CN221221827U - Eccentric bidirectional sealing butterfly valve - Google Patents
Eccentric bidirectional sealing butterfly valve Download PDFInfo
- Publication number
- CN221221827U CN221221827U CN202322977633.5U CN202322977633U CN221221827U CN 221221827 U CN221221827 U CN 221221827U CN 202322977633 U CN202322977633 U CN 202322977633U CN 221221827 U CN221221827 U CN 221221827U
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- Prior art keywords
- butterfly valve
- connecting pipe
- snap ring
- sealing
- ring
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- 238000007789 sealing Methods 0.000 title claims abstract description 53
- 230000002457 bidirectional effect Effects 0.000 title abstract description 19
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims 1
- 125000003003 spiro group Chemical group 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 238000009434 installation Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 8
- 239000003381 stabilizer Substances 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model belongs to the technical field of valves, and particularly relates to an eccentric bidirectional sealing butterfly valve, which comprises a butterfly valve main body and a connecting sealing assembly arranged on the surface of the butterfly valve main body; during the use through set up connection seal assembly in the junction of butterfly valve main part, earlier through passing through flange and screw rod with the connecting pipe on fixing the butterfly valve main part to the connecting pipe during the use installation, through setting up the first snap ring on butterfly valve main part surface and cooperation second snap ring on the connecting pipe, through in the second snap ring with first snap ring block, this design simple structure uses simple to operate, and sealed effectual, further improve the sealed effect between butterfly valve main part and the connecting pipe, and cooperation spacing subassembly, through installing the stabilizer at second snap ring internal face, make the second snap ring pass through the stabilizer slip in the spacing groove of seting up on the connecting pipe surface, can be spacing second snap ring shift position, and can improve the use stability effect, stability is strong.
Description
Technical Field
The utility model belongs to the technical field of valves, and particularly relates to an eccentric bidirectional sealing butterfly valve.
Background
The butterfly valve is also called as a flap valve, is a regulating valve with a simple structure, and can be used for the on-off control of low-pressure pipeline media, wherein the butterfly valve is a valve with a disc as a closing member and rotates around a valve shaft to realize opening and closing;
Through investigation publication (bulletin) number: CN211117682U discloses a triple eccentric bidirectional hard sealing butterfly valve, which comprises a valve body, wherein a valve plate is arranged in an inner cavity of the valve body, the valve plate comprises a fixed ring, the right side of the fixed ring is fixedly connected with a baffle through a fixed bolt, a sealing ring is arranged between the fixed ring and the baffle, a connecting seat is symmetrically and fixedly arranged on the left side of the valve plate, a valve rod is fixedly connected in the connecting seat, an upper valve seat is fixedly arranged at the top of the valve body, the top end of the valve rod penetrates through the upper valve seat, a sealing cavity is formed in the inner cavity of the upper valve seat, a pressing plate is arranged at the top of the upper valve seat, the pressing plate is connected with the upper valve seat through a fastening bolt, the bottom of the pressing plate is fixedly provided with a pressing rod and other technical contents, and the triple eccentric bidirectional hard sealing butterfly valve has the advantages of good fluid control characteristics, good sealing performance of closing, the packing of the valve rod is not easy to break, and the sealing is reliable and the like;
Although the design has good fluid control characteristics and closing sealing performance, the packing of the valve rod is not easy to break, and the sealing is reliable, the design is generally in butt joint sealing installation through flange plates and bolt matched rubber pads when the valve body is connected in actual use, and the rubber rings are seriously aged after long-time use due to large bearing pressure at the joint between the valve body and a pipeline, so that the sealing effect is gradually deteriorated, the phenomenon of unstable water seepage sealing is easily caused, potential safety hazards are easily caused due to untimely treatment, and the treatment and replacement are relatively troublesome.
In order to solve the problems, the application provides an eccentric bidirectional sealing butterfly valve.
Disclosure of utility model
To solve the problems set forth in the background art. The utility model provides an eccentric bidirectional sealing butterfly valve which has the characteristics of good connection tightness and convenient use and installation.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an eccentric bidirectional sealing butterfly valve comprises a butterfly valve main body and a connecting sealing assembly arranged on the surface of the butterfly valve main body;
The connecting sealing assembly comprises a first clamping ring arranged on the surface of the butterfly valve body, a connecting pipe arranged on one side of the butterfly valve body and a second clamping ring sleeved on the surface of the connecting pipe, wherein the first clamping ring is inserted into the second clamping ring, and the inner wall of the first clamping ring is matched with the inner wall of the second clamping ring.
As the eccentric bidirectional sealing butterfly valve, preferably, one end of the connecting pipe close to the butterfly valve main body is provided with a flange plate, and the connecting pipe is connected with the butterfly valve main body through a tightening screw.
As the eccentric bidirectional sealing butterfly valve, preferably, the surface of the first clamping ring is symmetrically provided with the second fixing plate, the surface of the second clamping ring is symmetrically provided with the first fixing plate, a bolt is inserted into a through hole formed in the surface of the first fixing plate, and the bolt sequentially penetrates through the first fixing plate and the second fixing plate and is in threaded connection with a nut arranged on one side of the second fixing plate.
As the eccentric bidirectional sealing butterfly valve, preferably, the inner wall of the first clamping ring is provided with the second sealing ring, and the inner wall surface of the second clamping ring is provided with the first sealing ring.
In the eccentric bidirectional sealing butterfly valve according to the present utility model, preferably, the first snap ring abuts against a surface of the first seal ring provided in the second snap ring.
The eccentric bidirectional sealing butterfly valve is preferably further provided with a limiting assembly arranged on the surface of the connecting pipe, the limiting assembly comprises stabilizing blocks symmetrically arranged in through holes formed in the surface of the second clamping ring and limiting grooves formed in the surface of the connecting pipe and matched with the stabilizing blocks, and the second clamping ring slides on the surface of the connecting pipe through the stabilizing blocks and the limiting grooves.
Compared with the prior art, the utility model has the beneficial effects that:
Through set up connection seal assembly in the junction of butterfly valve main part, earlier through passing through the connecting pipe on flange and screw rod is fixed the connecting pipe with the butterfly valve main part during the use installation, through setting up the first snap ring on butterfly valve main part surface and cooperation connecting pipe on the second snap ring, through in the second snap ring with first snap ring block, this design simple structure uses simple to operate, and sealed effectual, further improve the sealed effect between butterfly valve main part and the connecting pipe, and cooperation spacing subassembly, through installing the stabilizer at second snap ring internal face, make the second snap ring pass through the spacing inslot that the stabilizer slides and offer at the connecting pipe surface, can carry out spacingly to second snap ring shift position, and can improve the stability effect, stability is strong.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a connecting seal assembly according to the present utility model;
FIG. 3 is a schematic view of the overall structure of the present utility model;
FIG. 4 is a diagram showing the use of the first snap ring and the second snap ring according to the present utility model;
In the figure: 1. a butterfly valve body;
2. Connecting a sealing assembly; 21. a first snap ring; 22. a connecting pipe; 23. a second snap ring; 24. a first fixing plate; 25. a bolt; 26. a second fixing plate; 27. a nut; 28. a first seal ring; 29. a second seal ring;
3. A limit component; 31. a stabilizing block; 32. and a limit 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.
Example 1
As shown in fig. 1-4;
An eccentric bidirectional sealing butterfly valve comprises a butterfly valve body 1.
In this embodiment: through investigation publication (bulletin) number: CN211117682U discloses a triple eccentric bidirectional hard seal butterfly valve, this technology discloses "a triple eccentric bidirectional hard seal butterfly valve, including the valve body, the valve body inner chamber is provided with the valve plate, the valve plate includes the solid fixed ring, gu fixed ring right side is through fixed bolt fixedly connected with baffle, and be provided with the sealing washer between gu fixed ring and the baffle, gu fixed connection seat in the valve plate left side symmetry is provided with, gu fixed connection in the connecting seat has the valve rod, the valve body top is fixedly provided with the disk seat, the valve rod top runs through the disk seat, go up the disk seat inner chamber and seted up the seal chamber, it is provided with the pressure plate to go up the disk seat top, connect through fastening bolt between pressure plate and the disk seat, pressure plate bottom fixed technical content such as being provided with the swager pole, and it is difficult to disclose this kind of triple eccentric bidirectional hard seal butterfly valve, have good fluid control characteristic and close sealing performance, the packing of valve rod is difficult to destroy, sealing reliable etc. technical effect", though this design has good fluid control characteristic and closes sealing performance, the packing of valve rod is difficult to destroy, the sealing is reliable, but this design is generally to carry out butt joint seal installation through flange piece, bolt cooperation seal in the majority when using in actual use, seal connection, seal assembly is difficult to handle the problem that the seal assembly is difficult to be difficult to replace in time, the problem that the seal assembly is difficult to be difficult to realize in time, the problem is difficult to be changed in real time, the problem is difficult to be more than serious, seal assembly is difficult to be changed, and serious and practical, the problem is difficult to be easily and serious and difficult to handle.
It should be noted that: butterfly valve body 1 and publication (bulletin) number: CN211117682U discloses a three-eccentric bidirectional hard sealing butterfly valve, the principle and method of use are the same.
In combination with the above, the butterfly valve further comprises a connecting seal assembly 2 arranged on the surface of the butterfly valve body 1, the connecting seal assembly 2 comprises a first clamping ring 21 arranged on the surface of the butterfly valve body 1, a connecting pipe 22 arranged on one side of the butterfly valve body 1 and a second clamping ring 23 sleeved on the surface of the connecting pipe 22, the first clamping ring 21 is inserted into the second clamping ring 23, and the first clamping ring 21 is matched with the inner wall of the second clamping ring 23.
In this embodiment: through setting up connection seal assembly 2 in the junction of butterfly valve main part 1, firstly through passing through flange and screw rod with connecting pipe 22 when using the installation with butterfly valve main part 1 on connecting pipe 22, through setting up the first snap ring 21 on butterfly valve main part 1 surface and cooperation second snap ring 23 on the connecting pipe 22, through in with first snap ring 21 block to second snap ring 23, this design simple structure uses simple to operate, and sealed effectual, further improves the sealed effect between butterfly valve main part 1 and the connecting pipe 22.
In an alternative embodiment, the end of the connecting pipe 22 near the butterfly valve body 1 is provided with a flange plate, and the connecting pipe 22 is connected with the butterfly valve body 1 through a tightening screw.
In this embodiment: the connecting pipe 22 is connected with the butterfly valve main body 1 through the flange plate, so that the sealing effect is good and the stability is strong.
In an alternative embodiment, the surface of the first clamping ring 21 is symmetrically provided with the second fixing plate 26, the surface of the second clamping ring 23 is symmetrically provided with the first fixing plate 24, a bolt 25 is inserted into a through hole formed in the surface of the first fixing plate 24, and the bolt 25 sequentially penetrates through the first fixing plate 24 and the second fixing plate 26 and is in threaded connection with a nut 27 arranged on one side of the second fixing plate 26.
In this embodiment: through installation second fixed plate 26 and first fixed plate 24 to cooperation bolt 25 and nut 27, through turning bolt 25 when using then make first snap ring 21 to the second snap ring 23 remove, when sealed effectual between butterfly valve main part 1 and connecting pipe 22, it is inseparabler to drive first snap ring 21 and second snap ring 23 to be connected through turning bolt 25, further improves the leakproofness.
In an alternative embodiment, the inner wall of the first snap ring 21 is provided with a second sealing ring 29, and the inner wall surface of the second snap ring 23 is provided with a first sealing ring 28.
In this embodiment: the bolt 25 is rotated by arranging the second sealing ring 29 and the first sealing ring 28 to drive the first clamping ring 21 and the second clamping ring 23 to mutually extrude, so that the sealing effect is good.
In an alternative embodiment, the first snap ring 21 abuts a surface of a first seal ring 28 disposed within the second snap ring 23.
In this embodiment: by abutting the first snap ring 21 against the surface of the first seal ring 28 at the time of use, the sealing effect can be further improved.
Still further, the method comprises:
In combination with the above, the device further comprises a limiting component 3 arranged on the surface of the connecting pipe 22, wherein the limiting component 3 comprises a stabilizing block 31 symmetrically arranged in a through hole formed in the surface of the second clamping ring 23 and a limiting groove 32 formed in the surface of the connecting pipe 22 and matched with the stabilizing block 31, and the second clamping ring 23 slides on the surface of the connecting pipe 22 through the stabilizing block 31 and the limiting groove 32.
In this embodiment: and cooperate spacing subassembly 3, through at second snap ring 23 internal face installation steady block 31, make second snap ring 23 slide in spacing groove 32 that connecting pipe 22 surface was seted up through steady block 31, can carry out spacingly to second snap ring 23 shift position, and can improve and use stable effect, stability is strong.
The working principle and the using flow of the utility model are as follows: during the use through setting up connection seal assembly 2 in the junction of butterfly valve main part 1, firstly through passing through flange and screw rod with connecting pipe 22 and fixing butterfly valve main part 1 to connecting pipe 22 during the use installation, through setting up first snap ring 21 on butterfly valve main part 1 surface and cooperation second snap ring 23 on connecting pipe 22, through in second snap ring 23 with first snap ring 21 block, this design simple structure, use simple to operate, and seal effect is good, further improve the seal effect between butterfly valve main part 1 and the connecting pipe 22, be connected with connecting pipe 22 and butterfly valve main part 1 through setting up the flange piece and seal effectually, stability is strong, through installing second fixed plate 26 and first fixed plate 24, and cooperation bolt 25 and nut 27, during the use make first snap ring 21 to remove in second snap ring 23 through rotation bolt 25, when seal effect is not good between butterfly valve main part 1 and connecting pipe 22, it is more inseparabler to drive first snap ring 21 and second snap ring 23 through rotation bolt 25, further improve the leakproofness, drive first snap ring 29 and second snap ring 23 through setting up second snap ring 28 rotation bolt 25, can be connected seal effect with butterfly valve main part 1 through setting up the second snap ring 23 and second snap ring 31 at the side 31 at the spacing effect that can be stable, can be set up at the side at the steady position of second snap ring 31 at the steady side 31 during the use, can move the side at the spacing effect 31, can be more stable, and can set up at the position at the steady side 31.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides an eccentric two-way seal butterfly valve, includes butterfly valve main part (1), its characterized in that: the butterfly valve further comprises a connecting and sealing assembly (2) arranged on the surface of the butterfly valve main body (1);
The connecting sealing assembly (2) comprises a first clamping ring (21) arranged on the surface of the butterfly valve body (1), a connecting pipe (22) arranged on one side of the butterfly valve body (1) and a second clamping ring (23) sleeved on the surface of the connecting pipe (22), wherein the first clamping ring (21) is inserted into the second clamping ring (23), and the first clamping ring (21) is matched with the inner wall of the second clamping ring (23).
2. The eccentric bi-directional sealing butterfly valve of claim 1, wherein: one end of the connecting pipe (22) close to the butterfly valve main body (1) is provided with a flange plate, and the connecting pipe (22) is connected with the butterfly valve main body (1) through a tightening screw.
3. The eccentric bi-directional sealing butterfly valve of claim 1, wherein: second fixed plate (26) are installed to the surface symmetry of first snap ring (21), first fixed plate (24) are installed to the surface symmetry of second snap ring (23), peg graft in the through-hole of seting up on the surface of first fixed plate (24) has bolt (25), bolt (25) run through in proper order first fixed plate (24) and second fixed plate (26), and with set up nut (27) looks spiro union in second fixed plate (26) one side.
4. The eccentric bi-directional sealing butterfly valve of claim 1, wherein: a second sealing ring (29) is arranged on the inner wall of the first clamping ring (21), and a first sealing ring (28) is arranged on the inner wall surface of the second clamping ring (23).
5. The eccentric bi-directional sealing butterfly valve of claim 4, wherein: the first clamping ring (21) is abutted against the surface of the first sealing ring (28) arranged in the second clamping ring (23).
6. The eccentric bi-directional sealing butterfly valve of claim 1, wherein: still including setting up spacing subassembly (3) on connecting pipe (22) surface, spacing subassembly (3) are in including the symmetry set up stabilizing block (31) in the through-hole is seted up on second snap ring (23) surface and set up connecting pipe (22) surface with spacing groove (32) of stabilizing block (31) looks adaptation, second snap ring (23) are passed through stabilizing block (31) with spacing groove (32) are in the surface of connecting pipe (22).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221221827U true CN221221827U (en) | 2024-06-25 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |