CN207864638U - Teflon seal butterfly valve - Google Patents
Teflon seal butterfly valve Download PDFInfo
- Publication number
- CN207864638U CN207864638U CN201721737764.4U CN201721737764U CN207864638U CN 207864638 U CN207864638 U CN 207864638U CN 201721737764 U CN201721737764 U CN 201721737764U CN 207864638 U CN207864638 U CN 207864638U
- Authority
- CN
- China
- Prior art keywords
- valve
- teflon seal
- butterfly plate
- butterfly
- gland
- 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
Links
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 26
- 239000004809 Teflon Substances 0.000 title claims abstract description 22
- 210000004907 Glands Anatomy 0.000 claims abstract description 15
- 239000000945 filler Substances 0.000 claims abstract description 13
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000005987 sulfurization reaction Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 2
- 210000000988 Bone and Bones Anatomy 0.000 claims 1
- 210000002356 Skeleton Anatomy 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 241000255777 Lepidoptera Species 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N Vinyl fluoride Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a kind of teflon seal butterfly valves, including valve body, valve seat insert, butterfly plate, valve rod, metallic framework, nitrile rubber circle, gland, axle sleeve, stuffing-box.The valve body is connected by valve rod and circular cone axis pin respectively with butterfly plate；There is the butterfly plate arc-shaped structure, the valve seat insert to be set to the both ends end of butterfly plate simultaneously；The valve seat insert is bolted with valve body.The bottom of the stuffing-box is equipped with Packing seat, and the middle part of the Packing seat is equipped with through-hole, and valve rod is placed in the Packing seat, and Packing seat is filled with filler, gland is equipped with above filler.Teflon seal butterfly valve disclosed by the utility model, butterfly plate are designed to arc-shaped structure, and having ensured product appearance, the lines flow smoothly, while saving production cost, avoid mutually squeezing between butterfly plate and sealing ring.
Description
Technical field
The utility model belongs to low pressure valve technical field, and in particular to a kind of teflon seal butterfly valve.
Background technology
Butterfly valve can be used for switching low-voltage tube medium as a kind of regulating valve that structure is relatively simple.It is with closure member butterfly plate
Disk realizes the purpose of open and close around valve shaft rotation.Butterfly valve can be used for controlling empty gas and water, steam, various corrosivity
The flowing of the various types fluid such as medium, mud, oil product, liquid metal and radiating medium.It mainly cuts off and saves on pipeline
Stream acts on.Butterfly valve opening and closing element is a discoidal butterfly plate, in valve body around the axis of its own rotate, to reach open and close or
The purpose of adjusting.
Utility model content
The utility model is directed to the situation of the prior art, provides a kind of teflon seal butterfly valve.
The utility model use following technical scheme, the teflon seal butterfly valve include valve body, valve seat insert,
Butterfly plate, valve rod, metallic framework, nitrile rubber circle, gland, axle sleeve, stuffing-box, wherein：
The valve body is connected by valve rod and circular cone axis pin respectively with butterfly plate；The butterfly plate has arc-shaped structure,
The valve seat insert is set to the both ends end of butterfly plate simultaneously；The valve seat insert is bolted with valve body；
The bottom of the stuffing-box is equipped with Packing seat, and the middle part of the Packing seat is equipped with through-hole, valve rod is placed in the Packing seat,
Packing seat is filled with filler, gland is equipped with above filler, the gland is in the simple shape of circle and has centre bore, gland
It is socketed on valve rod and is fixedly connected with the valve body by symmetrical bolt.
According to above-mentioned technical proposal, the valve seat insert uses metallic framework, and the nitrile rubber circle is using vulcanization work
Skill is made, and the filler is made of polytetrafluoroethylene (PTFE).
According to above-mentioned technical proposal, the teflon seal butterfly valve further includes divided ring, the divided ring and valve rod
The groove of end cooperates, and the middle part of axle sleeve is equipped with endoporus, and valve rod is placed in axle sleeve.
According to above-mentioned technical proposal, the teflon seal butterfly valve further includes gasket and rear cover, the gasket
It is connected with rear cover, the rear cover is fixedly connected with the valve body by bolt.
Teflon seal butterfly valve disclosed by the utility model, advantage are that butterfly plate designs knot in the arc-shaped
Structure, having ensured product appearance, the lines flow smoothly, while saving production cost, avoids mutually squeezing between butterfly plate and sealing ring.
Description of the drawings
Fig. 1 is the sectional structure chart of the preferred embodiment in the utility model.
Fig. 2 is the partial structural diagram of the preferred embodiment in the utility model.
Fig. 3 A and Fig. 3 B are the partial structural diagrams of the preferred embodiment in the utility model.
Fig. 4 A to Fig. 4 C are the partial structural diagrams of the preferred embodiment in the utility model.
Reference numeral includes：1- glands；2- stuffing-boxes；3- axle sleeves；4- valve seat inserts；5- circular cone axis pins；6- butterflies
Plate；7- valve rods；8- valve bodies；9- divided rings；10- gaskets；11- rear covers；12- metallic frameworks；13- nitrile rubber circles.
Specific implementation mode
The utility model discloses a kind of teflon seal butterfly valves, new to this practicality with reference to preferred embodiment
The specific implementation mode of type is further described.
The cross-section structure of the teflon seal butterfly valve is shown to Fig. 4, Fig. 1 referring to Figure 1 of the drawings.Preferably,
The teflon seal butterfly valve includes valve body 8, valve seat insert 4, butterfly plate 6, valve rod 7, metallic framework 12, nitrile rubber circle
13, gland 1 and axle sleeve 3, wherein：
The valve body 8 is connected by valve rod 7 and circular cone axis pin 5 respectively with butterfly plate 6, will pass through operated by handwheel drive
Valve rod 7 realizes valve switch to drive butterfly plate 6 to rotate.The butterfly plate 6 has arc-shaped structure, the valve seat insert 4
It is set to the both ends end of butterfly plate 6 simultaneously.The valve seat insert 4 is bolted with valve body 8.
The valve seat insert 4 uses metallic framework 12, and the nitrile rubber circle 13 is using sulfuration process and passes through mould
Has machine-shaping.
The teflon seal butterfly valve further includes stuffing-box 2, and the bottom of the stuffing-box 2 is equipped with axle sleeve 3 and filler
The middle part of pad, the Packing seat is equipped with through-hole, and valve rod 7 is placed in the Packing seat.Packing seat is filled with filler, which uses poly- four
Vinyl fluoride is made.Gland 1 is equipped with above filler, the gland 1 is in the simple shape of circle and has centre bore.Gland 1 exists
It is sleeved on when installation on valve rod 7 and is fixed by symmetrical bolt and valve body 1 to compress filler.
The teflon seal butterfly valve further includes divided ring 9, and the divided ring 9 and the groove of 7 end of valve rod are mutual
Cooperation.The middle part of axle sleeve 3 is equipped with endoporus, and axle sleeve 3 is placed on valve rod 7 in when mounted.
The teflon seal butterfly valve further includes gasket 10 and rear cover 11, and the gasket 10 coordinates with rear cover 11
Connection, the rear cover 11 are fixedly connected by bolt with valve body 8.
Wherein, butterfly plate is designed to arc-shaped structure, and having ensured product appearance, the lines flow smoothly, has more mainly saved and has been produced into
This, while reducing the extruding between butterfly plate and sealing ring；Valve seat insert uses sulfuration process with mold, has ensured valve seat
Size and precision are produced, substantially increases the sealing performance and service life of product in this way.
For a person skilled in the art, the technical solution recorded in foregoing embodiments can still be repaiied
Change or equivalent replacement of some of the technical features, within the spirit and principle of the utility model, made by it is any
Modification, equivalent replacement, improvement etc., should be included in the scope of protection of the utility model.
Claims (4)
1. a kind of teflon seal butterfly valve, which is characterized in that including valve body, valve seat insert, butterfly plate, valve rod, metal bone
Frame, nitrile rubber circle, gland, axle sleeve, stuffing-box, wherein：
The valve body is connected by valve rod and circular cone axis pin respectively with butterfly plate；The butterfly plate has arc-shaped structure, described
Valve seat insert is set to the both ends end of butterfly plate simultaneously；The valve seat insert is bolted with valve body；
The bottom of the stuffing-box is equipped with Packing seat, and the middle part of the Packing seat is equipped with through-hole, valve rod, filler are placed in the Packing seat
Pad is filled with filler, gland is equipped with above filler, the gland is in the simple shape of circle and has centre bore, gland socket
It is fixedly connected with the valve body in valve rod and by symmetrical bolt.
2. teflon seal butterfly valve according to claim 1, which is characterized in that the valve seat insert uses metal
Skeleton, the nitrile rubber circle are made of sulfuration process, and the filler is made of polytetrafluoroethylene (PTFE).
3. teflon seal butterfly valve according to claim 1, which is characterized in that the teflon seal butterfly valve
Further include divided ring, the groove of the divided ring and valve stem end cooperates, and the middle part of axle sleeve is equipped with endoporus, is placed in axle sleeve
Valve rod.
4. teflon seal butterfly valve according to claim 1, which is characterized in that the teflon seal butterfly valve
Further include gasket and rear cover, the gasket is connected with rear cover, and the rear cover is fixedly connected with the valve body by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737764.4U CN207864638U (en) | 2017-12-14 | 2017-12-14 | Teflon seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737764.4U CN207864638U (en) | 2017-12-14 | 2017-12-14 | Teflon seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864638U true CN207864638U (en) | 2018-09-14 |
Family
ID=63468931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721737764.4U Expired - Fee Related CN207864638U (en) | 2017-12-14 | 2017-12-14 | Teflon seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869765A (en) * | 2018-09-21 | 2018-11-23 | 上海沪东造船阀门有限公司 | A kind of compound seal ring of the class cam design suitable for eccentric-butterfly-valve |
| CN112360997A (en) * | 2020-10-27 | 2021-02-12 | 祥安消防科技有限公司 | Fire control butterfly valve of high gas tightness |
-
2017
- 2017-12-14 CN CN201721737764.4U patent/CN207864638U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869765A (en) * | 2018-09-21 | 2018-11-23 | 上海沪东造船阀门有限公司 | A kind of compound seal ring of the class cam design suitable for eccentric-butterfly-valve |
| CN112360997A (en) * | 2020-10-27 | 2021-02-12 | 祥安消防科技有限公司 | Fire control butterfly valve of high gas tightness |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206682326U (en) | A kind of pipeline valve device | |
| CN207864638U (en) | Teflon seal butterfly valve | |
| CN206668991U (en) | A kind of soft seat butterfly valve of novel sealing structure | |
| CN110848429A (en) | Cut-off double-purpose valve | |
| CN204025719U (en) | Changable type valve seat construction | |
| CN205896214U (en) | Stop valve with pressure release function | |
| CN204573132U (en) | Anti-leakage butterfly valve | |
| CN204592329U (en) | The light-duty butterfly valve of low load | |
| CN208687003U (en) | A kind of ball valve of replaceable sealing structure | |
| CN203560492U (en) | Top-entry type low-temperature ball valve | |
| CN206626192U (en) | A kind of gate valve | |
| CN207131887U (en) | A kind of butterfly valve with ventilation function | |
| CN204628625U (en) | A kind of full-metallic hard seal ball valve | |
| CN204961861U (en) | Stop valve | |
| CN208074179U (en) | A kind of bush type ammonia butterfly valve | |
| CN108953662A (en) | A kind of cast steel metal sealing V-type ball valve | |
| CN204420200U (en) | Cylinder-rotating three-way diverter valve | |
| CN203023540U (en) | Novel stop valve | |
| CN204878772U (en) | It is two -way from pressure -bearing butterfly valve | |
| CN204420166U (en) | Large adjustable specific rotation cylinder modulating valve | |
| CN203757021U (en) | Novel stop valve | |
| CN206017761U (en) | Butterfly valve | |
| CN208686995U (en) | A kind of Leakproof spherical valve | |
| CN204784762U (en) | Bidirectional zero -leakage's soft seal butterfly valve | |
| CN213685355U (en) | Novel metal seal V-shaped adjusting ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20211214 |