CN205534494U - Electromagnetic coil and cut-off valve - Google Patents
Electromagnetic coil and cut-off valve Download PDFInfo
- Publication number
- CN205534494U CN205534494U CN201620125285.6U CN201620125285U CN205534494U CN 205534494 U CN205534494 U CN 205534494U CN 201620125285 U CN201620125285 U CN 201620125285U CN 205534494 U CN205534494 U CN 205534494U
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- Prior art keywords
- coil
- magnetic
- iron core
- solenoid
- magnet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a solenoid valve technical field especially relates to a solenoid and trip valve, and solenoid includes: the magnetic induction component is provided with the coil, the coil is connected with the power line, and a temperature control switch for controlling the power supply to be switched on and switched off is arranged near the coil; the cut-off valve also comprises a thrust mechanism, a supporting component, a sealing component and a cover body, and the electromagnetic coil is arranged in the cover body; the thrust mechanism penetrates through the fixed iron core and is fixedly connected with the movable iron core, the supporting assembly is fixedly connected with the bottom of the movable iron core, and the sealing assembly is arranged at the bottom of the supporting assembly; the temperature control switch is connected with a power line. The utility model discloses can avoid the coil to lead to the cover body of encapsulation material to melt, damage because the high temperature.
Description
Technical field
This utility model relates to solenoid valve market, especially relates to a kind of solenoid and cut-out
Valve.
Background technology
The resources such as combustion gas and water used in people's life mainly use pipeline to carry, for life
Provide a great convenience, but leak at conveyance conduit, particularly during booster, if not
The supply of combustion gas or water can be cut off rapidly, environment can be polluted, waste resource, even send out
Raw secondary disaster, jeopardizes the safety of people;Therefore, for supplying, the conveying pipe of feed flow
Need on road quick action emergency valve is installed, when conveyance conduit generation booster, valve closing can be closed rapidly
Mouthful, cut off gas or the supply of liquid, it is to avoid result in greater loss;
For ensureing supply safety, the pipeline of conveying flammable explosive gas must be installed and promptly cut
Disconnected valve, can cut out pipeline, to avoid Accidents Disasters to spread in time when meeting with emergency episode.
Gas cut off valve is the safe corollary apparatus of a kind of novel gas pipeline engineering, mainly
It is applied to following occasion: be connected with combustible gas leakage monitoring instrument.When instrument detects can
During the leakage of combustion gas body, automatic quick closedown main supplied gas valve, cuts off the supply of combustion gas, in time
Prevent the generation of serious accident.Limiting temperature (or pressure) safety governor with heat power equipment
It is connected.When in equipment, the temperature of test point or pressure exceed the limiting figure of setting, from
Dynamic quick closedown air-supplying valve, stops the supply of fuel.Central fire-fighting report with skyscraper
Alarm system is connected.When the mansion generation condition of a fire, automatically cut off the gas supply in mansion,
Prevent the generation of gas explosion.In the gas supply pipe network of city or factory, BZCK is set
Gas cut off valve, can centralized Control, long-distance remote control, emergency cut-off in central control room
The pipeline supply of the scene of the accident.
When valve is cut off, and after pipeline principal fault is got rid of, staff needs hand-reset
Time, the most upwards lifting hand-reset bar, hears a sound of " click ", valve quilt completely is described
Open.Now, even if unclamping hands, also will not be cut off.
Stop valve is divided into hand off valve and electronic stop valve, and hand off valve need to manually be grasped
Make, hand off valve in case of emergency cannot quick closedown, Field Force be likely to because of dislike
Bad condition cannot cause hand off valve cannot close pipeline in time near stop valve, it is impossible to
Play the purpose of emergency cut-off pipeline;Electronic stop valve relies on external power to start, and leads to for a long time
Electric coil temperature raises, and easily causes the damage of solenoid, the most easily by mains ripple
Impact, there is closing valve by mistake.
Utility model content
The purpose of this utility model is to provide a kind of solenoid and stop valve, existing to solve
There is hot-wire coil temperature rising present in technology, easily cause the technology that solenoid damages
Problem.
The solenoid that this utility model provides, including magnetic induction assembly, coil, power line
And temp control switch, described magnetic induction assembly is provided with described coil, described coil with
Described power line connects, and is provided with the temperature control controlling power supply opening and closing near described coil
System switch.
Further, described magnetic induction assembly includes magnetic guiding frame, Magnet, pad and magnetic conductive board,
Circulation magnetic field is formed after energising;
Described magnetic induction assembly is provided with symmetrical two group, at two groups of magnetic induction assemblies
Centre is provided with fixed core and dynamic iron core, and described fixed core is arranged on described dynamic iron core top;
The outer wrap of described fixed core and described dynamic iron core has copper sheathing;
Outside copper sheathing, it is provided with annular housing, the periphery of annular housing is provided with magnetic conduction
Frame, the bottom of described magnetic guiding frame is provided with magnetic conductive board, described magnetic conductive board and described magnetic guiding frame shape
Becoming c-type cavity, c-type cavity bottom is set side by side with on Magnet and pad, Magnet and pad
The skeleton being sleeved on outside copper sheathing is just set, and on skeleton, is wound around described coil;
After energising, coil can produce heat, and temp control switch can detect the real-time of coil
Temperature, when the temperature heating coil reaches more than 60 °, can affect the Stability Analysis of Structures of cover body
Property, owing to cover body is the nylon material after melting and solidification, so high temperature resistant property is poor, high temperature meeting
The structure causing cover body is melted;
Therefore, in order to avoid the appearance of the problems referred to above, temp control switch can automatically cut off with
The connection of power supply, makes heating coil stop electrified regulation, and then avoids cover body to melt.
Further, described pad is iron plate;
Described iron plate is provided with multiple, and multiple described iron plates are arranged along string superposition.
Further, described pad is square iron plate;Described Magnet is square magnet;Described
The whole height of pad is identical with the height of described Magnet;Form stable magnetic field.
The stop valve that this utility model provides, including described solenoid, and thrust machine
Structure, a support component, black box and cover body;
Described solenoid is arranged in cover body;Described thrust mechanism through described fixed core with
Described dynamic iron core is fixing to be connected, and described support component is fixed with described dynamic mandrel bottom and be connected,
Described black box is arranged on described support component bottom;
Described temp control switch connects described power line.
Further, described thrust mechanism includes Handleset and plug, and described plug is by hands
Handle assembly separates with fixed core;
When, after gas leakage or other failture evacuation, manual puller handle, handle drives successively
Fixed core, dynamic iron core and a support component move upward, and solenoid group can start normal work
Make.
Further, described support component includes screw rod, spring and bracket, on described screw rod
Portion and described dynamic iron core are fixing to be connected, and described screw rod bottom is circumferentially arranged spring, described
Being provided with bracket bottom screw rod, described bracket can follow the movement that screw rod does in vertical direction;
When solenoid group normally uses, spring is in compressive state, now, and magnetic induction group
Part forms circulation magnetic field with fixed core, dynamic iron core, and magnetic force balances each other mutually with the pulling force of spring,
The bottom surface of described bracket overlaps with the bottom surface of described cover body;
When there is gas leakage situation, alarm gives coil power signal, makes coil produce
Magnetic field, coil magnetic field and magnetic field of magnets cancel each other, and support component is in the downward thrust of spring
Under effect, screw rod drive dynamic iron core and fixed core to move downward, block the inlet end of valve body
Mouthful, play the effect cutting off gas supply.
Further, described cover body is encapsulating material;
Described encapsulating material is the solid frame structure of solidification after nylon material melts;
Nylon material stiff plastic after Rong Rong is high.
Further, described magnetic conductive board is circular slab;
Described magnetic conductive board center offers for moving the hole that iron core passes;
Guarantee when gas leakage or coil temperature are too high, when dynamic iron core down moves, Bu Huiyu
Magnetic conductive board collides.
Further, described cover body lower surface is provided with flange-interface, on described flange-interface
It is evenly arranged with multiple connecting hole;
Bolt and packing ring it is provided with on connecting hole on described flange-interface;
By connecting hole, bolt and packing ring, by the upper surface of cover body lower surface with outside valve body
Fixing connection.
The beneficial effects of the utility model are:
The solenoid that this utility model provides, uses magnetic induction assembly and has temperature control
The power supply of on-off control, after power supply energising, produces heat after the coil heats in magnetic induction assembly
Amount, temp control switch can detect the temperature after coil heats, when temperature exceedes necessarily
During limit value, temp control switch can automatically cut off the connection with power line, stops coil and adds
Heat, can prevent unnecessary parts from damaging.
The stop valve that this utility model provides, including solenoid and valve body, during use, electricity
Magnetic coil and valve body are connected by the bolt of flange-interface is fixing, when combustion gas normally supply, nothing
During leakage, skeleton, pad, Magnet, magnetic conductive board with magnetic guiding frame relative to fixed core and dynamic iron core
Forming circulation magnetic field, fixed core and dynamic iron core are also subject to the compression of the spring of a support component simultaneously
Elastic force, now, dynamic iron core had both born the suction of fixed core, also subject to magnetic field magnetic force,
The compression elasticity of spring, dynamic iron core stress balance, bracket is concordant with the end face of flange-interface;
When combustion gas has leakage, switching on power, the magnetic force in magnetic field mutually supports with the magnetic force of hot-wire coil
Disappear, although dynamic iron core is still subject to the suction of fixed core, but this suction is far smaller than described screw rod
By the downward thrust of spring, dynamic iron core moves downward, and now black box is followed
Bracket and screw rod move downward, black box just with the face seal of valve body, play and cut
Disconnected effect;
It addition, when combustion gas normally supplies, leakage occurs, power supply is energized, and coil is at one section
After the electrified regulation of time, temp control switch can detect the temperature of coil in real time, adds
When hot temperature exceedes uniform temperature, temp control switch can automatically cut off the connection with power supply,
The suction now moving the fixed core that iron core receives is far smaller than downward the drawing that spring gives
Power effect, dynamic iron core moves downward, and now bracket followed by black box and screw rod moves downward,
Black box just with the face seal of valve body, play the effect of cut-out.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or of the prior art
Technical scheme, below by use required in detailed description of the invention or description of the prior art
Accompanying drawing is briefly described, it should be apparent that, the accompanying drawing in describing below is this utility model
Some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the stop valve that Fig. 1 provides for this utility model;
Structural representation when Fig. 2 coordinates with gas valve body for the stop valve that this utility model provides
Figure.
Reference:
1-protective cover;2-Handleset;3-plug;
4-fixed core;5-skeleton;6-moves iron core;
7-magnetic guiding frame;8-copper sheathing;9-Magnet;
10-pad;11-magnetic conductive board;12-screw rod;
13-spring;14-bracket;15-diaphragm;
16-power line;17-temp control switch;18-bolt;
19-packing ring;20-encapsulating material.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely retouched
State, it is clear that described embodiment is a part of embodiment of this utility model rather than complete
The embodiment in portion.Based on the embodiment in this utility model, those of ordinary skill in the art exist
Do not make the every other embodiment obtained under creative work premise, broadly fall into this reality
By novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ", D score,
"left", "right", " vertically ", " level ", " interior ", " outward " etc. instruction orientation or position relationship be based on
Orientation shown in the drawings or position relationship, be for only for ease of description this utility model and simplification
Describe rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that
Instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clear and definite regulation
And restriction, term " is installed ", " being connected ", " connection " should be interpreted broadly, for example, it may be
Fixing connection, it is also possible to be to removably connect, or be integrally connected;Can be to be mechanically connected,
It can also be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, may be used
Above-mentioned term concrete meaning in this utility model is understood with concrete condition.
The structural representation of the stop valve that Fig. 1 provides for this utility model;
Structural representation when Fig. 2 coordinates with gas valve body for the stop valve that this utility model provides
Figure.
Embodiment 1
As it is shown in figure 1, the solenoid that the present embodiment provides, including: magnetic induction assembly,
Coil, power line 16 and temp control switch 17, magnetic induction assembly is provided with coil,
Coil is connected with power line 16, and is provided with the temperature controlling power supply opening and closing near coil
Control switch 17.
In the alternative of the present embodiment, magnetic induction assembly include magnetic guiding frame 7, Magnet 9,
Pad 10 and magnetic conductive board 11, form circulation magnetic field after energising;
Magnetic induction assembly is provided with symmetrical two group, in the centre of two groups of magnetic induction assemblies
Being provided with fixed core 4 and dynamic iron core 6, fixed core 4 is arranged on dynamic iron core 6 top;
The outer wrap of fixed core 4 and dynamic iron core 6 has copper sheathing 8;
Outside copper sheathing 8, it is provided with annular housing, the periphery of annular housing is provided with and leads
Magnet stand 7, the bottom of magnetic guiding frame 7 is provided with magnetic conductive board 11, magnetic conductive board 11 and magnetic guiding frame 7
Forming c-type cavity, c-type cavity bottom is set side by side with Magnet 9 and pad 10, Magnet 9
It is provided above, with pad 10, the skeleton 5 that is sleeved on outside copper sheathing 8, and is wound around on skeleton 5
Coil;
After energising, heating coil can produce heat, and temp control switch 17 can detect line
The real time temperature of circle, when the temperature heating coil reaches more than 60 °, temp control switch
17 can automatically cut off the connection with power supply, make heating coil stop electrified regulation, and then avoid
Unnecessary damage.
In the alternative of the present embodiment, pad 10 is square iron plate, and Magnet 9 is square
Magnet, the whole height of pad 10 is identical with the height of Magnet 9, forms stable magnetic field.
Embodiment 2
The present embodiment provides the electromagnetic valve of a kind of all technical characteristic with embodiment 1, also
Including: thrust mechanism, a support component, black box and cover body;
Solenoid is arranged in cover body;Thrust mechanism is solid with dynamic iron core 6 through fixed core 4
Fixed connection, a support component is fixing with bottom dynamic iron core 6 to be connected, and black box is arranged on support
Component bottom;
Temp control switch is directly connected to power line 16, controls the opening and closing of power supply.
In the alternative of the present embodiment, thrust mechanism includes Handleset 2 and plug 3,
Handleset 2 is separated by plug 3 with fixed core 4;
When, after gas leakage or other failture evacuation, manual puller handle, handle drives successively
Fixed core 4, dynamic iron core 6 and a support component move upward, and solenoid can start normally
Work.
In the alternative of the present embodiment, a support component includes screw rod 12, spring 13 and torr
Frame 14, screw rod 12 top is fixing with dynamic iron core 6 to be connected, and screw rod 12 bottom circumferentially sets
Being equipped with spring 13, be provided with bracket 14 bottom screw rod 12, bracket 14 can follow screw rod 12
Do the movement in vertical direction;
When solenoid normally uses, spring 13 is in compressive state, now, and magnetic induction
Forming magnetic field of magnets and coil magnetic field in assembly, magnetic force balances each other mutually with the pulling force of spring 13,
The bottom surface of bracket 14 overlaps with the bottom surface of cover body;
When gas leakage situation occurs, switch on power, magnetic field of magnets and the magnetic field of hot-wire coil
Cancelling each other, support component, under the downward thrust of spring 13, is driven by screw rod 12
Dynamic iron core 6 and fixed core 4 move downward, and block the air inlet port of valve body, play cut-out combustion
The effect of gas supply.
In the alternative of the present embodiment, cover body is encapsulating material 20;
The solid frame structure that encapsulating material 20 solidifies after melting for nylon material;
Nylon material stiff plastic after Rong Rong is high.
In the alternative of the present embodiment, magnetic conductive board 11 is circular slab;
Magnetic conductive board 11 center offers for moving the hole that iron core 6 passes;
Guarantee when gas leakage or coil temperature are too high, when dynamic iron core 6 down moves, will not
Collide with magnetic conductive board 11.
In the alternative of the present embodiment, cover body lower surface is provided with flange-interface, and flange connects
Multiple connecting hole it is evenly arranged with on Kou;
Bolt 18 and packing ring 19 it is provided with on connecting hole on flange-interface;
By connecting hole, bolt 18 and packing ring 19, by cover body lower surface and outside valve body
Upper surface is fixing to be connected.
Embodiment 3
The stop valve that the present embodiment provides, including all technical characteristics of above-described embodiment 2,
Also include the following features:
In the alternative of the present embodiment, bottom bracket 14, it is additionally provided with diaphragm 15, diaphragm
15 for the sealing with valve body end face;
Diaphragm 15 inside center is provided with groove, for bracket 14 bottom interlocking fixing,
Concurrently form outer projection portion, between diaphragm 15 outer face and lobe, be provided with warp architecture,
When lobe and valve body end face seal, this warp architecture is stretched in place, and increases diaphragm 15
Pliability.
In the alternative of the present embodiment, Handleset is outside equipped with protective cover 1.
The solenoid that this utility model provides, uses magnetic induction assembly and has temperature control
The power supply of switch 17 control, after power supply energising, produces after the coil heats in magnetic induction assembly
Heat amount, temp control switch 17 can detect the temperature after coil heats, work as temperature
During more than a threshold value, temp control switch 17 can automatically cut off the connection with power line,
Stop coil heats, can prevent unnecessary parts from damaging.
The stop valve that this utility model provides, including solenoid and valve body, during use, electricity
Magnetic coil is connected by the bolt 18 of flange-interface is fixing with valve body, when combustion gas normally supplies,
Magnet 9 produces magnetic field, and fixed core 4 and dynamic iron core 6 are also subject to the spring propping up support component simultaneously
The compression elasticity of 13, now, dynamic iron core 6 had both born the suction of fixed core 4, also
Bear magnetic force and the compression elasticity of spring 13 in magnetic field, dynamic iron core 6 stress balance, bracket
14 is concordant with the end face of flange-interface;When combustion gas has leakage, switch on power, dynamic iron core 6
It is still subject to the suction of fixed core 4, but this suction is far smaller than screw rod 12 by spring 13
Downward pulling force effect, dynamic iron core 6 moves downward, and now bracket 14 followed by black box
And screw rod 12 moves downward, black box just with the face seal of valve body, i.e. film
Sheet 15 and the face seal of valve body, play the effect of cut-out.
It addition, after combustion gas normally supplies, gas leakage, power supply is energized, and coil is at one section
After the electrified regulation of time, temp control switch 17 can detect the temperature of coil in real time,
When heating-up temperature exceedes uniform temperature, temp control switch 17 can automatically cut off and power supply
Connect, be equivalent to electromagnetic coil assembly and dump, the fixed core that dynamic iron core 6 receives
The suction of 4 is far smaller than the downward thrust that spring 13 gives, and dynamic iron core 6 is downward
Motion, now bracket 14 followed by black box and screw rod 12 moves downward, and diaphragm 15 is firm
Get well and the face seal of valve body, play the effect of cut-out.
It is last it is noted that various embodiments above is only in order to illustrate technology of the present utility model
Scheme, is not intended to limit;Although this utility model being carried out with reference to foregoing embodiments
Detailed description, it will be understood by those within the art that: it still can be to aforementioned
Technical scheme described in each embodiment is modified, or to the most some or all of skill
Art feature carries out equivalent;And these amendments or replacement, do not make appropriate technical solution
Essence depart from this utility model each embodiment technical scheme scope.
Claims (10)
1. a solenoid, it is characterised in that including: magnetic induction assembly, coil,
Power line and temp control switch, described magnetic induction assembly is provided with described coil, described
Coil is connected with described power line, and is provided with control power supply opening and closing near described coil
Temp control switch.
A kind of solenoid the most according to claim 1, it is characterised in that: described magnetic
Inductive component includes magnetic guiding frame, Magnet, pad and magnetic conductive board, forms circulation magnetic field after energising;
Described magnetic induction assembly is provided with symmetrical two group, at two groups of magnetic induction assemblies
Centre is provided with fixed core and dynamic iron core, and described fixed core is arranged on described dynamic iron core top;
The outer wrap of described fixed core and described dynamic iron core has copper sheathing;
Outside copper sheathing, it is provided with annular housing, the periphery of annular housing is provided with magnetic conduction
Frame, the bottom of described magnetic guiding frame is provided with magnetic conductive board, described magnetic conductive board and described magnetic guiding frame shape
Becoming c-type cavity, c-type cavity bottom is set side by side with on Magnet and pad, Magnet and pad
The skeleton being sleeved on outside copper sheathing is just set, and on skeleton, is wound around described coil.
A kind of solenoid the most according to claim 2, it is characterised in that: described pad
Sheet is iron plate;
Described iron plate is provided with multiple, and multiple described iron plates are arranged along string superposition.
A kind of solenoid the most according to claim 2, it is characterised in that: described pad
Sheet is square iron plate;
Described Magnet is square magnet;
The whole height of described pad is identical with the height of described Magnet.
5. a stop valve, it is characterised in that: include described in any one of claim 2-4
Solenoid, and thrust mechanism, a support component, black box and cover body;
Described solenoid is arranged in cover body;Described thrust mechanism through described fixed core with
Described dynamic iron core is fixing to be connected, and described support component is fixed with described dynamic mandrel bottom and be connected,
Described black box is arranged on described support component bottom;
Described temp control switch connects power line.
A kind of stop valve the most according to claim 5, it is characterised in that: described thrust
Mechanism includes that Handleset is separated by Handleset and plug, described plug with fixed core.
A kind of stop valve the most according to claim 5, it is characterised in that: described support
Assembly includes screw rod, spring and bracket, and described screw rod top is fixing with described dynamic iron core to be connected,
Described screw rod bottom is circumferentially arranged spring, is provided with bracket bottom described screw rod, described
Bracket can follow the movement that screw rod does in vertical direction.
A kind of stop valve the most according to claim 5, it is characterised in that: described cover body
For encapsulating material;
Described encapsulating material is the solid frame structure of solidification after nylon material melts.
A kind of stop valve the most according to claim 5, it is characterised in that: described magnetic conduction
Plate is circular slab;
Described magnetic conductive board center offers for moving the hole that iron core passes.
A kind of stop valve the most according to claim 5, it is characterised in that: described cover
Body lower surface is provided with flange-interface, and described flange-interface is evenly arranged with multiple connection
Hole;
Bolt and packing ring it is provided with on connecting hole on described flange-interface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620125285.6U CN205534494U (en) | 2016-02-17 | 2016-02-17 | Electromagnetic coil and cut-off valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620125285.6U CN205534494U (en) | 2016-02-17 | 2016-02-17 | Electromagnetic coil and cut-off valve |
Publications (1)
Publication Number | Publication Date |
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CN205534494U true CN205534494U (en) | 2016-08-31 |
Family
ID=56777659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201620125285.6U Expired - Fee Related CN205534494U (en) | 2016-02-17 | 2016-02-17 | Electromagnetic coil and cut-off valve |
Country Status (1)
Country | Link |
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CN (1) | CN205534494U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108223837A (en) * | 2017-08-28 | 2018-06-29 | 河南航天液压气动技术有限公司 | A kind of solenoid valve |
-
2016
- 2016-02-17 CN CN201620125285.6U patent/CN205534494U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108223837A (en) * | 2017-08-28 | 2018-06-29 | 河南航天液压气动技术有限公司 | A kind of solenoid valve |
CN108223837B (en) * | 2017-08-28 | 2019-11-08 | 河南航天液压气动技术有限公司 | A kind of solenoid valve |
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Granted publication date: 20160831 Termination date: 20180217 |