CN109058535A - Pressure adjustable safety valve - Google Patents
Pressure adjustable safety valve Download PDFInfo
- Publication number
- CN109058535A CN109058535A CN201811123444.9A CN201811123444A CN109058535A CN 109058535 A CN109058535 A CN 109058535A CN 201811123444 A CN201811123444 A CN 201811123444A CN 109058535 A CN109058535 A CN 109058535A
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- CN
- China
- Prior art keywords
- valve
- diaphragm
- pressure
- pressure spring
- diaphragm unit
- 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.)
- Withdrawn
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0446—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces
- F16K17/0453—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces the member being a diaphragm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The present invention relates to a kind of pressure adjustable safety valves, including valve body, valve deck, valve bonnet seal is arranged on valve body, sealed set has diaphragm unit between valve deck and valve body, the pressure regulating mechanism matched with diaphragm unit is provided on valve deck, pressure regulating mechanism includes the handwheel being arranged on the upper end of valve deck, button handsetting on handwheel is set, the screw press being linked with button handsetting, look nut on screw press is set, pressure spring, the upper end of pressure spring contradicts on look nut, the lower end of look nut contradicts on the upper surface of diaphragm unit, valve chamber is formed between diaphragm unit and valve body, the air inlet being connected with valve chamber is respectively set on the two sides of valve body, gas outlet, and it is corresponded in valve chamber and is provided with valve core case between air inlet and gas outlet, valve core case and valve seal cooperate, and the upper end of valve core case is supported Touching is on the lower end surface of diaphragm unit.The present invention has the advantages that structure is simple, stable and reliable for performance, operation is convenient.
Description
Technical field
The present invention relates to pneumatic element technical fields, and in particular to a kind of pressure adjustable safety valve.
Background technique
Currently, safety valve is that opening and closing element is in normally off, the pressure medium in equipment or pipeline under by external force
Increase when being more than specified value, by outside system discharge medium come to prevent pressure medium in pipeline or equipment be more than specified value
Special valve.Safety valve belongs to automatic valve class, is mainly used for boiler, on pressure vessels and pipes, and control pressure is no more than regulation
Value, has run important protective effect to personal safety and equipment.Existing safety valve does not have pressure adjustable function, thus the peace
The narrow scope of application of full valve is unable to satisfy the use demand of client.And there is also structure is complicated, performance is unreliable for the safety valve
Defect.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, provide a kind of structure it is simple, it is stable and reliable for performance, operation
Convenient and fast pressure adjustable safety valve.
To achieve the above object, the present invention uses a kind of pressure adjustable safety valve, including valve body, valve deck, the valve deck
It is sealingly disposed on valve body, sealed set has diaphragm unit between valve deck and valve body, is provided on the valve deck and diaphragm group
The pressure regulating mechanism that part matches, the pressure regulating mechanism include the handwheel being arranged on the upper end of valve deck, setting exist
Button handsetting on handwheel, the screw press being linked with button handsetting, look nut, the pressure regulation bullet being arranged on screw press
The upper end of spring, the pressure spring contradicts on look nut, and the lower end of look nut is contradicted in the upper surface of diaphragm unit
On, it is formed with valve chamber between the diaphragm unit and valve body, is respectively set on the two sides of the valve body and is connected with valve chamber
Air inlet, gas outlet, and corresponded in valve chamber and be provided with valve core case, valve core case and valve seal between air inlet and gas outlet
Cooperation, and the upper end of valve core case contradicts on the lower end surface of diaphragm unit.
The beneficial effect of above structure is: pressure regulating mechanism is provided on the valve deck of the safety valve, thus operator
The pressure value of the safety valve can be adjusted on demand, and in operation, operator rotates button handsetting, and button handsetting drives adjusting screw rod dynamic
Make, the compressible pressure spring of adjusting nut on adjusting screw rod, so that pressure spring can adjust the pressure value of diaphragm unit
Section, so that the adjusting of the pressure value of the safety valve is realized, and screw press is threadedly coupled cooperation with look nut, to can realize
Look nut is finely adjusted pressure spring, is conducive to the pressure degree of regulation for improving the safety valve.To which the safety valve has
Simple, stable and reliable for performance, operation the is convenient advantage of structure.
Particularly, the diaphragm unit include diaphragm support, the diaphragm that is arranged on the lower end surface of diaphragm support, it is described
Diaphragm and valve deck between be provided with diaphragm washer, and the lower end surface of diaphragm contradicts on valve core case, the diaphragm support
Upper surface contradicts on pressure spring.Diaphragm is arranged on diaphragm support, and diaphragm support plays a supporting role to diaphragm, is conducive to
The service life for extending diaphragm improves the reliability of safety valve work.
Particularly, the annular groove matched with pressure spring is provided on the upper surface of the diaphragm support, it is described
The lower end of pressure spring contradicts the clamping engagement in a ring groove and constituting pressure spring and diaphragm support.Pressure spring and diaphragm
Pallet is connected using snap-fit, convenient for the assembly of diaphragm support and pressure spring, is conducive to improve pressure spring and film
The reliability being driven between tablet tray.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the embodiment of the present invention.
Specific embodiment
As shown in Figure 1, the embodiment of the present invention is a kind of pressure adjustable safety valve, including valve body 10, valve deck 11, the valve
Lid 11 is sealingly disposed on valve body 10, and sealed set has a diaphragm unit 20 between valve deck 11 and valve body 10, on the valve deck 11
It is provided with the pressure regulating mechanism 30 matched with diaphragm unit 20, the pressure regulating mechanism 30 includes being arranged in valve deck 11
Upper end on handwheel 31, be arranged on handwheel 31 button handsetting 32, be linked with button handsetting 32 screw press 33, setting
The upper end of look nut 34, pressure spring 35 on screw press 33, the pressure spring 35 is contradicted in look nut 34
On, the lower end of look nut 34 contradicts the shape between the diaphragm unit 20 and valve body 10 on the upper surface of diaphragm unit 20
At there is valve chamber 100, the air inlet 101 being connected with valve chamber 100, gas outlet 102 are respectively set on the two sides of the valve body 10,
And corresponded in valve chamber 100 and be provided with valve core case 12 between air inlet 101 and gas outlet 102, valve core case 12 and valve body 10 seal
Cooperation, and the upper end of valve core case 12 contradicts on the lower end surface of diaphragm unit 20.The diaphragm unit 20 includes diaphragm support
21, the diaphragm 22 on the lower end surface of diaphragm support 21 is set, is provided with diaphragm washer between the diaphragm 22 and valve deck 11
23, and the lower end surface of diaphragm 22 contradicts on valve core case 12, the upper surface of the diaphragm support 21 is contradicted in pressure spring 35
On.Diaphragm is arranged on diaphragm support, and diaphragm support plays a supporting role to diaphragm, is conducive to extend the service life of diaphragm,
Improve the reliability of safety valve work.It is provided on the upper surface of the diaphragm support 21 and is matched with pressure spring 35
Annular groove 211, the lower end of the pressure spring 35 contradicts in annular groove 211 and constitutes pressure spring 35 and diaphragm support
21 clamping engagement.Pressure spring and diaphragm support are connect using snap-fit, convenient for diaphragm support and pressure spring
Assembly is conducive to improve the reliability being driven between pressure spring and diaphragm support.
It is provided with pressure regulating mechanism on the valve deck of the safety valve, so that operator can adjust the pressure of the safety valve on demand
Force value, in operation, operator rotate button handsetting, and button handsetting drives adjusting screw rod movement, the adjusting nut on adjusting screw rod
Compressible pressure spring, so that the pressure value of diaphragm unit can be adjusted in pressure spring, to realize the pressure of the safety valve
The adjusting of force value, and screw press is threadedly coupled cooperation with look nut, to can realize that look nut carries out pressure spring
Fine tuning, is conducive to the pressure degree of regulation for improving the safety valve.To the safety valve have structure it is simple, it is stable and reliable for performance,
Operate convenient advantage.
Claims (3)
1. a kind of pressure adjustable safety valve, including valve body, valve deck, it is characterised in that: the valve bonnet seal is arranged on valve body,
Sealed set has diaphragm unit between valve deck and valve body, and the pressure matched with diaphragm unit is provided on the valve deck and is adjusted
Mechanism, the pressure regulating mechanism include the handwheel being arranged on the upper end of valve deck, the button handsetting being arranged on handwheel and dial
Screw press that dynamic button is linked, look nut, the pressure spring being arranged on screw press, the pressure spring it is upper
End contradicts on look nut, and the lower end of look nut contradicts the diaphragm unit and valve on the upper surface of diaphragm unit
It is formed with valve chamber between body, the air inlet being connected with valve chamber, gas outlet, and valve chamber are respectively set on the two sides of the valve body
Valve core case is provided between interior corresponding air inlet and gas outlet, valve core case and valve seal cooperate, and the upper end of valve core case is supported
Touching is on the lower end surface of diaphragm unit.
2. pressure adjustable safety valve according to claim 1, it is characterised in that: the diaphragm unit includes diaphragm support
Disk, the diaphragm being arranged on the lower end surface of diaphragm support, are provided with diaphragm washer between the diaphragm and valve deck, and diaphragm
Lower end surface contradicts on valve core case, and the upper surface of the diaphragm support contradicts on pressure spring.
3. pressure adjustable safety valve according to claim 2, it is characterised in that: set on the upper surface of the diaphragm support
It is equipped with the annular groove matched with pressure spring, the lower end of the pressure spring contradicts in a ring groove and constitutes pressure spring
With the clamping engagement of diaphragm support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811123444.9A CN109058535A (en) | 2018-09-26 | 2018-09-26 | Pressure adjustable safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811123444.9A CN109058535A (en) | 2018-09-26 | 2018-09-26 | Pressure adjustable safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109058535A true CN109058535A (en) | 2018-12-21 |
Family
ID=64765817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811123444.9A Withdrawn CN109058535A (en) | 2018-09-26 | 2018-09-26 | Pressure adjustable safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109058535A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022237031A1 (en) * | 2021-05-12 | 2022-11-17 | 浙江鸿友压缩机制造有限公司 | Air compressor pressure-regulating valve capable of conveniently regulating pressure set interval value |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH160519A (en) * | 1932-05-04 | 1933-03-15 | Nyffenegger & Co | Safety valve for gases and liquids. |
| US2678187A (en) * | 1949-06-30 | 1954-05-11 | Layman R Peters | Valve assembly |
| US5857486A (en) * | 1996-09-24 | 1999-01-12 | 1219737 Ontario Inc. | Pressure relief or back pressure valve |
| CN101078446A (en) * | 2006-05-27 | 2007-11-28 | 范绍魁 | Pressure safety valve |
| CN104061347A (en) * | 2014-06-18 | 2014-09-24 | 浙江春晖智能控制股份有限公司 | Safety blow-off valve for gas pipeline |
| CN204573227U (en) * | 2015-04-27 | 2015-08-19 | 瑞立集团瑞安汽车零部件有限公司 | A kind of diaphragm type relief valve |
| CN204828765U (en) * | 2015-07-06 | 2015-12-02 | 日照市大华流体控制有限公司 | Cluster spring formula diaphragm valve |
| CN204852363U (en) * | 2015-07-29 | 2015-12-09 | 成都久宇燃气设备有限公司 | A diffuse valve for natural gas |
| CN205859281U (en) * | 2016-07-07 | 2017-01-04 | 浙江百灵气动科技有限公司 | A kind of air relief valve |
| CN205937963U (en) * | 2016-08-24 | 2017-02-08 | 泉州市沪航阀门制造有限公司 | Novel diaphragm type valve that drenches |
| CN208816758U (en) * | 2018-09-26 | 2019-05-03 | 百灵气动科技有限公司 | Pressure adjustable safety valve |
-
2018
- 2018-09-26 CN CN201811123444.9A patent/CN109058535A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH160519A (en) * | 1932-05-04 | 1933-03-15 | Nyffenegger & Co | Safety valve for gases and liquids. |
| US2678187A (en) * | 1949-06-30 | 1954-05-11 | Layman R Peters | Valve assembly |
| US5857486A (en) * | 1996-09-24 | 1999-01-12 | 1219737 Ontario Inc. | Pressure relief or back pressure valve |
| CN101078446A (en) * | 2006-05-27 | 2007-11-28 | 范绍魁 | Pressure safety valve |
| CN104061347A (en) * | 2014-06-18 | 2014-09-24 | 浙江春晖智能控制股份有限公司 | Safety blow-off valve for gas pipeline |
| CN204573227U (en) * | 2015-04-27 | 2015-08-19 | 瑞立集团瑞安汽车零部件有限公司 | A kind of diaphragm type relief valve |
| CN204828765U (en) * | 2015-07-06 | 2015-12-02 | 日照市大华流体控制有限公司 | Cluster spring formula diaphragm valve |
| CN204852363U (en) * | 2015-07-29 | 2015-12-09 | 成都久宇燃气设备有限公司 | A diffuse valve for natural gas |
| CN205859281U (en) * | 2016-07-07 | 2017-01-04 | 浙江百灵气动科技有限公司 | A kind of air relief valve |
| CN205937963U (en) * | 2016-08-24 | 2017-02-08 | 泉州市沪航阀门制造有限公司 | Novel diaphragm type valve that drenches |
| CN208816758U (en) * | 2018-09-26 | 2019-05-03 | 百灵气动科技有限公司 | Pressure adjustable safety valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022237031A1 (en) * | 2021-05-12 | 2022-11-17 | 浙江鸿友压缩机制造有限公司 | Air compressor pressure-regulating valve capable of conveniently regulating pressure set interval value |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181221 |