CN2779182Y - Magnetic valve - Google Patents
Magnetic valve Download PDFInfo
- Publication number
- CN2779182Y CN2779182Y CN 200520005010 CN200520005010U CN2779182Y CN 2779182 Y CN2779182 Y CN 2779182Y CN 200520005010 CN200520005010 CN 200520005010 CN 200520005010 U CN200520005010 U CN 200520005010U CN 2779182 Y CN2779182 Y CN 2779182Y
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- cylindrical
- center
- circle
- cylindrical body
- spool
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Abstract
The utility model provides an electromagnetic valve, which comprises an electric magnet, an upper valve body, a sealing diaphragm and a lower valve body, wherein the electric magnet is positioned on the outer top surface of the upper valve body. The upper valve body is a semi-enclosed cavity structure and is connected with the lower valve body through the sealing diaphragm. The utility model is characterized in that a balancing hole is arranged on the sealing diaphragm, positioning posts are arranged on the upper top surface of the inner part of the upper valve body and at a position corresponding to the balancing hole, and cleaning springs are sheathed on the positioning posts. One end of the cleaning springs is inserted to the balancing hole, and in addition, threads are arranged on heads of the positioning posts to adjust the positions of a valve core. Therefore, the pressure of water is controlled, and because the whole body of the utility model uses a structure without screws, the installation is simple and easy. Therefore, the utility model has the advantages of reasonable structure and production cost reduction.
Description
Technical field
The utility model relates to a kind of drum type solenoid valve, is used for the pre-control to potable water.
Background technique
The solenoid valve of Xiao Shouing has a variety of in the market, the edge of the equalizing orifice design of some at the seal membrane sealed mouth arranged, easy slippage when high hydraulic pressure, when hanging down hydraulic pressure, do not open again, make the flow of water little, seal membrane is easy to crack, thereby makes equalizing orifice blocked, also some exists poorly sealed problem, thereby influences the working life of each parts.
The content of model utility
At above-mentioned defective, the purpose of this utility model is to provide a kind of solenoid valve, and it is rational in infrastructure, have automatic cleaning and filtering function,, make that it is easy to assembly, sealability is better also because of adopting the case design of cylinder wresting-in type, improved utilization benefit, and stable, reliable, durable in use.
For achieving the above object, solenoid valve of the present utility model, comprise electromagnet, upper valve body, seal membrane and following valve body, described electromagnet is positioned on the outer end face of described upper valve body, described upper valve body is semi-enclosed cavity body structure, it passes through described seal membrane and is connected with described valve body down, it is characterized in that, on described seal membrane, have equalizing orifice, on end face on the described upper valve body inside, be provided with locating column with the corresponding position of described equalizing orifice, be socketed with the cleaning spring on the described locating column, an end of described cleaning spring is inserted in the described equalizing orifice.
Wherein said electromagnet comprises coil case, the coil roller, coil, the spool tube, seal ring, valve core spring, spool, bottom, seal ring, magnet and lead, described coil case, the coil roller, the spool tube, seal ring, valve core spring, spool, bottom, the center of circle of seal ring is positioned on the same axis, described coil case is a cylindrical semi-enclosed cavity structure, its inner cavity body structure is individual cylindrical, this coil case can have perforate on end face, this perforate penetrates this coil case and is communicated with the cavity of inside, is the passage that two leads (not shown) pass in and out this coil case.The bottom surface of this coil case is provided with and internal cavities opening of a size, by this opening described coil roller of packing into, and on the outer rim of described coil roller, be surrounded by described coil, insert described spool tube in the center of described coil roller, in described spool tube, pack into described valve core spring and described spool, described valve core spring is sleeved on the described spool, the described seal ring of suit on described spool tube successively again, described bottom and described seal ring, also downward from end face, on the one side of internal cavities, magnet is set, this magnet is adsorbed on the center of end face, its radius is less than the internal diameter that is positioned at described coil roller upper concave hole, and certain clearance is arranged with column cap, so that when the coil conduction produces magnetic field, adsorb described spool, so that lift on the seal membrane, thereby conducting water intake and water outlet, and on the outer rim of bottom surface, extend the protuberance of a pair of symmetry laterally, can snap in the bayonet socket of upper valve body outer casing top surface by this protuberance.
Described coil roller is made up of the isolating plate of a cylindrical body and 3 circles, and this cylindrical body and 3 isolating plates are that one constitutes.Wherein two are arranged on this cylindrical two ends up and down, and and end face, also have one to be arranged near upper end isolating plate part, and together have a breach with the isolating plate of upper end, so that coil can pass through to be connected with lead in this breach, the superincumbent separation layer, on isolating plate topmost, also have a through hole,, be connected to the inside of top separation layer so that lead passes this through hole.This cylindrical body has in the center portion and to use a same center of circle, up big and down small and for circular shrinkage pool with penetrate the penetration hole of this cylinder, this shrinkage pool and penetration hole are conductings, and the internal diameter of the penetration hole between middle level isolating plate and the bottom surface isolating plate is less than the internal diameter of the shrinkage pool between middle level isolating plate and the top isolating plate.On the cylindrical outer rim between the middle level of described coil roller isolating plate and the bottom surface isolating plate, be surrounded by described coil.
Described spool tube is a cylindrical body, its vertical section is the T font, can form by column cap and column jecket, described column jecket is hollow and penetrating up and down pipe, described column cap comprises that 3 centers of circle are positioned at the cylindrical body on the same axis, described cylindrical body is that one constitutes, and diameter has nothing in common with each other, and superposes from top to bottom by large, medium and small order.Wherein Zui Xiao cylindrical body inserts in the described column jecket, and the external diameter of described smallest circle cylinder is identical with the internal diameter of described column jecket.Be carved with screw thread on the cylindrical outer surface in the middle of be positioned at, thereby regulate, the position of fixed spool.Described spool tube is inserted in the shrinkage pool and penetration hole of described coil roller from top to bottom, and column cap just snaps in the big shrinkage pool of top.Below between the penetration hole of described spool tube and described coil roller,, be inserted in a small sealing ring by the spool tube, the spool of in column jecket, packing into, this spool by up and down two vary in size, cylindrical body that the center of circle is positioned on the same axis forms, these two cylindrical bodys are that one constitutes, the cylindrical diameter that is positioned at the top is less than the cylindrical diameter that is positioned at the below, this spool is with a described valve core spring on the up little cylindrical body, so that can be pressed in the groove of upper valve body outer casing top surface.Also have, on the column jecket, by below be inserted in a bottom, this bottom is the thin slice of a circle, its radius is slightly less than the internal diameter of described coil case, and have perforate at the center, to pass described column jecket, be inserted in a seal ring by the below more at last, so just formed a complete described electromagnet.
Upper valve body comprises shell and cylinder.This shell is the cylindrical body of an inner hollow, and screw thread and groove are set on the outer surface of cylindrical body vertical direction, and is inserted in seal ring in groove, because the existence of screw thread is a kind of design of wresting-in type, makes installation, maintenance and maintenance become simple; This shell is provided with the " bayonet socket of [" font of two symmetries in the edge of the outer surface that is positioned at the upper end, itself and the described protuberance clamping of electromagnet, also be provided with a projection that makes progress in the center portion of upper surface, this projection is provided with two semi-enclosed circular cavities from top to bottom, in the outer part the internal diameter of cavity greater than inboard, at the cavity internal diameter of its bottom, also be provided with in the center to upper process, penetrate the penetration hole of this shell from top to bottom, the center of circle of the center of circle of this tiny penetration hole and described two semi-enclosed circular cavities is positioned on the same axis; This shell is to next end back cover not, end face in its cavity, to the cylindrical tube that is arranged with a hollow, one end of this cylindrical tube is connected with end face, be positioned on the same axis with the center of circle of penetration hole, be inserted with a cylinder that runs through seal membrane to next end, this cylinder also has a through hole on the vertical direction, on the limit of this cylinder, also be provided with locating column, with the fixing spring that cleans, the downward end of this cleaning spring inserts the equalizing orifice that is arranged on the seal membrane, reaching the purpose of not stopping up this equalizing orifice, and at end face divider wall is set downwards, this divider wall and seal membrane socket.The position that makes progress at the madial wall of cavity pocket of outer cover also is provided with screw thread, is connected with wresting-in type with lower casing.
Seal membrane can be made by rubber material, the centre accompanies copper sheet, the deep trouth that depression is all arranged at upper and lower surface, in the central position of upper surface, upwards a cylindrical body is set, at this cylindrical center the penetration hole that penetrates this cylindrical body and sealing diaphragm is set, so that be inserted on the cylindrical tube that is arranged in cavity pocket of outer cover, play the effect of sealing, to prevent the infiltration of water, in the diaphragm of this cylindrical body periphery recess, accompany the circular copper sheet of one deck, so just make the better effects if of lifting on the seal membrane.In addition, also on this cylindrical limit, on the inner ring of groove a very tiny equalizing orifice is set also, this equalizing orifice penetrates seal membrane, has also penetrated copper sheet, in order to insert described cleaning spring.
Following valve body is made up of lower casing and seal ring, lower casing also is the cylindrical body of a hollow substantially, can be on the side face in this cylindrical body outside, be positioned at the upper end screw thread is set, with being connected of convenient and shell, and the side face hollow out that is positioned at the below, and and this cylindrical bottom surface form water intake together, on inboard cavity wall, place near upper end open is provided with a circle partitioning wall, so that when being inserted into the downward groove of above-mentioned seal membrane, form better sealability, in the cylindrical body of this lower casing, the position that is positioned at the center also is provided with a small cylinder that has penetration hole (this penetration hole is water outlet just) in Vertical direction, it penetrates the bottom surface that is connected with the outer ring cylindrical body downwards, outwards outstanding, and be provided with on the outer surface of the small cylinder outside protruding in one the circle groove, interior suit seal ring, the center of circle of two cylindrical centers of circle and its penetration hole all is positioned on the same axis.
In addition, filter screen is installed also in the water inlet, to prevent entering of sandstone.When work of electromagnet, described magnet adsorbs described spool, thereby the described seal membrane of pull-up makes water intake and water outlet conducting.
Advantage of the present utility model is: because described solenoid valve has the cleaning spring, when described seal membrane moves up and down, can clean described equalizing orifice automatically, and blocked to prevent this equalizing orifice.Also have, on the described column cap screw thread is set, position that can regulating spool, thereby the pressure of control water, this solenoid valve is the pre-control bi-stable function at potable water, be specially adapted to as electronically controlled sanitary fittings, its pulse control has effectively reduced power consumption, thereby has guaranteed long-term serviceability and stable valve performance efficiently.The cooperation of its assembly only needs less space, worm structure is used in many places, adopt the design of wresting-in type, thereby make installation, maintenance and maintenance become simpler, general other product is when installation and control valve separately, be to need to live valve seat, this product has then saved above-mentioned trouble, have mobile performance, meet the demand of general sanitary fittings, also increased working life through optimizing, Security, the reliability of solenoid valve have been improved, it is durable that product is stablized, thereby improved productivity effect and use value, helps applying.
Description of drawings
Fig. 1 is an apparent condition schematic representation of the present utility model.
Fig. 2 is an A-A generalized section of the present utility model.
Fig. 3 is the another kind of embodiment's of the utility model a generalized section.
Symbol description
1: outside the coil case; 2: the coil roller;
3: coil 4: the spool tube;
5,9,13,20: seal ring 6: valve core spring;
7: spool 8: bottom;
10: column cap; 11: protuberance;
12: bayonet socket 14: shell (following valve shell);
15: seal membrane; 16: water intake;
17: water outlet 18: lower casing;
19: magnet; 21: electromagnet;
22: perforate (wire guide); 23: cavity;
24: shrinkage pool 25～27: isolating plate;
28: separation layer 29,31,33,38: penetration hole;
30: column jecket 32: cylinder;
34: locating column 35: clean spring;
36: equalizing orifice 37: copper sheet;
39,40: screw thread; 41: upper valve body;
42: following valve body; 43: divider wall
Embodiment
Solenoid valve of the present utility model, its user mode as depicted in figs. 1 and 2, this solenoid valve is made up of electromagnet 21, upper valve body 41, seal membrane 15 and following valve body 42, each several part is formed now be described below respectively.
Electromagnet 21:
Described coil case 1 is a cylindrical cavity body structure, its inner cavity body structure is individual cylindrical, this coil case 1 has perforate 22 on end face, this perforate 22 penetrates this coil case 1 and is communicated with the cavity 23 of inside, is the passage that two leads (not shown) pass in and out this coil case 1.From end face downwards, magnet 19 is set in one side towards internal cavities, this magnet 19 is adsorbed on the center of end face, its radius less than the middle level isolating plate 26 on described coil roller 2 and above the internal diameter of shrinkage pool 24 between the isolating plate 25, and certain clearance is arranged with described column cap 10, so that when coil 3 conductions produce magnetic field, adsorb described spool 7, so that lift on the seal membrane 15, thereby conducting water intake 16 and water outlet 17; The bottom surface blow-by of this coil case 1 has and internal cavities 23 openings of a size, and on the outer rim of bottom surface, extend the protuberance 11 of a pair of symmetry laterally, is snapped in by this protuberance 11 in the bayonet socket 12 of upper valve body shell 14 end faces.
Described coil roller 2 is made up of the isolating plate 25～27 of a cylindrical body and 3 circles, be that one constitutes, two (25,27) wherein are arranged on this cylindrical two ends up and down, and and end face, also have one to be arranged near upper end isolating plate 25 parts, and together have a breach with the isolating plate 25 of upper end, so that coil is by being connected with lead 10 in this breach, the superincumbent separation layer 28, on isolating plate 25 topmost, have a through hole, so that lead passes this through hole, be connected to the inside of top separation layer 28.This cylindrical body has in the center portion and to use a same center of circle, up big and down small and for circular shrinkage pool 24 with penetrate the penetration hole 29 of this cylinder, this shrinkage pool 24 and penetration hole 29 are conductings, and the internal diameter of the penetration hole 29 between middle level isolating plate 26 and the bottom surface isolating plate 27 is less than the internal diameter of the shrinkage pool 24 between middle level isolating plate 26 and the top isolating plate 25.On the cylindrical outer rim between the middle level of described coil roller 2 isolating plate 26 and the bottom surface isolating plate 27, be surrounded by described coil 3.
Described spool tube 4 is a cylindrical body, its vertical section is the T font, form by column cap 10 and column jecket 30, described column jecket 30 is hollow and penetrating up and down pipe, described column cap 10 comprises that 3 centers of circle are positioned at the cylindrical body on the same axis, described cylindrical body is that one constitutes, and diameter has nothing in common with each other, and superposes from top to bottom by large, medium and small order.Wherein Zui Xiao cylindrical body inserts in the described column jecket 30, and the external diameter of described smallest circle cylinder is identical with the internal diameter of described column jecket 30.Be carved with screw thread 40 on the cylindrical outer surface in the middle of be positioned at, thereby regulate, the position of fixed spool 7.Described spool tube 4 is inserted in the shrinkage pool 24 and penetration hole 29 of described coil roller 2 from top to bottom, and column cap 10 just snaps in the big shrinkage pool 24 of top.Below between the penetration hole 29 of described spool tube 4 and described coil roller 2,, be inserted in a small sealing ring 5 by spool tube 4, the spool 7 of in column jecket 30, packing into, this spool 7 by up and down two vary in size, cylindrical body that the center of circle is positioned on the same axis forms, these two cylindrical bodys are that one constitutes, the cylindrical diameter that is positioned at the top is less than the cylindrical diameter that is positioned at the below, this spool 7 is with a described valve core spring 6 on the up little cylindrical body, so that can be pressed in the groove of upper valve body shell 14 end faces.Also have, on the column jecket 30, by below be inserted in a bottom 8, this bottom 8 is the thin slice of a circle, its radius is slightly less than the internal diameter of described coil case 1, and have perforate at the center, to pass described column jecket 30, be inserted in a seal ring 9 by the below more at last, so just formed a complete described electromagnet 21.
Upper valve body 41:
Following valve body 42 is made up of lower casing 18 and seal ring 13, lower casing 18 also is the cylindrical body of a hollow substantially, on the side face in this cylindrical body outside, be positioned at the upper end screw thread is set, with being connected of convenient and shell 14, and the side face hollow out that is positioned at the below, and and this cylindrical bottom surface form water intake 16 together, on inboard cavity wall, place near upper end open is provided with a circle partitioning wall, so that when being inserted into the downward groove of above-mentioned seal membrane 15, form better sealability, in the cylindrical body of this lower casing 18, the position that is positioned at the center also is provided with a small cylinder that has penetration hole (this penetration hole is water outlet 17 just) in Vertical direction, it penetrates the bottom surface that is connected with the outer ring cylindrical body downwards, outwards outstanding, and be provided with on the outer surface of the small cylinder outside protruding in one the circle groove, the center of circle of 13, two cylindrical centers of circle of interior suit seal ring and its penetration hole all is positioned on the same axis.
In addition, 16 places also are equipped with filter screen at water intake, to prevent entering of sandstone.When electromagnet 21 work, the described spool 7 of described magnet 19 absorption, thus the described seal membrane 15 of pull-up makes water intake 16 and water outlet 17 conductings.
Another embodiment as shown in Figure 3 also has automatic cleaning function, compares with the foregoing description, because of lacking seal ring 5, seal ring 9 and bottom 8, so sealability is undesirable, has not just encyclopaedized here.
Claims (8)
1, a kind of solenoid valve, comprise electromagnet, upper valve body, seal membrane and following valve body, described electromagnet is positioned on the outer end face of described upper valve body, described upper valve body is semi-enclosed cavity body structure, it passes through described seal membrane and is connected with described valve body down, it is characterized in that, on described seal membrane, have equalizing orifice, on end face on the described upper valve body inside, be provided with locating column with the corresponding position of described equalizing orifice, be socketed with the cleaning spring on the described locating column, an end of described cleaning spring is inserted in the described equalizing orifice.
2, solenoid valve according to claim 1, it is characterized in that: described electromagnet comprises coil case, the coil roller, coil, the spool tube, seal ring, valve core spring, spool, bottom, seal ring, magnet and lead, described coil case, the coil roller, the spool tube, seal ring, valve core spring, spool, bottom, the center of circle of seal ring is positioned on the same axis, described coil case is a cylindrical semi-enclosed cavity structure, its inner cavity body structure is individual cylindrical, its bottom surface is provided with and internal cavities opening of a size, by this opening described coil roller of packing into, and on the outer rim of described coil roller, be surrounded by described coil, insert described spool tube in the center of described coil roller, in described spool tube, pack into described valve core spring and described spool, described valve core spring is sleeved on the described spool, the described seal ring of suit on described spool tube successively again, described bottom and described seal ring, also downward from end face, on the one side of internal cavities, magnet is set, this magnet is adsorbed on the center of end face, its radius is less than the internal diameter that is positioned at described coil roller upper concave hole, and certain clearance is arranged, and on the outer rim of bottom surface with column cap, extend the protuberance of a pair of symmetry laterally.
3, solenoid valve according to claim 1 and 2, it is characterized in that: the vertical section of described spool tube is the T font, form by column cap and column jecket, described column jecket is hollow and penetrating up and down pipe, described column cap comprises that 3 centers of circle are positioned at the cylindrical body on the same axis, and is carved with screw thread on the outer surface of mediate cylindrical.
4, solenoid valve according to claim 1 is characterized in that: described coil roller is made up of the isolating plate of a cylindrical body and 3 circles, and this cylindrical body and 3 isolating plates are that one constitutes.
5, solenoid valve according to claim 1, it is characterized in that: described upper valve body comprises shell and cylinder, this shell is the semiclosed cylindrical body of an inner hollow, the outer surface of described cylindrical body vertical direction is provided with screw thread and groove, and in described groove, be inserted in seal ring, described shell is provided with the " bayonet socket of [" font of two symmetries in the edge of the outer surface that is positioned at the upper end, the protuberance clamping of this bayonet socket and described electromagnet, also be provided with projection upwards in the center portion of upper surface, this projection is provided with two semi-enclosed circular cavities from top to bottom, the internal diameter of described cavity is greater than the inboard in the outer part, internal diameter at this described cavity in projection bottom, also be provided with to upper process in this projection center, penetrate the penetration hole of this shell from top to bottom, the center of circle of the penetration hole that this is tiny and the center of circle of described semi-enclosed circular cavity are positioned on the same axis; Described shell is having opening to next end, end face in its described cavity, to the cylindrical tube that is arranged with a hollow, one end of this cylindrical tube is connected with end face, and be positioned on the same axis with the center of circle of described penetration hole, be inserted with a cylinder that runs through seal membrane to next end, this cylinder in the vertical direction has a through hole, and divider wall is set downwards at end face, this divider wall and described seal membrane socket also are provided with screw thread in the madial wall of described cavity pocket of outer cover, the position that makes progress.
6, solenoid valve according to claim 1, it is characterized in that: described seal membrane is to be made by rubber material, accompany copper sheet in the centre, the deep trouth that depression is all arranged at upper and lower surface, in the central position of upper surface, upwards a cylindrical body is set, at this cylindrical center the penetration hole that penetrates this cylindrical body and described seal membrane is set, on this cylindrical limit, also be provided with a very tiny equalizing orifice on the inner ring of groove, to insert described cleaning spring.
7, solenoid valve according to claim 1, it is characterized in that: described valve body down is made up of lower casing and seal ring, lower casing is the cylindrical body of a hollow, on the side face in this cylindrical body outside, be positioned at the upper end and be provided with screw thread, and the side face hollow out that is positioned at the below, form water intake together with this cylindrical bottom surface, on inboard cavity wall, place near upper end open is provided with a circle partitioning wall, in the cylindrical body of described lower casing, the position that is positioned at the center also is provided with a small cylinder that has penetration hole in Vertical direction, it penetrates the bottom surface that is connected with the outer ring cylindrical body downwards, outwards outstanding, and be provided with on the outer surface of the small cylinder outside protruding in one the circle groove, the described seal ring of interior suit, the center of circle of two cylindrical centers of circle and its penetration hole all is positioned on the same axis, and described penetration hole is a water outlet.
8, according to claim 1 or 7 described solenoid valves, it is characterized in that: filter screen also is installed in described water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520005010 CN2779182Y (en) | 2005-02-24 | 2005-02-24 | Magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520005010 CN2779182Y (en) | 2005-02-24 | 2005-02-24 | Magnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779182Y true CN2779182Y (en) | 2006-05-10 |
Family
ID=36753270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520005010 Expired - Fee Related CN2779182Y (en) | 2005-02-24 | 2005-02-24 | Magnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2779182Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105242B (en) * | 2006-07-15 | 2010-12-08 | 沈传良 | Adjustable flow distributing and collecting valve electromagnetic rectification means |
| CN104534150A (en) * | 2014-12-24 | 2015-04-22 | 浙江双杰铜业有限公司 | Water heater water input magnetic value |
| CN107360518A (en) * | 2017-07-17 | 2017-11-17 | 佛山市川东磁电股份有限公司 | A kind of rotary double-station electromagnetic switch |
| CN107429850A (en) * | 2015-11-12 | 2017-12-01 | 费斯托股份有限两合公司 | For the valve for the flowing for controlling fluid |
-
2005
- 2005-02-24 CN CN 200520005010 patent/CN2779182Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105242B (en) * | 2006-07-15 | 2010-12-08 | 沈传良 | Adjustable flow distributing and collecting valve electromagnetic rectification means |
| CN104534150A (en) * | 2014-12-24 | 2015-04-22 | 浙江双杰铜业有限公司 | Water heater water input magnetic value |
| CN107429850A (en) * | 2015-11-12 | 2017-12-01 | 费斯托股份有限两合公司 | For the valve for the flowing for controlling fluid |
| CN107429850B (en) * | 2015-11-12 | 2019-10-22 | 费斯托股份有限两合公司 | For controlling the valve of the flowing of fluid |
| CN107360518A (en) * | 2017-07-17 | 2017-11-17 | 佛山市川东磁电股份有限公司 | A kind of rotary double-station electromagnetic switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |