CN103615571A - Electromagnetic valve resistant to oil pollution - Google Patents
Electromagnetic valve resistant to oil pollution Download PDFInfo
- Publication number
- CN103615571A CN103615571A CN201310639718.0A CN201310639718A CN103615571A CN 103615571 A CN103615571 A CN 103615571A CN 201310639718 A CN201310639718 A CN 201310639718A CN 103615571 A CN103615571 A CN 103615571A
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- China
- Prior art keywords
- piston
- oil
- valve
- valve body
- electromagnet
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Classifications
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- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/061—Sliding valves
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
An electromagnetic valve resistant to oil pollution comprises a valve body, a first steel ball, a first valve, a first electromagnet, a second steel ball, a second valve, a second electromagnet and the like, wherein the second electromagnet is vertically installed on a support, the support is installed on the upper portion of a shell body, the valve body is installed on the lower portion of the shell body, the support is provided with an inner hole, and a balance weight is installed in the inner hole of the support and can vertically move in the hole; the first electromagnet is installed and fixed to the side portion of the valve body; a piston is installed in the shell body, and piston rods are installed at the upper end and the lower end of the piston; the lower end of an iron core of the second electromagnet is connected together with the piston rod on the upper portion of the piston, the piston rod on the lower portion of the piston is installed in the central inner hole in the lower portion of the shell body, the lower end of the piston rod on the lower portion of the piston is connected together with the upper portion of a valve element, the piston in the shell body can move to drive the valve element and the balance weight to move at the same time, and the piston is installed in an inner cavity of the shell body. The electromagnetic valve has electromagnetic, hydraulic and manual multi-input control functions, is high in integration level and anti-pollution capacity, simple in structure and convenient to maintain, and can safely and reliably implement multi-mode combined control.
Description
Technical field
The invention belongs to solenoid valve field, specifically a kind of oil rub resistance solenoid valve.
Background technique
Existing general solenoid valve is higher to the quality requirements of hydraulic oil, and especially in oil, contained solid particulate matter directly affects the service behaviour of solenoid valve, causes valve core of the electromagnetic valve bite, misaction.
Water power plant turbine oil system is comprised of speed control system oil system and bearing lubrication oil system conventionally, because friction, the lubricant oil of bearing arrangement contacts with air, in oil, contained solid particulate matter and greasy filth are more, and general solenoid valve is difficult to guarantee normally operation in the serious environment of this kind of greasy dirt.If there is card in Hydropower Plant overspeed protection solenoid valve
puckery, misaction, can affect the normal operation of speed control system, and even endanger the safe and stable operation of whole unit.
For this reason, study a kind of can be in many solid particulate matters and greasy filth environment can stable operation, the solenoid valve with oil rub resistance ability is necessary.
Summary of the invention
The invention provides a kind of oil rub resistance solenoid valve, this high antipollution electricity liquid is joined pressure device and is had electromagnetism, hydraulic pressure, manual multiinput control function, and level of integration is high, and contamination resistance is strong, can safety, implement multimode reliably and jointly control, it is simple in structure, easy to maintenance.
A kind of oil rub resistance solenoid valve, it comprises valve body, spool, spring, the first steel ball, the first valve, connecting rod, the first electromagnet, the second steel ball, the second valve, housing, counterweight, support, the second electromagnet and piston, the second electromagnet is vertically mounted on support, support is arranged on the top of housing, valve body is loaded on the bottom of housing, support has endoporus, and counterweight is arranged in the endoporus of support, can be vertically movable in hole, the first electromagnet is fixed on valve body sidepiece, piston is housed in housing, and the two ends up and down of piston are provided with piston rod, the iron core lower end of the second electromagnet and the piston rod on piston top link together, the piston rod of piston bottom is contained in the central bore of lower housing portion, its lower end and spool top link together, piston movement in housing can be with movable valve plug to move together with counterweight, piston is contained in housing inner chamber, and housing inner chamber is divided into epicoele c and cavity of resorption d, and c chamber is connected with valve body upper chamber g, and cavity of resorption d is connected with valve body chamber e, valve body vertical portion is provided with endoporus, spool is installed in endoporus, can slide up and down, valve body sidepiece has cross-drilled hole, spring fitting is in cross-drilled hole bottom, the first steel ball and the first valve are pressed on spring, between the first steel ball and the second steel ball, connecting rod is housed, the iron core of the first electromagnet is positioned at the left side of the second steel ball, in valve body, have oil-feed oil circuit P, oil return circuit H, load oil circuit A and load oil circuit B, chamber f in valve body is connected with oil-feed oil circuit P, the cylindrical of spool offers oil circuit annular groove, inside offers oil through by valve body upper chamber g, spool upper end the first annular groove is connected with oil return circuit H, lubricant oil from user's lubrication system is inputted valve body through oil-feed oil circuit P, by the oil circuit annular groove on spool, enter into load oil circuit A or B, thereby realize the switching of load oil circuit.
The rear portion of above-mentioned support is provided with mounting hole, by bolt and user's wall connecting, fixes.
The two ends, left and right of above-mentioned counterweight are provided with tapped hole, and handle is housed respectively.
Endoporus and the outside piston of above-mentioned housing upper and lower part are equipped with Sealing, play motive sealing effect.
The present invention has obtained following technique effect:
The present invention has electromagnetism, hydraulic pressure, manual multiinput control function, and level of integration is high, and contamination resistance is strong, can safety, implement multimode reliably and jointly control, and it is simple in structure, easy to maintenance.This valve has not only solved a control difficult problem for speed governing safety system, and is conducive to apply in all kinds of hydropower station units.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention.
Embodiment
Shown in accompanying drawing 1, a kind of oil rub resistance solenoid valve, it comprises valve body 1, spool 2, spring 3, the first steel ball 4, the first valve 5, connecting rod 6, the first electromagnet 7, the second steel ball 8, the second valve 9, housing 10, counterweight 11, support 13, the second electromagnet 15 and piston 17, the second electromagnet is vertically mounted on support, support is arranged on the top of housing, and valve body is loaded on the bottom of housing, and support has endoporus, counterweight is arranged in the endoporus of support, can be vertically movable in hole, the first electromagnet is fixed on valve body sidepiece, piston is housed in housing, and the two ends up and down of piston are provided with piston rod, the iron core lower end of the second electromagnet and the piston rod on piston top link together, the piston rod of piston bottom is contained in the central bore of lower housing portion, its lower end and spool top link together, piston movement in housing can be with movable valve plug to move together with counterweight, piston is contained in housing inner chamber, and housing inner chamber is divided into epicoele c and cavity of resorption d, and c chamber is connected with valve body upper chamber g, and cavity of resorption d is connected with valve body chamber e, valve body vertical portion is provided with endoporus, spool is installed in endoporus, can slide up and down, valve body sidepiece has cross-drilled hole, spring fitting is in cross-drilled hole bottom, the first steel ball and the first valve are pressed on spring, between the first steel ball and the second steel ball, connecting rod is housed, the iron core of the first electromagnet is positioned at the left side of the second steel ball, in valve body, have oil-feed oil circuit P, oil return circuit H, load oil circuit A and load oil circuit B, chamber f in valve body is connected with oil-feed oil circuit P, the cylindrical of spool offers oil circuit annular groove, inside offers oil through by valve body upper chamber g, spool upper end the first annular groove is connected with oil return circuit H, lubricant oil from user's lubrication system is inputted valve body through oil-feed oil circuit P, by the oil circuit annular groove on spool, enter into load oil circuit A or B, thereby realize the switching of load oil circuit.
Preferably, the rear portion of described support is provided with mounting hole, by bolt 14 and user's wall connecting, fixes.The two ends, left and right of described counterweight are provided with tapped hole, and handle 12 is housed respectively.Endoporus and the outside piston of described housing upper and lower part are equipped with Sealing 16, play motive sealing effect.
Working principle of the present invention:
When water turbine system is normally moved, the second electromagnet and the first electromagnet are all in off-position, and the iron core of the second electromagnet is retracted mode, and the iron core of the first electromagnet is also retracted mode.Under counterweight Action of Gravity Field, the piston in housing is in the next, thus band movable valve plug in the next, under spring-force driven dual, the first steel ball cuts out the first valve, the second valve is opened.Now, upper and lower two chambeies of piston are all connected with return line, and oil-feed oil circuit P connects by the outside annular groove of spool and load oil circuit B, and load oil circuit A connects by valve core inside oil circuit and oil return H, and electric liquid is joined pressure device in off position.
When system is sent overspeed protection instruction; system is given the first electromagnet power supply; at the second electromagnetic force lower core, stretch out; and promote the second steel ball and close the second valve; the first valve is opened simultaneously, and now lubricant oil enters valve body chamber e through oil-feed oil circuit P and chamber f, flows into piston cavity of resorption d; piston is moved upward, and drive counterweight and valve core movement to upper.At this moment, oil-feed oil circuit P connects with load oil circuit A by the outside annular groove of spool, and load oil circuit B directly and oil return circuit H connection, realizes the switching of system oil circuit control.
When system is sent recovery instruction, give the second electromagnet power supply, the first electromagnet power-off simultaneously, now the iron core of the first electromagnet is retracted mode, and under spring-force driven dual, the first valve is closed, and the second valve is opened, valve body chamber e, cavity of resorption d and oil return connection.The iron core of electromagnet is the state of stretching out, under counterweight and electromagnetic force, drive piston and valve core movement to the next, now oil-feed oil circuit P connects by the outside annular groove of spool and load oil circuit B, and load oil circuit A connects by valve core inside oil circuit and oil return H, and system is recovered reset condition.
When system works personnel carry out manual operation, the second electromagnet, the first electromagnet are all in off-position, and operator can realize by above carrying or press down handle the switching of oil circuit control.
The present invention has duplex and controls function, by high-speed double electromagnet Electromagnetic Control, realizes machinery control by artificial handle, and electromagnetism and manual operation can realize or gate control logic.
Claims (4)
1. an oil rub resistance solenoid valve, it comprises valve body (1), spool (2), spring (3), the first steel ball (4), the first valve (5), connecting rod (6), the first electromagnet (7), the second steel ball (8), the second valve (9), housing (10), counterweight (11), support (13), the second electromagnet (15) and piston (17), it is characterized in that: the second electromagnet is vertically mounted on support, support is arranged on the top of housing, valve body is loaded on the bottom of housing, support has endoporus, counterweight is arranged in the endoporus of support, can be vertically movable in hole, the first electromagnet is fixed on valve body sidepiece, piston is housed in housing, and the two ends up and down of piston are provided with piston rod, the iron core lower end of the second electromagnet and the piston rod on piston top link together, the piston rod of piston bottom is contained in the central bore of lower housing portion, its lower end and spool top link together, piston movement in housing can be with movable valve plug to move together with counterweight, piston is contained in housing inner chamber, and housing inner chamber is divided into epicoele c and cavity of resorption d, and c chamber is connected with valve body upper chamber g, and cavity of resorption d is connected with valve body chamber e, valve body vertical portion is provided with endoporus, spool is installed in endoporus, can slide up and down, valve body sidepiece has cross-drilled hole, spring fitting is in cross-drilled hole bottom, the first steel ball and the first valve are pressed on spring, between the first steel ball and the second steel ball, connecting rod is housed, the iron core of the first electromagnet is positioned at the left side of the second steel ball, in valve body, have oil-feed oil circuit P, oil return circuit H, load oil circuit A and load oil circuit B, chamber f in valve body is connected with oil-feed oil circuit P, the cylindrical of spool offers oil circuit annular groove, inside offers oil through by valve body upper chamber g, spool upper end the first annular groove is connected with oil return circuit H, lubricant oil from user's lubrication system is inputted valve body through oil-feed oil circuit P, by the oil circuit annular groove on spool, enter into load oil circuit A or B, thereby realize the switching of load oil circuit.
2. oil rub resistance solenoid valve according to claim 1, is characterized in that: the rear portion of described support is provided with mounting hole, by bolt (14) and user's wall connecting, fixes.
3. oil rub resistance solenoid valve according to claim 1 and 2, is characterized in that: the two ends, left and right of described counterweight are provided with tapped hole, and handle (12) is housed respectively.
4. oil rub resistance solenoid valve according to claim 1 and 2, is characterized in that: the endoporus of described housing upper and lower part and outside piston are equipped with Sealing (16), play motive sealing effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310639718.0A CN103615571B (en) | 2013-12-04 | 2013-12-04 | A kind of oil rub resistance solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310639718.0A CN103615571B (en) | 2013-12-04 | 2013-12-04 | A kind of oil rub resistance solenoid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103615571A true CN103615571A (en) | 2014-03-05 |
| CN103615571B CN103615571B (en) | 2016-04-13 |
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ID=50166284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310639718.0A Active CN103615571B (en) | 2013-12-04 | 2013-12-04 | A kind of oil rub resistance solenoid valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN103615571B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111497806A (en) * | 2020-04-22 | 2020-08-07 | 西安航空制动科技有限公司 | Airplane brake pilot type hydraulic electromagnetic valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030196615A1 (en) * | 2002-04-22 | 2003-10-23 | Masahiko Asano | Electromagnetic valve control apparatus and control method thereof |
| CN201836629U (en) * | 2010-10-21 | 2011-05-18 | 茅豪杰 | Volumetric oil feeder with double outlets in equal oil outlet quantities |
| CN202580167U (en) * | 2012-05-13 | 2012-12-05 | 吴旭 | Novel electrically controlled relief valve |
| CN103244714A (en) * | 2013-05-15 | 2013-08-14 | 苏州萃智新技术开发有限公司 | Reversing valve |
| CN203571104U (en) * | 2013-12-04 | 2014-04-30 | 宜昌星航宇伺服科技有限公司 | Anti-oil electromagnetic valve |
-
2013
- 2013-12-04 CN CN201310639718.0A patent/CN103615571B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030196615A1 (en) * | 2002-04-22 | 2003-10-23 | Masahiko Asano | Electromagnetic valve control apparatus and control method thereof |
| CN201836629U (en) * | 2010-10-21 | 2011-05-18 | 茅豪杰 | Volumetric oil feeder with double outlets in equal oil outlet quantities |
| CN202580167U (en) * | 2012-05-13 | 2012-12-05 | 吴旭 | Novel electrically controlled relief valve |
| CN103244714A (en) * | 2013-05-15 | 2013-08-14 | 苏州萃智新技术开发有限公司 | Reversing valve |
| CN203571104U (en) * | 2013-12-04 | 2014-04-30 | 宜昌星航宇伺服科技有限公司 | Anti-oil electromagnetic valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111497806A (en) * | 2020-04-22 | 2020-08-07 | 西安航空制动科技有限公司 | Airplane brake pilot type hydraulic electromagnetic valve |
| CN111497806B (en) * | 2020-04-22 | 2022-04-19 | 西安航空制动科技有限公司 | Airplane brake pilot type hydraulic electromagnetic valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103615571B (en) | 2016-04-13 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Wei Inventor after: Wang Yong Inventor after: Han Bo Inventor after: Huang Ming Inventor after: Ma Long Inventor after: Liu Bin Inventor after: Zhou Wu Inventor after: Zhou Xiaoping Inventor after: Pan Feng Inventor after: Hu Chengxue Inventor before: Wang Yong Inventor before: Pan Feng Inventor before: Zheng Jianmin Inventor before: Liu Xuken Inventor before: Chen Yang Inventor before: Chen Yi Inventor before: Huang Ming Inventor before: Ma Long Inventor before: Zhou Wu Inventor before: Zhou Xiaoping |
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| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160622 Address after: 443002 Hubei Province, Yichang city Xiling District, Jianshe Road No. 1 Patentee after: China Yangtze Power Co., Ltd. Address before: 443133, Yiling District, Hubei City, Yichang province Lotte Creek Zhenjiang gorge three road Patentee before: YICHANG XINGHANGYU SORVO TECHNOLOGY CO., LTD. Patentee before: China Yangtze Power Co., Ltd. |