CN203441509U - Novel large-flow hydraulic control one-way valve - Google Patents
Novel large-flow hydraulic control one-way valve Download PDFInfo
- Publication number
- CN203441509U CN203441509U CN201320545743.8U CN201320545743U CN203441509U CN 203441509 U CN203441509 U CN 203441509U CN 201320545743 U CN201320545743 U CN 201320545743U CN 203441509 U CN203441509 U CN 203441509U
- Authority
- CN
- China
- Prior art keywords
- valve
- push rod
- hydraulic control
- core
- way 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a novel large-flow hydraulic control one-way valve. The novel large-flow hydraulic control one-way valve comprises a valve body, a valve sleeve, a valve core assembly, a valve base and an ejector rod, wherein the valve base is provided with a liquid passing cavity, the head of the ejector rod stretches into the liquid passing cavity of the valve base, the tail of the ejector rod is located outside the valve base, the ejector rod is further sleeved with a return spring, the head and the rod body of the ejector rod are provided with an external thread, a limiting block is arranged at the position, adjacent to the liquid passing cavity, inside the valve base, a through hole is formed in the limiting block, the inner wall of the through hole is provided with an internal thread matched with the external thread on the ejector rod, one end of the return spring abuts against the limiting block, and the other end of the return spring abuts against the tail of the ejector rod. Compared with the prior art, the valve base is in threaded connection with the ejector rod, the ejector rod can be screwed in the liquid passing cavity in the valve base, a plug-in type hydraulic assembly is formed, the whole hydraulic control one-way valve is high in system integration degree and convenient to install and maintain, namely, the hydraulic control one-way valve is easy to install and convenient to maintain, and the hydraulic control one-way valve can be repaired directly by replacing the plug-in type hydraulic assembly.
Description
Technical field
The utility model relates to the Hydraulic Elements in coal mine hydraulic supporting hydraulic circuit, and specifically, the utility model relates to a kind of novel mass flow hydraulic control one-way valve.
Background technology
Since coal mine fully-mechanized mining starts, due to the difference of various coal mining environment, hydraulic support and supporting equipment have been had to stricter requirement.Hydraulic control one-way valve flow is little at present, during off-load, hydraulic shock is large, to each component of valve and bulk life time, all can reduce, sealing surface adopts the material sealings such as valve pad or polyformaldehyde, on coal mine work area, have unavoidably tiny cinder or other foreign matters enter in hydraulic valve, when pilot operated valve device opening and closing, having impurity is squeezed on compressive seal, cause leakage, string liquid, adaptive capacity and application life are all not ideal enough, traditional hydraulic control one-way valve is combined by a lot of structural members in addition, change seal and will dismantle a lot of parts, the very inconvenience in down-hole, a lot of problems are perplexing the normal operation of underground hydraulic support frame and are producing.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of novel mass flow hydraulic control one-way valve simple and easy to maintenance of installing.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of novel mass flow hydraulic control one-way valve, comprise valve body, valve pocket, core assembly, valve seat and push rod, valve seat was provided with sap cavity, core assembly is built in valve pocket, the head of core assembly is connected with valve base sealing in the port with crossing sap cavity connection of valve seat, the head of push rod stretches into crossing in sap cavity of valve seat, the afterbody of push rod is positioned at outside valve seat, on push rod, also cover has return spring, the head shaft of push rod is provided with external screw thread, the position adjacent with crossing sap cavity, the inside of valve seat is provided with limited block, limited block is provided with through hole, the inwall of through hole be provided with push rod on the suitable internal thread of external screw thread, return spring one end is against on limited block, the other end is against the afterbody of push rod.
Described core assembly comprises small valve core and be enclosed within the big valve core on small valve core, and big valve core is connected with described valve base sealing, between small valve core and described valve pocket, is also provided with spring, and spring promotion small valve core makes the head of spool can stretch out in the outside of big valve core.
The head of described big valve core is frustum structure, and described push rod starts to contact in the port of described valve seat with core assembly.
Described one way valve has four for the working hole of emulsion turnover, a working hole on wherein said valve body is communicated to the liquid storage cylinder of the afterbody of described push rod, two other working hole on valve body respectively with described valve seat cross sap cavity and described valve pocket cross liquid channel connection, the end of stretching out of valve pocket is also provided with a working hole.
The utility model adopts technique scheme, compared with prior art, valve seat and push rod are for being threaded, push rod can screw in crossing in sap cavity in valve seat, the hydraulic package that forms plug-in, makes the level of integrated system of whole hydraulic control one-way valve higher, is convenient to installation and the maintenance of hydraulic control one-way valve, install simple, easy to maintenancely, directly by changing plug-in hydraulic pressure assembly, just can repair this hydraulic control one-way valve.
Accompanying drawing explanation
Fig. 1 is the structural representation of hydraulic control one-way valve of the present utility model;
Mark in above-mentioned figure is: 1, valve pocket; 2, big valve core; 3, valve body; 4, valve seat; 5, return spring; 6, push rod; 7, cross sap cavity; 8, small valve core; 9, limited block; 10, feed pathway; 11, valve pad; 12, spring; 13, shoe cream room.
The specific embodiment
Be illustrated in figure 1 a kind of novel mass flow hydraulic control one-way valve of the present utility model, comprise valve body 3, valve pocket 1, core assembly, valve seat 4 and push rod 6.In the valve pocket of valve pocket 1 insertion valve body 3, be threaded with valve body 3, its end stretches out in valve body 3 outsides, for the joint of other parts of pegging graft.Valve seat 4 and push rod 6 are arranged in valve body 3 valve pockets, valve seat 4 was provided with sap cavity 7, core assembly is built in valve pocket 1, the head of core assembly is tightly connected at port and the valve seat 4 with sap cavity 7 is communicated with excessively of valve seat 4, the head of push rod 6 stretches into crossing in sap cavity 7 of valve seat 4, the afterbody of push rod 6 is positioned at outside valve seat 4, and forms liquid storage cylinder with the inwall of valve body 3.Core assembly comprises small valve core 8 and is enclosed within the big valve core 2 on small valve core 8, the head and the valve seat 4 that stretch out outside valve pocket 1 of big valve core 2 are tightly connected, between small valve core 8 and valve pocket 1, be also provided with spring 12, spring 12 promotes small valve cores 8 and slides in big valve core 2, and first the outside that makes the head of small valve core 8 can stretch out in big valve core 2 contacts with push rod 6.Under the promotion of push rod 6 emulsion in shoe cream room 13, towards core assembly, move, first contact with small valve core 8, promote small valve core 8 and move, now off-load amount is less, and when push rod 6 moves to while contact with big valve core 2, promotion big valve core 2 moves, and now off-load amount is larger.
As shown in Figure 1, in this hydraulic control one-way valve, the head shaft of push rod 6 is provided with external screw thread, the position adjacent with crossing sap cavity 7, the inside of valve seat 4 is provided with limited block 9, limited block 9 is provided with through hole, the inwall of through hole be provided with push rod 6 on the suitable internal thread of external screw thread, on push rod 6, also cover has return spring 5, these return spring 5 one end are against on limited block 9, and the other end is against the afterbody of push rod 6.Compared with prior art, valve seat 4 and push rod 6 are for being threaded, push rod 6 can screw in crossing in sap cavity 7 in valve seat 4, form the hydraulic package of plug-in, make the level of integrated system of whole hydraulic control one-way valve higher, be convenient to installation and the maintenance of hydraulic control one-way valve, install simple, easy to maintenancely, directly by changing plug-in hydraulic pressure assembly, just can repair this hydraulic control one-way valve.
As shown in Figure 1, the head of big valve core 2 is frustum structure, and the head of big valve core 2 no longer stretches into crossing in sap cavity 7 of valve seat 4, and 8 ports at valve seat 4 of push rod 6 and big valve core 2 and small valve core start to contact, make the structure of core assembly simpler, the more compact structure of hydraulic control one-way valve integral body.In addition, be provided with the valve pad 11 of polyformaldehyde material in the port of valve seat 4, big valve core 2 is tightly connected with valve pad 11, to strengthen sealing performance.
This hydraulic control one-way valve has four altogether for the working hole of emulsion turnover, as shown in Figure 1, on valve body 3, be provided with three working holes, as the working hole A that is positioned at valve body 3 sidepieces, working hole PA and the working hole PB in figure, wherein working hole PB is communicated with shoe cream room 13, working hole PA is communicated with the sap cavity 7 excessively of valve seat 4, and working hole A is communicated with the feed pathway 10 arranging on valve pocket 1, and the end of stretching out on valve pocket 1 is also provided with a working hole A'.
This large operating principle of flow pilot operated check valve is identical with the hydraulic control one-way valve of prior art.This large flow pilot operated check valve is of a size of 136*75*56mm, and nominal flow rate is 400L/min, and nominal pressure is 50MPa, and working media is emulsion.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (4)
1. a novel mass flow hydraulic control one-way valve, comprise valve body, valve pocket, core assembly, valve seat and push rod, valve seat was provided with sap cavity, core assembly is built in valve pocket, the head of core assembly is connected with valve base sealing in the port with crossing sap cavity connection of valve seat, the head of push rod stretches into crossing in sap cavity of valve seat, the afterbody of push rod is positioned at outside valve seat, on push rod, also cover has return spring, it is characterized in that: the head shaft of described push rod is provided with external screw thread, the position adjacent with crossing sap cavity, the inside of described valve seat is provided with limited block, limited block is provided with through hole, the inwall of through hole be provided with push rod on the suitable internal thread of external screw thread, described return spring one end is against on limited block, the other end is against the afterbody of push rod.
2. novel mass flow hydraulic control one-way valve according to claim 1, it is characterized in that: described core assembly comprises small valve core and is enclosed within the big valve core on small valve core, big valve core is connected with described valve base sealing, between small valve core and described valve pocket, be also provided with spring, spring promotes small valve core makes the head of spool can stretch out in the outside of big valve core.
3. novel mass flow hydraulic control one-way valve according to claim 2, is characterized in that: the head of described big valve core is frustum structure, and described push rod starts to contact in the port of described valve seat with core assembly.
4. according to the novel mass flow hydraulic control one-way valve described in claim 1 or 2 or 3, it is characterized in that: described one way valve has four for the working hole of emulsion turnover, a working hole on wherein said valve body is communicated to the liquid storage cylinder of the afterbody of described push rod, two other working hole on valve body respectively with described valve seat cross sap cavity and described valve pocket cross liquid channel connection, the end of stretching out of valve pocket is also provided with a working hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545743.8U CN203441509U (en) | 2013-09-04 | 2013-09-04 | Novel large-flow hydraulic control one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545743.8U CN203441509U (en) | 2013-09-04 | 2013-09-04 | Novel large-flow hydraulic control one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203441509U true CN203441509U (en) | 2014-02-19 |
Family
ID=50092569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320545743.8U Expired - Fee Related CN203441509U (en) | 2013-09-04 | 2013-09-04 | Novel large-flow hydraulic control one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203441509U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455567A (en) * | 2014-10-30 | 2015-03-25 | 无锡市威海达机械制造有限公司 | Check valve capable of prolonging service life |
| CN104455568A (en) * | 2014-10-30 | 2015-03-25 | 无锡市威海达机械制造有限公司 | Check valve capable of reducing starting pressure |
| CN105402449A (en) * | 2015-12-25 | 2016-03-16 | 江苏恒立液压有限公司 | Hydraulically-controlled check valve |
| CN107762542A (en) * | 2017-10-26 | 2018-03-06 | 鸿大智能机械有限公司 | The regulator of automatic unloading hydraulic control one-way valve |
| CN107762541A (en) * | 2017-10-26 | 2018-03-06 | 鸿大智能机械有限公司 | The automatic unloading device of hydraulic control one-way valve |
| CN107842380A (en) * | 2017-10-26 | 2018-03-27 | 鸿大智能机械有限公司 | The core assembly of automatic unloading hydraulic control one-way valve |
| CN107842381A (en) * | 2017-10-26 | 2018-03-27 | 鸿大智能机械有限公司 | Automatic unloading hydraulic control one-way valve |
| CN107842382A (en) * | 2017-10-27 | 2018-03-27 | 鸿大智能机械有限公司 | Hydraulic control one-way valve |
| CN107859524A (en) * | 2017-10-27 | 2018-03-30 | 鸿大智能机械有限公司 | The core assembly of hydraulic control one-way valve |
| CN108006263A (en) * | 2017-12-01 | 2018-05-08 | 宁波文泽机电技术开发有限公司 | Open type guide type electromagnetic ball valve |
| CN112963590A (en) * | 2021-03-15 | 2021-06-15 | 中国长江电力股份有限公司 | Embedded rapid interception one-way valve sleeve and method |
-
2013
- 2013-09-04 CN CN201320545743.8U patent/CN203441509U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455567A (en) * | 2014-10-30 | 2015-03-25 | 无锡市威海达机械制造有限公司 | Check valve capable of prolonging service life |
| CN104455568A (en) * | 2014-10-30 | 2015-03-25 | 无锡市威海达机械制造有限公司 | Check valve capable of reducing starting pressure |
| CN105402449A (en) * | 2015-12-25 | 2016-03-16 | 江苏恒立液压有限公司 | Hydraulically-controlled check valve |
| CN105402449B (en) * | 2015-12-25 | 2018-01-23 | 江苏恒立液压科技有限公司 | Hydraulic control one-way valve |
| CN107762542A (en) * | 2017-10-26 | 2018-03-06 | 鸿大智能机械有限公司 | The regulator of automatic unloading hydraulic control one-way valve |
| CN107762541A (en) * | 2017-10-26 | 2018-03-06 | 鸿大智能机械有限公司 | The automatic unloading device of hydraulic control one-way valve |
| CN107842380A (en) * | 2017-10-26 | 2018-03-27 | 鸿大智能机械有限公司 | The core assembly of automatic unloading hydraulic control one-way valve |
| CN107842381A (en) * | 2017-10-26 | 2018-03-27 | 鸿大智能机械有限公司 | Automatic unloading hydraulic control one-way valve |
| CN107842382A (en) * | 2017-10-27 | 2018-03-27 | 鸿大智能机械有限公司 | Hydraulic control one-way valve |
| CN107859524A (en) * | 2017-10-27 | 2018-03-30 | 鸿大智能机械有限公司 | The core assembly of hydraulic control one-way valve |
| CN108006263A (en) * | 2017-12-01 | 2018-05-08 | 宁波文泽机电技术开发有限公司 | Open type guide type electromagnetic ball valve |
| CN112963590A (en) * | 2021-03-15 | 2021-06-15 | 中国长江电力股份有限公司 | Embedded rapid interception one-way valve sleeve and method |
| CN112963590B (en) * | 2021-03-15 | 2022-11-15 | 中国长江电力股份有限公司 | Embedded rapid interception one-way valve sleeve and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203441509U (en) | Novel large-flow hydraulic control one-way valve | |
| CN202560256U (en) | Plug-in type stand column hydraulic control one-way valve | |
| CN201461565U (en) | Hydraulic lock | |
| CN202718699U (en) | Large flow bidirectional lock | |
| CN203130118U (en) | Differential pressure combination valve | |
| CN202832603U (en) | Novel medium-flux hydraulic control one-way valve | |
| CN202832578U (en) | Large-flow hydraulic control one-way valve | |
| CN202718700U (en) | Middle flow reversible lock | |
| CN103291980A (en) | Air control hydraulic one-way valve | |
| CN203023523U (en) | Valve | |
| CN202064971U (en) | Plug-in medium flow column pilot operated check valve | |
| CN202325566U (en) | High-flow pilot operated check valve | |
| CN202832580U (en) | Middle-flow hydraulic control one-way valve | |
| CN203347817U (en) | Middle flow balance reversible lock | |
| CN102191944A (en) | Inserted medium flow upright post hydraulic control one-way valve | |
| CN102128037A (en) | Plug-in mounting stand column hydraulic control one-way valve | |
| CN202325567U (en) | Tube-connection high-flow hydraulic control one-way valve | |
| CN203531929U (en) | Novel large-flow one-way lock | |
| CN203130134U (en) | Differential pressure combination valve for displacement | |
| CN203626692U (en) | Automatic backflow type well head sealing device | |
| CN102135003A (en) | Cartridge high-flow hard sealing upright post hydraulic control one-way valve | |
| CN201982121U (en) | Plug-in type pillar hydraulic control one-way valve | |
| CN203308490U (en) | High-flow balancing two-way lock | |
| CN203614487U (en) | Hydraulic control one-way valve | |
| CN201771519U (en) | Hydraulic control one-way valve with pressurization function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20140904 |
|
| EXPY | Termination of patent right or utility model |