CN117722506A - Quick-response valve control device - Google Patents
Quick-response valve control device Download PDFInfo
- Publication number
- CN117722506A CN117722506A CN202410175492.1A CN202410175492A CN117722506A CN 117722506 A CN117722506 A CN 117722506A CN 202410175492 A CN202410175492 A CN 202410175492A CN 117722506 A CN117722506 A CN 117722506A
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- sliding
- transmission
- pipeline
- control device
- sealing plate
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- 230000004044 response Effects 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 79
- 238000005192 partition Methods 0.000 claims abstract description 38
- 238000001125 extrusion Methods 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 48
- 239000000428 dust Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007363 regulatory process Effects 0.000 description 1
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- Sliding Valves (AREA)
Abstract
The invention discloses a valve control device with quick response, and relates to the technical field of valves. According to the sealing assembly provided by the invention, when the partition sealing plate in the sealing assembly is contacted with the step surface, the micro-adjustment of the fluid flow can be realized by rotating the shielding sealing piece; the partition sealing plate and the valve pipeline are obliquely arranged through the coordination of the partition sealing plate and the driving part, when the partition sealing plate moves into the valve pipeline, the partition sealing plate can be quickly moved to the step surface through the driving of fluid, the valve pipeline is cut off, and the problem that a traditional valve is slow to close is solved; through the cooperation of extrusion restriction piece and restriction sliding plate, can prevent to shelter from the sealing disk and take place rotatory under fluidic drive, effectively guarantee the stability of flow control process.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a valve control device with quick response.
Background
The valve is a pipeline control device, has the characteristics of quick response and accurate control, and is widely applied to industrial automatic production. The types of valves are various, and the valves can be classified into manual valves, electric valves, pneumatic valves and the like according to driving modes; the structure of the valve can be divided into a gate valve, a stop valve, a ball valve and the like; the functions of the valve can be divided into a regulating valve, a check valve, a safety valve and the like. The traditional valve control device has slower response speed and can not meet the requirement of rapidly cutting off fluid in modern industrial production.
Currently, in the prior art, there is a valve with quick response (the invention patent with publication number CN 105465392B), and the circular arc valve core of the patent slides in the chute under the drive of the motor to control the opening and closing of the valve, so that the valve has a simple structure, sensitive action and quick response speed, but cannot realize micro-adjustment of the liquid flow.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the following technical scheme: the quick-response valve control device comprises a valve pipeline, wherein an execution pipeline is obliquely arranged on the valve pipeline, a sealing component is slidably arranged in the execution pipeline, a driving part for driving the sealing component to move on the inner wall of the execution pipeline is fixedly arranged in the execution pipeline, the driving part comprises a sealing plate fixedly matched with the execution pipeline, a permanent magnet driving rod and a sliding adjusting pipe are slidably arranged on the sealing plate, an electromagnetic driving column is sleeved on the outer side of the permanent magnet driving rod, and the electromagnetic driving column is magnetically matched with the permanent magnet driving rod; the sealing assembly comprises a partition sealing plate, the partition sealing plate is fixedly matched with a permanent magnet driving rod and a sliding adjusting pipe, at least 7 first through holes are formed in the partition sealing plate, an auxiliary shielding frame is fixedly installed on the partition sealing plate, second through holes with the same quantity as the first through holes are formed in the auxiliary shielding frame, shielding sealing plates are arranged between the auxiliary shielding frame and the partition sealing plate in a rotating sealing mode and used for shielding the first through holes and the second through holes, a transmission rod shaft is coaxially arranged in the sliding adjusting pipe, and the transmission rod shaft is fixedly matched with the shielding sealing plates.
Preferably, the inner wall of the valve pipeline is provided with a step surface in contact fit with the partition sealing plate in the sealing assembly, and the execution pipeline is also provided with an adjusting chute and a constant pressure channel.
Preferably, the sealing plate is fixedly provided with a transmission frame, the transmission frame is rotatably provided with a transmission sleeve and an output gear, the transmission sleeve and the output gear are in meshed transmission, the transmission sleeve is provided with a hexagonal through hole, a section of the sliding adjusting pipe, which is far away from the partition sealing plate, is rotatably provided with a hexagonal prism sheet, the hexagonal prism sheet is fixedly matched with the transmission shaft, and the hexagonal prism sheet can enter the hexagonal through hole formed in the transmission sleeve to realize spline matching.
Preferably, the transmission frame is further rotatably provided with an input gear fixedly connected with the output gear, the transmission frame is further slidably provided with a driving rack meshed with the input gear for transmission, the driving rack is symmetrically and fixedly provided with two unlocking rod sliding frames, and the two unlocking rod sliding frames are slidably provided with sliding unlocking rods.
Preferably, the transmission frame is fixedly provided with a limiting sliding plate, the side surface of the limiting sliding plate is in contact fit with an extrusion limiting block, the two sliding unlocking rods are fixedly arranged on the extrusion limiting block, two rubber spring sleeves are further arranged between the extrusion limiting block and the unlocking rod sliding frame, and the two rubber spring sleeves are respectively sleeved on the two sliding unlocking rods.
Preferably, one side of the extrusion limiting block, which is close to the limiting sliding plate, is provided with a trapezoid groove, a trapezoid block is arranged in the trapezoid groove, rollers are rotatably arranged on two inclined planes of the trapezoid block, and the rollers are in sliding or rolling fit with the inclined planes of the trapezoid groove on the extrusion limiting block.
Preferably, stripes capable of increasing friction resistance of the two are arranged between the opposite surfaces of the extrusion limiting block and the limiting sliding plate, and a dust cover is fixedly arranged at one end of the execution pipeline away from the valve pipeline.
Preferably, the adjusting sliding groove is internally provided with an adjusting pulling piece, the adjusting pulling piece is fixedly connected with the trapezoid block, two ends of the valve pipeline are provided with flange plates convenient to install, and the outer surface of the valve pipeline is provided with arrow marks for indicating the flowing direction of fluid.
Compared with the prior art, the invention has the following beneficial effects: (1) According to the sealing assembly provided by the invention, when the partition sealing plate in the sealing assembly is contacted with the step surface, the micro-adjustment of the fluid flow can be realized by rotating the shielding sealing piece; (2) According to the invention, through the coordination and matching of the partition sealing plate and the driving part, the partition sealing plate and the valve pipeline are obliquely arranged, when the partition sealing plate moves into the valve pipeline, the partition sealing plate can be quickly moved to the step surface by the driving of fluid, and the valve pipeline is cut off, so that the problem of slow closing of the traditional valve is solved; (3) According to the invention, through the cooperation of the extrusion limiting block and the limiting sliding plate, the shielding sealing disc can be prevented from rotating under the drive of fluid, and the stability of the flow regulating process is effectively ensured.
Drawings
FIG. 1 is a schematic view of the external structure of a valve pipeline according to the present invention.
Fig. 2 is a schematic view of the structure of the dust cap of the present invention.
FIG. 3 is a schematic view of a valve pipeline structure according to the present invention.
Fig. 4 is a schematic diagram of the structure a in fig. 3 according to the present invention.
Fig. 5 is a schematic view of the structure of the hexagonal prism sheet of the present invention.
FIG. 6 is a schematic diagram of the structure of FIG. 5B according to the present invention.
FIG. 7 is a schematic view of the structure of FIG. 6 at C according to the present invention.
Fig. 8 is a plan view showing the structure of the extrusion limiting block of the present invention.
Fig. 9 is a schematic diagram of the structure D in fig. 8 according to the present invention.
Fig. 10 is a schematic view of the structure of the electromagnetic driving column of the present invention.
FIG. 11 is a schematic view of a seal assembly according to the present invention.
In the figure: 101-valve tubing; 1011—step surface; 102-execution pipeline; 1021-adjusting the chute; 1022-constant pressure channel; 103-a dust cap; 201-sealing plate; 202-an electromagnetic drive column; 203-permanent magnet drive rod; 204-sliding the adjustment tube; 205-hexagonal prism sheet; 206-a transmission frame; 207-driving sleeve; 208-an output gear; 209-an input gear; 210-driving a rack; 211-restricting the sliding plate; 212-adjusting the plectrum; 213-squeeze limit block; 214-trapezoidal blocks; 215-sliding unlocking lever; 216-rubber spring sleeve; 217-unlocking the lever carriage; 218-a roller; 301-isolating a sealing plate; 3011-a first through-flow aperture; 302-auxiliary shielding frame; 3021-a second vent; 303-shielding sealing sheets; 304-drive shaft. 4
Detailed Description
The technical scheme of the invention is further described below by means of specific embodiments with reference to fig. 1-11.
The invention provides a quick-response valve control device, which comprises a valve pipeline 101, wherein an execution pipeline 102 is obliquely arranged on the valve pipeline 101, a sealing component is slidably arranged in the execution pipeline 102, a driving part for driving the sealing component to move on the inner wall of the execution pipeline 102 is fixedly arranged in the execution pipeline 102, the driving part comprises a sealing plate 201 fixedly matched with the execution pipeline 102, a permanent magnet driving rod 203 and a sliding adjusting pipe 204 are slidably arranged on the sealing plate 201, an electromagnetic driving column 202 is sleeved on the outer side of the permanent magnet driving rod 203, and the electromagnetic driving column 202 is magnetically matched with the permanent magnet driving rod 203. The inner wall of the valve pipeline 101 is provided with a step surface 1011 which is in contact fit with the partition sealing plate 301 in the sealing assembly, and the execution pipeline 102 is also provided with an adjusting chute 1021 and a constant pressure channel 1022. The sealing plate 201 is further fixedly provided with a transmission frame 206, the transmission frame 206 is rotatably provided with a transmission sleeve 207 and an output gear 208, transmission is meshed between the transmission sleeve 207 and the output gear 208, the transmission sleeve 207 is provided with a hexagonal through hole, one section of the sliding adjusting pipe 204, which is far away from the partition sealing plate 301, is rotatably provided with a hexagonal prism sheet 205, the hexagonal prism sheet 205 is fixedly matched with a transmission rod shaft 304, and the hexagonal prism sheet 205 can enter the hexagonal through hole formed in the transmission sleeve 207 to realize spline matching. The transmission frame 206 is also rotatably provided with an input gear 209 fixedly connected with the output gear 208, the transmission frame 206 is also slidably provided with a driving rack 210 meshed with the input gear 209 for transmission, the driving rack 210 is symmetrically and fixedly provided with two unlocking rod sliding frames 217, and the two unlocking rod sliding frames 217 are respectively slidably provided with a sliding unlocking rod 215. The transmission frame 206 is fixedly provided with a limiting sliding plate 211, the side surface of the limiting sliding plate 211 is in contact fit with an extrusion limiting block 213, the two sliding unlocking rods 215 are fixedly arranged on the extrusion limiting block 213, two rubber spring sleeves 216 are further arranged between the extrusion limiting block 213 and the unlocking rod sliding frame 217, and the two rubber spring sleeves 216 are respectively sleeved on the two sliding unlocking rods 215. The extrusion limiting block 213 is provided with a trapezoid groove on one side close to the limiting sliding plate 211, a trapezoid block 214 is arranged in the trapezoid groove, rollers 218 are rotatably arranged on two inclined planes of the trapezoid block 214, and the rollers 218 are in sliding or rolling fit with the inclined planes of the trapezoid groove on the extrusion limiting block 213. A stripe capable of increasing frictional resistance of the pressing restriction block 213 and the restriction slide plate 211 is provided between the opposite surfaces thereof, and a dust cap 103 is fixedly installed at an end of the execution pipe 102 remote from the valve pipe 101. An adjusting pulling piece 212 is slidably mounted in the adjusting sliding groove 1021, the adjusting pulling piece 212 is fixedly connected with the trapezoid block 214, flange plates convenient to install are arranged at two ends of the valve pipeline 101, and arrow marks indicating the flowing direction of fluid are arranged on the outer surface of the valve pipeline 101.
The seal assembly comprises a partition sealing plate 301, the partition sealing plate 301 is fixedly matched with the permanent magnet driving rod 203 and the sliding adjusting pipe 204, at least 7 first through holes 3011 are formed in the partition sealing plate 301, an auxiliary shielding frame 302 is fixedly installed on the partition sealing plate 301, second through holes 3021 with the same number as the first through holes 3011 are formed in the auxiliary shielding frame 302, shielding sealing plates 303 are arranged between the auxiliary shielding frame 302 and the partition sealing plate 301 in a rotating sealing mode and used for shielding the first through holes 3011 and the second through holes 3021, a transmission rod shaft 304 is coaxially arranged in the sliding adjusting pipe 204, and the transmission rod shaft 304 is fixedly matched with the shielding sealing plates 303.
The valve conduit 101 is mounted in the desired position by two flanges, taking care that the direction of fluid flow is consistent with the arrow mark. When the partition sealing plate 301 is located at the position shown in fig. 10, fluid can directly pass through the valve pipe 101, and the pressure inside the valve pipe 101 is greater than the external pressure, and the partition sealing plate 301 is propped against the surface of the sealing plate 201 (the provision of the constant pressure channel 1022 can reduce the negative pressure between the partition sealing plate 301 and the sealing plate 201, so that the sealing plate 201 and the partition sealing plate 301 are separated and contacted). When the valve pipeline 101 needs to be cut off, the electromagnetic driving column 202 is electrified (forward current is electrified, the electromagnetic driving column 202 and the permanent magnetic driving rod 203 generate repulsive force), the permanent magnetic driving rod 203 is controlled to move, the permanent magnetic driving rod 203 drives the partition sealing plate 301 to move towards the step surface 1011, when the partition sealing plate 301 moves to the inside of the valve pipeline 101 (the electromagnetic driving column 202 can be disconnected, the partition sealing plate 301 can move under the driving of fluid), flowing fluid can apply a force for the partition sealing plate 301 to move towards the step surface 1011, at the moment, the partition sealing plate 301 can be in contact with the step surface 1011, and the valve pipeline 101 is cut off, so that pressure difference is generated at two sides of the valve pipeline 101, and the partition sealing plate 301 can be clung to the step surface 1011. The process can rapidly cut off the two sides of the valve pipeline 101, and the problem of slow closing of the traditional valve is solved.
When the valve pipeline 101 needs to be opened, the electromagnetic driving column 202 is controlled again (reverse current is applied, attractive force is generated between the electromagnetic driving column 202 and the permanent magnetic driving rod 203), the permanent magnetic driving rod 203 is controlled to move towards the direction away from the step surface 1011, and the partition sealing plate 301 is driven to be away from the step surface 1011, so that two sides of the valve pipeline 101 are opened, and it is required to set a sealing rubber pad on the contact surface of the partition sealing plate 301 and the step surface 1011 in order to ensure the tightness between the partition sealing plate 301 and the step surface 1011.
When the valve pipeline 101 is in a cut-off state, the hexagonal prism sheet 205 can enter the transmission sleeve 207, at this time, a driving element is required to be set for manual or electric adjustment, the adjustment pulling sheet 212 is driven to slide in the adjustment sliding chute 1021 by electric adjustment, the trapezoidal block 214 is driven to move by movement of the adjustment pulling sheet 212, the trapezoidal block 214 can move against the extrusion limiting block 213 by the roller 218 towards a direction away from the limiting sliding plate 211 (the rubber spring sleeve 216 is compressed), meanwhile, the extrusion limiting block 213 is driven to linearly move along the opposite surface of the limiting sliding plate 211 and the extrusion limiting block 213, the driving rack 210 is driven to synchronously move by sliding the release rod 215, the driving rack 210 is driven to move, the input gear 209 is driven to rotate, the output gear 208 is driven to rotate by rotation of the input gear 209, the output gear 208 is driven to rotate, the transmission sleeve 207 is driven to rotate, the hexagonal prism sheet 205 is driven to rotate, the transmission 304 is driven to rotate by the hexagonal prism sheet 205, the transmission rod shaft 304 is driven to rotate, when the transmission rod shaft 304 rotates to a position aligned with the second through-flow hole 3021 and the first through-flow hole 3011, no fluid 3021 can pass through the second through-flow hole 3021 and the second through-flow 3011, and the second through-flow 3011 is staggered to the second through-flow position by the second through-flow hole 3011, and the flow of the fluid can be changed by the flow to the second through-flow through the second through-hole and the small-flow through hole 3011.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. A fast response valve control device, characterized by: the device comprises a valve pipeline (101), wherein an execution pipeline (102) is obliquely arranged on the valve pipeline (101), a sealing assembly is slidably arranged in the execution pipeline (102), a driving part for driving the sealing assembly to move on the inner wall of the execution pipeline (102) is fixedly arranged in the execution pipeline (102), the driving part comprises a sealing plate (201) fixedly matched with the execution pipeline (102), a permanent magnet driving rod (203) and a sliding adjusting pipe (204) are slidably arranged on the sealing plate (201), an electromagnetic driving column (202) is sleeved on the outer side of the permanent magnet driving rod (203), and the electromagnetic driving column (202) is magnetically matched with the permanent magnet driving rod (203);
seal assembly is including cutting off closing plate (301), cuts off closing plate (301) and permanent magnetism actuating lever (203) and slip regulation pipe (204) fixed cooperation, cut off and offered 7 at least first through-holes (3011) on closing plate (301), still fixed mounting has supplementary shielding frame (302) on cutting off closing plate (301), has offered second through-holes (3021) the same quantity with first through-holes (3011) on supplementary shielding frame (302), it is provided with shielding sealing piece (303) to rotate between supplementary shielding frame (302) and the closing plate (301) for shelter from first through-holes (3011) and second through-holes (3021), coaxial transmission shaft (304) are provided with in slip regulation pipe (204), transmission shaft (304) and shielding sealing piece (303) fixed cooperation.
2. A quick response valve control device as in claim 1, wherein: the inner wall of the valve pipeline (101) is provided with a step surface (1011) which is in contact fit with a partition sealing plate (301) in the sealing assembly, and the execution pipeline (102) is also provided with an adjusting chute (1021) and a constant pressure channel (1022).
3. A quick response valve control device as claimed in claim 2, wherein: still fixed mounting has on closing plate (201) transmission frame (206), rotates on transmission frame (206) and installs transmission cover (207) and output gear (208), meshing transmission between transmission cover (207) and output gear (208), be provided with hexagonal through-hole on transmission cover (207), one section that cuts off closing plate (301) was kept away from to slip regulation pipe (204) rotates and installs hexagonal prism piece (205), hexagonal prism piece (205) and transmission pole axle (304) fixed fit to hexagonal prism piece (205) can get into in the hexagonal through-hole of seting up on transmission cover (207) realize spline fit.
4. A quick response valve control device as claimed in claim 3, wherein: the transmission frame (206) is further rotatably provided with an input gear (209) fixedly connected with the output gear (208), the transmission frame (206) is further provided with a driving rack (210) which is meshed with the input gear (209) for transmission in a sliding manner, the driving rack (210) is symmetrically and fixedly provided with two unlocking rod sliding frames (217), and the two unlocking rod sliding frames (217) are respectively provided with a sliding unlocking rod (215) in a sliding manner.
5. A quick response valve control device as in claim 4, wherein: the transmission frame (206) is fixedly provided with a limiting sliding plate (211), the side surface of the limiting sliding plate (211) is in contact fit with an extrusion limiting block (213), two sliding unlocking rods (215) are fixedly arranged on the extrusion limiting block (213), two rubber spring sleeves (216) are further arranged between the extrusion limiting block (213) and the unlocking rod sliding frame (217), and the two rubber spring sleeves (216) are respectively sleeved on the two sliding unlocking rods (215).
6. A quick response valve control device as in claim 5, wherein: one side of the extrusion limiting block (213) close to the limiting sliding plate (211) is provided with a trapezoid groove, a trapezoid block (214) is arranged in the trapezoid groove, two inclined planes of the trapezoid block (214) are rotatably provided with rollers (218), and the rollers (218) are in sliding or rolling fit with the inclined planes of the trapezoid groove on the extrusion limiting block (213).
7. A quick response valve control device as in claim 6, wherein: stripes capable of increasing friction resistance of the extrusion limiting block (213) and the limiting sliding plate (211) are arranged between the opposite surfaces of the extrusion limiting block and the limiting sliding plate, and a dust cover (103) is fixedly arranged at one end, far away from the valve pipeline (101), of the execution pipeline (102).
8. A quick response valve control device as in claim 7, wherein: the adjusting chute (1021) is internally provided with an adjusting pulling piece (212), the adjusting pulling piece (212) is fixedly connected with the trapezoid block (214), two ends of the valve pipeline (101) are provided with flange plates convenient to install, and the outer surface of the valve pipeline (101) is provided with arrow marks for indicating the flowing direction of fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410175492.1A CN117722506B (en) | 2024-02-08 | 2024-02-08 | Quick-response valve control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410175492.1A CN117722506B (en) | 2024-02-08 | 2024-02-08 | Quick-response valve control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117722506A true CN117722506A (en) | 2024-03-19 |
| CN117722506B CN117722506B (en) | 2024-04-26 |
Family
ID=90203844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410175492.1A Active CN117722506B (en) | 2024-02-08 | 2024-02-08 | Quick-response valve control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117722506B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423077A (en) * | 2002-09-17 | 2003-06-11 | 郭玉钦 | Permanent magnetic hopping instant-open and instant-close valve |
| CN201031962Y (en) * | 2007-04-02 | 2008-03-05 | 郭建刚 | Valve |
| US20140261724A1 (en) * | 2012-09-28 | 2014-09-18 | Emerson Process Management Regulator Technologies, Inc. | Balanced Port Sense Profile for Improved Capacity Performance |
| CN108413099A (en) * | 2017-07-31 | 2018-08-17 | 成都威特电喷有限责任公司 | It is switched off or on the partition check-valves of oil supply system oil circuit medium back flow |
| CN212080174U (en) * | 2020-01-07 | 2020-12-04 | 永嘉县电磁阀厂 | Emergency cut-off electromagnetic valve |
| CN112344046A (en) * | 2020-11-23 | 2021-02-09 | 江苏博特威流体科技有限公司 | Control valve with electromagnetism cuts off fast |
| CN113217650A (en) * | 2021-05-20 | 2021-08-06 | 黄河水利职业技术学院 | Mechanical control pipeline valve |
| CN116293067A (en) * | 2023-05-11 | 2023-06-23 | 江苏远洋阀门智控股份有限公司 | Pipeline fluid self-analysis adjusting valve |
-
2024
- 2024-02-08 CN CN202410175492.1A patent/CN117722506B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423077A (en) * | 2002-09-17 | 2003-06-11 | 郭玉钦 | Permanent magnetic hopping instant-open and instant-close valve |
| CN201031962Y (en) * | 2007-04-02 | 2008-03-05 | 郭建刚 | Valve |
| US20140261724A1 (en) * | 2012-09-28 | 2014-09-18 | Emerson Process Management Regulator Technologies, Inc. | Balanced Port Sense Profile for Improved Capacity Performance |
| CN108413099A (en) * | 2017-07-31 | 2018-08-17 | 成都威特电喷有限责任公司 | It is switched off or on the partition check-valves of oil supply system oil circuit medium back flow |
| CN212080174U (en) * | 2020-01-07 | 2020-12-04 | 永嘉县电磁阀厂 | Emergency cut-off electromagnetic valve |
| CN112344046A (en) * | 2020-11-23 | 2021-02-09 | 江苏博特威流体科技有限公司 | Control valve with electromagnetism cuts off fast |
| CN113217650A (en) * | 2021-05-20 | 2021-08-06 | 黄河水利职业技术学院 | Mechanical control pipeline valve |
| CN116293067A (en) * | 2023-05-11 | 2023-06-23 | 江苏远洋阀门智控股份有限公司 | Pipeline fluid self-analysis adjusting valve |
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| Publication number | Publication date |
|---|---|
| CN117722506B (en) | 2024-04-26 |
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