CN113357384A - Gate valve with adjustable valve plate - Google Patents
Gate valve with adjustable valve plate Download PDFInfo
- Publication number
- CN113357384A CN113357384A CN202110583795.3A CN202110583795A CN113357384A CN 113357384 A CN113357384 A CN 113357384A CN 202110583795 A CN202110583795 A CN 202110583795A CN 113357384 A CN113357384 A CN 113357384A
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- Prior art keywords
- plate
- valve plate
- valve
- flange
- wall
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
- F16K3/18—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a gate valve with an adjustable valve plate, which comprises a transverse pipe, a vertical pipe and a valve plate, wherein the upper end of the middle part of the transverse pipe is fixedly provided with the vertical pipe, the outer wall of the upper end of the vertical pipe is fixedly sleeved with a first flange plate, the vertical pipe is provided with a cover plate, the outer wall of the lower end of the cover plate is fixedly sleeved with a second flange plate, the first flange plate and the second flange plate are fixedly connected through a bolt, and the upper end of the cover plate is fixedly embedded with a sliding cylinder. Has the advantages that: the valve plate can be driven to the translation of both sides at the in-process that the valve plate descends to can utilize the valve plate to plug up first through-hole and accomplish the closed valve, can drive the valve plate to middle translation when the valve plate rises, thereby can reduce the wearing and tearing of the in-process valve plate that rises, can prevent moreover that the valve plate from taking place because the dead condition of thermal energy card, thereby can make the permanent leakproofness of keeping of gate valve, the life of increase valve plate that moreover can be great.
Description
Technical Field
The invention relates to the technical field of gate valves, in particular to a gate valve with an adjustable valve plate.
Background
The gate valve is an opening and closing piece gate plate, the movement direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled, the gate valve is sealed through contact of a valve seat and the gate plate, usually, a sealing surface can be subjected to surfacing welding of metal materials to increase abrasion resistance, such as surfacing welding of 1Cr13, STL6, stainless steel and the like, the gate plate is provided with a rigid gate plate and an elastic gate plate, and the gate valve is divided into the rigid gate valve and the elastic gate valve according to different gate plates.
The board can appear wearing and tearing after long-time the use to the gradient of valve plate and/or sealed inclined plane changes, and then sealed effect is discounted greatly, and current gate valve plate is comparatively serious with the inside wearing and tearing of valve body moreover, leads to the gate valve leakproofness will worsen after using a period, can lead to valve plate life to shorten moreover.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention aims to provide a gate valve with an adjustable valve plate, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a gate valve with an adjustable valve plate comprises a transverse pipe, wherein a vertical pipe is fixedly arranged at the upper end of the middle part of the transverse pipe, a first flange plate is fixedly sleeved on the outer wall of the upper end of the vertical pipe, a cover plate is arranged on the vertical pipe, a second flange plate is fixedly sleeved on the outer wall of the lower end of the cover plate, the first flange plate is fixedly connected with the second flange plate through a bolt, a sliding barrel is fixedly embedded at the upper end of the cover plate, a sliding rod is arranged in the sliding barrel in a sliding manner, a driving device is arranged at the upper end of the cover plate, two partition plates are fixedly arranged at the middle part of the transverse pipe, first through holes are formed in the middle parts of the partition plates, valve plates are arranged on the inner walls of the partition plates, second through holes matched with the valve plates are formed in the middle parts of the upper ends of the transverse pipes, sealing gaskets are fixedly arranged on one sides of the valve plates close to the partition plates, limiting grooves are formed in the middle parts of the lower ends of the sliding rods, and first lead screws are fixedly arranged on the inner walls of the middle parts of the bottom ends of the transverse pipe, the upper end of the first screw rod extends into the limiting groove, two accommodating cavities are formed in the position, close to the lower end, of the slide rod, transmission assemblies are arranged in the accommodating cavities, each transmission assembly comprises a first threaded cylinder, a first bearing, a second threaded cylinder, a face gear and a second screw rod, the first threaded cylinders are in threaded connection with the outer wall of the first screw rod, the first bearings are fixedly embedded in the upper ends of the accommodating cavities, connecting rings are fixedly arranged in the first bearings, the lower ends of the connecting rings are fixedly connected with the first threaded cylinders, teeth are machined on the outer wall of each first threaded cylinder, the face gears are meshed on two sides of the first threaded cylinders, the second bearings are fixedly arranged on the outer walls of two sides of the accommodating cavities, the second threaded cylinders are fixedly arranged in the second bearings, one ends of the second threaded cylinders extend into the accommodating cavities and are fixedly connected with the corresponding face gears, and a second lead screw is connected to the inner part of the second threaded cylinder in a threaded manner, and one end of the second threaded cylinder, far away from the second lead screw, is fixedly connected with the valve plate.
Furthermore, a first sealing ring is arranged between the first flange plate and the second flange plate.
Furthermore, the inner wall of the sliding cylinder is fixedly embedded with two second sealing rings, and the outer wall of the sliding rod is sleeved with the second sealing rings.
Furthermore, violently manage both ends outer wall and all fixedly overlap and be equipped with third flange dish, just third flange dish outer wall all fixedly inlays and is equipped with the third sealing washer.
Furthermore, drive arrangement includes electric putter, electric putter passes through a plurality of connecting rods to be fixed on the apron, electric putter's telescopic link pass through the shaft coupling with slide bar upper end fixed connection.
Furthermore, the accommodating cavity is of a cylindrical structure, a groove is formed in the upper end of the accommodating cavity, and the first bearing is fixed in the groove.
Compared with the prior art, the invention has the following beneficial effects: the valve plate can be driven to the translation of both sides at the in-process that the valve plate descends to can utilize the valve plate to plug up first through-hole and accomplish the closed valve, can drive the valve plate to middle translation when the valve plate rises, thereby can reduce the wearing and tearing of the in-process valve plate that rises, can prevent moreover that the valve plate from taking place because the dead condition of thermal energy card, thereby can make the permanent leakproofness of keeping of gate valve, the life of increase valve plate that moreover can be great.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a gate valve with an adjustable valve plate according to an embodiment of the present invention;
FIG. 2 is a sectional view of a gate valve with an adjustable valve plate according to an embodiment of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is a plan view of a first threaded cylinder in a valve plate adjustable gate valve according to an embodiment of the present invention.
Reference numerals:
1. a transverse tube; 2. a vertical tube; 3. a valve plate; 4. a first flange plate; 5. a second flange plate; 6. a cover plate; 7. a slide cylinder; 8. a slide bar; 9. a partition plate; 10. a first through hole; 11. a second through hole; 12. a gasket; 13. a limiting groove; 14. a first lead screw; 15. an accommodating chamber; 16. a first threaded barrel; 17. a first bearing; 18. a second bearing; 19. a second threaded barrel; 20. a face gear; 21. a second lead screw; 22. a connecting ring; 23. a first seal ring; 24. a second seal ring; 25. a third flange plate; 26. a third seal ring; 27. an electric push rod; 28. a connecting rod; 29. a coupling; 30. and (4) a groove.
Detailed Description
The invention is further described with reference to the following drawings and detailed description:
the first embodiment is as follows:
referring to fig. 1-4, a gate valve with an adjustable valve plate according to an embodiment of the present invention includes a horizontal pipe 1, a vertical pipe 2 is fixedly disposed at an upper end of a middle portion of the horizontal pipe 1, a first flange 4 is fixedly disposed on an outer wall of an upper end of the vertical pipe 2, a cover plate 6 is disposed on the vertical pipe 2, a second flange 5 is fixedly disposed on an outer wall of a lower end of the cover plate 6, the first flange 4 and the second flange 5 are fixedly connected by bolts, a sliding cylinder 7 is fixedly embedded at an upper end of the cover plate 6, a sliding rod 8 is slidably disposed in the sliding cylinder 7, a driving device is disposed at an upper end of the cover plate 6, two partition plates 9 are fixedly disposed at a middle portion of the horizontal pipe 1, first through holes 10 are disposed at middle portions of the partition plates 9, valve plates 3 are disposed at inner walls of the partition plates 9, second through holes 11 matched with the valve plates 3 are disposed at a middle portion of an upper end of the horizontal pipe 1, the valve plate 3 is close to one side of the partition plate 9 and is fixedly provided with a sealing gasket 12, the middle part of the lower end of the sliding rod 8 is provided with a limiting groove 13, the inner wall of the middle part of the bottom end of the transverse pipe 1 is fixedly provided with a first lead screw 14, the upper end of the first lead screw 14 extends into the limiting groove 13, the sliding rod 8 is close to the lower end and is provided with two accommodating cavities 15, the accommodating cavities 15 are internally provided with a transmission assembly, the transmission assembly comprises a first threaded cylinder 16, a first bearing 17, a second bearing 18, a second threaded cylinder 19, a face gear 20 and a second lead screw 21, the first threaded cylinder 16 is in threaded connection with the outer wall of the first lead screw 14, the upper end of the accommodating cavity 15 is fixedly embedded with the first bearing 17, the first bearing 17 is internally fixedly provided with a connecting ring 22, the lower end of the connecting ring 22 is fixedly connected with the first threaded cylinder 16, the outer wall of the first threaded cylinder 16 is processed with teeth, just 16 both sides of first screw thread section of thick bamboo all mesh there is a gear 20, it all fixes and is equipped with second bearing 18 to hold chamber 15 both sides outer wall, it is equipped with second screw thread section of thick bamboo 19 all to fix in the second bearing 18, 19 one end of second screw thread section of thick bamboo extend to hold in the chamber 15 and with correspond 20 fixed connection of face gear, equal threaded connection has second lead screw 21 in the second screw thread section of thick bamboo 19, just second lead screw 21 is kept away from 19 one end of second screw thread section of thick bamboo all with 3 fixed connection of valve plate.
Through the scheme of the invention, the valve plate 3 can be driven to translate towards two sides in the descending process of the valve plate 3, so that the valve plate 3 can be utilized to block the first through hole 10 to complete valve closing, the valve plate 3 can be driven to translate towards the middle when ascending, the abrasion of the valve plate 3 in the ascending process can be reduced, the valve plate 3 can be prevented from being stuck due to thermal expansion, the sealing performance of the gate valve can be kept for a long time, and the service life of the valve plate 3 can be greatly prolonged.
Example two:
referring to fig. 1-2, for the first flange plate 4, a first sealing ring 23 is disposed between the first flange plate 4 and the second flange plate 5; for the sliding cylinder 7, two second sealing rings 24 are fixedly embedded in the inner wall of the sliding cylinder 7, and the second sealing rings 24 are sleeved on the outer wall of the sliding rod 8; for the transverse pipe 1, the outer walls of the two ends of the transverse pipe 1 are fixedly sleeved with third flange discs 25, and third sealing rings 26 are fixedly embedded in the outer walls of the third flange discs 25.
Through the scheme of the invention, the first sealing ring 23 can effectively increase the sealing performance between the first flange plate 4 and the second flange plate 5, and the second sealing ring 24 can effectively increase the sealing performance between the sliding rod 8 and the sliding cylinder 7.
Example three:
referring to fig. 1-3, for the driving device, the driving device includes an electric push rod 27, the electric push rod 27 is fixed on the cover plate 6 through a plurality of connecting rods 28, and a telescopic rod of the electric push rod 27 is fixedly connected with the upper end of the slide bar 8 through a coupling 29; for the accommodating cavity 15, the accommodating cavity 15 is arranged in a cylindrical structure, a groove 30 is formed in the upper end of the accommodating cavity 15, and the first bearing 17 is fixed in the groove 30.
Through the scheme of the invention, the valve plate 3 can be driven to move up and down through the slide rod 8 by controlling the extension and retraction of the electric push rod 27.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, when the electric push rod 27 extends, the slide rod 8 and the valve plate 3 can be driven to move downwards, and the first threaded cylinder 16 can be driven to move downwards, so that the first threaded cylinder 16 rotates under the action of the first lead screw 14, and then the face gear 20 can be driven to rotate, and the second threaded cylinder 19 can be driven to rotate, and then the second lead screw 21 can be driven to unscrew from the second threaded cylinder 19, so that the valve plate 3 can be driven to translate towards two sides in the descending process of the valve plate 3, and therefore the valve plate 3 can be used for plugging the first through hole 10 to complete the closing of the valve, when the valve plate 3 ascends, the valve plate 3 can be driven to translate towards the middle, so that the abrasion of the valve plate 3 in the ascending process can be reduced, the valve plate 3 can be prevented from being stuck due to thermal expansion, and the sealing performance of the gate valve can be maintained for a long time, and the service life of the valve plate 3 can be greatly prolonged, the first sealing ring 23 can effectively increase the sealing performance between the first flange plate 4 and the second flange plate 5, and the second sealing ring 24 can effectively increase the sealing performance between the sliding rod 8 and the sliding cylinder 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The gate valve with the adjustable valve plate is characterized by comprising a transverse pipe (1), wherein a vertical pipe (2) is fixedly arranged at the upper end of the middle part of the transverse pipe (1), a first flange plate (4) is fixedly sleeved on the outer wall of the upper end of the vertical pipe (2), an cover plate (6) is arranged on the vertical pipe (2), a second flange plate (5) is fixedly sleeved on the outer wall of the lower end of the cover plate (6), the first flange plate (4) is fixedly connected with the second flange plate (5) through bolts, a sliding barrel (7) is fixedly embedded at the upper end of the cover plate (6), a sliding rod (8) is slidably arranged in the sliding barrel (7), a driving device is arranged at the upper end of the cover plate (6), two partition plates (9) are fixedly arranged at the middle part of the transverse pipe (1), first through holes (10) are formed in the middle parts of the partition plates (9), and a valve plate (3) is arranged on the inner wall of the partition plates (9), the middle part of the upper end of the transverse pipe (1) is provided with a second through hole (11) matched with the valve plate (3), the valve plate (3) is close to one side of the partition plate (9) and is fixedly provided with a sealing gasket (12), the middle part of the lower end of the sliding rod (8) is provided with a limiting groove (13), the inner wall of the middle part of the bottom end of the transverse pipe (1) is fixedly provided with a first lead screw (14), the upper end of the first lead screw (14) extends into the limiting groove (13), the sliding rod (8) is close to the lower end and is provided with two containing cavities (15), the containing cavities (15) are internally provided with transmission components, each transmission component comprises a first thread cylinder (16), a first bearing (17), a second bearing (18), a second thread cylinder (19), a face gear (20) and a second lead screw (21), and the first thread cylinders (16) are in threaded connection with the outer wall of the first lead screw (14), the upper ends of the accommodating cavities (15) are fixedly embedded with first bearings (17), connecting rings (22) are fixedly arranged in the first bearings (17), the lower end of the connecting ring (22) is fixedly connected with the first threaded cylinder (16), teeth are processed on the outer wall of the first threaded cylinder (16), face gears (20) are meshed with both sides of the first threaded cylinder (16), second bearings (18) are fixedly arranged on the outer walls of both sides of the accommodating cavity (15), a second threaded cylinder (19) is fixedly arranged in each second bearing (18), one end of each second threaded cylinder (19) extends into the containing cavity (15) and is fixedly connected with the corresponding face gear (20), the second threaded cylinders (19) are internally and respectively in threaded connection with a second screw rod (21), and one end of the second screw rod (21) far away from the second threaded cylinder (19) is fixedly connected with the valve plate (3).
2. The gate valve with the adjustable valve plate according to claim 1, wherein a first sealing ring (23) is arranged between the first flange (4) and the second flange (5).
3. The gate valve with the adjustable valve plate according to claim 1, wherein two second sealing rings (24) are fixedly embedded in the inner wall of the sliding cylinder (7), and the second sealing rings (24) are sleeved on the outer wall of the sliding rod (8).
4. The gate valve with the adjustable valve plate according to claim 1, wherein the outer walls of the two ends of the transverse pipe (1) are fixedly sleeved with third flange discs (25), and the outer walls of the third flange discs (25) are fixedly embedded with third sealing rings (26).
5. The gate valve with the adjustable valve plate according to claim 1, wherein the driving device comprises an electric push rod (27), the electric push rod (27) is fixed on the cover plate (6) through a plurality of connecting rods (28), and a telescopic rod of the electric push rod (27) is fixedly connected with the upper end of the sliding rod (8) through a coupler (29).
6. The gate valve with the adjustable valve plate according to claim 1, wherein the accommodating cavity (15) is provided in a cylindrical structure, a groove (30) is formed in the upper end of the accommodating cavity (15), and the first bearing (17) is fixed in the groove (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110583795.3A CN113357384B (en) | 2021-05-27 | 2021-05-27 | Gate valve with adjustable valve plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110583795.3A CN113357384B (en) | 2021-05-27 | 2021-05-27 | Gate valve with adjustable valve plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113357384A true CN113357384A (en) | 2021-09-07 |
| CN113357384B CN113357384B (en) | 2023-07-28 |
Family
ID=77527847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110583795.3A Active CN113357384B (en) | 2021-05-27 | 2021-05-27 | Gate valve with adjustable valve plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113357384B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812371A (en) * | 2021-10-15 | 2021-12-21 | 巫溪县人川农业开发有限公司 | Utilize cold and cool weak buck to feed breeding device of fish |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB219312A (en) * | 1923-07-21 | 1925-04-30 | Huebner & Mayer | Improvements in slide-valves |
| US20030038266A1 (en) * | 2001-08-24 | 2003-02-27 | Hallden Donald F. | Reduced torque gate valve with roller screw |
| JP2007107655A (en) * | 2005-10-14 | 2007-04-26 | Nippon Valqua Ind Ltd | Gate valve |
| JP2012237387A (en) * | 2011-05-12 | 2012-12-06 | Suiken:Kk | Valve device equipped with gate, and exchange process for equipment such as gate under continuous flow |
| CN108443525A (en) * | 2018-05-23 | 2018-08-24 | 李振华 | A kind of high-temp plane gate valve |
| CN109899547A (en) * | 2019-03-16 | 2019-06-18 | 刘旭 | A kind of manufacturing process of safety leakage proof type water valve |
| CN111120671A (en) * | 2020-01-20 | 2020-05-08 | 宁波真格液压科技有限公司 | Gate valve |
| CN111720569A (en) * | 2020-06-20 | 2020-09-29 | 邵延荣 | Flat gate valve |
| CN112096891A (en) * | 2020-08-10 | 2020-12-18 | 大冶佳和节能设备有限公司 | Flange formula copper gate valve convenient to adjust |
| CN212616429U (en) * | 2020-06-15 | 2021-02-26 | 山东万罗信和控制工程有限公司 | Novel sealing connection structure of double-gate-plate gate valve |
| CN112728145A (en) * | 2020-12-21 | 2021-04-30 | 何松 | Double-sided gate valve |
| CN112728144A (en) * | 2020-12-21 | 2021-04-30 | 何松 | Double-sided gate valve |
-
2021
- 2021-05-27 CN CN202110583795.3A patent/CN113357384B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB219312A (en) * | 1923-07-21 | 1925-04-30 | Huebner & Mayer | Improvements in slide-valves |
| US20030038266A1 (en) * | 2001-08-24 | 2003-02-27 | Hallden Donald F. | Reduced torque gate valve with roller screw |
| JP2007107655A (en) * | 2005-10-14 | 2007-04-26 | Nippon Valqua Ind Ltd | Gate valve |
| JP2012237387A (en) * | 2011-05-12 | 2012-12-06 | Suiken:Kk | Valve device equipped with gate, and exchange process for equipment such as gate under continuous flow |
| CN108443525A (en) * | 2018-05-23 | 2018-08-24 | 李振华 | A kind of high-temp plane gate valve |
| CN109899547A (en) * | 2019-03-16 | 2019-06-18 | 刘旭 | A kind of manufacturing process of safety leakage proof type water valve |
| CN111120671A (en) * | 2020-01-20 | 2020-05-08 | 宁波真格液压科技有限公司 | Gate valve |
| CN212616429U (en) * | 2020-06-15 | 2021-02-26 | 山东万罗信和控制工程有限公司 | Novel sealing connection structure of double-gate-plate gate valve |
| CN111720569A (en) * | 2020-06-20 | 2020-09-29 | 邵延荣 | Flat gate valve |
| CN112096891A (en) * | 2020-08-10 | 2020-12-18 | 大冶佳和节能设备有限公司 | Flange formula copper gate valve convenient to adjust |
| CN112728145A (en) * | 2020-12-21 | 2021-04-30 | 何松 | Double-sided gate valve |
| CN112728144A (en) * | 2020-12-21 | 2021-04-30 | 何松 | Double-sided gate valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812371A (en) * | 2021-10-15 | 2021-12-21 | 巫溪县人川农业开发有限公司 | Utilize cold and cool weak buck to feed breeding device of fish |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113357384B (en) | 2023-07-28 |
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