CN202176781U - Pressure regulating valve - Google Patents
Pressure regulating valve Download PDFInfo
- Publication number
- CN202176781U CN202176781U CN2011202838744U CN201120283874U CN202176781U CN 202176781 U CN202176781 U CN 202176781U CN 2011202838744 U CN2011202838744 U CN 2011202838744U CN 201120283874 U CN201120283874 U CN 201120283874U CN 202176781 U CN202176781 U CN 202176781U
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- valve
- valve body
- pressure
- screw rod
- spring
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Abstract
A pressure regulating valve capable of regulating system pressure and stabilizing the system pressure is composed of a hand wheel, a screw rod, a nut, a valve cover, a sliding column, a sealing ring, a spring, a valve body, a valve core and the like. A cavity of the valve body is an axial left end large diameter cylindrical hole. A middle conical face transits to a right end small diameter cylindrical hole which is a fluid outlet processed on the valve body. A valve cover cavity is a cylindrical inner thread step hole with a small left end and a right large end, the outer conical face of a valve core axial right end is matched with an inner conical face of the valve body, and a sealing ring groove is processed on a sliding column axial column face deviating to the right end. A valve core, a spring and the sliding column are sequentially installed in the cavity of the valve body in matching mode, the valve cover and the valve body are in threaded connection and screwed tightly, a screw rod outer cylinder threaded face is screwed in a cavity threaded hole at the left end of the valve cover by rotating the hand wheel, compression deformation of the spring is changed by rotating the hand wheel, and the system pressure can be regulated. When the system is in an overpressure state, the valve core is opened, an outlet is communicated with an inlet, and pressure is released through overflow, there by having the effect of system pressure stabilizing and safety protecting. The pressure regulating valve is simple in structure and convenient to regulate.
Description
Technical field
The utility model relates to a kind of hydrodynamic pressure controlling device, especially can guarantee the pressure regulator valve that hydrodynamic pressure is constant.
Background technique
Hydropneumatic equipment in the industrial and agricultural production; Fluid transmission occasion needs regulated fluid pressure, and fluid pressure control valve commonly used has relief valve, reduction valve, sequence valve, pressure relay etc.; The effect of pressure controlled valve is; Make the pressure of controlled fluid loop or system keep stable, realize steady pressure, regulate pressure, limit the effect of pressure.Along with hydropneumatics, the extensive use of fluid transmission device needs kind specification more fluid pressure regulator valve, satisfies usage requirement.
Summary of the invention
The utility model provides a kind of pressure regulator valve that can guarantee that hydrodynamic pressure is constant, and this pressure regulator valve can change by governor pressure easily, guarantees controlled constant pressure.
The technological scheme that the utility model adopted is: pressure regulator valve has valve body, spool, handwheel; Screw rod, valve gap, traveller, seal ring, spring; It is characterized in that: the outer conical surface that spool is arranged in body cavity cooperates with the valve body internal conical surface; Traveller contacts with spool through spring in the body cavity, changes the axial position of screw rod with respect to valve body, adjustable fixed system pressure.Traveller cooperates with the body cavity cylndrical surface is convenient to sealing.On the screw rod left end flank of thread locking nut is housed, after screw rod is adjusted to and required the position,, guarantees that set pressure is constant with the axial position of locking nut standing screw and valve gap.Said valve outer surface is the cylinder outside thread of left end than minor diameter; The larger-diameter outer cylinder of right-hand member; Said body cavity is axial left end cylinder with large diameter hole; The middle circle conical surface transition is to right-hand member small diameter cylinders hole, and this small diameter cylinders hole is a fluid inlet, and the place processes fluid output in the radially corresponding inner chamber cylinder with large diameter of valve body hole; Said valve gap outer surface is the big cylinder table terrace of the little right-hand member of left end; The valve gap inner chamber is the big cylinder internal thread step hole of the little right-hand member of left end; This valve gap inner chamber left end small diameter cylinders interior threaded hole and screw rod outside thread screw, and this valve gap inner chamber right-hand member cylinder with large diameter interior threaded hole and valve body left end screw than the cylinder outside thread of minor diameter; Said poppet shaft is followed successively by outer conical surface, cylndrical surface, roundlet cylinder to right-to-left, this outer conical surface and body cavity middle circle cone match, and this roundlet cylinder is a spring seat; The axial right-to-left of said traveller is followed successively by minor diameter external cylindrical surface, major diameter external cylindrical surface, conical surface left small and right large; Wherein great circle cylinder inclined right end processes o-ring groove; Sealing circle groove dimensions is corresponding with the seal ring size; This minor diameter external cylindrical surface is a spring seat, and traveller cooperates with the body cavity cylndrical surface is convenient to sealing.Said screw rod is outer cylinder screw thread, the transition conical surface left large and right small from left to right, than cylindrical body, the axle head chamfer surface left large and right small of minor diameter.During assembling, at first be fixedly attached to the screw rod left end to handwheel, nut screws in from screw rod right-hand member outer cylinder flank of thread; Be screwed into the screw rod left end near the handwheel place; In seal ring pack into o-ring groove from the traveller right-hand member, then successively spool, spring, traveller by cooperating the requirements body cavity of packing into, traveller passes through spring and contacts with spool; Valve gap inner chamber right-hand member cylinder with large diameter interior threaded hole and valve body left end screw than the cylinder outside thread of minor diameter; Tighten, the small diameter cylinders interior threaded hole of screw rod right-hand member aligning valve gap inner chamber left end, rotation hand wheel screws in screw rod outer cylinder flank of thread in the valve gap left end thread in inner cavity hole.The axial position of the relative valve gap of rotation hand wheel adjustment screw rod, then the axial position of traveller in valve body changes thereupon, changes the compression deformation of the spring amount, and spring force is compared to the active force of spool with inlet fluid, has determined the system pressure of modulating valve control; When the adjustment handwheel reaches the pressure of system requirements, to valve gap, prevent the loosening set pressure that influences of screw rod to nut screwing clamping; The seal ring that assembles on the traveller cooperates with the body cavity cylndrical surface, stops fluid to be revealed to the valve body left end, plays seal action.
The beneficial effect of the utility model is, pressure regulator valve incoming stream system, and when system's actual pressure during greater than the pressure regulator valve set pressure, spool is opened; Outlet is communicated with import, and stable system pressure is played in the overflow pressure release; The safety protection effect, this pressure regulator valve is simple in structure, and is easy to adjust.
Description of drawings
Below in conjunction with accompanying drawing and instance this practical property is further specified.Obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment of the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the protection domain of the utility model.
Fig. 1 is the axial section structural representation of the utility model.
Among Fig. 1,1. handwheel, 2. screw rod, 3. nut, 4. valve gap, 5. traveller, 6. seal ring, 7. spring, 8. outlet, 9. valve body, 10. spool, 11. imports.
Embodiment
Pressure regulator valve among Fig. 1 is by handwheel 1, screw rod 2, and nut 3, valve gap 4, traveller 5, seal ring 6, spring 7, valve body 9, spool 10 is formed.During assembling; At first be fixedly attached to screw rod 2 left ends to handwheel 1, nut 3 screws in from screw rod 2 right-hand member outer cylinder flank of thread, is screwed into screw rod 2 left ends near handwheel 1 place; In seal ring 6 pack into o-ring groove from traveller 5 right-hand members; Then successively spool 10, spring 7, traveller 5 by cooperating requirement valve body 9 inner chambers of packing into, valve gap 4 inner chamber right-hand member cylinder with large diameter interior threaded holes and valve body 9 left ends screw than the cylinder outside thread of minor diameter, tighten; The small diameter cylinders interior threaded hole of screw rod 2 right-hand members aligning valve gap 4 inner chamber left ends, rotation hand wheel 1 screws in screw rod 2 outer cylinder flank of thread in the valve gap 4 left end thread in inner cavity holes.The axial position of rotation hand wheel 1 adjustment screw rod 2 relative valve gaps 4; Then the axial position of traveller 5 in valve body 9 changes thereupon; Change the compress variation of spring 7, spring 7 elastic force are compared to the active force of spool 10 with import 11 fluids, have determined the system pressure of modulating valve control; When adjustment handwheel 1 reaches the pressure of system requirements, tighten to nut 3 on the valve gap 4, prevent the screw rod 2 loosening set pressures that influence; The seal ring of assembling cooperates with valve body 9 inner chamber cylndrical surface on the traveller 5, stops fluid to be revealed to valve body 9 left ends, plays seal action.
The working principle of the utility model is: import 11 welding systems on the valve body 9 on the pressure side export 8 connected tanks.When needs height-adjusting system working pressure, rotation hand wheel 1 moves to right screw rod 2, and spring 7 is compressed; Elastic force increase promotion spool 10 moves to right and closes import 11; Have only when system's actual pressure surpasses the pressure regulator valve setting pressure, spool overcomes spring force and moves to left under fluid pressure action, and segment fluid flow overflows back fuel tank through import 11, conical surface slit, outlet 8; Keep constant pressure, protective system safety.In the time of need turning down system works pressure, opposite with said process.
Claims (4)
1. pressure regulator valve; Valve body, spool, handwheel are arranged; Screw rod, valve gap, traveller, seal ring, spring is characterized in that: the outer conical surface that spool is arranged in body cavity cooperates with the valve body internal conical surface, and traveller contacts with spool through spring in the body cavity; Change the axial position of screw rod, adjustable fixed system pressure with respect to valve body.
2. pressure regulator valve according to claim 1 is characterized in that: in the traveller o-ring groove seal ring is housed, the sealing circle contacts with valve body cylindrical hole internal surface, prevents that escape of liquid from arriving the valve body left end.
3. pressure regulator valve according to claim 1 is characterized in that: screw rod is through traveller adjustment spring deflection, and traveller cooperates with the body cavity cylndrical surface is convenient to sealing.
4. pressure regulator valve according to claim 1 is characterized in that: on the screw rod left end flank of thread locking nut is housed, after screw rod is adjusted to and required the position, with the axial position of locking nut standing screw and valve gap, guarantees that set pressure is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202838744U CN202176781U (en) | 2011-08-05 | 2011-08-05 | Pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202838744U CN202176781U (en) | 2011-08-05 | 2011-08-05 | Pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202176781U true CN202176781U (en) | 2012-03-28 |
Family
ID=45866659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202838744U Expired - Fee Related CN202176781U (en) | 2011-08-05 | 2011-08-05 | Pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202176781U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773056A (en) * | 2012-07-10 | 2012-11-14 | 上海新拓分析仪器科技有限公司 | Sealing device for microwave digestion tank |
| CN103291679A (en) * | 2013-06-04 | 2013-09-11 | 浙江大学 | Low-hysteresis overflow valve |
| CN103573262A (en) * | 2012-08-08 | 2014-02-12 | 德州华海石油机械有限公司 | Pressure test device for oil field pumping device |
| CN104681839A (en) * | 2015-01-06 | 2015-06-03 | 上海新源动力有限公司 | Pressure regulating device of proton exchange membrane fuel cell engine air system |
| CN105090580A (en) * | 2015-07-16 | 2015-11-25 | 中国石油天然气股份有限公司 | Pressure regulating type pressure control valve |
| CN106092562A (en) * | 2016-08-30 | 2016-11-09 | 中国海洋大学 | A kind of sealing ring rotary dynamic seal characteristic experimental apparatus and experimental technique |
| CN106353080A (en) * | 2016-08-30 | 2017-01-25 | 中国海洋大学 | Experimental device and experimental method for linear dynamic sealing characteristics of sealing rings |
| CN106783420A (en) * | 2016-12-21 | 2017-05-31 | 河南平高电气股份有限公司 | A kind of breaker spring energy-storage type hydraulic actuating mechanism |
| CN106949277A (en) * | 2017-05-04 | 2017-07-14 | 贵州煤层气能源开发有限公司 | A kind of fracturing fluid recovery (backflow) motor valve |
| CN107654702A (en) * | 2017-10-19 | 2018-02-02 | 上海诺科泵业有限公司 | A kind of check valve |
| CN110660574A (en) * | 2019-10-19 | 2020-01-07 | 天晟电气股份有限公司 | Three-dimensional roll iron core double-split transformer with novel lead structure |
| CN111140619A (en) * | 2020-01-03 | 2020-05-12 | 北京强度环境研究所 | Damping valve of hydraulic shock absorber and hydraulic shock absorber |
-
2011
- 2011-08-05 CN CN2011202838744U patent/CN202176781U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773056A (en) * | 2012-07-10 | 2012-11-14 | 上海新拓分析仪器科技有限公司 | Sealing device for microwave digestion tank |
| CN103573262A (en) * | 2012-08-08 | 2014-02-12 | 德州华海石油机械有限公司 | Pressure test device for oil field pumping device |
| CN103291679A (en) * | 2013-06-04 | 2013-09-11 | 浙江大学 | Low-hysteresis overflow valve |
| CN103291679B (en) * | 2013-06-04 | 2015-07-15 | 浙江大学 | Low-hysteresis overflow valve |
| CN104681839A (en) * | 2015-01-06 | 2015-06-03 | 上海新源动力有限公司 | Pressure regulating device of proton exchange membrane fuel cell engine air system |
| CN105090580B (en) * | 2015-07-16 | 2017-09-01 | 中国石油天然气股份有限公司 | Pressure-adjusting type pressure control valve |
| CN105090580A (en) * | 2015-07-16 | 2015-11-25 | 中国石油天然气股份有限公司 | Pressure regulating type pressure control valve |
| CN106353080B (en) * | 2016-08-30 | 2019-02-15 | 中国海洋大学 | A kind of sealing ring straight line dynamic sealing characteristic experimental apparatus and experimental method |
| CN106353080A (en) * | 2016-08-30 | 2017-01-25 | 中国海洋大学 | Experimental device and experimental method for linear dynamic sealing characteristics of sealing rings |
| CN106092562A (en) * | 2016-08-30 | 2016-11-09 | 中国海洋大学 | A kind of sealing ring rotary dynamic seal characteristic experimental apparatus and experimental technique |
| CN106783420A (en) * | 2016-12-21 | 2017-05-31 | 河南平高电气股份有限公司 | A kind of breaker spring energy-storage type hydraulic actuating mechanism |
| CN106949277A (en) * | 2017-05-04 | 2017-07-14 | 贵州煤层气能源开发有限公司 | A kind of fracturing fluid recovery (backflow) motor valve |
| CN106949277B (en) * | 2017-05-04 | 2022-12-16 | 贵州煤层气能源开发有限公司 | Automatic regulating valve for flow of return fracturing fluid |
| CN107654702A (en) * | 2017-10-19 | 2018-02-02 | 上海诺科泵业有限公司 | A kind of check valve |
| CN107654702B (en) * | 2017-10-19 | 2024-05-17 | 上海诺科泵业有限公司 | One-way valve |
| CN110660574A (en) * | 2019-10-19 | 2020-01-07 | 天晟电气股份有限公司 | Three-dimensional roll iron core double-split transformer with novel lead structure |
| CN110660574B (en) * | 2019-10-19 | 2022-05-24 | 天晟电气股份有限公司 | Three-dimensional roll iron core double-split transformer with novel lead structure |
| CN111140619A (en) * | 2020-01-03 | 2020-05-12 | 北京强度环境研究所 | Damping valve of hydraulic shock absorber and hydraulic shock absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20120805 |