CN204372226U - A kind of solenoid valve - Google Patents
A kind of solenoid valve Download PDFInfo
- Publication number
- CN204372226U CN204372226U CN201420865447.0U CN201420865447U CN204372226U CN 204372226 U CN204372226 U CN 204372226U CN 201420865447 U CN201420865447 U CN 201420865447U CN 204372226 U CN204372226 U CN 204372226U
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- China
- Prior art keywords
- seat
- valve
- air outlet
- guide
- pilot valve
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Abstract
The utility model provides a kind of solenoid valve, belongs to fluid control elements field, comprises seat and micro pilot valve in valve body, spool, guide.In guide, seat is connected with valve body, and in guide, seat is provided with groove near one end of valve body, is provided with for promoting seat piston in spool in groove.In guide, seat is provided with inlet hole and air outlet hole, and when micro pilot valve switches on power, the internal cavities of inlet hole, micro pilot valve, air outlet hole and groove can form the gas circuit path of connection.The solenoid valve that the utility model provides reduces manufacture cost, has saved the energy, has optimized structure simultaneously, and assembling is simple, improves assembly qualified rate.
Description
Technical field
The utility model relates to fluid control elements field, in particular to a kind of solenoid valve.
Background technique
Solenoid valve is the industry equipment by Electromagnetic Control, is used to the automation foundation element controlling fluid.The pilot section of current industrial conventional a kind of solenoid valve comprises independently pilot valve and high-power coil.But the guide of this solenoid valve, coil part volume are comparatively greatly, and it is comparatively large that guide moves iron core pressure, and opening dynamic iron core needs larger electric current, and thus use raw material are more, and coil power is high, and cost of production is high; And in coil, guide, first pressure guide plate, guide, seat is individual part, and need connect one by one during assembling, assembly process is more, not only consuming time but also easily cause leakage.
Model utility content
The utility model provides a kind of solenoid valve, and be intended to improve existing solenoid valve and use raw material more, coil power is high, and cost of production is high, and assembly process is more, not only consuming time but also easily cause the problem of leakage.
The utility model is achieved in that
A kind of solenoid valve, comprise valve body and the spool being arranged at described valve inner, described solenoid valve also comprises seat and micro pilot valve in guide;
In described guide, seat is connected with described valve body, and in described guide, seat is provided with groove near one end of described valve body, is provided with for promoting seat piston in described spool in described groove;
In described guide, seat is provided with inlet hole and air outlet hole, and when described micro pilot valve switches on power, the internal cavities of described inlet hole, described micro pilot valve, described air outlet hole and described groove can form the gas circuit path of connection.
Further, described micro pilot valve comprises pilot valve valve seat, guide's valve plunger and the pilot valve coil for controlling the action of described guide's valve plunger;
Described pilot valve valve seat is provided with intake duct and air outlet channel, one end of described intake duct is communicated with described inlet hole, the other end is communicated with the internal cavities of described micro pilot valve, one end of described air outlet channel is communicated with described air outlet hole, the other end is provided with the gas port that can be communicated with the internal cavities of described micro pilot valve, and described guide's valve plunger can close described gas port;
When described guide's valve plunger moves, the internal cavities of described inlet hole, described intake duct, described micro pilot valve, described air outlet channel, described air outlet hole and described groove can form the gas circuit path of connection.
By arranging described pilot valve valve seat, described guide's valve plunger and described guide's valve plunger in described micro pilot valve, when described guide's valve plunger is energized, described dynamic iron core action, described gas port is opened, make the internal cavities of described inlet hole, described intake duct, described micro pilot valve, described air outlet channel, described air outlet hole and described groove can form the gas circuit path of connection, thus pressurized air promotes the described middle seat piston in described groove, described middle seat piston promotes described spool, realizes the commutation of described spool.
Further, in described guide, seat is provided with passage and can closes the middle seat manual opening stem of described inlet hole and described air outlet hole, described middle seat manual opening stem can slide in described passage, and described passage is communicated with described inlet hole, described intake duct, described air outlet hole, described air outlet channel respectively.
By arranging described middle seat manual opening stem, even if when no electric circuit, make pressurized air not by described micro pilot valve, also described inlet hole can be made to be communicated with described air outlet hole, thus promote described middle seat piston, make described middle seat piston promote described spool, realize the commutation of described spool.Even if ensure that described micro pilot valve breaks down or when described micro pilot valve cannot be energized, also can manually operate the commutation realizing described spool.
Further, the front end of described middle seat manual opening stem is provided with the first projection for closing described air outlet hole, and the rear end of described middle seat manual opening stem is provided with the second projection for closing described inlet hole.
By arranging described first projection and described second projection, described middle seat manual opening stem is enable to close described air outlet hole and described inlet hole respectively.
Further, described first projection and described second projection are annular.Described first projection and described second projection are all set to annular, even if there is axial rotation in described middle seat manual opening stem in slip, described first projection and described second projection also can close described air outlet hole and described inlet hole well respectively, avoid causing leaking and affecting spool commutation described in Non-follow control.
Further, described first projection and described second projection are provided with circular groove, are provided with elastic component in described circular groove.By arranging described elastic component, while realizing described middle seat manual opening stem slip, the effect of sealing can be played well, avoid leaking and affecting spool commutation described in Non-follow control.
Further, in described guide, seat is being provided with the first airtube corresponding to the position between described first projection and described second projection, and the two ends of described first airtube are communicated with described passage, described intake duct respectively;
In described guide, the position of the front end of the corresponding described middle seat manual opening stem of seat is provided with the second airtube, and the two ends of described second airtube are communicated with described passage, described air outlet channel respectively.
Under normal circumstances, spacing between described first projection of described middle seat manual opening stem and described second projection is equal with the spacing between described air outlet hole and described inlet hole, when described middle seat manual opening stem slides in described passage, simultaneously described first projection and described second projection close described air outlet hole and described inlet hole respectively, by arranging described first airtube and described second airtube, when described middle seat manual opening stem is slided in described passage, achieve described inlet hole, described passage, described first airtube, described intake duct, the internal cavities of described micro pilot valve, described air outlet channel, described second airtube, described air outlet hole and described groove can form the gas circuit path of connection.
Further, described middle seat piston is circumferentially provided with middle seat piston ring.By arranging described middle seat piston ring, can seal described middle seat piston, avoiding leaking and the normal use of impact.
Further, described valve body is two-position five-way valve.Enable described solenoid valve be widely used on the mechanical device of factory, realize hydraulic control flow direction.
Further, in described guide, seat is provided with some locating columns, described valve body is provided with the locating slot coordinated with described locating column.By arranging described locating column and described locating slot, being convenient to locate between seat and described valve body in described guide, being convenient to assemble.
The utility model provides a kind of solenoid valve, and solenoid valve arranges valve body and spool, is also provided with seat and micro pilot valve in guide.In guide, seat is connected with valve body, and in guide, seat is provided with groove near one end of valve body, is provided with for promoting seat piston in spool in groove.In guide, seat is provided with inlet hole and air outlet hole, and when micro pilot valve switches on power, the internal cavities of inlet hole, micro pilot valve, air outlet hole and groove can form the gas circuit path of connection.
When using this solenoid valve, micro pilot valve after powered up, the internal cavities of inlet hole, micro pilot valve, air outlet hole and groove can form the gas circuit path of connection, now air flows in groove from the internal cavities of inlet hole, micro pilot valve, air outlet hole successively, promote the middle seat piston in groove, and then promotion spool, realize the commutation of spool.Micro pilot valve after a loss of power, valve core reset.
Therefore the solenoid valve that provides of the utility model is owing to have employed micro pilot valve, optimize gas circuit structure, volume is less, use pressure less, achieve and only can open micro pilot valve with low-power coil, thus realize spool commutation, therefore this solenoid valve reduces manufacture cost, reduce energy consumption, saved the energy, reduced user cost.Further, while can meeting usage requirement, optimize structure, assembling is simple, improves assembly qualified rate.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the solenoid valve that Fig. 1 provides for the utility model embodiment 1;
The structural representation of the solenoid valve that Fig. 2 provides for the utility model embodiment 2;
The structural representation of seat in the micro pilot valve of the solenoid valve that Fig. 3 provides for the utility model embodiment 2 and guide;
The structural representation of seat manual opening stem in the solenoid valve that Fig. 4 provides for the utility model embodiment 2;
The overall structure schematic diagram of the solenoid valve that Fig. 5 provides for the utility model embodiment 2.
Reference character gathers:
Valve body 101; Spool 102; Locating slot 103; Returnning spring 104;
Seat 201 in guide; Groove 202; Middle seat piston 203; Inlet hole 204; Air outlet hole 205; Passage 206; Middle seat manual opening stem 207; First projection 208; Second projection 209; Elastic component 210; First airtube 211; Second airtube 212; Middle seat piston ring 213; Locating column 214;
Micro pilot valve 301; Pilot valve valve seat 302; Guide's valve plunger 303; Pilot valve coil 304; Intake duct 305; Air outlet channel 306; Gas port 307.
Embodiment
The present utility model people finds in the process of research solenoid valve, and guide, the coil part volume of existing solenoid valve are comparatively large, and it is larger that guide moves iron core pressure, open dynamic iron core and need larger electric current, thus use raw material more, coil power is high, and cost of production is high; And in coil, guide, first pressure guide plate, guide, seat is individual part, and need connect one by one during assembling, assembly process is more, not only consuming time but also easily cause leakage.
Given this, the present utility model people devises a kind of solenoid valve with micro pilot valve 301, in guide seat 201 groove 202 in arrange in seat piston 203, the action of middle seat piston 203 is controlled by micro pilot valve 301, after powered up, air flows in groove 202 from the internal cavities of inlet hole 204, micro pilot valve 301, air outlet hole 205 micro pilot valve 301 successively, promotes the middle seat piston 203 in groove 202, and then promote spool 102, realize the commutation of spool 102.This solenoid valve, owing to have employed micro pilot valve 301, reduces manufacture cost, reduces energy consumption, has saved the energy, has reduced user cost; While can meeting usage requirement, optimize structure, assembling is simple, improves assembly qualified rate.
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
The structural representation of the solenoid valve that Fig. 1 provides for the utility model embodiment 1; Refer to Fig. 1, the utility model example 1 provides a kind of solenoid valve, and this solenoid valve comprises valve body 101 and is arranged at the spool 102 of valve body 101 inside, and solenoid valve also comprises seat 201 and micro pilot valve 301 in guide.In guide, seat 201 is connected with valve body 101, and in guide, seat 201 is provided with groove 202 near one end of valve body 101, is provided with for promoting seat piston 203 in spool 102 in groove 202.In guide, seat 201 is provided with inlet hole 204 and air outlet hole 205, and when micro pilot valve 301 switches on power, the internal cavities of inlet hole 204, micro pilot valve 301, air outlet hole 205 and groove 202 can form the gas circuit path of connection.
Spool 102 is provided with Returnning spring 104 in the one end away from middle seat piston 203, and Returnning spring 104 is between spool 102 and valve body 101.When micro pilot valve 301 is energized, spool 102 moves under middle seat piston 203 promotes, and compression reseting spring 104; When micro pilot valve 301 after a loss of power, Returnning spring 104 makes spool 102 reset.
Micro pilot valve 301 is existing a kind of pilot valve, and what can realize micro pilot valve 301 and pilot valve coil 304 is integrated, thus makes micro pilot valve 301 overall volume little, uses pressure little, only needs low-power coil can realize opening micro pilot valve 301.
When using this solenoid valve, when using this solenoid valve, micro pilot valve 301 after powered up, the internal cavities of inlet hole 204, micro pilot valve 301, air outlet hole 205 and groove 202 can form the gas circuit path of connection, now air flows in groove 202 from the internal cavities of inlet hole 204, micro pilot valve 301, air outlet hole 205 successively, promote the middle seat piston 203 in groove 202, and then promote spool 102, realize the commutation of spool 102.After a loss of power, spool 102 resets micro pilot valve 301.
Therefore the solenoid valve that provides of the utility model is owing to have employed micro pilot valve 301, optimize gas circuit structure, volume is less, use pressure less, achieve and only can open micro pilot valve 301 with low-power coil, thus realize spool 102 and commutate, therefore this solenoid valve reduces manufacture cost, reduce energy consumption, saved the energy, reduced user cost.Further, while can meeting usage requirement, optimize structure, assembling is simple, improves assembly qualified rate.
Embodiment 2
The structural representation of the solenoid valve that Fig. 2 provides for the utility model embodiment 2; The overall structure schematic diagram of the solenoid valve that Fig. 5 provides for the utility model embodiment 2; Refer to Fig. 2 and Fig. 5, the utility model embodiment 2 provides a kind of solenoid valve, and this solenoid valve comprises all technical characteristic of the solenoid valve that embodiment 1 provides, and the solenoid valve that embodiment 2 provides also comprises following technical characteristics:
The micro pilot valve 301 of the solenoid valve that Fig. 3 provides for the utility model embodiment 2 and the structural representation of seat 201 in guide; Refer to Fig. 2 and Fig. 3, micro pilot valve 301 comprises pilot valve valve seat 302, guide's valve plunger 303 and the pilot valve coil 304 for controlling guide's valve plunger 303 action.
Pilot valve valve seat 302 is provided with intake duct 305 and air outlet channel 306, one end of intake duct 305 is communicated with inlet hole 204, the other end is communicated with the internal cavities of micro pilot valve 301, one end of air outlet channel 306 is communicated with air outlet hole 205, the other end is provided with the gas port 307 that can be communicated with the internal cavities of micro pilot valve 301, and guide's valve plunger 303 can closed airway mouth 307.
When pilot valve move iron core 303 move time, the internal cavities of inlet hole 204, intake duct 305, micro pilot valve 301, air outlet channel 306, air outlet hole 205 and groove 202 can form the gas circuit path of connection.
Micro pilot valve 301 is existing a kind of pilot valve, the present embodiment have employed a kind of preferred structure of micro pilot valve 301, what can realize micro pilot valve 301 and pilot valve coil 304 is integrated, make micro pilot valve 301 overall volume little, use pressure is little, only needs low-power coil can realize opening micro pilot valve 301.
By arranging pilot valve valve seat 302, guide's valve plunger 303 and guide's valve plunger 303 in micro pilot valve 301, when guide's valve plunger 303 is energized, dynamic iron core action, gas port 307 is opened, make the internal cavities of inlet hole 204, intake duct 305, micro pilot valve 301, air outlet channel 306, air outlet hole 205 and groove 202 can form the gas circuit path of connection, thus pressurized air promotes the middle seat piston 203 in groove 202, middle seat piston 203 promotes spool 102, realizes spool 102 and commutates.
Refer to Fig. 2, Fig. 3 and Fig. 5, in guide, seat 201 is provided with passage 206 and can closes the middle seat manual opening stem 207 of inlet hole 204 and air outlet hole 205, middle seat manual opening stem 207 can slide in passage 206, and passage 206 is communicated with inlet hole 204, intake duct 305, air outlet hole 205, air outlet channel 306 respectively.
By arranging middle seat manual opening stem 207, even if when no electric circuit, make pressurized air not by micro pilot valve 301, also inlet hole 204 can be made to be communicated with air outlet hole 205, thus seat piston 203 in promoting, make middle seat piston 203 promote spool 102, realize the commutation of spool 102.Even if ensure that micro pilot valve 301 breaks down or when micro pilot valve 301 cannot be energized, also can manually operate the commutation realizing spool 102.
The structural representation of seat manual opening stem 207 in the solenoid valve that Fig. 4 provides for the utility model embodiment 2; Refer to Fig. 4, the front end of middle seat manual opening stem 207 is provided with the first projection 208 for closed air outlet hole 205, and the rear end of middle seat manual opening stem 207 is provided with the second projection 209 for closed inlet hole 204.
By arranging the first projection 208 and the second projection 209, make middle seat manual opening stem 207 can close air outlet hole 205 and inlet hole 204 respectively.
Refer to Fig. 4, the first projection 208 and the second projection 209 are annular.First projection 208 and the second projection 209 are all set to annular, even if there is axial rotation in middle seat manual opening stem 207 in slip, first projection 208 and the second projection 209 also can close air outlet hole 205 and inlet hole 204 well respectively, avoid causing leaking and affecting Non-follow control spool 102 and commutate.
Refer to Fig. 4, the first projection 208 and the second projection 209 are provided with circular groove, are provided with elastic component 210 in circular groove.By arranging elastic component 210, while seat manual opening stem 207 slides in the implementation, the effect of sealing can be played well, avoiding leaking and affecting Non-follow control spool 102 and commutate.
Refer to Fig. 3, as preferably, the two ends that in the guide of the solenoid valve that the present embodiment provides, seat 201 is being provided with the first airtube 211, first airtube 211 corresponding to the position between the first projection 208 and the second projection 209 are communicated with passage 206, intake duct 305 respectively.
The two ends that in guide, in seat 201 correspondence, the position of the front end of seat manual opening stem 207 is provided with the second airtube 212, second airtube 212 are communicated with passage 206, air outlet channel 306 respectively.
Under normal circumstances, spacing between first projection 208 of middle seat manual opening stem 207 and the second projection 209 is equal with the spacing between air outlet hole 205 and inlet hole 204, when middle seat manual opening stem 207 slides in passage 206, first projection 208 and the second projection 209 can close air outlet hole 205 and inlet hole 204 simultaneously respectively, by arranging the first airtube 211 and the second airtube 212, when middle seat manual opening stem 207 is slided in passage 206, as shown in the direction of arrow in Fig. 3, achieve inlet hole 204, passage 206, first airtube 211, intake duct 305, the internal cavities of micro pilot valve 301, air outlet channel 306, second airtube 212, air outlet hole 205 and groove 202 can form the gas circuit path of connection.
Refer to Fig. 3, middle seat piston 203 is circumferentially provided with middle seat piston ring 213.By arranging middle seat piston ring 213, can seal by centering seat piston 203, avoiding leaking and the normal use of impact.
Valve body 101 is two-position five-way valve.Enable solenoid valve be widely used on the mechanical device of factory, realize hydraulic control flow direction.
Refer to Fig. 3 and Fig. 5, in guide, seat 201 is provided with some locating columns 214, valve body 101 is provided with the locating slot 103 coordinated with locating column 214.By arranging locating column 214 and locating slot 103, being convenient to locate between seat 201 and valve body 101 in guide, being convenient to assemble.
The solenoid valve that the present embodiment provides is owing to have employed micro pilot valve 301, when pilot valve coil 304 is energized, make the internal cavities of inlet hole 204, passage 206, first airtube 211, intake duct 305, micro pilot valve 301, air outlet channel 306, second airtube 212, air outlet hole 205 and groove 202 can form the gas circuit path of connection, and then make middle seat piston 203 promote spool 102, realize spool 102 and commutate.The solenoid valve that the present embodiment provides optimizes gas circuit structure, volume is less, use pressure less, achieve and only can open micro pilot valve 301 with low-power coil, thus realize spool 102 and commutate, therefore this solenoid valve reduces manufacture cost, reduces energy consumption, save the energy, reduce user cost; While can meeting usage requirement, optimize structure, assembling is simple, improves assembly qualified rate.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a solenoid valve, comprise valve body and the spool being arranged at described valve inner, it is characterized in that, described solenoid valve also comprises seat and micro pilot valve in guide;
In described guide, seat is connected with described valve body, and in described guide, seat is provided with groove near one end of described valve body, is provided with for promoting seat piston in described spool in described groove;
In described guide, seat is provided with inlet hole and air outlet hole, and when described micro pilot valve switches on power, the internal cavities of described inlet hole, described micro pilot valve, described air outlet hole and described groove can form the gas circuit path of connection.
2. solenoid valve according to claim 1, is characterized in that, described micro pilot valve comprises pilot valve valve seat, guide's valve plunger and the pilot valve coil for controlling the action of described guide's valve plunger;
Described pilot valve valve seat is provided with intake duct and air outlet channel, one end of described intake duct is communicated with described inlet hole, the other end is communicated with the internal cavities of described micro pilot valve, one end of described air outlet channel is communicated with described air outlet hole, the other end is provided with the gas port that can be communicated with the internal cavities of described micro pilot valve, and described guide's valve plunger can close described gas port;
When described guide's valve plunger moves, the internal cavities of described inlet hole, described intake duct, described micro pilot valve, described air outlet channel, described air outlet hole and described groove can form the gas circuit path of connection.
3. solenoid valve according to claim 2, it is characterized in that, in described guide, seat is provided with passage and can closes the middle seat manual opening stem of described inlet hole and described air outlet hole, described middle seat manual opening stem can slide in described passage, and described passage is communicated with described inlet hole, described intake duct, described air outlet hole, described air outlet channel respectively.
4. solenoid valve according to claim 3, is characterized in that, the front end of described middle seat manual opening stem is provided with the first projection for closing described air outlet hole, and the rear end of described middle seat manual opening stem is provided with the second projection for closing described inlet hole.
5. solenoid valve according to claim 4, is characterized in that, described first projection and described second projection are annular.
6. solenoid valve according to claim 5, is characterized in that, described first projection and described second projection are provided with circular groove, are provided with elastic component in described circular groove.
7. solenoid valve according to claim 4, it is characterized in that, in described guide, seat is being provided with the first airtube corresponding to the position between described first projection and described second projection, and the two ends of described first airtube are communicated with described passage, described intake duct respectively;
In described guide, the position of the front end of the corresponding described middle seat manual opening stem of seat is provided with the second airtube, and the two ends of described second airtube are communicated with described passage, described air outlet channel respectively.
8. solenoid valve according to claim 1, is characterized in that, described middle seat piston is circumferentially provided with middle seat piston ring.
9. the solenoid valve according to any one of claim 1-8, is characterized in that, described valve body is two-position five-way valve.
10. the solenoid valve according to any one of claim 1-8, is characterized in that, in described guide, seat is provided with some locating columns, described valve body is provided with the locating slot coordinated with described locating column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865447.0U CN204372226U (en) | 2014-12-30 | 2014-12-30 | A kind of solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865447.0U CN204372226U (en) | 2014-12-30 | 2014-12-30 | A kind of solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204372226U true CN204372226U (en) | 2015-06-03 |
Family
ID=53328448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865447.0U Expired - Fee Related CN204372226U (en) | 2014-12-30 | 2014-12-30 | A kind of solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204372226U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090559A (en) * | 2015-08-31 | 2015-11-25 | 宁波索诺工业自控设备有限公司 | Cut-off type two-position five-way electromagnetic valve |
| CN105526382A (en) * | 2016-01-29 | 2016-04-27 | 奉化市诺鑫气动工程有限公司 | Internal exhaust type two-position five-way solenoid valve |
-
2014
- 2014-12-30 CN CN201420865447.0U patent/CN204372226U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090559A (en) * | 2015-08-31 | 2015-11-25 | 宁波索诺工业自控设备有限公司 | Cut-off type two-position five-way electromagnetic valve |
| CN105090559B (en) * | 2015-08-31 | 2017-06-13 | 宁波索诺工业自控设备有限公司 | Cut-off type two-position-five-way solenoid valve |
| CN105526382A (en) * | 2016-01-29 | 2016-04-27 | 奉化市诺鑫气动工程有限公司 | Internal exhaust type two-position five-way solenoid valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20171230 |