CN112576920A - High-pressure gas cylinder with high-pressure gas buffering function valve body - Google Patents
High-pressure gas cylinder with high-pressure gas buffering function valve body Download PDFInfo
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- CN112576920A CN112576920A CN201910930401.XA CN201910930401A CN112576920A CN 112576920 A CN112576920 A CN 112576920A CN 201910930401 A CN201910930401 A CN 201910930401A CN 112576920 A CN112576920 A CN 112576920A
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- Prior art keywords
- gas
- valve
- valve body
- pressure gas
- pressure
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/036—Very high pressure (>80 bar)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The application provides a high-pressure gas cylinder with high-pressure gas buffering function valve body, the case is located valve body upper portion under the effect of shock absorber and spring, and the gas passage of case is located the top of the air inlet of pipe of admitting air this moment, therefore the gas cylinder is in the closed condition. When the rotary valve makes the valve core move downwards, when the gas channel of the valve core is positioned at the gas inlet of the gas inlet guide pipe, gas can be sprayed out of the gas cylinder, and the adjusting plate is provided with a gradually enlarged vent groove from bottom to top, and the widest part of the vent groove is the same as the gas inlet of the gas inlet guide pipe, so that the valve core moves up and down to enable the vent groove to adjust the flow of the gas sprayed out of the gas inlet guide pipe. Therefore, the high-pressure gas cylinder has a high-pressure gas buffering function, gas flow control can be achieved only by rotating the rotary valve, and operation is very convenient and fast.
Description
Technical Field
The application belongs to the pressure vessel device field, concretely relates to high-pressure gas cylinder with high-pressure gas buffer function valve body.
Background
The pressure container is a closed device which contains gas or liquid and bears certain pressure. In industry, a gas cylinder with pressure greater than 8MPa is often called a high-pressure gas cylinder, and the high-pressure gas cylinder belongs to one of special equipment specified in special equipment safety supervision regulations, and is mainly used for storing high-pressure gas and is required to bear high pressure of 10-30 MPa.
Therefore, the existing gas cylinders are all high-pressure valves of domestic standards, but users often need to be equipped with pressure reducers or pressure reducing valves when using the gas cylinders, and besides being very heavy, the gas cylinders are difficult to obtain gas with constant flow and lower pressure. In addition, the user must have a certain expertise and safety operation capability of the high pressure valve and the pressure reducer, and if a constant flow of gas with a lower pressure is desired, the user must adjust not only the high pressure valve but also the pressure reducer, which is very inconvenient to operate.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-pressure gas cylinder with a valve body with a high-pressure gas buffering function, which aims to solve the problems that the existing high-pressure gas cylinder needs to be provided with a high-pressure valve and a pressure reducer and is inconvenient to operate.
A high-pressure gas cylinder with a valve body with a high-pressure gas buffering function comprises a cylinder body, a gas cylinder pressure gauge and a valve, wherein the gas cylinder pressure gauge and the valve are arranged at the top of the cylinder body, the central axis of the valve is superposed with the central axis of the cylinder body, and the gas cylinder pressure gauge is used for detecting the gas pressure in the cylinder body;
the valve comprises a rotary valve and a hollow valve body, the rotary valve is connected with the valve body through threads, the bottom end of the valve body is provided with a bottom wall in sealing connection, an air inlet guide pipe is arranged in the inner wall of one side of the valve body, an air outlet guide pipe is arranged in the inner wall of the other side of the valve body, a valve core is arranged in the valve body, the diameter of the valve core is just the same as the inner diameter of the valve body, a shock absorber and a spring sleeved on the shock absorber are arranged between the bottom of the valve core and the bottom wall, and the valve core can move up and down by;
the pressure reducing valve comprises a valve core, and is characterized in that a lower sealing ring is arranged at the bottom of the valve core, an upper sealing ring is arranged at the upper part of the valve core, a gas channel is arranged between the lower sealing ring and the upper sealing ring, the gas channel comprises an adjusting plate, a first pressure reducing cavity, a connecting channel and a second pressure reducing cavity, the adjusting plate is provided with a gradually-enlarged vent groove from bottom to top, the vent groove is communicated with the first pressure reducing cavity, the diameter of one end of the connecting channel is smaller than that of the other end of the connecting channel, the end with the smaller diameter of the connecting channel is communicated with the first pressure reducing cavity, and the end with;
the air inlet of the air inlet guide pipe is communicated with the bottle body, the air outlet of the air inlet guide pipe is positioned on the inner wall of the valve body, the air inlet of the air outlet guide pipe is positioned on the inner wall of the valve body, the air outlet of the air outlet guide pipe extends out of the valve body, and the air inlet of the air outlet guide pipe and the air outlet of the air inlet guide pipe are positioned on the same horizontal plane.
Preferably, the air outlet guide pipe is provided with a pressure gauge and a flow meter.
Preferably, the rotary valve comprises a base and a rotary handle, the rotary handle is connected with the valve body through threads, the rotary handle drives the base to move up and down, and the diameter of the base is smaller than the inner diameter of the valve body.
Preferably, the shape of the first pressure reduction chamber and the second pressure reduction chamber is one of a hemisphere, a sphere or an ellipsoid.
Preferably, the upper sealing ring and the lower sealing ring are both made of elastic metal or metal alloy.
According to the scheme, the high-pressure gas cylinder with the high-pressure gas buffering function valve body is provided, the valve core is located on the upper portion of the valve body under the action of the shock absorber and the spring, the gas channel of the valve core is located above the gas inlet of the gas inlet guide pipe at the moment, and therefore the gas cylinder is in a closed state. When the rotary valve makes the valve core move downwards, when the gas channel of the valve core is positioned at the gas inlet of the gas inlet guide pipe, gas can be sprayed out of the gas cylinder, and the adjusting plate is provided with a gradually enlarged vent groove from bottom to top, and the widest part of the vent groove is the same as the gas inlet of the gas inlet guide pipe, so that the valve core moves up and down to enable the vent groove to adjust the flow of the gas sprayed out of the gas inlet guide pipe. Therefore, the high-pressure gas cylinder has a high-pressure gas buffering function, gas flow control can be achieved only by rotating the rotary valve, and operation is very convenient and fast.
Drawings
Fig. 1 is a schematic structural view of a high-pressure gas cylinder with a high-pressure gas buffering valve body according to the present application;
FIG. 2 is an enlarged schematic view of a structure shown in FIG. 1 of the present application;
FIG. 3 is a schematic structural view of the valve cartridge of the present application;
fig. 4 is a schematic structural view of an adjustment plate of the present application.
Detailed Description
The technical solutions in the embodiments shown in the present application will be clearly and completely described below with reference to the drawings in the embodiments shown in the present application.
Referring to fig. 1 to 4, a high pressure gas cylinder with a valve body having a high pressure gas buffering function includes a cylinder body 1, a gas cylinder pressure gauge 2 and a valve 3, wherein the gas cylinder pressure gauge 2 and the valve 3 are both disposed at the top of the cylinder body 1, a central axis of the valve 3 coincides with a central axis of the cylinder body 1, and the gas cylinder pressure gauge 2 is used for detecting a gas pressure in the cylinder body 1;
the valve 3 comprises a rotary valve 31 and a hollow valve body 32, the rotary valve 31 is connected with the valve body 32 through threads, a bottom wall 33 in sealing connection is arranged at the bottom end of the valve body 32, an air inlet guide pipe 35 is arranged in the inner wall of one side of the valve body 32, an air outlet guide pipe 36 is arranged in the inner wall of the other side of the valve body 32, a valve core 34 is arranged in the valve body 32, the diameter of the valve core 34 is just the same as the inner diameter of the valve body 32, a shock absorber 37 and a spring 38 sleeved on the shock absorber 37 are arranged between the bottom of the valve core 34 and the bottom wall 33, and the valve core 34 moves up and down through rotating the;
a lower sealing ring 341 is arranged at the bottom of the valve core 34, an upper sealing ring 342 is arranged at the upper part of the valve core 34, a gas channel 343 is arranged between the lower sealing ring 341 and the upper sealing ring 342, the gas channel 343 comprises an adjusting plate 3431, a first decompression chamber 3432, a connecting channel 3433 and a second decompression chamber 3434, the adjusting plate 3431 is provided with a gradually enlarged vent groove 34311 from bottom to top, the vent groove 34311 is communicated with the first decompression chamber 3432, one end of the connecting channel 3433 is smaller in diameter than the other end, the end of the connecting channel 3433 with the smaller diameter is communicated with the first decompression chamber 3432, and the end of the connecting channel 3433 with the larger diameter is communicated with the second decompression chamber 3434;
the air inlet of air inlet pipe 35 communicates bottle 1, the gas outlet of air inlet pipe 35 is located the inner wall of valve body 32, the air inlet of air outlet pipe 36 is located the inner wall of valve body 32, the gas outlet of air outlet pipe 36 stretches out valve body 32, just the air inlet of air outlet pipe 36 with the gas outlet of air inlet pipe 35 is located same horizontal plane.
The application provides a high-pressure gas cylinder with a high-pressure gas buffering function valve body, the valve core 34 is located on the upper portion of the valve body 32 under the action of the shock absorber 37 and the spring 38, at the moment, the gas channel 343 of the valve core 34 is located above the gas inlet of the gas inlet guide pipe 35, and therefore the gas cylinder is in a closed state. When the valve 31 is rotated to move the valve core 34 downwards, when the gas channel 343 of the valve core 34 is located at the gas inlet of the gas inlet conduit 35, the gas can be ejected from the gas cylinder, and since the adjusting plate 3431 is provided with the gradually expanding vent groove 34311 from bottom to top, the widest part of the vent groove 34311 is the same as the gas inlet of the gas inlet conduit 35, the vent groove 34311 can adjust the flow rate of the gas ejected from the gas inlet of the gas inlet conduit 35 by moving the valve core 34 upwards and downwards, besides, the first decompression cavity 3432, the connecting channel 3433 and the second decompression cavity 3434 are formed to have a decompression function. Therefore, the high-pressure gas cylinder has a high-pressure gas buffering function, gas flow control can be achieved only by rotating the rotary valve 31, and operation is very convenient and fast.
Preferably, the air outlet conduit 36 is provided with a pressure gauge and a flow meter. The pressure gauge can display the gas pressure of the gas guide pipe 36, and the flow meter can display the gas flow of the gas guide pipe 36, so that the operation requirement of the valve 3 is further reduced, and the aim of simple operation is fulfilled.
Preferably, the rotary valve 31 includes a base 311 and a rotary handle 312, the rotary handle 312 is connected to the valve body 32 through a thread, the rotary handle 312 is rotated to drive the base 311 to move up and down, and the diameter of the base 311 is smaller than the inner diameter of the valve body 32. The base 311 can make the valve core 34 evenly stressed, and the rotating handle 312 can be rotated to save more labor and facilitate operation.
Preferably, the shape of the first decompression chamber 3432 and the second decompression chamber 3434 is one of a hemisphere, a sphere or an ellipsoid. The shape of the curved surface having a smooth inner wall and a diameter larger than that of the inlet duct 35 can reduce the pressure of the gas ejected from the inlet of the inlet duct 35, and the shape of the curved surface can ensure the stability of the gas flow, so that the flow rate and the flow velocity of the gas ejected from the outlet duct 36 are stable.
Preferably, the upper seal ring 342 and the lower seal ring 341 are made of elastic metal or metal alloy. The metal or the metal alloy has good wear resistance and stability, and can prolong the service life of the high-pressure gas cylinder.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (5)
1. The high-pressure gas cylinder with the valve body with the high-pressure gas buffering function is characterized by comprising a cylinder body (1), a gas cylinder pressure gauge (2) and a valve (3), wherein the gas cylinder pressure gauge (2) and the valve (3) are arranged at the top of the cylinder body (1), the central axis of the valve (3) is superposed with the central axis of the cylinder body (1), and the gas cylinder pressure gauge (2) is used for detecting the gas pressure in the cylinder body (1);
the valve (3) comprises a rotary valve (31) and a hollow valve body (32), the rotary valve (31) is connected with the valve body (32) through threads, a bottom wall (33) in sealing connection is arranged at the bottom end of the valve body (32), an air inlet guide pipe (35) is arranged in the inner wall of one side of the valve body (32), an air outlet guide pipe (36) is arranged in the inner wall of the other side of the valve body (32), a valve core (34) is arranged in the valve body (32), the diameter of the valve core (34) is just the same as the inner diameter of the valve body (32), a shock absorber (37) and a spring (38) sleeved on the shock absorber (37) are arranged between the bottom of the valve core (34) and the bottom wall (33), and the valve core (34) can move up and down by rotating the rotary valve;
the bottom of the valve core (34) is provided with a lower sealing ring (341), the upper part of the valve core (34) is provided with an upper sealing ring (342), a gas channel (343) is arranged between the lower sealing ring (341) and the upper sealing ring (342), the gas channel (343) comprises an adjusting plate (3431), a first decompression cavity (3432), a connecting channel (3433) and a second decompression cavity (3434), the adjusting plate (3431) is provided with a gradually enlarged vent groove (34311) from bottom to top, the vent groove (34311) is communicated with the first decompression cavity (3432), one end of the connecting channel (3433) is smaller than the diameter of the other end, the end of the connecting channel (3433) with the smaller diameter is communicated with the first decompression cavity (3432), and the end of the connecting channel (3433) with the larger diameter is communicated with the second decompression cavity (3434);
the air inlet of pipe (35) that admits air communicates bottle (1), the gas outlet of pipe (35) that admits air is located the inner wall of valve body (32), the air inlet of pipe (36) of giving vent to anger is located the inner wall of valve body (32), the gas outlet of pipe (36) of giving vent to anger stretches out valve body (32), just the air inlet of pipe (36) of giving vent to anger with the gas outlet of pipe (35) of admitting air is located same horizontal plane.
2. The high-pressure gas cylinder with the high-pressure gas buffering valve body according to claim 1, characterized in that a pressure gauge and a flow meter are arranged on the gas outlet guide pipe (36).
3. The high-pressure gas cylinder with the valve body with the high-pressure gas buffering function according to claim 2, wherein the rotating valve (31) comprises a base (311) and a rotating handle (312), the rotating handle (312) is connected with the valve body (32) through threads, the rotating handle (312) is rotated to drive the base (311) to move up and down, and the diameter of the base (311) is smaller than the inner diameter of the valve body (32).
4. The high-pressure gas cylinder with a high-pressure gas buffer function valve body according to claim 3, characterized in that the shape of the first decompression chamber (3432) and the second decompression chamber (3434) is one of a hemispherical shape, a spherical shape, or an ellipsoidal shape.
5. The high pressure gas cylinder with a high pressure gas buffer function valve body according to any one of claims 1 to 4, characterized in that the upper seal ring (342) and the lower seal ring (341) are made of elastic metal or metal alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910930401.XA CN112576920A (en) | 2019-09-29 | 2019-09-29 | High-pressure gas cylinder with high-pressure gas buffering function valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910930401.XA CN112576920A (en) | 2019-09-29 | 2019-09-29 | High-pressure gas cylinder with high-pressure gas buffering function valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112576920A true CN112576920A (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910930401.XA Pending CN112576920A (en) | 2019-09-29 | 2019-09-29 | High-pressure gas cylinder with high-pressure gas buffering function valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112576920A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433719A (en) * | 2023-12-20 | 2024-01-23 | 山东美晨工业集团有限公司 | Automobile pipeline tightness detection device |
-
2019
- 2019-09-29 CN CN201910930401.XA patent/CN112576920A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433719A (en) * | 2023-12-20 | 2024-01-23 | 山东美晨工业集团有限公司 | Automobile pipeline tightness detection device |
| CN117433719B (en) * | 2023-12-20 | 2024-03-19 | 潍坊市工程技师学院 | Automobile pipeline tightness detection device |
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Application publication date: 20210330 |
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| WD01 | Invention patent application deemed withdrawn after publication |