CN219413574U - Gate valve with good sealing effect - Google Patents
Gate valve with good sealing effect Download PDFInfo
- Publication number
- CN219413574U CN219413574U CN202320474997.9U CN202320474997U CN219413574U CN 219413574 U CN219413574 U CN 219413574U CN 202320474997 U CN202320474997 U CN 202320474997U CN 219413574 U CN219413574 U CN 219413574U
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- China
- Prior art keywords
- valve
- valve body
- rod
- fixed
- gate
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 58
- 230000000694 effects Effects 0.000 title claims abstract description 16
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 37
- 238000005260 corrosion Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- Prevention Of Electric Corrosion (AREA)
Abstract
The utility model relates to a gate valve with good sealing effect, which comprises a gate valve main body, wherein the gate valve main body comprises a valve body, a valve cover and a support, a gate plate is arranged in the valve body, a valve rod is arranged in the support and the valve cover in a rotating manner, a hand wheel is fixedly arranged at the top of the valve rod, a movable screw rod is arranged in the movable groove, a sealing plate is arranged at the bottom of the gate plate, a sealing block is arranged in the valve body, a round groove is arranged at the bottom of the gate plate, a round bar block is arranged on the valve body, a supporting ring is arranged in the valve body, a filter screen barrel is arranged on one side of the supporting ring, the valve rod is driven by the hand wheel to rotate, the gate plate is driven by the valve rod to adjust the vertical height by the cooperation of a threaded hole and the movable screw rod, the on-off of the gate valve main body is controlled, the sealing performance of the gate plate and the valve body is improved by the sealing plate and the sealing block arranged at the bottom of the gate plate, the sealing performance of the gate plate and the valve body is further improved by the arrangement of the round groove and the filter screen barrel, the blocking of the gate valve main body is prevented, and the service life of the gate valve main body is prolonged.
Description
Technical Field
The utility model relates to the technical field of gate valves, in particular to a gate valve with good sealing effect.
Background
The gate valve is a gate plate of an opening and closing piece, the moving direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed, and in most cases, key defects, maintenance parts and scrapping of the whole gate valve are caused by the fact that the joint surface between the gate plate and the bottom of the valve body is not tight, so that leakage occurs in the valve, the pressure of the contact surface between the bottom of the valve body and the gate plate is either too large or too small in the using process, and the tightness between the gate plate and the bottom of the valve body is difficult to ensure in a proper range; the flashboard is difficult to combine with the valve seat well, the existing valve seat has single function and does not have the filtering function, and the existing gate valve has poor anti-corrosion function.
Disclosure of Invention
(one) solving the technical problems
Aiming at the problems in the prior art, the utility model provides a gate valve with good sealing effect, so as to solve the technical problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sealed effectual gate valve, includes the gate valve main part, the gate valve main part includes valve body, valve gap and support, the inside flashboard that is equipped with of valve body, rotate in support and the valve gap and be equipped with the valve rod, the fixed hand wheel that is equipped with in valve rod top, the inside travel groove that is equipped with of flashboard, be equipped with the removal screw rod in the travel groove, the inside screw hole that is provided with threaded rod complex of valve rod, be provided with in the valve body with travel groove complex removal frame, the flashboard bottom is equipped with the closing plate, the inside sealing block that is provided with the closing plate complex of valve body, the flashboard bottom is equipped with the circular slot, be provided with on the valve body with circular slot complex circular bar piece, be equipped with the holding ring in the valve body, holding ring one side is equipped with the filter screen bucket, be equipped with installation device on one side of the filter screen bucket, it drives the valve rod through setting up the hand wheel and rotates, and the valve rod passes through the adjustment on the vertical height of screw hole and travel screw rod's cooperation drive flashboard, and through setting up closing plate and sealing block in the flashboard bottom, has improved the leakproofness with the travel groove and the valve body, through setting up circular slot and sealing block, further improves the sealing plate and the sealing block when setting up with the sealing plate and sealing ring, the main part through the valve body, has been convenient for use to prevent liquid to stop up the main part.
Preferably, the installation device comprises a fixed block, a fixed groove is formed in the fixed block, a fixed rod is arranged in the fixed groove in a sliding mode, a deflector rod is arranged on one side of the fixed rod, a fixed spring is arranged between the fixed rod and the fixed groove, a fixed hole matched with the fixed rod is formed in the valve body, and the fixed rod, the deflector rod and the fixed spring are arranged on the fixed block to be matched with the fixed hole in the valve body, so that the filter screen barrel can be fixedly installed conveniently.
In a further preferred aspect, the support ring is provided with a guide block, the valve body is provided with a guide groove matched with the guide block, and the guide block and the guide groove are arranged to limit the movement direction of the filter screen barrel and facilitate the installation and fixation of the filter screen barrel.
In a further preferred embodiment, a first gasket is provided between the sealing block and the sealing plate, and by providing the first gasket, the connection tightness between the sealing block and the sealing plate is further improved.
In a further preferred aspect, sealing rings are arranged between the support and the valve cover and between the valve cover and the valve body, and by arranging the sealing rings, the connection tightness between the support and the valve cover and between the valve cover and the valve body is improved.
In a further preferred embodiment, the anti-corrosion device comprises a zinc alloy rod, a mounting hole is formed in the valve body, an anti-corrosion gasket is installed in the mounting hole, the zinc alloy rod passes through the anti-corrosion gasket to be installed in the valve body, when water flows in the gate valve body, a primary cell structure is formed, and other metal structures are anti-corrosion by utilizing a cathode protection method of a sacrificial anode.
In a further preferred aspect, the top of the zinc alloy rod is fixedly provided with a protective cover, a second sealing gasket is arranged between the protective cover and the valve body, a hexagonal bolt is fixedly arranged in the valve body, the bottom of the zinc alloy rod is provided with external threads adapted to the hexagonal bolt, and the zinc alloy rod is convenient to install and replace by matching the protective cover and the hexagonal bolt with the zinc alloy rod.
(III) beneficial effects
Compared with the prior art, the utility model provides a gate valve with good sealing effect, which comprises the following components
The beneficial effects are that:
1. according to the utility model, the valve rod is driven to rotate by the hand wheel, the valve rod drives the flashboard to adjust in vertical height through the cooperation of the threaded hole and the movable screw rod, so that the on-off of the gate valve main body is controlled, the tightness of the flashboard and the valve body is improved by arranging the sealing plate and the sealing block at the bottom of the flashboard, the tightness of the flashboard and the valve body is further improved by arranging the circular groove and the circular bar block, and the connection tightness between the bracket and the valve cover and between the valve cover and the valve body is improved by arranging the sealing ring.
2. According to the utility model, the fixed block is provided with the fixed rod, the deflector rod and the fixed spring, and the fixed rod, the deflector rod and the fixed spring are matched with the fixed hole on the valve body, so that the filter screen barrel can be fixedly installed, and the support ring and the filter screen barrel are arranged, so that when liquid passes through the gate valve main body, the liquid can be filtered, the gate valve main body is prevented from being blocked, and the service life of the gate valve main body is prolonged.
3. According to the utility model, the zinc alloy rod is convenient to install and replace by matching the protective cover and the hexagonal bolt with the zinc alloy rod, when water flows in the gate valve main body, a primary cell structure is formed, and other metal structures are preserved by utilizing a cathode protection method of the sacrificial anode, so that the gate valve main body is prevented from being corroded, and the service life of the gate valve main body is prolonged.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a gate valve with good sealing effect in the utility model;
FIG. 2 is a schematic cross-sectional view of a gate valve according to the present utility model;
FIG. 3 is an enlarged view of a part of the structure of FIG. 2A;
FIG. 4 is an enlarged view of a part of the structure of FIG. 2B;
fig. 5 is an enlarged view of a partial structure of C in fig. 2.
In the figure: 1. a gate valve body; 2. a valve body; 3. a valve cover; 4. a bracket; 5. a flashboard; 6. a valve stem; 7. a hand wheel; 8. a moving groove; 9. moving the screw; 10. a threaded hole; 11. a moving rack; 12. a sealing plate; 13. a sealing block; 14. a circular groove; 15. round bar blocks; 16. a support ring; 17. a filter screen barrel; 18. a fixed block; 19. a fixing groove; 20. a fixed rod; 21. a deflector rod; 22. a fixed spring; 23. a fixing hole; 24. a guide block; 25. a guide groove; 26. a first gasket; 27. a seal ring; 28. a zinc alloy rod; 29. a mounting hole; 30. an anti-corrosion gasket; 31. a protective cover; 32. a second gasket; 33. a hexagonal bolt.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to FIGS. 1-5, a gate valve with good sealing effect comprises a gate valve main body 1, wherein the gate valve main body 1 comprises a valve body 2, a valve cover 3 and a bracket 4, a gate plate 5 is arranged in the valve body 2, a valve rod 6 is rotationally arranged between the bracket 4 and the valve cover 3, a hand wheel 7 is fixedly arranged at the top of the valve rod 6, a movable groove 8 is arranged in the gate plate 5, a movable screw 9 is arranged in the movable groove 8, a threaded hole 10 matched with the threaded rod is arranged in the valve rod 6, a movable frame 11 matched with the movable groove 8 is arranged in the valve body 2, a sealing plate 12 is arranged at the bottom of the gate plate 5, a sealing block 13 matched with the sealing plate 12 is arranged in the valve body 2, a circular groove 14 is arranged at the bottom of the gate plate 5, a circular bar 15 matched with the circular groove 14 is arranged on the valve body 2, a support ring 16 is arranged in the valve body 2, a filter screen barrel 17 is arranged on one side of the support ring 16, a mounting device is arranged on one side of the filter screen barrel 17, the valve body 2 is provided with an anti-corrosion device, a first sealing gasket 26 is arranged between the sealing block 13 and the sealing plate 12, a sealing ring 27 is arranged between the support 4 and the valve cover 3 and between the valve cover 3 and the valve body 2, when the valve is used, the hand wheel 7 is rotated, the hand wheel 7 drives the valve rod 6 to rotate, the valve rod 6 rotates relatively with the movable screw 9 through the threaded hole 10 to drive the flashboard 5 to move upwards, when water flows through the valve body 2, the water flows through the filter screen barrel 17 to be filtered, when the gate valve body 1 needs to be closed, the hand wheel 7 rotates reversely, the hand wheel 7 drives the valve rod 6 to rotate reversely, the valve rod 6 drives the flashboard 5 to move downwards, the sealing plate 12 is closely attached to the sealing block 13 through the first sealing gasket 26, and the circular groove 14 is closely matched with the circular bar 15, so that the tightness of the flashboard 5 and the valve body 2 is improved.
Referring to fig. 3, in this embodiment, the installation device includes a fixed block 18, a fixed slot 19 is provided on the fixed block 18, a fixed rod 20 is slidingly provided in the fixed slot 19, a deflector rod 21 is provided on one side of the fixed rod 20, a fixed spring 22 is provided between the fixed rod 20 and the fixed slot 19, a fixed hole 23 matched with the fixed rod 20 is provided on the valve body 2, a guide block 24 is provided on the support ring 16, a guide slot 25 matched with the guide block 24 is provided on the valve body 2, when the filter screen barrel 17 is installed, the deflector rod 21 presses the deflector rod 21 with two fingers, the deflector rod 21 drives the fixed rod 20 to press the fixed spring 22 downwards, so as to push the filter screen barrel 17, and the guide block 24 moves along the guide slot 25, when moving to a proper position, the deflector rod 21 is released, and the fixed rod 20 is inserted into the fixed hole 23 under the elastic force of the fixed spring 22 to fix the filter screen barrel 17.
Referring to fig. 5, in this embodiment, the anticorrosion device includes a zinc alloy rod 28, a mounting hole 29 is formed in the valve body 2, an anticorrosion gasket 30 is installed in the mounting hole 29, the zinc alloy rod 28 passes through the anticorrosion gasket 30 and is installed in the valve body 2, a protection cover 31 is fixedly arranged at the top of the zinc alloy rod 28, a second sealing gasket 32 is arranged between the protection cover 31 and the valve body 2, a hexagonal bolt 33 is fixedly arranged in the valve body 2, an external thread matched with the hexagonal bolt 33 is arranged at the bottom of the zinc alloy rod 28, when water passes through the valve body 2, the whole valve body 2 forms a primary cell structure, the metal mobility of the zinc alloy rod 28 relative to other metal structures of the gate valve body 1 is stronger, the zinc alloy rod 28 serves as an anode sacrificial electrode of the primary cell, other metal components of the gate valve body 1 serve as a cathode, the cathode protection method of the sacrificial anode is utilized to protect other metal structures of the gate valve body 1, the anticorrosion gasket 30 is made of polytetrafluoroethylene materials, the anticorrosion performance is good, and is tightly combined with the zinc alloy rod 28, when the zinc alloy rod 28 needs to be replaced, the hexagonal bolt 33 is rotated, the zinc alloy rod 28 is screwed out from the hexagonal bolt 33, the zinc alloy rod 28 is screwed out, the metal rod 28 is screwed into the zinc alloy rod 28, the zinc alloy rod 28 is screwed into the bottom, and the zinc alloy rod 28 is screwed into the zinc alloy rod 28.
Example 2:
on the basis of embodiment 1, when installing filter screen barrel 17, two fingers press driving lever 21, driving lever 21 drives dead lever 20 to push down fixed spring 22, promote filter screen barrel 17, make guide block 24 remove along guide slot 25, after moving to suitable position, loosen driving lever 21, dead lever 20 inserts into fixed orifices 23 and fixes filter screen barrel 17 under the elasticity effect of fixed spring 22, when intercommunication valve body 2, rotate hand wheel 7, hand wheel 7 drives valve rod 6 and rotates, valve rod 6 carries out relative rotation with removal screw 9 through screw hole 10, drive flashboard 5 upwards to move, when rivers pass through valve body 2, rivers are filtered through filter screen barrel 17, when needs to close gate valve body 1, reverse rotation hand wheel 7, hand wheel 7 drives valve rod 6 reverse rotation, valve rod 6 drives flashboard 5 and moves down, sealing plate 12 closely pastes through first sealing washer 26 and sealing block 13, circular slot 14 and circular bar 15 close fit, the leakproofness of flashboard 5 and valve body 2 has been improved.
Example 3:
on the basis of embodiment 2, when water passes through the valve body 2, the whole valve body 2 is made to form a primary cell structure, the metal activity of the zinc alloy rod 28 relative to other metal structures of the gate valve body 1 is stronger, the zinc alloy rod 28 is used as the anode of a primary cell, other metal components of the gate valve body 1 are used as cathodes, the other metal structures of the gate valve body 1 are protected by a cathode protection method of the sacrificial anode, the anti-corrosion gasket 30 is made of polytetrafluoroethylene materials, the anti-corrosion performance is good and is tightly combined with the zinc alloy rod 28, when the zinc alloy rod 28 needs to be replaced, the protection cover 31 is rotated, the zinc alloy rod 28 is rotated and screwed out of the hexagonal bolt 33, the zinc alloy rod 28 is replaced, the zinc alloy rod 28 continues to extend into a circulation part after the replacement is completed, and the bottom of the zinc alloy rod 28 and the hexagonal bolt 33 are rotated and screwed.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a gate valve that sealed effectual, includes gate valve main part (1), gate valve main part (1) include valve body (2), valve gap (3) and support (4), its characterized in that: the inside flashboard (5) that is equipped with of valve body (2), support (4) and valve gap (3) internal rotation are equipped with valve rod (6), valve rod (6) top is fixed and is equipped with hand wheel (7), inside removal groove (8) that are equipped with of flashboard (5), be equipped with in removal groove (8) and remove screw rod (9), valve rod (6) inside be provided with threaded rod complex screw hole (10), be provided with in valve body (2) with remove groove (8) complex removal frame (11), flashboard (5) bottom is equipped with closing plate (12), valve body (2) inside be provided with closing plate (12) complex sealing block (13), flashboard (5) bottom is equipped with circular slot (14), be provided with on valve body (2) with circular slot (14) complex round bar (15), be equipped with in valve body (2) support ring (16), support ring (16) one side is equipped with filter screen bucket (17), filter screen (17) one side is equipped with installation device, be equipped with anticorrosion device on valve body (2).
2. The gate valve with good sealing effect according to claim 1, wherein: the mounting device comprises a fixed block (18), a fixed groove (19) is formed in the fixed block (18), a fixed rod (20) is arranged in the fixed groove (19) in a sliding mode, a deflector rod (21) is arranged on one side of the fixed rod (20), a fixed spring (22) is arranged between the fixed rod (20) and the fixed groove (19), and a fixed hole (23) matched with the fixed rod (20) is formed in the valve body (2).
3. The gate valve with good sealing effect according to claim 2, wherein: the support ring (16) is provided with a guide block (24), and the valve body (2) is provided with a guide groove (25) matched with the guide block (24).
4. The gate valve with good sealing effect according to claim 1, wherein: a first sealing gasket (26) is arranged between the sealing block (13) and the sealing plate (12).
5. The gate valve with good sealing effect according to claim 1, wherein: sealing rings (27) are arranged between the support (4) and the valve cover (3) and between the valve cover (3) and the valve body (2).
6. The gate valve with good sealing effect according to claim 1, wherein: the anti-corrosion device comprises a zinc alloy rod (28), a mounting hole (29) is formed in the valve body (2), an anti-corrosion gasket (30) is arranged in the mounting hole (29), and the zinc alloy rod (28) penetrates through the anti-corrosion gasket (30) to be arranged in the valve body (2).
7. The gate valve with good sealing effect according to claim 6, wherein: the utility model discloses a zinc alloy stick, including zinc alloy stick (28), protection lid (31) are fixed to be equipped with at zinc alloy stick (28) top, be equipped with second sealed pad (32) between protection lid (31) and valve body (2), valve body (2) inside is fixed to be equipped with hexagon bolt (33), zinc alloy stick (28) bottom is provided with the external screw thread with hexagon bolt (33) adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320474997.9U CN219413574U (en) | 2023-03-14 | 2023-03-14 | Gate valve with good sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320474997.9U CN219413574U (en) | 2023-03-14 | 2023-03-14 | Gate valve with good sealing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219413574U true CN219413574U (en) | 2023-07-25 |
Family
ID=87231638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320474997.9U Active CN219413574U (en) | 2023-03-14 | 2023-03-14 | Gate valve with good sealing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219413574U (en) |
-
2023
- 2023-03-14 CN CN202320474997.9U patent/CN219413574U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 052200 Yinjiazhuang Village, Dongzhuosu Town, Jinzhou City, Shijiazhuang City, Hebei Province Patentee after: Jijin Valve Group Co.,Ltd. Country or region after: China Address before: 050000 Yinjiazhuang Village, Dongzhuosu, Jinzhou City, Shijiazhuang, Hebei Province Patentee before: Hebei Jijin Valve Co.,Ltd. Country or region before: China |