CN211779029U - Double-eccentric butterfly valve with high leakage prevention performance - Google Patents
Double-eccentric butterfly valve with high leakage prevention performance Download PDFInfo
- Publication number
- CN211779029U CN211779029U CN201922455729.9U CN201922455729U CN211779029U CN 211779029 U CN211779029 U CN 211779029U CN 201922455729 U CN201922455729 U CN 201922455729U CN 211779029 U CN211779029 U CN 211779029U
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- valve
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- sealing ring
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- shaping
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- Expired - Fee Related
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- 230000002265 prevention Effects 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000007493 shaping process Methods 0.000 claims abstract description 9
- 230000006978 adaptation Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a prevent double-eccentric butterfly valve that leak nature is high, which comprises a valve body, the valve block, the valve rod that passes the valve body and normal running fit with it is installed at the top of valve body, the valve block includes the sheet leaf of dislocation shaping in the sheathed tube both sides around sleeve pipe and a pair of, the sleeve pipe suit on the valve rod and with valve rod fixed connection, fixed mounting has the sealing washer on the inner wall of valve body, the shaping at sheathed tube both ends has annular groove, the shaping has positioning groove on the lateral wall of sheet leaf, annular groove, the positioning groove intercommunication forms the caulking groove, install the sealing ring of adaptation with it in the caulking groove, the valve block passes through the inseparable cooperation realization of sealing ring and sealing washer. The utility model discloses novel structure adopts the blade of dislocation set, and the cooperation is sealed with the sealing ring of annular groove, positioning groove adaptation and has been enlarged the shutoff area, plays better sealed effect in handing-over department of valve rod and valve block, improves the whole leakage performance of preventing of butterfly valve.
Description
Technical Field
The utility model relates to a butterfly valve technical field specifically is a prevent double eccentric butterfly valve that leak proofness is high.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. 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 pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.
The existing butterfly valve generally adopts an integral sealing ring for sealing, however, a gap is easily formed at the joint of a valve rod and a valve plate, so that the sealing effect is not ideal, and the leakage-proof performance is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
The utility model provides a prevent double-eccentric butterfly valve that leak nature is high, which comprises a valve body, the valve block, the valve rod that passes the valve body and normal running fit with it is installed at the top of valve body, the valve block includes the sheet leaf of dislocation shaping in the sheathed tube both sides around sleeve pipe and a pair of, the sleeve pipe suit on the valve rod and with valve rod fixed connection, fixed mounting has the sealing washer on the inner wall of valve body, sheathed tube both ends shaping has annular groove, the shaping has positioning groove on the lateral wall of sheet leaf, annular groove, the positioning groove intercommunication forms the caulking groove, install the sealing ring of adaptation with it in the caulking groove, the valve block passes through the inseparable cooperation realization of sealing ring.
Furthermore, a convex block is formed on the outer wall of the sleeve, and a round hole capable of being fixedly connected with the valve rod through a screw is formed in the convex block.
Furthermore, the bottom of the valve body is provided with a supporting seat, and the valve rod penetrates through the bottom of the valve body and is rotatably connected with the supporting seat.
Furthermore, fixed lugs are formed on two sides of the outer wall of the valve body, and circular through holes are formed in the fixed lugs.
Furthermore, a sealing convex ring is formed on the inner wall of the sealing ring, and the sealing ring is tightly matched with the sealing convex ring.
Compared with the prior art, the utility model discloses the beneficial effect who gains does: the utility model discloses novel structure adopts the blade of dislocation set, and the cooperation is sealed with the sealing ring of annular groove, positioning groove adaptation and has been enlarged the shutoff area, plays better sealed effect in handing-over department of valve rod and valve block, improves the whole leakage performance of preventing of butterfly valve.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is another schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the middle valve plate of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a double eccentric butterfly valve with high leakage resistance includes a valve body 1 and a valve plate 2, a valve rod 3 passing through and rotationally fitting with the valve body 1 is installed on the top of the valve body 1, the valve plate 2 includes a sleeve 21 and a pair of blades 22 formed on two sides of the sleeve 21 in a staggered manner, the sleeve 21 is sleeved on the valve rod 3 and fixedly connected with the valve rod 3, a seal ring 4 is fixedly installed on the inner wall of the valve body 1, annular grooves 211 are formed on two ends of the sleeve 21, positioning grooves 221 are formed on side walls of the blades 22, the annular grooves 211 and the positioning grooves 221 are communicated to form an embedded groove, a seal ring 5 adapted to the embedded groove is installed in the embedded groove, and the valve plate 2 is sealed by the close fit of the seal ring 5 and the.
Furthermore, a projection 212 is formed on the outer wall of the sleeve 21, and the projection 212 has a circular hole for allowing a screw to pass through for fixedly connecting with the valve rod 3.
Further, the bottom of the valve body 1 is provided with a supporting seat 6, and the valve rod 3 penetrates through the bottom of the valve body 1 and is rotatably connected with the supporting seat 6.
Furthermore, fixed lug pieces 11 are formed on two sides of the outer wall of the valve body 1, and circular through holes are formed in the fixed lug pieces 11.
Further, a sealing convex ring 41 is formed on the inner wall of the sealing ring 4, and the sealing ring 5 is tightly matched with the sealing convex ring 41.
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.
Claims (5)
1. The utility model provides a prevent double-eccentric butterfly valve that leak nature is high, which comprises a valve body, the valve block, a serial communication port, the valve rod that passes the valve body and normal running fit with it is installed at the top of valve body, the valve block includes the sheet leaf of dislocation shaping in the sheathed tube both sides around sleeve pipe and a pair of, the sleeve pipe suit on the valve rod and with valve rod fixed connection, fixed mounting has the sealing washer on the inner wall of valve body, sheathed tube both ends shaping has annular groove, the shaping has positioning groove on the lateral wall of sheet leaf, annular groove, the positioning groove intercommunication forms the caulking groove, install the sealing ring of adaptation with it in the caulking groove, the valve block passes through the inseparable cooperation realization of sealing.
2. A double eccentric butterfly valve with high leakage resistance according to claim 1, wherein the outer wall of the sleeve is formed with a protrusion, and the protrusion has a circular hole for passing a screw to fixedly connect with the valve stem.
3. A double eccentric butterfly valve with high leakage resistance according to claim 1, wherein the valve body has a support base at the bottom thereof, and the valve stem passes through the bottom of the valve body and is rotatably connected to the support base.
4. A double eccentric butterfly valve with high leakage resistance according to claim 1, wherein fixing lugs are formed on both sides of the outer wall of the valve body, and the fixing lugs are provided with circular through holes.
5. A double eccentric butterfly valve with high leakage resistance according to claim 1, wherein a sealing ring is formed on the inner wall of the sealing ring, and the sealing ring is tightly fitted with the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455729.9U CN211779029U (en) | 2019-12-31 | 2019-12-31 | Double-eccentric butterfly valve with high leakage prevention performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455729.9U CN211779029U (en) | 2019-12-31 | 2019-12-31 | Double-eccentric butterfly valve with high leakage prevention performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211779029U true CN211779029U (en) | 2020-10-27 |
Family
ID=72977827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922455729.9U Expired - Fee Related CN211779029U (en) | 2019-12-31 | 2019-12-31 | Double-eccentric butterfly valve with high leakage prevention performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211779029U (en) |
-
2019
- 2019-12-31 CN CN201922455729.9U patent/CN211779029U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20211231 |