CN104712826A - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
- Publication number
- CN104712826A CN104712826A CN201510124075.5A CN201510124075A CN104712826A CN 104712826 A CN104712826 A CN 104712826A CN 201510124075 A CN201510124075 A CN 201510124075A CN 104712826 A CN104712826 A CN 104712826A
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- CN
- China
- Prior art keywords
- piston
- valve
- slideway
- groove
- valve core
- 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
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- 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
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
- F16K3/265—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member with a sleeve sliding in the direction of the flow line
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention relates to an electromagnetic valve. The electromagnetic valve comprises a piston type valve element, a slide connection rod, a spring, a valve body and an electromagnetic coil, and is characterized in that the piston type valve element is of a groove structure, an opening of the groove faces upwards, a through hole is formed in the bottom of the groove, a fluid passageway of an equal-pressure cavity is formed by the inner space of the groove, and an upper seal ring and a lower seal ring are arranged on the outer side of the wall body of the piston type valve element; the slide connection rod is connected to the bottom face of the groove of the piston type valve element, and ferromagnet is arranged in a body of the slide connection rod; the valve body is of an integrated structure, the valve body is internally provided with a connection rod slide way, a piston slide way and a valve cavity, the piston type valve element is arranged in the piston slide way, the slide connection rod extends into the connection rod slide way, the equal-pressure cavity is formed by the space, above the piston type valve element, of the piston slide way, the spring is arranged in the equal-pressure cavity and the groove of the piston type valve element, and the electromagnetic coil is installed on the periphery of the wall body of the connection rod slide way. The valve opening operation or the valve closing operation can be smoothly conducted without overcoming pressure of fluid, required power is reduced, and the electric energy consumption is lowered.
Description
Technical field
The present invention relates to the electromagnetism utensil automatically controlled, be related specifically to a kind of electromagnetic valve.
Background technique
Solenoid valve comprises gas electromagnetic valve, steam electromagnetic valve, solenoid valve for water, oil solenoid valve and electromagnetic valve for refrigeration, and solenoid valve, as the execution utensil of Automated condtrol flowing medium, is widely used in household electrical appliances, weaving, light industry, urban construction industry.Solenoid valve completes valve opening action with electromagnetic force in being sealed in the iron core in magnetic conduction sleeve pipe, and there is not motive sealing, so can avoid leaking outside, therefore, solenoid valve has the feature of use safety, is particularly useful for the medium of corrosivity, poisonous or high/low temperature.
Existing solenoid valve needs valve seat in valve body, there is complex structure, requirement on machining accuracy is high and easily cause the close shortcoming that is not closed completely.
Summary of the invention
The object of the invention is the shortcoming that will overcome existing solenoid valve, a kind of solenoid valve not needing valve seat in valve body is provided, the structure of solenoid valve is simple, low and the easy processing of requirement on machining accuracy, and closed electromagnetic valve is tight and reliable operation, be adapted at applying in household electrical appliances, weaving, light industry, urban construction industry, meet the live and work needs of people.
A kind of solenoid valve of the present invention, comprise piston valve core, sliding linkage, spring, valve body and electromagnetic coil, it is characterized in that piston valve core (10) is groove structure, the opening upwards of groove, have through hole (VI) in groove-bottom, the interior space of groove forms the fluid passage (VII) of equivalent pressure cavity, has upper annular groove and lower annular groove respectively in the external side of top wall of piston valve core (10) and the external side of lower part wall, there is upper sealing ring (11) in upper annular groove, in lower annular groove, have lower sealing ring (9), sliding linkage (13) is connected in the groove floor of piston valve core (10), has ferromagnet (12) in the body of sliding linkage (13), valve body (3) is integrated, connecting rod slideway (I) is had in valve body (3), piston slideway and valve pocket (IV), connecting rod slideway (I) is above piston slideway, valve pocket (IV) is in the below of piston slideway, connecting rod slideway (I), be interconnected between piston slideway and valve pocket (IV), the wall body of piston slideway there is fluid output (III) pick out, the wall body of valve pocket (IV) there is fluid inlet (V) access, valve body there are input interface (3-4) and output interface (3-2), input interface (3-4) is communicated to the fluid inlet (V) on valve pocket (IV) wall body, output interface (4-2) is communicated to the fluid output (III) on piston slideway wall body, piston valve core (10) is arranged in piston slideway, sliding linkage (13) extend in connecting rod slideway (I), sliding linkage (13) has up and down space in connecting rod slideway (I), piston slideway space on piston valve core (10) forms equivalent pressure cavity (II), and valve pocket (IV) is communicated to equivalent pressure cavity (II) by the groove-bottom through hole (VI) of piston valve core (10) and fluid passage (VII), the periphery of sliding linkage (13) is positioned among the groove that spring (4) is arranged on equivalent pressure cavity (II) and piston valve core (10), the upper end of spring (4) presses closer on the roof of equivalent pressure cavity (II), and the lower end of spring (4) presses closer in the groove floor of piston valve core (10), the wall body that electromagnetic coil (2) is arranged on connecting rod slideway (I) is peripheral, the horizontal centre of electromagnetic coil (2) is in ferromagnet (12) the above position in sliding linkage (13), when electromagnetic coil (2) is energized, the electromagnetic force that electromagnetic coil (2) produces makes sliding linkage (13) carry out upper shifting movement, drive piston valve core (10) take upper sealing ring (11) and lower sealing ring (9) carry out in piston slideway on move, upper sealing ring (11) and lower sealing ring (9) are positioned at position on fluid output (III), fluid output (III) and valve pocket (IV) is made to carry out open-minded, when electromagnetic coil (2) power-off, the elastic force of spring (4) makes piston valve core (10) reset downwards, upper sealing ring (11) and lower sealing ring (9) are positioned at the position up and down of fluid output (III), make to close between fluid output (III) and valve pocket (IV).
In the present invention, in below limited location bar (8) of piston valve core (10), the upper end of position-limited lever (8) is connected to the bottom surface of piston valve core (10), position-limited lever (8) and piston valve core (10) carry out synchronous on move or move down, the lower end of position-limited lever (8) has damping pad (7); Have installation opening (3-3) in the lower end of valve body (3), installation opening (3-3) is communicated to valve pocket (IV) and coaxial with valve pocket (IV), installation opening (3-3) has bottom (6) carry out shutoff.
In above-mentioned invention, when the upper sealing ring (11) be arranged on outside piston valve core (10) wall body and lower sealing ring (9) are positioned at the position up and down of fluid output (III), upper sealing ring (11) and closely cooperating between lower sealing ring (9) and the inwall of piston slideway, seal, make to close between fluid output (III) and valve pocket (IV), solenoid valve is in closed condition.
The solenoid valve of foregoing invention is when no electric circuit, and under the effect of spring (4), the upper sealing ring (11) outside piston valve core (10) wall body and lower sealing ring (9) are positioned at the upper and lower position of fluid output (III), and solenoid valve keeps closed condition.When solenoid valve need be made to open, to electromagnetic coil (2) input AC electricity or direct current, the center of electromagnetic coil (2) produces the electromagnetic force that sliding linkage (13) interior ferromagnet (12) is moved up, sliding linkage (13) moves up, drive on piston valve core (10) and move, thus make the upper sealing ring (11) outside piston valve core (10) wall body and lower sealing ring (9) be positioned at position on fluid output (III), make between fluid output (III) and valve pocket (IV) open-minded, solenoid valve is in open mode.
In above-mentioned invention, be piston structure spool design, the lower sealing ring (9) of the upper sealing ring (11) and the external side of lower part wall being arranged on the external side of piston structure middle wall is utilized to carry out pass valve, and do not need to arrange valve seat and valve plate in valve body, make that structure is simple, requirement on machining accuracy is low, thus reduce costs; Equivalent pressure cavity (II) is set in valve body, equivalent pressure cavity (II) is communicated to valve pocket (IV) by the interior space of piston valve core (10), make the pressure of piston valve core (10) top and bottom equal, when piston valve core (10) carries out valve opening operation and close valve operation, do not need the pressure overcoming fluid just can carry out smoothly, make valve opening or close power needed for valve to reduce, reduce power consumption, and make that closed electromagnetic valve is tight, reliable operation and long service life.
In above-mentioned invention, spring (4) is arranged in the groove of piston valve core (10), duty volume can be reduced, the volume of solenoid valve is reduced, save material consumption, thus reduce costs.
In above-mentioned invention, valve body (3), piston valve core (10) and sliding linkage (13) select nonmagnetic substance to make, and described nonmagnetic substance comprises plastics, brass, stainless steel or aluminum alloy material; Ferromagnet (12) selects soft magnetic material, and described soft magnetic material comprises silicon steel material and Ferrite Material.
The invention has the beneficial effects as follows: the solenoid valve of a kind of piston structure provided, equivalent pressure cavity is had at valve body, do not need the pressure overcoming fluid just can carry out valve opening operation smoothly or close valve operation, required power reduces, reduce power consumption, and make that closed electromagnetic valve is tight, reliable operation and long service life.In valve body, do not needed valve seat, the structure of solenoid valve is simple, and the low and easy processing of requirement on machining accuracy, reduces costs.The present invention is adapted at applying in household electrical appliances, weaving, light industry, urban construction industry, meets the live and work needs of people.
Accompanying drawing explanation
Accompanying drawing 1 is the structural drawing of a kind of solenoid valve of the present invention when no electric circuit normality.
Accompanying drawing 2 is a kind of solenoid valve of the present invention structural drawing when the work of energising.
In figure: 1. coil rack, 2. electromagnetic coil, 3. valve body, the wall body of 3-1. connecting rod slideway, 3-2. output interface, 3-3. installation opening, 3-4. input interface, 4. spring, 5. sealing gasket, 6. bottom, 7. damping pad, 8. position-limited lever, 9. lower sealing ring, 10. piston valve core, 11. upper sealing rings, 12. ferromagnets, 13. sliding linkages, 15. nuts, I. connecting rod slideway, II. equivalent pressure cavity, III. fluid output, IV. valve pocket, V. fluid inlet, VI. through hole, VII. the fluid passage of equivalent pressure cavity.
Embodiment
In embodiment's accompanying drawing 1 or the mode of execution shown in accompanying drawing 2, a kind of solenoid valve is made up of piston valve core, sliding linkage, spring, valve body, bottom (6) and electromagnetic coil, wherein, piston valve core (10) is groove structure, the opening upwards of groove, through hole (VI) is had in groove-bottom, the interior space of groove forms the fluid passage (VII) of equivalent pressure cavity, upper annular groove and lower annular groove is had respectively in the external side of top wall of piston valve core (10) and the external side of lower part wall, there is upper sealing ring (11) in upper annular groove, in lower annular groove, have lower sealing ring (9), sliding linkage (13) is connected in the groove floor of piston valve core (10), has ferromagnet (12) in the body of sliding linkage (13), valve body (3) is integrated, connecting rod slideway (I) is had in valve body (3), piston slideway and valve pocket (IV), connecting rod slideway (I) is above piston slideway, valve pocket (IV) is in the below of piston slideway, connecting rod slideway (I), be interconnected between piston slideway and valve pocket (IV), the wall body of piston slideway there is fluid output (III) pick out, the wall body of valve pocket (IV) there is fluid inlet (V) access, valve body there are input interface (3-4) and output interface (3-2), input interface (3-4) is communicated to the fluid inlet (V) on valve pocket (IV) wall body, output interface (4-2) is communicated to the fluid output (III) on piston slideway wall body, piston valve core (10) is arranged in piston slideway, sliding linkage (13) extend in connecting rod slideway (I), sliding linkage (13) has up and down space in connecting rod slideway (I), piston slideway space on piston valve core (10) forms equivalent pressure cavity (II), and valve pocket (IV) is communicated to equivalent pressure cavity (II) by the groove-bottom through hole (VI) of piston valve core (10) and fluid passage (VII), the periphery of sliding linkage (13) is positioned among the groove that spring (4) is arranged on equivalent pressure cavity (II) and piston valve core (10), the upper end of spring (4) presses closer on the roof of equivalent pressure cavity (II), and the lower end of spring (4) presses closer in the groove floor of piston valve core (10), in below limited location bar (8) of piston valve core (10), the upper end of position-limited lever (8) is connected to the bottom surface of piston valve core (10), position-limited lever (8) and piston valve core (10) carry out synchronous on move or move down, the lower end of position-limited lever (8) has damping pad (7), have installation opening (3-3) in the lower end of valve body (3), installation opening (3-3) is communicated to valve pocket (IV) and coaxial with valve pocket (IV), installation opening (3-3) has bottom (6) carry out shutoff, the wall body that electromagnetic coil (2) is arranged on connecting rod slideway (I) is peripheral, the horizontal centre of electromagnetic coil (2) is in ferromagnet (12) the above position in sliding linkage (13), when electromagnetic coil (2) is energized, the electromagnetic force that electromagnetic coil (2) produces makes sliding linkage (13) carry out upper shifting movement, drive piston valve core (10) take upper sealing ring (11) and lower sealing ring (9) carry out in piston slideway on move, upper sealing ring (11) and lower sealing ring (9) are positioned at position on fluid output (III), fluid output (III) and valve pocket (IV) is made to carry out open-minded, when electromagnetic coil (2) power-off, the elastic force of spring (4) makes piston valve core (10) reset downwards, upper sealing ring (11) and lower sealing ring (9) are positioned at the position up and down of fluid output (III), make to close between fluid output (III) and valve pocket (IV).In the present embodiment, valve body (3), piston valve core (10) and sliding linkage (13) select nonmagnetic substance to make, and described nonmagnetic substance comprises plastics, brass, stainless steel or aluminum alloy material; Ferromagnet (12) selects soft magnetic material, and described soft magnetic material comprises silicon steel material and Ferrite Material.
The solenoid valve of the present embodiment is when no electric circuit, under the effect of spring (4), piston valve core (10) moves down, the position-limited lever (8) of piston valve core (10) below is made to touch bottom (6) and spacing, upper sealing ring (11) outside piston valve core (10) wall body and lower sealing ring (9) are positioned at the upper and lower position of fluid output (III), upper sealing ring (11) and closely cooperating between lower sealing ring (9) and the inwall of piston slideway, seal, make to close between fluid output (III) and valve pocket (IV), solenoid valve remains on closed condition.When solenoid valve need be made to open, to electromagnetic coil (2) input AC electricity or direct current, the center of electromagnetic coil (2) produces the electromagnetic force that sliding linkage (13) interior ferromagnet (12) is moved up, sliding linkage (13) moves up, drive on piston valve core (10) and move, thus make the upper sealing ring (11) outside piston valve core (10) wall body and lower sealing ring (9) be positioned at position on fluid output (III), make between fluid output (III) and valve pocket (IV) open-minded, solenoid valve is in open mode.
Claims (3)
1. a solenoid valve, comprise piston valve core, sliding linkage, spring, valve body and electromagnetic coil, it is characterized in that piston valve core (10) is groove structure, the opening upwards of groove, have through hole (VI) in groove-bottom, the interior space of groove forms the fluid passage (VII) of equivalent pressure cavity, has upper annular groove and lower annular groove respectively in the external side of top wall of piston valve core (10) and the external side of lower part wall, there is upper sealing ring (11) in upper annular groove, in lower annular groove, have lower sealing ring (9), sliding linkage (13) is connected in the groove floor of piston valve core (10), has ferromagnet (12) in the body of sliding linkage (13), valve body (3) is integrated, connecting rod slideway (I) is had in valve body (3), piston slideway and valve pocket (IV), connecting rod slideway (I) is above piston slideway, valve pocket (IV) is in the below of piston slideway, connecting rod slideway (I), be interconnected between piston slideway and valve pocket (IV), the wall body of piston slideway there is fluid output (III) pick out, the wall body of valve pocket (IV) there is fluid inlet (V) access, valve body there are input interface (3-4) and output interface (3-2), input interface (3-4) is communicated to the fluid inlet (V) on valve pocket (IV) wall body, output interface (4-2) is communicated to the fluid output (III) on piston slideway wall body,
Piston valve core (10) is arranged in piston slideway, sliding linkage (13) extend in connecting rod slideway (I), sliding linkage (13) has up and down space in connecting rod slideway (I), piston slideway space on piston valve core (10) forms equivalent pressure cavity (II), and valve pocket (IV) is communicated to equivalent pressure cavity (II) by the groove-bottom through hole (VI) of piston valve core (10) and fluid passage (VII), the periphery of sliding linkage (13) is positioned among the groove that spring (4) is arranged on equivalent pressure cavity (II) and piston valve core (10), the upper end of spring (4) presses closer on the roof of equivalent pressure cavity (II), and the lower end of spring (4) presses closer in the groove floor of piston valve core (10), the wall body that electromagnetic coil (2) is arranged on connecting rod slideway (I) is peripheral, the horizontal centre of electromagnetic coil (2) is in ferromagnet (12) the above position in sliding linkage (13), when electromagnetic coil (2) is energized, the electromagnetic force that electromagnetic coil (2) produces makes sliding linkage (13) carry out upper shifting movement, drive piston valve core (10) take upper sealing ring (11) and lower sealing ring (9) carry out in piston slideway on move, upper sealing ring (11) and lower sealing ring (9) are positioned at position on fluid output (III), fluid output (III) and valve pocket (IV) is made to carry out open-minded, when electromagnetic coil (2) power-off, the elastic force of spring (4) makes piston valve core (10) reset downwards, upper sealing ring (11) and lower sealing ring (9) are positioned at the position up and down of fluid output (III), make to close between fluid output (III) and valve pocket (IV).
2. a kind of solenoid valve according to claim 1, it is characterized in that below limited location bar (8) at piston valve core (10), the upper end of position-limited lever (8) is connected to the bottom surface of piston valve core (10), position-limited lever (8) and piston valve core (10) carry out synchronous on move or move down, the lower end of position-limited lever (8) has damping pad (7).
3. a kind of solenoid valve according to claim 1, is characterized in that there is installation opening (3-3) in the lower end of valve body (3), and installation opening (3-3) is communicated to valve pocket (IV) and coaxial with valve pocket (IV), installation opening (3-3) has bottom (6) carry out shutoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124075.5A CN104712826B (en) | 2015-03-22 | 2015-03-22 | A kind of magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124075.5A CN104712826B (en) | 2015-03-22 | 2015-03-22 | A kind of magnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104712826A true CN104712826A (en) | 2015-06-17 |
| CN104712826B CN104712826B (en) | 2017-07-25 |
Family
ID=53412412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510124075.5A Active CN104712826B (en) | 2015-03-22 | 2015-03-22 | A kind of magnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104712826B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831818A (en) * | 2018-06-27 | 2018-11-16 | 江苏振华新云电子有限公司 | The protective device of ionization gauge |
| CN110242759A (en) * | 2019-07-16 | 2019-09-17 | 苏州市富尔达科技股份有限公司 | A kind of door closer flow path solenoid valve and automatically controlled door closer |
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| CN2262139Y (en) * | 1996-02-06 | 1997-09-10 | 孙杰 | Energy saving large caliber solenoid valve |
| CN1796837A (en) * | 2004-12-28 | 2006-07-05 | 何永水 | Balance type valve of electric valve |
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| CN102537484A (en) * | 2012-01-20 | 2012-07-04 | 浙江恒森实业集团有限公司 | Electromagnetic valve with differential pressure resistance valve core |
| CN202914778U (en) * | 2012-11-22 | 2013-05-01 | 浙江贝尔控制阀门有限公司 | High temperature sleeve adjustment valve |
| CN103335153A (en) * | 2013-07-29 | 2013-10-02 | 衢州昀睿工业设计有限公司 | Downstream closed type solenoid valve |
| CN103410620A (en) * | 2013-07-31 | 2013-11-27 | 瑞立集团瑞安汽车零部件有限公司 | Pressure regulating solenoid valve |
| CN103821979A (en) * | 2014-02-25 | 2014-05-28 | 杭州杭氧工装泵阀有限公司 | Multistage depressurization valve |
| CN103994249A (en) * | 2014-06-07 | 2014-08-20 | 衢州迪升工业设计有限公司 | Three-way electromagnetic valve used for water saving device |
| CN104315231A (en) * | 2014-11-10 | 2015-01-28 | 无锡正大轴承机械制造有限公司 | Proportional value adjustable high pressure common rail proportional electromagnetic valve |
| CN204493843U (en) * | 2015-03-22 | 2015-07-22 | 衢州迪升工业设计有限公司 | A kind of normally open solenoid valve of piston structure |
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2015
- 2015-03-22 CN CN201510124075.5A patent/CN104712826B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2262139Y (en) * | 1996-02-06 | 1997-09-10 | 孙杰 | Energy saving large caliber solenoid valve |
| CN1796837A (en) * | 2004-12-28 | 2006-07-05 | 何永水 | Balance type valve of electric valve |
| CN201041233Y (en) * | 2007-04-06 | 2008-03-26 | 姚重义 | Multi-stage opening electromagnetic valve |
| CN102537484A (en) * | 2012-01-20 | 2012-07-04 | 浙江恒森实业集团有限公司 | Electromagnetic valve with differential pressure resistance valve core |
| CN202914778U (en) * | 2012-11-22 | 2013-05-01 | 浙江贝尔控制阀门有限公司 | High temperature sleeve adjustment valve |
| CN103335153A (en) * | 2013-07-29 | 2013-10-02 | 衢州昀睿工业设计有限公司 | Downstream closed type solenoid valve |
| CN103410620A (en) * | 2013-07-31 | 2013-11-27 | 瑞立集团瑞安汽车零部件有限公司 | Pressure regulating solenoid valve |
| CN103821979A (en) * | 2014-02-25 | 2014-05-28 | 杭州杭氧工装泵阀有限公司 | Multistage depressurization valve |
| CN103994249A (en) * | 2014-06-07 | 2014-08-20 | 衢州迪升工业设计有限公司 | Three-way electromagnetic valve used for water saving device |
| CN104315231A (en) * | 2014-11-10 | 2015-01-28 | 无锡正大轴承机械制造有限公司 | Proportional value adjustable high pressure common rail proportional electromagnetic valve |
| CN204493843U (en) * | 2015-03-22 | 2015-07-22 | 衢州迪升工业设计有限公司 | A kind of normally open solenoid valve of piston structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831818A (en) * | 2018-06-27 | 2018-11-16 | 江苏振华新云电子有限公司 | The protective device of ionization gauge |
| CN108831818B (en) * | 2018-06-27 | 2021-01-05 | 江苏振华新云电子有限公司 | Protective device for ionization gauge |
| CN110242759A (en) * | 2019-07-16 | 2019-09-17 | 苏州市富尔达科技股份有限公司 | A kind of door closer flow path solenoid valve and automatically controlled door closer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104712826B (en) | 2017-07-25 |
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