CN209262357U - A kind of efficient sealed butterfly valve - Google Patents
A kind of efficient sealed butterfly valve Download PDFInfo
- Publication number
- CN209262357U CN209262357U CN201821708644.6U CN201821708644U CN209262357U CN 209262357 U CN209262357 U CN 209262357U CN 201821708644 U CN201821708644 U CN 201821708644U CN 209262357 U CN209262357 U CN 209262357U
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- China
- Prior art keywords
- valve
- affixed
- gas
- plate
- barrel
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- Expired - Fee Related
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Abstract
The utility model relates to a kind of efficient sealed butterfly valves, belong to valve technology field.The efficient sealed butterfly valve, including valve body, valve plate, valve rod and handle, valve body include symmetrical affixed left valve barrel and right valve barrel, are formed with valve chamber among valve inner, valve rod protrudes into downwards valve body vertically and valve plate upper end is affixed；Air inflation sealing device is provided in valve body, air inflation sealing device includes elastic balloon, bolt, pressing plate and gas-flow closure circle, cavity is formed with inside left valve barrel, elastic balloon is arranged in cavity, and gas-flow closure circle is arranged in valve chamber at valve plate, and bolt is threadedly coupled with left valve barrel, bolt is affixed with pressing plate, the lower end of pressing plate and elastic balloon are affixed, and the lower end of elastic balloon and the bottom of cavity are affixed, and elastic balloon is connected to by pipeline with the charge and discharge port of gas-flow closure circle.The efficient sealed butterfly valve of the utility model passes through the dual-seal of gas-flow closure circle and rubber seal, and relative to traditional butterfly valve, sealing performance is greatly promoted.
Description
Technical field
The utility model relates to a kind of efficient sealed butterfly valves, belong to valve technology field.
Background technique
Butterfly valve is a kind of simple regulating valve of structure, and the butterfly valve that can be used for the switch control of low pressure pipeline medium refers to closing
Part (flap or butterfly plate) is disk, reaches a kind of valve of open and close around valve shaft rotation, valve can be used for controlling air,
The flowing of the various types fluids such as water, steam, various corrosive medias, mud, oil product, liquid metal and radiating medium.?
Cutting and throttling action are mainly played on pipeline.Butterfly valve opening and closing element is a discoidal butterfly plate, around the axis of its own in valve body
Line rotation, to achieve the purpose that opening and closing or adjusting.
Butterfly valve in the prior art includes dish plate, valve body, locating ring and valve seat, and valve seat is common sealing ring, and valve seat is set
It sets between dish plate and valve body, the unreasonable structure of valve seat in the prior art, sealing ring elasticity is poor, close when butterfly valve works
It is undesirable to seal effect.
Utility model content
The technical problems to be solved in the utility model is, in view of the shortcomings of the prior art, proposing a kind of height of good seal performance
Imitate sealed butterfly valve.
The technical solution that the utility model proposes to solve above-mentioned technical problem is: a kind of efficient sealed butterfly valve, including valve
Body, valve plate, the valve rod being fixedly connected with valve plate and the handle for rotating with ovable valve stem is connect with valve rod one end, valve body includes pair
Claim affixed left valve barrel and right valve barrel, valve chamber is formed among valve inner, valve plate can be along the setting of itself vertical axis rotation
In valve chamber, valve rod protrudes into downwards valve body vertically and valve plate upper end is affixed；Air inflation sealing device, gas-flow closure are provided in valve body
Device includes elastic balloon, bolt, pressing plate and gas-flow closure circle, and left valve barrel inner upper is formed with cavity, and elastic balloon setting exists
In cavity, gas-flow closure circle is arranged in valve chamber at the valve plate, when valve plate gas-flow closure circle and valve plate in the closure state
Edge abut, bolt is threadedly coupled with left valve barrel, and bolt protrudes into left valve barrel and the upper end of pressing plate is affixed, the lower end of pressing plate and bullet
Property air bag it is affixed, the lower end of elastic balloon and the bottom of cavity are affixed, and elastic balloon passes through the charge and discharge of pipeline and gas-flow closure circle
Port connection.
The improvement of above-mentioned technical proposal is: valve plate edge is provided with the rubber seal to match with gas-flow closure circle.
The improvement of above-mentioned technical proposal is: further including flange, flange and valve body top are affixed, bolt-through flange and left valve
Body is threadedly coupled.
The improvement of above-mentioned technical proposal is: being provided with axle envelope between valve rod and valve body top.
The improvement of above-mentioned technical proposal is: flange upper center is also connected with fixed block.
The improvement of above-mentioned technical proposal is: link block is provided between handle and valve rod, handle one end and link block are affixed,
Link block is connect with valve rod threaded upper ends.
The improvement of above-mentioned technical proposal is: rubber gasket is provided between left valve barrel and right valve barrel.
The beneficial effect of the utility model by adopting the above technical scheme is:
The efficient sealed butterfly valve of the utility model when in use, when wanting opened butterfly valve, open, and bolt is screwed to upper end by valve plate
Position, pressing plate, which rises, drives elastic balloon that gas in gas-flow closure circle is sucked out, and butterfly valve is opened；When butterfly valve to be closed, valve plate
Closure, bolt are screwed to lower end position, and pressing plate, which pushes, is pressed into gas in elastic balloon in gas-flow closure circle, gas-flow closure circle and valve
The rubber seal of edges of boards edge abuts, and formation is efficient sealed, effectively prevent revealing.Pass through gas-flow closure circle and rubber seal
Dual-seal, relative to traditional butterfly valve, sealing performance is greatly promoted.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of the efficient sealed butterfly valve of the utility model embodiment；
Wherein: 1- flange, 2- cavity, 3- bolt, 4- link block, 5- handle, 6- pressing plate, 7- elastic balloon, 8- inflation are close
Seal, 9- left valve barrel, 10- fixed block, 11- axle envelope, 12- right valve barrel, 13- valve rod, 14- rubber seal, 15- valve plate, 16- rubber
Glue gasket.
Specific embodiment
Embodiment
The efficient sealed butterfly valve of the present embodiment, as shown in Figure 1, including valve body, valve plate 15, the valve being fixedly connected with valve plate 15
Bar 13 and the handle 5 for rotating with ovable valve stem 13 is connect with 13 one end of valve rod, valve body includes symmetrical affixed left valve barrel 9 and the right side
Valve body 12, is formed with valve chamber among valve inner, valve plate 15 can along itself vertical axis rotation setting in valve chamber, valve rod 13
Valve body is protruded into vertically downwards and 15 upper end of valve plate is affixed；Air inflation sealing device is provided in valve body, air inflation sealing device includes bullet
Property air bag 7, bolt 3, pressing plate 6 and gas-flow closure circle 8,9 inner upper of left valve barrel is formed with cavity 2, and elastic balloon 7 is arranged in cavity
In 2, gas-flow closure circle 8 is arranged in valve chamber at the valve plate 15, when valve plate 15 gas-flow closure circle 8 and valve in the closure state
The edge of plate 15 abuts, and bolt 3 is threadedly coupled with left valve barrel 9, and bolt 3 protrudes into left valve barrel 9 and the upper end of pressing plate 6 is affixed, pressing plate 6
Lower end and elastic balloon 7 it is affixed, the lower end of elastic balloon 7 and the bottom of cavity 2 are affixed, and elastic balloon 7 is by pipeline and filling
The charge and discharge port of airtight seal 8 is connected to.
The efficient sealed butterfly valve of the present embodiment further includes flange 1, and flange 1 and valve body top are affixed, and bolt 3 runs through flange 1
It is threadedly coupled with left valve barrel 9.15 edge of valve plate is provided with the rubber seal 14 to match with gas-flow closure circle 8.Valve rod 13 and valve
Axle envelope 11 is provided between body top.1 upper center of flange is also connected with fixed block 10.It is provided between handle 5 and valve rod 13
Link block 4,5 one end of handle and link block 4 are affixed, and link block 4 is connect with 13 threaded upper ends of valve rod.Left valve barrel 9 and right valve barrel 12
Between be provided with rubber gasket 16.Left valve barrel 9 and 12 upper end of right valve barrel are affixed by flange 1, under left valve barrel 9 and right valve barrel 12
End can be affixed by bolt, can also weld.
The efficient sealed butterfly valve of the present embodiment when in use, when wanting opened butterfly valve, open, and bolt 3 is screwed to by valve plate 15
End position, pressing plate 6, which rises, drives elastic balloon 7 that gas in gas-flow closure circle 8 is sucked out, and butterfly valve is opened；When butterfly valve to be closed,
Valve plate 15 is closed, and bolt 3 is screwed to lower end position, and pressing plate 6, which pushes, in gas indentation gas-flow closure circle 8, to be inflated in elastic balloon 7
Sealing ring 8 is abutted with the rubber seal 14 at 15 edge of valve plate, and formation is efficient sealed, effectively prevent revealing.Gas-flow closure circle 8 is adopted
Purchase market existing product.
The utility model is not limited to the above embodiment.All technical solutions formed using equivalent replacement, all fall within this reality
With the protection scope of novel requirement.
Claims (7)
1. a kind of efficient sealed butterfly valve, it is used for including valve body, valve plate, the valve rod being fixedly connected with valve plate and being connect with valve rod one end
Handle with ovable valve stem rotation, it is characterised in that: the valve body includes symmetrical affixed left valve barrel and right valve barrel, in the valve body
Valve chamber is formed among portion, the valve plate can be along the setting that itself vertical axis rotates in the valve chamber, and the valve rod is downward
The valve body is protruded into vertically and the valve plate upper end is affixed；Air inflation sealing device, the gas-flow closure are provided in the valve body
Device includes elastic balloon, bolt, pressing plate and gas-flow closure circle, and the left valve barrel inner upper is formed with cavity, the elasticity gas
Capsule is arranged in the cavity, and the gas-flow closure circle is arranged in the valve chamber at the valve plate, closes when valve plate is in
Gas-flow closure circle is abutted with the edge of the valve plate when conjunction state, and the bolt is threadedly coupled with the left valve barrel, the bolt
The upper end for protruding into the left valve barrel and the pressing plate is affixed, and the lower end of the pressing plate and the elastic balloon are affixed, the elasticity
The lower end of air bag and the bottom of the cavity are affixed, and the elastic balloon passes through the charge and discharge port of pipeline and the gas-flow closure circle
Connection.
2. efficient sealed butterfly valve according to claim 1, it is characterised in that: the valve plate edge is provided with and the inflation
The rubber seal that sealing ring matches.
3. efficient sealed butterfly valve according to claim 2, it is characterised in that: it further include flange, the flange and the valve
Body top is affixed, and flange described in the bolt-through is threadedly coupled with the left valve barrel.
4. efficient sealed butterfly valve according to claim 3, it is characterised in that: set between the valve rod and the valve body top
It is equipped with axle envelope.
5. efficient sealed butterfly valve according to claim 4, it is characterised in that: the flange upper center is also connected with fixation
Block.
6. efficient sealed butterfly valve according to claim 5, it is characterised in that: be provided with connection between the handle and valve rod
Block, described handle one end and the link block are affixed, and the link block is connect with the valve rod threaded upper ends.
7. efficient sealed butterfly valve according to claim 6, it is characterised in that: be provided between the left valve barrel and right valve barrel
Rubber gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708644.6U CN209262357U (en) | 2018-10-19 | 2018-10-19 | A kind of efficient sealed butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708644.6U CN209262357U (en) | 2018-10-19 | 2018-10-19 | A kind of efficient sealed butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209262357U true CN209262357U (en) | 2019-08-16 |
Family
ID=67558767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821708644.6U Expired - Fee Related CN209262357U (en) | 2018-10-19 | 2018-10-19 | A kind of efficient sealed butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209262357U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594424A (en) * | 2019-09-12 | 2019-12-20 | 贝斯格流体科技有限公司 | Novel butterfly valve sealing structure and novel butterfly valve |
| CN113028097A (en) * | 2021-02-25 | 2021-06-25 | 安徽同建建设集团有限公司 | House building drainage system pipeline |
| CN114263751A (en) * | 2021-12-11 | 2022-04-01 | 李岸隆 | Scour prevention butterfly valve |
-
2018
- 2018-10-19 CN CN201821708644.6U patent/CN209262357U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594424A (en) * | 2019-09-12 | 2019-12-20 | 贝斯格流体科技有限公司 | Novel butterfly valve sealing structure and novel butterfly valve |
| CN113028097A (en) * | 2021-02-25 | 2021-06-25 | 安徽同建建设集团有限公司 | House building drainage system pipeline |
| CN114263751A (en) * | 2021-12-11 | 2022-04-01 | 李岸隆 | Scour prevention butterfly valve |
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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 |
Granted publication date: 20190816 Termination date: 20211019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |