CN106931207A - A kind of novel fluid pressure maintaining valve - Google Patents
A kind of novel fluid pressure maintaining valve Download PDFInfo
- Publication number
- CN106931207A CN106931207A CN201710178766.2A CN201710178766A CN106931207A CN 106931207 A CN106931207 A CN 106931207A CN 201710178766 A CN201710178766 A CN 201710178766A CN 106931207 A CN106931207 A CN 106931207A
- Authority
- CN
- China
- Prior art keywords
- pressure
- valve
- valve body
- guide hole
- cavity
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 18
- 239000003381 stabilizer Substances 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 55
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
A kind of novel fluid pressure maintaining valve, including the valve body of interconnected entrance, outlet and valve body cavity is provided with, voltage-stabiliser tube is provided with valve body cavity, voltage-stabiliser tube head end is provided with the pressure guide hole connected with valve body cavity, tail end and outlet；The valve body is provided with the stable-pressure device of regulation pressure guide hole aperture.The present invention is when outlet pressure is higher or lower than setting pressure, stable-pressure device dynamic regulation with the change of outlet pressure, outlet pressure is set to keep constant, valve body cavity is used as cushion chamber, when stable-pressure device is adjusted, play a part of auxiliary adjustment, buffering, further optimizing regulation effect makes outlet pressure more constant.
Description
Technical field
The present invention relates to a kind of novel fluid pressure maintaining valve.
Background technology
In the prior art, the position that a relief spring carrys out adjusting spool is placed in the cavity of pressure maintaining valve, when pressure maintaining valve
Inlet pressure more than relief spring set pressure when, relief spring be under pressure so that adjusting spool position, go out pressure maintaining valve
Mouth pressure is balanced with spring pressure, reaches voltage stabilizing purpose, but when inlet pressure is less than setting pressure, relief spring also has necessarily
Depressurization, produce certain resistance, make outlet pressure less than inlet pressure, limit some use occasions.
Accordingly, it would be desirable to further improve.
The content of the invention
It is an object of the invention to overcome the shortcomings of that above-mentioned prior art is present, and a kind of novel fluid pressure maintaining valve is provided,
When its outlet pressure is less than or sets pressure, by the regulation of stable-pressure device, keep outlet pressure constant.
The object of the present invention is achieved like this：
A kind of novel fluid pressure maintaining valve, including the valve body of interconnected entrance, outlet and valve body cavity is provided with, it is provided with valve body cavity
Voltage-stabiliser tube, voltage-stabiliser tube head end is provided with the pressure guide hole connected with valve body cavity, tail end and outlet；The valve body is provided with regulation and leads
Press the stable-pressure device of hole aperture.
The stable-pressure device includes pressure stabilizing cavity, valve rod and the valve element of adjustable volume；Valve handle activity is arranged on valve body, its
Head end is stretched into pressure stabilizing cavity, and the position of tail end correspondence voltage-stabiliser tube extends downwardly into valve body cavity, and valve element is arranged on the tail end of valve rod, valve rod
Hollow with valve element and interconnected composition pilot passage, pilot passage is connected with pressure stabilizing cavity, valve body cavity or pressure guide hole respectively, valve
Core opens or closes pressure guide hole with the activity of valve rod；When the outlet pressure is less than setting pressure, pressure stabilizing cavity volume diminishes, valve rod
Moved to the positive direction of pressure guide hole, valve element increases pressure guide hole aperture, until outlet pressure is equal to setting pressure, the outlet pressure
During higher than setting pressure, pressure stabilizing cavity volume becomes big, and valve rod is moved to the opposite direction of pressure guide hole, and valve element reduces pressure guide hole aperture, directly
Setting pressure is equal to outlet pressure.
The stable-pressure device also includes voltage stabilizing elastic valve plate and voltage stabilizing lid, and both mutually cover sealing and constitute pressure stabilizing cavity, valve
The head end of bar is sealedly connected in voltage stabilizing elastic valve plate；Voltage stabilizing elastic valve plate elastic expansion or elastic shrinkage make pressure stabilizing cavity
Volume becomes big or reduces, and drives valve rod to extend downwardly into or shrink upwards, valve element is reduced pressure guide hole aperture or increase pressure guide hole
Aperture.
The valve body is provided with the voltage stabilizing support for installing stable-pressure device, is provided with for accommodating pressure stabilizing cavity in voltage stabilizing support
Counter balance pocket, more than the maximum volume of pressure stabilizing cavity, voltage stabilizing support is provided with that to connect counter balance pocket open to atmosphere for the volume of the counter balance pocket
Through hole.
The valve rod is provided with resetting means, and it is abutted with pressure stabilizing cavity.
The resetting means is back-moving spring.
The voltage-stabiliser tube is located at the inside center of valve body cavity, and pressure guide hole thereon is bellmouth, and valve element is taper valve core.
The voltage stabilizing elastic valve plate is made up of rubber or plastics.
The present invention has the beneficial effect that：
When outlet pressure is higher or lower than setting pressure, stable-pressure device dynamic regulation with the change of outlet pressure makes outlet
Pressure keeps constant, and valve body cavity, when stable-pressure device is adjusted, plays a part of auxiliary adjustment, buffering, further as cushion chamber
Optimizing regulation effect, makes outlet pressure more constant.
Brief description of the drawings
Fig. 1 is the sectional view of one embodiment of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Referring to Fig. 1, this novel fluid pressure maintaining valve, it is characterised in that including being provided with interconnected entrance 11,12 and of outlet
Voltage-stabiliser tube 14 is provided with the valve body 1 of valve body cavity 13, valve body cavity 13, the head end of voltage-stabiliser tube 14 is provided with the pressure guide hole connected with valve body cavity 13
141, tail end is connected with outlet 12；The valve body 1 is provided with the stable-pressure device of the regulation aperture of pressure guide hole 141.Outlet pressure is less than
Or during more than setting pressure, by the regulation of stable-pressure device, still keep outlet pressure constant.
Stable-pressure device includes pressure stabilizing cavity 31, valve rod 51 and the valve element 52 of adjustable volume；Valve rod 51 is movably arranged on valve body 1
On, its head end is stretched into pressure stabilizing cavity 31, and the position of tail end correspondence voltage-stabiliser tube 14 extends downwardly into valve body cavity 13, and valve element 52 is arranged on valve
Hollow and interconnected composition pilot passage 511 in the tail end of bar 51, valve rod 51 and valve element 52, pilot passage 511 respectively with surely
Pressure chamber 31, valve body cavity 13 or pressure guide hole 141 are connected, and valve element 52 opens or closes pressure guide hole 141 with the activity of valve rod 51.
When exporting 12 pressure less than setting pressure, the volume of pressure stabilizing cavity 31 diminishes, and valve rod 51 is moved to the positive direction of pressure guide hole 141
Dynamic, valve element 52 increases the aperture of pressure guide hole 141, so that increase the flow section that fluid passes through voltage-stabiliser tube 14 or pressure guide hole 141, directly
Setting pressure is equal to 12 pressure of outlet（Export 12 pressure constant）；Valve body cavity 13 is adjusted as cushion chamber in stable-pressure device
When, playing a part of auxiliary adjustment, buffering, further optimizing regulation effect makes the pressure of outlet 12 more constant.Stable-pressure device with
The change of the pressure of entrance 11 and dynamic regulation, make the pressure of outlet 12 keep constant.
The pressure stabilizing cavity 31 of adjustable volume can be made up of elastomeric material, or be formed by setting elastic device, its bullet
The pressure of elastic recoil is identical with setting pressure.
Stable-pressure device also includes voltage stabilizing elastic valve plate 2 and voltage stabilizing lid 4, and both mutually cover sealing and constitute pressure stabilizing cavity 31.Bullet
Property valve block 2 can be made of with the elastomeric material of larger elastic recoil pressure；Or be made up of Stretch material, then coordinate
Following resetting means with larger elastic recoil pressure, you can meet the use requirement of volume adjusted, those skilled in the art
Member is appreciated that.
The head end of valve rod 51 is sealedly connected in voltage stabilizing elastic valve plate 2；The voltage stabilizing elastic valve plate 2 elastic expansion or elasticity
Contraction makes the volume of pressure stabilizing cavity 31 become big or reduce, and drives valve rod 51 to extend downwardly into or shrink upwards, reduces valve element 52 and leads
The aperture of the pressure aperture of hole 141 or increase pressure guide hole 141, so as to realize the flowing for passing through voltage-stabiliser tube 14 or pressure guide hole 141 to fluid
The regulation of sectional area, makes outlet pressure constant.
Valve body 1 is provided with the voltage stabilizing support 6 for installing stable-pressure device, voltage stabilizing support 6 and is provided with for accommodating pressure stabilizing cavity 31
Counter balance pocket 32, more than the maximum volume of pressure stabilizing cavity 31, voltage stabilizing support 6 is provided with connects counter balance pocket 32 for the volume of counter balance pocket 32
The through hole 41 of air, enable pressure stabilizing cavity 31 freely, unimpededly elastic expansion or elastic shrinkage.
Valve rod 51 is provided with resetting means, and it is abutted with pressure stabilizing cavity 31, and resetting means is back-moving spring 53, can be driven
Pressure stabilizing cavity 31 is set to reset, so as to improve the accommodation accuracy of the pressure of outlet 12 of pressure maintaining valve.
Voltage-stabiliser tube 14 is located at the inside center of valve body cavity 13, and pressure guide hole 141 thereon is bellmouth, and valve element 52 is cone valve
Core, regulating effect is good, can avoid stuck phenomenon, it is ensured that flow of fluid is smooth.
Voltage stabilizing elastic valve plate 2 is made up of rubber or plastics, and resilience effect is good, and its elastic recoil power is easily adjusted, more
It is smaller close to setting pressure, tolerance, further improve regulating effect.
Above-described embodiment is preferred scheme of the invention, and the present invention can also have other embodiments.The technology of this area
Personnel can also make equivalent variations or replacement on the premise of without prejudice to spirit of the invention, and these equivalent modifications or replacement are wrapped
It is contained in the scope set by the application claim.
Claims (8)
1. a kind of novel fluid pressure maintaining valve, it is characterised in that including being provided with interconnected entrance（11）, outlet（12）And valve body
Chamber（13）Valve body（1）, valve body cavity（13）Inside it is provided with voltage-stabiliser tube（14）, voltage-stabiliser tube（14）Head end is provided with and valve body cavity（13）Connection
Pressure guide hole（141）, tail end with outlet（12）Connection；The valve body（1）It is provided with regulation pressure guide hole（141）The voltage stabilizing dress of aperture
Put.
2. novel fluid pressure maintaining valve according to claim 1, it is characterised in that the stable-pressure device includes adjustable volume
Pressure stabilizing cavity（31）, valve rod（51）And valve element（52）；Valve rod（51）It is movably arranged on valve body（1）On, its head end stretches into pressure stabilizing cavity
（31）It is interior, tail end correspondence voltage-stabiliser tube（14）Position extend downwardly into valve body cavity（13）, valve element（52）Installed in valve rod（51）Tail
End, valve rod（51）And valve element（52）Interior hollow and interconnected composition pilot passage（511）, pilot passage（511）Respectively with surely
Pressure chamber（31）, valve body cavity（13）Or pressure guide hole（141）Connection, valve element（52）With valve rod（51）Activity open or close pressure guide hole
（141）；The outlet（12）When pressure is less than setting pressure, pressure stabilizing cavity（31）Volume diminishes, valve rod（51）To pressure guide hole（141）
Positive direction movement, valve element（52）Increase pressure guide hole（141）Aperture, until outlet（12）Pressure be equal to setting pressure, it is described go out
Mouthful（12）When pressure is higher than setting pressure, pressure stabilizing cavity（31）Volume becomes big, valve rod（51）To pressure guide hole（141）Opposite direction move
It is dynamic, valve element（52）Reduce pressure guide hole（141）Aperture, until outlet（12）Pressure is equal to setting pressure.
3. novel fluid pressure maintaining valve according to claim 2, it is characterised in that the stable-pressure device also includes voltage stabilizing elasticity
Valve block（2）With voltage stabilizing lid（4）, both mutually cover sealing and constitute pressure stabilizing cavity（31）, valve rod（51）Head end be sealedly connected on surely
Compression elasticity valve block（2）It is interior；The voltage stabilizing elastic valve plate（2）Elastic expansion or elastic shrinkage make pressure stabilizing cavity（31）Volume become it is big or
Reduce, and drive valve rod（51）Extend downwardly into or shrink upwards, make valve element（52）Reduce pressure guide hole（141）Aperture or increase pilot
Hole（141）Aperture.
4. novel fluid pressure maintaining valve according to claim 2, it is characterised in that the valve body（1）It is provided with steady for installing
The voltage stabilizing support of pressure device（6）, voltage stabilizing support（6）Inside it is provided with for accommodating pressure stabilizing cavity（31）Counter balance pocket（32）, the balance
Chamber（32）Volume be more than pressure stabilizing cavity（31）Maximum volume, voltage stabilizing support（6）Being provided with makes counter balance pocket（32）It is even open to atmosphere
Through hole（41）.
5. novel fluid pressure maintaining valve according to claim 2, it is characterised in that the valve rod（51）It is provided with reset dress
Put, itself and pressure stabilizing cavity（31）Abut.
6. novel fluid pressure maintaining valve according to claim 2, it is characterised in that the resetting means is back-moving spring
（53）.
7. the novel fluid pressure maintaining valve according to claim any one of 2-6, it is characterised in that the voltage-stabiliser tube（14）It is located at
Valve body cavity（13）Inside center, pressure guide hole thereon（141）It is bellmouth, valve element（52）It is taper valve core.
8. the novel fluid pressure maintaining valve according to claim any one of 2-6, it is characterised in that the voltage stabilizing elastic valve plate
（2）It is made up of rubber or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710178766.2A CN106931207A (en) | 2017-03-23 | 2017-03-23 | A kind of novel fluid pressure maintaining valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710178766.2A CN106931207A (en) | 2017-03-23 | 2017-03-23 | A kind of novel fluid pressure maintaining valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106931207A true CN106931207A (en) | 2017-07-07 |
Family
ID=59426250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710178766.2A Pending CN106931207A (en) | 2017-03-23 | 2017-03-23 | A kind of novel fluid pressure maintaining valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106931207A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223869A (en) * | 2018-03-15 | 2018-06-29 | 常州市汇丰船舶附件制造有限公司 | A kind of marine high-pressure air back pressure valve |
| CN110792825A (en) * | 2019-12-09 | 2020-02-14 | 谷力(厦门)科技有限公司 | Fluid pressure stabilizing valve with end cover sealing and supporting structure |
| CN111364957A (en) * | 2020-04-09 | 2020-07-03 | 中国石油天然气股份有限公司 | Miniaturized constant-current water distribution structure and detection device thereof |
| WO2021153272A1 (en) * | 2020-01-31 | 2021-08-05 | 川崎重工業株式会社 | Pressure reducing valve, valve unit, valve device, and plate spring |
| CN113790294A (en) * | 2021-09-17 | 2021-12-14 | 温州联越自控阀门有限公司 | Convenient and durable pressure reducing valve |
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| CN2628828Y (en) * | 2003-05-31 | 2004-07-28 | 河北平衡阀门制造有限公司 | Self-operated auto-differential control valve |
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| CN201615269U (en) * | 2009-12-24 | 2010-10-27 | 中业阀门集团有限公司 | Reverse-flow internal spray hole depressurizing and pressure-stabilizing valve |
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| CN203614829U (en) * | 2013-12-18 | 2014-05-28 | 李世璐 | Balancing device of gas pressure regulator |
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| CN105202239A (en) * | 2015-08-25 | 2015-12-30 | 江西中船航海仪器有限公司 | Diaphragm-type liquid pressure regulating valve |
| CN205136711U (en) * | 2015-12-01 | 2016-04-06 | 河北凯瑞特燃气设备有限公司 | A built -in building voltage regulator that cuts off signal pipe |
| CN207018594U (en) * | 2017-03-23 | 2018-02-16 | 佛山吉宝信息科技有限公司 | A kind of novel fluid pressure maintaining valve |
-
2017
- 2017-03-23 CN CN201710178766.2A patent/CN106931207A/en active Pending
Patent Citations (12)
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| JPH0781690A (en) * | 1993-08-25 | 1995-03-28 | Samson Ag Mess & Regeltechnik | Adjusting device with auxiliary steering device |
| CN2229019Y (en) * | 1994-12-17 | 1996-06-12 | 鞍山自控仪表(集团)股份有限公司 | Self-force pressure regulating valve |
| CN2622507Y (en) * | 2003-05-30 | 2004-06-30 | 谢植培 | Pressure-reducing, stabilizing and limiting safety valve |
| CN2628828Y (en) * | 2003-05-31 | 2004-07-28 | 河北平衡阀门制造有限公司 | Self-operated auto-differential control valve |
| CN2744909Y (en) * | 2004-06-30 | 2005-12-07 | 赵猛 | Direct-operated leak-proof valve |
| CN201615269U (en) * | 2009-12-24 | 2010-10-27 | 中业阀门集团有限公司 | Reverse-flow internal spray hole depressurizing and pressure-stabilizing valve |
| CN202597828U (en) * | 2012-06-01 | 2012-12-12 | 王志强 | Self-operated pressure difference controller |
| JP2015007443A (en) * | 2013-06-25 | 2015-01-15 | 株式会社鷺宮製作所 | Pressure operation valve |
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| CN105202239A (en) * | 2015-08-25 | 2015-12-30 | 江西中船航海仪器有限公司 | Diaphragm-type liquid pressure regulating valve |
| CN205136711U (en) * | 2015-12-01 | 2016-04-06 | 河北凯瑞特燃气设备有限公司 | A built -in building voltage regulator that cuts off signal pipe |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223869A (en) * | 2018-03-15 | 2018-06-29 | 常州市汇丰船舶附件制造有限公司 | A kind of marine high-pressure air back pressure valve |
| CN110792825A (en) * | 2019-12-09 | 2020-02-14 | 谷力(厦门)科技有限公司 | Fluid pressure stabilizing valve with end cover sealing and supporting structure |
| WO2021153272A1 (en) * | 2020-01-31 | 2021-08-05 | 川崎重工業株式会社 | Pressure reducing valve, valve unit, valve device, and plate spring |
| JP2021124130A (en) * | 2020-01-31 | 2021-08-30 | 川崎重工業株式会社 | Pressure reduction valve, valve unit, valve device, and plate spring |
| JP7353197B2 (en) | 2020-01-31 | 2023-09-29 | 川崎重工業株式会社 | Pressure reducing valve and valve unit |
| CN111364957A (en) * | 2020-04-09 | 2020-07-03 | 中国石油天然气股份有限公司 | Miniaturized constant-current water distribution structure and detection device thereof |
| CN111364957B (en) * | 2020-04-09 | 2024-03-01 | 中国石油天然气股份有限公司 | Miniaturized constant-current water distribution structure and detection device thereof |
| CN113790294A (en) * | 2021-09-17 | 2021-12-14 | 温州联越自控阀门有限公司 | Convenient and durable pressure reducing valve |
| CN113790294B (en) * | 2021-09-17 | 2024-01-23 | 珠海市福洛施科技有限公司 | Convenient durable relief pressure valve |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No.301, block 1, gaojun science and technology innovation center, No.1 Chaogui South Road, Ronggui xiaohuangpu neighborhood committee, Shunde District, Foshan City, Guangdong Province Applicant after: GUANGDONG JIBAO ELECTRICAL APPLIANCE TECHNOLOGY Co.,Ltd. Address before: 528305 Guangdong province Foshan city Shunde District Ronggui Huangpu small neighborhood of Shunde hi tech Zone (Ronggui) Jianye Road No. 7 the first floor of the four Applicant before: FOSHAN JIBAO INFORMATION TECHNOLOGY Co.,Ltd. |
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Application publication date: 20170707 |
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| RJ01 | Rejection of invention patent application after publication |