CN203413197U - Self-reliance pilot-operated type flow control valve - Google Patents
Self-reliance pilot-operated type flow control valve Download PDFInfo
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- CN203413197U CN203413197U CN201320501515.0U CN201320501515U CN203413197U CN 203413197 U CN203413197 U CN 203413197U CN 201320501515 U CN201320501515 U CN 201320501515U CN 203413197 U CN203413197 U CN 203413197U
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- hydraulic control
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Abstract
The utility model discloses a self-reliance pilot-operated type flow control valve, which comprises a main valve. An actuator part is arranged on the main valve and comprises a hydraulic control element integrated block and a pilot-operated type overflow valve, the hydraulic control element integrated block is fixed on an upper valve cover of the main valve, and the pilot-operated overflow valve is fixed on the hydraulic control element integrated block; the hydraulic control element integrated block is formed by connecting a medium gathering inlet pipe fitting group and an inlet forepart pipeline of the valve, and the pilot-operated overflow valve is formed by connecting an outlet pipe fitting group and an outlet posterior pipeline of the valve; a control valve actuation hydraulic element is composed of an integrated block type and self-reliance pilot-operated type overflow valves in linkage, the actuation action and the regulation control are stable and quick, and a piston type valve plug is high pressure resistant, good in sealing property and long in service life, and can be automatically closed in a low pressure state. The control valve can be automatically closed in a lower pressure state, a check function is adopted in an oil extraction system, a fireproof obstruction function is used in an oil transfer system of an oil depot, and the defect in the prior art is effectively solved.
Description
Technical field
The utility model relates to a kind of flow control valve, relates in particular to a kind of leading type flow control valve of relying on oneself.
Background technique
In the manufacturing process of the operating modes such as modern petroleum recovering wellblock and petrochemical industry oil depot fuel transfer system is controlled automatically, flow control valve plays a very important role.For example: pressurize to underground flooding in petroleum recovering wellblock, make the oil oil recovery point of being forced, the pipe-line system safety protection while needing the non-return of low pressure often to close with high pressure is closed automatically; For another example: in the fuel transfer system of petrochemical industry oil depot, automatically closing while needing low pressure intercepts the series connection of unexpected fire, and pipe-line system safety protection during high pressure closes automatically, and the stationary value that guarantees delivery pressure.Especially the leading type flow control valve of relying on oneself, only needs effective action that the change pressure kinetic energy of operational system self just can realize parameters of technique process to control with regulating.But its performance quality directly has influence on the safe and reliable and economic benefit of system.Yet in existing technology, the hydraulic control component of the leading type flow control valve of relying on oneself be by a plurality of single-piece pipes, connect modular, action control with regulate to control inaccurate coordination, replacing quality and the reducibility of single-piece can not guarantee, debug process difficulty.It is complicated that hydraulic element and pipe are connected on valve body surface layout, and inconvenience is installed.Spool in main valve is to drive by film sheet, and film sheet pressure-bearing folding is limited around the life-span, withstand voltage not high, can only adapt to low pressure.And not with automatically closing under low-pressure state, in oil production system, use and lack check function, in oil depot fuel transfer system, use and lack fire damping function.Control valve is short working life, changes frequent.
Summary of the invention
The utility model object is to provide a kind of leading type flow control valve of relying on oneself, it is that manifold type forms with the pilot operated compound relief valve interlock of relying on oneself that this control valve is carried out hydraulic element, performs an action and regulates control stable quick, and piston valve core is high pressure resistant, good seal performance, long service life; And can automatically close under low-pressure state, in oil production system, use and have check function, in oil depot fuel transfer system, use and have fire damping function, effectively solved the shortcoming of former conventional art.
A leading type flow control valve, it comprises main valve, main valve is provided with final controlling element part, described main valve comprises valve body, and valve body top is provided with bonnet, and valve body middle part is provided with spool, spool has seal valve seat, and spool and valve cover chamber are provided with preload spiral compression spring; Described final controlling element partly comprises by hydraulic control component integrated package and pilot operated compound relief valve and forming, hydraulic control component integrated package is fixed on the bonnet of main valve, pilot operated compound relief valve is fixed on hydraulic control component integrated package, hydraulic control component integrated package is gathered the import of import pipe fitting group and valve by medium before, segment pipe joins, pilot operated compound relief valve by the outlet of outer pipe fitting group and valve after segment pipe join.
Between above-mentioned valve body and seal valve seat, be provided with sealing gasket, valve body and spool cooperation place are provided with O RunddichtringO, and bonnet and valve body cooperation place are provided with middle road seal ring.
Above-mentioned hydraulic control component integrated package comprises integrated package valve body, deflector and the copper filter core of crossing, the right-hand member head of integrated package valve body is threaded with joint nut, the unidirectional valve assembly that has been threaded above integrated package valve body, check valve assembly is comprised of one-way valve overcoat, spring, steel ball, spring adjusting screw and nut; In integrated package valve body left end head body, be provided with two regulation valve cores, left end head is provided with nut; In integrated package valve body, many places are drilled with medium fluid port hole.
Between the right-hand member head of above-mentioned integrated package valve body and joint nut, be provided with O-ring seals; Between regulation valve core and integrated package valve body, be provided with O-ring seals.
Described pilot operated compound relief valve comprises relief valve valve body, relief valve valve body right-hand member head is threaded with spring spool, threaded bush, in spring spool, be provided with valve rod, in valve rod outer spring sleeve, be provided with spring, both ends of the spring is provided with check ring, and wherein in relief valve valve body, many places are drilled with medium fluid port hole.
The utility model has been obtained following technique effect:
1, the utility model is owing to relying on the actuator assembly of working condition system self pressure control valve action to adopt the linkage structure of hydraulic control component integrated package and pilot operated compound relief valve, being produced on the whole in the sets of elements such as regulating spool, one-way valve, pilot valve, volume is little, sound construction, long service life, outward appearance is clean and tidy;
2, the utility model is because the elements such as regulating spool, one-way valve, pilot valve are pressed working condition system technical parameter specific customization, and centralized arrangement, coordination performance is good, control action concerted reaction is quick reliable, can by operating mode technical parameter, regulate and arrange to reach accurately: the multinomial technology controlling and process action that low pressure is closed, normal pressure regulates, superpressure is closed;
3, the utility model is because spool and valve cover chamber are provided with powerful preload Compress Spring, and when system pressure is low pressure, spool can be immediately and valve seat tight closure, the block function while having reliable check function and unexpected fire to occur;
4, the utility model is because mangetic core assembly has adopted piston cylinder operator, and compressive strength is good, and high life has been avoided rolling over around flimsy shortcoming under the film sheet pressure in conventional construction.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is general assembly drawing of the present utility model;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is control principle drawing of the present utility model;
Fig. 4 is hydraulic control component integrated package plan view in Fig. 1;
Fig. 5 is the partial sectional view at E-E place in Fig. 4
Fig. 6 is the partial sectional view at F-F place in Fig. 4;
Fig. 7 is the dress figure of pilot operated compound relief valve portion (partial cutaway) in Fig. 1.
Embodiment
Shown in accompanying drawing 1-3, a kind of leading type flow control valve object of relying on oneself is achieved through the following technical solutions: the leading type flow control valve of relying on oneself is totally comprised of main valve, pilot operated compound relief valve 11, control integration piece 12 3 parts.Be located at above main valve is final controlling element part, by hydraulic control component integrated package and pilot operated compound relief valve, formed, hydraulic control component integrated package is fixed on socket head screw 15 on the bonnet of main valve, and pilot operated compound relief valve is fixed on hydraulic control component integrated package with socket head screw 16.Hydraulic control component integrated package is gathered the import of import pipe fitting group 14 and valve by medium before, segment pipe joins, pilot operated compound relief valve by the outlet of outer pipe fitting group 13 and valve after segment pipe join.
Shown in accompanying drawing 1-3, wherein main valve comprises valve body 5, is located at the seal valve seat 7 at valve body middle part, be provided with sealing gasket 8 therebetween, sealing place of valve seat is welded with cemented carbide, in the middle of the guide way on valve body top, is provided with spool 6, is provided with O RunddichtringO 4 therebetween, valve core sealed cover place is welded with cemented carbide, being located at above valve body is bonnet 1, by bolt 10 nut 9 fastening pieces fixedly Bing Jiangzhong road seal ring 2 compress therebetween, spool and valve cover chamber are provided with preload spiral compression spring 3.
Shown in accompanying drawing 4-6, hydraulic control component integrated package comprises that the right-hand member head of integrated package valve body 111 is threaded with joint nut 115, is provided with O-ring seals 114 therebetween, is also provided with deflector 113, the copper filter core 112 of crossing.The unidirectional valve assembly 116-1111 that has been threaded above integrated package valve body, is provided with seal ring 119 therebetween, and check valve assembly is comprised of one-way valve overcoat 117, spring 1110, steel ball 1111, spring adjusting screw 118, nut 116.In integrated package valve body left end head body, be provided with two regulation valve cores 1114, be provided with O-ring seals 1113 therebetween, termination is provided with nut 1112.Wherein in integrated package valve body, many places are drilled with medium fluid port hole.
Shown in accompanying drawing 7, pilot operated compound relief valve comprises that relief valve valve body 123 right-hand member heads are threaded with spring spool 126, threaded bush 127, is provided with valve rod 129 in it, is provided with spring 125 and has check ring 124 to be separated by it.Wherein in relief valve valve body, many places are drilled with medium fluid port hole 123-1.
The utility model is in petroleum recovering wellblock to underground high-voltage water filling, and the pipe-line system safety protection when non-return of having realized low pressure is often closed with high pressure is closed automatically; In the fuel transfer system of petrochemical industry oil depot, automatically closing while having realized low pressure intercepts the series connection of unexpected fire, and pipe-line system safety protection during high pressure closes automatically, and the stationary value that guarantees delivery pressure.Only need the change pressure kinetic energy of operational system self just can realize the effective action of parameters of technique process and regulate control.Action control is good with adjusting control harmony precision, and debug process is easy.Withstand voltage height, high life.Outward appearance is clean and tidy.Easy for installation.
Claims (5)
1. the leading type flow control valve of relying on oneself, it is characterized in that: it comprises main valve, main valve is provided with final controlling element part, described main valve comprises valve body (5), valve body top is provided with bonnet (1), valve body middle part is provided with spool (6), and spool has seal valve seat (7), and spool and valve cover chamber are provided with preload spiral compression spring (3); Described final controlling element partly comprises by hydraulic control component integrated package (12) and pilot operated compound relief valve (11) and forming, hydraulic control component integrated package is fixed on the bonnet of main valve, pilot operated compound relief valve is fixed on hydraulic control component integrated package, hydraulic control component integrated package is gathered the import of import pipe fitting group (14) and valve by medium before, segment pipe joins, pilot operated compound relief valve by the outlet of outer pipe fitting group (13) and valve after segment pipe join.
2. the leading type flow control valve of relying on oneself according to claim 1, it is characterized in that: between described valve body and seal valve seat, be provided with sealing gasket (8), valve body and spool cooperation place are provided with O RunddichtringO (4), and bonnet and valve body cooperation place are provided with middle road seal ring (2).
3. a kind of leading type flow control valve of relying on oneself according to claim 1, it is characterized in that: described hydraulic control component integrated package comprises integrated package valve body (111), deflector (113) and the copper filter core (112) of crossing, the right-hand member head of integrated package valve body is threaded with joint nut (115), the unidirectional valve assembly that has been threaded above integrated package valve body, check valve assembly is comprised of one-way valve overcoat (117), spring (1110), steel ball (1111), spring adjusting screw (118) and nut (116); In integrated package valve body left end head body, be provided with two regulation valve cores (1114), left end head is provided with nut (1112); In integrated package valve body, many places are drilled with medium fluid port hole.
4. the leading type flow control valve of relying on oneself according to claim 3, is characterized in that: between the right-hand member head of described integrated package valve body and joint nut, be provided with O-ring seals (114); Between regulation valve core and integrated package valve body, be provided with O-ring seals (1113).
5. according to the leading type flow control valve of relying on oneself described in claim 1 or 3, it is characterized in that: described pilot operated compound relief valve comprises relief valve valve body (123), relief valve valve body right-hand member head is threaded with spring spool (126), threaded bush (127), in spring spool, be provided with valve rod (129), in valve rod outer spring sleeve, be provided with spring (125), both ends of the spring is provided with check ring (124), and wherein in relief valve valve body, many places are drilled with medium fluid port hole (123-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320501515.0U CN203413197U (en) | 2013-08-16 | 2013-08-16 | Self-reliance pilot-operated type flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320501515.0U CN203413197U (en) | 2013-08-16 | 2013-08-16 | Self-reliance pilot-operated type flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413197U true CN203413197U (en) | 2014-01-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320501515.0U Expired - Lifetime CN203413197U (en) | 2013-08-16 | 2013-08-16 | Self-reliance pilot-operated type flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203413197U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286917A (en) * | 2016-09-21 | 2017-01-04 | 江苏龙力神精工科技有限公司 | Relief valve |
| CN110778761A (en) * | 2019-11-28 | 2020-02-11 | 宇通物联网技术(深圳)有限公司 | Flow pressure control valve |
-
2013
- 2013-08-16 CN CN201320501515.0U patent/CN203413197U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286917A (en) * | 2016-09-21 | 2017-01-04 | 江苏龙力神精工科技有限公司 | Relief valve |
| CN106286917B (en) * | 2016-09-21 | 2019-03-19 | 江苏龙力神精工科技有限公司 | Safety valve |
| CN110778761A (en) * | 2019-11-28 | 2020-02-11 | 宇通物联网技术(深圳)有限公司 | Flow pressure control 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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |