CN202561068U - Self-return double valve plate type soft seal butterfly valve - Google Patents
Self-return double valve plate type soft seal butterfly valve Download PDFInfo
- Publication number
- CN202561068U CN202561068U CN2012201804529U CN201220180452U CN202561068U CN 202561068 U CN202561068 U CN 202561068U CN 2012201804529 U CN2012201804529 U CN 2012201804529U CN 201220180452 U CN201220180452 U CN 201220180452U CN 202561068 U CN202561068 U CN 202561068U
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- CN
- China
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- valve plate
- valve
- half shaft
- semiaxis
- torsion spring
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- Expired - Fee Related
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Abstract
The utility model discloses a self-return double valve plate type soft seal butterfly valve, comprising a tubular valve body, wherein an upper half shaft and a lower half shaft are rotatably arranged above and below the valve body, the two ends of the valve body are respectively an inlet end and an outlet end, the two sides of the lower end of the upper half shaft are respectively fixedly provided with a left valve plate and a right valve plate, the upper end of the lower half shaft is connected with the left valve plate or the right valve plate, a pressing sleeve is fixed inside the inlet end, a seal ring body pushes against the front end of the pressing sleeve, the seal ring body is attached to the edges of the left valve plate and the right valve plate, the upper half shaft and the lower half shaft are respectively sheathed with a torsion spring, one end of the torsion spring is fixed on the upper half shaft and the lower half shaft, and the other end of the torsion spring is fixed in the valve body. The self-return double valve plate type soft seal butterfly valve disclosed by the utility model has a reasonable structural design, is easy to dismount and maintain, can be mounted at any position and has a simple and compact structure and small operating torque, 90-degree rotary opening is rapid, and the valve plate can automatically return to an initial position under the action of the torsion spring, flow characteristic tends to become a straight line, and regulation performance is good.
Description
Technical field
The utility model relates to the butterfly valve field, specifically belongs to the board-like soft sealing butterfly valve of self-return bivalve.
Background technique
At present, the board-like soft sealing butterfly valve of self-return bivalve obtains using very widely in many fields such as oil, chemical industry, metallurgy, water power as a kind of parts that are used for realizing pipe-line system break-make and flow control.In known butterfly valve technology, its seal form adopts sealing configuration more, and sealing material is rubber, teflon etc.Because the restriction of structure characteristic, incompatibility is high temperature resistant, high pressure and corrosion-resistant, industry such as resistance to wear.
The model utility content
The purpose of the utility model provides the board-like soft sealing butterfly valve of a kind of self-return bivalve, adopts double layer construction reasonable in design, easily dismounting and maintenance; And can install at an arbitrary position, simple in structure, compact, the operation moment of torsion is little; 90 degree revolutions are opened rapidly; Owing to the effect of torsion spring, valve plate can be got back to initial position automatically simultaneously, and adjusting function is good.
The technological scheme of the utility model is following:
The board-like soft sealing butterfly valve of self-return bivalve includes the valve body of tubulose, and the top of valve body, below are rotated and be provided with semiaxis, time semiaxis; Said two ends of valve body is respectively entrance point, outlet end, and the both sides, lower end of last semiaxis are installed with left valve plate, right valve plate respectively, and the lower end of the upper end of following semiaxis and left valve plate or right valve plate is rotated and is provided with; The entrance point internal fixation has gland; The front end overhead of gland has the sealing circle body, fits and be provided with in the edge of sealing circle body and left valve plate, right valve plate, is respectively installed with torsion spring on last semiaxis, the following semiaxis; One end of torsion spring is fixed on semiaxis, the following semiaxis, and the other end is fixed in the valve body.
Be provided with stuffing box gland between the valve seat on described upward semiaxis and valve body top, be provided with a plurality of seal rings in the stuffing box gland.
The utlity model has left valve plate, right valve plate, reasonable in design, dismounting and maintenance easily; And can install at an arbitrary position, simple in structure, compact, the operation moment of torsion is little; 90 spend revolution opens rapidly, and owing to the effect of torsion spring, valve plate can be got back to initial position automatically simultaneously; The Flow characteristics straight line that becomes, adjusting function is good.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Referring to accompanying drawing, the board-like soft sealing butterfly valve of self-return bivalve includes the valve body 1 of tubulose; The top of valve body 1, below are rotated and are provided with semiaxis 2, time semiaxis 3, and two ends of valve body is respectively entrance point 4, outlet end 5, and the both sides, lower end of last semiaxis are installed with left valve plate 6, right valve plate 10 respectively; The upper end of following semiaxis 3 and left valve plate or right valve plate, the entrance point internal fixation has gland 7, and the front end overhead of gland 7 has sealing circle body 8; Sealing circle body 8 is fitted with the edge of left valve plate 6 and is provided with, and last semiaxis 2, is respectively installed with torsion spring 11 on the semiaxis 3 down, and an end of torsion spring 11 is fixed on semiaxis, the following semiaxis; The other end is fixed in the valve body, is provided with stuffing box gland 9 between the valve seat on last semiaxis and valve body top, is provided with a plurality of seal rings in the stuffing box gland 9; Sealing circle body both sides are provided with projection, and inwall has the flange that stretches out.
Claims (2)
1. the board-like soft sealing butterfly valve of self-return bivalve includes the valve body of tubulose, and the top of valve body, below are rotated and be provided with semiaxis, time semiaxis; It is characterized in that: said two ends of valve body is respectively entrance point, outlet end, and the both sides, lower end of last semiaxis are installed with left valve plate, right valve plate respectively, and the lower end of the upper end of following semiaxis and left valve plate or right valve plate is rotated and is provided with; The entrance point internal fixation has gland; The front end overhead of gland has the sealing circle body, fits and be provided with in the edge of sealing circle body and left valve plate, right valve plate, is respectively installed with torsion spring on last semiaxis, the following semiaxis; One end of torsion spring is fixed on semiaxis, the following semiaxis, and the other end is fixed in the valve body.
2. the board-like soft sealing butterfly valve of self-return bivalve according to claim 1 is characterized in that: be provided with stuffing box gland between the valve seat on described upward semiaxis and valve body top, be provided with a plurality of seal rings in the stuffing box gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201804529U CN202561068U (en) | 2012-04-25 | 2012-04-25 | Self-return double valve plate type soft seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201804529U CN202561068U (en) | 2012-04-25 | 2012-04-25 | Self-return double valve plate type soft seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202561068U true CN202561068U (en) | 2012-11-28 |
Family
ID=47210727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201804529U Expired - Fee Related CN202561068U (en) | 2012-04-25 | 2012-04-25 | Self-return double valve plate type soft seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202561068U (en) |
-
2012
- 2012-04-25 CN CN2012201804529U patent/CN202561068U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20140425 |