CN113074273B - Steam regulating valve capable of being automatically closed - Google Patents
Steam regulating valve capable of being automatically closedDownload PDFInfo
- Publication number
- CN113074273B CN113074273BCN202110444986.1ACN202110444986ACN113074273BCN 113074273 BCN113074273 BCN 113074273BCN 202110444986 ACN202110444986 ACN 202110444986ACN 113074273 BCN113074273 BCN 113074273B
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- fixedly connected
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- wall
- spring
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- 230000001105regulatory effectEffects0.000titleclaimsabstractdescription39
- XLYOFNOQVPJJNP-UHFFFAOYSA-NwaterSubstancesOXLYOFNOQVPJJNP-UHFFFAOYSA-N0.000claimsdescription8
- 239000011148porous materialSubstances0.000claimsdescription4
- 230000001276controlling effectEffects0.000claimsdescription3
- 230000000149penetrating effectEffects0.000claimsdescription3
- 238000010586diagramMethods0.000description3
- 238000012423maintenanceMethods0.000description2
- 238000000034methodMethods0.000description2
- 230000009286beneficial effectEffects0.000description1
- 230000007547defectEffects0.000description1
- 239000000463materialSubstances0.000description1
- 238000012986modificationMethods0.000description1
- 230000004048modificationEffects0.000description1
- 238000006467substitution reactionMethods0.000description1
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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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
- 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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
Description
Technical Field
The invention relates to the technical field of regulating valves, in particular to a steam regulating valve capable of being automatically closed.
Background
The steam regulating valve takes compressed air as a power source, takes a cylinder as an actuator, drives the valve by means of accessories such as an electric valve positioner, a converter, an electromagnetic valve, a position-preserving valve and the like, realizes the on-off or proportional regulation, and receives a control signal of an industrial automatic control system to finish the regulation of pipeline media: flow, pressure, temperature, etc. The pneumatic regulating valve has the characteristics of simple control, quick response, intrinsic safety and no need of taking explosion-proof measures.
When the steam regulating valve is used, the air cylinder needs to be started to start working, after the working is finished, the working time of the steam regulating valve needs to be manually closed, sometimes the working time of the steam regulating valve needs to be strictly controlled, the manual regulation is inaccurate, the automatic closing cannot be realized due to long waiting time, and when the steam regulating valve is controlled by a computer, the cost is high and the maintenance is difficult, so that the steam regulating valve capable of being automatically closed is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a steam regulating valve capable of being automatically closed.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a but self-closing's steam control valve, includes the rectangle case, the bottom inner wall fixedly connected with governing valve body of rectangle case, one side inner wall sliding connection of rectangle case has the sliding plate, fixedly connected with is same first spring between the top of sliding plate and the top inner wall of rectangle case, the top fixedly connected with fixed block of sliding plate, the below of sliding plate is provided with the control assembly who is used for controlling the valve to close and opens, the top inner wall of rectangle case is provided with the fixed subassembly that is used for fixed block, one side inner wall fixedly connected with backup pad of rectangle case, the top of backup pad is provided with the adjusting part that is used for adjusting self-closing time.
Preferably, the control assembly comprises a cylinder fixedly connected to the top of the regulating valve body, a piston rod of the cylinder is fixedly connected with the bottom of the sliding plate, a valve rod is fixedly connected to the bottom of the sliding plate, the bottom of the valve rod penetrates through the regulating valve body and extends into the regulating valve body, a rubber sleeve is fixedly sleeved on the outer wall of the valve rod, and a water inlet and a water outlet are respectively formed in two ends of the regulating valve body.
Preferably, the fixed subassembly includes fixed plate of fixed connection at rectangle case top inner wall and setups the draw-in groove in fixed block one side, the inside of fixed plate runs through sliding connection have with draw-in groove looks block complex fixture block, the outer wall fixed cover of fixture block is equipped with first cover board, one side fixedly connected with same second spring that first cover board and fixed plate are close to each other, the second spring cover is established on the fixture block, the one end fixedly connected with first arm-tie of fixture block.
Preferably, the adjusting component comprises an adjusting box fixedly connected to the top of the supporting plate, a piston plate is arranged in the adjusting box, a lifting rod is fixedly connected to the top of the piston plate, the top of the lifting rod penetrates through the adjusting box and is fixedly connected with a sleeve, the sleeve is located on one side of the clamping block, the top of the sleeve is inconsistent with the bottom of the first pulling plate, the same third spring is fixedly connected between the top of the adjusting box and the bottom of the sleeve, the third spring is sleeved on the lifting rod, a second through hole and a first through hole are formed in one side of the adjusting box, and the second through hole is located above the first through hole.
Preferably, the adjusting component further comprises a pull rod penetrating through one side of the rectangular box and connected with one side of the rectangular box in a sliding mode, two side inner walls of the rectangular box are fixedly connected with one third sleeve plate, one end of the pull rod located inside the rectangular box penetrates through the third sleeve plate, a second sleeve plate is arranged on the outer wall of the pull rod in a sliding mode, one fourth spring is arranged between the second sleeve plate and the third sleeve plate, two ends of the fourth spring are respectively abutted to one side, close to the second sleeve plate and one side, of the third sleeve plate, of the fourth spring are sleeved on the pull rod, one end, located inside the rectangular box, of the pull rod is fixedly connected with a circular plate, a plurality of air holes are formed in the inner portion of the circular plate, and one end, located outside the rectangular box, of the pull rod is fixedly connected with the second pull plate.
Preferably, the inner walls of two sides of the rectangular box are rotationally connected with the same rotating shaft, a gear is fixedly sleeved on the outer wall of the rotating shaft, a first rack meshed with the gear is fixedly connected to one side, close to the gear, of the sleeve, a vertical plate is fixedly connected to one side, close to the gear, of the sliding plate, and a second rack is fixedly connected to one side, close to the gear, of the vertical plate.
Preferably, one side of the rectangular box is fixedly connected with a scale plate, the outer wall of the second pulling plate is fixedly connected with a pointer, and the scale plate is marked with the scale of the automatic closing time.
Preferably, the pore sizes of the plurality of pores are different.
Compared with the prior art, the invention has the beneficial effects that:
1. starting the air cylinder, wherein a piston rod of the air cylinder drives the sliding plate to vertically move upwards, the sliding plate extrudes the first spring and drives the fixed block and the vertical plate to vertically move upwards, the vertical plate drives the second rack to vertically move upwards, the second rack drives the gear to rotate, the gear drives the first rack to vertically move downwards, the first rack drives the sleeve to vertically move downwards, and then the sleeve is prevented from abutting against the first pull plate, and the clamping block is in a brake release state;
2. the fixed block continues to move upwards, the clamping block is clamped with the clamping groove, the fixed block is further fixed, the sleeve drives the lifting rod to move vertically downwards and extrude the third spring, and the lifting rod drives the piston plate to move vertically downwards;
3. the second pull plate is transversely pulled and rotated, the pull rod drives the circular plate to transversely move, the circular plate drives the second sleeve plate to transversely move and extrude the fourth spring, the second pull plate drives the pull rod and the pointer to rotate, the pull rod drives the circular plate to rotate, so that air holes with different apertures are communicated with the second through holes, the air outlet speed is regulated, and the automatic closing time is determined according to scales on the scale plate;
4. closing the cylinder, slowly rebounding the piston plate, driving the lifting rod to vertically move upwards by the piston plate, driving the sleeve to vertically move upwards by the lifting rod, driving the first pull plate to transversely move by the sleeve, driving the clamping block to transversely move by the first pull plate, further relieving the clamping state with the fixed block, returning the sliding plate to the original position under the action of the elasticity of the first spring, driving the gear to rotate by the second rack in the sliding process, and driving the sleeve to move upwards by a small amplitude by the gear, so as to close the regulating valve body.
According to the invention, the air cylinder is started to open the regulating valve body, and then the second pulling plate is transversely pulled and rotated according to actual requirements, so that air holes with different apertures are communicated with the second through holes, the air outlet speed is regulated, the automatic closing time is determined according to the scales on the scale plate, the automatic closing time is not required to be manually watched, a large amount of manpower and material resources are saved, the maintenance cost is reduced, the technology and experience are not required, the structure is simple, and the operation is convenient.
Drawings
FIG. 1 is a schematic diagram of a schematic cross-sectional front view of an automatically closable steam regulator according to the present invention;
FIG. 2 is a schematic diagram of a sectional front view of a regulator valve body according to the present invention;
FIG. 3 is an enlarged view of section A of the present invention;
FIG. 4 is an enlarged view of section B of the present invention;
FIG. 5 is a schematic side view of a circular plate according to the present invention;
FIG. 6 is a schematic diagram of a front cross-sectional structure of the regulating tank of the present invention;
fig. 7 is a schematic side view of the scale plate of the present invention.
In the figure: 1. a rectangular box; 2. a first spring; 3. a lifting rod; 4. an adjusting box; 5. a support plate; 6. a riser; 7. a regulating valve body; 8. a rubber sleeve; 9. a valve stem; 10. a cylinder; 11. a sliding plate; 12. a water inlet; 13. a water outlet; 14. a clamping groove; 15. a fixed block; 16. a first sleeve plate; 17. a clamping block; 18. a second spring; 19. a fixing plate; 20. a first pulling plate; 21. a sleeve; 22. a first rack; 23. a gear; 24. a rotating shaft; 25. a second rack; 26. a third spring; 27. a second pulling plate; 28. a pointer; 29. a fourth spring; 30. a second set of plates; 31. a circular plate; 32. a third set of plates; 33. a pull rod; 34. a scale plate; 35. air holes; 36. a first through hole; 37. a second through hole; 38. a piston plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1-7, a steam regulating valve capable of being automatically closed comprises arectangular box 1, wherein the bottom inner wall of therectangular box 1 is fixedly connected with a regulatingvalve body 7, one side inner wall of therectangular box 1 is slidably connected with a slidingplate 11, the top of the slidingplate 11 and the top inner wall of therectangular box 1 are fixedly connected with the samefirst spring 2, the top of the slidingplate 11 is fixedly connected with a fixedblock 15, a control component for controlling the valve to be closed and opened is arranged below the slidingplate 11, the top inner wall of therectangular box 1 is provided with a fixed component for fixing the fixedblock 15, one side inner wall of therectangular box 1 is fixedly connected with a supportingplate 5, and the top of the supportingplate 5 is provided with a regulating component for regulating automatic closing time.
In the invention, the control assembly comprises anair cylinder 10 fixedly connected to the top of a regulatingvalve body 7, a piston rod of theair cylinder 10 is fixedly connected with the bottom of a slidingplate 11, the bottom of the slidingplate 11 is fixedly connected with avalve rod 9, the bottom of thevalve rod 9 penetrates through the regulatingvalve body 7 and extends into the regulatingvalve body 7, arubber sleeve 8 is fixedly sleeved on the outer wall of thevalve rod 9, and two ends of the regulatingvalve body 7 are respectively provided with awater inlet 12 and awater outlet 13.
In the invention, the fixing component comprises a fixingplate 19 fixedly connected to the inner wall of the top of therectangular box 1 and a clampinggroove 14 arranged on one side of the fixingblock 15, a clampingblock 17 in clamping fit with the clampinggroove 14 is penetrated and connected in the fixingplate 19 in a sliding manner, afirst sleeve plate 16 is fixedly sleeved on the outer wall of the clampingblock 17, one side, close to the fixingplate 19, of thefirst sleeve plate 16 is fixedly connected with the samesecond spring 18, thesecond spring 18 is sleeved on the clampingblock 17, and one end of the clampingblock 17 is fixedly connected with a first pullingplate 20.
According to the invention, the adjusting assembly comprises anadjusting box 4 fixedly connected to the top of a supportingplate 5, apiston plate 38 is arranged in theadjusting box 4, a liftingrod 3 is fixedly connected to the top of thepiston plate 38, the top of the liftingrod 3 penetrates through theadjusting box 4 and is fixedly connected with asleeve 21, thesleeve 21 is positioned on one side of aclamping block 17, the top of thesleeve 21 is abutted against the bottom of afirst pull plate 20, the samethird spring 26 is fixedly connected between the top of theadjusting box 4 and the bottom of thesleeve 21, thethird spring 26 is sleeved on the liftingrod 3, a second throughhole 37 and a first throughhole 36 are formed in one side of theadjusting box 4, and the second throughhole 37 is positioned above the first throughhole 36.
In the invention, the adjusting assembly further comprises apull rod 33 penetrating through and connected to one side of therectangular box 1 in a sliding manner, the inner walls of the two sides of therectangular box 1 are fixedly connected with the samethird sleeve plate 32, one end of thepull rod 33 positioned in therectangular box 1 penetrates through thethird sleeve plate 32, asecond sleeve plate 30 is sleeved on the outer wall of thepull rod 33 in a sliding manner, the samefourth spring 29 is arranged between thesecond sleeve plate 30 and thethird sleeve plate 32, two ends of thefourth spring 29 respectively abut against one side, close to thesecond sleeve plate 30 and thethird sleeve plate 32, of thefourth spring 29, thefourth spring 29 is sleeved on thepull rod 33, one end, positioned in therectangular box 1, of thepull rod 33 is fixedly connected with acircular plate 31, a plurality ofair holes 35 are formed in thecircular plate 31, and one end, positioned outside therectangular box 1, of thepull rod 33 is fixedly connected with thesecond pull plate 27.
In the invention, the inner walls of two sides of arectangular box 1 are rotatably connected with the samerotating shaft 24, the outer wall of therotating shaft 24 is fixedly sleeved with agear 23, one side of asleeve 21 close to thegear 23 is fixedly connected with afirst rack 22 meshed with thegear 23, one side of a slidingplate 11 close to thegear 23 is fixedly connected with avertical plate 6, and one side of thevertical plate 6 close to thegear 23 is fixedly connected with asecond rack 25.
In the present invention, the pore sizes of the plurality ofair holes 35 are different.
Example two
The present embodiment is modified based on the first embodiment: one side of therectangular box 1 is fixedly connected with ascale plate 34, the outer wall of the second pullingplate 27 is fixedly connected with apointer 28, and thescale plate 34 is marked with the scale of the automatic closing time.
Working principle: when the brake device is used, the cylinder 10 is started, the piston rod of the cylinder 10 drives the sliding plate 11 to vertically move upwards, the sliding plate 11 extrudes the first spring 2 and drives the fixed block 15 and the vertical plate 6 to vertically move upwards, the vertical plate 6 drives the second rack 25 to vertically move upwards, the second rack 25 drives the gear 23 to rotate, the gear 23 drives the first rack 22 to vertically move downwards, the first rack 22 drives the sleeve 21 to vertically move downwards, the sleeve 21 is further prevented from abutting against the first pulling plate 20, the clamping block 17 is in a brake-releasing state at the moment, the fixed block 15 continues to move upwards, the clamping block 17 is clamped with the clamping groove 14, the fixed block 15 is further fixed, the sleeve 21 drives the lifting rod 3 to vertically move downwards and extrude the third spring 26, the lifting rod 3 drives the piston plate 38 to vertically move downwards, the second pulling plate 27 is transversely pulled to rotate, the pulling rod 33 drives the circular plate 31 to transversely move, the circular plate 31 drives the second sleeve plate 30 to transversely move and extrude the fourth spring 29, the second pull plate 27 drives the pull rod 33 and the pointer 28 to rotate, the pull rod 33 drives the circular plate 31 to rotate, so that the air holes 35 with different apertures are communicated with the second through holes 37, the air outlet speed is regulated, further, the automatic closing time is determined according to the scale on the scale plate 34, the cylinder 10 is closed, the piston plate 38 slowly rebounds, the piston plate 38 drives the lifting rod 3 to vertically move upwards, the lifting rod 3 drives the sleeve 21 to vertically move upwards, the sleeve 21 drives the first pull plate 20 to transversely move, the first pull plate 20 drives the clamping block 17 to transversely move, the clamping state with the fixed block 15 is further released, the sliding plate 11 is restored to the original position under the action of the elasticity of the first spring 2, the second rack 25 drives the gear 23 to rotate in the sliding process, the gear 23 can drive the sleeve 21 to move upwards by a small extent, and then closes the regulating valve body 7.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. The utility model provides a but steam control valve of self-closing, includes rectangle case (1), its characterized in that, the bottom inner wall fixedly connected with governing valve body (7) of rectangle case (1), one side inner wall sliding connection of rectangle case (1) has slide plate (11), fixedly connected with same first spring (2) between the top of slide plate (11) and the top inner wall of rectangle case (1), the top fixedly connected with fixed block (15) of slide plate (11), the below of slide plate (11) is provided with the control assembly who is used for controlling the valve and closes and open, the top inner wall of rectangle case (1) is provided with the fixed assembly who is used for fixed block (15), one side inner wall fixedly connected with backup pad (5) of rectangle case (1), the top of backup pad (5) is provided with the adjusting assembly who is used for adjusting the self-closing time;
the adjusting assembly comprises an adjusting box (4) fixedly connected to the top of a supporting plate (5), a piston plate (38) is arranged in the adjusting box (4), a lifting rod (3) is fixedly connected to the top of the piston plate (38), the top of the lifting rod (3) penetrates through the adjusting box (4) and is fixedly connected with a sleeve (21), the sleeve (21) is located on one side of a clamping block (17), the top of the sleeve (21) is abutted to the bottom of a first pulling plate (20), the same third spring (26) is fixedly connected between the top of the adjusting box (4) and the bottom of the sleeve (21), the third spring (26) is sleeved on the lifting rod (3), a second through hole (37) and a first through hole (36) are formed in one side of the adjusting box (4), and the second through hole (37) is located above the first through hole (36);
the adjusting assembly further comprises a pull rod (33) which penetrates through one side of the rectangular box (1) and is connected with one third sleeve plate (32) in a sliding manner, one end of the pull rod (33) located inside the rectangular box (1) penetrates through the third sleeve plate (32), a second sleeve plate (30) is sleeved on the outer wall of the pull rod (33) in a sliding manner, one fourth spring (29) is arranged between the second sleeve plate (30) and the third sleeve plate (32), two ends of the fourth spring (29) are respectively abutted against one side, close to the second sleeve plate (30) and the third sleeve plate (32), of the fourth spring (29) in a sleeved mode, one end, located inside the rectangular box (1), of the pull rod (33) is fixedly connected with a circular plate (31), a plurality of air holes (35) are formed in the inner portion of the circular plate (31), and one end, located outside the rectangular box (1), of the pull rod (33) is fixedly connected with a second pull plate (27);
the two-side inner walls of the rectangular box (1) are rotatably connected with the same rotating shaft (24), a gear (23) is fixedly sleeved on the outer wall of the rotating shaft (24), a first rack (22) meshed with the gear (23) is fixedly connected to one side, close to the gear (23), of the sleeve (21), a vertical plate (6) is fixedly connected to one side, close to the gear (23), of the sliding plate (11), and a second rack (25) is fixedly connected to one side, close to the gear (23), of the vertical plate (6);
the pore sizes of the air holes (35) are different;
the control assembly comprises an air cylinder (10) fixedly connected to the top of the regulating valve body (7), a piston rod of the air cylinder (10) is fixedly connected with the bottom of the sliding plate (11), a valve rod (9) is fixedly connected to the bottom of the sliding plate (11), the bottom of the valve rod (9) penetrates through the regulating valve body (7) and extends into the regulating valve body (7), a rubber sleeve (8) is fixedly sleeved on the outer wall of the valve rod (9), and a water inlet (12) and a water outlet (13) are respectively formed in two ends of the regulating valve body (7);
the fixing assembly comprises a fixing plate (19) fixedly connected to the inner wall of the top of the rectangular box (1) and a clamping groove (14) formed in one side of the fixing block (15), a clamping block (17) matched with the clamping groove (14) in a clamping way is connected in a penetrating and sliding manner in the fixing plate (19), a first sleeve plate (16) is fixedly sleeved on the outer wall of the clamping block (17), one second spring (18) is fixedly connected to one side, close to the fixing plate (19), of the first sleeve plate (16), the second spring (18) is sleeved on the clamping block (17), and a first pulling plate (20) is fixedly connected to one end of the clamping block (17);
one side of the rectangular box (1) is fixedly connected with a scale plate (34), the outer wall of the second pulling plate (27) is fixedly connected with a pointer (28), and the scale plate (34) is marked with the scale of the automatic closing time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110444986.1ACN113074273B (en) | 2021-04-24 | 2021-04-24 | Steam regulating valve capable of being automatically closed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110444986.1ACN113074273B (en) | 2021-04-24 | 2021-04-24 | Steam regulating valve capable of being automatically closed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113074273A CN113074273A (en) | 2021-07-06 |
| CN113074273Btrue CN113074273B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110444986.1AActiveCN113074273B (en) | 2021-04-24 | 2021-04-24 | Steam regulating valve capable of being automatically closed |
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| CN (1) | CN113074273B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018313A (en)* | 2021-08-24 | 2022-02-08 | 贵州宝智达网络科技有限公司 | A temperature and humidity acquisition device based on NB-IoT wireless communication |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2315050A1 (en)* | 1975-06-16 | 1977-01-14 | Anchor Darling Valve Co | MAIN STEAM ISOLATION VALVE |
| GB9706926D0 (en)* | 1996-04-04 | 1997-05-21 | Baker Hughes Inc | Valve actuator |
| CN201513578U (en)* | 2009-09-28 | 2010-06-23 | 精工阀门有限公司 | Stop, check and control valve |
| CN105650322A (en)* | 2016-03-28 | 2016-06-08 | 郜鹏 | A quick closing safety valve |
| CN107289166A (en)* | 2017-08-16 | 2017-10-24 | 宁波艾迪西国际贸易有限公司 | A kind of shutoff valve |
| CN208595294U (en)* | 2018-08-24 | 2019-03-12 | 无锡科企孵化信息科技有限公司 | A kind of air vent valve |
| CN212745212U (en)* | 2020-07-17 | 2021-03-19 | 杭州力琪阀门有限公司 | Combined regulating valve |
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| Publication number | Publication date |
|---|---|
| CN113074273A (en) | 2021-07-06 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | Denomination of invention:A steam regulating valve that can automatically close Granted publication date:20230606 Pledgee:China Minsheng Banking Corp Wenzhou branch Pledgor:Jinggong Valve Group Co.,Ltd. Registration number:Y2024980005148 |