CN203614758U - Anti-corrosion normally-closed electromagnetic valve - Google Patents
Anti-corrosion normally-closed electromagnetic valve Download PDFInfo
- Publication number
- CN203614758U CN203614758U CN201320669576.8U CN201320669576U CN203614758U CN 203614758 U CN203614758 U CN 203614758U CN 201320669576 U CN201320669576 U CN 201320669576U CN 203614758 U CN203614758 U CN 203614758U
- Authority
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- China
- Prior art keywords
- main shaft
- base
- movable part
- magnetic core
- valve pocket
- 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.)
- Expired - Lifetime
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- 238000005260 corrosion Methods 0.000 title abstract description 9
- 229920001971 elastomer Polymers 0.000 claims abstract description 22
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 6
- 239000010935 stainless steel Substances 0.000 claims abstract description 6
- 230000002421 anti-septic effect Effects 0.000 claims description 16
- 229920002943 EPDM rubber Polymers 0.000 claims description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses an anti-corrosion normally-closed electromagnetic valve, and belongs to electromagnetic valves. The anti-corrosion normally-closed electromagnetic valve comprises a base, a main shaft, a magnetic core, a movable piece, a spring and a coil assembly, wherein the base is made of stainless steel, and is provided with a valve cavity and an air inlet channel and an air outlet channel which are communicated with the valve cavity; a disk-shaped anti-corrosion rubber gasket for isolating the valve cavity from the main shaft is arranged between the main shaft and the base, and comprises a cylindrical part, an annular ring part and a wave part positioned between the cylindrical part and the annular ring part; an inverted buckle is arranged on the circumferential wall of the cylindrical part; the cylindrical part is inserted into the bottom of the movable piece and is connected with the movable piece through the inverted buckle; the cylindrical part is pressed against an inlet channel in the valve cavity; the annular ring part is pressed between the main shaft on the edge of the valve cavity and the base; a ventilation hole communicated with the inner cavity of the main shaft is formed in the circumferential wall of the main shaft. By adopting the anti-corrosion normally-closed electromagnetic valve, the magnetic core and the movable piece in the inner cavity of the main shaft are prevented from being corroded, so that true full corrosion resistance is realized.
Description
Technical field:
The utility model relates to a kind of solenoid valve, is specifically a kind of anticorrosion normally closed solenoid valve.
Background technique:
At present, as shown in Figure 3, normally closed solenoid valve generally comprises base 107, main shaft 101, magnetic core 102, movable part 104, spring 103 and coil block 110, inlet passage 106 and outlet passage 108 that base 107 is provided with valve pocket 105 and communicates with valve pocket 105, main shaft 101 is connected to the upper end of base 107, coil block 110 is enclosed within on main shaft 101 and by hold-doun nut 111 and is fixed on main shaft 101, magnetic core 102 is connected to the top of main shaft 101 inner chambers, movable part 104 is positioned at the bottom of main shaft 101 inner chambers and can moves axially, spring 103 be inserted on movable part 104 and withstand on magnetic core 102 and movable part 104 between, the lower end of movable part 104 is provided with sealing gasket 109, sealing gasket 109 is pressed on the inlet passage 106 in valve pocket 105, the working principle of normally closed solenoid valve is: under normality, under the effect of spring 103, sealing gasket 109 is pressed on the inlet passage 106 in valve pocket 105, cut off communicating of inlet passage 106 and outlet passage 108, when after the coil electricity in coil block 110, magnetic core 102 adhesive movable parts 104 move up movable part 104, movable part 104 moves up and drives sealing gasket 109 to move up, thereby inlet passage 106 is communicated with outlet passage 108.The normally closed solenoid valve of this structure is in the process using, corrosive gas in valve pocket 105 or liquid medium can enter into by the gap between movable part 104 and main shaft 101 inner chamber of main shaft 101, current anticorrosion normally closed solenoid valve just changes base 107 and main shaft 101 as stainless steel material into, sealing gasket 109 adopts the antiseptic rubber such as fluorine rubber or ethylene propylene diene rubber, and because magnetic core 102 will move by magnetic attraction movable part 104, therefore, magnetic core 102 and movable part 104 can only adopt ferrous material, can not adopt stainless steel material, thereby cause magnetic core 102 and movable part 104 to be easy to corrosion, anticorrosion normally closed solenoid valve can't be made corrosion protection completely.
Model utility content:
The technical problems to be solved in the utility model is, provides one can not corrode magnetic core and movable part, can completely etch-proof anticorrosion normally closed solenoid valve.
Technical solution of the present utility model is, provide a kind of anticorrosion normally closed solenoid valve with following structure: comprise base, main shaft, magnetic core, movable part, spring and coil block, base is stainless steel, inlet passage and outlet passage that base is provided with valve pocket and communicates with valve pocket, main shaft is connected to the upper end of base, coil block is enclosed within on main shaft and by hold-doun nut and is fixed on main shaft, magnetic core is connected to the top of main shaft inner chamber, movable part is positioned at the bottom of main shaft inner chamber and can moves axially, spring be inserted on movable part and withstand on magnetic core and movable part between, wherein, between main shaft and base, be provided with the dish-shaped antiseptic rubber pad that separates valve pocket and main shaft, dish antiseptic rubber pad comprises cylinder part, annular coil and the wave portion between cylinder part and annular coil, the perisporium of cylinder part is provided with back-off, cylinder part is inserted in the bottom of movable part and is connected with movable part by back-off, cylinder part is pressed on the inlet passage in valve pocket, annular coil is crushed between the main shaft and base at valve pocket edge, the perisporium of main shaft is provided with the vent communicating with the inner chamber of main shaft.
Anticorrosion normally closed solenoid valve described in the utility model, wherein, dish-shaped antiseptic rubber pad is to be made by fluorine rubber or ethylene propylene diene rubber or silicone rubber.
Adopt after above structure, compared with prior art, the anticorrosion normally closed solenoid valve of the utility model has the following advantages: owing to being provided with the dish-shaped antiseptic rubber pad that separates valve pocket and main shaft between main shaft and base, therefore, corrosive gas in valve pocket or liquid medium only contact with dish-shaped antiseptic rubber pad with base, can not enter into the inner chamber of main shaft, thereby can not corrode magnetic core and movable part in main shaft inner chamber, accomplish real complete corrosion protection.
Dish antiseptic rubber pad can select fluorine rubber or ethylene propylene diene rubber or silicone rubber material to make according to different corrosive gass or liquid medium.
Accompanying drawing explanation:
Fig. 1 is that the master of the anticorrosion normally closed solenoid valve of the utility model looks sectional structure schematic diagram;
Fig. 2 be in Fig. 1 the master of dish-shaped antiseptic rubber pad in the time not being out of shape depending on analysing and observe structure for amplifying schematic diagram;
Fig. 3 is that the master of the anticorrosion normally closed solenoid valve of prior art looks sectional structure schematic diagram.
Embodiment:
Below in conjunction with the drawings and specific embodiments, the anticorrosion normally closed solenoid valve of the utility model is described further:
As depicted in figs. 1 and 2, in this embodiment, the anticorrosion normally closed solenoid valve of the utility model comprises base 10, main shaft 1, magnetic core 2, movable part 5, spring 4 and coil block 14, base 10 is stainless steel, inlet passage 9 and outlet passage 11 that base 10 is provided with valve pocket 8 and communicates with valve pocket 8, main shaft 1 is connected to the upper end of base 10, coil block 14 is enclosed within on main shaft 1 and by hold-doun nut 15 and is fixed on main shaft 1, magnetic core 2 is connected to the top of main shaft 1 inner chamber, movable part 5 is positioned at the bottom of main shaft 1 inner chamber and can moves axially, spring 4 be inserted on movable part 5 and withstand on magnetic core 2 and movable part 5 between, between main shaft 1 and base 10, be provided with the dish-shaped antiseptic rubber pad that separates valve pocket 8 and main shaft 1, dish antiseptic rubber pad comprises cylinder part 6, annular coil 7 and the wave portion 12 between cylinder part 6 and annular coil 7, the perisporium of cylinder part 6 is provided with back-off 13, cylinder part 6 is inserted in the bottom of movable part 5 and is connected with movable part 5 by back-off 13, cylinder part 6 is pressed on the inlet passage 9 in valve pocket 8, annular coil 7 is crushed between the main shaft 1 and base 10 at valve pocket 8 edges, the perisporium of main shaft 1 is provided with the vent 3 communicating with the inner chamber of main shaft 1, dish antiseptic rubber pad is to be made by fluorine rubber or ethylene propylene diene rubber or silicone rubber.
The working principle of the anticorrosion normally closed solenoid valve of the utility model is: under normality, under the effect of spring 4, movable part 5 can drive the cylinder part 6 of dish-shaped antiseptic rubber pad to be pressed on the inlet passage 9 in valve pocket 8, cut off communicating of inlet passage 9 and outlet passage 11, in this process, wave portion 12 can deform, when after the coil electricity in coil block 14, magnetic core 2 adhesive movable parts 5 move up movable part 5, movable part 5 moves up and drives the cylinder part 6 of dish-shaped antiseptic rubber pad to move up, thereby inlet passage 9 is communicated with outlet passage 11.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (2)
1. an anticorrosion normally closed solenoid valve, comprise base (10), main shaft (1), magnetic core (2), movable part (5), spring (4) and coil block (14), described base (10) is stainless steel, inlet passage (9) and outlet passage (11) that described base (10) is provided with valve pocket (8) and communicates with valve pocket (8), described main shaft (1) is connected to the upper end of base (10), described coil block (14) is enclosed within main shaft (1) and goes up and pass through hold-doun nut (15) and be fixed on main shaft (1), described magnetic core (2) is connected to the top of main shaft (1) inner chamber, described movable part (5) is positioned at the bottom of main shaft (1) inner chamber and can moves axially, described spring (4) is inserted in movable part (5) and goes up and withstand between magnetic core (2) and movable part (5), it is characterized in that: between main shaft (1) and base (10), be provided with the dish-shaped antiseptic rubber pad that separates valve pocket (8) and main shaft (1), described dish-shaped antiseptic rubber pad comprises cylinder part (6), annular coil (7) and be positioned at cylinder part (6) and annular coil (7) between wave portion (12), the perisporium of described cylinder part (6) is provided with back-off (13), described cylinder part (6) is inserted in the bottom of movable part (5) and is connected with movable part (5) by back-off (13), described cylinder part (6) is pressed on the inlet passage (9) in valve pocket (8), annular ring portion (7) is crushed between the main shaft (1) and base (10) at valve pocket (8) edge, the perisporium of described main shaft (1) is provided with the vent (3) communicating with the inner chamber of main shaft (1).
2. anticorrosion normally closed solenoid valve according to claim 1, is characterized in that: described dish-shaped antiseptic rubber pad is to be made by fluorine rubber or ethylene propylene diene rubber or silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320669576.8U CN203614758U (en) | 2013-10-28 | 2013-10-28 | Anti-corrosion normally-closed electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320669576.8U CN203614758U (en) | 2013-10-28 | 2013-10-28 | Anti-corrosion normally-closed electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203614758U true CN203614758U (en) | 2014-05-28 |
Family
ID=50767407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320669576.8U Expired - Lifetime CN203614758U (en) | 2013-10-28 | 2013-10-28 | Anti-corrosion normally-closed electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203614758U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352144A (en) * | 2016-09-12 | 2017-01-25 | 西安航天动力研究所 | Magnetic valve |
| CN109506030A (en) * | 2019-02-14 | 2019-03-22 | 山东创科自动化科技有限公司 | A kind of fluid control solenoid valve |
-
2013
- 2013-10-28 CN CN201320669576.8U patent/CN203614758U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352144A (en) * | 2016-09-12 | 2017-01-25 | 西安航天动力研究所 | Magnetic valve |
| CN109506030A (en) * | 2019-02-14 | 2019-03-22 | 山东创科自动化科技有限公司 | A kind of fluid control solenoid valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315121 Zhejiang, Dongqian Lake tourism resort in Ningbo, North Branch Road No. 788 Patentee after: NINGBO TIANYI MEDICAL EQUIPMENT CO.,LTD. Address before: 315121 Zhejiang, Dongqian Lake tourism resort in Ningbo, North Branch Road No. 788 Patentee before: Ningbo Tianyi Medical Appliance Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |