonal concave cover (4), hexagonal concave cover (4) are through the surface of threaded interface (2).
2. The gas tightness test joint device of the high-pressure seamless gas cylinder according to claim 1, characterized in that: the outer end of the pipe joint (3) is inserted into the inner side surface of the threaded connector (2), the outer surface of the pipe joint (3) is sleeved with the sealing ring (32), and the sealing ring (32) is extruded on the inner side surface of the threaded connector (2).
3. The gas tightness test joint device of the high-pressure seamless gas cylinder according to claim 1, characterized in that: the outer end surface of the pipe connector (3) is sleeved with a sealing gasket (31), and the sealing gasket (31) is attached to the outer end surface of the threaded connector (2).
4. The gas tightness test joint device of the high-pressure seamless gas cylinder according to claim 1, characterized in that: the outer surface of the pipe joint (3) is provided with a positioning ring groove (33), and the sealing ring (32) is clamped into the inner side surface of the positioning ring groove (33).
5. The gas tightness test joint device of the high-pressure seamless gas cylinder according to claim 1, characterized in that: the outer end of the annular convex seat (30) is provided with an annular bulge (34), the inner end of the hexagonal concave sleeve (4) is provided with an annular groove (40), and the annular bulge (34) is clamped into the annular groove (40).
6. The gas tightness test joint device of the high-pressure seamless gas cylinder according to claim 1, characterized in that: the outer end surface of one side of the connector (3) is provided with a ring notch.
7. The gas tightness test joint device of the high-pressure seamless gas cylinder according to claim 1, characterized in that: the outer surface of the hexagonal concave sleeve (4) is provided with a hexagonal notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223400835.5U CN218671619U (en) | 2022-12-19 | 2022-12-19 | Airtight test joint device of high-pressure seamless gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223400835.5U CN218671619U (en) | 2022-12-19 | 2022-12-19 | Airtight test joint device of high-pressure seamless gas cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218671619U true CN218671619U (en) | 2023-03-21 |
Family
ID=85551139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223400835.5U Active CN218671619U (en) | 2022-12-19 | 2022-12-19 | Airtight test joint device of high-pressure seamless gas cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218671619U (en) |
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2022
- 2022-12-19 CN CN202223400835.5U patent/CN218671619U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sealing test joint device for high-pressure seamless gas cylinders Effective date of registration: 20231115 Granted publication date: 20230321 Pledgee: Shandong Wucheng Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Huachen High Pressure Vessel Group Dezhou Co.,Ltd. Registration number: Y2023980065823 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |