CN114962672B - Electric open type gate valve - Google Patents
Electric open type gate valve Download PDFInfo
- Publication number
- CN114962672B CN114962672B CN202210706544.4A CN202210706544A CN114962672B CN 114962672 B CN114962672 B CN 114962672B CN 202210706544 A CN202210706544 A CN 202210706544A CN 114962672 B CN114962672 B CN 114962672B
- Authority
- CN
- China
- Prior art keywords
- opening
- gate
- closing
- box body
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 75
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 18
- 238000012423 maintenance Methods 0.000 claims description 27
- 238000004140 cleaning Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000008531 maintenance mechanism Effects 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 239000007789 gas Substances 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- 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
- F16K3/30—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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention relates to the technical field of gate valves, in particular to an electric open gate valve which is convenient for reducing the relative friction between an opening and closing pipe and a nitrile rubber sealing ring in the opening and closing process, prolonging the service life of the nitrile rubber sealing ring, simultaneously facilitating the realization of zero leakage of a gas medium in the opening and closing process, and further facilitating the replacement of the nitrile rubber sealing ring in a sealing groove, thereby greatly improving the working efficiency and the use safety.
Description
Technical Field
The invention relates to the technical field of gate valves, in particular to an electric open gate valve.
Background
As is well known, an electric open type gate valve horizontally moves a valve plate through a walking driving device, so that a blind ring and a through ring of the valve plate are replaced relative to the position of a valve body pipeline, a clamping driving device acts again, a floating seat moves towards a left valve body sealing ring, and a door plate rubber sealing ring is clamped, so that the valve plate is opened and closed, the open type gate valve is suitable for metallurgical, chemical and municipal gas pipelines, and when the gate valve is in a closed state, a medium in the pipeline is completely cut off, so that zero leakage is sealed, and the valve is ideal gas and harmful and toxic gas pipeline safety isolation equipment.
The existing electric open gate valve is mainly applicable to low temperature pressure and high temperature pressure, has the characteristics that when gas resistance is small and the valve is fully opened, a sealing surface is slightly eroded by a working medium, and the structure of the valve is simple, but the existing open gate valve still has the following problems when being actually installed on a gas conveying pipeline, relative friction between the sealing surface and a sealing seat is large in the opening and closing process, abrasion phenomenon is easily caused at high temperature, the sealing gasket is inconvenient to replace after the sealing surface is damaged, and gas in the pipeline is easy to slightly leak from the inside of the open gate valve in the opening and closing process, so that the electric open gate valve is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the electric open gate valve, which is convenient for reducing the relative friction between the sealing surface and the sealing seat, prolonging the service life of the sealing gasket on the sealing surface, facilitating the rapid replacement of a plurality of sealing gaskets after the sealing gasket is damaged, preventing the leakage of internal gas in the opening and closing process of the open gate valve, and greatly improving the working efficiency and the use safety.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the electric open gate valve comprises a gate plate box body, wherein air inlet holes and maintenance through holes are formed in two sides of the gate plate box body, a maintenance mechanism is arranged on the maintenance through holes, two air inlet holes are communicated with an air inlet cover, two air inlet pipes are communicated with the other ends of the air inlet cover, two guide rods are fixedly connected to the inside of the gate plate box body, a gate plate body is longitudinally and slidably connected between the guide rods, the gate plate body comprises a through plate and a blind plate, an opening and closing mechanism is arranged on the gate plate body, sealing grooves are formed in two ends of the through plate and the blind plate, nitrile rubber sealing rings are arranged in the sealing grooves, a sealing opening and closing device is arranged in the gate plate box body, the sealing opening and closing device comprises two opening and closing pipes, one ends of the two opening and closing pipes are matched with the sealing grooves, a sealing block and a pushing block are fixedly connected to the two opening and closing pipes, a flexible hose is fixedly connected between the sealing block and the air inlet cover, and a driving mechanism is arranged on the two pushing blocks.
Preferably, the driving mechanism comprises a driving motor, the driving motor is fixedly arranged at the top end of the plugboard box body through a machine base, a supporting plate is fixedly connected to the top end of the plugboard box body, a small rotating rod is fixedly connected to the output end of the driving motor and the supporting plate respectively and rotationally connected to the driving motor, a chain wheel I and a chain wheel II are fixedly arranged on the small rotating rod, a chain I is connected between the chain wheels I in a transmission manner, two nuts are fixedly connected to the pushing block, two bidirectional screws are connected between two adjacent nuts in the four nuts in a threaded manner, two rotating blocks are fixedly connected to the two ends of each bidirectional screw, the other ends of the two rotating blocks located on one side are sealed and rotationally connected to the plugboard box body, the other ends of the two rotating blocks located on the other side penetrate through the outer portion of the plugboard box body and are fixedly provided with a chain wheel III, and a chain II is connected between the chain wheel II and the chain wheel III in a transmission manner.
Further, the maintenance mechanism comprises two maintenance door covers, the two maintenance door covers are detachably connected to the maintenance through holes through a plurality of first bolts, a first sealing gasket is arranged between the two maintenance door covers and the plugboard box body, and handles are fixedly installed on the two maintenance door covers.
Still further, opening and close the mechanism including opening and closing the frame, opening and closing the top of frame fixed mounting at the picture peg box, opening and closing the top of frame and installing and opening and closing electric cylinder, the output of opening and closing electric cylinder runs through to the inside of picture peg box and laminating with the one end of picture peg body.
As a further scheme of the scheme, the flange plates are fixedly arranged at the other ends of the two air inlet pipes.
As still further scheme of this scheme, the bottom fixedly connected with cleaning frame of picture peg box, be connected with clean base on the cleaning frame through a plurality of bolt two can dismantle, be provided with sealed pad two between clean base and the cleaning frame.
On the basis of the scheme, the bottom end of the cleaning base is fixedly connected with a plurality of support columns.
On the basis of the scheme, the flashboard box body is further provided with two first protection boxes for protecting the second chain wheel, the third chain wheel and the second chain.
On the basis of the scheme, a second protection box for protecting the driving motor, the first sprocket and the first chain is arranged at the top end of the plugboard box body, and a plurality of heat dissipation through holes are formed in the second protection box.
On the basis of the scheme, a sealing pipe is fixedly connected between the opening and closing frame and the plugboard box body, and the output end part of the opening and closing electric cylinder is positioned in the sealing pipe.
(III) beneficial effects
Compared with the prior art, the invention provides the electric open gate valve, which has the following beneficial effects:
according to the invention, the plug board body is conveniently driven to move through the matching of the opening and closing mechanism, then the two pushing blocks are conveniently driven to move relatively through the driving mechanism, the opening and closing pipe is conveniently driven to move through the pushing blocks, and the nitrile rubber sealing rings inside the sealing grooves on the opening and closing pipe and the through plates and the blind plates are conveniently matched in a sealing extrusion mode, so that the relative friction between the opening and closing pipe and the nitrile rubber sealing rings is reduced in the opening and closing process, the service life of the nitrile rubber sealing rings is prolonged, gas medium in pipelines at two ends of the plug board is conveniently completely cut off or communicated in the opening and closing process when the opening and closing valve is in the closing or opening state, zero leakage of the gas medium is conveniently realized in the opening and closing process of the plug board through the matching of the flexible hose and the plug board box body between the sealing blocks and the inlet housing, and replacement of the nitrile rubber sealing rings in the sealing grooves is conveniently realized through the matching of the maintenance through the through holes on the plug board box body.
Drawings
FIG. 1 is a schematic view of a partially sectioned perspective structure of the present invention;
FIG. 2 is a schematic perspective view of the whole structure of the present invention;
FIG. 3 is a schematic view of a three-dimensional structure of the socket body, the opening and closing mechanism, the driving mechanism and the like of the invention;
FIG. 4 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;
FIG. 5 is a schematic view of a partially enlarged structure of the present invention at B in FIG. 1;
fig. 6 is a schematic view of a partially enlarged structure of fig. 1C according to the present invention.
In the figure: 1. the plugboard box body; 2. an air inlet cover; 3. an air inlet pipe; 4. a guide rod; 5. a through plate; 6. a blind plate; 7. nitrile rubber sealing rings; 8. opening and closing the pipe; 9. a sealing block; 10. a pushing block; 11. a flexible hose; 12. a driving motor; 13. a support plate; 14. a small rotating rod; 15. a sprocket I; 16. a second chain wheel; 17. a first chain; 18. a nut; 19. a bidirectional screw; 20. a rotating block; 21. a sprocket III; 22. a second chain; 23. maintaining a door cover; 24. opening and closing the frame; 25. opening and closing the electric cylinder; 26. a flange plate; 27. a cleaning rack; 28. cleaning a base; 29. a support column; 30. a first protective box; 31. a second protective box; 32. sealing the tube.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-6, an electric open gate valve comprises a gate plate box 1, two sides of the gate plate box 1 are respectively provided with an air inlet through hole and a maintenance through hole, two maintenance through holes are provided with maintenance mechanisms, each maintenance mechanism comprises two maintenance gate covers 23, each maintenance gate cover 23 is detachably connected to the corresponding maintenance through hole through a plurality of bolts, a sealing gasket I is arranged between each maintenance gate cover 23 and the gate plate box 1, the maintenance gate covers 23 and the gate plate box 1 are conveniently sealed, handles are fixedly arranged on each maintenance gate cover 23, the disassembling bolts I are taken down, the maintenance gate covers 23 are taken down through the handles, then the maintenance through holes are used for conveniently replacing nitrile rubber sealing rings 7 in the sealing grooves, the air inlet covers 2 are communicated at the two air inlet through holes, the air inlet pipes 3 are communicated at the other ends of the two air inlet covers 2, the other ends of the two air inlet pipes 3 are fixedly provided with flange plates 26, the open gate valve is conveniently arranged on a pipeline of a corresponding model through the flange plates 26, the inside of the gate plate box body 1 is fixedly connected with two guide rods 4, a gate plate body is longitudinally and slidably connected between the two guide rods 4 and comprises a through plate 5 and a blind plate 6, the gate plate body is provided with an opening and closing mechanism which comprises an opening and closing frame 24, the opening and closing frame 24 is fixedly arranged at the top end of the gate plate box body 1, the top end of the opening and closing frame 24 is provided with an opening and closing electric cylinder 25, the output end of the opening and closing electric cylinder 25 penetrates into the interior of the gate plate box body 1 and is attached to one end of the gate plate body, the gate plate body is conveniently driven to move through the opening and closing electric cylinder 25, a sealing pipe 32 is fixedly connected between the opening and closing frame 24 and the gate plate box body 1, and the output end part of the opening and closing electric cylinder 25 is positioned in the interior of the sealing pipe 32, the inside to picture peg box 1 is convenient for seal, prevent that gaseous medium from oozing through the contact gap department of the output of opening and close electronic jar 25 and picture peg box 1, the seal groove has all been seted up at the both ends of logical board 5 and blind plate 6, the inside of four seal grooves all is provided with nitrile rubber seal circle 7, the inside of picture peg box 1 is equipped with sealed headstock gear, sealed headstock gear includes two headstock pipes 8, the inside at the inlet hood 2 of equal sliding connection of two headstock pipes 8, the one end of two headstock pipes 8 all matches with the seal groove, equal fixedly connected with sealing block 9 and impeller 10 on two headstock pipes 8, fixedly connected with flexible hose 11 between two sealing blocks 9 and the inlet hood 2, be provided with actuating mechanism on two impeller 10.
It is further to be noted that the driving mechanism comprises a driving motor 12, the driving motor 12 is fixedly arranged at the top end of the plugboard box body 1 through a machine seat, a supporting plate 13 is fixedly connected at the top end of the plugboard box body 1, a small rotating rod 14 is fixedly connected and rotationally connected on the output end of the driving motor 12 and the supporting plate 13 respectively, a chain wheel I15 and a chain wheel II 16 are fixedly arranged on the two small rotating rods 14, a chain I17 is connected between the two chain wheels I15 in a transmission manner, two nuts 18 are fixedly connected on the two pushing blocks 10, a bidirectional screw 19 is connected between two adjacent nuts 18 in the four nuts 18 in a threaded manner, two rotating blocks 20 are fixedly connected at two ends of the two bidirectional screw 19, the other ends of the two rotating blocks 20 positioned at one side are sealed and rotationally connected on the plugboard box body 1, the other ends of the two rotating blocks 20 positioned at the other side penetrate through the outside of the plugboard box body 1 and are fixedly provided with a chain wheel III 21, the chain II 22 is connected between the two chain wheels II 16 and the chain wheel III 21 in a transmission way, so that the two pushing blocks 10 are conveniently driven to move relatively, the first protective box 30 for protecting the chain wheels II 16, the chain wheels III 21 and the chain II 22 is arranged on the flashboard box body 1, the chain wheels II 16, the chain wheels III 21 and the chain II 22 are conveniently protected, the chain II 22 is not influenced to move, the cleaning frame 27 is fixedly connected with the bottom end of the flashboard box body 1, the cleaning frame 27 is detachably connected with the cleaning base 28 through a plurality of bolts II, the sealing gasket II is arranged between the cleaning base 28 and the cleaning frame 27, in the long-term use process, the cleaning base 28 is detached, so that the interior of the flashboard box body 1 is conveniently cleaned, the bottom end of the cleaning base 28 is fixedly connected with the plurality of supporting columns 29, so that the open-type flashboard valve is conveniently and stably supported before being installed, the top of picture peg box 1 is provided with the protective housing second 31 that is used for protecting driving motor 12, sprocket one 15 and chain one 17, has seted up a plurality of heat dissipation through-holes on the protective housing second 31, is convenient for protect driving motor 12, sprocket one 15 and chain one 17, and does not influence its motion.
In summary, the electric open gate valve is installed on the corresponding type of pipeline through the flange 26, when the pipeline is closed in a sealing way, the opening and closing electric cylinder 25 is started, the output end of the opening and closing electric cylinder 25 drives the plug board body to move, the sealing groove on the blind board 6 corresponds to the opening and closing pipe 8, then the driving motor 12 is started, the output end of the driving motor 12 drives the small rotating rod 14 on the upper part of the blind board to rotate, the small rotating rod 14 drives the sprocket 15 and the sprocket 16 on the upper part of the blind board to rotate, the sprocket 15 drives the other sprocket 15 to rotate through the first chain 17, the other sprocket drives the small rotating rod 14 and the sprocket 16 on the blind board to rotate, the rotation of the two sprockets 16 drives the two sprockets three 21 to rotate through the two second chain 22, the rotation of the sprocket three 21 drives the corresponding rotating block 20 to rotate, and the rotation of the rotating block 20 drives the bidirectional screw 19 to rotate, the two nuts 18 on the two-way screw 19 are driven to move relatively by the rotation of the two-way screw 19, the pushing block 10 is driven to move by the relative movement of the nuts 18, the opening and closing pipe 8 is driven to move by the pushing block 10, one end of the opening and closing pipe 8 moves to the inside of the sealing groove on the blind plate 6 by the movement of the opening and closing pipe 8, the opening and closing pipe 8 and the nitrile rubber sealing ring 7 in the sealing groove are extruded and sealed, and meanwhile, the sealing cooperation between the flexible hose 11 and the plugboard box 1 between the sealing block 9 and the air inlet cover 2 is convenient for completely cutting off gas medium in pipelines at two ends of the plugboard when the open type plugboard is in a closed state, the zero leakage of gas medium is more convenient to realize in the opening and closing process of the plugboard, and according to the principle, one end of the opening and closing pipe 8 is separated from the inside of the sealing groove by starting the driving motor 12, the opening and closing electric cylinder 25 is started, the sealing groove on the through plate 5 corresponds to the opening and closing pipe 8, one end of the opening and closing pipe 8 enters the sealing groove on the through plate 5 through starting the driving motor 12, the nitrile rubber sealing ring 7 is extruded and sealed, pipelines at two ends of the gate valve can be communicated when the open gate valve is in an open state, relative friction between the opening and closing pipe 8 and the nitrile rubber sealing ring 7 is reduced when the opening and closing electric cylinder 25 drives the gate plate body to move, the service life of the nitrile rubber sealing ring 7 is prolonged, if the nitrile rubber sealing ring 7 is used for a long time, the maintenance door cover 23 is detached due to reasons or aging and damage, the nitrile rubber sealing ring 7 inside the sealing groove can be replaced through the maintenance through holes, the working efficiency is greatly improved, and the practicability is higher.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The electric open type gate valve comprises a gate plate box body (1), and is characterized in that two sides of the gate plate box body (1) are respectively provided with an air inlet through hole and a maintenance through hole, two maintenance through holes are respectively provided with a maintenance mechanism, two air inlet through holes are respectively communicated with an air inlet cover (2), the other ends of the two air inlet covers (2) are respectively communicated with an air inlet pipe (3), two guide rods (4) are fixedly connected to the inside of the gate plate box body (1), a gate plate body is longitudinally and slidably connected between the two guide rods (4), the gate plate body comprises a through plate (5) and a blind plate (6), the gate plate body is provided with an opening and closing mechanism, two ends of the through plate (5) and the blind plate (6) are respectively provided with a sealing groove, the interiors of the four sealing grooves are respectively provided with a nitrile rubber sealing ring (7), and the inside of the gate plate box body (1) is provided with a sealing device;
the sealing opening and closing device comprises two opening and closing pipes (8), wherein the two opening and closing pipes (8) are all in sliding connection with the inside of the air inlet hood (2), one ends of the two opening and closing pipes (8) are all matched with the sealing grooves, sealing blocks (9) and pushing blocks (10) are all fixedly connected to the two opening and closing pipes (8), a telescopic hose (11) is fixedly connected between the two sealing blocks (9) and the air inlet hood (2), and driving mechanisms are arranged on the two pushing blocks (10);
the driving mechanism comprises a driving motor (12), the driving motor (12) is fixedly arranged at the top end of a plugboard box body (1) through a machine base, a supporting plate (13) is fixedly connected to the top end of the plugboard box body (1), small rotating rods (14) are fixedly connected to the output end of the driving motor (12) and the supporting plate (13) respectively and rotatably connected to the driving motor, a first chain wheel (15) and a second chain wheel (16) are fixedly arranged on the small rotating rods (14), a chain (17) is connected between the first chain wheel (15), two nuts (18) are fixedly connected to the pushing block (10), a bidirectional screw (19) is connected between two nuts (18) adjacent to the four nuts (18), two rotating blocks (20) are fixedly connected to the two ends of the bidirectional screw (19), the other ends of the two rotating blocks (20) located on one side are hermetically and rotatably connected to the plugboard box body (1), the other ends of the two rotating blocks (20) located on the other side are all penetrated through the outside of the box body (1), and are fixedly provided with a third chain wheel (21), and the chain wheel (21) is fixedly connected between the third chain wheel and the second chain wheel (21).
2. The electric open gate valve according to claim 1, wherein the maintenance mechanism comprises two maintenance gate covers (23), the two maintenance gate covers (23) are detachably connected to the maintenance through holes through a plurality of bolts, a sealing gasket is arranged between the two maintenance gate covers (23) and the gate plate box body (1), and handles are fixedly arranged on the two maintenance gate covers (23).
3. The electric open gate valve according to claim 2, wherein the opening and closing mechanism comprises an opening and closing frame (24), the opening and closing frame (24) is fixedly arranged at the top end of the gate plate box body (1), the opening and closing electric cylinder (25) is arranged at the top end of the opening and closing frame (24), and the output end of the opening and closing electric cylinder (25) penetrates through the interior of the gate plate box body (1) and is attached to one end of the gate plate body.
4. An electrically opened gate valve according to claim 3, characterized in that the other ends of both said air inlet pipes (3) are fixedly fitted with flanges (26).
5. The electric open gate valve according to claim 4, wherein a cleaning frame (27) is fixedly connected to the bottom end of the gate box body (1), a cleaning base (28) is detachably connected to the cleaning frame (27) through a plurality of second bolts, and a second sealing gasket is arranged between the cleaning base (28) and the cleaning frame (27).
6. The electrically-operated gate valve of claim 5, wherein a plurality of support columns (29) are fixedly connected to the bottom end of the cleaning base (28).
7. The electrically opened gate valve according to claim 6, wherein the gate housing (1) is provided with two protective housings (30) for protecting the sprocket two (16), the sprocket three (21) and the chain two (22).
8. The electric open gate valve according to claim 7, wherein a second protective case (31) for protecting the driving motor (12), the first sprocket (15) and the first chain (17) is arranged at the top end of the gate case (1), and a plurality of heat dissipation through holes are formed in the second protective case (31).
9. The electric open gate valve according to claim 8, wherein a sealing tube (32) is fixedly connected between the opening and closing frame (24) and the gate plate box body (1), and an output end portion of the opening and closing electric cylinder (25) is located inside the sealing tube (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210706544.4A CN114962672B (en) | 2022-06-21 | 2022-06-21 | Electric open type gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210706544.4A CN114962672B (en) | 2022-06-21 | 2022-06-21 | Electric open type gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114962672A CN114962672A (en) | 2022-08-30 |
| CN114962672B true CN114962672B (en) | 2023-08-29 |
Family
ID=82971196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210706544.4A Active CN114962672B (en) | 2022-06-21 | 2022-06-21 | Electric open type gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114962672B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929932B (en) * | 2023-01-06 | 2023-10-31 | 江苏巨正机械有限公司 | Electric gate valve with airtight structure |
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| CN113339535A (en) * | 2021-07-02 | 2021-09-03 | 石特阀门股份有限公司 | Full-sealed flap valve |
| CN215720910U (en) * | 2021-07-13 | 2022-02-01 | 石家庄耐斯特机械阀业有限公司 | Sealed electric gate valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7396001B2 (en) * | 2005-12-20 | 2008-07-08 | Vat Holding Ag | Valve for essentially gastight closing a flow path |
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Address after: 050500 north side of South Ring East Road, Chengdong Industrial Park, Lingshou County, Shijiazhuang City, Hebei Province Patentee after: Hebei Shivalve Machinery Equipment Co.,Ltd. Country or region after: China Address before: 050500 north side of South Ring East Road, Chengdong Industrial Park, Lingshou County, Shijiazhuang City, Hebei Province Patentee before: Hebei shivalve mechanical equipment Co.,Ltd. Country or region before: China |