CN207064692U - A kind of improved rising stem (RS.) wedge action valve copper sheathing - Google Patents
A kind of improved rising stem (RS.) wedge action valve copper sheathing Download PDFInfo
- Publication number
- CN207064692U CN207064692U CN201720883224.0U CN201720883224U CN207064692U CN 207064692 U CN207064692 U CN 207064692U CN 201720883224 U CN201720883224 U CN 201720883224U CN 207064692 U CN207064692 U CN 207064692U
- Authority
- CN
- China
- Prior art keywords
- copper sheathing
- boss
- valve
- wedge action
- rising stem
- 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
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 118
- 239000010949 copper Substances 0.000 title claims abstract description 118
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 230000000630 rising effect Effects 0.000 title claims abstract description 20
- 239000004809 Teflon Substances 0.000 claims description 14
- 229920006362 Teflon® Polymers 0.000 claims description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- -1 Polytetrafluoroethylene Polymers 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 20
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000005461 lubrication Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- ALKZAGKDWUSJED-UHFFFAOYSA-N dinuclear copper ion Chemical compound [Cu].[Cu] ALKZAGKDWUSJED-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model discloses a kind of improved rising stem (RS.) wedge action valve copper sheathing, including copper sheathing and polytetrafluoroethylmaterial material, the polytetrafluoroethylmaterial material is arranged on the top of copper sheathing boss through copper sheathing.The utility model is simple in construction, by the polytetrafluoroethylmaterial material added, effectively eliminates the mechanical friction between small boss in copper sheathing and copper sheathing letter so that product service life is longer;And polytetrafluoroethylmaterial material surface lubrication and rub resistance so that it is lighter, quick when opening and closing valve, while reduce the maintenance and maintenance of valve, the service life of valve is extended, greatlys save cost.
Description
Technical field
It the utility model is related to a kind of copper sheathing, more particularly to a kind of improved rising stem (RS.) wedge action valve copper sheathing.
Background technology
As shown in figure 4, being existing rising stem (RS.) wedge action valve, its fluid resistance is small, media flow direction is unrestricted, sealing
Property it is good and be opened and closed laborsaving;Valve rod has trapezoidal thread on (8), by rotation hand wheel (6) drive copper sheathing (1) rotate, then by due to
Guide groove on locking nut (5), makes rotary motion be changed into moving along a straight line, so that the rotational band ovable valve stem (8) of copper sheathing (1) is done
Lower motion, and then the valve plate (9) for making to link together with valve rod (8) also opens and closes therewith.Copper sheathing (1) and copper sheathing letter (7)
Junction there is no buffer unit, only rubbed by lubricating oil to reduce, therefore in valve opening and closing process, copper sheathing (1)
Mechanical friction is produced between the copper sheathing boss (2) and copper sheathing letter (7) of bottom, and during long-term friction, the chip of abrasion
Thing is remained between the copper sheathing boss (2) of copper sheathing (1) bottom and copper sheathing letter (7) interior small boss, causes copper sheathing boss (2) upper surface
Plane be ground into oblique angle convex surface.
Such wear not only shortens the service life of copper sheathing (1), also results in copper sheathing (1) can not rotate, valve rod (8)
Can not move up, valve plate (9) can not open medium channel, influence the normal normal life produced with natural gas well of natural gas waste liquid
Production.Change new valve or copper sheathing (1) not only causes the waste of production material, also add production cost;When changing new valve,
If the sewage in natural gas liquid separation tank can not produce in time, it will cause environmental pollution, influence to keep the safety in production;And frequently tie up
Repair, change the workload that valve not only increases operating personnel, also in the presence of the security risk in terms of some technical operations.Therefore need
The copper sheathing (1) of rising stem (RS.) wedge action valve is improved, avoid the friction between copper sheathing (1) and copper sheathing letter (7).
Utility model content
In order to solve the above technical problems, the utility model proposes a kind of improved rising stem (RS.) wedge action valve copper sheathing, this copper sheathing knot
Structure is simple, economical and practical, effectively prevent the friction between copper sheathing and copper sheathing letter.
In order to achieve the above object, the technical solution of the utility model is as follows:A kind of improved rising stem (RS.) wedge action valve copper sheathing,
Rubbed device including copper sheathing, copper sheathing boss and resistance, the copper sheathing boss is arranged on the end of copper sheathing, and copper sheathing and copper sheathing boss one
Shaping;The device that rubs that hinders is arranged on the periphery of copper sheathing, and is arranged on the top of copper sheathing boss.
The resistance device that rubs uses polytetrafluoroethylmaterial material, the resistance to atmospheric aging of polytetrafluoroethylmaterial material, high temperature resistant, resistance to low
It is warm, corrosion-resistant, polytetrafluoroethylmaterial material is arranged on copper sheathing, the mechanical property of copper sheathing and copper sheathing letter will not be damaged, can also be had
Effect avoids the friction between copper sheathing and copper sheathing letter.
Preferably, the resistance rubs, device is teflon gasket, and teflon gasket and copper sheathing boss connect
Contacting surface is plane.When rising stem (RS.) wedge action valve is new gate valve, i.e. when the upper surface of the copper sheathing boss of copper sheathing bottom is smooth flat,
Teflon gasket is set above copper sheathing boss, so as to fundamentally prevent copper sheathing when rotating in copper sheathing boss and copper sheathing letter
Small boss directly contacts, and completely eliminates the mechanical friction of copper sheathing and small boss in copper sheathing letter.
Preferably, the resistance rubs, device is polytetrafluoroethylene packing.When rising stem (RS.) wedge action valve is old gate valve, i.e. copper sheathing bottom
When the upper surface of the copper sheathing boss in portion is ground into oblique angle convex surface, polytetrafluoroethylene packing is set above copper sheathing boss, prevents copper
Copper sheathing boss directly contacts with small boss in copper sheathing letter when being enclosed on rotation, effectively prevent in valve opening afterwards and closed
In journey mechanical friction is produced in copper sheathing and copper sheathing letter between small boss.
Preferably, the thickness of the teflon gasket is 1~2mm.
The beneficial effects of the utility model:Rising stem (RS.) wedge action valve copper sheathing of the present utility model is simple in construction, in copper sheathing and copper
Increase polytetrafluoroethylmaterial material between set letter contact surface, avoid the friction between copper sheathing and copper sheathing letter so that copper sheathing uses week
Phase is elongated;And polytetrafluoroethylmaterial material surface lubrication and rub resistance, it is lighter, quick when making opening/shutting valve, reduce simultaneously
The maintenance and maintenance of valve, is extended the service life of valve, greatly reduces cost.
Brief description of the drawings
Fig. 1 is the structural representation of rising stem (RS.) wedge action valve of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is the structural representation of original rising stem (RS.) wedge action valve;
Wherein:1. copper sheathing, 2. copper sheathing boss, 3. teflon gaskets, 4. polytetrafluoroethylene packings, 5. locking nuts,
6. handwheel, 7. copper sheathing letters, 8. valve rods, 9. valve plates.
Embodiment
The utility model is described in further detail with reference to embodiment.
As shown in Figures 2 and 3, it is a kind of improved rising stem (RS.) wedge action valve copper sheathing of the present utility model, including copper sheathing 1, copper sheathing
Boss 2 and resistance rub device, and the copper sheathing boss 2 is arranged on the end of copper sheathing 1, and copper sheathing 1 and copper sheathing boss 2 are integrally formed;Institute
State the resistance device that rubs and be arranged on the periphery of copper sheathing 1, and be arranged on the top of copper sheathing boss 2.
The resistance device that rubs uses polytetrafluoroethylmaterial material, the resistance to atmospheric aging of polytetrafluoroethylmaterial material, high temperature resistant, resistance to low
Warm, corrosion-resistant, i.e., polytetrafluoroethylmaterial material is exposed in air for a long time, and its surface and property retention are constant, have good machine
Tool characteristic, and can strong alkali-acid resistance, water and various organic solvents.And the coefficient of friction of polytetrafluoroethylmaterial material is 0.04, is
It is minimum in solid material, it is fabulous self-lubricating material;The surface tension of polytetrafluoroethylmaterial material be it is minimum in solid material,
Any material is not adhered to.Polytetrafluoroethylmaterial material is arranged on copper sheathing 1, will not only damage the machinery of copper sheathing 1 and copper sheathing letter 7
Characteristic, it can also effectively avoid the friction between copper sheathing 1 and copper sheathing letter 7.
As shown in Fig. 2 the resistance rubs, device be teflon gasket 3, and teflon gasket 3 and copper sheathing boss 2
Contact surface be plane.When rising stem (RS.) wedge action valve is new gate valve, i.e. the upper surface of the copper sheathing boss 2 of the bottom of copper sheathing 1 is smooth flat
During face, teflon gasket 3 is set above copper sheathing boss 2, so as to fundamentally prevent the copper sheathing boss when rotating of copper sheathing 1
2 directly contact with small boss in copper sheathing letter 7, and completely eliminate the mechanical friction of copper sheathing 1 and small boss in copper sheathing letter 7.
The thickness of the teflon gasket 3 is 1~2mm.If the thickness of teflon gasket 3 is blocked up, it will makes
The handwheel 6 on copper sheathing 1 can not be locked into locking nut 5, therefore the thickness of teflon gasket 3 is worked into 1~2mm,
Locking nut 5 is set to lock handwheel 6, so as to normal use gate valve.
As shown in figs. 1 and 3, the device that rubs that hinders is polytetrafluoroethylene packing 4.When rising stem (RS.) wedge action valve is old gate valve, i.e.,
When the upper surface of the copper sheathing boss 2 of the bottom of copper sheathing 1 is ground into oblique angle convex surface, polytetrafluoroethylene (PTFE) is set to fill out above copper sheathing boss 2
Material 4, prevent the copper sheathing boss 2 when rotating of copper sheathing 1 from directly being contacted with small boss in copper sheathing letter 7, effectively prevent the valve afterwards
During door opens and closes mechanical friction is produced in copper sheathing 1 and copper sheathing letter 7 between small boss.
The polytetrafluoroethylmaterial material surface lubrication used on copper sheathing 1 of the present utility model and rub resistance so that open and
It is lighter, quick during closing valve, while the maintenance and maintenance of valve can be reduced, it is extended the service life of valve.
By setting teflon gasket 3 or polytetrafluoroethylene packing 4 on copper sheathing 1, effectively eliminate in copper sheathing 1 and copper sheathing letter 7
Mechanical friction between small boss so that product service life is longer, greatlys save cost.
Claims (4)
1. a kind of improved rising stem (RS.) wedge action valve copper sheathing, it is characterised in that rubbed dress including copper sheathing (1), copper sheathing boss (2) and resistance
Put, the copper sheathing boss (2) is arranged on the end of copper sheathing (1), and copper sheathing (1) and copper sheathing boss (2) are integrally formed;The resistance rubs
Device is arranged on the periphery of copper sheathing (1), and is arranged on the top of copper sheathing boss (2).
2. a kind of improved rising stem (RS.) wedge action valve copper sheathing according to claim 1, it is characterised in that the resistance device that rubs is
Teflon gasket (3), and the contact surface of teflon gasket (3) and copper sheathing boss (2) is plane.
3. a kind of improved rising stem (RS.) wedge action valve copper sheathing according to claim 1, it is characterised in that the resistance device that rubs is
Polytetrafluoroethylene packing (4).
A kind of 4. improved rising stem (RS.) wedge action valve copper sheathing according to claim 2, it is characterised in that the polytetrafluoroethylene (PTFE)
The thickness of pad (3) is 1~2mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720883224.0U CN207064692U (en) | 2017-07-19 | 2017-07-19 | A kind of improved rising stem (RS.) wedge action valve copper sheathing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720883224.0U CN207064692U (en) | 2017-07-19 | 2017-07-19 | A kind of improved rising stem (RS.) wedge action valve copper sheathing |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207064692U true CN207064692U (en) | 2018-03-02 |
Family
ID=61512088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720883224.0U Expired - Fee Related CN207064692U (en) | 2017-07-19 | 2017-07-19 | A kind of improved rising stem (RS.) wedge action valve copper sheathing |
Country Status (1)
Country | Link |
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CN (1) | CN207064692U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114673914A (en) * | 2022-03-31 | 2022-06-28 | 中国华能集团清洁能源技术研究院有限公司 | Lubricating system for prolonging service life of valve copper bush and working method thereof |
-
2017
- 2017-07-19 CN CN201720883224.0U patent/CN207064692U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114673914A (en) * | 2022-03-31 | 2022-06-28 | 中国华能集团清洁能源技术研究院有限公司 | Lubricating system for prolonging service life of valve copper bush and working method thereof |
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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: 20180302 |