CN202560257U - Plug-in type middle-flow rigid-seal two-way lock - Google Patents
Plug-in type middle-flow rigid-seal two-way lock Download PDFInfo
- Publication number
- CN202560257U CN202560257U CN2012201477211U CN201220147721U CN202560257U CN 202560257 U CN202560257 U CN 202560257U CN 2012201477211 U CN2012201477211 U CN 2012201477211U CN 201220147721 U CN201220147721 U CN 201220147721U CN 202560257 U CN202560257 U CN 202560257U
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- CN
- China
- Prior art keywords
- plug
- valve
- little spring
- way lock
- controlled
- 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
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- Valve Housings (AREA)
- Lift Valve (AREA)
Abstract
A plug-in type middle-flow rigid-seal two-way lock includes two sets of plug-in type hydraulic non-return valve assemblies, each of which includes a screw sheath, a valve core, a valve body, and a large spring. The screw sheath is provided therein with a little spring for supporting and resetting. The other end of the little spring abuts against the interior of the valve core. The valve core forms a metal loop line rigid-seal structure, with the valve base in threaded connection with the screw sheath, under action of the little spring, to form a plug-in type hydraulic non-return valve assembly. The invention has the advantages of high system integration degree and reliability, long service life, and easy installation and maintenance. The two-way lock can be repaired via directly replacing the plug-in type hydraulic non-return valve assemblies. It is simple, convenient, and reliable.
Description
Technical field
The utility model relates to a kind of reversible lock, relates in particular to flow hard sealing two-way lock in a kind of plug-in.
Background technology
Reversible lock plays important effect as the Hydraulic Elements of the two-way locking control of hydraulic cylinders such as colliery support compensating cylinder, wall supporting cylinder, and the reliability direct relation of reversible lock the security and stability of each parts of support.Along with the colliery instructions for use more and more develops with automation direction towards integrated; Reliability and application life require also increasingly high; Traditional reversible lock is owing to adopt the conical surface seal of valve pad sealing or polyformaldehyde material, and application life and accommodative ability of environment are not enough, and valve pad is easy to destroy under the extruding repeatedly of valve seat; The sealing of conical surface polyformaldehyde also can be caused seal failure by cinder or other hard thing destruction; The part kind of valve inner is many, repairs also very inconvenience, has more and more satisfied not the demand of colliery applying unit.In this case, we design, produce a kind of dependable performance through independent research, and adaptive capacity is strong, and reversible lock easy to maintenance satisfies user's use needs.
The utility model content
The purpose of the utility model provides in a kind of plug-in flow hard sealing two-way lock, with reversible lock application life of solving prior art with adaptive capacity is low and the problem of maintenance difficult.
In order to achieve the above object, the technical scheme that the utility model adopted is:
Flow hard sealing two-way lock in a kind of plug-in; Comprise two cover plug-in hydraulically-controlled one-way valve assemblies; Plug-in hydraulically-controlled one-way valve assembly comprises swivel nut, spool, valve body, big spring, and there has been the little spring that supports reset response said swivel nut inside, and the other end of little spring is against valve core inside; Spool forms metal loop wire hard sealing structure through little spring effect and the valve seat that is threaded on the swivel nut, a whole set of plug-in hydraulically-controlled one-way valve assembly that forms; The double end push rod that said big spring supports control action is contained in the valve body middle part, and whole valve member is integrated.
The plug-in hard sealing structure is adopted in this practicality, and level of integrated system height, good reliability, long service life are easy to installation and maintenance, directly repairs this reversible lock through changing the plug-in hydraulic package, and is simple and convenient reliable.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Below in conjunction with instance and accompanying drawing the utility model is remake description.
Flow hard sealing two-way lock in a kind of plug-in; Comprise two cover plug-in hydraulically-controlled one-way valve assemblies; Plug-in hydraulically-controlled one-way valve assembly comprises swivel nut 1, spool 3, valve body 7, big spring 5; There has been the little spring 2 that supports reset response said swivel nut 1 inside, and the other end of little spring 2 is against spool 3 inside, spool 3 forms metal loop wire hard sealing structure through little spring 2 effects and the valve seat 4 that is threaded on the swivel nut 1, a whole set of plug-in hydraulically-controlled one-way valve assembly that forms; The double end push rod 6 that said big spring 5 supports control action is contained in valve body 7 middle parts, and whole valve member is integrated.
Two working chamber structures are identical; Its operating principle is following: the connected mode of this reversible lock is: the PA mouth connects reversal valve work sap cavity; The relative work sap cavity of reversal valve that the PB termination is corresponding with PA; The A mouth connects a chamber of wanting the locking oil cylinder, and the B mouth connects another chamber that needs locking of this oil cylinder, and A ' and B ' mouth connect the safety valve of fast interface or add stifled.
When operating mode need be controlled A oil cylinder that mouth connects and stretches out, reversal valve connect the work sap cavity of PA interface and opens feed flow, and high-pressure work liquid gets into a PA mouth part and pushes spool 3 open; Working solution gets into the back and gets into the oil cylinder locked cavity through the A mouth; The one chamber action of this oil cylinder is stretched out, and another part high-pressure work liquid promotes intermediate piston through the aperture on the valve seat, opens the hydraulic package of opposite side; When that chamber work that connects the B mouth is shunk, stable time liquid.When the PA end stopped feed flow, spool 3 formed the working solution locking that the metal hard-sealing collateral is held this oil cylinder working chamber with valve seat 4 under the pressure of little spring 2, and the initial sealing state that equally also returns to of the other end forms two-way locking steady working condition; When operating mode need be controlled B oil cylinder that mouth connects and stretches out, reversal valve connect the work sap cavity of PB interface and opens feed flow, formed and pairing action during PA confession liquid, finally realized two-way locking.
Claims (1)
1. flow hard sealing two-way lock in the plug-in; Comprise two cover plug-in hydraulically-controlled one-way valve assemblies; Plug-in hydraulically-controlled one-way valve assembly comprises swivel nut, spool, valve body, big spring, it is characterized in that: there has been the little spring that supports reset response said swivel nut inside, and the other end of little spring is against valve core inside; Spool forms metal loop wire hard sealing structure through little spring effect and the valve seat that is threaded on the swivel nut, a whole set of plug-in hydraulically-controlled one-way valve assembly that forms; The double end push rod that said big spring supports control action is contained in the valve body middle part, and whole valve member is integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201477211U CN202560257U (en) | 2012-04-10 | 2012-04-10 | Plug-in type middle-flow rigid-seal two-way lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201477211U CN202560257U (en) | 2012-04-10 | 2012-04-10 | Plug-in type middle-flow rigid-seal two-way lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202560257U true CN202560257U (en) | 2012-11-28 |
Family
ID=47209921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201477211U Expired - Fee Related CN202560257U (en) | 2012-04-10 | 2012-04-10 | Plug-in type middle-flow rigid-seal two-way lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202560257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807244A (en) * | 2014-01-22 | 2014-05-21 | 马鞍山市裕华机械制造有限公司 | Plug-in mounting type oil supplementing valve controlled by ejector rod |
-
2012
- 2012-04-10 CN CN2012201477211U patent/CN202560257U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807244A (en) * | 2014-01-22 | 2014-05-21 | 马鞍山市裕华机械制造有限公司 | Plug-in mounting type oil supplementing valve controlled by ejector rod |
| CN103807244B (en) * | 2014-01-22 | 2015-10-28 | 马鞍山市裕华机械制造有限公司 | Push rod controls plug-in type Fill valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20130410 |