CN207316093U - A kind of new three eccentricity double seals butterfly valve - Google Patents
A kind of new three eccentricity double seals butterfly valve Download PDFInfo
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- CN207316093U CN207316093U CN201721182250.7U CN201721182250U CN207316093U CN 207316093 U CN207316093 U CN 207316093U CN 201721182250 U CN201721182250 U CN 201721182250U CN 207316093 U CN207316093 U CN 207316093U
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- valve
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- hanging ring
- valve seat
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Abstract
It the utility model is related to a kind of new three eccentricity double seals butterfly valve.Including butterfly plate, valve rod, valve body and outer hanging ring, valve rod is fixedly connected with the butterfly plate being built in valve body, the butterfly plate pressing plate for being secured to connection is equipped with front side of butterfly plate, sealing ring is equipped between butterfly plate pressing plate and butterfly plate, valve interior surface is equipped with annular convex platform, the valve seat for being fastened on annular convex platform front end face is equipped with valve body, interior hanging ring is equipped between outer hanging ring and valve seat, outer hanging ring is fixedly connected with interior hanging ring by screw, valve seat front end face is equipped with step, PTFE rings are installed on step, pressing plate is equipped between PTFE rings and interior hanging ring, PTFE rings inside diameter surface and the sealing of the external diameter surface of valve seat bore surface and sealing ring cooperatively form sealing pair.The utility model is simple in structure, under bad working environments environment, can realize dual-seal, the service life of butterfly valve is extended, when butterfly valve is closed, butterfly plate outer surface half is in contact with PTFE rings, the other half is in contact with valve seat for butterfly plate outer surface, it is achieved thereby that double sealing effect.
Description
Technical field
It the utility model is related to a kind of butterfly valve, more particularly to a kind of new three eccentricity double seals butterfly valve.
Background technology
Butterfly valve is called flap valve, is a kind of regulating valve simple in structure, what the switch available for low pressure pipeline medium controlled
Butterfly valve refers to closure member（Flap or butterfly plate）For disk, a kind of valve of open and close is reached around valve shaft rotation.Valve can
For controlling all kinds such as empty gas and water, steam, various Korrosionsmediums, mud, oil product, liquid metal and radiating medium
The flowing of fluid.It is main on pipeline to play cut-out and throttling action.Butterfly valve opening and closing element is a discoidal butterfly plate, in valve body
Rotated around the axis of its own, so as to achieve the purpose that keying or adjusting.At present, in the design of known butterfly valve, its sealing pair
Structure is soft sealing structure nothing more than two kinds of structures, one kind, is commonly found in centre-pivoted butterfly valve, single eccentric-butterfly-valve, double eccentric butterfly valve.It is main
If being contacted by metal with rubber circle, sealing pair is formed；Another kind is hard sealing structure, is commonly found in all-metal three eccentricity
Butterfly valve, is mainly contacted by metal to metal, forms sealing pair.But above two is under some bad working environments, sealing effect
Difference, service life are short.
Utility model content
In view of the foregoing drawbacks, can be real under bad working environments the purpose of this utility model is to provide a kind of simple in structure
Existing dual-seal, sealing effect is good, a kind of new three eccentricity double seals butterfly valve of service life length.
Technical solution is used by the utility model for this：
Including butterfly plate, valve rod, valve body and outer hanging ring, the valve rod is fixedly connected with the butterfly plate being built in valve body, butterfly plate
Front side is equipped with the butterfly plate pressing plate for being secured to connection, sealing ring is equipped between butterfly plate pressing plate and butterfly plate, valve interior surface is equipped with ring
Shape boss, the valve body is interior to be equipped with the valve seat for being fastened on annular convex platform front end face, and the valve interior wall is equipped with front side of valve seat
Annular groove, the outer hanging ring is fastened in annular groove, is equipped with interior hanging ring between outer hanging ring and valve seat, the outer hanging ring with
Interior hanging ring is fixedly connected by screw, and the valve seat front end face is equipped with step, and PTFE rings, the PTFE are provided with the step
Pressing plate is equipped between ring and interior hanging ring, interior hanging ring is equipped with some lock-screws, and lock-screw lower end passes through interior hanging ring and pressing plate
Contact, PTFE rings inside diameter surface and the sealing of the external diameter surface of valve seat bore surface and sealing ring cooperatively form sealing pair.
Further as above-mentioned technical proposal is improved, and is equipped between the rear end face of the sealing ring and the front end face of butterfly plate
Sealing ring gasket.
Further as above-mentioned technical proposal is improved, and is set between the rear end face of the valve seat and the front end face of annular convex platform
There is valve seat gasket.
Further as above-mentioned technical proposal is improved, and O-shaped sealing is equipped between the rear end face and PTFE rings of the pressing plate
Circle.
Further as above-mentioned technical proposal is improved, and the cross sectional shape of the PTFE rings is horizontal positioned T-type structure,
The transverse bar of T-type structure is in outside diameter, and the vertical bars of T-type structure are in internal diameter.
The utility model has the advantages that：
The utility model is simple in structure, under bad working environments environment, can realize dual-seal, extend the use of butterfly valve
In the service life, when butterfly valve is closed, butterfly plate outer surface half is in contact with PTFE rings, the other half is in contact with valve seat for butterfly plate outer surface,
It is achieved thereby that double sealing effect.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the partial enlarged view of A in Fig. 1.
1 it is butterfly plate in figure, 2 be valve rod, 3 be valve body, 4 be outer hanging ring, 5 be butterfly plate pressing plate, 6 be sealing ring, 7 is convex annular
Platform, 8 be valve seat, 9 be interior hanging ring, 10 be screw, 11 be PTFE rings, 12 be pressing plate, 13 be lock-screw, 14 be sealing ring pad
Piece, 15 be valve seat gasket, 16 be O-ring seal.
Embodiment
A kind of new three eccentricity double seals butterfly valve, including butterfly plate 1, valve rod 2, valve body 3 and outer hanging ring 4, the valve rod 2 with it is interior
The butterfly plate 1 being placed in valve body 3 is fixedly connected, and the front side of butterfly plate 1 is equipped with the butterfly plate pressing plate 5 for being secured to connection, butterfly plate pressing plate 5 and butterfly
Sealing ring 6 is equipped between plate 1,3 inner surface of valve body is equipped with annular convex platform 7, is equipped with the valve body 3 before being fastened on annular convex platform 7
The valve seat 8 of end face, 3 inner wall of valve body are equipped with the annular groove positioned at the front side of valve seat 8, and it is recessed that the outer hanging ring 4 is fastened on annular
In groove, interior hanging ring 9 is equipped between outer hanging ring 4 and valve seat 8, the outer hanging ring 4 is fixedly connected with interior hanging ring 9 by screw 10, institute
State 8 front end face of valve seat and be equipped with step, PTFE rings 11 are installed on the step, are equipped between the PTFE rings 11 and interior hanging ring 9
Pressing plate 12, interior hanging ring 9 are equipped with some lock-screws 13, and 13 lower end of lock-screw is contacted through interior hanging ring 9 with pressing plate 12, PTFE
11 inside diameter surface of ring and 8 inside diameter surface of valve seat and the external diameter surface sealing of sealing ring 6 cooperatively form sealing pair.
Further as above-mentioned technical proposal is improved, and is set between the rear end face of the sealing ring 6 and the front end face of butterfly plate 1
There is sealing ring gasket 14.
Further as above-mentioned technical proposal is improved, between the rear end face of the valve seat 8 and the front end face of annular convex platform 7
Equipped with valve seat gasket 15.
Further as above-mentioned technical proposal is improved, and is equipped between the rear end face and PTFE rings 11 of the pressing plate 12 O-shaped
Sealing ring 16.
Further as above-mentioned technical proposal is improved, and the cross sectional shape of the PTFE rings 11 is horizontal positioned T junction
Structure, the transverse bar of T-type structure is in outside diameter, and the vertical bars of T-type structure are in internal diameter.
It is emphasized that：The above description is only the embodiments of the present invention, not thereby limits the utility model
The scope of the claims, every equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, or directly
Connect or be used in other related technical areas indirectly, be equally included in the patent within the scope of the utility model.
Claims (5)
1. a kind of new three eccentricity double seals butterfly valve, it is characterised in that including butterfly plate, valve rod, valve body and outer hanging ring, the valve rod
It is fixedly connected with the butterfly plate being built in valve body, the butterfly plate pressing plate for being secured to connection, butterfly plate pressing plate and butterfly is equipped with front side of butterfly plate
Sealing ring is equipped between plate, valve interior surface is equipped with annular convex platform, is equipped with the valve body and is fastened on annular convex platform front end face
Valve seat, the valve interior wall are equipped with the annular groove on front side of valve seat, and the outer hanging ring is fastened in annular groove, outer hanging ring
Interior hanging ring is equipped between valve seat, the outer hanging ring is fixedly connected with interior hanging ring by screw, and the valve seat front end face is equipped with platform
Rank, is provided with PTFE rings on the step, pressing plate is equipped between the PTFE rings and interior hanging ring, interior hanging ring is equipped with some lockings
Screw, lock-screw lower end are contacted through interior hanging ring with pressing plate, PTFE rings inside diameter surface and valve seat bore surface and sealing ring
External diameter surface sealing cooperatively forms sealing pair.
A kind of 2. new three eccentricity double seals butterfly valve according to claim 1, it is characterised in that the rear end of the sealing ring
Sealing ring gasket is equipped between face and the front end face of butterfly plate.
A kind of 3. new three eccentricity double seals butterfly valve according to claim 1, it is characterised in that the rear end face of the valve seat
Valve seat gasket is equipped between the front end face of annular convex platform.
A kind of 4. new three eccentricity double seals butterfly valve according to claim 1, it is characterised in that the rear end face of the pressing plate
O-ring seal is equipped between PTFE rings.
A kind of 5. new three eccentricity double seals butterfly valve according to claim 1, it is characterised in that the section of the PTFE rings
Shape is horizontal positioned T-type structure, and the transverse bar of T-type structure is in outside diameter, and the vertical bars of T-type structure are in internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721182250.7U CN207316093U (en) | 2017-09-15 | 2017-09-15 | A kind of new three eccentricity double seals butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721182250.7U CN207316093U (en) | 2017-09-15 | 2017-09-15 | A kind of new three eccentricity double seals butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207316093U true CN207316093U (en) | 2018-05-04 |
Family
ID=62382645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721182250.7U Active CN207316093U (en) | 2017-09-15 | 2017-09-15 | A kind of new three eccentricity double seals butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207316093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264087A (en) * | 2022-09-28 | 2022-11-01 | 江苏大田阀门制造有限公司 | Three-eccentric butterfly valve capable of being sealed in two directions |
-
2017
- 2017-09-15 CN CN201721182250.7U patent/CN207316093U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264087A (en) * | 2022-09-28 | 2022-11-01 | 江苏大田阀门制造有限公司 | Three-eccentric butterfly valve capable of being sealed in two directions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210407 Address after: 211400 Pangu industrial concentration area, Liu Ji Town, Yizheng City, Yangzhou, Jiangsu Patentee after: Liu Tong Address before: No. 126, Pangu industrial concentration area, Liuji Town, Yizheng City, Yangzhou City, Jiangsu Province, 211407 Patentee before: LOTOKE INDUSTRY GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210720 Address after: 510000 217, second floor, unit 2, building 2, No. 24, Jishan new road street, Tianhe District, Guangzhou, Guangdong Province (only for office) (not for plant) Patentee after: Xibosi (China) electric drive Co.,Ltd. Address before: 211400 Pangu industrial concentration area, Liu Ji Town, Yizheng City, Yangzhou, Jiangsu Patentee before: Liu Tong |
|
| TR01 | Transfer of patent right |