CN221591776U - Butterfly valve with high sealing performance - Google Patents
Butterfly valve with high sealing performance Download PDFInfo
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- CN221591776U CN221591776U CN202420304709.XU CN202420304709U CN221591776U CN 221591776 U CN221591776 U CN 221591776U CN 202420304709 U CN202420304709 U CN 202420304709U CN 221591776 U CN221591776 U CN 221591776U
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- valve
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Abstract
The utility model discloses a butterfly valve with high sealing performance, and relates to the technical field of butterfly valves; the utility model comprises a valve body and a pipeline, wherein the outer surface of the valve body is fixedly connected with a first external thread, the outer surface of the pipeline is fixedly connected with a second external thread, the two ends of the valve body are detachably connected with sealing mechanisms, the inner surface of the valve body is fixedly connected with a leakage-proof mechanism, the leakage-proof mechanism comprises a rotating wheel, the lower end of the rotating wheel is fixedly connected with a transmission rod, the lower end of the transmission rod is fixedly connected with a first bevel gear, the outer surface of the first bevel gear is in meshed connection with a second bevel gear, one end of the second bevel gear is fixedly connected with a threaded rod, the outer surface of the threaded rod is rotationally connected with a movable pipe, and the outer surface of the movable pipe is fixedly connected with a movable ring; the utility model can realize the functions of avoiding the swaying of the valve plate and poor tightness caused by the impact force of water flow on the surface of the valve plate due to the fact that the water flow in the valve body has certain pressure.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve with high sealing performance.
Background
The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve body in the valve body, so that the purpose of opening and closing or adjusting is achieved;
however, the prior art has the following problems:
Firstly, the existing butterfly valve is generally composed of a valve body, a valve rod, a control part and a valve plate, the valve rod drives the valve plate to rotate and open through a control device, but water flow in the valve body has certain pressure, the water flow has impact force on the surface of the valve plate, the valve plate is easy to shake, and the tightness is poor;
Secondly, all need install the rubber sealing pad between current butterfly valve and the pipeline and improve the leakproofness, the sealing pad adopts the rubber material, after long-time use, the sealing pad of rubber material takes place ageing because of the time and influences the leakproofness.
Disclosure of utility model
In order to solve the problems that water flow in the valve body has certain pressure, the water flow has impact force on the surface of the valve plate, the valve plate is easy to shake, the sealing performance is poor, the sealing gasket is made of rubber materials, and the sealing gasket made of rubber materials is aged for a long time after being used for a long time, so that the sealing performance is affected; the utility model aims to provide a butterfly valve with high sealing performance.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a butterfly valve that sealing performance is high, includes valve body and pipeline, the surface fixedly connected with first external screw thread of valve body, the surface fixedly connected with second external screw thread of pipeline, the sealing mechanism is dismantled at the both ends of valve body, the internal surface fixedly connected with leak protection mechanism of valve body, leak protection mechanism includes the rotation wheel, the lower extreme fixedly connected with transfer line of rotation wheel, the lower extreme fixedly connected with first bevel gear of transfer line, the surface meshing of first bevel gear is connected with second bevel gear, the one end fixedly connected with threaded rod of second bevel gear, the surface rotation of threaded rod is connected with the movable tube, the surface fixedly connected with movable ring of movable tube, one side fixedly connected with a plurality of connecting rods of movable ring, the one end fixedly connected with strengthening ring of connecting rod.
Preferably, the sealing mechanism comprises a fixed pipe, an internal thread is arranged on the inner surface of the fixed pipe, the inner surface of the internal thread is meshed with the first external thread and the second external thread, a sealing element is fixedly connected to the inner surface of the fixed pipe, a sealing ring is connected to the inner surface of the sealing element in a contact manner, and a first fixing ring and a second fixing ring are fixedly connected to two sides of the sealing ring, so that the connection tightness of the valve body and a pipeline can be enhanced.
Preferably, two movable grooves are formed in the inner surface of the valve body, two movable grooves are connected with a sliding block in a sliding mode, one side of the sliding block is fixedly connected with the movable ring, limiting can be provided for movement of the movable ring, two fixing pieces are rotatably connected to the outer surface of the threaded rod, the upper ends of the two fixing pieces are fixedly connected with the valve body, support and rotation can be provided for rotation of the threaded rod, eight connecting rods are arranged in total, the eight connecting rods are distributed in an annular array mode, and connection between the connecting rods and the reinforcing ring can be enhanced.
Preferably, the first fixed slot has been seted up at the both ends of valve body, and the internal surface in first fixed slot is connected with first fixed ring contact, can strengthen the leakproofness of sealing washer, the second fixed slot has been seted up to the one end of pipeline, and the internal surface in second fixed slot is connected with second fixed ring contact, can strengthen the leakproofness of sealing washer, the surface through connection of valve body has the axis of rotation, the upper end fixedly connected with valve of axis of rotation, the surface fixedly connected with connecting piece of axis of rotation, one side fixedly connected with valve plate of connecting piece can control the closing of rivers in the valve body.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, by arranging the leakage-proof mechanism, under the action of the rotating wheel, the bevel gear, the threaded rod, the movable ring and the reinforcing ring, the functions of preventing the valve plate from shaking and poor sealing performance caused by the impact force of water flow in the valve body on the surface of the valve plate due to the fact that the water flow in the valve body has certain pressure can be realized;
2. According to the utility model, by arranging the sealing mechanism, under the action of the fixed pipe, the sealing piece, the sealing ring and the fixed ring, the function of avoiding influencing the sealing performance when the sealing gasket ages after long-time use can be realized.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic view of the leak-proof mechanism of the present utility model.
FIG. 3 is a schematic view of a sealing mechanism according to the present utility model.
In the figure: 1. a valve body; 11. a moving groove; 12. a first fixing groove; 13. a first external thread; 2. a leakage prevention mechanism; 21. a rotating wheel; 22. a transmission rod; 23. a first bevel gear; 24. a second bevel gear; 25. a threaded rod; 251. a fixing member; 26. a moving tube; 27. a moving ring; 271. a slide block; 28. a connecting rod; 29. a reinforcing ring; 3. a sealing mechanism; 31. a fixed tube; 32. an internal thread; 33. a seal; 34. a seal ring; 35. a first fixing ring; 36. a second fixing ring; 4. a valve; 41. a rotating shaft; 42. a connecting piece; 43. a valve plate; 5. a pipe; 51. a second external thread; 52. and a second fixing groove.
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.
Embodiment one: as shown in fig. 1-2, the utility model provides a butterfly valve with high sealing performance, which comprises a valve body 1 and a pipeline 5, wherein a first external thread 13 is fixedly connected to the outer surface of the valve body 1, a second external thread 51 is fixedly connected to the outer surface of the pipeline 5, sealing mechanisms 3 are detachably connected to two ends of the valve body 1, a leakage-proof mechanism 2 is fixedly connected to the inner surface of the valve body 1, the leakage-proof mechanism 2 comprises a rotating wheel 21, a transmission rod 22 is fixedly connected to the lower end of the rotating wheel 21, a first bevel gear 23 is fixedly connected to the lower end of the transmission rod 22, a second bevel gear 24 is meshed and connected to the outer surface of the first bevel gear 23, a threaded rod 25 is fixedly connected to one end of the second bevel gear 24, a moving pipe 26 is rotatably connected to the outer surface of the threaded rod 25, a moving ring 27 is fixedly connected to one side of the moving ring 27, and one end of the connecting rod 28 is fixedly connected to a reinforcing ring 29.
Two moving grooves 11 are formed in the inner surface of the valve body 1, a sliding block 271 is slidably connected to the inner surfaces of the two moving grooves 11, and one side of the sliding block 271 is fixedly connected with the moving ring 27.
By adopting the above technical solution, it is possible to provide a limit to the movement of the moving ring 27.
The outer surface of the threaded rod 25 is rotatably connected with two fixing pieces 251, and the upper ends of the two fixing pieces 251 are fixedly connected with the valve body 1.
By adopting the above technical solution, support and rotation can be provided for the rotation of the threaded rod 25.
Eight connecting rods 28 are provided, and the eight connecting rods 28 are distributed in an annular array.
By adopting the above technical solution, the connection between the connecting rod 28 and the reinforcing ring 29 can be reinforced.
The two ends of the valve body 1 are provided with first fixing grooves 12, and the inner surfaces of the first fixing grooves 12 are in contact connection with first fixing rings 35.
By adopting the above-described technical scheme, the sealing performance of the seal ring 34 can be enhanced.
A second fixing groove 52 is formed at one end of the pipe 5, and the inner surface of the second fixing groove 52 is in contact connection with the second fixing ring 36.
By adopting the above-described technical scheme, the sealing performance of the seal ring 34 can be enhanced.
The outer surface of the valve body 1 is connected with a rotating shaft 41 in a penetrating way, the upper end of the rotating shaft 41 is fixedly connected with a valve 4, the outer surface of the rotating shaft 41 is fixedly connected with a connecting piece 42, and one side of the connecting piece 42 is fixedly connected with a valve plate 43.
By adopting the technical scheme, the water flow in the valve body 1 can be controlled.
Embodiment two: as shown in fig. 3, the sealing mechanism 3 includes a fixed pipe 31, an internal thread 32 is provided on an inner surface of the fixed pipe 31, the inner surface of the internal thread 32 is engaged with and connected with a first external thread 13 and a second external thread 51, a sealing member 33 is fixedly connected to the inner surface of the fixed pipe 31, a sealing ring 34 is connected to the inner surface of the sealing member 33 in a contact manner, and a first fixing ring 35 and a second fixing ring 36 are fixedly connected to two sides of the sealing ring 34.
By adopting the technical scheme, the connection tightness of the valve body 1 and the pipeline 5 can be enhanced.
Working principle: firstly, a worker rotates a valve 4, the valve 4 rotates to drive a rotating shaft 41 to rotate, the rotating shaft 41 rotates to drive a connecting piece 42 to rotate, the connecting piece 42 rotates to drive a valve plate 43 to rotate, the valve plate 43 rotates to seal a valve body 1, the rotating wheel 21 rotates to drive a transmission rod 22 to rotate, the transmission rod 22 rotates to drive a first bevel gear 23 to rotate, the first bevel gear 23 rotates to drive a second bevel gear 24 to rotate, the second bevel gear 24 rotates to drive a threaded rod 25 to rotate, the threaded rod 25 rotates to drive a moving pipe 26 to move, the moving pipe 26 moves to drive a moving ring 27 to move along a moving groove 11 under the action of a sliding block 271, the moving ring 27 moves to drive a connecting rod 28 to move, the connecting rod 28 moves to drive a reinforcing ring 29 to move, the reinforcing ring 29 moves to push the valve plate 43 against the valve plate 43, then a sealing ring 34 is placed between the valve body 1 and a pipeline 5 under the action of a first fixing ring 35 and a second fixing ring 36, a sealing piece 33 on the fixing pipe 31 is tightly attached to the sealing ring 34, a first external thread 13 on the valve body 1 and a second external thread 51 on the pipeline 5 are rotatably connected with an internal thread 32 on the fixing pipe 31, and the fixing pipe 31 is enabled to connect the valve body 1 and the pipeline 5 together.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The butterfly valve with high sealing performance comprises a valve body (1) and a pipeline (5), and is characterized in that a first external thread (13) is fixedly connected to the outer surface of the valve body (1), a second external thread (51) is fixedly connected to the outer surface of the pipeline (5), sealing mechanisms (3) are detachably connected to the two ends of the valve body (1), and a leakage-proof mechanism (2) is fixedly connected to the inner surface of the valve body (1);
The anti-leakage mechanism (2) comprises a rotating wheel (21), the lower end fixedly connected with transfer line (22) of rotating wheel (21), the lower extreme fixedly connected with first bevel gear (23) of transfer line (22), the surface meshing of first bevel gear (23) is connected with second bevel gear (24), the one end fixedly connected with threaded rod (25) of second bevel gear (24), the surface rotation of threaded rod (25) is connected with movable tube (26), the surface fixedly connected with of movable tube (26) removes ring (27), one side fixedly connected with of removing ring (27) a plurality of connecting rods (28), the one end fixedly connected with strengthening ring (29) of connecting rod (28).
2. The butterfly valve with high sealing performance according to claim 1, wherein the sealing mechanism (3) comprises a fixed pipe (31), an internal thread (32) is formed on the inner surface of the fixed pipe (31), the inner surface of the internal thread (32) is meshed with the first external thread (13) and the second external thread (51), a sealing element (33) is fixedly connected to the inner surface of the fixed pipe (31), a sealing ring (34) is connected to the inner surface of the sealing element (33) in a contact manner, and a first fixing ring (35) and a second fixing ring (36) are fixedly connected to two sides of the sealing ring (34).
3. A butterfly valve with high sealing performance according to claim 1, characterized in that two moving grooves (11) are formed on the inner surface of the valve body (1), the inner surfaces of the two moving grooves (11) are slidably connected with a sliding block (271), and one side of the sliding block (271) is fixedly connected with a moving ring (27).
4. A butterfly valve with high sealing performance according to claim 1, characterized in that the outer surface of the threaded rod (25) is rotatably connected with two fixing pieces (251), and the upper ends of the two fixing pieces (251) are fixedly connected with the valve body (1).
5. A butterfly valve with high sealing performance according to claim 1, wherein a total of eight connecting rods (28) are provided, and the eight connecting rods (28) are distributed in an annular array.
6. A butterfly valve with high sealing performance according to claim 1, wherein the two ends of the valve body (1) are provided with first fixing grooves (12), and the inner surface of the first fixing grooves (12) is in contact connection with the first fixing ring (35).
7. A butterfly valve with high sealing performance according to claim 1, wherein a second fixing groove (52) is provided at one end of the pipe (5), and the inner surface of the second fixing groove (52) is in contact connection with the second fixing ring (36).
8. The butterfly valve with high sealing performance according to claim 1, wherein the outer surface of the valve body (1) is connected with a rotating shaft (41) in a penetrating manner, the upper end of the rotating shaft (41) is fixedly connected with a valve (4), the outer surface of the rotating shaft (41) is fixedly connected with a connecting piece (42), and one side of the connecting piece (42) is fixedly connected with a valve plate (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420304709.XU CN221591776U (en) | 2024-02-19 | 2024-02-19 | Butterfly valve with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420304709.XU CN221591776U (en) | 2024-02-19 | 2024-02-19 | Butterfly valve with high sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221591776U true CN221591776U (en) | 2024-08-23 |
Family
ID=92399983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420304709.XU Active CN221591776U (en) | 2024-02-19 | 2024-02-19 | Butterfly valve with high sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221591776U (en) |
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2024
- 2024-02-19 CN CN202420304709.XU patent/CN221591776U/en active Active
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