CN108223886A - A kind of proportional flow control valve and its Electromagnetic Control mechanism - Google Patents
A kind of proportional flow control valve and its Electromagnetic Control mechanism Download PDFInfo
- Publication number
- CN108223886A CN108223886A CN201710750138.7A CN201710750138A CN108223886A CN 108223886 A CN108223886 A CN 108223886A CN 201710750138 A CN201710750138 A CN 201710750138A CN 108223886 A CN108223886 A CN 108223886A
- Authority
- CN
- China
- Prior art keywords
- armature
- sleeve
- valve
- proportional flow
- flow control
- 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.)
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Classifications
-
- 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
- F16K31/0644—One-way valve
- F16K31/0668—Sliding valves
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/14—Control of fluid pressure with auxiliary non-electric power
- G05D16/16—Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid
- G05D16/166—Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid using pistons within the main valve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to a kind of proportional flow control valve and its Electromagnetic Control mechanisms, Electromagnetic Control mechanism, including the sleeve extended above and below axis and it is arranged on the armature in sleeve and moved back and forth, electromagnet is provided with outside sleeve, lubricant coating cloth is provided between the sleeve and armature, by increasing by one layer of smearing fiber cloth between armature and sleeve, can effectively reduce friction therebetween, difficulty of processing and production cost are reduced, improves the service life of product.
Description
Technical field
The present invention relates to a kind of proportional flow control valve and its Electromagnetic Control mechanisms.
Background technology
Proportional flow control valve is the automation foundation original paper for controlling fluid, for needing to carry out the hydraulic pressure system of flow control
In system, the structure of proportional flow control valve currently on the market generally comprises valve body, and valve body has to be connected by inlet with liquid outlet
The circulation passage of formation, spool is coated in valve body, and valve core upper sleeve is equipped with the work for being moved to spool offer in circulation passage
Control mechanism firmly, wherein spool can control the size of circulation road during being acted in circulation passage, and then control
The size of flow.General control mechanism is Electromagnetic Control mechanism, including for the armature and control with spool transmission cooperation
The electromagnet of armature movement, armature guiding is threaded onto in sleeve, and electromagnet is located at the outside of sleeve, electric by obtaining for electromagnet
Dead electricity controls reciprocating movement of the armature in sleeve, so as to fulfill the control to the spool in valve body, final flow of realizing
Control.And in the prior art, it with being continuously increased for proportional flow control valve service life, constantly wears, holds between armature and sleeve
Easily occur armature clamping stagnation, work lag bad phenomenon in addition to will appear armature stuck, the problem of valve invalidation, and current
Solution is to reduce frictional force by improving the method for the machining accuracy of armature and sleeve, needs grinder sequence, increases production
The production cycle of product increases the production cost of product, and the dry friction to solve armature and the part of sleeve.
Invention content
The purpose of the present invention is to provide a kind of proportional flow control valve, to solve between armature and sleeve of the prior art
It uses for a long time and leads to the problem of abrasion；The present invention also aims to provide a kind of electromagnetic controller of the proportional flow control valve
Structure.
To achieve the above object, the technical solution of Electromagnetic Control mechanism of the present invention is：
Electromagnetic Control mechanism including the sleeve extended above and below axis and is arranged on the armature in sleeve and moved back and forth, outside sleeve
Electromagnet is provided with, lubricant coating cloth is provided between sleeve and armature.
The axial length of the lubricant coating cloth is not less than the shuttle path length of armature.Prevent armature from not covering locally
Concentrated wear caused by lid coating cloth.
Defining flange is provided in the sleeve, the armature is set to the upside of defining flange.Armature can be supported
Setting.
The upper end of the sleeve is covered with for end cap, and the oriented armature of top pressure provides downwards between the end cap and armature
The compression spring of active force.Remain downward top pressure in the active force on defining flange.
A kind of technical solution of proportional flow control valve of the present invention is：
A kind of proportional flow control valve including valve body and the spool being arranged in valve body, further includes Electromagnetic Control mechanism, electromagnetic controller
Structure includes the sleeve extended above and below axis and is arranged on the armature that sleeve is interior and moves back and forth, and sleeve is provided with electromagnet outside, institute
It states armature with spool transmission to coordinate, the valve body has the circulation passage for being connected and being formed by inlet and outlet, the spool
The size of regulating flow quantity channel in moving process, is provided with lubricant coating cloth between the sleeve and armature.
The axial length of the lubricant coating cloth is not less than the shuttle path length of armature.Prevent armature from not covering locally
Concentrated wear caused by lid coating cloth.
Defining flange is provided in the sleeve, the armature is set to the upside of defining flange.Armature can be supported
Setting.
The upper end of the sleeve is covered with for end cap, and the oriented armature of top pressure provides downwards between the end cap and armature
The compression spring of active force.Remain downward top pressure in the active force on defining flange.
The adjusting channel being connected in parallel in communicating passage is additionally provided in the valve body, is provided in the adjusting channel unidirectional
Valve.Outlet pressure in control circulation, prevents hypertonia, ensures stability of flow.
The check valve is conical surface check valve.Sealing performance is more preferable.
The beneficial effects of the invention are as follows：Compared with the prior art, Electromagnetic Control mechanism according to the present invention, by holding in the mouth
Between iron and sleeve increase by one layer smearing fiber cloth, can effectively reduce friction therebetween, reduce difficulty of processing and
Production cost improves the service life of product.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment one of the proportional flow control valve of the present invention.
Fig. 2 is the structure diagram of the embodiment two of the proportional flow control valve of the present invention.
Specific embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The embodiment one of the proportional flow control valve of the present invention：As shown in Figure 1, the proportional flow control valve is applied to the flow to liquid
Control including valve body 1, is provided with the inlet 2 extended up and down, liquid outlet 23 and the mainstream of spacing side by side setting on valve body 1
Road, wherein sprue are located at 1 center of valve body, and inlet 2 and liquid outlet 23 are located at the both sides of sprue, inlet 2 respectively
The through hole 7 of left and right extension is provided on valve wall between sprue, inlet 2 is made to connect with sprue by through hole 7
It is logical, main valve housing 3 is set in sprue, the bottom in main valve housing 3 is provided with spring base 4, peripheral surface and the main valve housing 3 of spring base 4
Corresponding position madial wall between for clearance fit, the main spring 5 extended up and down is installed, position in main valve housing 3 on spring base 4
Flap 6 is installed in the upper end of main spring 5, the upper end of flap 6 is equipped with auxiliary spring 10, spool 11 is provided in sprue, on
The auxiliary spring 10 stated is located at the lower end of spool 11 and top pressure is in the inside of spool 11.
The upper end of above-mentioned main valve housing 3 is connected with the secondary valve pocket 24 consistent with the radial dimension of main valve housing 3, secondary valve pocket 24 with
Cooperation is sealed between sprue, and the liquid feed valve sets of holes 8 connected with above-mentioned through hole 7 are provided on the side wall of secondary valve pocket 24, into
Liquid in liquid mouth 2 is entered by valve pocket hole in secondary valve pocket 24, spool 11 upper and lower guiding movement, corresponding valve in secondary valve pocket 24
It is clearance fit between core 11 and secondary valve pocket 24.The spool that can be connected with corresponding valve pocket hole is provided on the side wall of spool 11
Hole 9, spool bore 9 are connected with sprue, by the up and down action of spool 11, realize junction between spool bore 9 and valve pocket hole
The variation of size, and then realize to the control into flow quantity.
The liquid valve sets of holes 21 for being connected with liquid outlet 23 are provided on the side wall of main valve housing 3, it is corresponding in secondary valve pocket
Opposite side on 24 side wall positioned at liquid feed valve sets of holes 8 is provided with adjustment hole 18.Connect between the liquid outlet 23 and adjustment hole 18
It is connected with the adjusting channel connected with sprue.It adjusts in channel and is provided with check valve 19, prevent outlet pressure excessively high, ensure flow
Stablize, the valve rod of check valve 19 installs about 20, is located in the lower end of valve rod 20 and adjusts setting pressure ring 22 in channel, valve rod 20
Lower end top pressure is in the upper end of pressure ring 22, and the lower end of valve rod 20 is taper surface.
The upper end of valve body 1 is provided with valve deck 17, by screw fixed-link between valve deck 17 and valve body 1, valve deck 17 it is upper
End chain is connected to electromagnetic controller structure.And it is both provided with sealing ring between Electromagnetic Control mechanism and valve deck 17, valve deck 17 and valve body 1.
Electromagnetic Control mechanism includes being arranged on the sleeve 16 of the upper end of valve deck 17, and sleeve 16 is communicated with sprue, is oriented to and wears in sleeve 16
Equipped with armature 15, for the lower end top pressure of armature 15 in the upper end of spool 11, the upper end of sleeve 16 is provided with gland nut 13, gland spiral shell
The compression spring 14 for providing downward active force to armature 15 is provided between mother 13 and armature 15.The outside of sleeve 16 is provided with
Electromagnet 12.
When electromagnet 12 is powered, armature 15 is overcome the precompression of compression spring 14 and 15 institute of armature by upward electromagnetic attraction
The frictional force received moves upwards, and at this moment armature 15 gradually weakens the downward jacking force of spool 11, spool 11 main spring 5,
It is moved up under the action of the pre-jacking force of auxiliary spring 10, so that between the spool bore 9 and liquid feed valve sets of holes 8 on spool 11
Size constantly changes, the circulation flow in regulation valve body 1.It is connected simultaneously as adjusting channel with liquid outlet 23, then works as liquid outlet
When pressure at 23 is higher than setting value, check valve 19 is open-top, and fluid is returned by adjusting channel, the pressure reduction of liquid outlet 23,
During internal and external pressure balance, check valve 19 is closed, and is always ensured that the flow value at liquid outlet 23 meets the flow value of default.
When electromagnet 12 obtains different electric signals, armature 15 is by upward electromagnetic attraction according to the continuous change of electric signal
Change so that the stress of armature 15 constantly changes, and armature 15 can constantly move in sleeve 16, and the flow in sprue is carried out
Continuous control.In order to reduce the friction between armature 15 and sleeve 16, ensure the flexibility that armature 15 moves, prevent armature 15
Clamping stagnation, increases a layer coated fiber cloth 25 between armature 15 and sleeve 16, and coated fiber cloth 25 has anti-attrition effect and forms
Lubricant coating cloth, the movement for enabling to armature 15 is more smooth, the effective service life for improving valve.In the present embodiment,
In order to ensure will not to be worn behind armature 15, the support size of the upper and lower directions of the coated fiber cloth 25 is greater than armature
The physical length of 15 motion paths.
The embodiment two of the proportional flow control valve of the present invention：As shown in Fig. 2, coated fiber cloth can be fixed on to armature circumferential surface
On, the length of coated fiber cloth is consistent with the axial dimension of armature.
In other embodiments, Electromagnetic Control mechanism can be applied on other kinds of valve element.
Claims (10)
1. Electromagnetic Control mechanism including the sleeve extended above and below axis and is arranged on the armature in sleeve and moved back and forth, sleeve
It is provided with electromagnet outside, it is characterised in that：Lubricant coating cloth is provided between the sleeve and armature.
2. Electromagnetic Control mechanism according to claim 1, it is characterised in that：The axial length of the lubricant fiber cloth is not small
In the shuttle path length of armature.
3. Electromagnetic Control mechanism according to claim 1, it is characterised in that：Defining flange is provided in the sleeve,
The armature is set to the upside of defining flange.
4. Electromagnetic Control mechanism according to claim 1, it is characterised in that：The upper end of the sleeve is covered with to hold
Lid, the oriented armature of top pressure provides the compression spring of downward active force between the end cap and armature.
5. a kind of proportional flow control valve including valve body and the spool being arranged in valve body, further includes Electromagnetic Control mechanism, Electromagnetic Control
Mechanism includes the sleeve extended above and below axis and is arranged on the armature that sleeve is interior and moves back and forth, and sleeve is provided with electromagnet outside,
The armature coordinates with spool transmission, and the valve body has the circulation passage for being connected and being formed by inlet and outlet, the valve
The size of core regulating flow quantity channel in moving process, it is characterised in that：Lubrication is provided between the sleeve and armature to apply
Layer cloth.
6. proportional flow control valve according to claim 5, it is characterised in that：The axial length of the lubricant coating cloth is not less than
The shuttle path length of armature.
7. proportional flow control valve according to claim 5, it is characterised in that：Defining flange is provided in the sleeve, institute
State the upside that armature is set to defining flange.
8. proportional flow control valve according to claim 5, it is characterised in that：The upper end of the sleeve is covered with for end cap,
The oriented armature of top pressure provides the compression spring of downward active force between the end cap and armature.
9. according to any one of them proportional flow control valve of claim 5 ~ 8, it is characterised in that：It is additionally provided with simultaneously in the valve body
The adjusting channel being coupled in communicating passage, described adjust in channel are provided with check valve.
10. proportional flow control valve according to claim 9, it is characterised in that：The check valve is conical surface check valve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017106692245 | 2017-08-08 | ||
| CN201710669224 | 2017-08-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108223886A true CN108223886A (en) | 2018-06-29 |
| CN108223886B CN108223886B (en) | 2019-11-08 |
Family
ID=62654402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710750138.7A Active CN108223886B (en) | 2017-08-08 | 2017-08-28 | A kind of proportional flow control valve and its Electromagnetic Control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108223886B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529640A (en) * | 2019-08-02 | 2019-12-03 | 中国航发北京航科发动机控制***科技有限公司 | It is a kind of can adverse current constant pressure valve |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4108080A1 (en) * | 1991-03-13 | 1992-09-17 | Bosch Gmbh Robert | PRESSURE CONTROL VALVE |
| JP2004251294A (en) * | 2003-02-18 | 2004-09-09 | Kayaba Ind Co Ltd | Proportional solenoid relief valve |
| CN1967000A (en) * | 2005-11-14 | 2007-05-23 | 罗伯特·博世有限公司 | Friction system and valve provided with the system for controlling fluid |
| CN101034612A (en) * | 2007-01-26 | 2007-09-12 | 韩伍林 | No-oil lubricant dual-push electromagnetic iron |
| CN201568490U (en) * | 2009-11-06 | 2010-09-01 | 十堰方圆大地工贸有限公司 | Carbon fiber friction-layer brake drum |
| CN202067625U (en) * | 2010-12-31 | 2011-12-07 | 中国航天科技集团公司第六研究院第十一研究所 | Proportional electromagnet |
| CN102686924A (en) * | 2010-01-12 | 2012-09-19 | 博格华纳公司 | Solenoid with spring plug |
| CN104776260A (en) * | 2013-10-15 | 2015-07-15 | 大陆汽车***公司 | Normally low solenoid valve assembly |
| CN105172516A (en) * | 2015-10-29 | 2015-12-23 | 力帆实业(集团)股份有限公司 | Transverse stabilization bar mounting structure used for vehicle |
| CN105972249A (en) * | 2016-06-30 | 2016-09-28 | 简式国际汽车设计（北京）有限公司 | Normally open solenoid valve |
-
2017
- 2017-08-28 CN CN201710750138.7A patent/CN108223886B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4108080A1 (en) * | 1991-03-13 | 1992-09-17 | Bosch Gmbh Robert | PRESSURE CONTROL VALVE |
| JP2004251294A (en) * | 2003-02-18 | 2004-09-09 | Kayaba Ind Co Ltd | Proportional solenoid relief valve |
| CN1967000A (en) * | 2005-11-14 | 2007-05-23 | 罗伯特·博世有限公司 | Friction system and valve provided with the system for controlling fluid |
| CN101034612A (en) * | 2007-01-26 | 2007-09-12 | 韩伍林 | No-oil lubricant dual-push electromagnetic iron |
| CN201568490U (en) * | 2009-11-06 | 2010-09-01 | 十堰方圆大地工贸有限公司 | Carbon fiber friction-layer brake drum |
| CN102686924A (en) * | 2010-01-12 | 2012-09-19 | 博格华纳公司 | Solenoid with spring plug |
| CN202067625U (en) * | 2010-12-31 | 2011-12-07 | 中国航天科技集团公司第六研究院第十一研究所 | Proportional electromagnet |
| CN104776260A (en) * | 2013-10-15 | 2015-07-15 | 大陆汽车***公司 | Normally low solenoid valve assembly |
| CN105172516A (en) * | 2015-10-29 | 2015-12-23 | 力帆实业(集团)股份有限公司 | Transverse stabilization bar mounting structure used for vehicle |
| CN105972249A (en) * | 2016-06-30 | 2016-09-28 | 简式国际汽车设计（北京）有限公司 | Normally open solenoid valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529640A (en) * | 2019-08-02 | 2019-12-03 | 中国航发北京航科发动机控制***科技有限公司 | It is a kind of can adverse current constant pressure valve |
| CN110529640B (en) * | 2019-08-02 | 2021-10-26 | 中国航发北京航科发动机控制***科技有限公司 | Constant pressure valve capable of reversing flow |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108223886B (en) | 2019-11-08 |
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