CN210266053U - Miniature pressure reducing valve - Google Patents
Miniature pressure reducing valve Download PDFInfo
- Publication number
- CN210266053U CN210266053U CN201921319675.7U CN201921319675U CN210266053U CN 210266053 U CN210266053 U CN 210266053U CN 201921319675 U CN201921319675 U CN 201921319675U CN 210266053 U CN210266053 U CN 210266053U
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- valve
- piston
- cavity
- valve body
- pressure
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- Expired - Fee Related
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000007547 defect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to a miniature pressure reducing valve, which comprises a valve body and a valve cover, wherein a piston cavity is formed between the valve cover and the valve body, an exhaust port communicated with the piston cavity is arranged on the valve body, a piston is arranged in the piston cavity, a pressure regulating component which is in linkage fit with the piston is arranged on the valve cover, a lower valve seat is arranged at the lower end of the valve body, a valve cavity is formed between the lower valve seat and the valve body, a valve core is movably arranged in the valve cavity, a vulcanized layer which is matched with the valve body in a sealing way is arranged on the valve core, a pressure gauge interface and an air outlet which are communicated with the valve cavity are respectively arranged on the valve body corresponding to the two sides of the valve core, and a feedback hole communicated between the gas outlet and the piston cavity is arranged in the valve body, a gas inlet communicated with the valve cavity is arranged on the lower valve seat, a balance spring abutting against one end of the valve core is arranged in the lower valve seat, and the other end of the valve core penetrates through the valve cavity and abuts against the lower end face of the piston. The utility model has the advantages of simple structure, stable and reliable performance, simple operation, long service life and small volume.
Description
Technical Field
The utility model relates to a pneumatic element technical field, concretely relates to miniature relief pressure valve.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure through regulation and leads the outlet pressure to be automatically kept stable by relying on the energy of the medium. The existing pressure reducing valve is unreasonable in structural design and has the defects of complex structure, inconvenient operation and large volume; and the pressure regulating device of the pressure reducing valve has unreasonable structural design, so that the diaphragm is easy to damage, the service life of the diaphragm is short, and the pressure regulating device also has the defect of inaccurate pressure regulation.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, simple operation, long service life's miniature relief pressure valve.
In order to realize the purpose, the utility model adopts a miniature pressure reducing valve, which comprises a valve body and a valve cover arranged at the upper end of the valve body, a piston cavity is formed between the valve cover and the valve body, an exhaust port communicated with the piston cavity is arranged on the valve body, a piston is arranged in the piston cavity, a pressure regulating component in linkage fit with the piston is arranged on the valve cover, a lower valve seat is arranged at the lower end of the valve body, a valve cavity is formed between the lower valve seat and the valve body, a valve core is movably arranged in the valve cavity, a vulcanized layer in sealing fit with the valve body is arranged on the valve core, a pressure gauge interface and an air outlet which are communicated with the valve cavity are respectively arranged at the positions corresponding to the two sides of the valve core on the valve body, a feedback hole communicated between the air outlet and the piston cavity is arranged in the valve body, an, and a balance spring abutting against one end of the valve core is arranged in the lower valve seat, and the other end of the valve core penetrates through the valve cavity and abuts against the lower end face of the piston.
The beneficial effect of above-mentioned structure is: the diaphragm type pressure regulating structure of the traditional pressure reducing valve is improved, and the piston type pressure regulating structure is adopted, so that the pressure regulating precision is enhanced, the service life of the pressure reducing valve is prolonged, and the volume of the pressure reducing valve is reduced. When the pressure is adjusted, the pressure adjusting assembly is only needed to be adjusted, the pressure adjusting assembly pushes the piston to act, and the pressure adjusting of the pressure reducing valve can be achieved, so that the pressure reducing valve has the advantages of being simple in structure, stable and reliable in performance, convenient to operate and long in service life.
Particularly, the pressure regulating subassembly including rotate be provided with the adjustment handle on the valve gap, correspond between adjustment handle and the piston locate to set up the pressure regulating spring in the piston cavity, correspond between pressure regulating spring and the adjustment handle and locate to set up the clamping ring in the piston cavity, adjustment handle's lower extreme contradict on the clamping ring, pressure regulating spring's one end block on the piston, pressure regulating spring's the other end contradict on the clamping ring. Be provided with the pressure regulating subassembly on the valve gap, the user only needs to rotate adjustment handle, and adjustment handle passes through clamping ring, pressure regulating spring and promotes the piston action to realize the pressure adjustment of this relief pressure valve, the simple operation, pressure adjustment is accurate.
Particularly, the lower extreme of adjustment handle have the protruding conflict portion of sphere, the clamping ring on have with the protruding conflict portion complex sphere recess of sphere, the protruding conflict portion block of sphere just constitute the linkage cooperation of adjustment handle and clamping ring in the sphere recess. The adjusting handle and the pressing ring are in clamping fit, so that reliable transmission of the adjusting handle and the pressing ring is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
As shown in fig. 1, an embodiment of the present invention is a miniature pressure reducing valve, including a valve body 10, a valve bonnet 11 disposed on the upper end of the valve body 10, a piston cavity 100 is formed between the valve bonnet 11 and the valve body 10, an exhaust port 101 communicated with the piston cavity 100 is disposed on the valve body 10, a piston 12 is disposed in the piston cavity 100, a pressure regulating assembly 20 in linkage fit with the piston 12 is disposed on the valve bonnet 11, a lower valve seat 13 is disposed at the lower end of the valve body 10, a valve cavity 102 is formed between the lower valve seat 13 and the valve body 10, a valve core 14 is movably disposed in the valve cavity 102, a vulcanized layer 141 in sealing fit with the valve body 10 is disposed on the valve core 14, a pressure gauge 103 and an air outlet 104 communicated with the valve cavity 102 are respectively disposed at two sides of the valve core 14 on the valve body 10, and a feedback hole 105 communicated between the air outlet 104 and the piston cavity 100 is disposed in the, the upper valve seat 13 is provided with an air inlet 106 communicated with the valve cavity 13, the lower valve seat 13 is internally provided with a balance spring 15 abutted against one end of the valve core 14, and the other end of the valve core 14 penetrates through the valve cavity 102 and abuts against the lower end face of the piston 12. Pressure regulating subassembly 20 including rotate the regulating handle 21 that is provided with on the valve gap 11, correspond between regulating handle 21 and the piston 12 and locate to set up pressure regulating spring 22 in piston chamber 100, correspond pressure regulating spring 22 and the department between the regulating handle 21 and set up clamping ring 23 in piston chamber 100, the lower extreme of regulating handle 21 contradict on clamping ring 23, pressure regulating spring 22's one end block on piston 12, pressure regulating spring 22's the other end contradict on clamping ring 23. Be provided with the pressure regulating subassembly on the valve gap, the user only needs to rotate adjustment handle, and adjustment handle passes through clamping ring, pressure regulating spring and promotes the piston action to realize the pressure adjustment of this relief pressure valve, the simple operation, pressure adjustment is accurate. The lower extreme of adjustment handle 21 have protruding conflict portion 211 of sphere, clamping ring 23 on have with protruding conflict portion 211 matched with sphere recess 231 of sphere, protruding conflict portion 211 block of sphere just constitute the linkage cooperation of adjustment handle 21 and clamping ring 23 in sphere recess 231. The adjusting handle and the pressing ring are in clamping fit, so that reliable transmission of the adjusting handle and the pressing ring is guaranteed.
The diaphragm type pressure regulating structure of the traditional pressure reducing valve is improved, and the piston type pressure regulating structure is adopted, so that the pressure regulating precision is enhanced, the service life of the pressure reducing valve is prolonged, and the volume of the pressure reducing valve is reduced. When the pressure is adjusted, the pressure adjusting assembly is only needed to be adjusted, the pressure adjusting assembly pushes the piston to act, and the pressure adjusting of the pressure reducing valve can be achieved, so that the pressure reducing valve has the advantages of being simple in structure, stable and reliable in performance, convenient to operate and long in service life.
Claims (3)
1. The utility model provides a miniature relief pressure valve, includes the valve body, sets up the valve gap in the valve body upper end, its characterized in that: a piston cavity is formed between the valve cover and the valve body, an exhaust port communicated with the piston cavity is arranged on the valve body, a piston is arranged in the piston cavity, a pressure regulating component which is in linkage fit with the piston is arranged on the valve cover, the lower end of the valve body is provided with a lower valve seat, a valve cavity is formed between the lower valve seat and the valve body, a valve core is movably arranged in the valve cavity, a vulcanized layer which is matched with the valve body in a sealing way is arranged on the valve core, a pressure gauge interface and an air outlet which are communicated with the valve cavity are respectively arranged on the valve body corresponding to the two sides of the valve core, and a feedback hole communicated between the air outlet and the piston cavity is arranged in the valve body, an air inlet communicated with the valve cavity is arranged on the lower valve seat, and a balance spring abutting against one end of the valve core is arranged in the lower valve seat, and the other end of the valve core penetrates through the valve cavity and abuts against the lower end face of the piston.
2. The miniature pressure relief valve of claim 1, wherein: the pressure regulating subassembly including rotate be provided with the adjustment handle on the valve gap, correspond between adjustment handle and the piston the pressure regulating spring of department setting in the piston cavity, correspond between pressure regulating spring and the adjustment handle and locate the clamping ring that sets up in the piston cavity, adjustment handle's lower extreme contradict on the clamping ring, pressure regulating spring's one end block on the piston, pressure regulating spring's the other end contradict on the clamping ring.
3. The miniature pressure relief valve of claim 2, wherein: the lower extreme of adjustment handle have protruding conflict portion of sphere, the clamping ring on have with protruding conflict portion complex sphere recess of sphere, protruding conflict portion block of sphere just constitute the linkage cooperation of adjustment handle and clamping ring in the sphere recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921319675.7U CN210266053U (en) | 2019-08-14 | 2019-08-14 | Miniature pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921319675.7U CN210266053U (en) | 2019-08-14 | 2019-08-14 | Miniature pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210266053U true CN210266053U (en) | 2020-04-07 |
Family
ID=70017340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921319675.7U Expired - Fee Related CN210266053U (en) | 2019-08-14 | 2019-08-14 | Miniature pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210266053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044005A (en) * | 2020-09-30 | 2020-12-08 | 烟台宏远载人压力舱工程技术研究院有限公司 | Water spraying fire extinguishing system for hyperbaric chamber |
-
2019
- 2019-08-14 CN CN201921319675.7U patent/CN210266053U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044005A (en) * | 2020-09-30 | 2020-12-08 | 烟台宏远载人压力舱工程技术研究院有限公司 | Water spraying fire extinguishing system for hyperbaric chamber |
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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 |
Granted publication date: 20200407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |