CN220891103U - Leak-proof butt-clamping butterfly valve - Google Patents
Leak-proof butt-clamping butterfly valve Download PDFInfo
- Publication number
- CN220891103U CN220891103U CN202322805427.6U CN202322805427U CN220891103U CN 220891103 U CN220891103 U CN 220891103U CN 202322805427 U CN202322805427 U CN 202322805427U CN 220891103 U CN220891103 U CN 220891103U
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- fixedly connected
- ring
- butterfly valve
- butt
- sealing ring
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- 238000007789 sealing Methods 0.000 claims abstract description 55
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000001125 extrusion Methods 0.000 claims description 17
- 239000006096 absorbing agent Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model relates to the technical field related to butterfly valves and provides a leakage-proof butt-clamp butterfly valve, which comprises a sealing shell, wherein a first communicating groove which is opposite to each other in front and back is formed in the bottom end of the sealing shell, a first connecting pipe is fixedly connected to the bottom end of the first communicating groove, a rotating rod is rotatably connected to the middle end of the inner side of the sealing shell, a switch is arranged at the top end of the rotating rod, a fixing rod which is opposite to each other in front and back is fixedly connected to the outer side of the middle end of the rotating rod, and a sealing plate is fixedly connected to the inner side of the fixing rod.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a leakage-proof butt clamp butterfly valve.
Background
In the field of industry and fluid control, particularly in liquid and gas piping systems, prevention of leakage is critical. Leakage not only results in wasted fluid, but may also cause environmental pollution, safety risks and production losses. Thus, leakage protection has been an important concern in the design and manufacture of valves, particularly critical valves such as butterfly valves.
Through retrieval, the prior patent (publication number: CN 209213160U) discloses a butt-clamping type sealing butterfly valve, which comprises a butterfly valve body and a butterfly valve plate arranged in the inner cavity of the butterfly valve body, wherein a step installation body is connected above the butterfly valve body through a communicating vessel in a penetrating way, a mandrel which is inserted into the step installation body and is connected with the butterfly valve plate is sleeved with a sealing cylinder capable of preventing liquid leakage; the sector ratchet wheel is arranged in the ladder installation body, the butt-clamping type sealing butterfly valve is simple in structure, the quick and convenient valve opening and closing adjustment is realized by adding the combination of the ladder installation body, the sector ratchet wheel, the telescopic movable clamp body, the fixed clamp body and the like, the lever principle is adopted, the labor-saving adjustment can be realized without external redundant hydraulic pressure or air pressure, and the butt-clamping type sealing butterfly valve is suitable for being popularized and used in factories.
However, in the above scheme, during the use, if the valve is closed quickly, a water hammer effect may occur, so that damage to the valve and the water pipe is caused.
In view of the above, the utility model provides a leak-proof butt-clamping butterfly valve.
Disclosure of utility model
The utility model provides a leakage-proof butt-clamping butterfly valve, which solves the problem that a valve and a pipeline are damaged by a water hammer effect in the related art.
The technical scheme of the utility model is as follows: the utility model provides a leak protection butt clamp butterfly valve, includes the seal shell, relative first UNICOM's groove around having been seted up to the seal shell bottom, first UNICOM's tank bottom fixedly connected with first connecting pipe, the inboard middle-end rotation of seal shell is connected with the dwang, the dwang top is provided with the switch, the dead lever that the end outside fixedly connected with was relative around the dwang, the inboard fixedly connected with closing plate of dead lever, dwang bottom fixedly connected with switching dish, the relative second UNICOM's groove around having been seted up to the switching dish inboard, seal shell bottom fixedly connected with evenly distributed's support column, support column bottom fixedly connected with relief pressure tank, relative second connecting pipe around relief pressure tank top fixedly connected with, the inboard top sliding connection of relief pressure tank has relative piston around, piston bottom fixedly connected with evenly distributed's attenuator, the attenuator outside is provided with spring.
Preferably, the adapter plate is slidably connected with the first connecting pipe, and the adapter plate is slidably connected with the second connecting pipe.
Preferably, the middle end of the inner side of the sealing shell is fixedly connected with a sealing ring, and the outer side of the sealing ring is fixedly connected with connecting blocks which are uniformly distributed in the front-back direction.
Preferably, the connecting ring is fixedly connected to the outer side of the connecting block, and the second sealing ring is fixedly connected to the outer side of the connecting ring.
Preferably, the rear end of the connecting ring is fixedly connected with a second hinge bracket, the outer side of the second hinge bracket is rotationally connected with a transmission rod, and the front end of the outer side of the transmission rod is rotationally connected with a second extrusion plate.
Preferably, the front end of the second extrusion plate is provided with a first driving ring, and the front end of the first driving ring is fixedly connected with a first sealing ring.
Preferably, the front end of the inner side of the transmission rod is rotatably connected with a first extrusion plate.
Preferably, the front end of the first extrusion plate is provided with a second driving ring, and the front end of the second driving ring is fixedly connected with a third sealing ring.
The working principle and the beneficial effects of the utility model are as follows:
1. According to the utility model, through the arrangement, according to the mutual coordination of the rotating rod, the first connecting pipe, the first communicating groove, the second connecting pipe, the pressure relief box, the piston, the damper, the rotating disc and the spring, the rotating rod drives the rotating disc to rotate, and after the sealing plate is closed, the second communicating groove is just driven by the rotating disc to be communicated with the first connecting pipe and the second connecting pipe, so that liquid in the pipe is flushed into the pressure relief box through self inertia after the valve is closed, the piston is pushed to move downwards to compress the damper and the spring below, and the impact force is converted into heat, so that the valve and the pipeline are protected;
2. According to the utility model, through the mutual matching of the first transmission ring, the first sealing ring, the second sealing ring, the third sealing ring, the first extrusion plate, the switch, the second hinge bracket, the transmission rod, the second extrusion plate, the second transmission ring, the connecting ring, the sealing ring and the connecting block, when the valve is installed, the first sealing ring and the first transmission ring are extruded through pipelines on two sides, so that the extrusion force is converted into the thrust through the transmission rod, the second transmission ring and the third sealing ring are pushed outwards, and the tighter the connection between the pipeline and the butterfly valve is, the stronger the outward thrust of the second transmission ring and the third sealing ring is, thereby improving the tightness of the valve and the pipeline.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic side sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;
Fig. 5 is a schematic view of a second hinge bracket according to the present utility model.
In the figure: 1. a sealed housing; 2. a first drive ring; 3. a first seal ring; 4. a second seal ring; 5. a third seal ring; 6. a first pressing plate; 7. a switch; 8. a second hinge bracket; 9. a connecting block; 10. a transmission rod; 11. a second pressing plate; 12. a rotating lever; 13. a fixed rod; 14. a sealing plate; 15. a seal ring; 16. a second drive ring; 17. a connecting ring; 18. a first connection pipe; 19. a first communicating groove; 20. a second communicating groove; 21. a second connection pipe; 22. a pressure relief box; 23. a piston; 24. a damper; 25. a spring; 26. a support column; 27. a switching disc.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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
The preferred embodiments of the anti-leakage butt-clamp butterfly valve provided by the utility model are shown in fig. 1 to 5: a leak-proof butt-clamp butterfly valve comprises a sealing shell 1, a first communication groove 19 opposite to each other from front to back is arranged at the bottom end of the sealing shell 1, a first connecting pipe 18 is fixedly connected at the bottom end of the first communication groove 19, a rotating rod 12 is rotatably connected at the middle end of the inner side of the sealing shell 1, a switch 7 is arranged at the top end of the rotating rod 12, the rotation of the rotating rod 12 is controlled by the switch 7, a fixing rod 13 opposite to each other from front to back is fixedly connected at the outer side of the middle end of the rotating rod 12, a sealing plate 14 is fixedly connected at the inner side of the fixing rod 13, the rotating rod 12 and the sealing plate 14 are connected through the fixing rod 13, the connection strength between the rotating rod 12 and the sealing plate 14 is enhanced, a rotating disc 27 is driven to rotate through the rotating rod 12, a second communication groove 20 opposite from front to back is arranged at the inner side of the rotating disc 27, support columns 26 are uniformly distributed at the bottom end of the sealing shell 1, a pressure relief box 22 is fixedly connected at the bottom end of the support columns 26, the sealing shell 1 and the pressure relief box 22 are connected through the supporting column 26, a second connecting pipe 21 which is opposite in front and back is fixedly connected to the top end of the pressure relief box 22, a second connecting groove 20 is driven by a rotating ring through a rotating rod 12 to rotate through the rotating ring 27 when the valve is closed, after the valve is completely closed, the second connecting groove 20 just rotates between the first connecting pipe 18 and the second connecting pipe 21, so that the first connecting pipe 18 and the second connecting pipe 21 are communicated, a piston 23 which is opposite in front and back is slidingly connected to the top end of the inner side of the pressure relief box 22, a damper 24 which is uniformly distributed is fixedly connected to the bottom end of the piston 23, a spring 25 is arranged outside the damper 24, when the water hammer effect occurs, liquid is flushed into the pressure relief box 22 through the first connecting groove 19, the first connecting pipe 18, the second connecting groove 20 and the second connecting pipe 21 by inertia, impact is carried out on the piston 23, the piston 23 is pushed to move downwards, and meanwhile the damper 24 and the spring 25 are compressed, so that impact force is absorbed by the damper 24 and the spring 25, and damage to a valve and a pipeline caused by the impact force is avoided.
In this embodiment, the adapter plate 27 is slidably connected to the first connecting tube 18, the adapter plate 27 is slidably connected to the second connecting tube 21, and the adapter plate 27 is in sliding sealing relation with the first connecting tube 18 and the second connecting tube 21.
Example 2
On the basis of embodiment 1, a preferred embodiment of a leak-proof butt-clamp butterfly valve according to the present utility model is shown in fig. 1 to 5: the middle end of the inner side of the sealing shell 1 is fixedly connected with a sealing ring 15, and the outer side of the sealing ring 15 is fixedly connected with a connecting block 9 which is uniformly distributed in the front-back direction and passes through.
In this embodiment, the connecting ring 17 is fixedly connected to the outer side of the connecting block 9, the second sealing ring 4 is fixedly connected to the outer side of the connecting ring 17, and the sealing ring 15 and the connecting ring 17 are connected through the connecting block 9.
In this embodiment, the rear end of the connecting ring 17 is fixedly connected with a second hinge bracket 8, the outer side of the second hinge bracket 8 is rotationally connected with a transmission rod 10, the front end of the outer side of the transmission rod 10 is rotationally connected with a second extrusion plate 11, and the transmission rod 10 is connected with the connecting ring 17 through the second hinge bracket 8.
In this embodiment, the front end of the second extrusion plate 11 is provided with a first driving ring 2, the front end of the first driving ring 2 is fixedly connected with a first sealing ring 3, the second extrusion plate 11 is slidably connected with the first driving ring 2, and the second extrusion plate 11 can slide between the first driving ring 2 when pushing the first driving ring 2.
In this embodiment, the front end of the inner side of the transmission rod 10 is rotatably connected with the first extrusion plate 6.
In this embodiment, the front end of the first extrusion plate 6 is provided with the second driving ring 16, the front end of the second driving ring 16 is fixedly connected with the third sealing ring 5, when the valve is installed, by pushing the first sealing ring 3 and the first driving ring 2, by utilizing the mutual matching of the second hinge bracket 8 and the transmission rod 10, the pressure is transferred to the second driving ring 16 and the third sealing ring 5, and the second driving ring 16 and the third sealing ring 5 are pushed outwards, so that the connection strength between the second driving ring 16 and the third sealing ring 5 and the pipeline is enhanced.
The working principle and the using flow of the utility model are as follows: when the anti-leakage butt-clamp butterfly valve is installed, the valve is connected through the pipelines on two sides, in the locking process, the first drive ring 2 and the first sealing ring 3 are extruded through the pipelines, then the second hinge bracket 8 and the transmission rod 10 are matched with each other, the pressure born by the first drive ring 2 and the first sealing ring 3 is converted into thrust through the second hinge bracket 8 and the transmission rod 10 to be transmitted to the second drive ring 16 and the third sealing ring 5, the second drive ring 16 and the third sealing ring 5 are pushed outwards, the more tightly the second drive ring 16 and the third sealing ring 5 are locked, the larger the thrust born by the second drive ring 16 and the third sealing ring 5 is, the tightness between the valve and the pipelines is improved, when the valve is closed to generate a water hammer effect, the valve is completely closed, the rotary disc 27 is driven to rotate through the rotary rod 12 in the closing process, and the second connecting pipe 20 is simultaneously driven to rotate through the rotary disc 27, so that the first connecting pipe 18 and the second connecting pipe 21 are communicated through the second communicating groove 20, the liquid is enabled to pass through the inertia to be communicated with the first connecting groove 19, the first connecting pipe 18 and the second connecting pipe 21, the second connecting pipe 21 and the piston 23 are also pushed by the second connecting pipe 21 and the piston 23, the impact absorber is prevented from being damaged by the impact absorber 24, and the impact absorber 23 is compressed by the piston, and the impact absorber 23 is prevented from being damaged, and the impact absorber is caused by the impact absorber 24.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a leak protection butt clamp butterfly valve, includes seal shell (1), its characterized in that, relative first UNICOM's groove (19) around seal shell (1) bottom has been seted up, first UNICOM's groove (19) bottom fixedly connected with first connecting pipe (18), the inboard middle-end rotation of seal shell (1) is connected with dwang (12), dwang (12) top is provided with switch (7), dead lever (13) relative around end outside fixedly connected with in dwang (12), dead lever (13) inboard fixedly connected with closing plate (14), dwang (12) bottom fixedly connected with adapter plate (27), relative second UNICOM's groove (20) around adapter plate (27) inboard has been seted up, seal shell (1) bottom fixedly connected with evenly distributed's support column (26), support column (26) bottom fixedly connected with pressure release case (22), pressure release case (22) top fixedly connected with relative second (21) around, piston (24) are connected with piston (24) relative to the back, piston (24) are connected with piston (24) outside.
2. A leak-proof butt-clamp butterfly valve according to claim 1, characterized in that the adapter plate (27) is slidingly connected to the first connecting pipe (18), the adapter plate (27) being slidingly connected to the second connecting pipe (21).
3. The anti-leakage butt-clamp butterfly valve according to claim 1, wherein a sealing ring (15) is fixedly connected to the middle end of the inner side of the sealing shell (1), and connecting blocks (9) uniformly distributed in the front-back direction are fixedly connected to the outer side of the sealing ring (15).
4. A leak-proof butt-clamp butterfly valve according to claim 3, characterized in that the connecting block (9) is fixedly connected with a connecting ring (17) at the outer side, and the connecting ring (17) is fixedly connected with a second sealing ring (4) at the outer side.
5. The anti-leakage butt-clamp butterfly valve of claim 4, wherein the rear end of the connecting ring (17) is fixedly connected with a second hinge bracket (8), the outer side of the second hinge bracket (8) is rotationally connected with a transmission rod (10), and the front end of the outer side of the transmission rod (10) is rotationally connected with a second extrusion plate (11).
6. The anti-leakage butt-clamp butterfly valve of claim 5, wherein a first driving ring (2) is arranged at the front end of the second extrusion plate (11), and a first sealing ring (3) is fixedly connected to the front end of the first driving ring (2).
7. The anti-leakage butt-clamp butterfly valve of claim 5, wherein the front end of the inner side of the transmission rod (10) is rotatably connected with a first extrusion plate (6).
8. The anti-leakage butt-clamp butterfly valve according to claim 7, wherein a second driving ring (16) is arranged at the front end of the first extrusion plate (6), and a third sealing ring (5) is fixedly connected to the front end of the second driving ring (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322805427.6U CN220891103U (en) | 2023-10-19 | 2023-10-19 | Leak-proof butt-clamping butterfly valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322805427.6U CN220891103U (en) | 2023-10-19 | 2023-10-19 | Leak-proof butt-clamping butterfly valve |
Publications (1)
Publication Number | Publication Date |
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CN220891103U true CN220891103U (en) | 2024-05-03 |
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ID=90836597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322805427.6U Active CN220891103U (en) | 2023-10-19 | 2023-10-19 | Leak-proof butt-clamping butterfly valve |
Country Status (1)
Country | Link |
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CN (1) | CN220891103U (en) |
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2023
- 2023-10-19 CN CN202322805427.6U patent/CN220891103U/en active Active
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