CN104676011A - Integrated plastic adjusting valve with fluorine lining - Google Patents
Integrated plastic adjusting valve with fluorine lining Download PDFInfo
- Publication number
- CN104676011A CN104676011A CN201510023379.2A CN201510023379A CN104676011A CN 104676011 A CN104676011 A CN 104676011A CN 201510023379 A CN201510023379 A CN 201510023379A CN 104676011 A CN104676011 A CN 104676011A
- Authority
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- China
- Prior art keywords
- valve
- connecting sleeve
- fluoroplastic
- valve rod
- actuator
- 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.)
- Pending
Links
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title abstract description 10
- 229910052731 fluorine Inorganic materials 0.000 title abstract description 10
- 239000011737 fluorine Substances 0.000 title abstract description 10
- 239000004033 plastic Substances 0.000 title abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 27
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 17
- 239000007769 metal material Substances 0.000 claims abstract description 9
- 229920002313 fluoropolymer Polymers 0.000 claims description 28
- 238000012856 packing Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 210000002435 tendon Anatomy 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 8
- 229920001577 copolymer Polymers 0.000 abstract description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 8
- 239000004809 Teflon Substances 0.000 description 7
- 229920006362 Teflon® Polymers 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 231100000614 poison Toxicity 0.000 description 6
- 230000007096 poisonous effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0272—Construction of housing; Use of materials therefor of lift valves valves provided with a lining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses an integrated plastic adjusting valve with a fluorine lining. The integrated plastic adjusting valve with the fluorine lining comprises a valve subassembly, a connecting sleeve and an executing mechanism, wherein the valve subassembly comprises a valve element, a valve body and a valve rod; the valve element is made of a polytetrafluoroethylene material; the valve body and the valve rod are made of metal materials; a corrugated pipe and the valve element are integrally formed; the thickness of a wall of an axial bent portion of the corrugated pipe is greater than that of a wall of a radial bent portion of the corrugated pipe; the valve rod is in threaded connection with the valve element; lining anticorrosive layers which are made of tetrafluoroethylene-hexafluoropropylene copolymer materials wrap an inner cavity and a dovetail groove of the valve body; the connecting sleeve is fixedly arranged on the valve body; the executing mechanism penetrates in the connecting sleeve and is fixedly connected with the valve rod through a bolt; a plurality of sealing washers with openings are hermetically arranged on the upper portion of the valve rod and the upper portion of the connecting sleeve; and the openings of the sealing washers face the valve subassembly. The integrated plastic adjusting valve with the fluorine lining is high in anticorrosion performance and high in sealing performance; and the service life of the adjusting valve can be prolonged.
Description
Technical field
The present invention relates to a kind of valve, particularly a kind of integral type lined with fluoroplastic modulating valve.
Background technique
Modulating valve, is widely used in the industries such as oil, chemical industry, metallurgy, medicine, electric power, waterpower, pumping plant, for the aperture of regulating valve, to regulate the flow of the media such as the circulation liquid of valve or gas.Due in the medium of the modulating valve that circulates with the aggressive mediums such as acid, alkali and poisonous, harmful, volatile gas or liquid, therefore, a kind of thermoplastic mould pressing process lined with fluoroplastic modulating valve inner lining fluoroplastics of employing is there is in prior art, the valve seat place that its structure is included between valve fluid import and export is furnished with spool assembly parts, connect actuator by the valve rod in spool assembly parts to move up and down, realize the unlatching between spool, valve seat, close, reach the requirement regulating rate-of flow.At present, in order to prevent from being in medium under pipeline pressure state from the valve rod seepage in spool assembly parts, graphite packing is usually adopted to be sealed, because valve rod in working procedure and packing seal director time move up and down friction at valve rod place, cause wearing and tearing, media leaks problem cannot be solved.For this reason, there is a kind of Pneumatic lining fluorine plastic corrugated pipe seal regulation valve, adopt sylphon seal, the bellows-sheathed of this modulating valve is on valve rod, valve rod is connected with spool and realizes spool and valve stem seal by bellows one end boss and spool groove interference fit and the bellows conical surface and spool groove cone match, the thickness of the tube wall of the bellows of this kind of structure is uniform, bellows stretches or compresses under the effect of actuator, the bending part of bellows is caused to be easy to be subject to the effect of tensile force or compressive force and to wear and tear, thus destroy the sealability of valve rod, medium is caused to leak from valve rod, have impact on the working life of valve.In addition, the combined method of this kind of lining fluorine plastic corrugated pipe seal regulation valve because of valve rod move up and down the time long after easily cause spool to follow valve rod joint to loosen, cause sealing invalid, make still to leak out with loosening of valve rod due to spool with corrosive fluid in valve, thus corrode whole valve, affect the life-span that valve uses.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of and has the integral type lined with fluoroplastic modulating valve that antiseptic property, sealability improve working life preferably.
In order to solve the problems of the technologies described above, technological scheme of the present invention is: integral type lined with fluoroplastic modulating valve, comprise valve member, connecting sleeve, actuator, described valve member comprises the spool made by polytetrafluoroethylmaterial material and the valve body made by metallic material and valve rod, the valve stem casing being positioned at described valve body is connected to that adopt polytetrafluoroethylmaterial material to make with bellows that the is one-body molded setting of described spool, the pipe thickness of the axial bending part of described bellows is greater than the pipe thickness at bent radial position, described valve rod is threaded with spool, the inner chamber of described valve body is provided with several dovetail grooves, the inner chamber of described valve body and dovetail groove cylinder-packing have the inside lining anti-corrosive layer adopting perfluoroethylene-propylene material to make, described connecting sleeve is bolted through described valve rod and is arranged on described valve body, and the axial direction of described valve rod is provided with groove, and the inwall of described connecting sleeve is provided with the convex tendon with described groove match, described actuator is bolted to connection described valve rod through described connecting sleeve, and described valve rod and connecting sleeve top seal are provided with the seal washer that several are provided with opening, and the opening of described seal washer is arranged towards described valve member direction.
Further, integral type lined with fluoroplastic modulating valve provided by the invention, is provided with screw thread in described dovetail groove.
Further, integral type lined with fluoroplastic modulating valve provided by the invention, described actuator is pneumatic actuator.
Further, integral type lined with fluoroplastic modulating valve provided by the invention, described actuator is electric actuator.
Further, integral type lined with fluoroplastic modulating valve provided by the invention, described actuator is provided with Traffic Indicator Mark.
Further, integral type lined with fluoroplastic modulating valve provided by the invention, described actuator is provided with Traffic Indicator Mark and comprises flow pointer and flow scale direction board.
Further, integral type lined with fluoroplastic modulating valve provided by the invention, described inside lining anti-corrosive layer adopts high-pressure injection moulding technique cylinder-packing.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is moved by the position of actuator's band ovable valve stem, thus controls the aperture of spool in valve body, with the uninterrupted of control to circulate gas in valve body or liquid and other medium.The spool of valve member of the present invention adopts polytetrafluoroethylmaterial material to substitute metallic material of the prior art, overcomes when adopting fluorine to mould layer cylinder-packing metal spool, and fluorine is moulded layer and easily come off and the problem that causes seal failure, improves the corrosion resistance of spool.Bellows and spool are arranged to integrative-structure by the present invention, improve the sealability of bellows and spool, overcome spool and bellows threaded connection place thread looseness in prior art and cause media leaks to valve rod, cause the problem invalid to valve stem seal.The pipe thickness of the axial bending part of bellows of the present invention is greater than the pipe thickness at bent radial position, thus makes bellows have stronger wear-resisting property, to improve the working life of bellows.The present invention's cylinder-packing in valve body has the inside lining anti-corrosive layer made by perfluoroethylene-propylene material, perfluoroethylene-propylene material, perfluoroethylene-propylene is the copolymer of teflon and polyhexafluoropropylene, the material modified of teflon, it has the resistance to heat of change, compensate for the deficiency of teflon high-temperature heating difficulty, there is again good resistance to chemical corrosion; Be convenient to the processing and fabricating of inside lining anti-corrosive layer, simultaneously because perfluoroethylene-propylene material has acid-fast alkali-proof, prevent the characteristics such as poisonous, harmful gas or liquid, make the medium direct valve body that makes of contacting metal material, thus improve the working life of valve body.The present invention, by being arranged on the groove on valve rod and the convex tendon in connecting sleeve, can preventing connecting sleeve from rotating on valve body, make the connection of connecting sleeve and valve body more reliable.The present invention seals at valve rod and connecting sleeve and is provided with the seal washer that several are provided with opening, and the opening of seal washer is arranged towards described valve member direction, thus serve seal action in connecting sleeve position, can prevent from penetrating into valve rod medium to overflow, when there being dielectric leakage, by its opening, the dieletric reflection with certain pressure can be gone back, thus medium is not overflowed by valve rod.Seal washer and bellows constitute dual sealing functions to valve rod, and therefore, sealing effect of the present invention is better.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of integral type lined with fluoroplastic modulating valve of the present invention;
Fig. 2 is the structural representation of valve body of the present invention;
Fig. 3 is A portion partial enlarged drawing in Fig. 2;
Fig. 4 is the structural representation of connecting sleeve of the present invention;
Fig. 5 be in Fig. 4 K to generalized section;
Fig. 6 is bellows of the present invention and the integrated structural representation of spool;
Fig. 7 is the structure for amplifying schematic diagram of bellows of the present invention;
Fig. 8 is the schematic cross-section of seal washer of the present invention.
Shown in figure: 100, valve member, 110, valve body, 111, dovetail groove, 112, inside lining anti-corrosive layer, 120, spool, 130, valve rod, 131, bellows, 132, groove, 200, connecting sleeve, 201, convex tendon, 300, actuator, 301, flow pointer, 302, graduation indication board, 400, bolt, 500, seal washer, 501, opening.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
Please refer to Fig. 1 to 8, integral type lined with fluoroplastic modulating valve provided by the invention, comprise valve member 100, connecting sleeve 200, actuator 300, described valve member 100 comprises the spool 120 made by polytetrafluoroethylmaterial material and the valve body 110 made by metallic material and valve rod 130, the valve rod 130 being positioned at described valve body 110 is socketed with that adopt polytetrafluoroethylmaterial material to make with bellows 131 that the is one-body molded setting of described spool 120, the pipe thickness of the axial direction Y bending part of described bellows 131 is greater than the pipe thickness of radial direction X bending part, described valve rod 130 is threaded with spool 120, the inner chamber of described valve body 110 is provided with several dovetail grooves 111, the inner chamber of described valve body 110 and dovetail groove 111 cylinder-packing have the inside lining anti-corrosive layer 112 adopting perfluoroethylene-propylene material to make, described connecting sleeve 200 is fixedly installed on described valve body 110 through described valve rod 130 by bolt 400, the axial direction of described valve rod 130 is provided with groove 132, the inwall of described connecting sleeve 200 is provided with the convex tendon 201 matched with described groove 132, described actuator 300 is fixedly connected with described valve rod 130 through described connecting sleeve 200 by bolt 400, described valve rod 130 is provided with several seal washers 500 being provided with opening 501 with connecting sleeve 200 top seal, and the opening of described seal washer 500 is arranged towards described valve member 100 direction.
The present invention is moved with the position of ovable valve stem 130 by actuator 300, thus controls the aperture of spool 120 in valve body 110, with the uninterrupted of control to circulate gas in valve body 110 or liquid and other medium.The spool 120 of valve member 100 of the present invention adopts polytetrafluoroethylmaterial material to substitute metallic material of the prior art, overcome when adopting fluorine to mould layer cylinder-packing metal spool, fluorine is moulded layer and is easily come off and the problem causing seal failure, improves corrosion resistance and the sealability of spool.
Please refer to Fig. 6, bellows 130 and spool 120 are arranged to integrative-structure by the present invention, improve bellows 131 and the sealability of spool 120, overcome spool and bellows threaded connection place thread looseness in prior art and cause media leaks to valve rod, cause the problem invalid to valve stem seal.
The pipe thickness of the axial bending part of bellows 131 of the present invention is greater than the pipe thickness at bent radial position, thus makes bellows 131 have stronger wear-resisting property, to improve the working life of bellows.
The present invention's cylinder-packing in valve body 110 has the inside lining anti-corrosive layer 112 made by perfluoroethylene-propylene material, perfluoroethylene-propylene material, perfluoroethylene-propylene is the copolymer of teflon and polyhexafluoropropylene, the material modified of teflon, it has the resistance to heat of change, compensate for the deficiency of teflon high-temperature heating difficulty, there is again good resistance to chemical corrosion; Be convenient to the processing and fabricating of inside lining anti-corrosive layer 112, simultaneously because perfluoroethylene-propylene material has acid-fast alkali-proof, prevent the characteristics such as poisonous, harmful gas or liquid, make the medium direct valve body that makes of contacting metal material, thus improve the working life of valve body 110.
Please refer to Fig. 1, Fig. 4 to 6, the present invention, by being arranged on the groove 132 on valve rod 130 and the convex tendon 201 in connecting sleeve, can prevent connecting sleeve 200 from rotating on valve body 110, makes connecting sleeve 200 more reliable with the connection of valve body 110.
Please refer to Fig. 1, Fig. 8, the present invention seals at valve rod 130 and connecting sleeve 200 seal washer 500 being provided with several and being provided with opening 501, and the opening 501 of seal washer 500 is arranged towards described valve member 100 direction, thus make the position of connecting sleeve 200 serve seal action, can prevent from penetrating into valve rod medium to overflow, when there being dielectric leakage, by its opening, the dieletric reflection with certain pressure can be gone back, thus medium is not overflowed by valve rod 130.Seal washer 500 and bellows 131 pairs of valve rods 130 constitute dual sealing functions, and therefore, sealing effect of the present invention is better.
Please refer to Fig. 1 to 3, the inner chamber of described valve body 110 is provided with several dovetail grooves 111, the inner chamber of described valve body 110 and dovetail groove 111 cylinder-packing have the inside lining anti-corrosive layer 112 adopting perfluoroethylene-propylene material to make, inside lining anti-corrosive layer 112 has acid-fast alkali-proof, prevent the characteristic of poisonous, harmful gas or liquid medium corrosion, thus make the valve body 110 that the not direct contacting metal material of medium makes, thus improve the working life of valve body 110.The design of dovetail groove 111, bore due to dovetail groove 111 is outer narrow inner width, inside lining anti-corrosive layer 112 can be increased and serve as a contrast adhesion at valve body 110, with make inside lining anti-corrosive layer 112 stable be fixed in valve body 110, after preventing long-time use, inside lining anti-corrosive layer 112 departs from valve body 110, thus improves working life.
Please refer to 7, the pipe thickness of the bending part of the axial direction Y of bellows 131 of the present invention is greater than the pipe thickness of the bending part of radial direction X.Because bellows 131 is when valve member 100 is opened or closed, bellows 131 along with actuator 300 be with ovable valve stem 130 to stretch time, be stretched or compressed because bellows 131 has elastic force, because bellows 13 is stretched or compressed at axial direction, then the bending part of bellows 131 will wear and tear due to stretching repeatedly or compression, then medium will by the bending part seepage of the damage of bellows 130, particularly at medium for containing soda acid, poisonous, during hazardous medium, valve rod 130 will be corroded, and the setting of bellows 131 bending part of the present invention, the pipe thickness of the crimp Y of axial direction is greater than the pipe thickness of the crimp X of radial direction, Y represents the crimp of axial direction, X represents the crimp of radial direction, when then bellows 131 is stretched or compressed, axial direction Y due to the varied in thickness of tube wall, thus improves the wear-resisting property of bellows 131, and then improves the working life of bellows 131.Overcome in prior art the bellows 131 adopting same thickness, the problem that bellows 131 is easy to wear.
Lined with fluoroplastic of the present invention, refer to that inside lining anti-corrosive layer 112 adopts perfluoroethylene-propylene material, spool 120 adopts polytetrafluoroethylmaterial material, and bellows 131 adopts polytetrafluoroethylmaterial material, and seal washer 500 adopts polytetrafluoroethylmaterial material.
As preferably mode of execution, integral type lined with fluoroplastic modulating valve provided by the invention, is provided with screw thread (not shown) in described dovetail groove 111.Internal thread is set in dovetail groove 111, inside lining anti-corrosive layer 112 can be increased further and serve as a contrast adhesion at valve body 110, inside lining anti-corrosive layer 112 be served as a contrast in valve body 110 more firm.
As preferably mode of execution, integral type lined with fluoroplastic modulating valve provided by the invention, described actuator 300 is pneumatic actuator.Pneumatic actuator is by being input to the pressure size of the gas of pneumatic actuator, and band ovable valve stem 130 moves, thus regulates the aperture in valve member 110 with the integrated spool 120 of valve rod 130, thus the size of control media flow.
As preferably mode of execution, integral type lined with fluoroplastic modulating valve provided by the invention, described actuator 300 is electric actuator.Electric actuator passes through the size of input current or voltage, and band ovable valve stem 130 moves, thus regulates the aperture in valve member 110 with the integrated spool 120 of valve rod 130, thus the size of control media flow.
As preferably mode of execution, integral type lined with fluoroplastic modulating valve provided by the invention, described actuator 300 is provided with Traffic Indicator Mark, comprises flow pointer 301 and flow scale direction board 302.So that check or change the uninterrupted of integral type lined with fluoroplastic modulating valve, according to Environmental Conditions demand, by the uninterrupted of flow pointer 301 and flow scale direction board 302 fine adjustment medium.
As preferably mode of execution, integral type lined with fluoroplastic modulating valve provided by the invention, described inside lining anti-corrosive layer 112 adopts high-pressure injection moulding technique cylinder-packing, can make inside lining anti-corrosive layer 112 more securely cylinder-packing at valve body 110; Adopt this kind of technique, the structure of molecule of teflon or perfluoroethylene-propylene material can also be made not to be destroyed, thus play there is acid-fast alkali-proof, prevent the characteristic of poisonous, harmful gas or liquid medium corrosion.
The invention is not restricted to above-mentioned embodiment, all various distortion done in the spirit and scope of the claims in the present invention, all within protection scope of the present invention.
Claims (7)
1. integral type lined with fluoroplastic modulating valve, comprise valve member, connecting sleeve, actuator, it is characterized in that, described valve member comprises the spool made by polytetrafluoroethylmaterial material and the valve body made by metallic material and valve rod, the valve stem casing being positioned at described valve body is connected to that adopt polytetrafluoroethylmaterial material to make with bellows that the is one-body molded setting of described spool, the pipe thickness of the axial bending part of described bellows is greater than the pipe thickness at bent radial position, described valve rod is threaded with spool, the inner chamber of described valve body is provided with several dovetail grooves, the inner chamber of described valve body and dovetail groove cylinder-packing have the inside lining anti-corrosive layer adopting perfluoroethylene-propylene material to make, described connecting sleeve is bolted through described valve rod and is arranged on described valve body, the axial direction of described valve rod is provided with groove, the inwall of described connecting sleeve is provided with the convex tendon with described groove match, described actuator is bolted to connection described valve rod through described connecting sleeve, and described valve rod and connecting sleeve top seal are provided with the seal washer that several are provided with opening, and the opening of described seal washer is arranged towards described valve member direction.
2. integral type lined with fluoroplastic modulating valve as claimed in claim 1, is characterized in that, be provided with screw thread in described dovetail groove.
3. integral type lined with fluoroplastic modulating valve as claimed in claim 1, it is characterized in that, described actuator is pneumatic actuator.
4. integral type lined with fluoroplastic modulating valve as claimed in claim 1, it is characterized in that, described actuator is electric actuator.
5. integral type lined with fluoroplastic modulating valve as claimed in claim 1, is characterized in that, described actuator is provided with Traffic Indicator Mark.
6. integral type lined with fluoroplastic modulating valve as claimed in claim 5, is characterized in that, described actuator is provided with Traffic Indicator Mark and comprises flow pointer and flow scale direction board.
7. integral type lined with fluoroplastic modulating valve as claimed in claim 1, is characterized in that, described inside lining anti-corrosive layer adopts high-pressure injection moulding technique cylinder-packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023379.2A CN104676011A (en) | 2015-01-16 | 2015-01-16 | Integrated plastic adjusting valve with fluorine lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023379.2A CN104676011A (en) | 2015-01-16 | 2015-01-16 | Integrated plastic adjusting valve with fluorine lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104676011A true CN104676011A (en) | 2015-06-03 |
Family
ID=53311438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510023379.2A Pending CN104676011A (en) | 2015-01-16 | 2015-01-16 | Integrated plastic adjusting valve with fluorine lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104676011A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018153203A1 (en) * | 2017-02-24 | 2018-08-30 | 江苏金晟元特种阀门股份有限公司 | Electric fluorine-lined corrugated pipe single-seat regulating valve |
| CN113309858A (en) * | 2021-06-04 | 2021-08-27 | 浙江万龙机械有限公司 | Valve rod high-frequency opening and closing anti-shaking valve for ammonia |
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| DE29809524U1 (en) * | 1998-05-27 | 1998-11-05 | Fichtner, Lothar, Dipl.-Ing., 34471 Volkmarsen | Coverless valve insert for bellows valves |
| JP2002071060A (en) * | 2000-08-25 | 2002-03-08 | Kojima Press Co Ltd | Duct with bellows and its manufacturing method |
| CN2627293Y (en) * | 2003-07-11 | 2004-07-21 | 周庆男 | Fluorine lining plastic corrugated tube total sealed-regulating valve |
| CN2646506Y (en) * | 2003-03-13 | 2004-10-06 | 周庆男 | Pneumatic or electric sealed-regulating valve for fluorine plastic lining corrugated pipe |
| CN101457852A (en) * | 2008-12-15 | 2009-06-17 | 朱孝有 | Corrosion preventive and strength sealing intelligent control valve |
| CN201475368U (en) * | 2009-07-30 | 2010-05-19 | 朱孝有 | Strong sealing bellows anti-corrosion regulating valve |
| CN203099064U (en) * | 2013-02-22 | 2013-07-31 | 苏州可邦自控阀业有限公司 | Corrugated pipe used for fluoroplastic lining corrugated pipe regulating valve |
| CN204437293U (en) * | 2015-01-16 | 2015-07-01 | 苏州东山防腐仪表阀门有限公司 | Integral type lined with fluoroplastic modulating valve |
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2015
- 2015-01-16 CN CN201510023379.2A patent/CN104676011A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0400846B1 (en) * | 1989-05-19 | 1994-08-10 | Nupro Company | Valves for fluids |
| CN2199337Y (en) * | 1994-10-10 | 1995-05-31 | 旅顺长城不锈钢厂 | Steel-plastics composite mechanical sealed diluted acid pump |
| DE29809524U1 (en) * | 1998-05-27 | 1998-11-05 | Fichtner, Lothar, Dipl.-Ing., 34471 Volkmarsen | Coverless valve insert for bellows valves |
| JP2002071060A (en) * | 2000-08-25 | 2002-03-08 | Kojima Press Co Ltd | Duct with bellows and its manufacturing method |
| CN2646506Y (en) * | 2003-03-13 | 2004-10-06 | 周庆男 | Pneumatic or electric sealed-regulating valve for fluorine plastic lining corrugated pipe |
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Application publication date: 20150603 |