CN103836016A - Electric hydraulic control check valve - Google Patents
Electric hydraulic control check valve Download PDFInfo
- Publication number
- CN103836016A CN103836016A CN201210484986.5A CN201210484986A CN103836016A CN 103836016 A CN103836016 A CN 103836016A CN 201210484986 A CN201210484986 A CN 201210484986A CN 103836016 A CN103836016 A CN 103836016A
- Authority
- CN
- China
- Prior art keywords
- spring seat
- valve body
- way valve
- thread
- check valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses an electric hydraulic control check valve. The electric hydraulic control check valve comprises a valve body, wherein a first thread inserting hole and a second thread inserting hole are formed in one end of the valve body, and a third thread inserting hole is formed in the other end of the valve body; a two-position and two-way leakage-free thread electromagnetic valve is arranged in the first thread inserting hole, a hydraulic control check valve body is arranged in the second thread inserting hole, and a check valve body is arranged in the third thread inserting hole; a first connecting oil port and a second connecting oil port are formed in the side face of the valve body, and both the first connecting oil port and the second connecting oil port are communicated with the first thread inserting hole, the second oil inserting hole and the third thread inserting hole. Energy consumption of the electric hydraulic control check valve in a hydraulic system is low, oil liquid can not become hot easily, hydraulic impact is small in the opening and closing moment, and the electric hydraulic control check valve is stable in working condition, long in service life, simple in structure and low in manufacturing cost; besides, the electric hydraulic control check valve has the manual unloading function, and manual unloading can be achieved through the two-position and two-way leakage-free thread electromagnetic valve when loss of power happens accidentally.
Description
Technical field
The present invention relates to a kind of one-way valve, particularly a kind of electrichydraulic control one-way valve.
Background technique
Pilot operated check valve is to rely on to control hydrodynamic pressure, can make the valve of one-way valve reverse circulated.This valve occupies compared with consequence in the hydraulic prop equipment of coal mine machinery.Pilot operated check valve and the common one-way valve difference oil circuit control K that has been many, in the time of oil circuit control access failure pressure oil liquid, Pilot operated check valve is worked as common one-way valve, and pressure oil only flows to oil outlet from filler opening, can not reverse flow.In the time of the input of oil circuit control oil pilot pressure, piston mandril moves right under pressure oil effect, backs down one-way valve with push rod, and oil inlet and outlet is connected.If being greater than filler opening, oil outlet just can make fluid reverse flow.
Traditional Pilot operated check valve: be made up of poppet valve core, control spool and spring etc., reverse opening is opened by controlling spool promotion poppet valve core under the effect of oil pressure.Traditional Pilot operated check valve, in hydraulic system, energy consumption is high, and fluid should generate heat, and opens and closes moment, and hydraulic shock is large, and operating mode is steady not, frequent operation, working life is low, complex structure, element precision is higher, and manufacture cost is high.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of energy consumption is low, hydraulic shock is little, applying working condition steadily, a kind of electrichydraulic control one-way valve of long service life, simple in structure, low cost of manufacture.
For achieving the above object, technological scheme of the present invention is as follows:
A kind of electrichydraulic control one-way valve, comprises a valve body, and one end of described valve body is provided with first, second thread cartridge hole, and the other end of described valve body is provided with the 3rd thread cartridge hole; In described the first thread cartridge hole, be provided with 22 logical nothings and leak screw thread solenoid valve, in described the second thread cartridge hole, be provided with Pilot operated check valve, in described the 3rd thread cartridge hole, be provided with one-way valve; The side of described valve body is provided with the first connection hydraulic fluid port and is connected hydraulic fluid port with second, and described first connects hydraulic fluid port, second connects hydraulic fluid port and the first, second, third equal conducting in thread cartridge hole.
In one embodiment of the invention, described Pilot operated check valve is made up of poppet valve core, damper, the first pressure spring, the first spring seat, the first plug screw and the first combination seal packing ring, described poppet valve core is connected with damper, one end of the first pressure spring is connected with damper, the other end is connected with the first spring seat, the first spring seat is provided with the first plug screw, passes through the first combination seal washer sealing between the first plug screw and the second thread cartridge hole.
In one embodiment of the invention, described one-way valve is made up of steel ball, front spring seat, rear spring seat, the second pressure spring and the second plug screw; One end of described steel ball is connected with front spring seat, and the second pressure spring is placed between front spring seat and rear spring seat, and described the second plug screw is connected with rear spring seat, passes through the second combination seal washer sealing between the second plug screw and the 3rd thread cartridge hole.
In one embodiment of the invention, described valve body adopts 45 modified forging.
In one embodiment of the invention, described poppet valve core is that 20Cr material is made.
In one embodiment of the invention, one end of described poppet valve core is provided with center hole, and the other end aperture arranges the chamfering of 30 °.
In one embodiment of the invention, described the first spring seat is provided with aperture.
In one embodiment of the invention, described valve body is provided with screw mounting hole.
By technique scheme, the invention has the beneficial effects as follows:
Electrichydraulic control one-way valve of the present invention energy consumption in hydraulic system is low, and fluid should not generate heat, and opens and closes moment, and hydraulic shock is little, and operating mode is more steady, and long service life is simple in structure, and manufacture cost is not high; And there is manual unloading function, in the time of unexpected dead electricity, by 2 the 2 logical knobs without leaking screw thread solenoid valve, manually off-load.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present invention.
Numeral and the represented corresponding part title of letter in figure:
100, valve body 110, first connects hydraulic fluid port 120, second connects hydraulic fluid port 130, screw mounting hole 200, 22 logical without leaking screw thread solenoid valve 300, Pilot operated check valve 310, poppet valve core 320, damper 330, the first pressure spring 340, the first spring seat 350, the first plug screw 360, the first combination seal packing ring 400, one-way valve 410, steel ball 420, front spring seat 430, rear spring seat 440, the second pressure spring 450, the second plug screw 460, the second combination seal packing ring
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Shown in Figure 1, a kind of electrichydraulic control one-way valve of the present invention comprises a valve body 100, is provided with first, second thread cartridge hole in one end of valve body 100, and the other end of valve body 100 is provided with the 3rd thread cartridge hole; In the first thread cartridge hole, be provided with in 22 logical nothing leakage screw thread solenoid valve 200, the second thread cartridge holes and be provided with in Pilot operated check valve 300, the three thread cartridge holes and be provided with one-way valve 400; On the side of valve body 100, be provided with the first connection hydraulic fluid port 110 and be connected hydraulic fluid port 120, the first connection hydraulic fluid ports 110, the second connection hydraulic fluid port 120 and first, second, third equal conducting in thread cartridge hole with second; Pressure oil can be by the first connection hydraulic fluid port 110 to second connection hydraulic fluid ports 120, also can be by the second connection hydraulic fluid port 120 to first connection hydraulic fluid ports 110, when pressure oil is during by the second connection hydraulic fluid port 120 to first connection hydraulic fluid port 110, by 2 the 2 logical effects without leaking screw thread solenoid valve 200, second connects hydraulic fluid port 120 to first connection hydraulic fluid ports 110 can open and can close, simultaneously in the time of unexpected dead electricity, by 2 the 2 logical manually off-loads of knob without leaking screw thread solenoid valve 200.
Pilot operated check valve 300 of the present invention is made up of poppet valve core 310, damper 320, the first pressure spring 330, the first spring seat 340, the first plug screw 350 and the first combination seal packing ring 360, poppet valve core 310 is connected with damper 320, one end of the first pressure spring 330 is connected with damper 320, the other end is connected with the first spring seat 340, the first spring seat 340 is provided with between the first plug screw 350, the first plug screws 350 and the second thread cartridge hole by the first combination seal washer sealing 360.
One-way valve 400 of the present invention is made up of steel ball 410, front spring seat 420, rear spring seat 430, the second pressure spring 440 and the second plug screw 450; One end of steel ball 410 is connected with front spring seat 420, the second pressure spring 440 is placed between front spring seat 420 and rear spring seat 430, the second plug screw 450 is connected with rear spring seat 430, between the second plug screw 450 and the 3rd thread cartridge hole, seals by the second combination seal packing ring 460.
Valve body 100 of the present invention adopts 45 modified forging, its density, intensity are high, and the effect that can bear for a long time high temperature, high pressure should not produce the phenomenon of infiltration, distortion, need not separately do one-way valve seat, check-valve port has equally higher working life under the frequent impact of poppet valve core or steel ball again.
Poppet valve core 310 of the present invention adopts 20Cr material to make, and outer surface carburizing and quenching, possesses suitable wear resistance and impact toughness, and the conical surface circularity of poppet valve core, roughness are had relatively high expectations, the concentricity requirement of the conical surface and cylndrical surface is also higher, to guarantee the sealing of valve port.
For ease of guaranteeing the conical surface of poppet valve core 310 and the concentricity of cylndrical surface, one end of poppet valve core 310 is provided with center hole, and damper 320 is placed in center hole; The other end aperture arranges the chamfering of 30 °, to improve the manufacturability of processing.
Poppet valve core 310 of the present invention adopts the Area Ratio of vast scale, when pressure oil is during by the second connection hydraulic fluid port 120 to first connection hydraulic fluid port 110, can open rapidly, also can close rapidly simultaneously; When 22 logical without reveal screw thread solenoid valves 200 when electric, 22 logical nothings are revealed screw thread solenoid valve 200 and are opened, the two ends of the damper 320 in poppet valve core 310 will produce pressure reduction, press extent to depend on size and the logical oil mass in damper 320 apertures, therefore the second keying speed that connects hydraulic fluid port 120 to first connection hydraulic fluid ports 110 can change by changing the Area Ratio of poppet valve core 310 and the size in damper 320 apertures; When can making the first pressure spring 330 work, the first spring seat 340 avoids bending, to improve the working life of the first pressure spring 330, the first spring seat 340 is provided with aperture, this aperture is to be responsible for the spring chamber of Pilot operated check valve 300 and 22 logical nothing leakage screw thread solenoid valves 200 to connect, and for guaranteeing that Pilot operated check valve 300 is controlled by 22 and leads to without revealing screw thread solenoid valve 200; When pressure oil is during by the first connection hydraulic fluid port 110 to second connection hydraulic fluid port 120, one-way valve 400 makes the first connection hydraulic fluid port 110 keep high pressure, to guarantee that the first connection hydraulic fluid port 110 to second connection hydraulic fluid ports 120 open rapidly; Electrichydraulic control one-way valve of the present invention adopts tubular type to connect, easy for installation, and passes screw mounting hole 130 fixed valve bodies by screw, to alleviate vibration and noise.
More than show and described basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (8)
1. an electrichydraulic control one-way valve, is characterized in that: comprise a valve body, one end of described valve body is provided with first, second thread cartridge hole, and the other end of described valve body is provided with the 3rd thread cartridge hole; In described the first thread cartridge hole, be provided with 22 logical nothings and leak screw thread solenoid valve, in described the second thread cartridge hole, be provided with Pilot operated check valve, in described the 3rd thread cartridge hole, be provided with one-way valve; The side of described valve body is provided with the first connection hydraulic fluid port and is connected hydraulic fluid port with second, and described first connects hydraulic fluid port, second connects hydraulic fluid port and the first, second, third equal conducting in thread cartridge hole.
2. a kind of electrichydraulic control one-way valve according to claim 1, it is characterized in that: described Pilot operated check valve is made up of poppet valve core, damper, the first pressure spring, the first spring seat, the first plug screw and the first combination seal packing ring, described poppet valve core is connected with damper, one end of the first pressure spring is connected with damper, the other end is connected with the first spring seat, the first spring seat is provided with the first plug screw, passes through the first combination seal washer sealing between the first plug screw and the second thread cartridge hole.
3. a kind of electrichydraulic control one-way valve according to claim 1, is characterized in that: described one-way valve is made up of steel ball, front spring seat, rear spring seat, the second pressure spring and the second plug screw; One end of described steel ball is connected with front spring seat, and the second pressure spring is placed between front spring seat and rear spring seat, and described the second plug screw is connected with rear spring seat, passes through the second combination seal washer sealing between the second plug screw and the 3rd thread cartridge hole.
4. a kind of electrichydraulic control one-way valve according to claim 1, is characterized in that: described valve body adopts 45 modified forging.
5. a kind of electrichydraulic control one-way valve according to claim 1, is characterized in that: described poppet valve core is that 20Cr material is made.
6. a kind of electrichydraulic control one-way valve according to claim 1 or 5, is characterized in that: one end of described poppet valve core is provided with center hole, the other end aperture arranges the chamfering of 30 °.
7. a kind of electrichydraulic control one-way valve according to claim 2, is characterized in that: described the first spring seat is provided with aperture.
8. a kind of electrichydraulic control one-way valve according to claim 1, is characterized in that: described valve body is provided with screw mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210484986.5A CN103836016A (en) | 2012-11-23 | 2012-11-23 | Electric hydraulic control check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210484986.5A CN103836016A (en) | 2012-11-23 | 2012-11-23 | Electric hydraulic control check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103836016A true CN103836016A (en) | 2014-06-04 |
Family
ID=50799824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210484986.5A Pending CN103836016A (en) | 2012-11-23 | 2012-11-23 | Electric hydraulic control check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103836016A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370651A (en) * | 2015-11-26 | 2016-03-02 | 南通爱慕希机械股份有限公司 | High-pressure oil circuit manifold block |
| CN107165882A (en) * | 2017-07-24 | 2017-09-15 | 德州博福智能液压装备制造有限公司 | A kind of electromagnetism hydraulic control one-way valve |
| CN112628225A (en) * | 2020-11-03 | 2021-04-09 | 郑州磨料磨具磨削研究所有限公司 | Numerical control pressure relief valve group |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972345A (en) * | 1975-05-27 | 1976-08-03 | Sperry Rand Corporation | Pilot operated relief valve |
| CN1065708A (en) * | 1991-04-09 | 1992-10-28 | 刘思澜 | The sequence fluid one way valve of low controlling-pressure |
| US5212951A (en) * | 1991-05-16 | 1993-05-25 | Otis Elevator Company | Hydraulic elevator control valve |
| CN2222272Y (en) * | 1994-10-08 | 1996-03-13 | 李小示 | Hydraulic control one-way valve |
| CN2690642Y (en) * | 2004-02-23 | 2005-04-06 | 仇九桃 | Hydraulic integrated block |
| CN1719046A (en) * | 2005-07-15 | 2006-01-11 | 上海昂丰矿机科技有限公司 | Automatic control valve block of biliquid flow |
| CN2869408Y (en) * | 2005-06-27 | 2007-02-14 | 湖州生力液压有限公司 | Load feedback combination valve |
| CN102011759A (en) * | 2010-11-30 | 2011-04-13 | 湖州生力液压有限公司 | Electro-hydraulic control composite valve for reaper |
| CN102128037A (en) * | 2011-04-08 | 2011-07-20 | 巨隆集团芜湖兴隆液压有限公司 | Plug-in mounting stand column hydraulic control one-way valve |
| CN202946467U (en) * | 2012-11-23 | 2013-05-22 | 上海立新液压有限公司 | Electric hydraulic control one-way valve |
-
2012
- 2012-11-23 CN CN201210484986.5A patent/CN103836016A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972345A (en) * | 1975-05-27 | 1976-08-03 | Sperry Rand Corporation | Pilot operated relief valve |
| CN1065708A (en) * | 1991-04-09 | 1992-10-28 | 刘思澜 | The sequence fluid one way valve of low controlling-pressure |
| US5212951A (en) * | 1991-05-16 | 1993-05-25 | Otis Elevator Company | Hydraulic elevator control valve |
| CN2222272Y (en) * | 1994-10-08 | 1996-03-13 | 李小示 | Hydraulic control one-way valve |
| CN2690642Y (en) * | 2004-02-23 | 2005-04-06 | 仇九桃 | Hydraulic integrated block |
| CN2869408Y (en) * | 2005-06-27 | 2007-02-14 | 湖州生力液压有限公司 | Load feedback combination valve |
| CN1719046A (en) * | 2005-07-15 | 2006-01-11 | 上海昂丰矿机科技有限公司 | Automatic control valve block of biliquid flow |
| CN102011759A (en) * | 2010-11-30 | 2011-04-13 | 湖州生力液压有限公司 | Electro-hydraulic control composite valve for reaper |
| CN102128037A (en) * | 2011-04-08 | 2011-07-20 | 巨隆集团芜湖兴隆液压有限公司 | Plug-in mounting stand column hydraulic control one-way valve |
| CN202946467U (en) * | 2012-11-23 | 2013-05-22 | 上海立新液压有限公司 | Electric hydraulic control one-way valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370651A (en) * | 2015-11-26 | 2016-03-02 | 南通爱慕希机械股份有限公司 | High-pressure oil circuit manifold block |
| CN107165882A (en) * | 2017-07-24 | 2017-09-15 | 德州博福智能液压装备制造有限公司 | A kind of electromagnetism hydraulic control one-way valve |
| CN112628225A (en) * | 2020-11-03 | 2021-04-09 | 郑州磨料磨具磨削研究所有限公司 | Numerical control pressure relief valve group |
| CN112628225B (en) * | 2020-11-03 | 2022-11-08 | 郑州磨料磨具磨削研究所有限公司 | Ultrahigh-pressure numerical control pressure relief valve bank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103836016A (en) | Electric hydraulic control check valve | |
| CN202946467U (en) | Electric hydraulic control one-way valve | |
| CN103104569B (en) | Three-position four-way water pressure magnetic exchange valve used in deep sea | |
| CN106461114A (en) | Valve device for controlling media flows of any type | |
| CN202769012U (en) | Guide type two-position two-way electromagnetic stop valve | |
| CN108561357B (en) | Plug-in type proportional overflow valve | |
| CN104047918B (en) | Double linked one-way valve | |
| CN101551021A (en) | Direct-acting type two-way solenoid valve | |
| CN103075379A (en) | Electric-hydraulic proportional pressure control valve | |
| CN204985153U (en) | Combination pneumatic cylinder and control system thereof | |
| CN105003478A (en) | Control valve and circuit breaker hydraulic operating mechanism using control valve | |
| CN202501051U (en) | Electromagnetic control non-return valve | |
| CN104343755A (en) | Hydraulically controlled slave valve and load-sensitive simulation valve | |
| CN109764018B (en) | Multi-way valve with unloading and oil return logic functions in working piece | |
| CN110805725B (en) | Direct-acting electromagnetic one-way valve | |
| CN203906964U (en) | Novel pilot solenoid valve | |
| CN203488466U (en) | Dual-control multi-position reversing hydraulic device | |
| CN106438552B (en) | A kind of hydraulic system | |
| CN203703240U (en) | Solenoid valve | |
| CN108716489B (en) | Power stage structure of electro-hydraulic pressure servo valve | |
| CN107781457B (en) | A kind of side valve type proportional pressure-reducing valve | |
| CN105065369A (en) | Built-up hydraulic cylinder and control system and control method thereof | |
| CN203926906U (en) | A kind of spool-type valves | |
| US20120091376A1 (en) | Actuator for controlling a fluid flow | |
| CN106678112B (en) | A kind of underwater cylinder control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140604 |