CN104653845B - A kind of self-holding electromagnetic valve - Google Patents
A kind of self-holding electromagnetic valve Download PDFInfo
- Publication number
- CN104653845B CN104653845B CN201510077581.3A CN201510077581A CN104653845B CN 104653845 B CN104653845 B CN 104653845B CN 201510077581 A CN201510077581 A CN 201510077581A CN 104653845 B CN104653845 B CN 104653845B
- Authority
- CN
- China
- Prior art keywords
- core component
- fixed
- self
- core
- electromagnetic valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of self-holding electromagnetic valve, including valve body, inlet and outlet is provided with valve body, the top of valve body is equipped with secured core component, the secured core component by the sleeve pipe of the vertical perforate in center, by made by non-magnetic stainless steel material the first fixed core, by made by soft magnetic materials the second fixed core and one piece of set of permanent magnets into, permanent magnet is arranged between the first fixed core and the second fixed core, and the second fixed core is fixed on the upper end of sleeve pipe, and the first fixed core is fixed on the second fixed core；Movable core component is provided with the sleeve pipe of secured core component, the lower end of the movable core component is engaged with the valve port in valve body, spring is arranged with outside the bottom of movable core component, upper end and the secured core component of the spring offset, and its lower end is offseted with movable core component；Bobbin winder bracket is provided with outside secured core component, winding and coil magnetic guiding frame on the bobbin winder bracket, is provided with.It is an advantage of the current invention that：Simple structure, low cost of manufacture, self-sustaining are in stable condition.
Description
Technical field
The present invention relates to electromagnetic valve manufacturing technology field, a kind of especially self-holding electromagnetic valve.
Background technology
General electromagnetic valve is made up of magnet exciting coil, secured core, compression spring, movable core, valve body etc..Its work is former
Manage and be, when magnet exciting coil no power, the seal head of secured core under the back pressure effect of compression spring and valve inlet medium,
Make valve closing.When being powered to magnet exciting coil, electromagnetic force overcomes the counteracting force of the back pressure of compression spring and valve inlet medium,
Movable core is made to move toward at secured core, until two plane adhesives, now valve is in open mode.Which is only being powered
In the case of could keep the opening of valve, therefore it is big to there is power consumption, the high defect of use cost.
And self-holding electromagnetic valve can be kept it turned on or closed mode under powering-off state, after being once again powered up,
Just can change between opening and closed mode.Existing self-holding electromagnetic valve, is arranged on its self-sustaining structure more
In solenoid, and permanent magnet mostly is two or more than two, such as 02277225.1,200320103854.X,
201010619571.5 using the structure of two pieces of permanent magnets, and when using two or more than two permanent magnet, cost can be double
Even more high.
The Chinese patent for separately having Patent No. 201220167984.9 entitled " a kind of self-holding electromagnetic valve " discloses one
Self-holding electromagnetic valve is planted, which adopts and only arranges one piece of permanent magnet to realize the self-retaining function of electromagnetic valve in coil；But, it is general
Logical permanent magnet can cause magnetic force uneven because high temperature loses magnetic portion in coil injection moulding process, and quality is unstable, and
Manufacturing cost can also be greatly increased using high temperature permanent magnet cost.
There are some electromagnetic valves using two coil configuration to realize self-retaining function, such as 200920126847.9 Hes
201120383164.9；Manufacturing cost can not only be increased using two coil configuration, and processing technique can be made to become complicated.
The content of the invention
The technical problem to be solved is the present situation for prior art, there is provided simple structure, low cost of manufacture,
A kind of in stable condition self-holding electromagnetic valve of self-sustaining.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：
A kind of self-holding electromagnetic valve, including valve body, are provided with inlet and outlet on valve body, wherein, the top assembling of valve body
There is secured core component, the secured core component is by the sleeve pipe of the vertical perforate in center, by made by non-magnetic stainless steel material
First fixed core, by made by soft magnetic materials the second fixed core and one piece of set of permanent magnets into, permanent magnet arrange the first fixed core and
Between second fixed core, the second fixed core is fixed on the upper end of described sleeve pipe, and the first fixed core is fixed on second fixed core
On；Movable core component is provided with the sleeve pipe of secured core component, in the lower end of the movable core component and the valve body
Valve port is engaged, and is arranged with spring outside the bottom of movable core component, and upper end and the secured core component of the spring offset, under which
End is offseted with movable core component；Bobbin winder bracket is provided with outside secured core component, winding is provided with the bobbin winder bracket and coil is led
Magnet stand；Movable core component moves up and down under electromagnetic force control and valve port is opened or is closed.
The technical measures of optimization also include：
Above-mentioned permanent magnet structure in a ring, the bottom of the first fixed core determine ferrum through the center and second of the permanent magnet
Core is mutually fixed.
Offer annular groove on the second above-mentioned fixed core, the top indent of sleeve pipe and be embedded in the annular groove and with
Second fixed core is mutually fixed.
Seal groove is offered on the second above-mentioned fixed core, the seal groove is embedded to be formed with the first sealing ring, and first is close
The periphery of seal is coordinated with the inner wall sealing of described sleeve pipe.
Above-mentioned movable core component is made up of movable core and sealing gasket, and sealing gasket is fixed under the movable core
End, the lower surface of sealing gasket are engaged with the valve port.
The lower end of above-mentioned sealing gasket stretches out to form annular edge, the lower end of spring and the upper surface phase of the annular edge
Support.
The second sealing ring is provided between above-mentioned valve body and described sleeve pipe.
Above-mentioned secured core component is connected with the valve body screw thread.
Shell is provided with outside above-mentioned winding, on the shell, electric plug is provided with.
Connection screw thread is formed with above-mentioned inlet and outlet.
A kind of self-holding electromagnetic valve of the present invention, the top of its valve body are equipped with secured core component, the secured core component
Sleeve pipe by the vertical perforate in center, by made by non-magnetic stainless steel material the first fixed core, by made by soft magnetic materials
Two fixed cores and one piece of set of permanent magnets are into permanent magnet is arranged between the first fixed core and the second fixed core, secured core component
Movable core component is provided with sleeve pipe, the lower end of the movable core component is engaged with the valve port in the valve body, active iron
Spring is arranged with outside the bottom of core assembly；Bobbin winder bracket is provided with outside secured core component, winding and line on the bobbin winder bracket, is provided with
Circle magnetic guiding frame.This electromagnetic valve greatly reduces the manufacturing cost of electromagnetic valve, and permanent magnet is arranged at only with one piece of permanent magnet
Between one fixed core and the second fixed core, overcome permanent magnet and be arranged in coil, can be because high temperature in coil injection moulding process
The defect for losing magnetic portion, it is ensured that the magnetic of permanent magnet, is conducive to the stability of electromagnetic valve self-sustaining state.
When winding moment is positive to be powered, the magnetic force contrary with permanent magnet polarity is produced, makes movable core component up, valve
Mouth is opened, hereafter winding power-off, and movable core component keeps the adhesive with secured core component under the magneticaction of permanent magnet
State so that in the case where winding is not persistently powered, electromagnetic valve can also be remained on, and be saved greatly electric energy；
And during by valve closing, only winding need to be reversely powered, now winding is produced and permanent magnet polarity identical magnetic force, in homopolarity
Property repulsive force and spring force in the presence of, movable core component moves down reset, and valve port is closed, and after winding power-off, valve is protected
Hold in off position.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is I portions enlarged drawing in Fig. 1；
Fig. 3 is the structural representation of secured core component and movable core component in Fig. 1；
Fig. 4 is II enlarged drawing in Fig. 3；
Fig. 5 is structural representation when valve port of the present invention is opened.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
It is the structural representation of the present invention as shown in Figures 1 to 5,
Reference therein is：Valve body 1, connection screw thread 1a, import 11, outlet 12, valve port 13, secured core component 2,
Sleeve pipe 21, the first fixed core 22, the second fixed core 23, annular groove 23a, seal groove 23b, permanent magnet 24, nut 25, activity
Core assembly 3, movable core 31, sealing gasket 32, annular edge 32a, spring 4, bobbin winder bracket 51, winding 52, coil magnetic guiding frame 53,
One sealing ring 61, the second sealing ring 62, shell 71, electric plug 72；The direction of arrow in figure represents media flow direction.
As shown in Figures 1 to 5,
A kind of self-holding electromagnetic valve, including valve body 1, are provided with import 11 and outlet 12, the top dress of valve body 1 on valve body 1
It is furnished with secured core component 2, the secured core component 2 is by the sleeve pipe 21 of the vertical perforate in center, by non-magnetic stainless steel material
Made by the first fixed core 22, the second fixed core 23 and one piece of permanent magnet 24 made by soft magnetic materials constitute, permanent magnet 24 sets
Put between the first fixed core 22 and the second fixed core 23, the second fixed core 23 is fixed on the upper end of described sleeve pipe 21, first determines ferrum
Core 22 is fixed on second fixed core 23；Movable core component 3 is provided with the sleeve pipe 21 of secured core component 2, the work
The lower end of dynamic iron core component 3 is engaged with the valve port 13 in the valve body 1, is arranged with spring outside the bottom of movable core component 3
4, upper end and the secured core component 2 of the spring 4 offset, and its lower end is offseted with movable core component 3；Outside secured core component 2
Bobbin winder bracket 51 is provided with, winding 52 and coil magnetic guiding frame 53 on the bobbin winder bracket 51, is provided with；Movable core component 3 is in electromagnetic force control
System is lower to move up and down and valve port 13 is opened or is closed.
Wherein, the second fixed core 23 is made using soft magnetic materials, makes winding 52 form electric magnet after being powered such that it is able to make
Move or move down on movable core component 3.And the first fixed core 22 is made using non-magnetic stainless steel material, could so protect
After card winding 52 charges, it is not short-circuited between the N poles and S poles of the electric magnet of formation.This self-holding electromagnetic valve only uses one piece
Permanent magnet 24, greatly reduces manufacturing cost；Permanent magnet 24 is arranged in secured core component 2 in addition, will not be noted because of coil
High temperature during modeling and cause the partial loss of magnetic force, it is ensured that the magnetic of permanent magnet 24, be conducive to electromagnetic valve powering-off state
The stability of lower self-sustaining state.
Nut 25 is screwed into from top to bottom, is fixed core assembly 2, coil magnetic guiding frame 53, bobbin winder bracket 51 and winding 52
So as to they are fixed.
In embodiment, the structure in a ring of permanent magnet 24, the center of the bottom of the first fixed core 22 through the permanent magnet 24
Mutually fix with the second fixed core 23.
In embodiment, annular groove 23a on the second fixed core 23, is offered, the top indent of sleeve pipe 21 is simultaneously embedded in the annular
Mutually fix with the second fixed core 23 in groove 23a.
When second fixed core 23 is assembled with sleeve pipe 21, first by the top of 23 plug-in-sleeve 21 of the second fixed core, then in ring
The periphery of connected in star 23a applies inward pressure makes 21 indent of sleeve pipe, in the embedded annular groove 23a of 21 indent of sleeve pipe, so that
Together with second fixed core 23 is securely fixed with sleeve pipe 21.
In embodiment, on the second fixed core 23, seal groove 23b is offered, seal groove 23b is embedded, and to be formed with first close
Seal 61, the periphery of the first sealing ring 61 are coordinated with the inner wall sealing of described sleeve pipe 21.
The setting of the first sealing ring 61 ensure that the sealing between the second fixed core 23 and sleeve pipe 21.
In embodiment, movable core component 3 is made up of movable core 31 and sealing gasket 32, and sealing gasket 32 is fixed on the work
The lower end of dynamic iron core 31, the lower surface of sealing gasket 32 are engaged with the valve port 13.
The center of the lower end embedding sealing pad 32 of movable core 31, so that sealing gasket 32 is securely fastened to movable core 31
Lower end.
In embodiment, the lower end of sealing gasket 32 stretches out to form annular edge 32a, the lower end of spring 4 and annular edge 32a
Upper surface offset.
In embodiment, the second sealing ring 62 between valve body 1 and described sleeve pipe 21, is provided with.
In embodiment, secured core component 2 is threadedly coupled with the valve body 1.
When secured core component 2 is screwed into the top of valve body 1 from top to bottom, the second sealing ring 62 is compressed so as to ensure that valve body
Sealing between 1 and secured core component 2；After the completion of secured core component 2 and valve body 1 are assembled, under the second sealing ring 62
Mutually it is close to also form sealing with 1 surface of valve body in surface.
In embodiment, shell 71 is provided with outside winding 52, electric plug 72, the setting of electric plug 72 are provided with the shell 71
For being connected with external power source.
In embodiment, in import 11 and outlet 12, connection screw thread 1a is formed with.The setting of connection screw thread 1a facilitate into and out of
The connection of medium pipeline.
Operation principle：
During closed electromagnetic valve state, as shown in figure 1, movable core component 3 is in decline state, the sealing gasket 32 of its lower end
It is in close contact with valve port 13 and valve port 13 is closed, now medium cannot be from import 11 through the flow direction of valve port 13 outlet 12.
When 52 moment of winding is positive to be powered, produces and 24 opposite polarity magnetic force of permanent magnet, make on movable core component 3
Move, compression spring 4 during moving on movable core component 3, and depart from valve port 13 so that valve port 13 is opened, i.e., at electromagnetic valve
In open mode, now, as shown in figure 5, medium is entered in valve body 1 from import 11, then valve is flowed out from outlet 12 through valve port 13
Body 1.After moving on movable core component 3, you can to stop being powered, under the magneticaction of permanent magnet 24, movable core component 3 begins
It is eventually in propradation and attracted with secured core component 2；Therefore in the case where winding 52 is not persistently powered, electromagnetic valve
Can remain on, so greatly save electric energy, reduce the use cost of equipment.
And during by closed electromagnetic valve, only winding 52 need to be reversely powered, now winding 52 is produced and 24 polarity of permanent magnet
Identical magnetic force, the magnetic pole same sex repel each other, and in the presence of 4 spring force of same polarity repulsive force and spring, movable core component 3 is moved down
Reset and valve port 13 is closed, so as to by closed electromagnetic valve.After 52 power-off of winding, electromagnetic valve keeps in off position, until
Winding 52 is positive again to be powered.
Highly preferred embodiment of the present invention is illustrated, and the various change made by those of ordinary skill in the art or remodeling are not
Can depart from the scope of the present invention.
Claims (10)
1. a kind of self-holding electromagnetic valve, including valve body (1), is provided with import (11) and outlet (12) on described valve body (1), its
It is characterized in that：The top of described valve body (1) is equipped with secured core component (2), and the secured core component (2) is vertically opened by center
The sleeve pipe (21) in hole, by made by non-magnetic stainless steel material the first fixed core (22), second fixed by made by soft magnetic materials
Iron core (23) and one piece of permanent magnet (24) composition, described permanent magnet (24) are arranged on the first fixed core (22) and the second fixed core
(23) between, described the second fixed core (23) is fixed on the upper end of described sleeve pipe (21), and described the first fixed core (22) is solid
On second fixed core (23)；Movable core component is provided with the sleeve pipe (21) of described secured core component (2)
(3), the lower end of the movable core component (3) is engaged with the valve port (13) in the valve body (1), described movable core component
(3) spring (4) is arranged with outside bottom, the upper end and secured core component (2) of the spring (4) offset, its lower end and active iron
Core assembly (3) offsets；Bobbin winder bracket (51) is provided with outside described secured core component (2), be provided with the bobbin winder bracket (51) around
Group (52) and coil magnetic guiding frame (53)；Described movable core component (3) moves up and down under electromagnetic force control and makes valve port
(13) open or close.
2. a kind of self-holding electromagnetic valve according to claim 1, is characterized in that：Described permanent magnet (24) is tied in a ring
Structure, the bottom of described the first fixed core (22) are mutually fixed through the center of the permanent magnet (24) with the second fixed core (23).
3. a kind of self-holding electromagnetic valve according to claim 2, is characterized in that：Open up on described the second fixed core (23)
There is an annular groove (23a), with the second fixed core in the top indent embedded annular groove (23a) of described sleeve pipe (21)
(23) mutually fix.
4. a kind of self-holding electromagnetic valve according to claim 3, is characterized in that：Open up on described the second fixed core (23)
There is a seal groove (23b), the seal groove (23b) is embedded to be formed with the first sealing ring (61), described the first sealing ring (61)
Periphery is coordinated with the inner wall sealing of described sleeve pipe (21).
5. a kind of self-holding electromagnetic valve according to claim 4, is characterized in that：Described movable core component (3) is by living
Dynamic iron core (31) and sealing gasket (32) composition, described sealing gasket (32) is fixed on the lower end of the movable core (31), described
The lower surface of sealing gasket (32) be engaged with the valve port (13).
6. a kind of self-holding electromagnetic valve according to claim 5, is characterized in that：The lower end of described sealing gasket (32) is outside
Extension forms annular edge (32a), and the lower end of described spring (4) is offseted with the upper surface of the annular edge (32a).
7. a kind of self-holding electromagnetic valve according to claim 6, is characterized in that：Described valve body (1) and described sleeve pipe
(21) the second sealing ring (62) is provided between.
8. a kind of self-holding electromagnetic valve according to claim 7, is characterized in that：Described secured core component (2) and institute
State valve body (1) threaded connection.
9. a kind of self-holding electromagnetic valve according to claim 8, is characterized in that：Shell is provided with outside described winding (52)
(71), electric plug (72) is provided with the shell (71).
10. a kind of self-holding electromagnetic valve according to claim 9, is characterized in that：Described import (11) and outlet (12)
On be formed with connection screw thread (1a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077581.3A CN104653845B (en) | 2015-02-13 | 2015-02-13 | A kind of self-holding electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077581.3A CN104653845B (en) | 2015-02-13 | 2015-02-13 | A kind of self-holding electromagnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104653845A CN104653845A (en) | 2015-05-27 |
| CN104653845B true CN104653845B (en) | 2017-04-05 |
Family
ID=53245305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510077581.3A Active CN104653845B (en) | 2015-02-13 | 2015-02-13 | A kind of self-holding electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104653845B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972293B (en) * | 2016-06-29 | 2018-05-18 | 宁波市东瑞流体科技有限公司 | A kind of high energy-saving electromagnetic valve of self-sustaining |
| CN106015641B (en) * | 2016-06-29 | 2018-05-18 | 宁波市东瑞流体科技有限公司 | A kind of high energy-saving electromagnetic valve of piston type self-sustaining |
| CN110397748B (en) * | 2019-08-09 | 2024-08-27 | 东风富士汤姆森调温器有限公司 | Magnetic valve for ventilation of carbon tank |
| CN111166657A (en) * | 2020-02-21 | 2020-05-19 | 张明 | Neurological rehabilitation treatment device |
| CN113639088A (en) * | 2021-08-13 | 2021-11-12 | 河北秦汉电子科技有限公司 | Electromagnetic type gas emergency cut-off valve with double-spring stable structure |
| CN114458816B (en) * | 2022-01-10 | 2024-04-26 | 宁波市安利特机械有限公司 | Pressure-reducing self-locking integrated electromagnetic valve in bottle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204890Y (en) * | 1994-09-23 | 1995-08-09 | 四川东方工业设计研究院 | Dual magnetic controlling valve |
| ITMI20020524A1 (en) * | 2002-03-12 | 2003-09-12 | Ode Officine Di Esino Lario S | ELETTROVALVOLA |
| US7503543B2 (en) * | 2007-02-06 | 2009-03-17 | Kabushiki Kaisha Kawasaki Precision Machinery | Guide body, manufacturing method thereof, and electromagnetic valve device |
| CN204533741U (en) * | 2015-02-13 | 2015-08-05 | 奉化市星宇电子有限公司 | A kind of self-holding electromagnetic valve |
-
2015
- 2015-02-13 CN CN201510077581.3A patent/CN104653845B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104653845A (en) | 2015-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104653845B (en) | A kind of self-holding electromagnetic valve | |
| CN204533741U (en) | A kind of self-holding electromagnetic valve | |
| CN102226480B (en) | Valve head for pulse solenoid valve | |
| CN106032852A (en) | An electromagnetic valve | |
| CN205388179U (en) | High -frequency proportion solenoid valve | |
| CN206036356U (en) | Direct action type high pressure solenoid of big latus rectum | |
| CN203784004U (en) | Directly-operated type electromagnetic directional valve | |
| CN204533744U (en) | A kind of solenoid valve | |
| CN205479639U (en) | Directly move piston solenoid valve | |
| CN108916454B (en) | Big stroke armature closed type energy-saving electromagnetic valve | |
| CN203604712U (en) | Small electromagnetic three-way valve | |
| CN108953742A (en) | A kind of automatically controlled flow valve | |
| CN205244408U (en) | Gas accuse guide formula solenoid valve | |
| CN204201231U (en) | A kind of magnetic control time delay spool | |
| CN208859041U (en) | A kind of low-power consumption energy-saving electromagnetic valve | |
| CN202927149U (en) | Permanent magnet check valve | |
| CN104075016B (en) | High-pressure magnetic non-return valve | |
| CN209196236U (en) | The coil block and solenoid valve of solenoid valve | |
| CN211315122U (en) | Special gas valve for clothes dryer | |
| CN102878323A (en) | Solenoid valve with adjustable flow | |
| CN205877230U (en) | Spool of magnetic valve | |
| TWM496073U (en) | Strong-suction slow-ignition solenoid valve with low power consumption | |
| CN208982743U (en) | A kind of electromagnetic valve of regulating flow quantity | |
| CN206617602U (en) | Fixed pattern stop valve | |
| CN207539421U (en) | A kind of guide electromagnetic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315514, Zhejiang, Ningbo province Fenghua District Jiangkou Street Square Bridge Industrial Zone Hengfeng Road West End Patentee after: XINGYU ELECTRON (NINGBO) CO.,LTD. Address before: 315040, Ningbo, Zhejiang province Fenghua Jiangkou Street Square Bridge Industrial Zone Hengfeng Road West End Patentee before: FENGHUA XINGYU ELECTRONICS Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A self holding solenoid valve Effective date of registration: 20210918 Granted publication date: 20170405 Pledgee: Bank of China Limited by Share Ltd. Fenghua branch Pledgor: XINGYU ELECTRON (NINGBO) Co.,Ltd. Registration number: Y2021330001727 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230808 Granted publication date: 20170405 Pledgee: Bank of China Limited by Share Ltd. Fenghua branch Pledgor: XINGYU ELECTRON (NINGBO) CO.,LTD. Registration number: Y2021330001727 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |