CN203363371U - Permanent magnet retaining solenoid valve - Google Patents
Permanent magnet retaining solenoid valve Download PDFInfo
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- CN203363371U CN203363371U CN 201320461045 CN201320461045U CN203363371U CN 203363371 U CN203363371 U CN 203363371U CN 201320461045 CN201320461045 CN 201320461045 CN 201320461045 U CN201320461045 U CN 201320461045U CN 203363371 U CN203363371 U CN 203363371U
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- permanent magnet
- valve
- guide rod
- electromagnetic coil
- pressure releasing
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Abstract
The utility model discloses a permanent magnet retaining solenoid valve and relates to actuating appliances of automation control fluid. The permanent magnet retaining solenoid valve mainly consists of a valve body, a magnetic sleeve, a main valve core, a pressure relief valve core and an electromagnetic coil, wherein an upper valve cavity, a lower valve cavity and a buffer chamber are formed in the valve body; a clapboard is arranged between the lower valve cavity and the buffer chamber; a damping port is formed in the clapboard; a fluid input interface is formed in one end of the valve body and is communicated with the buffer chamber; the buffer chamber is communicated with the lower valve cavity through the damping port; a fluid output interface is formed in the other end of the valve body and is communicated with the upper valve cavity; the magnetic sleeve is arranged on an upper end face of the valve body; a guide rod which moves up and down is arranged in a space in the magnetic sleeve; a permanent magnet c is arranged in the guide rod body; the main valve core and the pressure relief valve core are arranged in the lower valve cavity; an upper connecting rod of the pressure relief valve core penetrates through a through hole at the center of a circle of the main valve core and is connected to the lower end of the guide rod; a lower connecting rod of the pressure relief valve core is connected with a damping piece; the damping piece is arranged in the damping port in the clapboard. The permanent magnet retaining solenoid valve is suitable for high-pressure high-flow occasions, and solenoid valves of various pressure-resistant levels and flow levels are produced.
Description
Technical field
The utility model relates to the execution utensil that fluid is controlled in automation, specially refers to a kind of Electromagnetic Control equipment.
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 is controlled the execution utensil of flowing medium as automation, be widely used in household electrical appliances, weaving, light industry, urban construction industry.Solenoid valve is that the iron core in being sealed in the magnetic conduction sleeve pipe completes valve opening action with electromagnetic force, does not have motive sealing, so can avoid leaking outside, therefore, solenoid valve has and uses safe characteristics, is particularly useful for the medium of corrosivity, poisonous or high low temperature.
Self-holding electromagnetic valve is exactly only to need the moment energising to complete the valve switch action, and valve element position does not need electricity to keep.Its advantage is energy saving, and electromagnetic coil do not have temperature rise, thereby makes the life-span of coil long, in high low temperature, the occasion such as explosion-proof, higher-security is arranged.
Yet, current solenoid valve is when carrying out closing operation, spool is closed in face of the flow direction of flowing medium or pressure direction, the pressure-acting direction of flowing medium and spool to open direction identical, therefore, easily be not closed completely close and fault leakage, cause the short and wasting of resources in work unreliable normal operation, working life that has influence on equipment, and have influence on Security.
The model utility content
The purpose of this utility model is the shortcoming that will overcome existing solenoid valve, design a kind of permanent magnet maintenance solenoid valve that a kind of closure that adopts the following current closed manners tightly is difficult for leakage, reliable operation, energy saving and long service life, be adapted at applying in household electrical appliances, weaving, light industry, urban construction industry, meet people's live and work needs.
A kind of permanent magnet maintenance solenoid valve of the present utility model, it is characterized in that solenoid valve is mainly by valve body (6), magnetic conduction sleeve pipe (2), main valve plug (10), pressure releasing valve core (13) and electromagnetic coil (1) form, wherein, uuper valve chamber (VI) is arranged in valve body (6), lower valve chamber (III) and buffer cell (I), uuper valve chamber (VI) is directly over lower valve chamber (III), the below of lower valve chamber (III) is buffer cell (I), between lower valve chamber (III) and buffer cell (I), dividing plate (18) is arranged, damping port (II) is arranged on dividing plate (18), the via hole of perforation is arranged at the top of valve body (6), the via hole connected is directly over uuper valve chamber (VI), one end of valve body (6) has fluid input interface (19), fluid input interface (19) is communicated to buffer cell (I), buffer cell (I) is communicated to lower valve chamber (III) by damping port (II), the other end of valve body (6) has fluid output interface (12), fluid output interface (12) is communicated to uuper valve chamber (VI), on the crossing wall body of uuper valve chamber (VI) and lower valve chamber (III), sealing surface a(8 is arranged), magnetic conduction sleeve pipe (2) is arranged on the upper-end surface of valve body (6), and there is up and down guide rod (3) in the interior space of magnetic conduction sleeve pipe (2), in the body of guide rod (3), permanent magnet c(25 is arranged), main valve plug (10) is the disc structure, and there is through hole in the center of circle of main valve plug (10), and the center of circle through hole of main valve plug (10) forms pressure release passage (IV), and pressure release passage (IV) periphery of main valve plug (10) lower end surface forms sealing surface b(11), pressure releasing valve core (13) is cylindrical structure, and the center of pressure releasing valve core (13) upper end has upper connecting rod (7) to pick out, and the center of pressure releasing valve core (13) lower end has lower link (17) to pick out, main valve plug (10) and pressure releasing valve core (13) are arranged in lower valve chamber (III), the upper connecting rod (7) of pressure releasing valve core (13) is through after the center of circle through hole of main valve plug (10), the via hole connected through valve body (6) top again is connected to the lower end of guide rod (3), perhaps, the via hole that the bottom of guide rod (3) connects through valve body (6) top extend among uuper valve chamber (VI), the upper connecting rod (7) of pressure releasing valve core (13) is through the lower end that is connected to guide rod (3) after the center of circle through hole of main valve plug (10), between main valve plug (10) and guide rod (3), interlock sleeve pipe (21) is arranged, the lower end of the lower link (17) of pressure releasing valve core (13) is connected with damping piece (14), damping piece (14) is arranged in the damping port (II) on dividing plate (18), damping piece (14) is opened damping port (II) with the decline of pressure releasing valve core (13), damping piece (14) stops up damping port (II) with the rising of pressure releasing valve core (13), damping piece (14) has free gap in damping port (II), it is upper that electromagnetic coil (1) is nested in magnetic conduction sleeve pipe (2), and the position on electromagnetic coil (1) is fixed with permanent magnet d(26), the position under electromagnetic coil (1) is fixed with permanent magnet a(4).
In the utility model, electromagnetic coil (1) is nested in the position, stage casing of magnetic conduction sleeve pipe (2), permanent magnet a(4) be loop configuration, permanent magnet c(25) be cylindrical structure, permanent magnet d(26) be loop configuration or cylindrical structure, a permanent magnet or two permanent magnets are arranged in the body of guide rod (3), while in the body of guide rod (3), a permanent magnet being arranged, permanent magnet c(25) be arranged among the top and the interior space in electromagnetic coil (1) of guide rod (3), permanent magnet c(25) upper with electromagnetic coil (1), distance is respectively arranged between lower end mouth, when solenoid valve is opened, permanent magnet c(25 in guide rod (3) body) with electromagnetic coil (1) under permanent magnet a(4) suction mutually, during closed electromagnetic valve, permanent magnet c(25 in guide rod (3) body) with electromagnetic coil (1) on permanent magnet d(26) suction mutually, in the body of guide rod (3) during two permanent magnets, the upper end-hole of electromagnetic coil (1) and permanent magnet d(26) between distance is arranged, the lower end mouth of electromagnetic coil (1) and permanent magnet a(4) between distance is arranged, permanent magnet c(25 in the body of guide rod (3) top) upper end-hole and the permanent magnet d(26 in electromagnetic coil (1)), lower end mouth and permanent magnet a(4 at electromagnetic coil (1)) between guide rod (3) body in permanent magnet b(24 is arranged), when solenoid valve is opened, permanent magnet b(24 in guide rod (3) body) with permanent magnet a(4) inhale mutually, permanent magnet c(25 in while guide rod (3) body) the upper end-hole position in electromagnetic coil (1), during closed electromagnetic valve, permanent magnet c(25 in guide rod (3) body) with permanent magnet d(26) inhale mutually, permanent magnet b(24 in while guide rod (3) body) the lower end mouth position in electromagnetic coil (1).
In the utility model, the bottom of valve body (6) has bottom (16) to carry out shutoff; Upper connecting rod (7) is having free gap in the center of circle through hole of main valve plug (10), and the via hole that interlock sleeve pipe (21) connects on valve body (6) top has free gap; There are annular bayonet socket and rubber cushion a(9 in the upper-end surface of main valve plug (10)), rubber cushion a(9) be fixed rubber cushion a(9 by annular bayonet socket) and with uuper valve chamber (VI) wall body on sealing surface a(8) corresponding matching; There are annular slot and rubber cushion b(20 in the upper end of pressure releasing valve core (13)), rubber cushion b(20) be fixed rubber cushion b(20 by annular slot) and with the sealing surface b(11 of main valve plug (10) lower end surface) corresponding matching.
In above-mentioned model utility, solenoid valve is designed to the following current closed manners, main valve plug (10) and pressure releasing valve core (13) are arranged in lower valve chamber (III), when solenoid valve carries out closing operation, main valve plug (10) and pressure releasing valve core (13) are along the flow direction motion of flowing medium, make easy closure, after closed electromagnetic valve, the rubber cushion a(9 of main valve plug (10) upper end) with the sealing surface a(8 of uuper valve chamber (VI) bead) airtight, the rubber cushion b(20 of pressure releasing valve core (13) upper end) with the sealing surface b(11 of main valve plug (10) lower end) airtight, between lower valve chamber (III) and uuper valve chamber (VI), by main valve plug (10) and pressure releasing valve core (13), isolated, lower valve chamber (III) bears the pressure of flowing medium, the pressure direction of flowing medium is identical with the closing direction of main valve plug (10) and pressure releasing valve core (13), utilize the pressure of flowing medium to make main valve plug (10) and pressure releasing valve core (13) close tighter, the diameter of pressure releasing valve core (13) is less than the diameter of main valve plug (10), make pressure releasing valve core (13) easily be opened, after pressure releasing valve core (13) is opened, lower valve chamber (III) is reduced pressure, make main valve plug (10) smooth opening, between lower valve chamber (III) and fluid input interface (19), buffer cell (I) is set, buffer cell (I) is communicated to lower valve chamber (III) by damping port (II), when closed electromagnetic valve and pressure releasing valve core (13) just opened when lower valve chamber (III) is carried out to pressure release, damping piece (14) is blocked in damping port (II), the free gap in damping port (II) enters into lower valve chamber (III) by damping piece (14) to only have a small amount of flowing medium, thereby the pressure of lower valve chamber (III) is discharged fast, make main valve plug (10) fall open smoothly solenoid valve, damping piece (14) falls along with the whereabouts of main valve plug (10), open damping port (II), make flowing medium enter lower valve chamber (III) by damping port (II) smoothly, subsequently by main valve plug (10) and uuper valve chamber (VI) wall body sealing surface a(8) between the fluid passage (V) that forms enter into uuper valve chamber (VI), by fluid output interface (12), flowed out again.Due to the measure of taking to arrange buffer cell (I), damping port (II) and damping piece (14) between fluid input interface (19) and lower valve chamber (III), at pressure releasing valve core (13) while opening, can make the pressure of lower valve chamber (III) be discharged fast, thereby needn't consider that fluid medium pressure is on opening the impact of main valve plug (10), also make the diameter of main valve plug (10) not be restricted, therefore, the utility model can adapt to high pressure and large flow occasion is used, and produces the permanent magnet maintenance solenoid valve of various voltage withstand class, flow grade.The open operation of the utility model permanent magnet maintenance solenoid valve or closing operation are to take the measure that electromagnetic coil (1) is applied to forward current or back current to realize, it after solenoid valve opens or closes, is the power supply of cutoff solenoid (1), it is to take to make the permanent magnet and permanent magnet a(4 in guide rod (3) body that the opening of solenoid valve keeps) measure of inhaling mutually realizes, it is to take the permanent magnet and permanent magnet d(26 that make guide rod (3) body interior that the closing of solenoid valve keeps) measure of inhaling mutually realizes.During concrete enforcement, permanent magnet b(24 in guide rod (3) body) the N utmost point and permanent magnet c(25) the N utmost point arrange relative to each other, permanent magnet b(24) the N utmost point points to the center of electromagnetic coil (1) upward, permanent magnet c(25) the N utmost point points to the center of electromagnetic coil (1) down, the permanent magnet a(4 at position under electromagnetic coil (1)) the N utmost point points to permanent magnet b(24 upward) the S utmost point, the permanent magnet d(26 at position on electromagnetic coil (1)) the N utmost point point to permanent magnet c(25 down) the S utmost point.In the time will opening solenoid valve, apply forward current to electromagnetic coil (1), make the magnetic force of the lower end generation N polarity of electromagnetic coil (1), upper end produces the magnetic force of S polarity, principle according to two like magnetic poles repel each other, the N polarity magnetic force that electromagnetic coil (1) lower end produces forces permanent magnet b(24) push open downwards, according to the principle that there is a natural attraction between the sexes, the S polarity magnetic force that electromagnetic coil (1) upper end produces forces permanent magnet c(25) attract downwards, thereby driving guide rod (3) moves downward, by upper connecting rod (7), pressure releasing valve core (13) is opened in advance again, lower valve chamber (III) is reduced pressure by pressure release passage (IV), subsequently main valve plug (10) is opened, solenoid valve is opened, after solenoid valve is opened, permanent magnet b(24) with permanent magnet a(4) inhale mutually, keep solenoid valve to open operation, when solenoid valve is opened operation, main valve plug (10) and uuper valve chamber (VI) bead sealing surface a(8) between formation fluid passage, space (V), lower valve chamber (III) is communicated to uuper valve chamber (VI) by fluid passage (V), flowing medium is passed through, when wanting shut electromagnetic valve, apply back current to electromagnetic coil (1), make the magnetic force of the upper end generation N polarity of electromagnetic coil (1), lower end produces the magnetic force of S polarity, principle according to two like magnetic poles repel each other, the N polarity magnetic force that electromagnetic coil (1) upper end produces forces permanent magnet c(25) upwards push open, according to the principle that there is a natural attraction between the sexes, the S polarity magnetic force that electromagnetic coil (1) lower end produces forces permanent magnet b(24) upwards attract, thereby driving guide rod (3) moves upward, drive pressure releasing valve core (13) by upper connecting rod (7) more upwards closed, make closed electromagnetic valve, after closed electromagnetic valve, permanent magnet c(25) with permanent magnet d(26) inhale mutually, keep the closed electromagnetic valve state.The utility model in the specific implementation, can design the solenoid valve of various pressure-bearing specifications and flow, more than the diameter of main valve plug (10) is designed to 12mm, the diameter of pressure releasing valve core (13) is designed to 3-10mm, main valve plug (10) is selected alumina ceramic materials or zirconia ceramics material or metallic material manufacture, when main valve plug (10) selects alumina ceramic materials or zirconia ceramics material to manufacture, the sealing surface a(8 of the upper-end surface of main valve plug (10) and uuper valve chamber (VI) bead) corresponding matching, the lower end surface of main valve plug (10) and pressure releasing valve core (13) corresponding matching, can seal without rubber cushion.
The beneficial effects of the utility model are: a kind of permanent magnet maintenance solenoid valve of design, adopt the following current closed manners, the closing direction of spool is along the flow direction of flowing medium, utilize the pressure of flowing medium to make the closed tight leakage that is difficult for of spool, overcome the shortcoming that conventional solenoid valve easily causes the close easy leakage that is not closed completely.Take to arrange the measure of buffer cell (I), damping port (II) and damping piece (14) between fluid input interface (19) and lower valve chamber (III), thereby needn't consider that fluid medium pressure is on opening the impact of main valve plug (10), also make the diameter of main valve plug (10) not be restricted, adapt to high pressure and large flow occasion and use, produce the solenoid valve of various voltage withstand class, flow grade.The open operation of permanent magnet maintenance solenoid valve of the present utility model or closing operation are to take the measure that electromagnetic coil (1) is applied to forward current or back current to realize, it after solenoid valve opens or closes, is the power supply of cutoff solenoid (1), make simple in structure, after opening or closing, solenoid valve kept by magnetic attraction, do not need electricity consumption to locate spool, energy saving, and make the life-span of coil long.The utility model is adapted at applying in household electrical appliances, weaving, light industry, urban construction industry, meets people's live and work needs.
The accompanying drawing explanation
Accompanying drawing 1 is the permanent magnet maintenance electromagnetic valve structure figure that a permanent magnet is set in guide rod.
In figure: 1. electromagnetic coil, 2. magnetic conduction sleeve pipe, 3. guide rod, 4. permanent magnet a, 5. sealing gasket, 6. valve body, 7. go up connecting rod, 8. sealing surface a, 9. rubber cushion a, 10. main valve plug, 11. sealing surface b, 12. fluid output interfaces, 13. pressure releasing valve cores, 14. damping piece, 16. bottoms, 17. lower links, 18. dividing plates, 19. the fluid input interface, 20. rubber cushion b, 21. interlock sleeve pipes, 22. bonnets, 23. liner, 24. permanent magnet b, 25. permanent magnet c, 26. permanent magnet d; I. buffer cell, II. damping port, III. lower valve chamber, IV. pressure release passage, V. fluid passage, VI. uuper valve chamber.
embodiment
In embodiment shown in embodiment's 1 accompanying drawing 1, permanent magnet maintenance solenoid valve is mainly by valve body (6), magnetic conduction sleeve pipe (2), main valve plug (10), pressure releasing valve core (13) and electromagnetic coil (1) form, wherein, uuper valve chamber (VI) is arranged in valve body (6), lower valve chamber (III) and buffer cell (I), uuper valve chamber (VI) is directly over lower valve chamber (III), the below of lower valve chamber (III) is buffer cell (I), between lower valve chamber (III) and buffer cell (I), dividing plate (18) is arranged, damping port (II) is arranged on dividing plate (18), the via hole of perforation is arranged at the top of valve body (6), the via hole connected is directly over uuper valve chamber (VI), one end of valve body (6) has fluid input interface (19), fluid input interface (19) is communicated to buffer cell (I), buffer cell (I) is communicated to lower valve chamber (III) by damping port (II), the other end of valve body (6) has fluid output interface (12), fluid output interface (12) is communicated to uuper valve chamber (VI), on the crossing wall body of uuper valve chamber (VI) and lower valve chamber (III), sealing surface a(8 is arranged), the bottom of valve body (6) has bottom (16) to carry out shutoff, magnetic conduction sleeve pipe (2) is arranged on the upper-end surface of valve body (6), sealing gasket (5) is arranged between the upper-end surface of the bottom of magnetic conduction sleeve pipe (2) and valve body (6), there is up and down guide rod (3) in the interior space of magnetic conduction sleeve pipe (2), in the body on guide rod (3) top, permanent magnet c(25 is arranged), permanent magnet c(25) be cylindrical structure, when on magnetic conduction sleeve pipe (2), electromagnetic coil being housed, permanent magnet c(25) among the interior space in electromagnetic coil, permanent magnet c(25) and between the upper and lower port of electromagnetic coil distance is respectively arranged, main valve plug (10) is the disc structure, there is through hole in the center of circle of main valve plug (10), the center of circle through hole of main valve plug (10) forms pressure release passage (IV), pressure release passage (IV) periphery of main valve plug (10) lower end surface forms sealing surface b(11), there are annular bayonet socket and rubber cushion a(9 in the upper-end surface of main valve plug (10)), rubber cushion a(9) be fixed rubber cushion a(9 by annular bayonet socket) with uuper valve chamber (VI) wall body on sealing surface a(8) corresponding matching, pressure releasing valve core (13) is cylindrical structure, the center of pressure releasing valve core (13) upper end has upper connecting rod (7) to pick out, the center of pressure releasing valve core (13) lower end has lower link (17) to pick out, there are annular slot and rubber cushion b(20 in the upper end of pressure releasing valve core (13)), rubber cushion b(20) be fixed rubber cushion b(20 by annular slot) with the sealing surface b(11 of main valve plug (10) lower end surface) corresponding matching, main valve plug (10) and pressure releasing valve core (13) are arranged in lower valve chamber (III), the upper connecting rod (7) of pressure releasing valve core (13) is through after the center of circle through hole of main valve plug (10), the via hole connected through valve body (6) top again is connected to the lower end of guide rod (3), perhaps, the via hole that the bottom of guide rod (3) connects through valve body (6) top extend among uuper valve chamber (VI), the upper connecting rod (7) of pressure releasing valve core (13) is through the lower end that is connected to guide rod (3) after the center of circle through hole of main valve plug (10), between main valve plug (10) and guide rod (3), interlock sleeve pipe (21) is arranged, upper connecting rod (7) is having free gap in the center of circle through hole of main valve plug (10), the via hole that interlock sleeve pipe (21) connects on valve body (6) top has free gap, the lower end of the lower link (17) of pressure releasing valve core (13) is connected with damping piece (14), damping piece (14) is arranged in the damping port (II) on dividing plate (18), damping piece (14) is opened damping port (II) with the decline of pressure releasing valve core (13), damping piece (14) stops up damping port (II) with the rising of pressure releasing valve core (13), and damping piece (14) has free gap in damping port (II), electromagnetic coil (1) is nested in the position, stage casing of magnetic conduction sleeve pipe (2), and the position on electromagnetic coil (1) is fixed with permanent magnet d(26), permanent magnet d(26) be loop configuration, position under electromagnetic coil (1) is fixed with permanent magnet a(4), permanent magnet a(4) be loop configuration, when solenoid valve is opened, permanent magnet c(25 in guide rod (3) body) with electromagnetic coil (1) under permanent magnet a(4) suction mutually, during closed electromagnetic valve, the permanent magnet c(25 in guide rod (3) body) with electromagnetic coil (1) on permanent magnet d(26) suction mutually.In the present embodiment, the diameter of main valve plug (10) is 50mm, and the diameter of pressure releasing valve core (13) is 5mm; Main valve plug (10) is selected the stainless steel material manufacture, pressure releasing valve core (13) is selected the stainless steel material manufacture, guide rod (3) and magnetic conduction sleeve pipe (2) are selected engineering plastics or nylon material manufacture, and other parts are selected stainless steel or brass or engineering plastics or nylon material manufacture.
Embodiment shown in embodiment's 2 accompanying drawings 2 is on the basis of the first enforcement, two permanent magnets are set in the body of guide rod (3), the upper end-hole of electromagnetic coil (1) and permanent magnet d(26) between distance is arranged, permanent magnet c(25 in the body of guide rod (3) top) upper end-hole and the permanent magnet d(26 in electromagnetic coil (1)), the lower end mouth of electromagnetic coil (1) and permanent magnet a(4) between distance is arranged, lower end mouth and permanent magnet a(4 at electromagnetic coil (1)) between guide rod (3) body in permanent magnet b(24 is arranged), when solenoid valve is opened, permanent magnet b(24 in guide rod (3) body) with permanent magnet a(4) inhale mutually, permanent magnet c(25 in while guide rod (3) body) the upper end-hole position in electromagnetic coil (1), during closed electromagnetic valve, permanent magnet c(25 in guide rod (3) body) with permanent magnet d(26) inhale mutually, permanent magnet b(24 in while guide rod (3) body) the lower end mouth position in electromagnetic coil (1).In the present embodiment, permanent magnet d(26) be cylindrical structure, be arranged in the body on magnetic conduction sleeve pipe (2) top, permanent magnet a(4) be loop configuration, there is circular groove upper end at valve body (6), permanent magnet a(4) be arranged in groove, permanent magnet a(4) the ring heart axially connects with the via hole directly over uuper valve chamber (VI), the lower end of guide rod (3) is through permanent magnet a(4) the ring heart and the via hole directly over uuper valve chamber (VI) extend among uuper valve chamber (VI), main valve plug (10) and pressure releasing valve core (13) are arranged in lower valve chamber (III), upper connecting rod (7) on pressure releasing valve core (13) is through the lower end that is connected to guide rod (3) after the center of circle through hole of main valve plug (10), between main valve plug (10) and guide rod (3), interlock sleeve pipe (21) is arranged, upper connecting rod (7) has free gap in the center of circle through hole of main valve plug (10), the lower end of guide rod (3) is at permanent magnet a(4) ring reach in the heart in the via hole directly over uuper valve chamber (VI) free gap arranged, in guide rod (3) body, permanent magnet b(24 is arranged) position be limited in the circular groove of valve body (6) upper end, permanent magnet b(24) upper end is under the bottom of magnetic conduction sleeve pipe (2), the extension that sealing gasket (5) are arranged between the bottom of upper end permanent magnet b(24) and magnetic conduction sleeve pipe (2), liner (23) is arranged between lower end permanent magnet b(24) and the diapire of groove.Other technical characteristics of the present embodiment is identical with the first embodiment, repeats no more.
Claims (6)
1. a permanent magnet maintenance solenoid valve, it is characterized in that solenoid valve is mainly by valve body (6), magnetic conduction sleeve pipe (2), main valve plug (10), pressure releasing valve core (13) and electromagnetic coil (1) form, wherein, uuper valve chamber (VI) is arranged in valve body (6), lower valve chamber (III) and buffer cell (I), uuper valve chamber (VI) is directly over lower valve chamber (III), the below of lower valve chamber (III) is buffer cell (I), between lower valve chamber (III) and buffer cell (I), dividing plate (18) is arranged, damping port (II) is arranged on dividing plate (18), the via hole of perforation is arranged at the top of valve body (6), the via hole connected is directly over uuper valve chamber (VI), one end of valve body (6) has fluid input interface (19), fluid input interface (19) is communicated to buffer cell (I), buffer cell (I) is communicated to lower valve chamber (III) by damping port (II), the other end of valve body (6) has fluid output interface (12), fluid output interface (12) is communicated to uuper valve chamber (VI), on the crossing wall body of uuper valve chamber (VI) and lower valve chamber (III), sealing surface a(8 is arranged), magnetic conduction sleeve pipe (2) is arranged on the upper-end surface of valve body (6), and there is up and down guide rod (3) in the interior space of magnetic conduction sleeve pipe (2), in the body of guide rod (3), permanent magnet c(25 is arranged), main valve plug (10) is the disc structure, and there is through hole in the center of circle of main valve plug (10), and the center of circle through hole of main valve plug (10) forms pressure release passage (IV), and pressure release passage (IV) periphery of main valve plug (10) lower end surface forms sealing surface b(11), pressure releasing valve core (13) is cylindrical structure, and the center of pressure releasing valve core (13) upper end has upper connecting rod (7) to pick out, and the center of pressure releasing valve core (13) lower end has lower link (17) to pick out, main valve plug (10) and pressure releasing valve core (13) are arranged in lower valve chamber (III), the upper connecting rod (7) of pressure releasing valve core (13) is through after the center of circle through hole of main valve plug (10), the via hole connected through valve body (6) top again is connected to the lower end of guide rod (3), perhaps, the via hole that the bottom of guide rod (3) connects through valve body (6) top extend among uuper valve chamber (VI), the upper connecting rod (7) of pressure releasing valve core (13) is through the lower end that is connected to guide rod (3) after the center of circle through hole of main valve plug (10), between main valve plug (10) and guide rod (3), interlock sleeve pipe (21) is arranged, the lower end of the lower link (17) of pressure releasing valve core (13) is connected with damping piece (14), damping piece (14) is arranged in the damping port (II) on dividing plate (18), damping piece (14) is opened damping port (II) with the decline of pressure releasing valve core (13), damping piece (14) stops up damping port (II) with the rising of pressure releasing valve core (13), damping piece (14) has free gap in damping port (II), it is upper that electromagnetic coil (1) is nested in magnetic conduction sleeve pipe (2), and the position on electromagnetic coil (1) is fixed with permanent magnet d(26), the position under electromagnetic coil (1) is fixed with permanent magnet a(4).
2. a kind of permanent magnet maintenance solenoid valve according to claim 1, it is characterized in that electromagnetic coil (1) is nested in the position, stage casing of magnetic conduction sleeve pipe (2), permanent magnet a(4) be loop configuration, permanent magnet c(25) be cylindrical structure, permanent magnet d(26) be loop configuration or cylindrical structure, a permanent magnet or two permanent magnets are arranged in the body of guide rod (3), while in the body of guide rod (3), a permanent magnet being arranged, permanent magnet c(25) be arranged among the top and the interior space in electromagnetic coil (1) of guide rod (3), permanent magnet c(25) upper with electromagnetic coil (1), distance is respectively arranged between lower end mouth, when solenoid valve is opened, permanent magnet c(25 in guide rod (3) body) with electromagnetic coil (1) under permanent magnet a(4) suction mutually, during closed electromagnetic valve, permanent magnet c(25 in guide rod (3) body) with electromagnetic coil (1) on permanent magnet d(26) suction mutually,
In the body of guide rod (3) during two permanent magnets, the upper end-hole of electromagnetic coil (1) and permanent magnet d(26) between distance is arranged, the lower end mouth of electromagnetic coil (1) and permanent magnet a(4) between distance is arranged, permanent magnet c(25 in the body of guide rod (3) top) upper end-hole and the permanent magnet d(26 in electromagnetic coil (1)), lower end mouth and permanent magnet a(4 at electromagnetic coil (1)) between guide rod (3) body in permanent magnet b(24 is arranged), when solenoid valve is opened, permanent magnet b(24 in guide rod (3) body) with permanent magnet a(4) inhale mutually, permanent magnet c(25 in while guide rod (3) body) the upper end-hole position in electromagnetic coil (1), during closed electromagnetic valve, permanent magnet c(25 in guide rod (3) body) with permanent magnet d(26) inhale mutually, permanent magnet b(24 in while guide rod (3) body) the lower end mouth position in electromagnetic coil (1).
3. a kind of permanent magnet maintenance solenoid valve according to claim 1, is characterized in that the bottom of valve body (6) has bottom (16) to carry out shutoff.
4. a kind of permanent magnet maintenance solenoid valve according to claim 1, is characterized in that connecting rod (7) is having free gap in the center of circle through hole of main valve plug (10), and the via hole that interlock sleeve pipe (21) connects on valve body (6) top has free gap.
5. a kind of permanent magnet maintenance solenoid valve according to claim 1, there are annular bayonet socket and rubber cushion a(9 in the upper-end surface that it is characterized in that main valve plug (10)), rubber cushion a(9) be fixed rubber cushion a(9 by annular bayonet socket) with uuper valve chamber (VI) wall body on sealing surface a(8) corresponding matching.
6. a kind of permanent magnet maintenance solenoid valve according to claim 1, there are annular slot and rubber cushion b(20 in the upper end that it is characterized in that pressure releasing valve core (13)), rubber cushion b(20) be fixed rubber cushion b(20 by annular slot) with the sealing surface b(11 of main valve plug (10) lower end surface) corresponding matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320461045 CN203363371U (en) | 2013-07-31 | 2013-07-31 | Permanent magnet retaining solenoid valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320461045 CN203363371U (en) | 2013-07-31 | 2013-07-31 | Permanent magnet retaining solenoid valve |
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| Publication Number | Publication Date |
|---|---|
| CN203363371U true CN203363371U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320461045 Withdrawn - After Issue CN203363371U (en) | 2013-07-31 | 2013-07-31 | Permanent magnet retaining solenoid valve |
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| CN (1) | CN203363371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411016A (en) * | 2013-07-31 | 2013-11-27 | 衢州昀睿工业设计有限公司 | Permanent-magnet maintaining-type electromagnetic valve |
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2013
- 2013-07-31 CN CN 201320461045 patent/CN203363371U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411016A (en) * | 2013-07-31 | 2013-11-27 | 衢州昀睿工业设计有限公司 | Permanent-magnet maintaining-type electromagnetic valve |
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