CN112728145A - Double-sided gate valve - Google Patents
Double-sided gate valve Download PDFInfo
- Publication number
- CN112728145A CN112728145A CN202011515925.1A CN202011515925A CN112728145A CN 112728145 A CN112728145 A CN 112728145A CN 202011515925 A CN202011515925 A CN 202011515925A CN 112728145 A CN112728145 A CN 112728145A
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- Prior art keywords
- valve
- sliding sleeve
- double
- pair
- valve rod
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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
- 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
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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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
- F16K3/029—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 two or more gates
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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
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
- F16K3/316—Guiding of the slide
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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
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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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
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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
- F16K31/60—Handles
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Abstract
The invention discloses a double-sided gate valve, which comprises a valve body, a valve rod and a pair of gate plates, wherein a communicated fixed sleeve is fixed at the upper end of the valve body, the valve rod is arranged in the fixed sleeve and is rotationally connected with the fixed sleeve, a reversing mechanism is also arranged in the valve body, the reversing mechanism comprises a sliding sleeve, a main rotating part and a transverse lead screw, the sliding sleeve is matched with the valve rod, the sliding sleeve is also matched with the fixed sleeve, the valve rod is matched with the main rotating part, the sliding sleeve is also rotationally connected with the transverse lead screw, one end of the transverse lead screw is matched with the main rotating part, and; the reversing mechanism is arranged in the valve body, and the valve rod rotates to drive the gate plate to lift and contract at the same time, so that double-sided sealing is formed, and the sealing property of the gate valve is improved; meanwhile, compensation springs are arranged between the upper end and the lower end of the limiting cavity and the sliding block, when abrasion gaps occur between the flashboard and the valve port in the valve body, the valve rod is continuously rotated, the abrasion gaps between the flashboard and the valve port are eliminated, and the sealing performance is further improved.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a double-sided gate valve.
Background
The gate valve is the most important valve at present, and is widely used for the circulation and the cut-off of media such as liquid, gas, dust and the like. Generally, a gate valve comprises a valve body, a gate plate and a valve rod, wherein the gate plate is driven to move up and down by the rotation of the valve rod to open and close the valve; however, in the actual use process, because the flashboard uses for a long time, the contact position of the flashboard and the valve port is abraded seriously, and the sealing performance of the flashboard is poor.
Disclosure of Invention
The invention provides a double-sided gate valve aiming at the situation in the background technology, double-sided sealing is realized by installing double gate plates, and the double gate plates are connected with a valve rod through an elastic compensation mechanism, so that the sealing property of the gate valve is greatly improved.
In order to solve the technical problem, the invention is solved by the following technical scheme: a double-sided gate valve comprises a valve body, a valve rod and a pair of gate plates, wherein the upper end of the valve body is fixedly provided with a communicated fixed sleeve, the valve rod is installed in the fixed sleeve and is rotationally connected with the fixed sleeve, a reversing mechanism is further installed in the valve body and comprises a sliding sleeve, a main rotating part and a pair of symmetrical transverse lead screws, the sliding sleeve is matched with the valve rod to form a lead screw, the sliding sleeve is further matched with the fixed sleeve in a guiding manner, the valve rod is in spline fit with the main rotating part, the sliding sleeve is further rotationally connected with the transverse lead screws, one end of each transverse lead screw is matched with the main rotating part, the gate plates are matched with the transverse lead screws through an elastic compensation mechanism, the elastic compensation mechanism comprises a sliding block and a pair of compensation springs, the sliding block is matched with the transverse lead screws, the sliding block is further matched with the sliding, and the compensation springs are arranged at the upper end and the lower end of the clamping position.
Preferably, the valve body with still be equipped with a pair of seal groove on the inside wall of fixed cover hookup location, install the sealing washer in the seal groove, the sealing washer with the sliding sleeve lateral wall cooperation.
Preferably, valve rod upper portion is equipped with the draw-in groove, the valve rod passes through the draw-in groove with fixed cover port rotates and connects, the hand wheel is still installed to the valve rod upper end.
Preferably, the outer side wall of the valve rod is provided with a screw rod groove, the inner side wall of the upper end of the sliding sleeve is provided with a screw rod section, and the screw rod section is matched with the screw rod groove.
Preferably, a pair of symmetrical guide rods is inwards arranged at the upper end of the fixed sleeve, a pair of guide holes are formed in the sliding sleeve, and the guide rods are matched with the guide holes.
Preferably, the lower end of the sliding sleeve is provided with a pair of sealing check blocks, a rolling way is arranged in the middle of each sealing check block, the main rotating part is matched with the sealing check blocks through fixed sealing rings, rolling grooves are formed in the side walls of the sealing rings, and a plurality of balls are arranged between the rolling ways and the rolling grooves.
Preferably, the center of the valve rod is a spline groove, and the main rotating part is matched with the spline groove through a spline shaft.
Preferably, a pair of symmetrical connecting plates is fixed at the bottom of the sliding sleeve, the transverse screw rod is rotatably connected with the connecting plates, an auxiliary bevel gear is arranged at one end of the transverse screw rod, and the auxiliary bevel gear is matched with a main bevel gear fixed at the lower end of the main rotating component.
Preferably, the slide block is provided with a pair of guide grooves, the connecting plate on each side is provided with a pair of guide plates, and the guide grooves are matched with the guide plates.
Preferably, the flashboard is the boss type, the main aspects of flashboard are equipped with spacing chamber, the slider tip stretches into spacing intracavity to spacing groove that is equipped with through the tip with the lateral wall joint in spacing chamber, simultaneously the upper and lower end in spacing chamber with all install between the slider compensation spring.
The invention has the beneficial effects that:
1. through a pair of flashboards of installation in the valve body to be connected with reversing mechanism through the slider, reversing mechanism passes through main rotating part and valve rod cooperation simultaneously, drives the lift and the shrink of flashboard through the rotation of valve rod, and then forms the two-sided sealed to the valve body port, has improved the leakproofness of gate valve.
2. Through set up spacing chamber at the main aspects of flashboard to through spacing groove joint on spacing chamber and the slider, all install compensating spring between lower extreme and the slider about spacing chamber simultaneously, can guarantee when the wearing and tearing clearance appears in flashboard and the valve port in the valve body, the accessible continues rotatory valve rod, under compensating spring and spacing chamber's effect, eliminates the wearing and tearing clearance of flashboard and valve body port, further improves the leakproofness.
Drawings
Fig. 1 is a schematic diagram of the external structure of the invention.
Fig. 2 is a front sectional view of the present invention.
Fig. 3 is an enlarged view of the invention at section a in fig. 2.
FIG. 4 is a schematic illustration of the invention shown in FIG. 2 with a partial B prescription.
Fig. 5 is a schematic view of the internal structure of the valve body of the present invention.
Fig. 6 is a schematic view of the valve stem construction of the present invention.
Fig. 7 is an exploded view of the reversing mechanism of the present invention.
FIG. 8 is a schematic view of the internal structure of the sliding sleeve of the present invention.
Fig. 9 is an exploded view of the shutter elasticity compensation mechanism of the present invention.
FIG. 10 is a schematic view showing a closed state of the double-sided gate valve according to the present invention.
In the figure: the valve comprises a valve body 1, a fixing sleeve 101, a guide rod 102, a sealing groove 103, a receiving cavity 104, a valve rod 2, a hand wheel 201, a clamping groove 202, a spline groove 203, a sliding sleeve 3, a screw rod section 301, a guide hole 302, a connecting plate 303, a guide plate 304, a sealing stop 305, a raceway 306, a spline shaft 401, a sealing ring 402, a rolling groove 403, a main bevel gear 404, a transverse screw 405, a secondary bevel gear 406, a ball 5, a sliding block 601, a limiting groove 602, a guide groove 603, a gate plate 604, a limiting cavity 605, a compensating spring 606 and a sealing ring 7.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any creative effort, are within the protection scope of the present invention.
Embodiment is shown in fig. 1 to 10, a double-sided gate valve, which includes a valve body 1, a valve rod 2 and a pair of gate plates 604, wherein a communicating fixing sleeve 101 is fixed at the upper end of the valve body 1, the valve rod 2 is installed in the fixing sleeve 101 and rotatably connected therewith, a reversing mechanism is further installed in the valve body 1, the reversing mechanism includes a sliding sleeve 3, a main rotating component and a pair of symmetrical transverse screws 405, the sliding sleeve 3 forms a screw cooperation with the valve rod 2, the sliding sleeve 3 is further in guiding cooperation with the fixing sleeve 101, the valve rod 2 is in spline fit with the main rotating component, the sliding sleeve 3 is further rotatably connected with the transverse screws 405, one end of the transverse screws 405 is engaged with the main rotating component, the gate plates 604 are engaged with the transverse screws 405 through an elastic compensation mechanism, the elastic compensation mechanism includes a sliding block 601 and a pair of compensation springs 606, the slider 601 with horizontal lead screw 405 cooperation, the slider 601 still with sliding sleeve 3 direction cooperation, the flashboard 604 joint is in the tip of slider 601 to the lower extreme is all installed on the joint position compensation spring 606.
The valve body 1 with still be equipped with a pair of seal groove 103 on the inside wall of fixed cover 101 hookup location, install sealing washer 7 in the seal groove 103, sealing washer 7 with 3 lateral walls of sliding sleeve cooperate, guarantee that sliding sleeve 3 does not take place to leak when sliding.
2 upper portions of valve rod are equipped with draw-in groove 202, valve rod 2 passes through draw-in groove 202 with fixed cover 101 port rotates to be connected, hand wheel 201 is still installed to 2 upper ends of valve rod, through rotating hand wheel 201 can drive valve rod 2 rotates.
The outer side wall of the valve rod 2 is provided with a screw rod groove, the inner side wall of the upper end of the sliding sleeve 3 is provided with a screw rod section 301, and the screw rod section 301 is matched with the screw rod groove; a pair of symmetrical guide rods 102 is inwards arranged at the upper end of the fixed sleeve 101, a pair of guide holes 302 is arranged on the sliding sleeve 3, and the guide rods 102 are matched with the guide holes 302. The sliding sleeve 3 can be driven to slide downwards along the guide rod 102 by the rotation of the valve rod 2.
The lower end of the sliding sleeve 3 is provided with a pair of sealing stoppers 305, a raceway 306 is arranged in the middle of the sealing stoppers 305, the main rotating part is matched with the sealing stoppers 305 through a fixed sealing ring 402, the side wall of the sealing ring 402 is provided with a rolling groove 403, and a plurality of balls 5 are arranged between the raceway 306 and the rolling groove 403. The sealing stopper 305 forms a seal with the sealing ring 402 and simultaneously drives the main rotating part to move along with the sliding of the sliding sleeve 3; the center of the valve rod 2 is a spline groove 203, the main rotating part is matched with the spline groove 203 through a spline shaft 401, the main rotating part is guaranteed to move along with the valve rod 2 when the sliding sleeve 3 moves, and the rotating efficiency of the main rotating part is improved through the balls 5.
A pair of symmetrical connecting plates 303 is fixed at the bottom of the sliding sleeve 3, the transverse screw rod 405 is rotatably connected with the connecting plates 303, an auxiliary bevel gear 406 is arranged at one end of the transverse screw rod 405, the auxiliary bevel gear 406 is matched with a main bevel gear 404 fixed at the lower end of the main rotating part, a pair of guide grooves 603 are formed in the sliding block 601, a pair of guide plates 304 is arranged on each side of the connecting plates 303, and the guide grooves 603 are matched with the guide plates 304. The main rotating part rotates to drive the transverse screw rod 405 to rotate, and then the sliding block 601 is driven to slide along the transverse screw rod 405.
The gate plate 604 is of a boss type, a limiting cavity 605 is arranged at the large end of the gate plate 604, the end part of the sliding block 601 extends into the limiting cavity 605 and is clamped with the side wall of the limiting cavity 605 through a limiting groove 602 arranged at the end part, and meanwhile the compensating spring 606 is arranged between the upper end and the lower end of the limiting cavity 605 and the sliding block 601.
The specific working process is as follows: when the gate valve is in an open state, as shown in fig. 2, the two gate plates 604 are respectively located at positions closest to the sliding sleeve 3 by the sliding blocks 601 and are also located in the receiving chamber 104 at the upper end inside the valve body 1.
When the gate valve is in a closed state, as shown in fig. 10, in the closing process of the gate valve, the hand wheel 201 is rotated to drive the valve rod 2 to rotate, in the rotating process of the valve rod 2, the sliding sleeve 3 moves downward through the matching of the screw rod section 301 and the screw rod groove on the valve rod 2, in the moving process of the sliding sleeve 3, the sealing stopper 305 drives the main rotating part to move downward together, and at the same time, the main rotating part is also matched with the spline groove 203 arranged at the center of the valve rod 2 through the spline shaft 401, and further rotates while moving downward, the rotation of the main rotating part can drive the transverse screw rod 405 rotationally connected with the connecting plate 303 through the main bevel gear 404, and further drive the sliding block 601 on the transverse screw rod 405 to move to the left and right sides along the transverse screw rod 405, that is, the flashboards 604 on the two sides move to the two sides respectively, and simultaneously moves downward with the sliding sleeve 3, and finally matches with the two, at this time, the gate valve is in a closed state.
Because the surface of the gate plate 604 is elastic sealing material, when a gap is generated at the matching position of the gate plate 604 and the valve port due to abrasion, the valve rod 2 can be continuously rotated to further drive the transverse screw rod 405 to continuously rotate, further drive the sliding blocks 601 at the two sides to continuously and synchronously move downwards and at the two sides, and under the action of the compensation spring 606 and the limiting cavity 605, the gate plate 604 only transversely moves to compensate the gap generated due to abrasion, so that the sealing property is improved; meanwhile, the overall installation precision of the valve body 1 can be reduced by arranging the elastic compensation mechanism, and the installation efficiency is improved.
Claims (10)
1. The utility model provides a double-sided gate valve, includes valve body (1), valve rod (2) and a pair of flashboard (604), valve body (1) upper end is fixed with fixed cover (101) of intercommunication, its characterized in that: valve rod (2) are installed in fixed cover (101) and rotate with it and be connected, reversing mechanism still installs in valve body (1), reversing mechanism includes sliding sleeve (3), main rotating part and a pair of symmetrical horizontal lead screw (405), sliding sleeve (3) with valve rod (2) form the lead screw cooperation, sliding sleeve (3) still with fixed cover (101) direction cooperation, valve rod (2) with main rotating part spline fit, sliding sleeve (3) still with horizontal lead screw (405) rotate the connection, horizontal lead screw (405) one end with main rotating part cooperation, flashboard (604) through elasticity compensation mechanism with horizontal lead screw (405) cooperation, elasticity compensation mechanism includes slider (601) and a pair of compensating spring (606), slider (601) with horizontal lead screw (405) cooperation, slider (601) still with sliding sleeve (3) direction cooperation, flashboard (604) joint is in the tip of slider (601) to the lower extreme all installs on the joint position compensation spring (606).
2. The double-sided gate valve of claim 1, wherein: the valve body (1) with still be equipped with a pair of seal groove (103) on the inside wall of fixed cover (101) hookup location, install sealing washer (7) in seal groove (103), sealing washer (7) with sliding sleeve (3) lateral wall cooperation.
3. The double-sided gate valve of claim 1, wherein: valve rod (2) upper portion is equipped with draw-in groove (202), valve rod (2) pass through draw-in groove (202) with fixed cover (101) port rotates to be connected, hand wheel (201) are still installed to valve rod (2) upper end.
4. The double-sided gate valve of claim 1, wherein: the outer side wall of the valve rod (2) is provided with a screw rod groove, the inner side wall of the upper end of the sliding sleeve (3) is provided with a screw rod section (301), and the screw rod section (301) is matched with the screw rod groove.
5. The double-sided gate valve of claim 1, wherein: the upper end of the fixed sleeve (101) is inwards provided with a pair of symmetrical guide rods (102), the sliding sleeve (3) is provided with a pair of guide holes (302), and the guide rods (102) are matched with the guide holes (302).
6. The double-sided gate valve of claim 1, wherein: the lower end of the sliding sleeve (3) is provided with a pair of sealing stop blocks (305), a rolling way (306) is arranged in the middle of each sealing stop block (305), the main rotating part is matched with the sealing stop blocks (305) through a fixed sealing ring (402), the side wall of each sealing ring (402) is provided with a rolling groove (403), and a plurality of balls (5) are arranged between the rolling ways (403) and the rolling way (306).
7. The double-sided gate valve of claim 1, wherein: the valve rod (2) center is spline groove (203), main rotating member pass through spline shaft (401) with spline groove (203) cooperation.
8. The double-sided gate valve of claim 1, wherein: a pair of symmetrical connecting plates (303) is fixed at the bottom of the sliding sleeve (3), the transverse screw rod (405) is rotatably connected with the connecting plates (303), an auxiliary bevel gear (406) is arranged at one end of the transverse screw rod (405), and the auxiliary bevel gear (406) is matched with a main bevel gear (404) fixed at the lower end of the main rotating part.
9. The double-sided gate valve of claim 8, wherein: the sliding block (601) is provided with a pair of guide grooves (603), the connecting plate (303) on each side is provided with a pair of guide plates (304), and the guide grooves (603) are matched with the guide plates (304).
10. The double-sided gate valve of claim 1, wherein: the gate plate (604) is of a boss type, a limiting cavity (605) is arranged at the large end of the gate plate (604), the end part of the sliding block (601) extends into the limiting cavity (605), and is clamped with the side wall of the limiting cavity (605) through a limiting groove (602) arranged at the end part, and meanwhile, the compensation spring (606) is arranged between the upper end and the lower end of the limiting cavity (605) and the sliding block (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515925.1A CN112728145A (en) | 2020-12-21 | 2020-12-21 | Double-sided gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515925.1A CN112728145A (en) | 2020-12-21 | 2020-12-21 | Double-sided gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112728145A true CN112728145A (en) | 2021-04-30 |
Family
ID=75603636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011515925.1A Pending CN112728145A (en) | 2020-12-21 | 2020-12-21 | Double-sided gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112728145A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357384A (en) * | 2021-05-27 | 2021-09-07 | 欧冠阀门科技有限公司 | Gate valve with adjustable valve plate |
| CN115451146A (en) * | 2022-08-03 | 2022-12-09 | 江苏高达阀门有限公司 | Wear-resistant high-sealing-performance knife gate valve and using method thereof |
| CN116927895A (en) * | 2023-09-13 | 2023-10-24 | 华能济南黄台发电有限公司 | Zero-output input device for low-pressure cylinder of steam turbine |
| CN117646804A (en) * | 2024-01-30 | 2024-03-05 | 潍坊威特尔管业有限公司 | Mining electric control valve and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351550A (en) * | 2015-12-16 | 2016-02-24 | 温州职业技术学院 | Double-plate hard sealing gate valve |
| CN108443525A (en) * | 2018-05-23 | 2018-08-24 | 李振华 | A kind of high-temp plane gate valve |
| CN109764140A (en) * | 2019-02-20 | 2019-05-17 | 郑兴 | A kind of double -face sluice valve |
| CN208935434U (en) * | 2018-10-10 | 2019-06-04 | 中冶南方工程技术有限公司 | Two way seal gate valve |
| CN213575653U (en) * | 2020-09-04 | 2021-06-29 | 天津钧杰阀门有限公司 | Wedge type double-gate-plate gate valve |
-
2020
- 2020-12-21 CN CN202011515925.1A patent/CN112728145A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351550A (en) * | 2015-12-16 | 2016-02-24 | 温州职业技术学院 | Double-plate hard sealing gate valve |
| CN108443525A (en) * | 2018-05-23 | 2018-08-24 | 李振华 | A kind of high-temp plane gate valve |
| CN208935434U (en) * | 2018-10-10 | 2019-06-04 | 中冶南方工程技术有限公司 | Two way seal gate valve |
| CN109764140A (en) * | 2019-02-20 | 2019-05-17 | 郑兴 | A kind of double -face sluice valve |
| CN213575653U (en) * | 2020-09-04 | 2021-06-29 | 天津钧杰阀门有限公司 | Wedge type double-gate-plate gate valve |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357384A (en) * | 2021-05-27 | 2021-09-07 | 欧冠阀门科技有限公司 | Gate valve with adjustable valve plate |
| CN115451146A (en) * | 2022-08-03 | 2022-12-09 | 江苏高达阀门有限公司 | Wear-resistant high-sealing-performance knife gate valve and using method thereof |
| CN116927895A (en) * | 2023-09-13 | 2023-10-24 | 华能济南黄台发电有限公司 | Zero-output input device for low-pressure cylinder of steam turbine |
| CN116927895B (en) * | 2023-09-13 | 2023-12-08 | 华能济南黄台发电有限公司 | Zero-output input device for low-pressure cylinder of steam turbine |
| CN117646804A (en) * | 2024-01-30 | 2024-03-05 | 潍坊威特尔管业有限公司 | Mining electric control valve and method thereof |
| CN117646804B (en) * | 2024-01-30 | 2024-04-19 | 潍坊威特尔管业有限公司 | Mining electric control valve and method thereof |
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