CN203051276U - Engine-driven valve with functions of bi-direction stroke surpassing and automatic reset - Google Patents
Engine-driven valve with functions of bi-direction stroke surpassing and automatic reset Download PDFInfo
- Publication number
- CN203051276U CN203051276U CN 201220707634 CN201220707634U CN203051276U CN 203051276 U CN203051276 U CN 203051276U CN 201220707634 CN201220707634 CN 201220707634 CN 201220707634 U CN201220707634 U CN 201220707634U CN 203051276 U CN203051276 U CN 203051276U
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- China
- Prior art keywords
- valve
- spool
- valve core
- stroke
- spring
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- Withdrawn - After Issue
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- Mechanically-Actuated Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model relates to a hydraulic element, and provides an engine-driven valve with the functions of bi-direction stroke surpassing and automatic centering. The engine-driven valve with the functions of the bi-direction stroke surpassing and the automatic centering is particularly applicable to the occasions that a impacting block is difficult to accurately control, a valve core needs bi-directional driving, and the valve core can not bear large radial force. The engine-driven valve with the functions of the bi-direction stroke surpassing and the automatic centering is composed of a base plate, a reversing valve, a pin, a valve core driving assembly, a valve core reset assembly, a locating sleeve, a connecting frame, a baffle, a support assembly, a small locking nut, a large locking nut and the like. The engine-driven valve can achieve the stroke surpassing, namely a stroke of the impacting block is allowed to surpass a stroke of the valve core, therefore not only is the fact that the valve core can move in place under the impact of the impacting block ensured, but also the valve core is prevented from being damaged due to excessively large stress, and the aim that the valve core can automatically reset and center when the valve core is not impacted can be achieved.
Description
Technical field
The utility model 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
The purpose of this utility model 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 purpose of this utility model realizes by 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, big locking nut.
Described spool driven unit is made up 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 made up 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 be by being threaded, described guide sleeve with spool between be provided with the adjustment pad;
Described bracket component is made up 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 big locking nut locking, the other end is fixedlyed connected by screw with supporting frame; Described baffle-plate-sleeve is fixedlyed connected with axle by screw on axle.
Described selector valve is three-position four-way valve, is made up 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.
The utility model bidirectional overtaking stroke 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 big 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 utility model and automatically reset motor valve.
Fig. 2 is the partial sectional view of selector valve in the utility model.
Fig. 3 is the structural representation of spool driven unit in the utility model.
Fig. 4 is the structural representation of valve core reset assembly in the utility model.
Fig. 5 is the structural representation of the utility model medium-height trestle assembly.
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. big 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 utility model 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 made up 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 made up 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 and axle 34 be by being threaded, and is provided with adjustment pad 33 between described guide sleeve 30 and the axle 34.
Described bracket component 10 is made up 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 big locking nut 11 lockings, and the other end and supporting frame 36 are fixedlyed connected by screw; Described baffle plate 9 is enclosed within on the axle 34, fixedlys connected with axle 34 by screw.
As shown in Figure 2, described selector valve 2 is three-position four-way valve, is made up 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 for baffle plate 9, baffle plate 9 drove axle 34 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 for baffle plate 9, baffle plate 9 drives axle 34 and moves 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.
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 made up 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 made up 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 be by being threaded, described guide sleeve with spool between be provided with the adjustment pad;
Described bracket component is made up 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 big locking nut locking, the other end is fixedlyed connected by screw with supporting frame; Described baffle-plate-sleeve is fixedlyed 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 made up 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 |
|---|---|---|---|
| CN 201220707634 CN203051276U (en) | 2012-12-20 | 2012-12-20 | Engine-driven valve with functions of bi-direction stroke surpassing and automatic reset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220707634 CN203051276U (en) | 2012-12-20 | 2012-12-20 | Engine-driven valve with functions of bi-direction stroke surpassing and automatic reset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051276U true CN203051276U (en) | 2013-07-10 |
Family
ID=48734234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220707634 Withdrawn - After Issue CN203051276U (en) | 2012-12-20 | 2012-12-20 | Engine-driven valve with functions of bi-direction stroke surpassing and automatic reset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016433A (en) * | 2012-12-20 | 2013-04-03 | 中国船舶重工集团公司第七一九研究所 | Two-way over-travel and automatic-resetting mechanically-actuated valve |
-
2012
- 2012-12-20 CN CN 201220707634 patent/CN203051276U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016433A (en) * | 2012-12-20 | 2013-04-03 | 中国船舶重工集团公司第七一九研究所 | Two-way over-travel and automatic-resetting mechanically-actuated valve |
| CN103016433B (en) * | 2012-12-20 | 2015-04-29 | 中国船舶重工集团公司第七一九研究所 | Two-way over-travel and automatic-resetting mechanically-actuated valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20150429 |