CN103016433A - Two-way over-travel and automatic-resetting mechanically-actuated valve - Google Patents
Two-way over-travel and automatic-resetting mechanically-actuated valve Download PDFInfo
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- CN103016433A CN103016433A CN2012105553384A CN201210555338A CN103016433A CN 103016433 A CN103016433 A CN 103016433A CN 2012105553384 A CN2012105553384 A CN 2012105553384A CN 201210555338 A CN201210555338 A CN 201210555338A CN 103016433 A CN103016433 A CN 103016433A
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- valve
- spool
- valve core
- axle
- spring
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Abstract
The invention relates to hydraulic elements and provides a two-way over-travel and automatic-resetting mechanically-actuated valve which is particularly applicable to occasions in which the travel of a collision block is difficult to accurately control, a valve core needs two-way driving and difficultly bears larger radial force, and the like. The mechanically-actuated valve comprises a base plate, a reversing valve, a pin, a valve core driving assembly, a valve core resetting assembly, a locating sleeve, a connecting rack, a blocking plate, a bracket assembly, a small locking nut, a big locking nut, and the like. According to the mechanically-actuated valve provided by the invention, the over-travel can be realized, namely, the travel of the collision block is allowed to exceed that of the valve core, so that in-place movement of the valve core can be guaranteed under the collision of the collision block and the valve core can be prevented from being damaged due to overlarge stress; and when the valve core is not subjected to collision, the automatic resetting of the valve core can be realized.
Description
Technical field
The present invention relates to a kind of hydraulic element, specifically a kind of bidirectional overtaking stroke and automatically reset motor valve.
Background technique
Motor valve is by being installed in the collision block on the moving element, directly or indirectly clashing into the hydrovalve spool and make it mobile, thereby switches oil circuit.The motor valve deficiency is the accurately control of stroke of collision block in the prior art, and the too small then valve core movement of stroke is not in place, and stroke is excessive then to cause motor valve to damage or inefficacy, also be to realize unidirectional drive, and also be two functions.
Summary of the invention
Purpose of the present invention is exactly the problem that needs accurately control and unidirectional drive for the stroke that overcomes motor valve collision block in the above-mentioned prior art, and a kind of bidirectional overtaking stroke and automatically reset motor valve are provided.Motor valve of the present invention can be realized over-travel, namely allows the stroke of collision block to surpass the stroke of spool, thereby both can guarantee to put in place in the motion of collision block bump lower valve core, can prevent that again spool is stressed excessive and damage; When not being impacted, can realize that spool automatically replies meta.
The objective of the invention is to be achieved by the following technical measures: a kind of bidirectional overtaking stroke and automatically reset motor valve, described motor valve comprise base plate, selector valve, pin, spool driven unit, valve core reset assembly, setting sleeve, link press span, baffle plate, bracket component, little locking nut, large locking nut.
Described spool driven unit is comprised of fork piece, hollow screw, straight pin, driving spring, strut, the flat shoulder of little spring; Described fork piece is connected by straight pin with strut; Described hollow screw is enclosed within on the fork piece, and about the flat shoulder of described little spring is provided with two, all be enclosed within on the strut, described driving spring is enclosed between the flat shoulder of two little springs of strut;
Described valve core reset assembly is comprised of guide sleeve, Returnning spring, the flat shoulder of big spring, adjustment pad, axle; About the flat shoulder of described big spring is provided with two, all be enclosed within on the guide sleeve, described Returnning spring is enclosed between the flat shoulder of two big springs of guide sleeve; Described guide sleeve and axle are threaded connection, and are provided with the adjustment pad between described guide sleeve and the axle;
Described bracket component is comprised of base, guide plate, supporting frame, fixed cover, and described guide plate and supporting frame are welded on the base, and described fixed cover is arranged in the circular hole of supporting frame;
Described selector valve, bracket component and base plate are affixed; Described selector valve is connected by pin with the spool driven unit; Described hollow screw is spun in the guide sleeve, and by little locking nut locking; Described axle is installed in the cover, and described link press span one end screws in the setting sleeve, and by large locking nut locking, the other end is fixedly connected with by screw with supporting frame; Described baffle-plate-sleeve is fixedly connected with axle by screw on axle.
Described selector valve is three-position four-way valve, is comprised of cone valve, right end cap, fittings body, nut, connecting rod, spool, valve body, indicating arm, left end cap; Described indicating arm is sleeved on spool one end, and described left end cap and valve body are affixed; Described spool is arranged in the valve body, and described connecting rod is sleeved on the spool the other end, and described right end cap and valve body are affixed; Described connecting rod screws in the fittings body, and by nut check, and described fittings body is connected by pin with fork piece in the spool driven unit.
Bidirectional overtaking stroke of the present invention and automatically reset motor valve compared with prior art have the following advantages: (1) has reduced the accurately requirement of control of collision block stroke, Applicable scope is wider, be specially adapted to the collision block stroke and be difficult to accurate control, spool is difficult to bear the occasion of larger radial force; (2) can realize the bi-directional drive of spool, solve the problem of traditional motor valve unidirectional drive, further widen the application of motor valve.
Description of drawings
Fig. 1 is the structural representation of a kind of bidirectional overtaking stroke of the present invention and automatically reset motor valve.
Fig. 2 is the partial sectional view of selector valve among the present invention.
Fig. 3 is the structural representation of spool driven unit among the present invention.
Fig. 4 is the structural representation of valve core reset assembly among the present invention.
Fig. 5 is the structural representation of medium-height trestle assembly of the present invention.
Fig. 6 is the left view of Fig. 5.
Wherein: 1. base plate, 2. selector valve, 3. sell, 4. spool driven unit, 5. valve core reset assembly, 6. setting sleeve, 7. link press span, 8. screw, 9. baffle plate, 10. bracket component, 11. large locking nut, 12. little locking nut, 13. inipple, 14. cone valve, 15. right end cap, 16. fittings body, 17. nut, 18. connecting rod, 19. spool, 20. valve body, 21. indicating arm, 22. left end cap, 23. cover, 24. fork piece, 25. hollow screw, 26. straight pin, 27. driving spring, 28. strut, 29. the flat shoulder of little spring, 30. guide sleeve, 31. Returnning spring, 32. the flat shoulder of big spring, 33. adjustment pad, 34. axle, 35. base, 36. guide plate, 37. supporting frame, 38. fixed cover.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Shown in Fig. 1,3,4,5,6, present embodiment provides a kind of embodiment one: a kind of bidirectional overtaking stroke and automatically reset motor valve, this motor valve comprise base plate 1, selector valve 2, pin 3, spool driven unit 4, valve core reset assembly 5, setting sleeve 6, link press span 7, baffle plate 9, bracket component 10.
Described spool driven unit 4 is comprised of fork piece 24, hollow screw 25, straight pin 26, driving spring 27, strut 28, the flat shoulder 29 of little spring; Described fork piece 24 is connected by straight pin 26 with strut 28; Described hollow screw 25 is enclosed within on the fork piece 24, and about the flat shoulder 29 of described little spring has two, all be enclosed within on the strut 28, described driving spring 27 is installed between the flat shoulder 29 of two springs.
Described valve core reset assembly 5 is comprised of guide sleeve 30, Returnning spring 31, the flat shoulder 32 of big spring, adjustment pad 33, axle 34; About the flat shoulder 32 of described big spring has two, all be enclosed within on the guide sleeve 30, described Returnning spring 31 is installed between the flat shoulder 32 of two big springs; Described guide sleeve 30 is threaded connection with axle 34, is provided with between described guide sleeve 30 and the axle 34 to adjust pad 33.
Described bracket component 10 is comprised of base 35, guide plate 36, supporting frame 37, fixed cover 38, and described guide plate 36 is welded on the base 35 with supporting frame 37, and described fixed cover 38 is installed in the circular hole of supporting frame 37.
Described selector valve 2, bracket component 10 and base plate 1 are affixed; Described selector valve 2 is connected by pin 3 with spool driven unit 4; Described hollow screw 25 screws in the guide sleeve 30, and by little locking nut 12 lockings; Described axle 34 is installed in the fixed cover 38, and described link press span 7 one ends screw in the setting sleeve 6, and by large locking nut 11 lockings, and the other end and supporting frame 36 are fixedly connected with by screw; Described baffle plate 9 is enclosed within on the axle 34, is fixedly connected with axle 34 by screw.
As shown in Figure 2, described selector valve 2 is three-position four-way valve, is comprised of cone valve 14, right end cap 15, fittings body 16, nut 17, connecting rod 18, spool 19, valve body 20, indicating arm 21, left end cap 22; Described indicating arm 21 is sleeved on spool 19 1 ends, and described left end cap 22 is affixed with valve body 20; Described spool 19 is installed in the valve body 20, and described connecting rod 18 is sleeved on spool 19 the other ends, and described right end cap 15 is affixed with valve body 20; Described connecting rod 18 screws in the fittings body 16, and by nut 17 lockings; Described fittings body 16 is connected by pin 3 with fork piece 24 in the spool driven unit 4.
Working principle: according to mode of execution one, when extraneous collision block applied left active force to baffle plate 9, baffle plate 9 band moving axis 34 were to left movement, compressible drive spring 27, and then promote fork piece 24 to left movement, thereby promote spool 19 to left movement, after spool 19 motions put in place, if the displacement of baffle plate 9 surpasses the stroke of spool 19, axle 34 drives hollow screw 25 and slides left along fork piece 24, driving spring 27 is further compressed, and spool 19 is motionless, realizes over-travel.After extraneous collision block was cancelled, under the effect of Returnning spring 31, axle 34 was got back to initial position, under the effect of driving spring 27, made spool 19 reply meta simultaneously; When extraneous collision block applies to the right active force to baffle plate 9, baffle plate 9 band moving axis 34 move right, compressible drive spring 27, and then promote fork piece 24 and move right, move right thereby promote spool 19, after spool 19 motions put in place, if the displacement of baffle plate 9 surpasses the stroke of spool 19, axle 34 drives hollow screw and slides to the right along fork piece 24, and driving spring 27 is further compressed, and spool 19 is motionless, realizes over-travel.After extraneous collision block was cancelled, under the effect of Returnning spring 31, axle 34 was got back to initial position, under the effect of driving spring 27, made spool 19 reply meta simultaneously.
Spool 19 can be dismantled in moving process and be covered 23, and whether move by indicating arm 22 observation spools 19 puts in place.Guarantee that by screw 8 and guide plate 36 axle 34 does not rotate in moving process.
Claims (2)
1. a bidirectional overtaking stroke and automatically reset motor valve, it is characterized in that: described motor valve comprises base plate, selector valve, pin, spool driven unit, valve core reset assembly, setting sleeve, link press span, baffle plate, bracket component;
Described spool driven unit is comprised of fork piece, hollow screw, straight pin, driving spring, strut, the flat shoulder of little spring; Described fork piece is connected by straight pin with strut; Described hollow screw is enclosed within on the fork piece, and about the flat shoulder of described little spring is provided with two, all be enclosed within on the strut, described driving spring is enclosed between the flat shoulder of two little springs of strut;
Described valve core reset assembly is comprised of guide sleeve, Returnning spring, the flat shoulder of big spring, adjustment pad, axle; About the flat shoulder of described big spring is provided with two, all be enclosed within on the guide sleeve, described Returnning spring is enclosed between the flat shoulder of two big springs of guide sleeve; Described guide sleeve and axle are threaded connection, and are provided with the adjustment pad between described guide sleeve and the axle;
Described bracket component is comprised of base, guide plate, supporting frame, fixed cover, and described guide plate and supporting frame are welded on the base, and described fixed cover is arranged in the circular hole of supporting frame;
Described selector valve, bracket component and base plate are affixed; Described selector valve is connected by pin with the spool driven unit; Described hollow screw is spun in the guide sleeve, and by little locking nut locking; Described axle is installed in the cover, and described link press span one end screws in the setting sleeve, and by large locking nut locking, the other end is fixedly connected with by screw with supporting frame; Described baffle-plate-sleeve is fixedly connected with axle by screw on axle.
2. bidirectional overtaking stroke according to claim 1 and automatically reset motor valve, it is characterized in that: described selector valve is three-position four-way valve, is comprised of cone valve, right end cap, fittings body, nut, connecting rod, spool, valve body, indicating arm, left end cap; Described indicating arm is sleeved on spool one end, and described left end cap and valve body are affixed; Described spool is arranged in the valve body, and described connecting rod is sleeved on the spool the other end, and described right end cap and valve body are affixed; Described connecting rod screws in the fittings body, and by nut check; Described fittings body is connected by pin with fork piece in the spool driven unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210555338.4A CN103016433B (en) | 2012-12-20 | 2012-12-20 | Two-way over-travel and automatic-resetting mechanically-actuated valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210555338.4A CN103016433B (en) | 2012-12-20 | 2012-12-20 | Two-way over-travel and automatic-resetting mechanically-actuated valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103016433A true CN103016433A (en) | 2013-04-03 |
| CN103016433B CN103016433B (en) | 2015-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210555338.4A Expired - Fee Related CN103016433B (en) | 2012-12-20 | 2012-12-20 | Two-way over-travel and automatic-resetting mechanically-actuated valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN103016433B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775113A (en) * | 2014-01-17 | 2014-05-07 | 中国矿业大学 | Device for controlling reversing of hydraulic bracket valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4158988A (en) * | 1977-08-29 | 1979-06-26 | J. I. Case Company | Self-responsive fluid means for anti-cavitation |
| GB1555145A (en) * | 1975-08-19 | 1979-11-07 | Bergwerksverband Gmbh | Hydraulic control valve device |
| US4733599A (en) * | 1983-08-02 | 1988-03-29 | Ing. Waldhauser Maschinenfabrik Gmbh & Co. Kg | Apparatus for controlling the flow of a pressure fluid in a motor |
| CN1127851A (en) * | 1995-01-28 | 1996-07-31 | 浙江工业大学 | Floating piston type liquid transporter |
| CN201043082Y (en) * | 2007-03-15 | 2008-04-02 | 天津三北橡塑设备维修中心 | Full-automatic self-lift type three-station tyre storing device |
| CN101560998A (en) * | 2009-05-07 | 2009-10-21 | 刘常芝 | Self-control positioning bidirectional hydraulic change-over valve |
| CN203051276U (en) * | 2012-12-20 | 2013-07-10 | 中国船舶重工集团公司第七一九研究所 | Engine-driven valve with functions of bi-direction stroke surpassing and automatic reset |
-
2012
- 2012-12-20 CN CN201210555338.4A patent/CN103016433B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1555145A (en) * | 1975-08-19 | 1979-11-07 | Bergwerksverband Gmbh | Hydraulic control valve device |
| US4158988A (en) * | 1977-08-29 | 1979-06-26 | J. I. Case Company | Self-responsive fluid means for anti-cavitation |
| US4733599A (en) * | 1983-08-02 | 1988-03-29 | Ing. Waldhauser Maschinenfabrik Gmbh & Co. Kg | Apparatus for controlling the flow of a pressure fluid in a motor |
| CN1127851A (en) * | 1995-01-28 | 1996-07-31 | 浙江工业大学 | Floating piston type liquid transporter |
| CN201043082Y (en) * | 2007-03-15 | 2008-04-02 | 天津三北橡塑设备维修中心 | Full-automatic self-lift type three-station tyre storing device |
| CN101560998A (en) * | 2009-05-07 | 2009-10-21 | 刘常芝 | Self-control positioning bidirectional hydraulic change-over valve |
| CN203051276U (en) * | 2012-12-20 | 2013-07-10 | 中国船舶重工集团公司第七一九研究所 | Engine-driven valve with functions of bi-direction stroke surpassing and automatic reset |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775113A (en) * | 2014-01-17 | 2014-05-07 | 中国矿业大学 | Device for controlling reversing of hydraulic bracket valve |
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| Publication number | Publication date |
|---|---|
| CN103016433B (en) | 2015-04-29 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20161220 |