CN219975378U - Eccentric bidirectional sealing butterfly valve - Google Patents
Eccentric bidirectional sealing butterfly valve Download PDFInfo
- Publication number
- CN219975378U CN219975378U CN202321160685.7U CN202321160685U CN219975378U CN 219975378 U CN219975378 U CN 219975378U CN 202321160685 U CN202321160685 U CN 202321160685U CN 219975378 U CN219975378 U CN 219975378U
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- Prior art keywords
- wall
- butterfly valve
- butterfly
- valve
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 72
- 230000002457 bidirectional effect Effects 0.000 title abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 23
- 238000012856 packing Methods 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses an eccentric bidirectional sealing butterfly valve, which comprises: the butterfly valve comprises a butterfly valve shell, wherein a valve seat is fixedly arranged on the inner wall of the butterfly valve shell, a metal sealing ring is fixedly arranged on the inner wall of the valve seat, a packing ring is fixedly arranged on the inner wall of the valve seat, a butterfly plate is arranged on the outer wall of a valve rod in a penetrating mode, a mounting groove is formed in the outer wall of the butterfly plate, and a sealing assembly is fixedly arranged on the inner wall of the mounting groove. According to the butterfly plate and the butterfly valve, the sealing assembly, the metal sealing ring and the packing ring are arranged on the inner wall of the valve seat, the packing ring is arranged on the inner wall of the valve seat, the metal sealing ring and the packing ring are alternately arranged to form a multi-layer sealing structure, the sealing effect between the butterfly plate and the valve seat is effectively improved, the sealing assembly has certain elastic performance, the contact sealing surface is more attached when the outer wall of the butterfly plate is contacted with the metal sealing ring and the packing ring, and the sealing performance between the outer wall of the butterfly plate and the butterfly valve body is improved.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to an eccentric bidirectional sealing butterfly valve.
Background
The butterfly valve is a rotary valve which uses a disc type closing member to rotate 90 degrees or about 90 degrees to open and close the valve, and the eccentric butterfly valve is divided into a single eccentric butterfly valve, a double eccentric butterfly valve, a triple eccentric butterfly valve and a variable eccentric butterfly valve. The butterfly valve with the sealing pair being inclined cone is called an eccentric butterfly valve, wherein the eccentric butterfly valve with the disc capable of rotating bidirectionally is called an eccentric bidirectional sealing butterfly valve. But the existing eccentric bidirectional sealing butterfly valve has poor sealing performance between the butterfly sheet and the inner wall of the butterfly valve shell, so that the overall sealing performance of the butterfly valve is reduced.
Patent document CN215410244U discloses a triple eccentric bidirectional hard sealing butterfly valve, the claim "of protection comprises: the driving medium holds case, goes up communicating pipe, valve body, valve rod, butterfly plate, and fixedly connected with goes up communicating pipe on the driving medium holds the case, goes up communicating pipe and driving medium and holds case intercommunication, goes up communicating pipe and valve body intercommunication, is provided with the butterfly plate in the valve body, valve rod and butterfly plate fixed connection, and the valve body includes: the left valve body, right valve body, left valve body edge is provided with first installation limit, and right valve body edge is provided with the second installation limit, and first installation limit and second installation limit symmetry are provided with the through-hole, are provided with the bolt in the through-hole, and bolt and nut cooperation are in order to compress tightly fixed left valve body and right valve body. However, the butterfly plate of the three-eccentric bidirectional hard sealing butterfly valve disclosed in the patent document is directly attached to the inside of the valve body, so that the sealing performance between the butterfly plate and the valve body is reduced.
Disclosure of Invention
The utility model aims to provide an eccentric bidirectional sealing butterfly valve, which solves the technical problems that the sealing performance between a butterfly sheet and a butterfly valve is poor and the sealing performance of the whole butterfly valve is reduced in the prior eccentric bidirectional sealing butterfly valve in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an eccentric bi-directional sealing butterfly valve comprising:
the butterfly valve comprises a butterfly valve shell, wherein a valve seat is fixedly arranged on the inner wall of the butterfly valve shell;
the inner wall of the valve seat is fixedly provided with a metal sealing ring;
the packing ring, the inner wall fixed mounting of disk seat has the packing ring, and the outer wall of packing ring and the outer wall fixed connection of metal seal ring, and the butterfly plate runs through and installs in the valve rod outer wall, and the outer wall of butterfly plate and the laminating of metal seal ring's inner wall, the mounting groove has been seted up to the outer wall of butterfly plate, the inner wall fixed mounting of mounting groove has seal assembly.
Preferably, a valve rod is installed at the top of the butterfly valve shell in a penetrating mode.
Preferably, the outer wall of the butterfly valve shell is provided with a connecting hole in a penetrating way.
Preferably, the top of butterfly valve shell is fixed mounting has the mount pad.
Preferably, the pneumatic assembly is fixedly arranged at the top of the mounting seat.
Preferably, the outer wall of the butterfly valve shell is fixedly provided with a mounting rod.
Preferably, the outer wall fixed mounting of installation pole has the connecting rod, and the one end fixedly connected with solid fixed ring of installation pole is kept away from to the connecting rod, and gu fixed ring's outer wall runs through installs the threaded rod, and the one end fixed mounting of threaded rod has anti-skidding gasket.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the butterfly plate and the butterfly valve, the sealing assembly, the metal sealing ring and the packing ring are arranged, the metal sealing ring is arranged on the inner wall of the valve seat, the packing ring is arranged on the inner wall of the valve seat, the metal sealing ring and the packing ring are alternately arranged to form a multi-layer sealing structure, the sealing effect between the butterfly plate and the valve seat is effectively improved, the sealing assembly has certain elastic performance, the contact sealing surface is more attached when the outer wall of the butterfly plate is contacted with the metal sealing ring and the packing ring, and the sealing performance between the outer wall of the butterfly plate and the butterfly valve body is improved;
2. according to the utility model, the fixed ring, the mounting rod and the connecting rod are arranged, the butterfly valve shell is attached to one end of the pipeline, so that the pipeline penetrates through the inner wall of the fixed ring, the threaded rods on the two sides are rotated, the protection gasket is driven to move towards the direction close to the outer wall of the pipeline, the anti-slip gasket is attached to the outer wall of the pipeline, the outer wall of the pipeline is extruded to fix the pipeline, and therefore the fixed connection state of the eccentric bidirectional sealing butterfly valve and the pipeline is maintained, the sealing butterfly valve is supported, and the sealing butterfly valve and the pipeline are conveniently connected by workers.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the front structure of the present utility model;
FIG. 3 is a schematic diagram of the structure of FIG. 2A according to the present utility model;
FIG. 4 is a schematic view of a portion of a retaining ring according to the present utility model;
fig. 5 is a schematic view of a mounting bar portion of the present utility model.
In the figure: 1. a butterfly valve housing; 101. a valve stem; 2. a seal assembly; 201. a valve seat; 202. a metal seal ring; 203. a packing ring; 204. a butterfly plate; 205. a mounting groove; 3. a connection hole; 4. a mounting base; 5. a pneumatic assembly; 6. a fixing ring; 601. a mounting rod; 602. a connecting rod; 603. a threaded rod; 604. an anti-slip gasket.
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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, 2 and 4, an eccentric bi-directional sealing butterfly valve, comprising: butterfly valve shell 1, butterfly valve shell 1 is the three-section cylinder tubular structure constitution, the tubular structure external diameter of interlude is less than the cylinder tubular external diameter at both ends, and the cylinder tubular external diameter at both ends is the same about, the outer wall of butterfly valve shell 1 runs through and installs connecting hole 3, the group number of seting up of connecting hole 3 is the multiunit, and run through respectively and set up in the left and right sides both ends outer wall of butterfly valve shell 1, the top fixed mounting of butterfly valve shell 1 has mount pad 4, the top fixed mounting of mount pad 4 has pneumatic subassembly 5, mount pad 4 provides the support for pneumatic subassembly 5, the valve rod 101 is run through to the top of butterfly valve shell 1, and the top of valve rod 101 runs through the top of mount pad 4, and the top and the pneumatic subassembly 5 bottom of valve rod 101 are connected, pneumatic subassembly 5 is used for driving valve rod 101 and rotates.
Referring to fig. 2 and 3, the inner wall of the butterfly valve housing 1 is fixedly provided with a valve seat 201, the valve seat 201 is in a circular ring shape, the outer wall of the valve seat 201 is fixedly connected with the inner wall of the butterfly valve housing 1, the inner wall of the valve seat 201 is fixedly provided with a metal sealing ring 202, the inner wall of the valve seat 201 is fixedly provided with a packing ring 203, the outer wall of the packing ring 203 is fixedly connected with the outer wall of the metal sealing ring 202, a butterfly plate 204 is penetratingly installed on the outer wall of the valve rod 101, the front surface of the butterfly plate 204 is circular, the outer wall of the butterfly plate 204 is attached to the inner wall of the metal sealing ring 202, the outer wall of the butterfly plate 204 is attached to the inner wall of the packing ring 203, the metal sealing ring 202 and the packing ring 203 are alternately arranged at intervals to form a multi-layer sealing structure, the sealing effect between the butterfly plate 204 and the valve seat 201 is effectively improved, the outer wall of the butterfly plate 204 is provided with a mounting groove 205, the inner wall of the mounting groove 205 is fixedly provided with a sealing assembly 2, the outer wall of the sealing assembly 2 is fixedly connected with the inner walls of the left side and the right side of the mounting groove 205, and the sealing assembly 2 can be made of rubber ring materials.
Referring to fig. 4 and 5, the outer wall of the butterfly valve housing 1 is fixedly provided with two mounting rods 601, the mounting groups of the mounting rods 601 are distributed symmetrically about the mounting seat 4, the outer wall of the mounting rods 601 is fixedly provided with connecting rods 602, the mounting groups of the connecting rods 602 are two groups, the mounting direction of the connecting rods 602 is consistent with the axial direction of the butterfly valve housing 1, one end of each connecting rod 602, which is far away from the mounting rods 601, is fixedly connected with a fixing ring 6, the inner diameter of each fixing ring 6 is larger than the outer diameter of the butterfly valve housing 1, threaded rods 603 are installed on the outer wall of each fixing ring 6 in a penetrating manner, the mounting groups of the threaded rods 603 are two groups and are symmetrically distributed along with the threaded rods 603, one end of each threaded rod 603 is fixedly provided with an anti-skid gasket 604, the anti-skid gasket 604 is located on the inner side of each fixing ring 6, the butterfly valve housing 1 is attached to one end of a pipeline, the pipeline penetrates through the inner wall of the fixing rings 6, the two sides 603 are rotated to drive the anti-skid gaskets 604 to move towards the direction close to the outer wall of the pipeline, the pipeline is extruded, the pipeline outer wall is fixed, and the eccentric bidirectional sealing and the pipeline is kept in a fixed connection state with the pipeline, the butterfly valve is supported by the sealing worker, and the butterfly valve is convenient to seal and the pipeline is connected with the butterfly valve.
The working principle is that the valve rod 101 is driven to rotate through the starting component, the valve rod 101 drives the butterfly plate 204 to rotate, the inner wall of the butterfly valve shell 1 is opened and sealed, the opening and closing of the butterfly valve are controlled, the metal sealing ring 202 is fixedly arranged on the inner wall of the valve seat 201, the packing ring 203 is fixedly arranged on the inner wall of the valve seat 201, the metal sealing ring 202 and the packing ring 203 are alternately arranged at intervals to form a multi-layer sealing structure, the sealing effect between the butterfly plate 204 and the valve seat 201 is effectively improved, the sealing component 2 can be made of rubber rings, the sealing component 2 has certain elastic performance, and when the outer wall of the butterfly plate 204 is contacted with the metal sealing ring 202 and the packing ring 203, the contact sealing surface is more attached, so that the sealing performance between the outer wall of the butterfly plate 204 and the butterfly valve body is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (7)
1. An eccentric bi-directional sealing butterfly valve, comprising:
the butterfly valve comprises a butterfly valve shell (1), wherein a valve seat (201) is fixedly arranged on the inner wall of the butterfly valve shell (1);
a metal sealing ring (202), wherein the metal sealing ring (202) is fixedly arranged on the inner wall of the valve seat (201);
the packing ring (203), the inner wall fixed mounting of disk seat (201) has packing ring (203), and the outer wall of packing ring (203) and the outer wall fixed connection of metal seal ring (202), and butterfly plate (204) run through and install in valve rod (101) outer wall, and the outer wall of butterfly plate (204) is laminated with the inner wall of metal seal ring (202), mounting groove (205) have been seted up to the outer wall of butterfly plate (204), the inner wall fixed mounting of mounting groove (205) has seal assembly (2).
2. The eccentric bi-directional sealing butterfly valve of claim 1, wherein: a valve rod (101) is arranged at the top of the butterfly valve shell (1) in a penetrating mode.
3. The eccentric bi-directional sealing butterfly valve of claim 1, wherein: the outer wall of the butterfly valve shell (1) is provided with a connecting hole (3) in a penetrating way.
4. The eccentric bi-directional sealing butterfly valve of claim 1, wherein: the top of the butterfly valve shell (1) is fixedly provided with a mounting seat (4).
5. The eccentric bi-directional sealing butterfly valve of claim 4, wherein: the top of the mounting seat (4) is fixedly provided with a pneumatic assembly (5).
6. The eccentric bi-directional sealing butterfly valve of claim 1, wherein: the outer wall of the butterfly valve shell (1) is fixedly provided with a mounting rod (601).
7. The eccentric bi-directional sealing butterfly valve of claim 6, wherein: the outer wall fixed mounting of installation pole (601) has connecting rod (602), and one end fixedly connected with solid fixed ring (6) of installation pole (601) is kept away from to connecting rod (602), and threaded rod (603) is installed in the outer wall penetration of solid fixed ring (6), and one end fixed mounting of threaded rod (603) has anti-skidding gasket (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321160685.7U CN219975378U (en) | 2023-05-15 | 2023-05-15 | Eccentric bidirectional sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321160685.7U CN219975378U (en) | 2023-05-15 | 2023-05-15 | Eccentric bidirectional sealing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975378U true CN219975378U (en) | 2023-11-07 |
Family
ID=88597311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321160685.7U Active CN219975378U (en) | 2023-05-15 | 2023-05-15 | Eccentric bidirectional sealing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975378U (en) |
-
2023
- 2023-05-15 CN CN202321160685.7U patent/CN219975378U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |