CN203940078U - A kind of isolated form piston guide type electromagnetic valve - Google Patents
A kind of isolated form piston guide type electromagnetic valve Download PDFInfo
- Publication number
- CN203940078U CN203940078U CN201420268071.5U CN201420268071U CN203940078U CN 203940078 U CN203940078 U CN 203940078U CN 201420268071 U CN201420268071 U CN 201420268071U CN 203940078 U CN203940078 U CN 203940078U
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- cavity
- piston
- valve body
- guide
- hole
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Abstract
The utility model relates to valve technology field, specifically a kind of isolated form piston guide type electromagnetic valve.This isolated form piston guide type electromagnetic valve comprises main valve body, auxiliary valve body, spool, piston assembly, guide valve blocks, determine core and moving core, described auxiliary valve body is located at described main valve body top, described main valve body is provided with the first cavity and the second cavity, described auxiliary valve body is provided with the 3rd cavity, described the first cavity and the second cavity are located at described the 3rd cavity below, and be connected with described the 3rd cavity respectively, described piston assembly is located in described the 3rd cavity, and move up and down along the 3rd cavity wall, described guide valve blocks is located on described auxiliary valve body and is positioned at described piston assembly top, described guide valve blocks is provided with the 4th cavity and first-class through hole, described first-class through hole is connected with described the 4th cavity, the sidewall of described guide valve blocks is provided with second through hole, described second through hole is connected with described the 4th cavity.
Description
Technical field
The utility model relates to valve technology field, specifically a kind of isolated form piston guide type electromagnetic valve.
Background technique
For realizing the automatic or telecontrol of valve, often adopt solenoid valve to realize.With solenoid valve, universaling electromagnetic valve on the market has a lot of limitations, there is following defect: 1, withstand voltage lower, general < 16bar, 2, heatproof is not high, 100 DEG C of general <, 3, pollution resistance is poor, and spool is immersed in medium, easily by dielectric corrosion, therefore, the whole service life of solenoid valve is not long.
Model utility content
The utility model provide a kind of compact structure, cost low, make magnetic conductive metal part be isolated in the isolated form piston guide type electromagnetic valve outside medium.
The utility model is achieved through the following technical solutions:
A kind of isolated form piston guide type electromagnetic valve, comprise main valve body, auxiliary valve body, spool, piston assembly, guide valve blocks, determine core and moving core, described auxiliary valve body is located at described main valve body top, described main valve body is provided with the first cavity and the second cavity, described auxiliary valve body is provided with the 3rd cavity, described the first cavity and the second cavity are located at described the 3rd cavity below, and be connected with described the 3rd cavity respectively, described piston assembly is located in described the 3rd cavity, and move up and down along the 3rd cavity wall, described guide valve blocks is located on described auxiliary valve body and is positioned at described piston assembly top, described guide valve blocks is provided with the 4th cavity and first-class through hole, described first-class through hole is connected with described the 4th cavity, the sidewall of described guide valve blocks is provided with second through hole, described second through hole is connected with described the 4th cavity, described the 4th inside cavity is located in described spool lower end, upper end is connected with described moving core lower end through described guide valve blocks, describedly determine core and be located at described moving core top, and describedly determine to be provided with the first Compress Spring between core and moving core, describedly determine core and moving core outside is provided with coil.
Described piston assembly comprises piston, piston gland and the first seal ring, described piston gland center is provided with installation through hole, insert in described installation through hole described guide valve blocks lower end, described piston sleeve is contained in described piston gland top, described piston is provided with the 3rd opening, described the first seal ring is located between described piston and piston gland, and inconsistent with described main valve body.
Between the outer side wall of described piston and the madial wall of described auxiliary valve body, be provided with dust ring.
Between the madial wall of the outer side wall of described guide valve blocks and installation through hole, be provided with the second seal ring.
Be provided with a circle boss around the upper end-hole of described first-class through hole, the lower end of described spool is provided with the first sealing gasket, and described the first sealing gasket lower surface compresses described boss.
The inner side that the outside of described moving core is positioned at described coil is provided with one every magnet.
Between described piston upper surface and described auxiliary valve body, be positioned at described the 3rd inside cavity and be provided with the second Compress Spring.
Between the outer side wall of described spool and described guide valve blocks, be provided with an O type circle, between described main valve body and described auxiliary valve body, be provided with the 2nd O type circle.
Described guide valve blocks is connected with described auxiliary valve body by screw thread, and is provided with the second sealing gasket between described guide valve blocks and described auxiliary valve body.
Describedly determine core and be connected every magnet with described by screw thread, described coil is fixed by locking nut.
The beneficial effect that the utility model brings is:
As long as in the utility model, described isolated form piston guide type electromagnetic valve has a little following: 1, the first-class through hole latus rectum on guide valve blocks is large, can reach 4mm, is difficult for blocking up, and action is fast, starts pressure reduction 0.5bar; 2, the moving core of electromagnet portion and the first Compress Spring are isolated in outside medium, and corrosion resistance is fine, and then have extended the working life of solenoid valve; 3, described moving core adopts electrical pure iron to make, and electromagnetic force is large, withstand voltage height, and maximum can reach 40bar; 4, described the first seal ring, the second seal ring, an O type circle, the 2nd O type circle, the first sealing gasket and the second sealing gasket can adopt multiple sealed material, can heatproof degree between-50 DEG C～+ 200 DEG C, be applicable to various media; 5, volume is little, available 24VDC, 220VAC power supply; 6, arranging of described dust ring can be improved pollution resistance.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the structural representation of isolated form piston guide type electromagnetic valve described in the utility model.
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
The label that in figure, component names is corresponding is as follows:
1, main valve body; 2, auxiliary valve body; 3, spool; 4, guide valve blocks; 5, determine core; 6, moving core; 7, the first cavity; 8, the second cavity; 9, the 3rd cavity; 10, the 4th cavity; 11, first-class through hole; 12, second through hole; 13, the first Compress Spring; 14, coil; 15, piston; 16, piston gland; 17, the first seal ring; 18, through hole is installed; 19, the 3rd opening; 20, dust ring; 21, the second seal ring; 22, boss; 23, the first sealing gasket; 24, every magnet; 25, the second Compress Spring; 26, an O type circle; 27, the 2nd O type circle; 28, the second sealing gasket; 29, locking nut.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As the embodiment of isolated form piston guide type electromagnetic valve described in the utility model, as depicted in figs. 1 and 2, comprise main valve body 1, auxiliary valve body 2, spool 3, piston assembly, guide valve blocks 4, determine core 5 and moving core 6, described auxiliary valve body 2 is located at described main valve body 1 top, described main valve body 1 is provided with the first cavity 7 and the second cavity 8, described auxiliary valve body 2 is provided with the 3rd cavity 9, described the first cavity 7 and the second cavity 8 are located at described the 3rd cavity 9 belows, and be connected with described the 3rd cavity 9 respectively, described piston assembly is located in described the 3rd cavity 9, and move up and down along the 3rd cavity 9 sidewalls, described guide valve blocks 4 is located on described auxiliary valve body 2 and is positioned at described piston assembly top, described guide valve blocks 4 is provided with the 4th cavity 10 and first-class through hole 11, described first-class through hole 11 is connected with described the 4th cavity 10, the sidewall of described guide valve blocks 4 is provided with second through hole 12, described second through hole 12 is connected with described the 4th cavity 10, described the 4th cavity 10 inside are located in described spool 3 lower ends, upper end is connected with described moving core 6 lower ends through described guide valve blocks 4, describedly determine core 5 and be located at described moving core 6 tops, and describedly determine to be provided with between core 5 and moving core 6 the first Compress Spring 13, describedly determine core 5 and moving core 6 outsides are provided with coil 14.
In the present embodiment, described piston assembly comprises piston 15, piston gland 16 and the first seal ring 17, described piston gland 16 centers are provided with installs through hole 18, insert in described installation through hole 18 described guide valve blocks 4 lower ends, described piston 15 is sleeved on described piston gland 16 tops, described piston 15 is provided with the 3rd opening 19, and described the first seal ring 17 is located between described piston 15 and piston gland 16, and inconsistent with described main valve body 1.Described the first seal ring 17 can not flow in the second cavity 8 medium in the first cavity 7 and the 3rd cavity 9.
In the present embodiment, between the outer side wall of described piston 15 and the madial wall of described auxiliary valve body 2, be provided with twice dust ring 20.Moving up and down of piston can be effectively protected in arranging of described dust ring 20, improves pollution resistance.
In the present embodiment, between the outer side wall of described guide valve blocks 4 and the madial wall of installation through hole 18, be provided with the second seal ring 21.Described the second seal ring 21 can not flow in the second cavity 8 medium in the first cavity 7 and the 3rd cavity 9.
In the present embodiment, be provided with a circle boss 22 around the upper end-hole of described first-class through hole 11, the lower end of described spool 3 is provided with the first sealing gasket 23, and described the first sealing gasket 23 lower surfaces compress described boss 22.
In the present embodiment, the inner side that the outside of described moving core 6 is positioned at described coil 14 is provided with one every magnet 24.
In the present embodiment, between described piston 15 upper surfaces and described auxiliary valve body 2, be positioned at described the 3rd cavity 9 inside and be provided with the second Compress Spring 25.Described the second Compress Spring 25 is for resetting piston assembly.
In the present embodiment, between the outer side wall of described spool 3 and described guide valve blocks 4, be provided with an O type circle 26, between described main valve body 1 and described auxiliary valve body 2, be provided with the 2nd O type circle 27.A described O type circle 26 ensures that the medium in the 3rd cavity body is not leaked to moving core 6 and the first Compress Spring 13 places, has ensured the working life of moving core 6 and the first Compress Spring 13; Described the 2nd O type circle 27 ensures that the medium in the first cavity 7 and the 3rd cavity 9 is not leaked to outside.
In the present embodiment, described guide valve blocks 4 is connected with described auxiliary valve body 2 by screw thread, and is provided with the second sealing gasket 28 between described guide valve blocks 4 and described auxiliary valve body 2.
In the present embodiment, describedly determine core 5 and be connected every magnet 24 with described by screw thread, described coil 14 is fixing by locking nut 29.
Medium flows to right-hand member by left end, flow to the second cavity 8 from the first cavity 7 through the 3rd cavity 9, the first sealing gasket 23 of described spool 3 bottoms is pressed on the boss 22 of described guide valve blocks 4 under the effect of the first Compress Spring 13 elastic force, in the time of guide valve blocks 4 no electric circuit, be pressed on main valve seat at the second Compress Spring 25 and the first cavity 7 and the 3rd cavity 9 pressure-acting lower piston assemblies, before the first cavity 7 and the 3rd cavity 9 chambeies and the second cavity 8, cut off.Describedly determine core 5 for fixed magnetic pole, in the time that coil 14 is switched on, produce magnetic field around, moving core 6 is determined core 5 and is attracted to move upward, and the first sealing gasket 23 leaves guide valve blocks 4 convex platforms 22, and guide valve blocks 4 is opened, medium flows to the second cavity 8 from the 3rd cavity 9, piston assembly moves upward under the promotion of medium power, and the first cavity 7 and the second cavity 8 are communicated with, and open main passage.
Certainly, between the outer side wall of described piston and the madial wall of described auxiliary valve body, also can be provided with together with or three roads or four road dust rings.So, also all within the utility model protection domain, repeat no longer one by one here.
Claims (10)
1. an isolated form piston guide type electromagnetic valve, it is characterized in that comprising main valve body, auxiliary valve body, spool, piston assembly, guide valve blocks, determine core and moving core, described auxiliary valve body is located at described main valve body top, described main valve body is provided with the first cavity and the second cavity, described auxiliary valve body is provided with the 3rd cavity, described the first cavity and the second cavity are located at described the 3rd cavity below, and be connected with described the 3rd cavity respectively, described piston assembly is located in described the 3rd cavity, and move up and down along the 3rd cavity wall, described guide valve blocks is located on described auxiliary valve body and is positioned at described piston assembly top, described guide valve blocks is provided with the 4th cavity and first-class through hole, described first-class through hole is connected with described the 4th cavity, the sidewall of described guide valve blocks is provided with second through hole, described second through hole is connected with described the 4th cavity, described the 4th inside cavity is located in described spool lower end, upper end is connected with described moving core lower end through described guide valve blocks, describedly determine core and be located at described moving core top, and describedly determine to be provided with the first Compress Spring between core and moving core, describedly determine core and moving core outside is provided with coil.
2. isolated form piston guide type electromagnetic valve as claimed in claim 1, it is characterized in that described piston assembly comprises piston, piston gland and the first seal ring, described piston gland center is provided with installation through hole, insert in described installation through hole described guide valve blocks lower end, described piston sleeve is contained in described piston gland top, described piston is provided with the 3rd opening, and described the first seal ring is located between described piston and piston gland, and inconsistent with described main valve body.
3. isolated form piston guide type electromagnetic valve as claimed in claim 2, is characterized in that being provided with dust ring between the outer side wall of described piston and the madial wall of described auxiliary valve body.
4. isolated form piston guide type electromagnetic valve as claimed in claim 3, is characterized in that being provided with the second seal ring between the outer side wall of described guide valve blocks and the madial wall of installation through hole.
5. isolated form piston guide type electromagnetic valve as claimed in claim 4, is characterized in that being provided with a circle boss around the upper end-hole of described first-class through hole, and the lower end of described spool is provided with the first sealing gasket, and described the first sealing gasket lower surface compresses described boss.
6. isolated form piston guide type electromagnetic valve as claimed in claim 5, the inner side that the outside that it is characterized in that described moving core is positioned at described coil is provided with one every magnet.
7. isolated form piston guide type electromagnetic valve as claimed in claim 6, is characterized in that between described piston upper surface and described auxiliary valve body, being positioned at described the 3rd inside cavity is provided with the second Compress Spring.
8. isolated form piston guide type electromagnetic valve as claimed in claim 7, is characterized in that being provided with an O type circle between the outer side wall of described spool and described guide valve blocks, is provided with the 2nd O type circle between described main valve body and described auxiliary valve body.
9. isolated form piston guide type electromagnetic valve as claimed in claim 8, is characterized in that described guide valve blocks is connected with described auxiliary valve body by screw thread, and is provided with the second sealing gasket between described guide valve blocks and described auxiliary valve body.
10. isolated form piston guide type electromagnetic valve as claimed in claim 9, is characterized in that describedly determining core and being connected every magnet with described by screw thread, and described coil is fixed by locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420268071.5U CN203940078U (en) | 2014-05-12 | 2014-05-12 | A kind of isolated form piston guide type electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420268071.5U CN203940078U (en) | 2014-05-12 | 2014-05-12 | A kind of isolated form piston guide type electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203940078U true CN203940078U (en) | 2014-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420268071.5U Expired - Fee Related CN203940078U (en) | 2014-05-12 | 2014-05-12 | A kind of isolated form piston guide type electromagnetic valve |
Country Status (1)
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| CN (1) | CN203940078U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333204A (en) * | 2015-10-26 | 2016-02-17 | 无锡市圣科不锈钢气动自控阀门厂 | High-pressure electromagnetic valve |
| CN106015706A (en) * | 2016-07-31 | 2016-10-12 | 浙江盈亿机械股份有限公司 | Diaphragm type pilot control solenoid valve |
| CN107152552A (en) * | 2017-07-07 | 2017-09-12 | 鞍山电磁阀有限责任公司 | Multilevel action magnetic valve and pipe-line system |
| CN109424382A (en) * | 2017-09-04 | 2019-03-05 | 北京汽车动力总成有限公司 | A kind of dynamic air gate control device and automobile |
-
2014
- 2014-05-12 CN CN201420268071.5U patent/CN203940078U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333204A (en) * | 2015-10-26 | 2016-02-17 | 无锡市圣科不锈钢气动自控阀门厂 | High-pressure electromagnetic valve |
| CN106015706A (en) * | 2016-07-31 | 2016-10-12 | 浙江盈亿机械股份有限公司 | Diaphragm type pilot control solenoid valve |
| CN107152552A (en) * | 2017-07-07 | 2017-09-12 | 鞍山电磁阀有限责任公司 | Multilevel action magnetic valve and pipe-line system |
| CN107152552B (en) * | 2017-07-07 | 2023-09-22 | 鞍山电磁阀有限责任公司 | Multistage action electromagnetic valve and pipeline system |
| CN109424382A (en) * | 2017-09-04 | 2019-03-05 | 北京汽车动力总成有限公司 | A kind of dynamic air gate control device and automobile |
| CN109424382B (en) * | 2017-09-04 | 2023-08-22 | 北京汽车动力总成有限公司 | Power valve control device and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: EAGLE FLUID TECHNOLOGY (JIAXING) CO., LTD. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20160512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |