CN219932978U - Multi-level butterfly valve sealing structure - Google Patents
Multi-level butterfly valve sealing structure Download PDFInfo
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- CN219932978U CN219932978U CN202321709812.4U CN202321709812U CN219932978U CN 219932978 U CN219932978 U CN 219932978U CN 202321709812 U CN202321709812 U CN 202321709812U CN 219932978 U CN219932978 U CN 219932978U
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- fixedly connected
- wall
- valve plate
- water pipe
- pipe
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- 238000007789 sealing Methods 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000000956 alloy Substances 0.000 claims abstract description 18
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000011010 flushing procedure Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000009991 scouring Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of butterfly valves and discloses a multi-layer butterfly valve sealing structure which comprises a sleeve, a water pipe and an installation box, wherein the inner wall of the sleeve is fixedly connected with the water pipe, the front end of the outer wall of the sleeve is fixedly connected with a first flange ring, the rear end of the outer wall of the sleeve is fixedly connected with a second flange ring, the center of the lower surface of the installation box is fixedly connected with a first communication pipe, and the lower end of the outer wall of the first communication pipe is fixedly connected with a third flange ring. According to the utility model, the flushing plates are fixedly connected to the outer walls of the front end and the rear end of the valve plate, so that the medium is prevented from flushing the valve plate, the service life of the valve plate is prolonged to a certain extent, the sealing performance of the valve plate is improved through the cooperation of the first alloy sealing ring and the second alloy sealing ring which are respectively and fixedly connected to the rear end of the outer wall of the valve plate, and the pressure born by the valve plate is reduced to a certain extent through the clamping cooperation of the clamping blocks and the limiting blocks, and the service life of the valve plate is prolonged.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a multi-layer butterfly valve sealing structure.
Background
With the continuous development of social and economical technology and the continuous progress of modern technology, butterfly valve technology has been developed, butterfly valve is a control valve, and has the advantages of simple structure, small volume, light weight, good sealing performance, and rapid opening and closing, and is widely applied to the fields of chemical industry, electric power, metallurgy, papermaking, pharmacy, municipal construction, water supply and drainage and the like, so that the butterfly valve technology has paid attention to gradually
However, most of the butterfly valves currently available on the market can generate large scouring pressure to the valve plate caused by media in the pipeline in the use process, so that large loss can be caused to the valve plate and the valve rod, normal use of the butterfly valve is affected, sealing performance of the butterfly valve is reduced, and most of butterfly valves need to manually open and close the valve plate, so that labor intensity of staff is improved.
Accordingly, one skilled in the art would be able to provide a multi-level butterfly valve seal that solves the problems set forth in the background.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a multi-layer butterfly valve sealing structure, wherein flushing plates are fixedly connected to the outer walls of the front end and the rear end of a valve plate, so that a medium is prevented from flushing the valve plate, the service life of the valve plate is prolonged to a certain extent, the sealing performance of the valve plate is improved through the cooperation of a first alloy sealing ring and a second alloy sealing ring which are respectively and fixedly connected to the rear end of the outer wall of the valve plate, and the clamping blocks are matched with the clamping blocks, so that the pressure born by the valve plate is reduced to a certain extent, and the service life of the valve plate is prolonged.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a multilayer butterfly valve seal structure, includes sleeve pipe, water pipe and mounting box, the inner wall and the water pipe fixed connection of sleeve pipe, the front end fixedly connected with first flange ring of sleeve pipe outer wall, the rear end fixedly connected with second flange ring of sleeve pipe outer wall, the center department fixedly connected with first connecting pipe of mounting box lower surface, the lower extreme fixedly connected with third flange ring of first connecting pipe outer wall, the lower extreme of third flange ring passes through the bolt fixedly connected with fourth flange ring;
the inner wall of the fourth flange ring is fixedly connected with a second communicating pipe, the lower end of the second communicating pipe is fixedly connected with a sleeve, the front end of the inner top surface of the mounting box is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a driving gear, the middle part of the lower end of the outer wall of the sleeve is fixedly connected with a mounting frame, and the center of the inner top surface of the mounting box is rotationally connected with a valve rod;
through above-mentioned technical scheme, through the servo motor that has the driving gear in the front end setting of the inside top surface of mounting box to and the driven gear that upper portion at the valve rod body outer wall set up, be connected through the gear engagement of driving gear and driven gear, the staff of being convenient for drives driven gear through servo motor and rotates, and then drives the valve rod and rotate, reaches the closed purpose of control valve plate, and has reduced the intensity of labour of the valve plate that opens and shuts of staff to a certain extent.
Further, the rear end of the inner wall of the water pipe is fixedly connected with a water blocking ring, the inner wall of one side of the water blocking ring, which is close to the center of the water pipe, is provided with a first installation cavity, the inner wall of one side of the first installation cavity, which is far away from the center of the water pipe, is fixedly connected with a first spring, one side of the first spring, which is close to the center of the water pipe, is fixedly connected with a first connecting block, and the outer wall of one side of the first connecting block, which is close to the center of the water pipe, is fixedly connected with a limiting block;
through above-mentioned technical scheme, the staff's fixture block of being convenient for cooperates with stopper joint.
Further, the upper part of the outer wall of the valve rod body is fixedly connected with a driven gear, and the driven gear is in meshed connection with a gear of the driving gear;
through above-mentioned technical scheme, the staff of being convenient for drives driven gear through servo motor and rotates, and then drives the valve rod and rotate, reaches the closed purpose of control valve plate.
Further, the lower end of the valve rod penetrates through the mounting box and is rotationally connected with the bottom surface inside the mounting box;
through above-mentioned technical scheme, the normal rotation of valve rod of being convenient for.
Further, a first sealing pad is fixedly connected to the inner wall of the joint of the first communicating pipe and the second communicating pipe, a second sealing pad is fixedly connected to the lower end of the inner wall of the second communicating pipe, a third sealing pad is fixedly connected to the middle part of the inner wall of the upper end of the sleeve and the water pipe and the middle part of the inner wall of the lower end of the sleeve, and a fourth sealing pad is fixedly connected to the upper end of the inner wall of the mounting frame;
through above-mentioned technical scheme, be convenient for prevent that the inside medium of water pipe from flowing into the inside of second communicating pipe and installing frame.
Further, the middle part of the outer wall of the valve rod body is fixedly connected with a valve plate, and the outer walls of the front end and the rear end of the valve plate are fixedly connected with a flushing plate;
through the technical scheme, the medium is convenient to prevent from scouring the valve plate, and the service life of the valve plate is prolonged to a certain extent.
Further, the rear ends of the upper surface and the lower surface of the valve plate are respectively provided with a second installation cavity, and the inner walls of one side of the second installation cavities far away from the center of the water pipe are respectively fixedly connected with a second spring;
through the technical scheme, the movement track of the clamping block is convenient to limit.
Further, one side, away from the center of the water pipe, of the second spring is fixedly connected with a second connecting block, one side, away from the center of the water pipe, of the second connecting block is fixedly connected with a clamping block, the clamping block is matched with a limiting block in a clamping manner, and the rear end of the outer wall of the valve plate is fixedly connected with a first alloy sealing ring and a second alloy sealing ring respectively;
through the technical scheme, the clamping block is convenient to fix the position of the valve plate in the water blocking ring, the pressure born by the valve plate is reduced to a certain extent, and the service life of the valve plate is prolonged.
The utility model has the following beneficial effects:
1. according to the multi-layer butterfly valve sealing structure, the servo motor with the driving gear is arranged at the front end of the top surface inside the mounting box, and the driven gear is arranged at the upper part of the outer wall of the valve rod body, and the driving gear is meshed with the driven gear, so that a worker can conveniently drive the driven gear to rotate through the servo motor, and then drive the valve rod to rotate, the purpose of controlling the opening and closing of the valve plate is achieved, and the labor intensity of the opening and closing of the valve plate of the worker is reduced to a certain extent.
2. According to the multi-level butterfly valve sealing structure provided by the utility model, the sealing performance of the multi-level butterfly valve sealing structure is improved to a certain extent through the cooperation of the first sealing gasket arranged on the inner wall of the joint of the first communicating pipe and the second communicating pipe, the second sealing gasket arranged on the lower end of the inner wall of the second communicating pipe, the third sealing gasket arranged in the middle part of the inner wall of the upper end of the sleeve and the water pipe and the middle part of the inner wall of the lower end of the sleeve and the fourth sealing gasket arranged on the upper end of the inner wall of the mounting frame.
3. According to the multi-layer butterfly valve sealing structure, the flushing plates are fixedly connected to the outer walls of the front end and the rear end of the valve plate, so that the medium is prevented from flushing the valve plate, the service life of the valve plate is prolonged to a certain extent, the sealing performance of the valve plate is improved through the cooperation of the first alloy sealing ring and the second alloy sealing ring which are respectively and fixedly connected to the rear end of the outer wall of the valve plate, the clamping blocks are matched with the clamping blocks, the pressure born by the valve plate is reduced to a certain extent, and the service life of the valve plate is prolonged.
Drawings
FIG. 1 is an isometric view of a multi-level butterfly valve seal according to the present utility model;
FIG. 2 is an isometric view of a sleeve, a first flange ring, a second communication pipe, and a fourth flange ring of a multi-level butterfly valve seal structure according to the present utility model;
FIG. 3 is a side view of a multi-level butterfly valve seal according to the present utility model;
FIG. 4 is a front cross-sectional view of a multi-level butterfly valve seal according to the present utility model;
fig. 5 is an enlarged view of a seal structure of a multi-level butterfly valve according to the present utility model shown in fig. 4.
Legend description:
1. a sleeve; 2. a first flange ring; 3. a second flange ring; 4. a water pipe; 5. a mounting box; 6. a first communication pipe; 7. a third flange ring; 8. a fourth flange ring; 9. a second communicating pipe; 10. a servo motor; 11. a drive gear; 12. a driven gear; 13. a valve stem; 14. a mounting frame; 15. a first gasket; 16. a second gasket; 17. a third gasket; 18. a fourth gasket; 19. a water blocking ring; 20. a first mounting cavity; 21. a first spring; 22. a first connection block; 23. a limiting block; 24. a valve plate; 25. flushing the plate; 26. a first alloy seal ring; 27. a second alloy seal ring; 28. a second mounting cavity; 29. a second spring; 30. a second connection block; 31. and (5) clamping blocks.
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.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a multilayer butterfly valve seal structure, including sleeve pipe 1, water pipe 4 and mounting box 5, the inner wall of sleeve pipe 1 and water pipe 4 fixed connection, the front end fixedly connected with first flange ring 2 of sleeve pipe 1 outer wall, the rear end fixedly connected with second flange ring 3 of sleeve pipe 1 outer wall, the center department fixedly connected with first communicating pipe 6 of mounting box 5 lower surface, the lower extreme fixedly connected with third flange ring 7 of first communicating pipe 6 outer wall, the lower extreme of third flange ring 7 passes through bolt fixedly connected with fourth flange ring 8;
the inner wall fixedly connected with second communicating pipe 9 of fourth flange ring 8, the lower extreme of second communicating pipe 9 and sleeve pipe 1 fixed connection, the front end fixedly connected with servo motor 10 of the inside top surface of install bin 5, servo motor 10's output fixedly connected with driving gear 11, the middle part fixedly connected with install frame 14 of sleeve pipe 1 outer wall lower extreme, the center department rotation of the inside top surface of install bin 5 is connected with valve rod 13.
Through the equal fixedly connected with scour plate 25 at the outer wall of valve plate 24 front end and rear end, be convenient for prevent that the medium from scouring to valve plate 24, promoted the life of valve plate 24 to a certain extent, through the cooperation work of first alloy sealing ring 26 and second alloy sealing ring 27 at the rear end of valve plate 24 outer wall fixed connection respectively, promoted the leakproofness of valve plate 24, through the joint cooperation of fixture block 31 all with stopper 23, reduced the pressure that valve plate 24 received to a certain extent, promoted the life of valve plate 24.
The rear end of the inner wall of the water pipe 4 is fixedly connected with a water blocking ring 19, the inner wall of one side of the water blocking ring 19, which is close to the center of the water pipe 4, is provided with a first installation cavity 20, the inner wall of one side of the first installation cavity 20, which is far away from the center of the water pipe 4, is fixedly connected with a first spring 21, one side of the first spring 21, which is close to the center of the water pipe 4, is fixedly connected with a first connecting block 22, the outer wall of one side of the first connecting block 22, which is close to the center of the water pipe 4, is fixedly connected with a limiting block 31, so that a worker clamping block 31 is matched with the limiting block 31 in a clamping way, the upper part of the outer wall of a rod body of the valve rod 13 is fixedly connected with a driven gear 12, the driven gear 12 is meshed with a gear of the driving gear 11, so that the worker drives the driven gear 12 to rotate through a servo motor 10, and then drives the valve rod 13 to rotate, thereby achieving the purpose of controlling the closing of the valve plate 24, the lower end of the valve rod 13 penetrates through the installation box 5 and is rotationally connected with the bottom surface inside the installation frame 14, the valve rod 13 can rotate normally conveniently, the first sealing pad 15 is fixedly connected to the inner wall of the joint of the first communicating pipe 6 and the second communicating pipe 9, the second sealing pad 16 is fixedly connected to the lower end of the inner wall of the second communicating pipe 9, the third sealing pad 17 is fixedly connected to the middle part of the inner wall of the upper end of the sleeve 1 and the water pipe 4 and the middle part of the inner wall of the lower end, the fourth sealing pad 18 is fixedly connected to the upper end of the inner wall of the mounting frame 14, the medium in the water pipe 4 is prevented from flowing into the second communicating pipe 9 and the mounting frame 14 conveniently, the valve plate 24 is fixedly connected to the middle part of the outer wall of the rod body of the valve rod 13, the flushing plate 25 is fixedly connected to the outer walls of the front end and the rear end of the valve plate 24, the medium is prevented from flushing the valve plate 24 conveniently, the service life of the valve plate 24 is prolonged to a certain extent, the second mounting cavity 28 is formed in the rear ends of the upper surface and the lower surface of the valve plate 24, the inner wall that second installation cavity 28 was kept away from water pipe 4 center department one side is equal fixedly connected with second spring 29, the removal orbit of the restriction fixture block 31 of being convenient for, the equal fixedly connected with second connecting block 30 of one side that second spring 29 kept away from water pipe 4 center department, one side that second connecting block 30 was kept away from water pipe 4 center department is equal fixedly connected with fixture block 31, fixture block 31 all cooperates with stopper 23 joint, the rear end of valve plate 24 outer wall is first alloy sealing ring 26 and second alloy sealing ring 27 of fixedly connected with respectively, the position in the choke ring 19 of valve plate 24 is fixed to the fixture block 31 of being convenient for has reduced the pressure that valve plate 24 received to a certain extent, the life of valve plate 24 has been promoted.
Working principle: before using this multilayer butterfly valve seal structure, at first through first flange ring 2 and second flange ring 3 with this multilayer butterfly valve seal structure and pipeline through being connected, through the servo motor 10 that has driving gear 11 in the front end setting of the inside top surface of mounting box 5, and the driven gear 12 that sets up in the upper portion of valve rod 13 shaft outer wall, through the gear engagement connection of driving gear 11 and driven gear 12, the staff of being convenient for drives driven gear 12 through servo motor 10 and rotates, and then drive valve rod 13 and rotate, reach the purpose of controlling valve plate 24 opening and shutting, and through all fixedly connected with scour plate 25 at the outer wall of valve plate 24 front end and rear end, be convenient for prevent that the medium from scouring to valve plate 24, the life of valve plate 24 has been promoted to a certain extent, through the cooperation work of first alloy sealing ring 26 and second alloy sealing ring 27 at the rear end of valve plate 24 outer wall fixed connection respectively, the leakproofness of valve plate 24 has been promoted, through the joint cooperation of fixture block 31 and stopper 23, the pressure that valve plate 24 received has been reduced to a certain extent, the life of valve plate 24 has been promoted.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a multilayer butterfly valve seal structure, includes sleeve pipe (1), water pipe (4) and install bin (5), its characterized in that: the inner wall of the sleeve (1) is fixedly connected with the water pipe (4), the front end of the outer wall of the sleeve (1) is fixedly connected with the first flange ring (2), the rear end of the outer wall of the sleeve (1) is fixedly connected with the second flange ring (3), the center of the lower surface of the mounting box (5) is fixedly connected with the first communication pipe (6), the lower end of the outer wall of the first communication pipe (6) is fixedly connected with the third flange ring (7), and the lower end of the third flange ring (7) is fixedly connected with the fourth flange ring (8) through bolts;
the inner wall fixedly connected with second communicating pipe (9) of fourth flange ring (8), the lower extreme and the sleeve pipe (1) fixed connection of second communicating pipe (9), the front end fixedly connected with servo motor (10) of the inside top surface of install bin (5), the output fixedly connected with driving gear (11) of servo motor (10), the middle part fixedly connected with installing frame (14) of sleeve pipe (1) outer wall lower extreme, the center department rotation of the inside top surface of install bin (5) is connected with valve rod (13).
2. The multi-level butterfly valve seal of claim 1, wherein: the rear end fixedly connected with water blocking ring (19) of water pipe (4) inner wall, first installation cavity (20) have all been seted up to one side inner wall that water blocking ring (19) are close to water pipe (4) center department, the inner wall that water pipe (4) center department one side was kept away from in first installation cavity (20) is equal fixedly connected with first spring (21), the one side that water pipe (4) center department is close to first spring (21) is equal fixedly connected with first connecting block (22), the equal fixedly connected with stopper (23) of outer wall that water pipe (4) center department one side is close to first connecting block (22).
3. The multi-level butterfly valve seal of claim 1, wherein: the upper part of the outer wall of the valve rod (13) is fixedly connected with a driven gear (12), and the driven gear (12) is connected with the gear of the driving gear (11) in a meshed manner.
4. The multi-level butterfly valve seal of claim 1, wherein: the lower end of the valve rod (13) penetrates through the mounting box (5) and is rotatably connected with the bottom surface inside the mounting frame (14).
5. The multi-level butterfly valve seal of claim 1, wherein: the inner wall fixedly connected with first sealed pad (15) of first communicating pipe (6) and second communicating pipe (9) junction, the lower extreme fixedly connected with second sealed pad (16) of second communicating pipe (9) inner wall, the middle part of sleeve pipe (1) and water pipe (4) upper end inner wall and the middle part of lower extreme inner wall all fixedly connected with third sealed pad (17), the upper end fixedly connected with fourth sealed pad (18) of installing frame (14) inner wall.
6. The multi-level butterfly valve seal of claim 1, wherein: the middle part of the outer wall of the valve rod body of the valve rod (13) is fixedly connected with a valve plate (24), and the outer walls of the front end and the rear end of the valve plate (24) are fixedly connected with a flushing plate (25).
7. The multi-level butterfly valve seal of claim 6, wherein: the rear ends of the upper surface and the lower surface of the valve plate (24) are respectively provided with a second installation cavity (28), and the inner walls of the second installation cavities (28) far away from one side of the center of the water pipe (4) are respectively fixedly connected with a second spring (29).
8. The multi-level butterfly valve seal of claim 7, wherein: the second spring (29) is kept away from one side of water pipe (4) center department and is all fixedly connected with second connecting block (30), one side that water pipe (4) center department was kept away from to second connecting block (30) is all fixedly connected with fixture block (31), the rear end of valve plate (24) outer wall is fixedly connected with first alloy sealing ring (26) and second alloy sealing ring (27) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321709812.4U CN219932978U (en) | 2023-07-03 | 2023-07-03 | Multi-level butterfly valve sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321709812.4U CN219932978U (en) | 2023-07-03 | 2023-07-03 | Multi-level butterfly valve sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932978U true CN219932978U (en) | 2023-10-31 |
Family
ID=88488838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321709812.4U Active CN219932978U (en) | 2023-07-03 | 2023-07-03 | Multi-level butterfly valve sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932978U (en) |
-
2023
- 2023-07-03 CN CN202321709812.4U patent/CN219932978U/en active Active
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