CN104534151A - Electromagnetic valve with large caliber and low pressure difference - Google Patents
Electromagnetic valve with large caliber and low pressure difference Download PDFInfo
- Publication number
- CN104534151A CN104534151A CN201410854340.0A CN201410854340A CN104534151A CN 104534151 A CN104534151 A CN 104534151A CN 201410854340 A CN201410854340 A CN 201410854340A CN 104534151 A CN104534151 A CN 104534151A
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- China
- Prior art keywords
- valve
- gear
- valve rod
- electromagnetic
- spool
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 16
- 238000013016 damping Methods 0.000 claims description 14
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000000306 component Substances 0.000 abstract 5
- 239000003638 chemical reducing agent Substances 0.000 abstract 4
- 239000008358 core component Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
Abstract
The invention discloses an electromagnetic valve with a large caliber and a low pressure difference. The electromagnetic valve with the large caliber and the low pressure difference comprises a valve body and a valve cover; a valve body flow channel is arranged in the valve body, a valve core component is arranged in the valve body flow channel and installed on a valve rod, the valve rod is connected with a motor and a reducer, the reducer comprises a speed reducing box body and a gear driving component, the speed reducing box body is fixedly arranged on the valve cover, the gear driving component comprises an eccentric gear, the eccentric gear is fixedly arranged at the end, extending out of the valve body, of the valve rod and is connected with the end of the valve rod in a threaded mode, each of the two sides of the eccentric gear is provided with a connecting column, the ends of the connecting columns are fixed to a connecting block through connecting springs, an electromagnetic component is arranged between the reducer and the valve cover, the electromagnetic component comprises a coil support winding with an electromagnetic coil, a moving armature is arranged in the coil support, and one end of the moving armature points to the valve rod. The electromagnetic valve with the large caliber and the low pressure difference has the advantages of low consumption and energy saving; meanwhile, the electromagnetic component is installed between the reducer and the valve cover, the assembling is compact, and therefore the installation space is used effectively.
Description
Technical field
The invention belongs to valve technology field, especially a kind of heavy caliber low voltage difference solenoid valve.
Background technique
Pressure difference valve of the prior art, generally include valve body, valve gap, spool and Returnning spring, valve flowing channel is provided with in valve body, spool stretches out attended operation mechanism outside valve body by valve rod, spool is driven to open or close valve flowing channel by motor and retarder, be in "on" position in operation, power consumption is large, and cost is high always.This structure adopts motor to drive valve core movement in conjunction with electromagnetic force, plays the effect of economize on electricity consumption reduction, meanwhile, can reach the emergency cut-off function that namely power-off closes.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of heavy caliber low voltage difference solenoid valve, this solenoid valve has energy-saving and cost-reducing, compact structure, power-off emergency cut-off advantage.
To achieve these goals, the technical solution used in the present invention is: a kind of heavy caliber low voltage difference solenoid valve, comprise valve body and valve gap, valve flowing channel is provided with in valve body, mangetic core assembly is provided with in valve flowing channel, mangetic core assembly is installed on valve rod, what the valve rod the other end stretched out valve body is externally connected with motor and retarder, it is characterized in that: described retarder comprises deceleration box and gear-driven assembly, deceleration box is fixedly arranged on valve gap, gear-driven assembly comprises small gear, intermediate gear, cascade gear, shifting slide gear and eccentricity gear, small gear is connected with motor in synchrony, small gear side is engaged with intermediate gear, intermediate gear is meshed with cascade gear, shifting slide gear is between cascade gear and eccentricity gear and engage with cascade gear and eccentricity gear respectively, eccentricity gear is installed in valve rod and stretches out end outside valve body, this eccentricity gear is threaded with valve stem end, the both sides of eccentricity gear are also respectively equipped with attachment post, attachment post end is fixed on contiguous block by linking springs, also electromagnetic assembly is provided with between described retarder and valve gap, electromagnetic assembly comprises the coil brace being wound with electromagnetic coil, moving armature is provided with in coil brace, one end of moving armature is towards valve rod.
In said structure, motor passes through retarder outputting power to valve rod, valve rod is made axially to rise along it or decline, drive mangetic core assembly conducting or valve body runner, above-mentioned retarder is connected with motor by small gear, and by gear-driven assembly by transmission of power to eccentricity gear place, when motion is turned left or turned right to this eccentricity gear, it can be pressed on the attachment post on the left side or the right respectively, attachment post is squeezed on linking springs, wherein this contiguous block can be connected with external circuit, the state of valve is detected by detecting level height, whether the keying that can detect valve puts in place, after valve opening puts in place, retarder is disconnected, motor power-off, the enable possition of valve rod and mangetic core assembly is kept by electromagnetic assembly, when after electromagnetic assembly power-off, then mangetic core assembly falls valve body runner fast, this structure has the advantage of low-loss and energy-saving, and electromagnetic assembly is arranged between retarder and valve gap, assemble compact, effectively utilize installing space.
As the further setting of the present invention, described deceleration box is fixedly arranged on valve gap by column, described electromagnetic assembly is arranged in electromagnetism housing, and electromagnetism shell one end is installed on valve gap by mounting plate, and in this electromagnetism housing space between column and column.
In said structure, this retarder is arranged on valve gap by column, and corner supports, and structural stability, electromagnetism housing is arranged between column and column, compact structure.
As the further setting of the present invention, described valve flowing channel comprises inlet channel and outlet passage, between inlet channel and outlet passage, there is communicating passage, described mangetic core assembly is arranged in this communicating passage, the bore of described communicating passage and inlet channel joint and mangetic core assembly adaptation, and the connecting port of this joint and valve rod are coaxially arranged, mangetic core assembly coordinates with this connecting port inner wall sealing.
In said structure, this valve flowing channel coordinates with mangetic core assembly mainly through communicating passage, when fluid enters fluid passage, impacts on inlet channel inwall, can reduce the direct impact of fluid to mangetic core assembly, reduce the loss to mangetic core assembly.
As the further setting of the present invention, described mangetic core assembly comprises spool, damping spring, one end that described valve rod is arranged in valve flowing channel is connected with body, damping spring is arranged in this body, the one end open of body is connected with valve stem seal, be sealedly connected with spool post in the other end opening of body, spool post stretch out one end of body and spool affixed.
In said structure, this damping spring is arranged in body, and body two ends are sealing configuration, makes body inside form confined space, can reduce the corrosion to damping spring in fluid inflow body, and this structure is simple, is easy to design.
As the further setting of the present invention, one end that described valve rod is connected with body is provided with limiting stopper, described limiting stopper is arranged in this body, described limiting stopper and damping spring affixed, the one end open inwall that described body coordinates with valve rod is embedded with seal ring, the end that described spool post is arranged in body has the enlarged end with body minor diameter fit, and this end and spool post cylinder joint form circular groove, are embedded with the rubber sleeve be connected with body inner wall sealing in this circular groove.
In said structure, valve rod is fitted by limiting stopper and body inwall, play spacing while valve rod can also be kept axially to stablize rise and fall, spool post is fitted by enlarged end and body inwall, and its enlarged end also plays the effect of the fitting seat of rubber sleeve.
As the further setting of the present invention, described spool comprises the insert body affixed with spool post, insert body is provided with seal towards one end of described connecting port, sealing body structure is in falling " convex " shape structure, the lower, outer perimeter wall of sealing body and connecting port internal diameter adaptation, the connecting end surface connecting port edge laminating of the top and the bottom of described seal.
In said structure, be arranged on the seal on this insert body and the connecting port in valve flowing channel and be sealed and matched better effects if.
Adopt such scheme, the present invention has the advantage of compact structure, energy saving, good sealing effect.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Accompanying drawing 1 is specific embodiment of the invention structural front view;
Accompanying drawing 2 is the structural representation of specific embodiment of the invention retarder;
Accompanying drawing 3 is the structural representation of specific embodiment of the invention retarder;
Accompanying drawing 4 is the long splice composition between specific embodiment of the invention eccentricity gear and attachment post, contiguous block;
Accompanying drawing 5 is the local A enlarged view of specific embodiment of the invention accompanying drawing 1;
Valve body 1, valve gap 11, column 111, inlet channel 21, outlet passage 22, communicating passage 23, connecting port 231, mangetic core assembly 3, spool 31, insert body 311, seal 312, spool post 32, enlarged end 321, rubber sleeve 322, damping spring 33, body 34, valve rod 4, limiting stopper 41, seal ring 42, motor 51, retarder 52, deceleration box 521, small gear 522, intermediate gear 523, cascade gear 524, shifting slide gear 525, eccentricity gear 526, attachment post 527, linking springs 528, contiguous block 529, electromagnetic assembly 6, electromagnetic coil 61, coil brace 62, moving armature 63, electromagnetism housing 64, mounting plate 641.
Embodiment
Specific embodiments of the invention are heavy caliber low voltage difference solenoid valve as Figure 1-5, comprise valve body 1 and valve gap 11, valve flowing channel is provided with in valve body 1, mangetic core assembly 3 is provided with in valve flowing channel, mangetic core assembly 3 is installed on valve rod 4, what valve rod 4 the other end stretched out valve body 1 is externally connected with motor 51 and retarder 52, retarder 52 comprises deceleration box 521 and gear-driven assembly, deceleration box 521 is fixedly arranged on valve gap 11, gear-driven assembly comprises small gear 522, intermediate gear 523, cascade gear 524, shifting slide gear 525 and eccentricity gear 526, small gear 522 and motor 51 synchronized links, small gear 522 side is engaged with intermediate gear 523, intermediate gear 523 is meshed with cascade gear 524, shifting slide gear 525 is between cascade gear 524 and eccentricity gear 526 and engage with cascade gear 524 and eccentricity gear 526 respectively, eccentricity gear 526 is installed in valve rod 4 and stretches out end outside valve body 1, this eccentricity gear 526 is connected with valve rod 4 end thread, the both sides of eccentricity gear 526 are also respectively equipped with attachment post 527, attachment post 527 end is fixed on contiguous block 529 by linking springs 528, electromagnetic assembly 6 is also provided with between retarder 52 and valve gap 11, electromagnetic assembly 6 comprises the coil brace 62 being wound with electromagnetic coil 61, moving armature 63 is provided with in coil brace 62, one end of moving armature 63 is towards valve rod 4.
Above-mentioned motor 51 passes through retarder 52 outputting power to valve rod 4, valve rod 4 is made axially to rise along it or decline, drive mangetic core assembly 3 conducting or valve body runner, above-mentioned retarder 52 is connected with motor 51 by small gear 522, and by gear-driven assembly by transmission of power to eccentricity gear 526 place, when motion is turned left or turned right to this eccentricity gear 526, it can be pressed on the attachment post 527 on the left side or the right respectively, attachment post 527 is squeezed on linking springs 528, wherein this contiguous block 529 can be connected with external circuit, above-mentioned attachment post 527, contiguous block 529 has connecting end portion b respectively, c, d, the state of valve is detected by detecting level height, whether the keying that can detect valve puts in place, after valve opening puts in place, retarder 52 is disconnected, motor 51 power-off, the enable possition of valve rod 4 and mangetic core assembly 3 is kept by electromagnetic assembly 6, when after electromagnetic assembly 6 power-off, then mangetic core assembly 3 falls valve body runner fast, this structure has the advantage of low-loss and energy-saving, and electromagnetic assembly 6 is arranged between retarder 52 and valve gap 11, assemble compact, effectively utilize installing space.
Above-mentioned deceleration box 521 is fixedly arranged on valve gap 11 by column 111, and electromagnetic assembly 6 is arranged in electromagnetism housing 64, and electromagnetism housing 64 one end is installed on valve gap 11 by mounting plate 641, and in this electromagnetism housing 64 space between column 111 and column 111.This retarder 52 is arranged on valve gap 11 by column 111, and corner supports, and structural stability, electromagnetism housing 64 is arranged between column 111 and column 111, compact structure.
Above-mentioned valve flowing channel comprises inlet channel 21 and outlet passage 22, there is between inlet channel 21 and outlet passage 22 communicating passage 23, mangetic core assembly 3 is arranged in this communicating passage 23, the bore of communicating passage 23 and inlet channel 21 joint and mangetic core assembly 3 adaptation, and the connecting port 231 of this joint is coaxially arranged with valve rod 4, mangetic core assembly 3 coordinates with this connecting port 231 inner wall sealing.This valve flowing channel coordinates with mangetic core assembly 3 mainly through communicating passage 23, when fluid enters fluid passage, impacts on inlet channel 21 inwall, can reduce the direct impact of fluid to mangetic core assembly 3, reduce the loss to mangetic core assembly 3.
Above-mentioned mangetic core assembly 3 comprises spool 31, damping spring 33, one end that valve rod 4 is arranged in valve flowing channel is connected with body 34, damping spring 33 is arranged in this body 34, one end open and the valve rod 4 of body 34 are tightly connected, be sealedly connected with spool post 32 in the other end opening of body 34, spool post 32 stretch out one end of body 34 and spool 31 affixed.This damping spring 33 is arranged in body 34, and body 34 two ends are sealing configuration, makes body 34 inside form confined space, can reduce the corrosion to damping spring 33 in fluid inflow body 34, and this structure is simple, is easy to design.
One end that above-mentioned valve rod 4 is connected with body 34 is provided with limiting stopper 41, limiting stopper 41 is arranged in this body 34, limiting stopper 41 is affixed with damping spring 33, the one end open inwall that body 34 coordinates with valve rod 4 is embedded with seal ring 42, the end that spool post 32 is arranged in body 34 has the enlarged end 321 with body 34 minor diameter fit, this end 321 forms circular groove with spool post 32 cylinder joint, is embedded with the rubber sleeve 322 be connected with body 34 inner wall sealing in this circular groove.Valve rod 4 is fitted by limiting stopper 41 and body 34 inwall, play spacing while valve rod 4 can also be kept axially to stablize rise and fall, spool post 32 is fitted by enlarged end 321 and body 34 inwall, and its enlarged end also plays the effect of the fitting seat of rubber sleeve 322.
Above-mentioned spool 31 comprises the insert body 311 affixed with spool post 32, insert body 311 is provided with seal 312 towards one end of connecting port 231, sealing body 312 structure is in falling " convex " shape structure, the lower, outer perimeter wall of sealing body 312 and connecting port 231 internal diameter adaptation, the connecting end surface connecting port 231 edge laminating of the top and the bottom of seal 312.Be arranged on seal on this insert body 311 312 and the connecting port 231 in valve flowing channel to be sealed and matched better effects if.
Working principle of the present invention is: motor 51 and electromagnetic assembly 6 are energized simultaneously, motor 51 drives mangetic core assembly 3 to be elevated by retarder 52 actuate valve stem 4, after valve opening puts in place, eccentricity gear 526 in retarder 52, attachment post 527, linking springs 528, contiguous block 529 forms loop, the unlatching situation of valve is judged by the level height testing contiguous block 529 place of eccentricity gear 526 both sides, after detection puts in place, to motor 51 power-off, retarder 52 is thrown off, the position of valve rod 4 is kept to make it be in valve opening state by electromagnetic assembly 6, play energy-conserving action, when electromagnetic assembly 6 power-off, then mangetic core assembly 3 falls throttle down after rise fast, after this valve opens valve by motor 51 and retarder 52 actuating valve core assembly 3, mangetic core assembly 3 remains on open position by electromagnetic assembly 6, and retarder 52 can be thrown off completely in off-load, and stall, after power failure, electromagnetic assembly 6 resets, mangetic core assembly 3 is throttle down under spring force and Action of Gravity Field then.The present invention has the advantage of compact structure, energy saving, good sealing effect.The present invention is not limited to above-mentioned embodiment; persons skilled in the art are according to content disclosed by the invention; other multiple embodiments can be adopted to implement of the present invention; or every employing project organization of the present invention and thinking; do simple change or change, all fall into protection scope of the present invention.
Claims (6)
1. a heavy caliber low voltage difference solenoid valve, comprise valve body and valve gap, valve flowing channel is provided with in valve body, mangetic core assembly is provided with in valve flowing channel, mangetic core assembly is installed on valve rod, what the valve rod the other end stretched out valve body is externally connected with motor and retarder, it is characterized in that: described retarder comprises deceleration box and gear-driven assembly, deceleration box is fixedly arranged on valve gap, gear-driven assembly comprises small gear, intermediate gear, cascade gear, shifting slide gear and eccentricity gear, small gear is connected with motor in synchrony, small gear side is engaged with intermediate gear, intermediate gear is meshed with cascade gear, shifting slide gear is between cascade gear and eccentricity gear and engage with cascade gear and eccentricity gear respectively, eccentricity gear is installed in valve rod and stretches out end outside valve body, this eccentricity gear is threaded with valve stem end, the both sides of eccentricity gear are also respectively equipped with attachment post, attachment post end is fixed on contiguous block by linking springs, also electromagnetic assembly is provided with between described retarder and valve gap, electromagnetic assembly comprises the coil brace being wound with electromagnetic coil, moving armature is provided with in coil brace, one end of moving armature is towards valve rod.
2. heavy caliber low voltage difference solenoid valve according to claim 1, it is characterized in that: described deceleration box is fixedly arranged on valve gap by column, described electromagnetic assembly is arranged in electromagnetism housing, electromagnetism shell one end is installed on valve gap by mounting plate, and in this electromagnetism housing space between column and column.
3. heavy caliber low voltage difference solenoid valve according to claim 1, it is characterized in that: described valve flowing channel comprises inlet channel and outlet passage, between inlet channel and outlet passage, there is communicating passage, described mangetic core assembly is arranged in this communicating passage, the bore of described communicating passage and inlet channel joint and mangetic core assembly adaptation, and the connecting port of this joint and valve rod are coaxially arranged, mangetic core assembly coordinates with this connecting port inner wall sealing.
4. heavy caliber low voltage difference solenoid valve according to claim 3, it is characterized in that: described mangetic core assembly comprises spool, damping spring, one end that described valve rod is arranged in valve flowing channel is connected with body, damping spring is arranged in this body, the one end open of body is connected with valve stem seal, be sealedly connected with spool post in the other end opening of body, spool post stretch out one end of body and spool affixed.
5. heavy caliber low voltage difference solenoid valve according to claim 4, it is characterized in that: one end that described valve rod is connected with body is provided with limiting stopper, described limiting stopper is arranged in this body, described limiting stopper and damping spring affixed, the one end open inwall that described body coordinates with valve rod is embedded with seal ring, the end that described spool post is arranged in body has the enlarged end with body minor diameter fit, this end and spool post cylinder joint form circular groove, are embedded with the rubber sleeve be connected with body inner wall sealing in this circular groove.
6. the heavy caliber low voltage difference solenoid valve according to claim 4 or 5, it is characterized in that: described spool comprises the insert body affixed with spool post, insert body is provided with seal towards one end of described connecting port, sealing body structure is in falling " convex " shape structure, the lower, outer perimeter wall of sealing body and connecting port internal diameter adaptation, the connecting end surface connecting port edge laminating of the top and the bottom of described seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854340.0A CN104534151B (en) | 2014-12-31 | 2014-12-31 | Electromagnetic valve with large caliber and low pressure difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854340.0A CN104534151B (en) | 2014-12-31 | 2014-12-31 | Electromagnetic valve with large caliber and low pressure difference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104534151A true CN104534151A (en) | 2015-04-22 |
| CN104534151B CN104534151B (en) | 2017-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410854340.0A Active CN104534151B (en) | 2014-12-31 | 2014-12-31 | Electromagnetic valve with large caliber and low pressure difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104534151B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621789A (en) * | 1985-11-04 | 1986-11-11 | Rikuo Fukamachi | Electrically driven valve |
| CN2454593Y (en) * | 2000-11-23 | 2001-10-17 | 杨淑莹 | Self-sealing electric ball valve |
| CN200999878Y (en) * | 2007-01-10 | 2008-01-02 | 庄革 | Thread losting in-position indicating valve |
| CN202451950U (en) * | 2012-03-06 | 2012-09-26 | 胡泽成 | Ball valve type electrically controlled valve with miniature reducer |
| CN203906970U (en) * | 2014-06-25 | 2014-10-29 | 吉林市智深科技有限公司 | Electromagnetic hydraulic regulating valve |
| CN204372282U (en) * | 2014-12-31 | 2015-06-03 | 瑞安市东方阀门有限公司 | Heavy caliber low voltage difference solenoid valve |
-
2014
- 2014-12-31 CN CN201410854340.0A patent/CN104534151B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621789A (en) * | 1985-11-04 | 1986-11-11 | Rikuo Fukamachi | Electrically driven valve |
| CN2454593Y (en) * | 2000-11-23 | 2001-10-17 | 杨淑莹 | Self-sealing electric ball valve |
| CN200999878Y (en) * | 2007-01-10 | 2008-01-02 | 庄革 | Thread losting in-position indicating valve |
| CN202451950U (en) * | 2012-03-06 | 2012-09-26 | 胡泽成 | Ball valve type electrically controlled valve with miniature reducer |
| CN203906970U (en) * | 2014-06-25 | 2014-10-29 | 吉林市智深科技有限公司 | Electromagnetic hydraulic regulating valve |
| CN204372282U (en) * | 2014-12-31 | 2015-06-03 | 瑞安市东方阀门有限公司 | Heavy caliber low voltage difference solenoid valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104534151B (en) | 2017-02-22 |
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Inventor after: Zhang Lingkang Inventor after: Zhang Shudong Inventor after: Fan Guangfeng Inventor after: Fan Yike Inventor before: Zhang Shudong Inventor before: Fan Guangfeng Inventor before: Zhang Lingkang Inventor before: Fan Yike |
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Free format text: CORRECT: INVENTOR; FROM: ZHANG SHUDONG FAN GUANGFENG ZHANG LINGKANG FAN YIKE TO: ZHANG LINGKANG ZHANG SHUDONG FAN GUANGFENG FAN YIKE |
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Inventor after: Zhang Lingkang Inventor after: Zhang Shudong Inventor after: Fan Guangfeng Inventor after: Fan Yike Inventor after: Fan Hao Inventor after: Lin Xiaole Inventor after: Lin Geng Inventor after: Lin Weiwen Inventor after: Fan Chuanzhe Inventor before: Zhang Lingkang Inventor before: Zhang Shudong Inventor before: Fan Guangfeng Inventor before: Fan Yike |
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Address after: 325204 Zhejiang city in Wenzhou Province, Ruian City People's road, Xincheng Town Village Huabiao Patentee after: Zhejiang Valve Co., Ltd. Address before: 325000 Zhejiang city in Wenzhou Province, Ruian City People's road, Xincheng Town Village Huabiao Patentee before: RUIAN EAST VALVE CO., LTD. |