CN102330834B - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
- Publication number
- CN102330834B CN102330834B CN201110263645.0A CN201110263645A CN102330834B CN 102330834 B CN102330834 B CN 102330834B CN 201110263645 A CN201110263645 A CN 201110263645A CN 102330834 B CN102330834 B CN 102330834B
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- Prior art keywords
- valve
- iron core
- piston
- hole
- groove
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 69
- 230000003068 static Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005755 formation reactions Methods 0.000 description 2
- 238000000034 methods Methods 0.000 description 2
- 239000007787 solids Substances 0.000 description 1
Abstract
Description
Technical field
The invention belongs to valve field, especially relevant with a kind of solenoid valve.
Background technique
Application number is that 200810096924.0 application for a patent for invention file discloses a kind of solenoid valve, this a kind of solenoid valve comprise there is the valve seat of solid of rotation inner chamber, piston that can axial motion in the inner chamber of this valve seat, the pilot sleeve being connected with described valve seat one end, coordinate static iron core with described pilot sleeve, moving iron core and the moving iron core in described guide sleeve bobbin and the spring between static iron core that can axially reciprocating in described pilot sleeve, described valve seat is provided with a primary valve, described static iron core is fixedly connected with described pilot sleeve, it is hatch frame that described pilot sleeve pipe is used for fixedly one end of static iron core, the other end has the limit bottom surface that makes piston location, described valve seat underpart has outer pipe interface, its sidewall is also provided with inlet tube interface, piston comprises upper end portion and underpart, underpart diameter is less than upper end portion, lower-end cap is encapsulated in the primary valve of valve seat, the upper end of upper end portion has a groove, in this groove, offer the first boss, on described the first boss, be provided with piston valve port, the central position of this piston is an axial hole, on the bottom surface of described upper end portion groove, along the axial direction of described piston, offer at least one equalizing orifice, the diameter of moving iron core lower end is less than the diameter of described moving iron core main body, the leading portion of described underpart has a holding part, in this holding part, be connected with the valve body of the sealing that matches with described piston valve port.
When such solenoid valve uses, inlet tube input high-pressure medium, at closed electromagnetic valve state, piston lower end cap seal is in the primary valve of valve seat, the body cap of the underpart of moving iron core is encapsulated in piston valve port, high-pressure medium enters described groove by the gap between equalizing orifice and piston and valve seat, the pressure balance that piston two ends are subject to, in the time of need to opening solenoid valve, on moving iron core, move and make the valve body of underpart throw off piston valve port, high-pressure medium in groove enters outer pipe by the axial hole of the central position of piston, when axial hole cross-section area is greater than equalizing orifice cross-section area and interval area sum, pressure in groove can reduce, on piston, move disengagement primary valve, while needing shut electromagnetic valve, moving iron core moves down, the body cap of the underpart of moving iron core is encapsulated in piston valve port and piston is produced to downforce, high-pressure medium enters described groove by equalizing orifice, accelerate piston and move down speed.The axial hole sectional area of the central position of piston is larger, the coil power of moving on the moving iron core of driving will be larger, and power consumption will be larger, owing to there being equalizing orifice, axial hole sectional area is still larger, so the power consumption of a kind of solenoid valve of this type or relatively large.And it is expensive that the processing of equalizing orifice also can increase processing.
Summary of the invention
Object of the present invention is just to provide a kind of power consumption and the lower solenoid valve of cost.
For this reason, the present invention is by the following technical solutions: a kind of solenoid valve, comprise main valve and pilot valve, main valve comprise have inner chamber valve seat, be placed in this valve base cavity and can do the piston of axial motion, on valve seat, be provided with the input hole, delivery outlet and the pilot valve mounting hole that are all communicated with inner chamber, pilot valve mounting hole site is in the upper end of valve base cavity, its center line and piston movement direction in the same way, delivery outlet aperture be positioned at valve base cavity bottom surface and with piston lower end surface over against, piston comprises upper end portion and underpart, and underpart diameter is less than upper end portion, and underpart is covered in delivery outlet aperture, and upper end portion is provided with a groove, the piston valve opening that bottom portion of groove setting is communicated with valve seat delivery outlet, described pilot valve comprises pilot sleeve, static iron core, moving iron core, spring and coil, pilot sleeve is installed on pilot valve mounting hole, mounting coil is in pilot sleeve outer surface, pilot sleeve lower end oral area is provided with spacing back-up ring, spacing back-up ring center is through hole, static iron core is fixedly installed in pilot sleeve inner chamber upper end, moving iron core is located in pilot sleeve inner chamber lower end, the diameter of moving iron core lower end is less than the diameter of moving iron core main body, end, moving iron core lower end is provided with spool, moving iron core lower end is through the central through bore of spacing back-up ring, the spool sealing that matches with described piston valve opening, moving iron core is provided with axial step through hole, moving iron core lower end is provided with the transverse holes connecting with described ladder hole, make high-pressure medium can be input to pilot sleeve inner chamber between moving iron core and static iron core, described ladder hole epimere diameter is greater than hypomere, described spring is arranged at ladder hole epimere and connects with static iron core, it is characterized in that: described spacing back-up ring lower end surface is provided with cross groove, when described piston upper-end surface and the laminating of spacing back-up ring lower end surface, the gap of energy formation between piston outer side surface and valve base cavity wall be the medium channel to the groove of piston upper-end surface by the cross groove spacing back-up ring lower end surface, high-pressure medium enters described groove by cross groove, when shut electromagnetic valve, accelerate piston and move down speed.
When solenoid valve uses, input hole connects supplying tube input high-pressure medium, delivery outlet connects output tube, at closed electromagnetic valve state, piston lower end cap seal is in the delivery outlet aperture of valve seat, the cartridge cover of the underpart of moving iron core is encapsulated in piston valve opening aperture, high-pressure medium enters described groove by the gap between piston and valve seat, the pressure balance that piston two ends are subject to, in the time of need to opening solenoid valve, on the moving iron core of coil drive, move and make the spool of underpart throw off piston valve port, high-pressure medium in groove enters output tube by the piston valve opening of piston, when piston valve opening cross-section area is greater than the interval area between piston and valve seat, pressure in groove can reduce, on piston, move and throw off delivery outlet aperture, while needing shut electromagnetic valve, moving iron core moves down, the cartridge cover of the underpart of moving iron core is encapsulated in piston valve port and piston is produced to downforce, high-pressure medium enters the groove on described piston by the gap between piston and valve seat and described cross groove, accelerate piston and move down speed.
As to technique scheme supplement and perfect, the present invention also comprises following technical characteristics.
The spool of described end, moving iron core lower end is a steel ball, and end, moving iron core lower end has a holding cavity, and steel ball is installed in this holding cavity.
Use the present invention can reach following beneficial effect: the present invention is by arranging cross groove as high-pressure medium passage in spacing back-up ring lower end surface, reduced from supplying tube to the medium channel area the groove of piston upper-end surface, also just can reduce the sectional area of piston valve opening, in coil power one, regularly can under higher medium pressure environment, open pilot valve, improve the valve ability of opening; At medium pressure one regularly, can reduce coil power, realize energy-saving effect.
Accompanying drawing explanation
Fig. 1 is section of structure of the present invention.
Fig. 2 is the limiting block coil structures figure in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
As shown in Figure 1 and Figure 2, the present invention includes main valve and pilot valve, main valve comprises valve seat 15 and the piston 12 with inner chamber, piston 12 is placed in the inner chamber of valve seat 15 and can does axial motion, on valve seat 15, be provided with the input hole 14, delivery outlet 16 and the pilot valve mounting hole that are all communicated with inner chamber, pilot valve mounting hole site is in the upper end of valve base cavity, its center line and piston movement direction in the same way, the aperture of delivery outlet 16 be positioned at valve base cavity bottom surface and with piston end surface over against, piston 12 comprises upper end portion and underpart, and underpart diameter is less than upper end portion, and underpart is covered in the aperture of delivery outlet 16, and upper end portion is provided with a groove 11, the piston valve opening 13 that bottom portion of groove setting is communicated with valve seat delivery outlet 16, described pilot valve comprises pilot sleeve 2, static iron core 1, moving iron core 4, spring 5 and coil 3, pilot sleeve 2 is installed on pilot valve mounting hole, coil 3 is set in pilot sleeve 2 outer surfaces, pilot sleeve 2 lower end oral areas are provided with spacing back-up ring 8, spacing back-up ring 8 centers are through hole, static iron core 1 is fixedly installed in pilot sleeve 2 inner chamber upper ends, moving iron core 4 is located in pilot sleeve 2 inner chamber lower ends, the diameter of moving iron core 4 lower ends is less than the diameter of moving iron core 4 main bodys, moving iron core 4 ends, lower end have a holding cavity, in this holding cavity, be installed with steel ball spool 10, moving iron core lower end is through the central through bore of spacing back-up ring 8, spool 10 sealing that matches with piston valve opening 13, moving iron core 4 is provided with axial step through hole 7, moving iron core lower end is provided with the transverse holes 6 connecting with ladder hole 7, make high-pressure medium can be input to the pilot sleeve inner chamber between moving iron core and static iron core, ladder hole 7 epimere diameters are greater than hypomere, spring 5 is arranged at ladder hole epimere and connects with static iron core 1, spacing back-up ring 8 lower end surfaces are provided with cross groove 9, when piston upper-end surface and the laminating of spacing individual pen lower end surface, the gap of energy formation between piston outer side surface and valve base cavity wall be the medium channel to the groove of piston upper-end surface by the cross groove spacing back-up ring lower end surface, and high-pressure medium enters described groove by cross groove.
As another kind of mode of execution; the upper-end surface of piston 12 also can arrange cross groove; it is a kind of equivalent manners; should be considered as the protection domain of this patent; during piston upper-end surface and spacing back-up ring lower end surface laminating, can form gap between piston outer side surface and valve base cavity wall and pass through cross groove piston upper-end surface to the medium channel of the groove of piston upper-end surface
When solenoid valve uses, input hole connects supplying tube input high-pressure medium, delivery outlet connects output tube, at closed electromagnetic valve state, piston lower end cap seal is in the delivery outlet aperture of valve seat, the cartridge cover of moving iron core underpart is encapsulated in piston valve opening aperture, high-pressure medium enters described groove by the gap between piston and valve seat, the pressure balance that piston two ends are subject to, in the time of need to opening solenoid valve, on the moving iron core of coil drive, move and make the spool of underpart throw off piston valve port, high-pressure medium in groove enters output tube by the piston valve opening of piston, when piston valve opening cross-section area is greater than the interval area between piston and valve seat, pressure in groove can reduce, on piston, move and throw off delivery outlet aperture, while needing shut electromagnetic valve, moving iron core moves down, the cartridge cover of moving iron core underpart is encapsulated in piston valve port and piston is produced to downforce, high-pressure medium enters the groove on described piston by the gap between piston and valve seat and described cross groove, accelerate piston and move down speed.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110263645.0A CN102330834B (en) | 2011-09-07 | 2011-09-07 | Electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110263645.0A CN102330834B (en) | 2011-09-07 | 2011-09-07 | Electromagnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102330834A CN102330834A (en) | 2012-01-25 |
| CN102330834B true CN102330834B (en) | 2014-08-20 |
Family
ID=45482723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110263645.0A CN102330834B (en) | 2011-09-07 | 2011-09-07 | Electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102330834B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359600A (en) * | 2011-09-30 | 2012-02-22 | 河南航天压力元件有限公司 | Pilot electromagnetic valve |
| CN103322205B (en) * | 2012-03-21 | 2017-11-10 | 浙江三花制冷集团有限公司 | A kind of bidirectional electromagnetic valve |
| CN103322273B (en) * | 2012-03-21 | 2017-02-22 | 浙江三花股份有限公司 | Bidirectional electromagnetic valve |
| CN103062477A (en) * | 2012-12-06 | 2013-04-24 | 西安航空动力控制科技有限公司 | High-pressure and dual-redundancy switch solenoid valve |
| CN103438262B (en) * | 2013-09-02 | 2016-04-13 | 杭州神林电子有限公司 | A kind of switching valve |
| CN104265973B (en) * | 2014-08-10 | 2016-09-14 | 安徽省宁国新鼎汽车零部件有限公司 | A kind of directly operated type electromagnetic switch valve |
| EP2998626B1 (en) | 2014-09-19 | 2017-08-16 | Danfoss A/S | Solenoid valve |
| CN105673867A (en) * | 2016-04-13 | 2016-06-15 | 湖南凯恩利液压机械制造有限公司 | Electromagnetic valve for water and mechanical device |
| JP6698251B2 (en) * | 2016-05-19 | 2020-05-27 | Smc株式会社 | solenoid valve |
| CN106671952A (en) * | 2016-12-23 | 2017-05-17 | 北汽福田汽车股份有限公司 | Brake and vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19646835A1 (en) * | 1996-11-13 | 1998-05-14 | Teves Gmbh Alfred | Electromagnetic valve arrangement |
| CN101576173A (en) * | 2008-05-07 | 2009-11-11 | 浙江三花股份有限公司 | Electromagnetic valve |
| JP6213358B2 (en) * | 2014-04-15 | 2017-10-18 | トヨタ自動車株式会社 | Hydraulic control device for vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06213358A (en) * | 1993-01-21 | 1994-08-02 | Aisin Seiki Co Ltd | Solenoid valve |
| CN202182240U (en) * | 2011-09-07 | 2012-04-04 | 浙江中宝自控元件有限公司 | Electromagnetic valve |
-
2011
- 2011-09-07 CN CN201110263645.0A patent/CN102330834B/en active IP Right Grant
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19646835A1 (en) * | 1996-11-13 | 1998-05-14 | Teves Gmbh Alfred | Electromagnetic valve arrangement |
| CN101576173A (en) * | 2008-05-07 | 2009-11-11 | 浙江三花股份有限公司 | Electromagnetic valve |
| JP6213358B2 (en) * | 2014-04-15 | 2017-10-18 | トヨタ自動車株式会社 | Hydraulic control device for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102330834A (en) | 2012-01-25 |
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