CN104455657B - Hydraulic electromagnetic change valve - Google Patents
Hydraulic electromagnetic change valve Download PDFInfo
- Publication number
- CN104455657B CN104455657B CN201410738298.6A CN201410738298A CN104455657B CN 104455657 B CN104455657 B CN 104455657B CN 201410738298 A CN201410738298 A CN 201410738298A CN 104455657 B CN104455657 B CN 104455657B
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- CN
- China
- Prior art keywords
- spool
- armature
- push rod
- magnetic sleeve
- electromagnetic change
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to a kind of hydraulic electromagnetic change valve, aim to solve the problem that the armature in current hydraulicdirectional control valve occurs the technical problem of stuck phenomenon at work, the magnetic sleeve of spool connection corresponding with described valve body that including valve body, is correspondingly arranged in this valve body and be correspondingly arranged in the armature in described magnetic sleeve internal cavities, push rod；Described armature, push rod are two independent parts；Described push rod is correspondingly arranged in described magnetic sleeve, and one end of this push rod connects for corresponding with the end of described spool, and its other end is for being connected with described armature；Via the movement to spool direction of the described armature, described push rod is promoted to promote the movement of described spool, invention to have advantage stable, that armature stuck phenomenon problem can be avoided to occur.
Description
Technical field
The present invention relates to a kind of electromagnetic valve, particularly relate to a kind of hydraulic electromagnetic change valve.
Background technology
Hydraulic buttery valve refers in hydraulic drive for controlling the element of fluid pressure flow and direction.Wherein control pressure is referred to as pressure-control valve, and control the flow control valve that is referred to as of flow, control break-make and the flow direction is referred to as directional control valve.Pressure-control valve is divided into overflow valve air relief valve and sequence valve by purposes.Flow control valve is to utilize the choke area between regulation spool and valve body and local resistance produced by it to be adjusted flow, thus controls the movement velocity of executive component.And hydraulic electromagnetic change valve is to use more a kind of electromagnetic valve in current Industry Control, it is at control controlling flow direction, the aspects such as pressure have important left and right, the support wanted for the development heavyweight vehicle of enterprise, but hydraulicdirectional control valve in use there is also problem, most often the most easily there is stuck phenomenon in armature, and occur that the reason of this kind of phenomenon annoyings technical staff always, the most effectively solved, because the generation of stuck phenomenon once occurs, the operation of whole system will be directly affected, simultaneously, from the point of view of some Precision Machining enterprises, the stable operation of solenoid directional control valve, to directly decide the height of its product quality, therefore, the stuck phenomenon of armature is urgently to be resolved hurrily, to meet the demand that enterprise produces.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, adapt to reality need, it is provided that a kind of hydraulic electromagnetic change valve, the technical problem of stuck phenomenon occurs at work solving the armature in current hydraulicdirectional control valve.
In order to realize the purpose of invention, the technical solution adopted in the present invention is:
A kind of hydraulic electromagnetic change valve of design, the magnetic sleeve of spool connection corresponding with described valve body including valve body, being correspondingly arranged in this valve body and be correspondingly arranged in the armature in described magnetic sleeve internal cavities, push rod；Described armature, push rod are two independent parts；Described push rod is correspondingly arranged in described magnetic sleeve, and one end of this push rod connects for corresponding with the end of described spool, and its other end is for being connected with described armature；Via the movement to spool direction of the described armature, described push rod is promoted to promote the movement of described spool.
Further, described armature is cylindrical structure；And on the outer wall of described armature, the pilot groove at least one connection armature both ends is offered along its axial direction；Or in described armature, offer the through hole at least one connection armature both ends.
Further, described pilot groove is two, and these two pilot grooves are about the axisymmetrical of armature；Described through hole is two, and about the axisymmetrical of be set forth in armature；
Further, it is additionally provided with reaction spring in described magnetic sleeve, and also it being correspondingly arranged on limited step in described magnetic sleeve, one end of described reaction spring is corresponding with described limited step to be contacted, and its other end contacts via spool banking stop is corresponding with described spool；Reaction spring through extruding applies opposite force to described spool banking stop, and then promotes the movement of described spool.
Further, described spool banking stop is placed on the end of described spool, and when reaction spring is extruded by spool, the end of described spool is stretched in the inside of described reaction spring.
Further, the diameter of described spool banking stop is identical with the outer end diameter of described magnetic sleeve.
Further, being additionally provided with pad between described spool banking stop and described reaction spring, the corresponding end of described reaction spring applies opposite force via described pad to described spool banking stop.
Further, be additionally provided with between reaction spring installation cavity and described internal cavities its cross-sectional diameter less than both diameters, for balancing the through hole of described push rod, and the length of this through hole is more than 1/3 length of described push rod.
Further, it is additionally provided with the hand push rod installing port of connection corresponding with described internal cavities in the end of the magnetic sleeve away from valve body end, and is additionally provided with hand push rod in described hand push rod installing port.
Further, coil correspondence is installed on described magnetic sleeve, and is additionally provided with fastening nut outside the hand push rod installing port of described magnetic sleeve end, and described fastening nut is connected with the end thread of magnetic sleeve.
The beneficial effects of the present invention is:
1. the present inventor finds in using for many years, electromagnetic valve easily occurs its basic reason of stuck phenomenon to be, and push rod of the prior art is taked with armature fixing to be connected (being all i.e. to be welded on armature the end of push rod in prior art) mode and cause, therefore, the present inventor has eventually found the method solving this problem by test of many times, the i.e. connection by push rod Yu armature of the present invention is designed as two independent parts, and use the mode of movable contact, i.e. push rod is not directly connected to armature, but two independent individualities, the generation of armature stuck phenomenon can be solved by the design, improve the operation stability of this reversal valve.
2. the present invention designs pilot groove or through hole further on armature, while armature moves left and right, can reduce back pressure when armature moves by this pilot groove or through hole so that this armature is more easily moved, mobile light and flexible.
3. the present invention also has other beneficial effects, will propose in the lump with corresponding structure in an embodiment.
Accompanying drawing explanation
Fig. 1 is the hydraulic electromagnetic change valve primary structure schematic diagram of the present invention；
Fig. 2 is the magnetic sleeve internal part primary structure schematic diagram in the present invention；
Fig. 3 is one of the armature primary structure in present invention schematic perspective view；
Fig. 4 is two schematic perspective views of the armature primary structure in the present invention；
In figure: 1. spool；2. spool banking stop；3. pad；4. magnetic sleeve；5. reaction spring；6. armature；7. push rod；8. outside hand push rod installing port；9. hand push rod；10. internal cavities；11. through holes；12. reaction spring installation cavitys；14,15. pilot groove；16. valve bodies；17. coils；18. fastening nuts；19. limited steps.
Detailed description of the invention
With embodiment, invention is further illustrated below in conjunction with the accompanying drawings:
Embodiment 1: a kind of hydraulic electromagnetic change valve, sees Fig. 1, Fig. 2, Fig. 3；The magnetic sleeve 4 of spool 1 connection corresponding with valve body 16 that it includes valve body 16, be correspondingly arranged in this valve body and the armature 6 in being correspondingly arranged in the internal cavities 10 of magnetic sleeve 4, push rod 7；Also being correspondingly arranged on limited step 19 in being additionally provided with reaction spring 5, and magnetic sleeve 4 in magnetic sleeve 4, one end of described reaction spring 5 is corresponding with described limited step 19 to be contacted, and its other end contacts via spool banking stop 2 is corresponding with described spool 1；The diameter of described spool banking stop 2 is identical with the external diameter of the end of described magnetic sleeve 4.Between described spool banking stop 2 and described reaction spring 5, it is additionally provided with pad 3 simultaneously, and described spool banking stop 2 is placed on the end of described spool 1, and when reaction spring is extruded by spool, the end of described spool is stretched in the inside of described reaction spring.The corresponding end of described reaction spring 5 connects via described pad 3 is corresponding with described spool banking stop 2, the generation of inconsistent phenomenon between reaction spring and spool banking stop can be avoided so that the transmission power between reaction spring and spool is transmitted along its axial direction via this pad；The opposite force of described reaction spring 5 can be put on spool by pad, spool banking stop 2 with this.Most important innovation and creation point is, the armature 6 in the present invention, push rod 7 are two independent parts；Described push rod 7 is correspondingly arranged in described magnetic sleeve 4, and one end of this push rod 7 contacts connection for corresponding with the end of described spool 1, and its other end is for contacting connection with described armature 6；This armature 6 is cylindrical structure；And on the outer wall of armature 6, the pilot groove 14 at two connection armature 6 both ends is offered along its axial direction；Described two pilot grooves 14,15 are about the axisymmetrical of armature 6.Back pressure when armature moves can be reduced so that this armature is more easily moved, mobile light and flexible, stable by this pilot groove；Be additionally provided with between reaction spring installation cavity 12 and described internal cavities 10 its cross-sectional diameter less than both diameters, for balancing the through hole 11 of described push rod 7, the internal diameter of this through hole 11 can be slightly larger than the diameter of 1 mm-3 mm of push rod 7, and the length of this through hole 11 is more than 1/3 length of described push rod 7；By this through hole particularly when this reversal valve horizontal level is placed, push rod can be balanced so that it is the two ends of push rod preferably contact with armature, spool.Further, it is additionally provided with the hand push rod installing port of connection corresponding with described internal cavities 10 in the end of the magnetic sleeve 4 away from valve body 16 end, and is also correspondingly arranged on hand push rod 9 in described hand push rod installing port.And coil 17 correspondence of this reversal valve is installed on described magnetic sleeve 4, and 8 being additionally provided with fastening nut 18 outside the hand push rod installing port of described magnetic sleeve 4 end, described fastening nut is connected with the end thread of described magnetic sleeve.As it is shown in figure 1, be provided with the structure of the present invention in the valve body both sides of this reversal valve, at work, on the right side of armature 6() to spool side 1 to movement, by promoting described push rod 7 and then promoting the movement of described spool 1；And when needing that spool is back to initial position, the reaction spring through extruding on the left of valve body and and with the left end applying opposite force to spool banking stop, spool that coordinates of the armature in left side, and then promote the movement of described spool 1.
Embodiment 2, as shown in Figures 1 to 4, part same as in Example 1 repeats no more, and difference is, described armature is also cylindrical structure, and offers the through hole 20 at two connection armature 6 both ends in armature 6；This two through hole is about the axisymmetrical of be set forth in armature 6.
Although, what embodiments of the invention were announced is preferred embodiment, but is not limited thereto; those of ordinary skill in the art, easily according to above-described embodiment, understands the spirit of invention; and make different amplifications and change, but as long as without departing from the spirit of invention, all in the protection domain of invention.
Claims (10)
1. a hydraulic electromagnetic change valve, the magnetic sleeve (4) of spool (1) connection corresponding with described valve body (16) including valve body (16), being correspondingly arranged in this valve body and the armature (6) being correspondingly arranged in described magnetic sleeve (4) internal cavities (10), push rod (7)；Its feature in: described armature (6), push rod (7) are two independent parts；Described push rod (7) is correspondingly arranged in described magnetic sleeve (4), and one end of this push rod (7) connects for corresponding with the end of described spool (1), and its other end is for being connected with described armature (6)；Via the described armature (6) movement to spool (1) direction, described push rod (7) is promoted to promote the movement of described spool (1)；
Reaction spring (5) it is additionally provided with in described magnetic sleeve (4), and also it is correspondingly arranged on limited step (19) in described magnetic sleeve (4), one end of described reaction spring (5) is corresponding with described limited step (19) to be contacted, and its other end is corresponding with the end of described spool (1) to be contacted.
2. hydraulic electromagnetic change valve as claimed in claim 1, it is characterised in that: described armature (6) is cylindrical structure；And on the outer wall of described armature (6), the pilot groove (14) at least one connection armature (6) both ends is offered along its axial direction；Or in described armature (6), offer the through hole (20) at least one connection armature (6) both ends.
3. hydraulic electromagnetic change valve as claimed in claim 2, it is characterised in that: described pilot groove (14,15) is two, and these two pilot grooves (14,15) are about the axisymmetrical of described armature (6)；Described through hole (20) is two, and about the axisymmetrical of described armature (6).
4. hydraulic electromagnetic change valve as claimed in claim 1, it is characterised in that: the other end of described reaction spring (5) contacts via spool banking stop (2) is corresponding with described spool (1)；Reaction spring (5) through extruding applies opposite force to described spool banking stop (2), and then promotes the movement of described spool (1).
5. hydraulic electromagnetic change valve as claimed in claim 4, it is characterised in that: described spool banking stop (2) is placed on the end of described spool (1), and when reaction spring is extruded by spool, the inside of described reaction spring is stretched in the end of described spool.
6. hydraulic electromagnetic change valve as claimed in claim 4, it is characterised in that: the diameter of described spool banking stop (2) is identical with the outer end diameter of described magnetic sleeve (4).
7. hydraulic electromagnetic change valve as claimed in claim 6, it is characterized in that: be additionally provided with pad (3) between described spool banking stop (2) and described reaction spring (5), the corresponding end of described reaction spring (5) applies opposite force via described pad (3) to described spool banking stop (2).
8. hydraulic electromagnetic change valve as claimed in claim 6, it is characterized in that: be additionally provided with between reaction spring installation cavity (12) and described internal cavities (10) its cross-sectional diameter less than both diameters, for balancing the through hole (11) of described push rod (7), and the length of this through hole (11) is more than 1/3 length of described push rod (7).
9. hydraulic electromagnetic change valve as claimed in claim 1, it is characterized in that: be additionally provided with the hand push rod installing port of connection corresponding with described internal cavities (10) in the end of the magnetic sleeve (4) held away from valve body (16), and in described hand push rod installing port, be also correspondingly arranged on hand push rod (9).
10. hydraulic electromagnetic change valve as claimed in claim 1, it is characterized in that: coil (17) correspondence is installed on described magnetic sleeve (4), and (8) are additionally provided with fastening nut (18) outside the hand push rod installing port of described magnetic sleeve (4) end, described fastening nut is connected with the end thread of magnetic sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410738298.6A CN104455657B (en) | 2014-12-08 | 2014-12-08 | Hydraulic electromagnetic change valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410738298.6A CN104455657B (en) | 2014-12-08 | 2014-12-08 | Hydraulic electromagnetic change valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104455657A CN104455657A (en) | 2015-03-25 |
| CN104455657B true CN104455657B (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410738298.6A Active CN104455657B (en) | 2014-12-08 | 2014-12-08 | Hydraulic electromagnetic change valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN104455657B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321939A (en) * | 2016-10-10 | 2017-01-11 | 合肥协力液压科技有限公司 | Electromagnetic reversing valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201568622U (en) * | 2009-12-02 | 2010-09-01 | 贵州红林机械有限公司 | Fuel cock vale with double coils |
| CN202434283U (en) * | 2011-12-28 | 2012-09-12 | 宁波市鄞州通力液压电器厂 | Explosion-proof electromagnet |
| CN202469165U (en) * | 2012-03-23 | 2012-10-03 | 常德中联重科液压有限公司 | Solenoid valve |
| CN102878130A (en) * | 2011-07-11 | 2013-01-16 | 上海立新液压有限公司 | Electrically modulated proportional throttle control valve |
| CN203202300U (en) * | 2013-04-23 | 2013-09-18 | 河南航天液压气动技术有限公司 | Electromagnetic reversing valve |
| CN204267841U (en) * | 2014-12-08 | 2015-04-15 | 江西省唯欣高科精密五金有限公司 | Hydraulic electromagnetic change valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006042215B4 (en) * | 2006-09-08 | 2018-05-30 | Schaeffler Technologies AG & Co. KG | Electromagnetic actuator |
-
2014
- 2014-12-08 CN CN201410738298.6A patent/CN104455657B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201568622U (en) * | 2009-12-02 | 2010-09-01 | 贵州红林机械有限公司 | Fuel cock vale with double coils |
| CN102878130A (en) * | 2011-07-11 | 2013-01-16 | 上海立新液压有限公司 | Electrically modulated proportional throttle control valve |
| CN202434283U (en) * | 2011-12-28 | 2012-09-12 | 宁波市鄞州通力液压电器厂 | Explosion-proof electromagnet |
| CN202469165U (en) * | 2012-03-23 | 2012-10-03 | 常德中联重科液压有限公司 | Solenoid valve |
| CN203202300U (en) * | 2013-04-23 | 2013-09-18 | 河南航天液压气动技术有限公司 | Electromagnetic reversing valve |
| CN204267841U (en) * | 2014-12-08 | 2015-04-15 | 江西省唯欣高科精密五金有限公司 | Hydraulic electromagnetic change valve |
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| Publication number | Publication date |
|---|---|
| CN104455657A (en) | 2015-03-25 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 343200 Ji'an city of Jiangxi province Anfu Industrial Zone industrial base hydraulic electromechanical Yu Yuan Road No. 8 Applicant after: JIANGXI VXIN HIGH-TECH PRECISION HARDWARE CO., LTD. Address before: 343200 Ji'an city of Jiangxi province Anfu Industrial Zone industrial base hydraulic electromechanical Yu Yuan Road No. 8 Applicant before: JIANGXI WEIXIN HI-TECH PRECISION HARDWARE CO., LTD. |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 343200 No. 8 Yuyuan North Road, Hydraulic Mechanical and Electrical Industry Base, Anfu Industrial Zone, Ji'an City, Jiangxi Province Patentee after: Jiangxi Weixin Gaoke Oil Pressure Technology Co., Ltd. Address before: 343200 No. 8 Yuyuan North Road, Hydraulic Mechanical and Electrical Industry Base, Anfu Industrial Zone, Ji'an City, Jiangxi Province Patentee before: JIANGXI VXIN HIGH-TECH PRECISION HARDWARE CO., LTD. |