CN209262272U - Gas special flange butterfly valve - Google Patents
Gas special flange butterfly valve Download PDFInfo
- Publication number
- CN209262272U CN209262272U CN201821950504.XU CN201821950504U CN209262272U CN 209262272 U CN209262272 U CN 209262272U CN 201821950504 U CN201821950504 U CN 201821950504U CN 209262272 U CN209262272 U CN 209262272U
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- CN
- China
- Prior art keywords
- valve body
- butterfly plate
- butterfly
- valve
- deflector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses gas special flange butterfly valves, including transmission case, valve body, handwheel and deflector, the surrounding annular of the valve body inner sidewall is uniformly provided with limiting slot, and the inside of valve body is equipped with butterfly plate, annular is equipped with sealing rubber ring on the lateral wall of the butterfly plate, and the two sides of butterfly plate are all equipped with deflector, and the inside of close butterfly plate one end of the deflector is equipped with water conservancy diversion through slot, and the interior of water conservancy diversion through slot is unevenly equipped with flow deflector, flow deflector is fixedly connected close to one end of butterfly plate with butterfly plate.The utility model is all equipped with deflector by the two sides of butterfly plate, the inside of close butterfly plate one end of the deflector is equipped with water conservancy diversion through slot, and the interior of water conservancy diversion through slot is unevenly equipped with flow deflector, flow deflector is fixedly connected close to one end of butterfly plate with butterfly plate, convenient for when butterfly valve is opened, there can be centainly flow conductivity to methane gas, prevent the flowing of gas moment from being generated vortex by the blocking of butterfly plate, to improve the practicability of butterfly valve.
Description
Technical field
The utility model relates to butterfly valve technical fields, specially gas special flange butterfly valve.
Background technique
Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, can be used for the switch control of low pressure pipeline medium
Butterfly valve refers to that closure member (flap or butterfly plate) is disk, a kind of valve of open and close is reached around valve shaft rotation, valve can
For controlling the various types such as empty gas and water, steam, various corrosive medias, mud, oil product, liquid metal and radiating medium
The flowing of fluid, gas are easy to light, very convenient to use, need to install butterfly valve on pipeline when being installed, in order to adjust
The purpose of section and truncation media flow.
Existing, gas special flange butterfly valve be easy to cause gas to leak after mounting in use, sealing performance is poor,
To be not easy to the use of people, while cannot limit the flow for using handwheel to regulate there are some potential safety problems
Position and fixation, it cannot be guaranteed that the stability of worm screw, is easy arbitrarily to fiddle with, so that influencing the sealing performance of entire valve body and reduction makes
It with the service life, also uses, when opening butterfly plate, the methane gas at butterfly plate is also easy to produce vortex by quiet to visibly moved, does not have and leads to gas
To function, so that gas is also generated impact force to valve pipe, cause open butterfly plate by very big resistance, to not be able to satisfy right
Use when gas is installed.
Utility model content
The purpose of this utility model is to provide gas special flange butterfly valves, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: gas special flange butterfly valve, including transmission
Case, valve body, handwheel and deflector, the surrounding annular of the valve body inner sidewall is uniformly provided with limiting slot, and the inside of valve body is equipped with
Butterfly plate, annular is equipped with sealing rubber ring on the lateral wall of the butterfly plate, and the two sides of butterfly plate are all equipped with deflector, described to lead
The inside of close butterfly plate one end of flowing plate is equipped with water conservancy diversion through slot, and the interior of water conservancy diversion through slot is unevenly equipped with flow deflector, and flow deflector leans on
One end of nearly butterfly plate is fixedly connected with butterfly plate, and the butterfly plate is equipped with air cavity, and the inside of air cavity close to the outside of sealing rubber ring
Equipped with polytetrafluoroethylene (PTFE) inflatable cushion, the surrounding annular of the polytetrafluoroethylene (PTFE) inflatable cushion lateral wall is uniformly provided with and limiting slot phase
The lug boss matched, and polytetrafluoroethylene (PTFE) inflatable cushion is equipped with gas tube at the position of body top, gas tube is far from poly- four
One end of vinyl fluoride inflatable cushion extends to the outside of valve body and is equipped with air inflation nozzle through valve body, the centre bit of the body top
The place of setting is welded with protection sleeve, and protects and be welded with transmission case at the top of sleeve, and the side of the transmission case is equipped with worm screw, and
One end of worm screw extends to the inside of transmission case through transmission case, and the other end of the worm screw is equipped with handwheel, and worm screw is close
One end of handwheel is uniformly provided with card slot, and the transmission case is all welded with fixed block close to the top and bottom of worm screw side, and solid
Determine block and be all equipped with threaded hole far from one end of transmission case, the fixed block is equipped with and threaded hole phase at the position of threaded hole
The threaded screw rod matched, and one end of threaded screw rod is welded with turntable, the other end of the threaded screw rod is extended to through threaded hole
The outside of fixed block is simultaneously welded with fixed plate, and fixed plate is uniformly provided with the card to match with card slot far from the side of threaded screw rod
Block.
Preferably, the both ends of the valve body are all equipped with flange, and the surrounding annular of flange is uniformly provided with fixation hole, valve body
Top close to protection sleeve outside uniform welding have reinforcing rib.
Preferably, the inside of the protection sleeve is equipped with valve rod, and one end of valve rod extends to the interior of valve body through valve body
Portion is simultaneously fixedly connected with butterfly plate, and the other end of valve rod extends to the inside of transmission case and is equipped with turbine, and turbine is mutually nibbled with worm screw
It closes.
Preferably, rubber sleeve is wrapped up on the outer wall of the handwheel, and rubber sleeve and handwheel cooperate and constitute protection knot
Structure.
Preferably, there are ceramic wearing coat, and ceramics on the lateral wall of the butterfly plate with inner sidewall all even applications of valve body
Wearing layer cooperates with butterfly plate and valve body constitute protection structure respectively.
Preferably, the side at the top of the turntable is equipped with crank, and crank and turntable cooperate and constitute drive mechanism.
Compared with prior art, the utility model has the beneficial effects that the gas special flange butterfly valve passes through on the inside of valve body
The surrounding annular of wall is uniformly provided with limiting slot and butterfly plate and is equipped with air cavity close to the outside of sealing rubber ring, and the inside of air cavity is equipped with
Polytetrafluoroethylene (PTFE) inflatable cushion, the surrounding annular of the polytetrafluoroethylene (PTFE) inflatable cushion lateral wall is uniformly provided with to match with limiting slot
Lug boss, and polytetrafluoroethylene (PTFE) inflatable cushion is equipped with gas tube at the position of body top, gas tube is far from polytetrafluoroethyl-ne
One end of alkene inflatable cushion extends to the outside of valve body and is equipped with being used in conjunction with each other between air inflation nozzle through valve body, is convenient for
The time of the pressure maintaining of tetrafluoroethene inflatable cushion is more permanent when butterfly valve is closed, and the leakage of gas is avoided, to make the leakproofness of butterfly valve
It is stronger, the security performance of butterfly valve is improved, handwheel is equipped with by the other end of worm screw, and worm screw uniformly sets close to one end of handwheel
There are card slot and transmission case to be all welded with fixed block, and the one end of fixed block far from transmission case close to the top and bottom of worm screw side
It is all equipped with threaded hole, the fixed block is equipped with the threaded screw rod to match with threaded hole, and screw thread at the position of threaded hole
One end of screw rod is welded with turntable, and the other end of the threaded screw rod extends to the outside of fixed block and be welded with through threaded hole
Fixed plate, and the mutual cooperation that fixed plate is uniformly provided between the fixture block to match with card slot far from the side of threaded screw rod makes
With, it convenient for fixing to the butterfly valve regulated, while can make worm screw that there is stability, avoid arbitrarily being fiddled with,
The damage of butterfly valve is caused to reduce its service life, the utility model is all equipped with deflector, the water conservancy diversion by the two sides of butterfly plate
The inside of close butterfly plate one end of plate is equipped with water conservancy diversion through slot, and the interior of water conservancy diversion through slot is unevenly equipped with flow deflector, and flow deflector is close
One end of butterfly plate is fixedly connected with butterfly plate, convenient for that can have centainly flow conductivity to methane gas, prevent when butterfly valve is opened
The flowing of gas moment by butterfly plate blocking and generate vortex, to improve the practicability of butterfly valve.
Detailed description of the invention
Fig. 1 is the surface structure schematic diagram of the utility model；
Fig. 2 is the side structure schematic view of the utility model；
Fig. 3 is the valve body closing structure schematic diagram of the utility model；
Fig. 4 is the valve body opening structure schematic diagram of the utility model；
Fig. 5 is partial enlargement structural representation at A in Fig. 1 of the utility model.
In figure: 1, transmission case；2, valve rod；3, reinforcing rib；4, gas tube；5, valve body；6, flange；7, sleeve is protected；8, hand
Wheel；9, worm screw；10, fixed block；11, sealing rubber ring；12, butterfly plate；13, fixation hole；14, deflector；15, polytetrafluoroethylene (PTFE) fills
Air cushion；16, air cavity；17, limiting slot；18, lug boss；19, water conservancy diversion through slot；20, flow deflector；21, turntable；22, fixture block；23, block
Slot；24, fixed plate；25, threaded screw rod；26, threaded hole；27, crank.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, a kind of embodiment provided by the utility model: gas special flange butterfly valve, including transmission case 1,
Valve body 5, handwheel 8 and deflector 14, the surrounding annular of 5 inner sidewall of valve body is uniformly provided with limiting slot 17, and the inside of valve body 5 is equipped with
Butterfly plate 12, on the lateral wall of butterfly plate 12 and inner sidewall all even applications of valve body 5 have ceramic wearing coat, and ceramic wearing coat is distinguished
It cooperates with butterfly plate 12 and valve body 5 and constitutes protection structure, the both ends of valve body 5 are all equipped with flange 6, and four chow rings of flange 6
Shape is uniformly provided with fixation hole 13, and there is a reinforcing rib 3 at the top of valve body 5 close to the outside uniform welding of protection sleeve 7, butterfly plate 12 it is outer
Annular is equipped with sealing rubber ring 11 on side wall, and the two sides of butterfly plate 12 are all equipped with deflector 14, the close butterfly of deflector 14
The inside of 12 one end of plate is equipped with water conservancy diversion through slot 19, and the interior of water conservancy diversion through slot 19 is unevenly equipped with flow deflector 20, and flow deflector 20 is close
One end of butterfly plate 12 is fixedly connected with butterfly plate 12, and butterfly plate 12 is equipped with air cavity 16, and air cavity 16 close to the outside of sealing rubber ring 11
Inside be equipped with polytetrafluoroethylene (PTFE) inflatable cushion 15, the surrounding annular of 15 lateral wall of polytetrafluoroethylene (PTFE) inflatable cushion is uniformly provided with and limits
The lug boss 18 that slot 17 matches, and polytetrafluoroethylene (PTFE) inflatable cushion 15 is equipped with gas tube 4 at the position at 5 top of valve body,
The one end of gas tube 4 far from polytetrafluoroethylene (PTFE) inflatable cushion 15 extends to the outside of valve body 5 through valve body 5 and is equipped with air inflation nozzle,
The center position at 5 top of valve body is welded with protection sleeve 7, and the top of sleeve 7 is protected to be welded with transmission case 1, transmission case 1
Side is equipped with worm screw 9, and one end of worm screw 9 extends to the inside of transmission case 1 through transmission case 1, and the inside of protection sleeve 7 is set
Have a valve rod 2, and one end of valve rod 2 extends to the inside of valve body 5 and be fixedly connected with butterfly plate 12 through valve body 5, valve rod 2 it is another
End extends to the inside of transmission case 1 and is equipped with turbine, and turbine is meshed with worm screw 9, and the other end of worm screw 9 is equipped with handwheel 8,
And worm screw 9 is uniformly provided with card slot 23 close to one end of handwheel 8, and rubber sleeve, and rubber sleeve and handwheel are wrapped up on the outer wall of handwheel 8
8, which cooperate, constitutes safeguard structure, and transmission case 1 is all welded with fixed block 10 close to the top and bottom of 9 side of worm screw, and fixed
The one end of block 10 far from transmission case 1 is all equipped with threaded hole 26, and fixed block 10 is equipped at the position of threaded hole 26 and threaded hole
26 threaded screw rods 25 to match, and one end of threaded screw rod 25 is welded with turntable 21, the side at 21 top of turntable, which is equipped with, shakes
27, and crank 27 and turntable 21 cooperate and constitute drive mechanism, and the other end of threaded screw rod 25 extends through threaded hole 26
To fixed block 10 outside and be welded with fixed plate 24, and fixed plate 24 is uniformly provided with far from the side of threaded screw rod 25 and card slot
23 fixture blocks 22 to match.
Working principle: in use, being first mounted on valve body 5 on the pipeline of gas by flange 6, valve body 5, which is in, is closed
State, when needing opening or adjusting gas flow size, can first pass through valve cock will be inside polytetrafluoroethylene (PTFE) inflatable cushion 15
Gas released by gas tube 4, then hand can be used to rotate handwheel 8, handwheel 8 drives worm screw 9 to rotate, while worm screw 9
The turbine being equipped with 2 one end of valve rod is meshed, to rotate with ovable valve stem 2 and butterfly plate 12, so that it may be adjusted or open
Entire butterfly valve, methane gas can be flowed first by the gap location between 5 inner sidewall of butterfly plate 12 and valve body, while gas
It will receive the guiding role of deflector 14 and water conservancy diversion through slot 19, patch is flowed along flow deflector 20, keeps the gas of flowing more flat
Surely, the generation of vortex is avoided to handle crank 27 again after regulating and rotate to turntable 2, to make turntable 2
It drives threaded screw rod 25 to move downward inside threaded hole 26, fixture block 22 is made to snap onto the inside of card slot 23, avoid arbitrarily dialling
It hesperids valve, guarantees the sealing performance of butterfly valve, while also improving the stability to worm screw 9, when butterfly valve needs to close, make butterfly plate 12
The sealing rubber ring 11 and the inner sidewall of valve body 5 of surrounding fit, and pass through valve cock to polytetrafluoroethylene (PTFE) followed by inflator
The inside of inflatable cushion 15 is filled with gas, polytetrafluoroethylene (PTFE) inflatable cushion 15 air cavity 16 internal expansion so that lug boss 18 is caught in
To the inside of limiting slot 17, so that butterfly plate 12 be made more to be bonded with the inner sidewall of valve body 5, guarantee the sealing effect of butterfly valve, improves
The practicability of butterfly valve.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. gas special flange butterfly valve, including transmission case (1), valve body (5), handwheel (8) and deflector (14), it is characterised in that:
The surrounding annular of valve body (5) inner sidewall is uniformly provided with limiting slot (17), and the inside of valve body (5) is equipped with butterfly plate (12), institute
It states annular on the lateral wall of butterfly plate (12) to be equipped with sealing rubber ring (11), and the two sides of butterfly plate (12) are all equipped with deflector
(14), the inside of close butterfly plate (12) one end of the deflector (14) is equipped with water conservancy diversion through slot (19), and water conservancy diversion through slot (19)
Interior to be unevenly equipped with flow deflector (20), flow deflector (20) is fixedly connected close to the one end of butterfly plate (12) with butterfly plate (12), the butterfly
Plate (12) is equipped with air cavity (16) close to the outside of sealing rubber ring (11), and the inside of air cavity (16) is inflated equipped with polytetrafluoroethylene (PTFE)
Pad (15), the surrounding annular of polytetrafluoroethylene (PTFE) inflatable cushion (15) lateral wall be uniformly provided with match with limiting slot (17) it is convex
It rises portion (18), and polytetrafluoroethylene (PTFE) inflatable cushion (15) is equipped with gas tube (4), gas tube at the position at the top of valve body (5)
(4) one end far from polytetrafluoroethylene (PTFE) inflatable cushion (15) extends to the outside of valve body (5) and is equipped with inflation through valve body (5)
Mouth, the center position at the top of the valve body (5) are welded with protection sleeve (7), and protect and be welded with transmission at the top of sleeve (7)
The side of case (1), the transmission case (1) is equipped with worm screw (9), and one end of worm screw (9) extends to transmission through transmission case (1)
The other end of the inside of case (1), the worm screw (9) is equipped with handwheel (8), and worm screw (9) uniformly sets close to the one end of handwheel (8)
Have card slot (23), the transmission case (1) is all welded with fixed block (10) close to the top and bottom of worm screw (9) side, and fixed
Block (10) is all equipped with threaded hole (26) far from the one end of transmission case (1), position of the fixed block (10) close to threaded hole (26)
Place is equipped with the threaded screw rod (25) to match with threaded hole (26), and one end of threaded screw rod (25) is welded with turntable (21), institute
The other end for stating threaded screw rod (25) extends to the outside of fixed block (10) and is welded with fixed plate (24) through threaded hole (26),
And fixed plate (24) is uniformly provided with the fixture block (22) to match with card slot (23) far from the side of threaded screw rod (25).
2. gas special flange butterfly valve according to claim 1, it is characterised in that: all install at the both ends of the valve body (5)
Have flange (6), and the surrounding annular of flange (6) is uniformly provided with fixation hole (13), the top of valve body (5) is close to protection sleeve (7)
Outside uniform welding have reinforcing rib (3).
3. gas special flange butterfly valve according to claim 1, it is characterised in that: the inside of protection sleeve (7) is set
Have valve rod (2), and one end of valve rod (2) extends to the inside of valve body (5) and be fixedly connected with butterfly plate (12) through valve body (5),
The other end of valve rod (2) extends to the inside of transmission case (1) and is equipped with turbine, and turbine is meshed with worm screw (9).
4. gas special flange butterfly valve according to claim 1, it is characterised in that: wrapped up on the outer wall of the handwheel (8)
Rubber sleeve, and rubber sleeve and handwheel (8) cooperate and constitute safeguard structure.
5. gas special flange butterfly valve according to claim 1, it is characterised in that: on the lateral wall of the butterfly plate (12) and
Inner sidewall all even applications of valve body (5) have ceramic wearing coat, and ceramic wearing coat is mutual with butterfly plate (12) and valve body (5) respectively
Cooperation constitutes protection structure.
6. gas special flange butterfly valve according to claim 1, it is characterised in that: the side peace at the top of the turntable (21)
Equipped with crank (27), and crank (27) and turntable (21) cooperate and constitute drive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821950504.XU CN209262272U (en) | 2018-11-26 | 2018-11-26 | Gas special flange butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821950504.XU CN209262272U (en) | 2018-11-26 | 2018-11-26 | Gas special flange butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209262272U true CN209262272U (en) | 2019-08-16 |
Family
ID=67564288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821950504.XU Expired - Fee Related CN209262272U (en) | 2018-11-26 | 2018-11-26 | Gas special flange butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209262272U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541941A (en) * | 2019-09-02 | 2019-12-06 | 江苏盐电阀门有限公司 | connecting structure of butterfly plate and valve rod |
| CN113464196A (en) * | 2021-08-06 | 2021-10-01 | 中国矿业大学 | Gas concentration monitoring system and method for extraction pipeline |
| CN114413003A (en) * | 2022-03-14 | 2022-04-29 | 国工控股集团有限公司 | Bidirectional multi-eccentric metal sealing butterfly valve |
-
2018
- 2018-11-26 CN CN201821950504.XU patent/CN209262272U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541941A (en) * | 2019-09-02 | 2019-12-06 | 江苏盐电阀门有限公司 | connecting structure of butterfly plate and valve rod |
| CN110541941B (en) * | 2019-09-02 | 2020-10-09 | 江苏盐电阀门有限公司 | Connecting structure of butterfly plate and valve rod |
| CN113464196A (en) * | 2021-08-06 | 2021-10-01 | 中国矿业大学 | Gas concentration monitoring system and method for extraction pipeline |
| CN114413003A (en) * | 2022-03-14 | 2022-04-29 | 国工控股集团有限公司 | Bidirectional multi-eccentric metal sealing butterfly valve |
| CN114413003B (en) * | 2022-03-14 | 2023-06-23 | 国工控股集团有限公司 | Bidirectional multi-bias metal sealing 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: 20201126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |