CN204493841U - Self-holding electromagnetic valve - Google Patents
Self-holding electromagnetic valve Download PDFInfo
- Publication number
- CN204493841U CN204493841U CN201520160352.3U CN201520160352U CN204493841U CN 204493841 U CN204493841 U CN 204493841U CN 201520160352 U CN201520160352 U CN 201520160352U CN 204493841 U CN204493841 U CN 204493841U
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- Prior art keywords
- valve
- slideway
- spool
- piston
- sealing ring
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- Withdrawn - After Issue
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Abstract
A kind of self-holding electromagnetic valve, relate to a kind of electromagnetic valve, comprise valve body, spool, sliding linkage and electromagnetic coil, in valve body, have connecting rod slideway, piston slideway and valve pocket, the wall body of piston slideway there is fluid output pick out, the wall body of valve pocket has fluid inlet to access; Spool is the piston structure of hollow, and the upper portion side wall of piston structure has through hole, and the external side of the middle wall of piston structure and the external side of lower part wall have upper sealing ring and lower sealing ring respectively; Ferromagnet is had in the upper end body of sliding linkage, sliding linkage is connected to the upper end of spool, spool is arranged in piston slideway, sliding linkage extend in connecting rod slideway, piston slideway space on upper sealing ring forms equivalent pressure cavity, and valve pocket is communicated to equivalent pressure cavity by the fluid passage in spool and through hole; The wall body that electromagnetic coil is arranged on connecting rod slideway is peripheral.The utility model does not need the pressure overcoming fluid just can carry out valve opening smoothly or closes valve operation, and in valve body, do not needed valve seat, the structure of solenoid valve is simple.
Description
Technical field
The utility model relates to the electromagnetism utensil automatically controlled, and is 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.
Model utility content
The purpose of this utility model is the shortcoming that will overcome existing solenoid valve, a kind of self-holding electromagnetic 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 self-holding electromagnetic valve of the utility model, comprise valve body, spool, sliding linkage and electromagnetic coil, it is characterized in that valve body (4) is integrated, connecting rod slideway (I) is had in valve body (4), 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 (4-4) and output interface (4-2), input interface (4-4) 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, the piston structure that spool (8) is hollow, formation fluid passage, the interior space (VI) of piston structure, the upper portion side wall of piston structure has through hole (VII), annular groove and lower annular groove on the external side of the middle wall of piston structure and the external side of lower part wall have respectively, there is upper sealing ring (9) in upper annular groove, in lower annular groove, have lower sealing ring (7), ferromagnet (12) is had in the upper end body of sliding linkage (11), sliding linkage (11) is connected to the upper end of spool (8), spool (8) is arranged in piston slideway, sliding linkage (11) extend in connecting rod slideway (I), permanent magnetism positioning disk (13) is had in the wall body upper end of connecting rod slideway (I), sliding linkage (11) has up and down space in connecting rod slideway (I), piston slideway space on upper sealing ring (9) forms equivalent pressure cavity (II), valve pocket (IV) is communicated to equivalent pressure cavity (II) by the fluid passage (VI) in spool (8) and through hole (VII), the wall body that electromagnetic coil (2) is arranged on connecting rod slideway (I) is peripheral, permanent magnetism positioning ring (3) is had in the lower end of electromagnetic coil (2), the electromagnetic force that electromagnetic coil (2) produces make sliding linkage (11) carry out in connecting rod slideway (I) on move or move down, band movable valve plug (8) take upper sealing ring (9) and lower sealing ring (7) carry out in piston slideway on move or move down, when closed electromagnetic valve, upper sealing ring (9) and lower sealing ring (7) are positioned at the two-end part up and down of fluid output (III), make to close between fluid output (III) and valve pocket (IV), when solenoid valve is opened, upper sealing ring (9) and lower sealing ring (7) are positioned at the position on fluid output (III), make fluid output (III) and valve pocket (IV) carry out open-minded.
In the utility model, have installation opening (4-3) in the lower end of valve body (4), installation opening (4-3) is communicated to valve pocket (IV) and coaxial with valve pocket (IV), installation opening (4-3) has bottom (6) carry out shutoff; Have the descending position-limited lever (6-1) of spool at the center of bottom (6), the descending position-limited lever (6-1) of spool extend in the interior space of spool (8); Damping washer (10) is had in the upper-end surface of spool (8).
In above-mentioned model utility, when upper sealing ring (9) outside spool (8) wall body being arranged on piston structure and lower sealing ring (7) are positioned at the two-end part up and down of fluid output (III), upper sealing ring (9) and closely cooperating between lower sealing ring (7) and the inwall of piston slideway, seal, make to close between fluid output (III) and valve pocket (IV), solenoid valve is in closed condition.
Above-mentioned model utility in use, as needed opens solenoid valve, to the first end input forward current of electromagnetic coil (2), the electromagnetic force that electromagnetic coil (2) produces makes sliding linkage (11) move up, band movable valve plug (8) moves, make the upper sealing ring (9) outside spool (8) wall body and lower sealing ring (7) be positioned at position on fluid output (III), make to be communicated with between fluid output (III) with valve pocket (IV), solenoid valve is in open mode.After solenoid valve is opened, as needed shut electromagnetic valve, to the first end input back current of electromagnetic coil (2), the electromagnetic force that electromagnetic coil (2) produces makes sliding linkage (11) move down, band movable valve plug (8) moves down, make the upper sealing ring (9) outside spool (8) wall body and lower sealing ring (7) be positioned at the two-end part up and down of fluid output (III), make solenoid valve be in closed condition.
In order to reduce the working life of power consumption and prolongation electromagnetic coil, solenoid valve is designed to the working method of self-hold.Permanent magnetism positioning ring (3) is set in the lower end at electromagnetic coil (2) and permanent magnetism positioning disk (13) is set in the wall body upper end of connecting rod slideway (I), when solenoid valve need be opened, only need moment to the first end input forward current of electromagnetic coil (2), when electromagnetic coil (2) produces the electromagnetic force that spool (8) moves, ferromagnet (12) in sliding linkage (11) body produces the electromagnetic force pushed permanent magnetism positioning ring (3) open and attract permanent magnetism positioning disk (13), after completing solenoid valve unlatching, the ferromagnet (12) in sliding linkage (11) body by the magnetic attraction of permanent magnetism positioning disk (13), spool (8) is made to be positioned at opening state, and do not need electric current to locate, at this moment the electric current of cutoff solenoid (2) is got final product, when needing shut electromagnetic valve, only need moment to the first end input back current of electromagnetic coil (2), during the electromagnetic force that electromagnetic coil (2) generation spool (8) moves down, ferromagnet (12) in sliding linkage (11) body produces the electromagnetic force pushed permanent magnetism positioning disk (13) open and attract permanent magnetism positioning ring (3), after completing closed electromagnetic valve, the ferromagnet (12) in sliding linkage (11) body by the magnetic attraction of permanent magnetism positioning ring (3), spool (8) is made to be positioned at closed condition, and do not need electric current to locate, at this moment get final product the electric current of cutoff solenoid (2).
In above-mentioned model utility, spool (8) is designed to the piston structure of hollow, the lower sealing ring (7) of the upper sealing ring (9) 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 spool (8), make the pressure of piston valve core (8) top and bottom equal, when spool (8) 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 model utility, valve body (4), spool (8) and sliding linkage (11) 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 beneficial effects of the utility model are: a kind of self-holding electromagnetic valve provided, equivalent pressure cavity is had in valve body, do not need the pressure overcoming fluid just can carry out valve opening operation smoothly or close valve operation, required power is little, reduce power consumption, and make that closed electromagnetic valve is tight, reliable operation and long service life.Spool design is plug structure while still alive, in valve body, do not needed valve seat, and the structure of solenoid valve is simple, and the low and easy processing of requirement on machining accuracy, reduces costs.The utility model 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 that self-holding electromagnetic valve of the present utility model is in closed condition.
Accompanying drawing 2 is structural drawing that self-holding electromagnetic valve of the present utility model is in opening state.
In figure: 1. coil rack, 2. electromagnetic coil, 3. permanent magnetism positioning ring, 4. valve body, the wall body of 4-1. connecting rod slideway, 4-2. output interface, 4-3. installation opening, 4-4. input interface, 5. sealing gasket, 6. bottom, the descending position-limited lever of 6-1. spool, 7. lower sealing ring, 8. spool, 9. upper sealing ring, 10. damping washer, 11. sliding linkages, 12. ferromagnets, 13. permanent magnetism positioning disks, I. connecting rod slideway, II. equivalent pressure cavity, III. fluid output, IV. valve pocket, V. fluid inlet, VI. the fluid passage in spool, VII. through hole.
Embodiment
In embodiment's accompanying drawing 1 or the mode of execution shown in accompanying drawing 2, self-holding electromagnetic valve is primarily of valve body, spool, sliding linkage, bottom (6) and electromagnetic coil composition, wherein, valve body (4) is integrated, connecting rod slideway (I) is had in valve body (4), 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 (4-4) and output interface (4-2), input interface (4-4) 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, the piston structure that spool (8) is hollow, formation fluid passage, the interior space (VI) of piston structure, the upper portion side wall of piston structure has through hole (VII), annular groove and lower annular groove on the external side of the middle wall of piston structure and the external side of lower part wall have respectively, upper sealing ring (9) is had in upper annular groove, there is lower sealing ring (7) in lower annular groove, have damping washer (10) in the upper-end surface of spool (8), ferromagnet (12) is had in the upper end body of sliding linkage (11), sliding linkage (11) is connected to the upper end of spool (8), spool (8) is arranged in piston slideway, sliding linkage (11) extend in connecting rod slideway (I), sliding linkage (11) has up and down space in connecting rod slideway (I), piston slideway space on upper sealing ring (9) forms equivalent pressure cavity (II), and valve pocket (IV) is communicated to equivalent pressure cavity (II) by the fluid passage (VI) in spool (8) and through hole (VII), the wall body that electromagnetic coil (2) is arranged on connecting rod slideway (I) is peripheral, has permanent magnetism positioning ring (3), have permanent magnetism positioning disk (13) in the wall body upper end of connecting rod slideway (I) in the lower end of electromagnetic coil (2), the electromagnetic force that electromagnetic coil (2) produces make sliding linkage (11) carry out in connecting rod slideway (I) on move or move down, band movable valve plug (8) take upper sealing ring (9) and lower sealing ring (7) carry out in piston slideway on move or move down, when closed electromagnetic valve, upper sealing ring (9) and lower sealing ring (7) are positioned at the two-end part up and down of fluid output (III), make to close between fluid output (III) and valve pocket (IV), when solenoid valve is opened, upper sealing ring (9) and lower sealing ring (7) are positioned at the position on fluid output (III), make fluid output (III) and valve pocket (IV) carry out open-minded, installation opening (4-3) is had in the lower end of valve body (4), installation opening (4-3) is communicated to valve pocket (IV) and coaxial with valve pocket (IV), installation opening (4-3) carries out shutoff by bottom (6), sealing gasket (5) is had between the lower end of valve body and bottom (6), have the descending position-limited lever (6-1) of spool at the center of bottom (6), the descending position-limited lever (6-1) of spool extend in the interior space of spool (8).In the present embodiment, when upper sealing ring (9) outside spool (8) wall body being arranged on piston structure and lower sealing ring (7) are positioned at the two-end part up and down of fluid output (III), upper sealing ring (9) and closely cooperating between lower sealing ring (7) and the inwall of piston slideway, seal, make to close between fluid output (III) and valve pocket (IV), solenoid valve is in closed condition.In the present embodiment, valve body (4), spool (8) and sliding linkage (11) 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.
When the present embodiment uses, as needed opens solenoid valve, to the first end input forward current of electromagnetic coil (2), the electromagnetic force that electromagnetic coil (2) produces makes sliding linkage (11) move up, simultaneously, ferromagnet (12) in sliding linkage (11) body produces the electromagnetic force pushed permanent magnetism positioning ring (3) open and attract permanent magnetism positioning disk (13), band movable valve plug (8) moves, the upper sealing ring (9) outside spool (8) wall body and lower sealing ring (7) is made to be positioned at position on fluid output (III), make to be communicated with between fluid output (III) with valve pocket (IV), solenoid valve is in open mode, after completing solenoid valve unlatching, the ferromagnet (12) in sliding linkage (11) body by the magnetic attraction of permanent magnetism positioning disk (13), spool (8) is made to be positioned at opening state, and do not need electric current to locate, at this moment the electric current of cutoff solenoid (2) is got final product, after solenoid valve is opened, as needed shut electromagnetic valve, to the first end input back current of electromagnetic coil (2), the electromagnetic force that electromagnetic coil (2) produces makes sliding linkage (11) move down, simultaneously, ferromagnet (12) in sliding linkage (11) body produces the electromagnetic force pushed permanent magnetism positioning disk (13) open and attract permanent magnetism positioning ring (3), band movable valve plug (8) moves down, the upper sealing ring (9) outside spool (8) wall body and lower sealing ring (7) is made to be positioned at the two-end part up and down of fluid output (III), solenoid valve is made to be in closed condition, after completing closed electromagnetic valve, the ferromagnet (12) in sliding linkage (11) body by the magnetic attraction of permanent magnetism positioning ring (3), spool (8) is made to be positioned at closed condition, and do not need electric current to locate, at this moment the electric current of cutoff solenoid (2) is got final product.The present embodiment utilizes the lower sealing ring (7) of the upper sealing ring (9) and the external side of lower part wall being arranged on the external side of piston structure middle wall to carry out pass valve, do not need the pressure overcoming fluid just can carry out valve opening operation smoothly and close valve operation, required power reduces, reduce power consumption, and make that closed electromagnetic valve is tight, reliable operation and long service life.
Claims (3)
1. a self-holding electromagnetic valve, comprise valve body, spool, sliding linkage and electromagnetic coil, it is characterized in that valve body (4) is integrated, connecting rod slideway (I) is had in valve body (4), 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 (4-4) and output interface (4-2), input interface (4-4) 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, the piston structure that spool (8) is hollow, formation fluid passage, the interior space (VI) of piston structure, the upper portion side wall of piston structure has through hole (VII), annular groove and lower annular groove on the external side of the middle wall of piston structure and the external side of lower part wall have respectively, there is upper sealing ring (9) in upper annular groove, in lower annular groove, have lower sealing ring (7),
Ferromagnet (12) is had in the upper end body of sliding linkage (11), sliding linkage (11) is connected to the upper end of spool (8), spool (8) is arranged in piston slideway, sliding linkage (11) extend in connecting rod slideway (I), permanent magnetism positioning disk (13) is had in the wall body upper end of connecting rod slideway (I), sliding linkage (11) has up and down space in connecting rod slideway (I), piston slideway space on upper sealing ring (9) forms equivalent pressure cavity (II), valve pocket (IV) is communicated to equivalent pressure cavity (II) by the fluid passage (VI) in spool (8) and through hole (VII), the wall body that electromagnetic coil (2) is arranged on connecting rod slideway (I) is peripheral, permanent magnetism positioning ring (3) is had in the lower end of electromagnetic coil (2), the electromagnetic force that electromagnetic coil (2) produces make sliding linkage (11) carry out in connecting rod slideway (I) on move or move down, band movable valve plug (8) take upper sealing ring (9) and lower sealing ring (7) carry out in piston slideway on move or move down, when closed electromagnetic valve, upper sealing ring (9) and lower sealing ring (7) are positioned at the two-end part up and down of fluid output (III), make to close between fluid output (III) and valve pocket (IV), when solenoid valve is opened, upper sealing ring (9) and lower sealing ring (7) are positioned at the position on fluid output (III), make fluid output (III) and valve pocket (IV) carry out open-minded.
2. a kind of self-holding electromagnetic valve according to claim 1, it is characterized in that there is installation opening (4-3) in the lower end of valve body (4), installation opening (4-3) is communicated to valve pocket (IV) and coaxial with valve pocket (IV), installation opening (4-3) has bottom (6) carry out shutoff; Have the descending position-limited lever (6-1) of spool at the center of bottom (6), the descending position-limited lever (6-1) of spool extend in the interior space of spool (8).
3. a kind of self-holding electromagnetic valve according to claim 1, is characterized in that there is damping washer (10) in the upper-end surface of spool (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520160352.3U CN204493841U (en) | 2015-03-22 | 2015-03-22 | Self-holding electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520160352.3U CN204493841U (en) | 2015-03-22 | 2015-03-22 | Self-holding electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204493841U true CN204493841U (en) | 2015-07-22 |
Family
ID=53573159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520160352.3U Withdrawn - After Issue CN204493841U (en) | 2015-03-22 | 2015-03-22 | Self-holding electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204493841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676078B (en) * | 2015-03-22 | 2017-03-29 | 衢州昀睿工业设计有限公司 | Self-holding electromagnetic valve |
-
2015
- 2015-03-22 CN CN201520160352.3U patent/CN204493841U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676078B (en) * | 2015-03-22 | 2017-03-29 | 衢州昀睿工业设计有限公司 | Self-holding electromagnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150722 Effective date of abandoning: 20170329 |