CN1030622C - Self-operated fluid full-control valve - Google Patents
Self-operated fluid full-control valve Download PDFInfo
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- CN1030622C CN1030622C CN 93106663 CN93106663A CN1030622C CN 1030622 C CN1030622 C CN 1030622C CN 93106663 CN93106663 CN 93106663 CN 93106663 A CN93106663 A CN 93106663A CN 1030622 C CN1030622 C CN 1030622C
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- main valve
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Abstract
The present invention relates to a self-operated fluid full control valve which is composed of a main valve and one or a plurality of small valves. By operating and controlling the small valves, the pressure in a working chamber of the main valve can be changed. A valve plate is driven by a piston to make bidirectional movement according to the pressure change, and thereby, more than ten characteristics, such as cutting, regulation, remote control, etc., are realized. The present invention has the entire function of a valve. One or a plurality of small valves are only used for different control optional large main valves, and a pneumatic actuating mechanism or an electric actuating mechanism is omitted. The present invention can be used for pipelines with large diameters and medium diameters, which are used for conveying media, such as liquid, gas, steam, etc. The economic benefit is obvious.
Description
The present invention relates to a kind of control valve for fluids, particularly a kind of self-operated fluid control valve of realizing multiple function.
CN2068630U hydraulic control piston valve mainly is made up of valve body, piston, pipeline and selector valve etc.It is to realize its action by the pressure medium that selector valve changes the piston both sides.When selector valve was two position three-way valve, the hydraulic control piston valve was a kind of safety check that the Slow Close characteristic is arranged, and when selector valve was three position five-way valve, the hydraulic control piston valve was a kind of cut-off valve.This kind valve can not have multiple functions such as non-return, cut-out, adjusting simultaneously, adopt the O RunddichtringO to seal and be not suitable for high temperature media, the every action of this valve once all will release a certain amount of medium outside the evacuation port of selector valve, is not suitable for to carry inflammable and explosive medium, and befouling environment.
A kind of fluid full-control valve of relying on oneself, it comprises: the valve 3 of kicking off soon, solenoid valve 6, control pipeline 2,7, hand control valve 9, it also comprises main valve, it is characterized in that: pressure pilot valve or flow pilot valve 8, draw control pipeline 2 by the valve 3 of kicking off soon from the entry end of valve body of main valve 1, threeway 4 and clutch release slave cylinder 5 UNICOMs, connect with main valve outlet end interface a through solenoid valve 6 again, the interface d that draws control pipeline 7 and pressure pilot valve or flow pilot valve 8 from main valve outlet end interface b links, interface e and main valve outlet end interface c link, and the outlet of interface f and hand control valve 9 links, and its inlet is connected with clutch release slave cylinder 5.
Main valve clutch release slave cylinder 5 is fixed between the wafer type valve body 1, be provided with piston 10 in 5, establish in 10 and also be provided with pressure spring 11 in the piston ring 16,5, valve plate 12 seal rings 13,13 are enclosed within on 12,12 and 10 link, and move along 5 inwall together, and valve body 1 is provided with seat ring 14, during Flow-rate adjustment, establish fixed restriction orifice plate 15 on 1.
Pressure pilot valve body 1 ' with valve gap 2 ' and valve head 3 ' between adopt removable connect valve body 1 ' in be provided with spring 4 ', sliding valve core 5 ', valve head 3 ' in be provided with bellows 6 ', diaphragm 7 ', adjustable spring 8 ' with regulating handle 9 ', wherein 4 ' withstand on 5 ' on, 8 ' withstand on 7 ' with 9 ' on.
Flow pilot valve body 2 " and valve gap 1 " and valve head 5 " between adopt removable connecing, be provided with spring 3 in the valve body ", 6 " and spool 4 ", be provided with regulating handle 7 in the valve head " and packing seal 8 ".
Multifrequency nature of the present invention is to realize like this
(1) quick closing valve characteristic:
Open the valve of kicking off soon, main valve clutch release slave cylinder internal pressure raises and is the main valve inlet pressure, and piston force and spring force push valve plate rapidly in the seat ring jointly, and the quick closing valve characteristic is achieved.
(2) cut off characteristic
Close hand control valve, solenoid valve and the valve of kicking off soon, main valve clutch release slave cylinder internal pressure equals the main valve inlet pressure, and main valve is closed thereupon.The standard-sized sheet hand control valve, the clutch release slave cylinder internal pressure is reduced to the main valve outlet pressure, and piston overcomes the spring force retraction under the effect of main valve inlet pressure, and main valve open realizes the manual characteristic of cutting off.
(3) restriction characteristic:
Hand control valve turns down, and the clutch release slave cylinder internal pressure raises, and main valve turns down thereupon, realizes restriction characteristic.
(4) pressure is regulated and the decompression characteristic:
The standard-sized sheet hand control valve, close solenoid valve and the valve of kicking off soon, press the regulating handle that required outlet pressure of main valve or inlet pressure are adjusted the pressure pilot valve, make pressure spring power and required pressure medium balance.When fluctuation appearred in pressure medium, the sliding valve core action changed the clutch release slave cylinder internal pressure, and piston drives valve plate changes the main valve opening area, realized that high-precision pressure is regulated or the decompression characteristic.
(5) Slow Close non-return characteristic
When the main valve medium took place to flow backwards, the main valve outlet pressure was higher than inlet pressure, and main valve clutch release slave cylinder internal pressure equals outlet pressure, and piston force and spring force push valve plate in the seat ring jointly, realized Slow Close non-return characteristic.
(6) safety valve characteristic:
Interface on the pressure pilot valve valve gap and main valve inlet are linked, regulate pressure pilot valve regulating handle, make the interior pressure spring power of pilot valve equal the safety pressure of medium, when pressure medium surpassed this value, main valve just can be opened, and realized the safety valve characteristic.
(7) emergency cut-off characteristic:
Interface on the pressure pilot valve valve gap and main valve outlet are linked, regulate pressure pilot valve regulating handle, make the interior pressure spring power of pilot valve equal the working pressure of medium, when pressure medium was lower than this value, main valve was closed automatically, realized the emergency cut-off characteristic.
(8) remote-control cut-off characteristic:
Valve opening solenoid, the clutch release slave cylinder internal pressure is the main valve outlet pressure, is lower than the main valve inlet pressure, valve plate retraction, main valve open.Solenoid valve closes, and the clutch release slave cylinder internal pressure is upgraded to the main valve inlet pressure, and valve plate moves outward, main valve is closed.
(9) gas control control characteristic:
Pressure pilot valve diaphragm one side feeds instrument wind, can realize gas control adjusting main valve aperture, thereby flow, the pressure and temperature of medium automatically adjusted.
(10) remote-controlled operation characteristic:
Prolong the control pipeline, can make hand control valve, realize the main valve remote-controlled operation away from main valve.
(11) reverse circulated characteristic:
Close hand control valve, solenoid valve, open the valve of kicking off soon, can make the medium reverse flow.Realize the reverse circulated characteristic.
(12) Flow-rate adjustment characteristic:
The fixed restriction orifice plate is loaded onto in the main valve outlet, and interface on the flow pilot valve valve head and fixed restriction hole exits are linked, and by the operating regulation handle, can change the rate-of flow of main valve.When one timing of regulating handle position, the main valve rate-of flow is not changed with manifold pressure change.Realize self-powering type Flow-rate adjustment characteristic.
The present invention can be used on conveying liquid, in the big-and-middle diameter pipeline of media such as gas, steam, and multi-purpose valve.For example: this invention is installed on the pump discharge pipeline, can replaces modulating valve, reduction valve, cut-off valve, safety check etc.And flexible operation, the laborsaving centralized control of being convenient to, the present invention only utilizes one or several little valve, i.e. and any big main valve of may command realizes that various functions save heavy electric actuator or pneumatic actuator, and little investment, income are big.In addition, the present invention adopts piston cylinder operator, and to the working pressure of medium, temperature without limits.
Below in conjunction with accompanying drawing the present invention is made and to further specify:
Fig. 1 is an installation diagram of the present invention
Fig. 2 is Fig. 1 side view
Fig. 3 is the sectional view of main valve
Fig. 4 is the sectional view of pressure pilot valve
Fig. 5 is the sectional view of flow pilot valve
Fig. 6 is Fig. 4, Fig. 5 sectional drawing along the A-A direction
Fig. 7 is the main valve outlet partial sectional view of dress fixed restriction orifice plate
Main valve clutch release slave cylinder 5 is fixed between the wafer type valve body 1, is provided with piston 10 in the cylinder, piston ring 16 pressure springs 11, and valve plate 12 seal rings 13, valve body 1 is provided with metal valve seat ring 14, and when carrying out Flow-rate adjustment, valve body 1 outlet is provided with fixed restriction orifice plate 15.
Pressure pilot valve body 1 ' with valve gap 2 ' and valve head 3 ' between adopt removable the connection, valve body 1 ' in be provided with spring 4 ', sliding valve core 5, valve head 3 ' in be provided with bellows 6 ', diaphragm 7 ', pressure spring 8 ' with regulating handle 9 '.
Flow pilot valve body 2 " with valve gap 1 " and valve head 5 " adopt removable the connection valve body 2 " in be provided with spring 3 ", 6 " and spool 4 ", be provided with regulating handle 7 in the valve head " and packing seal 8 ".
If the main valve inlet pressure is a P1 clutch release slave cylinder internal pressure is P2, the main valve outlet pressure is that P3 fixed orifice outlet pressure is P4, and when not feeding medium, valve plate 12 enters in the seat ring 14 under pressure spring 11 effects, and main valve is in closed condition.When medium was arranged, when P2=P1＞P3, main valve was closed, as characteristic 1 and characteristic 2, main valve is in adjustment state when P3＜P2＜P1, as characteristic 3,4 and characteristic 12, and when P2=P3＜P1, the main valve standard-sized sheet, as characteristic 8, main valve is closed when P2=P3＞P1, as characteristic 5.
The several little valve of the present invention except that main valve can be selected according to practical use, cuts off when main valve only is used as, and when non-return, throttling, only needs installation and control pipeline 7 and hand control valve 9, all the other omissions.When needing centralized control, dress solenoid valve 6 need be regulated, and emergency cut-off can be loaded onto pressure or flow pilot valve, loads onto the valve of kicking off soon when needing reverse circulated.
Claims (2)
1. liquid full-control valve of relying on oneself, it comprises: the valve of kicking off soon (3), solenoid valve (6) control pipeline (2), (7), hand control valve (9), it also comprises main valve, it is characterized in that: pressure pilot valve or flow pilot valve (8), draw control pipeline (2) by the valve of kicking off soon (3) from the entry end of valve body of main valve (1), threeway (4) and clutch release slave cylinder (5) UNICOM, connect through solenoid valve (6) and main valve outlet end interface (a) again, the interface (d) of drawing control pipeline (7) and pressure pilot valve or flow pilot valve (8) from main valve outlet end interface (b) links, (c's interface (e) links with main valve outlet end interface, interface (f) links with the outlet of hand control valve (9), and its inlet is connected with clutch release slave cylinder (5).
Main valve clutch release slave cylinder (5) is fixed between the wafer type valve body (1), (5) be provided with piston (10) in, (10) establish piston ring (16) in, also be provided with pressure spring (11) in (5), valve plate (12) seal ring (13), (13) be enclosed within on (12), (12) link with (10), and together along the inwall motion of (5), valve body (1) is provided with seat ring (14), during Flow-rate adjustment, establish fixed restriction orifice plate (15) on (1).
Adopt between pressure pilot valve body (1 ') and valve gap (2 ') and the valve head (3 ') removable connect to be provided with in the valve body (1 ') be provided with bellows (6 '), diaphragm (7 '), adjustable spring (8 ') and regulating handle (9 ') in spring (4 ') sliding valve core (5 '), the valve head (3 '), wherein (4 ') withstand on (5 '), (8 ') withstand on (7 ') with (9 ') on
Flow pilot valve body (2 ") and valve gap (1 ") and valve head adopt removable the connection between (5 "), are provided with spring (3 "), (6 ") and spool (4 ") in the valve body, are provided with regulating handle (7 ") and packing seal (8 ") in the valve head.
2. full-control valve as claimed in claim 1 is characterized in that: the seal ring of main valve (13), and available metal or nonmetallic material are made, and seat ring (14) is made by wear-resistant metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93106663 CN1030622C (en) | 1993-06-06 | 1993-06-06 | Self-operated fluid full-control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93106663 CN1030622C (en) | 1993-06-06 | 1993-06-06 | Self-operated fluid full-control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1080984A CN1080984A (en) | 1994-01-19 |
| CN1030622C true CN1030622C (en) | 1996-01-03 |
Family
ID=4986354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93106663 Expired - Fee Related CN1030622C (en) | 1993-06-06 | 1993-06-06 | Self-operated fluid full-control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1030622C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100425896C (en) * | 2006-06-30 | 2008-10-15 | 珠海市佳德厨卫产品有限公司 | Tap |
| CN106402073B (en) * | 2016-10-18 | 2018-02-06 | 中国核动力研究设计院 | It is a kind of by bellows pressure-sensitive and drive and with Flow amplification effect pilot valve |
| CN109442071B (en) * | 2018-12-31 | 2024-04-12 | 波普科技(唐山)有限公司 | Intelligent circumferential flow voltage regulator |
-
1993
- 1993-06-06 CN CN 93106663 patent/CN1030622C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1080984A (en) | 1994-01-19 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |