CN108223886B - 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
- CN108223886B CN108223886B CN201710750138.7A CN201710750138A CN108223886B CN 108223886 B CN108223886 B CN 108223886B CN 201710750138 A CN201710750138 A CN 201710750138A CN 108223886 B CN108223886 B CN 108223886B
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- China
- Prior art keywords
- armature
- sleeve
- valve
- flow control
- proportional flow
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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
-
- 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
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 the armature in sleeve and moved back and forth is set, electromagnet is provided with outside sleeve, it is provided with lubricant coating cloth between the sleeve and armature, by increasing by one layer of smearing fiber cloth between armature and sleeve, can effectively reduce friction between the two, difficulty of processing and production cost are reduced, the service life of product is improved.
Description
Technical field
The present invention relates to a kind of proportional flow control valve and its Electromagnetic Control mechanisms.
Background technique
Proportional flow control valve is the automation foundation original part 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, which 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 for providing the work mobile in circulation passage to spool
Control mechanism firmly can control the size of circulation road, and then control during wherein spool acts in circulation passage
The size of flow.General control mechanism is Electromagnetic Control mechanism comprising for the armature and control with spool transmission cooperation
The electromagnet of armature movement, armature guiding is threaded onto sleeve, and electromagnet is located at the outside of sleeve, electric by obtaining for electromagnet
Power loss controls reciprocating movement of the armature in sleeve, to realize the control to the intracorporal spool of valve, final flow of realizing
Control.And in the prior art, it constantly wears, holds with being continuously increased for proportional flow control valve service life, between armature and sleeve
Easily there is the bad phenomenon of armature clamping stagnation, work lag, or even to will appear armature stuck, the problem of valve invalidation, and current
Solution is to reduce frictional force by the method for improving the machining accuracy of armature and sleeve, needs grinder sequence, increases production
The production cycle of product increases the production cost of product, and to solve the dry friction of the part of armature and sleeve.
Summary of the invention
The purpose of the present invention is to provide a kind of proportional flow control valves, to solve between armature and sleeve in the prior art
It uses for a long time and leads to the problem of abrasion；The object of the invention is also to provide a kind of electromagnetic controllers of proportional flow control valve
Structure.
To achieve the above object, the technical solution of Electromagnetic Control mechanism of the present invention is:
Including the sleeve extended above and below axis and the armature in sleeve and moved back and forth, set is arranged in Electromagnetic Control mechanism
Cylinder is outer to be provided with electromagnet, and 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.
It is provided with defining flange 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 oriented armature is pressed between the end cap and armature and is provided downwards
The pressure spring of active force.Remain that press is in the active force on defining flange downwards.
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 setting are in the intracorporal spool of valve, further include Electromagnetic Control mechanism, electromagnetism control
Mechanism processed includes the sleeve that axis extends up and down and the armature in sleeve and moved back and forth is arranged in, and is provided with electromagnetism outside sleeve
Iron, the armature and spool transmission cooperate, and the valve body, which has, is connected to the circulation passage formed by inlet and outlet, described
The size in spool 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.
It is provided with defining flange 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 oriented armature is pressed between the end cap and armature and is provided downwards
The pressure spring of active force.Remain that press is in the active force on defining flange downwards.
It is additionally provided with the adjusting channel being connected in parallel in communicating passage in the valve body, is provided in the adjusting channel unidirectional
Valve.Outlet pressure in control circulation, prevents hypertonia, guarantees stability of flow.
The check valve is conical surface check valve.Sealing performance is more preferable.
The beneficial effects of the present invention are: 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 of smearings fiber cloth, can effectively reduce friction between the two, reduce difficulty of processing with
Production cost improves the service life of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment one of proportional flow control valve of the invention.
Fig. 2 is the structural schematic diagram of the embodiment two of proportional flow control valve of the invention.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The embodiment one of proportional flow control valve of the invention: as shown in Figure 1, the proportional flow control valve is applied to the flow to liquid
Control comprising 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 is located at 1 center of valve body, and inlet 2 and liquid outlet 23 are located at the two sides of sprue, inlet 2
It is provided with the through hole 7 that left and right extends on valve wall between sprue, connects inlet 2 and 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, the outer peripheral surface and main valve housing 3 of spring base 4
Corresponding position inner sidewall between be clearance fit, the main spring 5 extended up and down, position in main valve housing 3 are installed 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 presses in the inside of spool 11.
The upper end of above-mentioned main valve housing 3 be connected with the consistent secondary valve pocket 24 of the radial dimension of main valve housing 3, secondary valve pocket 24 with
Cooperation is sealed between sprue, and is provided with the liquid feed valve sets of holes 8 being connected to above-mentioned through hole 7 on the side wall of secondary valve pocket 24, into
Liquid in liquid mouth 2 is entered in secondary valve pocket 24 by valve pocket hole, 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 to corresponding valve pocket hole is provided on the side wall of spool 11
Hole 9, spool bore 9 are connected to 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 the control to feed liquor flow.
The liquid valve sets of holes 21 for being connected to 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 being connected to sprue.It adjusts in channel and is provided with check valve 19, prevent outlet pressure excessively high, guarantee flow
To stablize, about 20 valve rod of check valve 19 installs, and it is located in the lower end of valve rod 20 and adjusts setting pressure ring 22 in channel, valve rod 20
Lower end press is in the upper end of pressure ring 22, and the lower end of valve rod 20 is tapered 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 sealing ring is provided between Electromagnetic Control mechanism and valve deck 17, valve deck 17 and valve body 1.
Electromagnetic Control mechanism includes the sleeve 16 that the upper end of valve deck 17 is arranged in, and sleeve 16 is communicated with sprue, and guiding is worn in sleeve 16
Equipped with armature 15, the lower end of armature 15 is pressed in the upper end of spool 11, and the upper end of sleeve 16 is provided with gland nut 13, gland spiral shell
It is provided between mother 13 and armature 15 for providing the pressure spring 14 of downward active force to armature 15.The outside of sleeve 16 is provided with
Electromagnet 12.
When electromagnet 12 is powered, armature 15 is overcome precompression and 15 institute of armature of pressure spring 14 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 on spool 11 and liquid feed valve sets of holes 8
Size constantly changes, the circulating flow in regulation valve body 1.It is connected to 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 opened, and oil liquid is returned by adjusting channel, the pressure reduction of liquid outlet 23,
When 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, armature 15 can constantly move in sleeve 16, carry out to the flow in sprue
Continuous control.In order to reduce the friction between armature 15 and sleeve 16, guarantees 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 constitutes
Lubricant coating cloth enables to the movement of armature 15 more smooth, the effective service life for improving valve.In the present embodiment,
In order to guarantee will not to be worn behind armature 15, the support size of the up and down direction of the coated fiber cloth 25 is greater than armature
The physical length of 15 motion paths.
The embodiment two of proportional flow control valve of the invention: as shown in Fig. 2, coated fiber cloth can be fixed on to armature circumferential surface
On, the length of coated fiber cloth and the axial dimension of armature are consistent.
In other embodiments, Electromagnetic Control mechanism can be applied on other kinds of valve element.
Claims (6)
1. including the sleeve extended above and below axis and the armature in sleeve and moved back and forth, sleeve is arranged in Electromagnetic Control mechanism
It is provided with electromagnet outside, it is characterised in that: lubricant coating cloth is provided between the sleeve and armature；It is provided in the sleeve
Defining flange, the armature are set to the upside of defining flange；The upper end of the sleeve is covered with for end cap, the end cap with
Oriented armature is pressed between armature, and the pressure spring of downward active force is provided；The lower end of the armature is pressed in the valve of proportional flow control valve
The upper end of core.
2. Electromagnetic Control mechanism according to claim 1, it is characterised in that: the axial length of the lubricant coating cloth is not small
In the shuttle path length of armature.
3. a kind of proportional flow control valve, including valve body and setting are in the intracorporal spool of valve, further include Electromagnetic Control mechanism, Electromagnetic Control
Mechanism includes the sleeve that axis extends up and down and the armature in sleeve and moved back and forth is arranged in, and is provided with electromagnet outside sleeve,
The armature and spool transmission cooperate, and the valve body, which has, is connected to the circulation passage formed, the valve by inlet and outlet
The size in core regulating flow quantity channel in moving process, it is characterised in that: be provided with lubrication between the sleeve and armature and apply
Layer cloth；Defining flange is provided in the sleeve, the armature is set to the upside of defining flange；The upper end of the sleeve is provide with
Have for end cap, oriented armature is pressed between the end cap and armature, the pressure spring of downward active force is provided；Under the armature
End press is in the upper end of the spool of proportional flow control valve.
4. proportional flow control valve according to claim 3, it is characterised in that: the axial length of the lubricant coating cloth is not less than
The shuttle path length of armature.
5. according to described in any item proportional flow control valves of claim 3 ~ 4, it is characterised in that: be additionally provided with simultaneously in the valve body
It is coupled to the adjusting channel in communicating passage, is provided with check valve in the adjusting channel.
6. proportional flow control valve according to claim 5, it is characterised in that: the check valve is conical surface check valve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669224 | 2017-08-08 | ||
| CN2017106692245 | 2017-08-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108223886A CN108223886A (en) | 2018-06-29 |
| CN108223886B true CN108223886B (en) | 2019-11-08 |
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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 |
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| Country | Link |
|---|---|
| CN (1) | CN108223886B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529640B (en) * | 2019-08-02 | 2021-10-26 | 中国航发北京航科发动机控制系统科技有限公司 | Constant pressure valve capable of reversing flow |
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 | 大陆汽车系统公司 | 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 | 大陆汽车系统公司 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108223886A (en) | 2018-06-29 |
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