CN209654620U - A kind of high-pressure-resistant sealed butterfly valve - Google Patents
A kind of high-pressure-resistant sealed butterfly valve Download PDFInfo
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- CN209654620U CN209654620U CN201821717277.6U CN201821717277U CN209654620U CN 209654620 U CN209654620 U CN 209654620U CN 201821717277 U CN201821717277 U CN 201821717277U CN 209654620 U CN209654620 U CN 209654620U
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- valve
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- resistant sealed
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Abstract
The utility model relates to a kind of high-pressure-resistant sealed butterfly valves, belong to valve technology field.A kind of high-pressure-resistant sealed butterfly valve, including valve body, valve plate, valve rod and handle, further include inflator pump, valve body includes symmetrical affixed left valve barrel and right valve barrel, valve chamber is formed among valve inner, valve plate is arranged in valve chamber, and it is affixed with valve plate that valve rod protrudes into downwards valve body vertically；Gas-flow closure circle is provided in valve chamber；Inflator pump is connected to the air inlet of gas-flow closure circle, and left valve barrel is provided with exhaust outlet, and the gas outlet of gas-flow closure circle is connected to exhaust outlet；Handle includes first-hand shank and second-hand's shank, and first-hand shank is threadedly coupled with second-hand's shank.The high-pressure-resistant sealed butterfly valve of the utility model when in use, when wanting opened butterfly valve, open, and exhaust valve is opened, and the gas in gas-flow closure circle is discharged from exhaust outlet, and butterfly valve is opened by valve plate；When butterfly valve to be closed, valve plate closure opens inflator pump and solenoid valve, is inflated to gas-flow closure circle, reaches excellent sealing effect.
Description
Technical field
The utility model relates to a kind of high-pressure-resistant 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.In
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 that a kind of sealing performance is high, to be suitable for
High-pressure-resistant sealed butterfly valve for pipeline internal pressure higher position.
The technical solution that the utility model proposes to solve above-mentioned technical problem is: a kind of high-pressure-resistant sealed butterfly valve, including
Valve body, valve plate, the valve rod being fixedly connected with valve plate and it is connect the handle for rotating with ovable valve stem with valve rod one end, further includes filling
Air pump, valve body include symmetrical affixed left valve barrel and right valve barrel, are formed with valve chamber among valve inner, valve plate is spindle rotationally arranged in
In valve chamber, valve rod protrudes into downwards valve body vertically and valve plate is affixed for drive valve plate rotation；It is provided at valve plate in valve chamber
Gas-flow closure circle, when gas-flow closure circle is abutted with the edge of valve plate valve plate in the closure state；Inflator pump is arranged in left valve barrel
On, inflator pump is connected to by pipeline with the air inlet of gas-flow closure circle, and left valve barrel bottom side of the wall is provided with exhaust outlet, gas-flow closure
The gas outlet of circle is connected to by pipeline with exhaust outlet；
Handle includes first-hand shank and second-hand's shank, and the outer surface of first-hand shank is formed with external screw thread, second handle
Bar offers the blind hole protruded into suitable for first-hand shank along own axes, and the internal screw thread to match with external screw thread is formed in blind hole,
First-hand shank is threadedly coupled with second-hand's shank.
The improvement of above-mentioned technical proposal is: further including clamping device, clamping device is arranged under left valve barrel and right valve barrel
End margin is for fixing left valve barrel and right valve barrel；Clamping device includes two fixed blocks, screw bolt and nut, one end system of fixed block
Have and be suitable for the through-hole that passes through of bolt, the other end of fixed block is formed with grip block, and two fixed blocks are symmetrical arranged, two fixed blocks
Grip block is abutted with the lower end outside face of left valve barrel and right valve barrel respectively, and bolt sequentially passes through the through-hole and nut of two fixed blocks
It is threadedly coupled.
The improvement of above-mentioned technical proposal is: being provided with rubber seal between clamping device and the bottom of left valve barrel and right valve barrel
Pad.
The improvement of above-mentioned technical proposal is: valve plate edge is provided with the metal o-ring to match with gas-flow closure circle.
The improvement of above-mentioned technical proposal is: further including gland, gland and valve body top are affixed.
The improvement of above-mentioned technical proposal is: axle envelope is provided between valve rod and valve body top, valve body is arranged at valve chamber
There is airtight and watertight padding.
The improvement of above-mentioned technical proposal is: being provided with pressure on the pipeline between inflator pump and the air inlet of gas-flow closure circle
Table and solenoid valve.
The improvement of above-mentioned technical proposal is: exhaust is provided on the pipeline between exhaust outlet and the gas outlet of gas-flow closure circle
Valve.
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: the outer surface of second-hand's shank is formed with anti-skidding convex stupefied.
The beneficial effect of the utility model by adopting the above technical scheme is:
(1) the high-pressure-resistant sealed butterfly valve of the utility model when in use, when wanting opened butterfly valve, open, exhaust valve by valve plate
It opens, the gas in gas-flow closure circle is discharged from exhaust outlet, and butterfly valve is opened；When butterfly valve to be closed, valve plate closure opens inflation
Pump and solenoid valve, are inflated gas-flow closure circle, and gas-flow closure circle is abutted with the metal o-ring of valve plate, reach excellent close
Effect is sealed, pipeline internal pressure higher position is suitable for use in；
(2) handle of the high-pressure-resistant sealed butterfly valve of the utility model includes first-hand shank and second-hand's shank, by twisting
Dynamic second-hand's shank can regulation handle length as needed, and the outer surface of second-hand's shank is formed with anti-skidding convex stupefied conveniently make
With；
(3) it is arranged between the clamping device and left valve barrel and the bottom of right valve barrel of the high-pressure-resistant sealed butterfly valve of the utility model
There is rubber gasket that can effectively prevent revealing；
(4) it is provided with axle envelope between the valve rod and valve body top of the high-pressure-resistant sealed butterfly valve of the utility model, valve body is close
Airtight and watertight padding is provided at valve chamber, it is significantly more efficient to prevent from leaking by the double leak-proof of axle envelope and airtight and watertight padding.
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 utility model embodiment high-pressure-resistant sealed butterfly valve；
Fig. 2 is the structural schematic diagram of the handle of the utility model embodiment high-pressure-resistant sealed butterfly valve；
Wherein: 1- gland, 2- axle envelope, 3- link block, 4- handle, 5- left valve barrel, 6- solenoid valve, 7- pressure gauge, 8- inflation
Pump, 9- metal o-ring, 10- valve plate, 11- gas-flow closure circle, 12- exhaust outlet, 13- exhaust valve, 14- rubber gasket, 15-
Right valve barrel, 16- airtight and watertight padding, 17- fixed block, 18- grip block, 19- bolt, 20- nut, 21- valve rod, 22- first handle
Bar, 23- second-hand's shank, 24- are anti-skidding convex stupefied.
Specific embodiment
Embodiment
The high-pressure-resistant sealed butterfly valve of the present embodiment, as illustrated in fig. 1 and 2, including valve body, valve plate 10 and the fixed company of valve plate 10
The valve rod 21 that connects and it is connect the handle 4 for rotating with ovable valve stem 21 with 21 one end of valve rod, further includes inflator pump 8, valve body includes
Symmetrical affixed left valve barrel 5 and right valve barrel 15 are formed with valve chamber among valve inner, and valve plate 10 is spindle rotationally arranged in valve chamber,
Valve rod 21 protrudes into downwards valve body vertically and valve plate 10 is affixed for the rotation of drive valve plate 10；It is arranged at valve plate 10 in valve chamber
There is gas-flow closure circle 11, when gas-flow closure circle 11 is abutted with the edge of valve plate 10 valve plate 10 in the closure state；Inflator pump 8 is set
It sets on left valve barrel 5, inflator pump 8 is connected to by pipeline with the air inlet of gas-flow closure circle 11, and 5 bottom side of the wall of left valve barrel is provided with
The gas outlet of exhaust outlet 12, gas-flow closure circle 11 is connected to by pipeline with exhaust outlet 12；
Handle 4 includes first-hand shank 22 and second-hand's shank 23, and the outer surface of first-hand shank 22 is formed with external screw thread, the
Two handlebars 23 offer the blind hole protruded into suitable for first-hand shank 22 along own axes, are formed in blind hole and match with external screw thread
Internal screw thread, first-hand shank 22 is threadedly coupled with second-hand's shank 23.
The high-pressure-resistant sealed butterfly valve of the present embodiment, further includes clamping device, and clamping device is arranged in left valve barrel 5 and right valve barrel
15 lower edge is for fixing left valve barrel 5 and right valve barrel 15；Clamping device includes two fixed blocks 17, bolt 19 and nut
20, one end of fixed block 17 is formed with the through-hole passed through suitable for bolt 19, and the other end of fixed block 17 is formed with grip block 18, and two solid
To determine block 17 to be symmetrical arranged, the grip block 18 of two fixed blocks 17 is abutted with the lower end outside face of left valve barrel 5 and right valve barrel 15 respectively,
The through-hole that bolt 19 sequentially passes through two fixed blocks 17 is threadedly coupled with nut 20.Clamping device and left valve barrel 5 and right valve barrel 15
Bottom between be provided with rubber gasket 14.
It is close that 10 edge of valve plate of the high-pressure-resistant sealed butterfly valve of the present embodiment is provided with the metal to match with gas-flow closure circle 11
Seal 9.The high-pressure-resistant sealed butterfly valve of the present embodiment further includes gland 1, and gland 1 and valve body top are affixed.On valve rod 10 and valve body
Axle envelope 2 is provided between portion, valve body is provided with airtight and watertight padding 16 at valve chamber.The air inlet of inflator pump 8 and gas-flow closure circle 11
Pressure gauge 7 and solenoid valve 6 are provided on pipeline between mouthful.Pipeline between exhaust outlet 12 and the gas outlet of gas-flow closure circle 11
On be provided with exhaust valve 13.Link block 3 is provided between handle 4 and valve rod 21,4 one end of handle and link block 3 are affixed, link block
3 connect with 21 threaded upper ends of valve rod.The outer surface of second-hand's shank 23 is formed with anti-skidding convex stupefied 24.
The high-pressure-resistant sealed butterfly valve of the present embodiment when in use, when wanting opened butterfly valve, open, and exhaust valve 13 is beaten by valve plate 10
It opens, the gas in gas-flow closure circle 11 is discharged from exhaust outlet 12, and butterfly valve is opened；When butterfly valve to be closed, valve plate 10 is closed, and is opened
Inflator pump 8 and solenoid valve 6, are inflated gas-flow closure circle 11, and gas-flow closure circle 11 and the metal o-ring 9 of valve plate 10 support
It connects, reaches sealing effect.
Inflator pump 8 matches limited valve, and the blowing pressure is generally gradually incremented by by 0.1MPa when first used, reaches sealing
Until effect, and it is no more than 0.6MPa.Gas-flow closure circle 11 purchases the existing gas-flow closure circle in market.
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 (10)
1. a kind of high-pressure-resistant sealed butterfly valve, including valve body, valve plate, the valve rod being fixedly connected with valve plate and with valve rod one end it connect use
In the handle rotated with ovable valve stem, it is characterised in that: further include inflator pump, the valve body includes symmetrical affixed left valve barrel and the right side
Valve body is formed with valve chamber among the valve inner, and the valve plate is spindle rotationally arranged in the valve chamber, and the valve rod erects downwards
It directly protrudes into the valve body and the valve plate is affixed for driving the valve plate to rotate；It is arranged at the valve plate in the valve chamber
There is gas-flow closure circle, when gas-flow closure circle is abutted with the edge of the valve plate valve plate in the closure state；The inflator pump is set
It sets on the left valve barrel, the inflator pump is connected to by pipeline with the air inlet of the gas-flow closure circle, under the left valve barrel
End side wall is provided with exhaust outlet, and the gas outlet of the gas-flow closure circle is connected to by pipeline with the exhaust outlet；
The handle includes first-hand shank and second-hand's shank, and the outer surface of the first-hand shank is formed with external screw thread, described
Second-hand's shank offers the blind hole protruded into suitable for the first-hand shank along own axes, be formed in the blind hole with it is described outer
The internal screw thread that screw thread matches, the first-hand shank are threadedly coupled with second-hand's shank.
2. high-pressure-resistant sealed butterfly valve according to claim 1, it is characterised in that: it further include clamping device, the clamping dress
It installs in the lower edge of left valve barrel and right valve barrel for fixing the left valve barrel and right valve barrel；The clamping device includes two
A fixed block, screw bolt and nut, one end of the fixed block are formed with the through-hole passed through suitable for the bolt, the fixed block it is another
One end is formed with grip block, and described two fixed blocks are symmetrical arranged, the grip block of described two fixed blocks respectively with the left valve barrel
It is abutted with the lower end outside face of right valve barrel, the through-hole that the bolt sequentially passes through two fixed blocks is connect with nut thread.
3. high-pressure-resistant sealed butterfly valve according to claim 2, it is characterised in that: the clamping device and the left valve barrel and
Rubber gasket is provided between the bottom of right valve barrel.
4. high-pressure-resistant sealed butterfly valve according to claim 3, it is characterised in that: the valve plate edge is provided with to be filled with described
The metal o-ring that airtight seal matches.
5. high-pressure-resistant sealed butterfly valve according to claim 4, it is characterised in that: further include gland, the gland with it is described
Valve body top is affixed.
6. high-pressure-resistant sealed butterfly valve according to claim 5, it is characterised in that: between the valve rod and the valve body top
It is provided with axle envelope, the valve body is provided with airtight and watertight padding at valve chamber.
7. high-pressure-resistant sealed butterfly valve according to claim 6, it is characterised in that: the inflator pump and the gas-flow closure circle
Air inlet between pipeline on be provided with pressure gauge and solenoid valve.
8. high-pressure-resistant sealed butterfly valve according to claim 7, it is characterised in that: the exhaust outlet and the gas-flow closure circle
Gas outlet between pipeline on be provided with exhaust valve.
9. high-pressure-resistant sealed butterfly valve according to claim 8, it is characterised in that: the company of being provided between the handle and valve rod
Block is connect, described handle one end and the link block are affixed, and the link block is connect with the valve rod threaded upper ends.
10. high-pressure-resistant sealed butterfly valve according to claim 9, it is characterised in that: the appearance wheat flour of second-hand's shank
Have anti-skidding convex stupefied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821717277.6U CN209654620U (en) | 2018-10-22 | 2018-10-22 | A kind of high-pressure-resistant sealed butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821717277.6U CN209654620U (en) | 2018-10-22 | 2018-10-22 | A kind of high-pressure-resistant sealed butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654620U true CN209654620U (en) | 2019-11-19 |
Family
ID=68505915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821717277.6U Expired - Fee Related CN209654620U (en) | 2018-10-22 | 2018-10-22 | A kind of high-pressure-resistant sealed butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209654620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263751A (en) * | 2021-12-11 | 2022-04-01 | 李岸隆 | Scour prevention butterfly valve |
-
2018
- 2018-10-22 CN CN201821717277.6U patent/CN209654620U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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: 20191119 Termination date: 20211022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |