CN213512125U - Flange type sealing butterfly valve with good sealing performance - Google Patents
Flange type sealing butterfly valve with good sealing performance Download PDFInfo
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- CN213512125U CN213512125U CN202021920140.8U CN202021920140U CN213512125U CN 213512125 U CN213512125 U CN 213512125U CN 202021920140 U CN202021920140 U CN 202021920140U CN 213512125 U CN213512125 U CN 213512125U
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Abstract
The utility model discloses a flange formula seal butterfly valve that leakproofness is good relates to flange formula seal butterfly valve technical field, for solving current flange formula seal butterfly valve dish plate single structure, leads to the poor problem of leakproofness. The lower extreme of control mechanism is provided with the first empty core post, the below of the first empty core post is provided with the empty core post of second, the one end of the empty core post of first empty core post and second all is provided with the flange, the one end of flange is provided with first bolt, the inside of the first empty core post is provided with the valve rod, the other end of the empty core post of second is provided with first valve body, and the empty core post fixed connection of first valve body and second, the inner wall of first valve body is provided with the second valve body, the inside of second valve body is provided with first main dish board, one side of first main dish board is provided with first vice dish board, one side of first vice dish board is provided with the vice dish board of second, one side of the vice dish board of second is provided with the main dish board of second.
Description
Technical Field
The utility model relates to a flange formula seals butterfly valve technical field specifically is a flange formula seals butterfly valve that leakproofness is good.
Background
The flange type butterfly valve is simple in structure, small in size and light in weight, only consists of a few parts, and can be opened and closed quickly only by rotating ninety degrees, the operation is simple, meanwhile, the valve has good fluid control characteristics, the butterfly plate of the butterfly valve is installed in the diameter direction of a pipeline, in a cylindrical channel of a valve body of the butterfly valve, the disc-shaped butterfly plate rotates around an axis, the rotating angle is zero degrees to ninety degrees, when the valve rotates to ninety degrees, the valve is in a full-open state, when the flange butterfly valve is in a fully-opened position, the thickness of the butterfly plate is the only resistance when a medium flows through the valve body, therefore, the pressure drop generated by the valve is very small, and the flange type butterfly valve has good flow control characteristics.
However, the disc plate of the existing flange type sealing butterfly valve has a single structure, so that the sealing performance is poor; therefore, the existing requirements are not met, and a flange type sealing butterfly valve with good sealing performance is provided for the flange type sealing butterfly valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flange formula that leakproofness is good seals butterfly valve to solve the current flange formula that proposes in the above-mentioned background art and seal butterfly valve dish plate single structure, lead to the poor problem of leakproofness.
In order to achieve the above object, the utility model provides a following technical scheme: a flange type sealing butterfly valve with good sealing performance comprises a control mechanism, wherein a first hollow column is arranged at the lower end of the control mechanism, and the first hollow column is fixedly connected with the control mechanism, a second hollow column is arranged below the first hollow column, flanges are arranged at one ends of the first hollow column and the second hollow column, a first bolt is arranged at one end of each flange, a valve rod is arranged in the first hollow column, a first valve body is arranged at the other end of the second hollow column, the first valve body is fixedly connected with the second hollow column, the inner wall of the first valve body is provided with a second valve body, a first main disc plate is arranged inside the second valve body, a first auxiliary disc plate is arranged on one side of the first main disc plate, one side of the first auxiliary dish plate is provided with a second auxiliary dish plate, and one side of the second auxiliary dish plate is provided with a second main dish plate.
Preferably, the surface of the first auxiliary disc plate and the second auxiliary disc plate is provided with a valve rod groove, and the valve rod groove and the first auxiliary disc plate and the second auxiliary disc plate are of an integral structure.
Preferably, a sealing ring is arranged between the first main disc plate and the first auxiliary disc plate and between the second main disc plate and the second auxiliary disc plate.
Preferably, the outside of first main dish board, first vice dish board, the main dish board of second and the vice dish board of second all is provided with strengthens the pad, and strengthens pad and the equal fixed connection of first main dish board, first vice dish board, the main dish board of second and the vice dish board of second.
Preferably, a connecting column is arranged between the first auxiliary dish plate and the second auxiliary dish plate, a transverse flume is arranged inside the connecting column, a vertical flume is arranged on one side of the transverse flume, and the transverse flume is communicated with the vertical flume.
Preferably, bolt grooves are formed in the surfaces of the first main disc plate and the second main disc plate, and second bolts are arranged in the bolt grooves.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up first pair dish board and the vice dish board of second respectively in valve rod both sides, set up first main dish board in first pair dish board one side, set up the main dish board of second in vice dish board one side of second, all set up the sealing washer between first main dish board and first pair dish board and the vice dish board of second and second, first main dish board, first pair dish board and sealing washer are a dish board main part, the main dish board of second, the vice dish board of second and sealing washer are another dish board main part, for only a dish board main part improved the leakproofness, the butterfly valve normal use can be guaranteed to another one when a dish board main part damages simultaneously, prevent to control not live rivers, improve leakproofness and stability.
2. Through all setting up the enhancement pad in first main dish board, first pair dish board, the main dish board of second and the vice dish board outside of second, strengthen to fill up and be three horn shapes, support the sealing washer, when first main dish board, first pair dish board, the main dish board of second and the vice dish board of second rotate, through strengthening the stability that fills up the improvement sealing washer, prevent to rotate the friction and cause the bending to improve the leakproofness.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the top view structure of the disk plate connection of the present invention;
FIG. 3 is a schematic view of the inner top view structure of the connecting column of the present invention;
in the figure: 1. a control mechanism; 2. a flange; 3. a second hollow column; 4. a first bolt; 5. a first hollow column; 6. a first valve body; 7. a second valve body; 8. a first main disc plate; 9. a second bolt; 10. A bolt groove; 11. a reinforcing pad; 12. a first secondary disc plate; 13. a seal ring; 14. a valve stem recess; 15. a valve stem; 16. a second main disc plate; 17. a second pair of disks; 18. connecting columns; 19. a vertical flume; 20. and a transverse flume.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: a flange type sealing butterfly valve with good sealing performance comprises a control mechanism 1, a first hollow column 5 is arranged at the lower end of the control mechanism 1, and the first hollow column 5 is fixedly connected with the control mechanism 1, the second hollow column 3 is arranged below the first hollow column 5, one end of each of the first hollow column 5 and the second hollow column 3 is provided with a flange 2, one end of each flange 2 is provided with a first bolt 4, the inside of the first hollow column 5 is provided with a valve rod 15, the other end of the second hollow column 3 is provided with a first valve body 6, and first valve body 6 and the hollow post 3 fixed connection of second, the inner wall of first valve body 6 is provided with the second valve body 7, and the inside of second valve body 7 is provided with first main dish board 8, and one side of first main dish board 8 is provided with first pair dish board 12, and one side of first pair dish board 12 is provided with the vice dish board 17 of second, and one side of the vice dish board 17 of second is provided with the main dish board 16 of second.
Further, the surface of first pair dish board 12 and the vice dish board 17 of second all is provided with valve rod groove 14, and valve rod groove 14 and first pair dish board 12 and the vice dish board 17 of second are integrative structure, dish board main part of first main dish board 8 and the first pair dish board 12, and another dish board main part of the vice dish board 17 of second main dish board 16 and the second has improved the leakproofness for only a dish board main part.
Further, all be provided with sealing washer 13 between first main dish board 8 and first pair dish board 12 and the main dish board 16 of second and the vice dish board 17 of second, sealing washer 13 improves the leakproofness of first main dish board 8 and first pair dish board 12 and the vice dish board 16 of second and the vice dish board 17 of second, prevents through the form of cliping sealing washer 13 simultaneously that sealing washer 13 from dropping and damaging, improves the leakproofness.
Further, the outside of first main dish board 8, first pair dish board 12, the main dish board 16 of second and the vice dish board 17 of second all is provided with strengthens filling up 11, and strengthens filling up 11 and the equal fixed connection of the first main dish board 8, first pair dish board 12, the main dish board 16 of second and the vice dish board 17 of second, strengthens filling up 11 and supports sealing washer 13, increases stability, improves the leakproofness.
Further, a connecting column 18 is arranged between the first auxiliary disc plate 12 and the second auxiliary disc plate 17, a transverse flume 20 is arranged inside the connecting column 18, a vertical flume 19 is arranged on one side of the transverse flume 20, the transverse flume 20 is communicated with the vertical flume 19, stability is improved during rotation, and the connecting column 18 is prevented from inhibiting water flow speed through the transverse flume 20 and the vertical flume 19 during water flowing.
Further, the surfaces of the first main disc plate 8 and the second main disc plate 16 are provided with bolt grooves 10, second bolts 9 are arranged inside the bolt grooves 10, fixation is achieved through the second bolts 9, and the second bolts 9 are not prone to damage when rotating into the bolt grooves 10.
The working principle is as follows: during the use, a sealing washer 13 is cliied respectively to first main dish board 8 and first pair dish board 12 and the main dish board 16 of second and the vice dish board 17 of second, utilize second bolt 9 just fixed, it supports sealing washer 13 to strengthen filling up 11, increase stability, improve the leakproofness, fixed first pair dish board 12 and the vice dish board 17 of second rely on valve rod recess 14 card to go into valve rod 15, utilize second bolt 9 to fix, first hollow post 5 inserts valve rod 15, utilize the hollow 3 threaded connection of post of first bolt 4 and second, connect and finish back manual start control mechanism 1 and drive first main dish board 8, first pair dish board 12, the main dish board 16 of second and the vice dish board 17 of second rotate, realize butterfly valve normal use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a flange formula seal butterfly valve that leakproofness is good, includes control mechanism (1), its characterized in that: the lower end of the control mechanism (1) is provided with a first hollow column (5), the first hollow column (5) is fixedly connected with the control mechanism (1), a second hollow column (3) is arranged below the first hollow column (5), one ends of the first hollow column (5) and the second hollow column (3) are respectively provided with a flange (2), one end of each flange (2) is provided with a first bolt (4), a valve rod (15) is arranged inside the first hollow column (5), the other end of the second hollow column (3) is provided with a first valve body (6), the first valve body (6) is fixedly connected with the second hollow column (3), the inner wall of the first valve body (6) is provided with a second valve body (7), a first main disc plate (8) is arranged inside the second valve body (7), one side of the first main disc plate (8) is provided with a first auxiliary disc plate (12), one side of the first auxiliary dish plate (12) is provided with a second auxiliary dish plate (17), and one side of the second auxiliary dish plate (17) is provided with a second main dish plate (16).
2. The flange type sealing butterfly valve with good sealing performance as claimed in claim 1, wherein: the surface of first pair dish board (12) and second pair dish board (17) all is provided with valve rod recess (14), and valve rod recess (14) and first pair dish board (12) and second pair dish board (17) are an organic whole structure.
3. The flange type sealing butterfly valve with good sealing performance as claimed in claim 1, wherein: and sealing rings (13) are arranged between the first main disc plate (8) and the first auxiliary disc plate (12) and between the second main disc plate (16) and the second auxiliary disc plate (17).
4. The flange type sealing butterfly valve with good sealing performance as claimed in claim 1, wherein: the outside of first main dish board (8), first vice dish board (12), the main dish board of second (16) and the vice dish board of second (17) all is provided with strengthens pad (11), and strengthens pad (11) and first main dish board (8), first vice dish board (12), the main dish board of second (16) and the equal fixed connection of the vice dish board of second (17).
5. The flange type sealing butterfly valve with good sealing performance as claimed in claim 2, wherein: a connecting column (18) is arranged between the first auxiliary disc plate (12) and the second auxiliary disc plate (17), a transverse water flowing groove (20) is arranged inside the connecting column (18), a vertical water flowing groove (19) is arranged on one side of the transverse water flowing groove (20), and the transverse water flowing groove (20) is communicated with the vertical water flowing groove (19).
6. The flange type sealing butterfly valve with good sealing performance as claimed in claim 1, wherein:
bolt grooves (10) are formed in the surfaces of the first main disc plate (8) and the second main disc plate (16), and second bolts (9) are arranged inside the bolt grooves (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021920140.8U CN213512125U (en) | 2020-09-07 | 2020-09-07 | Flange type sealing butterfly valve with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021920140.8U CN213512125U (en) | 2020-09-07 | 2020-09-07 | Flange type sealing butterfly valve with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213512125U true CN213512125U (en) | 2021-06-22 |
Family
ID=76446398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021920140.8U Active CN213512125U (en) | 2020-09-07 | 2020-09-07 | Flange type sealing butterfly valve with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213512125U (en) |
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2020
- 2020-09-07 CN CN202021920140.8U patent/CN213512125U/en active Active
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