CN2828493Y - Integral automatic stabilized pressure valve - Google Patents
Integral automatic stabilized pressure valve Download PDFInfo
- Publication number
- CN2828493Y CN2828493Y CN 200520107114 CN200520107114U CN2828493Y CN 2828493 Y CN2828493 Y CN 2828493Y CN 200520107114 CN200520107114 CN 200520107114 CN 200520107114 U CN200520107114 U CN 200520107114U CN 2828493 Y CN2828493 Y CN 2828493Y
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- China
- Prior art keywords
- valve
- spool
- integrated automatic
- voltage regulation
- pressure
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Abstract
The utility model relates to an integrated automatic pressure stabilizing valve, which comprises a valve body, an inlet, an inlet connection channel, a valve core, an outlet, an outlet connection channel, a valve cover and a pressure relief channel, wherein the inner wall of the valve cover and the upper part of the valve core form an upper cavity of the valve core; the upper cavity of the valve core is communicated with the inlet through the inlet connection channel; the upper part of the valve cover is provided with a fixed frame which is provided with a pressure stabilizing member; the pressure stabilizing member is provided with a control rod, and the lower end of the control rod extends into the wall of the valve cover and enables the upper cavity of the valve core to be communicated with the valve core through a communication structure on the control rod; the pressure relief channel is provided with an opening which is communicated with the lower part of the pressure stabilizing member. The valve can be used for pressure stabilization control of a fluid in an industrial or an agricultural pipeline, and is particularly adequate to be applied to agricultural irrigation. When running under a low pressure, the valve keeps a constant pressure and the favorable uniformity of irrigation, and is favorable for crop to grow.
Description
Technical field
The utility model relates to a kind of automatic voltage regulation valve, particularly a kind of incorporate automatic voltage regulation valve.
Background technique
The switching of the valve that generally uses is now controlled weak effect, inconvenient operation automatically by electromagnetic controller or manually control; Complex structure is installed loaded down with trivial details; Lack automatic voltage regulation mechanism, fluid is flowed through the downstream pressure fluctuation greatly, and level is flowed through the working life of equipment after the influence.Chinese patent CN 2584968Y discloses a kind of water control type stop valve on November 5th, 2003, it comprises: valve body, the valve seat that is positioned at jointing place, the footpath of inlet tube and outlet tube on the valve body, flap and take off the knob that closes the valve gap that is connected and be positioned at the controlling rod upper end with valve body, the valve body of described valve gap inboard is provided with piston cylinder, described piston links to each other with the valve rod head that is positioned at the water outlet caliber, and described valve rod afterbody is fixed with the flap that is positioned at the valve seat outlet side; Between described valve gap and piston, be provided with the multiple resilience spring that makes flap have closed trend all the time; Described valve gap is provided with the penetration hole that communicates with piston cavity, import caliber respectively; The lower end of described controlling rod is fixed with the control flap that can open and close above-mentioned penetration hole, also is provided with pressure release passage between described control flap and water outlet caliber.But this control valve device can not be realized automation, complex structure, complex operation; Lack stable-pressure device, current are big through valve body outflow back pressure surge, and are big to back level equipment impact force, make back grade device damage easily, shorten the working life of valve simultaneously; Described Returnning spring with closed trend is in stress for a long time, causes the damage of spring and connected components easily, has shortened working life; This valve lacks regulator, and the working pressure scope can not be regulated, function singleness, and using scope is narrow; Particularly for the agricultural irrigation aspect, current are through behind the valve, and pressure surge is big, and the lack of homogeneity of pouring water is unfavorable for the growth of crops.
Summary of the invention:
The utility model purpose be to provide a kind of voltage stabilizing automatically, compact structure, easy to operate, cost is low, the incorporate automatic voltage regulation valve of long service life.
The technological scheme that the utility model technical solution problem adopts is: a kind of integrated automatic voltage regulation valve, it comprises valve body, import, the import connecting passage, spool, outlet, the outlet connecting passage, valve gap, pressure release passage, the spool epicoele is formed at described valve gap inwall and described spool top, the spool epicoele is interconnected by described import connecting passage and import, described valve gap upper end is provided with fixing frame, fixing frame is provided with the voltage stabilizing part, the voltage stabilizing part is provided with controlling rod, and the controlling rod lower end is stretched in the valve gap wall and by the connectivity structure on it spool epicoele is connected with pressure release passage; Described pressure release passage is provided with the port that is communicated with voltage stabilizing part bottom;
Above-mentioned integrated automatic voltage regulation valve, better for the voltage regulation result that makes valve, have a bigger using scope, can be provided with elastic component in voltage stabilizing part upper end, the elastic component upper end is provided with by the fixing pressure regulation bar of support frame, thereby constituted regulator, support frame can with valve gap or fixing frame is bonding be integral, and also can link together by bolt, be used for guaranteeing the stable of pressure regulation bar and carry out action, regulate the scope of pressure stability by the amount of deformation of regulating pressure regulation bar change elastic component;
Above-mentioned integrated automatic voltage regulation valve, fixing frame and valve gap can cast solids or are bonding or with being threaded;
Above-mentioned integrated automatic voltage regulation valve, elastic component is a pressure adjusting spring, the pressure regulation bar is a regulator bolts;
Above-mentioned integrated automatic voltage regulation valve, the voltage stabilizing part is voltage stabilizing barrier film or piston mechanism;
Above-mentioned integrated automatic voltage regulation valve, valve body, valve gap, voltage stabilizing part are one, and available welding, bonding way connect, and firm, internal components is not fragile, long service life;
Above-mentioned integrated automatic voltage regulation valve, spool is provided with damping mechanism, damping mechanism comprises damper rod, form the damping cavity of sealing between damper rod one end and the valve gap inwall, the other end links to each other with spool, during valve core movement, drive the motion of damper rod, because damper rod is subjected to the drag effect of damping cavity internal pressure, slow down the movement velocity and the degree of fluctuation of spool, made the motion of spool steady, thereby kept the unlatching of spool and closure steady, slow, prevent spool to be subjected to severe impact and damage, increase the service life;
Above-mentioned integrated automatic voltage regulation valve, spool is made of valve plate and barrier film;
Above-mentioned integrated automatic voltage regulation valve, spool also can be made of valve plate and piston mechanism;
Above-mentioned integrated automatic voltage regulation valve, it is described that to be located at the connectivity structure that pressure release passage is connected with the spool epicoele be " " type through hole or clear opening or groove, fluid can flow between spool epicoele and pressure release passage by this structure;
Above-mentioned integrated automatic voltage regulation valve can be provided with electromagnetic controller or manual overvide and control the unlatching of spool, cuts out on pressure release passage or water inlet connecting passage;
Above-mentioned integrated automatic voltage regulation valve, the spool epicoele is made of a plurality of flat-square-shapeds hole with the pressure release passage place of communicating, and total discharge area in a plurality of flat-square-shapeds hole is not less than the cross-section area of pressure release passage;
Above-mentioned integrated automatic voltage regulation valve, described valve body can be a straight-through type;
Above-mentioned integrated automatic voltage regulation valve, described import connecting passage can be located in the valve gap wall, also can replace with the connecting tube that is located at the valve gap outside;
Above-mentioned integrated automatic voltage regulation valve, described outlet connecting passage can be located in the valve gap wall, also can replace with the connecting tube that is located at the valve gap outside;
Above-mentioned integrated automatic voltage regulation valve, inlet/outlet connecting passage place is provided with filtering head, can prevent that impurity from entering;
Above-mentioned integrated automatic voltage regulation valve has the pressure measurement interface on the described pressure release passage, can be used for measuring the hydrodynamic pressure in the pressure release passage;
Above-mentioned integrated automatic voltage regulation valve is provided with spring in the described spool epicoele, and an end of spring links to each other with the valve gap inwall, and the other end links to each other with spool, helps spool and sets back, and realizes better voltage stabilizing function;
Can be connected with bolt between the above-mentioned integrated automatic voltage regulation valve, damper rod and spool, also can weld or bonding.
The beneficial effects of the utility model are: utilize the automatic control of fluid to replace electronic or manual control, simple in structure, easy to operate, cost is low; Have voltage stabilizing mechanism, can in using scope, realize automatic voltage regulation; Fluid is little through downstream pressure fluctuation, and is little to the flow through impact of equipment of back level, prolonged the working life of back level equipment; Voltage stabilizing mechanism is integrated, compact structure; Have regulator, can regulate the scope of pressure stability, make valve can be applicable to aspects such as industry, agricultural widely according to the requirement of using; Particularly aspect agricultural irrigation, be well suited for low pressure operation, when current through behind the valve, pressure surge is little, and is little to the impact of back level equipment, level is poured water and has been improved the uniformity of pouring water in the service life of equipment after prolongation, helps the growth of crops.
Description of drawings
Fig. 1 is the utility model embodiment 1 a structural representation.
Fig. 2 is the utility model embodiment 2 a structural representation.
Fig. 3 is the utility model embodiment 3 a structural representation.
Fig. 4 is the utility model embodiment 4 a structural representation.
Fig. 5 is a damping mechanism schematic representation of the present utility model.
Fig. 6 is the partial enlarged drawing of import connecting passage of the present utility model, pressure release passage and spool epicoele connectivity structure.
Among Fig. 1,1 is outlet, and 2 is valve body, and 3 is barrier film, 4 is valve gap, and 5 for outlet connects runner, and 6 are the pressure measurement interface, and 7 is pressure release passage, 8 is fixing frame, and 9 is back-up ring, and 10 is pressure adjusting spring, and 11 is regulator bolts, 12 support frames, 13 are the voltage stabilizing barrier film, and 14 is seal ring, and 15 is controlling rod, 16 is wear-resistant sleeve, and 17 are the import connecting passage, and 18 is spring, and 19 is valve plate, 20 filtering heads, 21 are import, and 22 is damping cavity, and 23 is damper rod.
Embodiment
Integrated pressure maintaining valve is initially located in closed condition, when fluid enters valve body from import, part fluid acts on the spool bottom, spool jack-up is entered into outlet, the controlled bar wall of fluid that enters the spool epicoele from import connection runner blocks, some enters pressure release passage by the outlet connecting passage fluid that flows out from outlet, a fluid part that enters pressure release passage flows into the spool epicoele by " " type through hole on the controlling rod, another part acts on the voltage stabilizing barrier film, acting on voltage stabilizing barrier film upward pressure increases gradually, this pressure is during greater than the pressure of pressure adjusting spring, the voltage stabilizing barrier film can rise, controlling rod and then rises, the area of passage of " " type through hole of controlling rod between pressure release passage and spool epicoele reduces, the area of passage that the connection of import simultaneously runner enters the spool epicoele increases gradually, the Fluid Volume that enters the spool epicoele increases gradually, the power that acts on the spool also increases gradually, spool is descended, the outlet fluid flow reduces, outlet pressure is along with reducing, fluid in the pressure release passage flows out from the outlet connecting passage, hydrodynamic pressure in the pressure release passage reduces, the power that acts on the voltage stabilizing barrier film reduces, the voltage stabilizing barrier film descends, controlling rod and then descends, the area of passage of described " " type through hole increases, hydrodynamic pressure in the spool epicoele reduces, and spool is again by inlet's fluid jack-up, and the outlet hydrodynamic pressure increases gradually, the hydrodynamic pressure that enters pressure release passage by the outlet connecting passage increases gradually, the pressure that acts on the voltage stabilizing barrier film increases gradually, the voltage stabilizing barrier film is risen, so repeatedly, make the fluid in the valve be in a kind of transient equiliblium, thereby guaranteed that fluid is stable through downstream pressure, it is little to fluctuate, little to the destruction that back level equipment causes.
Embodiment 7, are that with embodiment 1 or 2 or 3 or 4 or 5 or 6 differences described inlet/outlet connecting passage is the outer connecting tube of valve gap wall.
Claims (10)
1, a kind of integrated automatic voltage regulation valve, it comprises valve body, import, import connecting passage, spool, outlet, outlet connecting passage, valve gap, pressure release passage, it is characterized in that the spool epicoele is formed at described valve gap inwall and described spool top, the spool epicoele is interconnected by described import connecting passage and import, described valve gap upper end is provided with fixing frame, fixing frame is provided with the voltage stabilizing part, the voltage stabilizing part is provided with controlling rod, and the controlling rod lower end is stretched in the valve gap wall and by the connectivity structure on it spool epicoele is connected with pressure release passage; Described pressure release passage is provided with the port that is communicated with voltage stabilizing part bottom.
2, integrated automatic voltage regulation valve according to claim 1 is characterized in that described voltage stabilizing part upper end is provided with elastic component, and the elastic component upper end is provided with by the fixing pressure regulation bar of support frame, and support frame and valve gap or fixed plate are bonding to be integral.
3, integrated automatic voltage regulation valve according to claim 1 and 2 is characterized in that described voltage stabilizing part is voltage stabilizing barrier film or piston mechanism.
4, integrated automatic voltage regulation valve according to claim 3 is characterized in that being provided with above the described spool damping mechanism that comprises damper rod, and damper rod one end and valve gap inwall form the damping cavity of sealing, and the other end links to each other with spool.
5, integrated automatic voltage regulation valve according to claim 4 is characterized in that described spool is made of valve plate and barrier film.
6, integrated automatic voltage regulation valve according to claim 4 is characterized in that described spool is made of valve plate and piston mechanism.
7, according to claim 5 or 6 described integrated automatic voltage regulation valves, it is characterized in that the described connectivity structure that pressure release passage is connected with the spool epicoele is " " type through hole or clear opening or groove.
8, integrated automatic voltage regulation valve according to claim 7 is characterized in that import that described import connecting passage is the valve gap inwall is communicated with runner or is located at the inlet connecting branch of valve gap outside.
9, integrated automatic voltage regulation valve according to claim 8 is characterized in that outlet that described outlet connecting passage is the valve gap inwall is communicated with runner or is located at the outlet connecting pipe of valve gap outside.
10, integrated automatic voltage regulation valve according to claim 9 is characterized in that described spool epicoele is the deltiod hole with the described pressure release passage place of communicating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520107114 CN2828493Y (en) | 2005-08-29 | 2005-08-29 | Integral automatic stabilized pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520107114 CN2828493Y (en) | 2005-08-29 | 2005-08-29 | Integral automatic stabilized pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2828493Y true CN2828493Y (en) | 2006-10-18 |
Family
ID=37080049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520107114 Expired - Lifetime CN2828493Y (en) | 2005-08-29 | 2005-08-29 | Integral automatic stabilized pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2828493Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329482A (en) * | 2014-10-21 | 2015-02-04 | 苏州市宝玛数控设备有限公司 | Water pressure regulating valve |
| CN110352314A (en) * | 2017-03-05 | 2019-10-18 | 伯尔梅特有限公司 | Closable pressure reducing valve |
-
2005
- 2005-08-29 CN CN 200520107114 patent/CN2828493Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329482A (en) * | 2014-10-21 | 2015-02-04 | 苏州市宝玛数控设备有限公司 | Water pressure regulating valve |
| CN110352314A (en) * | 2017-03-05 | 2019-10-18 | 伯尔梅特有限公司 | Closable pressure reducing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150829 Granted publication date: 20061018 |
|
| EXPY | Termination of patent right or utility model |