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 PDF

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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
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CN
China
Prior art keywords
copper sheathing
boss
valve
wedge action
rising stem
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Expired - Fee Related
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CN201720883224.0U
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Chinese (zh)
Inventor
陈春光
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Individual
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Individual
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Priority to CN201720883224.0U priority Critical patent/CN207064692U/en
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Publication of CN207064692U publication Critical patent/CN207064692U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of improved rising stem (RS.) wedge action valve copper sheathing
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.
CN201720883224.0U 2017-07-19 2017-07-19 A kind of improved rising stem (RS.) wedge action valve copper sheathing Expired - Fee Related CN207064692U (en)

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

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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

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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Granted publication date: 20180302