CN218468334U - Two-stage pressure reducing valve - Google Patents
Two-stage pressure reducing valve Download PDFInfo
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- CN218468334U CN218468334U CN202222211138.9U CN202222211138U CN218468334U CN 218468334 U CN218468334 U CN 218468334U CN 202222211138 U CN202222211138 U CN 202222211138U CN 218468334 U CN218468334 U CN 218468334U
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model provides a two-stage relief pressure valve belongs to relief pressure equipment technical field, including primary valve main part, primary valve gas core, primary valve dustcoat, primary valve inner cover, primary valve gas core thimble, secondary valve gas core, secondary valve inner cover, secondary valve dustcoat, secondary valve gas core thimble, primary valve gas core elastic component and primary valve elastic component, primary valve main part one side is provided with the suction nozzle, primary valve main part and primary valve inner cover form with the one-level air cavity of suction nozzle intercommunication, primary valve gas core sets up inside and passing through of primary valve main part the primary valve gas core thimble links to each other with primary valve main part inner wall, primary valve gas core elastic component sets up inside the primary valve main part. The embodiment of the utility model provides a compare in prior art, can realize the integration of two-stage decompression, have stable in structure, small to and control accurate advantage, be applicable to accurate decompression, small and exquisite decompression equipment, like the diving gas lung, the beverage air entrainment gets wine equipment etc..
Description
Technical Field
The utility model belongs to the technical field of relief pressure equipment, specifically a two-stage relief pressure valve.
Background
At present, the application of relief pressure valve in relief pressure equipment is comparatively extensive, and current relief pressure valve relies on two sets of split type relief pressure valves to realize for realizing the two-stage decompression purpose usually, and two sets of split type relief pressure valves exist when the decompression bulky, control accurate and the structure defect inadequately stable, need to improve urgently.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the embodiment of the utility model provides a technical problem who solves provides a two-stage relief pressure valve.
In order to solve the technical problem, the utility model provides a following technical scheme:
a two-stage pressure reducing valve comprises a primary valve main body, a primary valve air core, a primary valve outer cover, a primary valve inner cover, a primary valve air core thimble, a secondary valve air core, a secondary valve inner cover, a secondary valve outer cover, a secondary valve air core thimble, a primary valve air core elastic part and a primary valve elastic part,
an air inlet nozzle is arranged on one side of the primary valve main body,
the primary valve main body and the primary valve inner cover form a primary air cavity communicated with the air inlet nozzle,
the primary valve air core is arranged in the primary valve main body and is connected with the inner wall of the primary valve main body through the primary valve air core thimble,
the primary valve air core elastic piece is arranged in the primary valve main body and used for supporting the primary valve air core,
the secondary valve inner cover is arranged inside the secondary valve outer cover, the secondary valve gas core is arranged inside the secondary valve inner cover and is connected with the inner wall of the secondary valve inner cover through a secondary valve gas core thimble,
the primary valve elastic piece is arranged between the primary valve inner cover and the primary valve outer cover and used for supporting the primary valve inner cover.
As a further improvement of the utility model: an air outlet nozzle is arranged on one side of the secondary valve air core thimble,
a secondary cavity is formed between the primary valve inner cover and the secondary valve inner cover and is communicated with the air outlet nozzle,
a secondary valve elastic piece is arranged between the secondary valve outer cover and the secondary valve inner cover and used for supporting the secondary valve inner cover,
and a secondary valve air core elastic piece for supporting the secondary valve air core is arranged in the primary valve inner cover.
As a further improvement of the utility model: the primary valve air core elastic piece, the primary valve elastic piece, the secondary valve air core elastic piece and the secondary valve elastic piece are springs.
As a further improvement of the utility model: and a secondary valve air core sealing ring is arranged between the secondary valve air core and the primary valve inner cover.
As a further improvement of the present invention: and a first primary valve air core sealing ring is arranged between the primary valve main body and the primary valve inner cover.
As a further improvement of the present invention: and a second primary valve air core sealing ring is arranged between the primary valve air core and the primary valve main body.
As a further improvement of the present invention: and a secondary valve sealing ring is arranged between the primary valve inner cover and the secondary valve inner cover.
Compared with the prior art, the beneficial effects of the utility model are that:
the embodiment of the utility model provides an in, through selecting two elastic components of different elasticity, can make high-pressure gas pass through the required atmospheric pressure value of accurate control after the decompression of second grade relief pressure valve, for example the atmospheric pressure of high-pressure gas pitcher is 20 MPA's gas admission air cock, the atmospheric pressure value of one-level valve elastic component control first grade valve air cavity is 0.5-1.5MPA, the atmospheric pressure value of second grade valve air cavity is 0.2MPA, thereby decompression and accurate control output atmospheric pressure, compare in prior art, can realize the integration of two-stage decompression, and has stable in structure, small, and control accurate advantage, be applicable to accurate decompression, small and exquisite decompression equipment, like diving into the water gas lung, the beverage air entrainment, get wine equipment etc..
Drawings
Fig. 1 is a schematic view of a two-stage pressure reducing valve.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1, the present embodiment provides a two-stage pressure reducing valve, which includes a primary valve main body 2, a primary valve air core 3, a primary valve outer cover 4, a primary valve inner cover 5, a primary valve air core thimble 6, a secondary valve air core 7, a secondary valve inner cover 8, a secondary valve outer cover 9, a secondary valve air core thimble 10, a primary valve air core elastic member 11, and a primary valve elastic member 14, wherein an air inlet nozzle 1 is disposed at one side of the primary valve main body 2, the primary valve main body 2 and the primary valve inner cover 5 form a primary air cavity 19 communicated with the air inlet nozzle 1, the primary valve air core 3 is disposed inside the primary valve main body 2 and connected to an inner wall of the primary valve main body 2 through the primary valve air core thimble 6, the primary valve air core elastic member 11 is disposed inside the primary valve main body 2 for supporting the primary valve air core 3, the secondary valve 8 is disposed inside the secondary valve outer cover 9, the secondary valve air core 7 is disposed inside the primary valve inner cover 8 and connected to the secondary valve air core 10 through the secondary valve air core 10, and the primary valve inner cover 5 is disposed between the primary valve outer cover and the primary valve inner cover 14 for supporting the primary valve outer cover 4.
High-pressure gas enters a primary air cavity 19 from an air inlet nozzle 1, the air pressure of the primary air cavity 19 rises to push a primary valve inner cover 5 to rise, the primary valve inner cover 5 rises to compress a primary valve elastic part 14, a primary valve air core thimble 6 rises together with the primary valve inner cover 5, and when the primary valve air core thimble 6 leaves a primary valve air core 3, the primary valve air core elastic part 11 pushes the primary valve air core 3 to rise to close an air inlet channel; when the air pressure in the primary air cavity 19 is lower than the elastic force of the primary valve elastic member 14, the primary valve elastic member 14 pushes the primary valve inner cover 5 and the primary valve air core thimble 6 to descend together, the primary valve air core thimble 6 pushes the primary valve air core 3 to open the air inlet channel, and high-pressure air enters the primary air cavity 19, so that the elastic force of the primary valve elastic member 14 controls the air pressure in the primary air cavity 19.
Referring to fig. 1, in one embodiment, an air outlet 21 is disposed on one side of the secondary valve air core thimble 10, a secondary chamber 20 is formed between the primary valve inner cover 5 and the secondary valve inner cover 8, the secondary chamber 20 is communicated with the air outlet 21, a secondary valve elastic member 18 is disposed between the secondary valve outer cover 9 and the secondary valve inner cover 8, the secondary valve elastic member 18 is used for supporting the secondary valve inner cover 8, and a secondary valve air core elastic member 16 for supporting the secondary valve air core 7 is disposed inside the primary valve inner cover 5.
Gas in the primary air cavity 19 enters a secondary valve air cavity 20, the air pressure of the secondary valve air cavity 20 rises to push the secondary valve inner cover 8 to rise, the secondary valve inner cover 8 rises to compress a secondary valve elastic member 18, the secondary valve air core thimble 10 rises together with the secondary valve inner cover 8, and when the secondary valve air core thimble 10 leaves the secondary valve air core 7, the secondary valve air core elastic member 16 pushes the secondary valve air core 7 to rise to close an air inlet channel; when the air pressure in the secondary air cavity 20 is lower than the elastic force of the secondary valve elastic member 18, the secondary valve elastic member 18 pushes the secondary valve inner cover 8 and the secondary valve air core thimble 10 to descend together, the secondary valve air core thimble 10 pushes the secondary valve air core 7 to open an air inlet channel, and the air in the primary valve air cavity 19 enters the secondary valve air cavity 20, so that the elastic force of the secondary valve elastic member 18 controls the air pressure in the secondary valve air cavity 20, and the air pressure of the air outlet nozzle 11 is also controlled.
In one embodiment, the primary valve air core elastic member 11, the primary valve elastic member 14, the secondary valve air core elastic member 16, and the secondary valve elastic member 18 may be springs or metal elastic sheets, which is not limited herein.
Referring to fig. 1, in one embodiment, a secondary valve air core sealing ring 17 is disposed between the secondary valve air core 7 and the primary valve inner cover 5, a first primary valve air core sealing ring 13 is disposed between the primary valve main body 2 and the primary valve inner cover 5, a second primary valve air core sealing ring 12 is disposed between the primary valve air core 3 and the primary valve main body 2, and a secondary valve sealing ring 15 is disposed between the primary valve inner cover 5 and the secondary valve inner cover 8.
The embodiment of the utility model provides an in, through selecting two elastic components of different elasticity, can make high-pressure gas pass through the second grade relief pressure valve decompression back accurate control to required atmospheric pressure value, for example the atmospheric pressure of high-pressure gas pitcher is 20 MPA's gas admission air cock, the atmospheric pressure value of the first grade valve air cavity 19 of one-level valve elastic component 14 control is 0.5-1.5MPA, the atmospheric pressure value of the second grade valve air cavity 20 of 18 control of second grade valve elastic component is 0.2MPA, thereby decompression and accurate control output atmospheric pressure, compare in prior art, can realize the integration of two-stage decompression, and has stable in structure, small, and control accurate advantage, be applicable to accurate decompression, small and exquisite decompression equipment, like diving the hydrops lung, beverage air entrainment, get wine equipment etc..
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. A two-stage pressure reducing valve is characterized by comprising a primary valve main body, a primary valve air core, a primary valve outer cover, a primary valve inner cover, a primary valve air core thimble, a secondary valve air core, a secondary valve inner cover, a secondary valve outer cover, a secondary valve air core thimble, a primary valve air core elastic part and a primary valve elastic part,
an air inlet nozzle is arranged on one side of the primary valve main body,
the primary valve main body and the primary valve inner cover form a primary air cavity communicated with the air inlet nozzle,
the primary valve air core is arranged in the primary valve main body and is connected with the inner wall of the primary valve main body through the primary valve air core thimble,
the first-stage valve air core elastic piece is arranged in the first-stage valve main body and used for supporting the first-stage valve air core,
the secondary valve inner cover is arranged inside the secondary valve outer cover, the secondary valve gas core is arranged inside the secondary valve inner cover and is connected with the inner wall of the secondary valve inner cover through a secondary valve gas core thimble,
the primary valve elastic piece is arranged between the primary valve inner cover and the primary valve outer cover and used for supporting the primary valve inner cover.
2. A two-stage pressure reducing valve according to claim 1 wherein the secondary valve air core spike is provided with an air outlet nozzle on one side,
a secondary cavity is formed between the primary valve inner cover and the secondary valve inner cover and is communicated with the air outlet nozzle,
a secondary valve elastic piece is arranged between the secondary valve outer cover and the secondary valve inner cover and used for supporting the secondary valve inner cover,
and a secondary valve air core elastic piece for supporting the secondary valve air core is arranged in the primary valve inner cover.
3. A two-stage pressure relief valve according to claim 2 wherein said primary valve air core spring, primary valve spring, secondary valve air core spring and secondary valve spring are springs.
4. A two-stage pressure reducing valve according to claim 1 wherein a secondary valve air core seal is provided between the secondary valve air core and the primary valve inner housing.
5. A two-stage pressure reducing valve as set forth in claim 1 wherein a first primary valve air core seal is disposed between said primary valve body and said primary valve inner housing.
6. A two-stage pressure reducing valve according to claim 1 wherein a second stage valve spool seal is provided between the stage valve spool and the stage valve body.
7. A two-stage pressure reducing valve according to claim 1 wherein a secondary valve sealing ring is disposed between the primary and secondary valve inner housings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222211138.9U CN218468334U (en) | 2022-08-22 | 2022-08-22 | Two-stage pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222211138.9U CN218468334U (en) | 2022-08-22 | 2022-08-22 | Two-stage pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218468334U true CN218468334U (en) | 2023-02-10 |
Family
ID=85140876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222211138.9U Active CN218468334U (en) | 2022-08-22 | 2022-08-22 | Two-stage pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218468334U (en) |
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2022
- 2022-08-22 CN CN202222211138.9U patent/CN218468334U/en active Active
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