CN213039842U - Novel fluorine-lined butterfly valve - Google Patents
Novel fluorine-lined butterfly valve Download PDFInfo
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- CN213039842U CN213039842U CN202021387591.XU CN202021387591U CN213039842U CN 213039842 U CN213039842 U CN 213039842U CN 202021387591 U CN202021387591 U CN 202021387591U CN 213039842 U CN213039842 U CN 213039842U
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Abstract
The utility model discloses a novel fluorine-lined butterfly valve, which adopts the technical proposal that the novel fluorine-lined butterfly valve comprises an upper valve body, a lower valve body, a valve rod component, a butterfly plate and a control handle, wherein the inner walls of the upper valve body and the lower valve body are provided with a rubber layer and a valve body lining which are matched with each other, the surface of the butterfly plate is provided with a butterfly plate lining which is matched with the butterfly plate lining, the valve rod component comprises an upper valve rod and a lower valve rod which are respectively connected with the upper side and the lower side of the butterfly plate, the upper valve rod and the lower valve rod respectively penetrate through the upper valve body and the lower valve body, the upper valve rod and the lower valve rod are respectively sleeved with a valve rod pressing sleeve which is matched with each other, and one side of the valve rod pressing sleeve, which is close to the valve body lining, is also provided with a valve rod gasket which is connected with the valve rod pressing sleeve in a propping and pressing manner, the valve rod gasket is respectively sleeved on the upper valve rod and the lower valve rod, the valve rod gasket and the valve rod pressing sleeve are respectively provided with a gasket inclined plane and a pressing sleeve inclined plane which are matched with each other, and the upper valve body and the lower valve body are respectively provided with an upper gland and a lower gland which are matched with the valve rod pressing sleeve. The utility model has the advantages of simple structure, good sealing performance and high reliability.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to novel fluorine-lined butterfly valve.
Background
At present, chinese patent with publication number CN206802337U discloses a fluorine-lined butterfly valve, which comprises a butterfly valve body, the butterfly valve body is including the last valve body, lower valve body, lining subassembly, valve rod assembly and the butterfly plate of mutually supporting, upward be provided with valve rod installation position I and valve rod installation position II on valve body and the lower valve body respectively, lining subassembly is including butterfly plate lining and valve body lining, butterfly plate lining and valve body lining all adopt fluoroplastics to make, still be provided with the sealing washer and the gasket of O shape on the valve body lining, valve rod assembly is including last valve rod and the lower valve rod that is in on same axial lead, go up valve rod and lower valve rod and alternate respectively and set up in valve rod installation position I and valve rod installation position II, go up the valve rod and the valve rod is overlapped respectively down and is equipped with and presses cover, go up the inner wall of valve body and lower valve body on be provided with the rubber layer of mutually supporting and the valve body lining. The fluorine-lined butterfly valve is simple and reasonable in structure, practical and simple, good in sealing performance, long in service life, safe and reliable.
This patent is provided with sealing washer and gasket of O shape through the valve body lining to and go up the valve rod and overlap respectively with lower valve rod and establish the mode of pressing the cover and pressing the cover down, improve the leakproofness of valve rod subassembly department in the butterfly valve, press the cover and replace the mode of sealed packing with pressing the cover down more than the while, the production efficiency of butterfly valve has been improved, but the continuous rotation of valve rod subassembly in long-term the use, make the continuous wearing and tearing of gasket lead to the gasket and last valve rod or the clearance increase between the valve rod down, and then lead to the leakproofness of valve rod department to reduce.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel lining fluorine butterfly valve, has simple structure, the leakproofness is good, the effect that the reliability is high not enough to prior art exists.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel lining fluorine butterfly valve, is equipped with the rubber layer and the valve body lining of looks adaptation including last valve body, lower valve body, valve rod assembly, butterfly plate and brake valve lever on going up the inner wall of valve body and lower valve body, and the butterfly plate surface is equipped with the butterfly plate lining rather than the looks adaptation, valve rod assembly is including last valve stem and the lower valve rod that is connected with both sides about the butterfly plate respectively, and goes up valve stem and lower valve rod and run through respectively in last valve body and lower valve body, goes up all overlaps on valve stem and the lower valve rod to be equipped with the valve rod pressure cover of looks adaptation, and valve rod pressure cover is close to valve body lining one side and still is provided with rather than the valve rod gasket that supports to press the connection, and the valve rod gasket overlaps respectively and arranges in last valve rod and lower valve rod on, be provided with the gasket inclined plane and the pressure cover inclined plane of looks adaptation on valve rod gasket and the valve rod pressure cover respectively, go up be provided with on valve body and the lower valve body respectively with the gland and the valve rod pressure cover of And (4) fixedly connecting.
Through adopting above-mentioned technical scheme, valve rod packing ring can produce the clearance with last valve rod or lower valve rod after long-term, makes the valve rod pressure cover extrude to butterfly plate one side through last gland and lower gland, makes the valve rod packing ring inwards extrude through gasket inclined plane and pressure cover inclined plane, and then reduces the clearance of going up valve rod and lower valve rod department to improve the leakproofness.
The utility model discloses further set up to: the connecting bolt is further sleeved with a compression spring and an elastic washer which are matched with each other, and the aperture of the elastic washer is not smaller than the diameter of the connecting bolt.
Through adopting above-mentioned technical scheme, valve rod packing ring can produce the clearance with last valve rod or lower valve rod after long-term, and compression spring makes the valve rod press the cover to the extrusion of butterfly plate one side, makes the valve rod packing ring inwards extrude through gasket inclined plane and pressure cover inclined plane, and then reduces the clearance of going up valve rod and lower valve rod department to improve the leakproofness.
The utility model discloses further set up to: the valve rod pressing sleeve comprises an outer pressing sleeve and an inner pressing sleeve which are matched, a compression spring is arranged between the outer pressing sleeve and the inner pressing sleeve, and elastic gaskets matched with the outer pressing sleeve and the inner pressing sleeve are arranged at two ends of the compression spring.
Through adopting above-mentioned technical scheme, valve rod packing ring can produce the clearance with last valve rod or lower valve rod after long-term, and compression spring makes interior pressure sleeve extrude to butterfly plate one side, makes valve rod packing ring inwards extrude through gasket inclined plane and pressure sleeve inclined plane, and then reduces the clearance of going up valve rod and lower valve rod department to improve the leakproofness.
The utility model discloses further set up to: the butterfly plate is characterized in that valve rod grooves matched with the upper valve rod and the lower valve rod are formed in the upper end and the lower end of the butterfly plate, limiting through holes communicated with the valve rod grooves are further formed in the butterfly plate, limiting rods matched with the upper valve rod and the lower valve rod are arranged in the limiting through holes in an alternating mode, and fixing holes matched with the limiting rods are formed in the upper valve rod and the lower valve rod.
Through adopting above-mentioned technical scheme, go up valve rod, lower valve rod and gag lever post and mutually support, improve the concentricity between valve rod and the lower valve rod.
The utility model discloses further set up to: the axial lead of going up valve rod, lower valve rod and gag lever post is in on the same straight line, and goes up the axial lead that valve rod and lower valve rod place and pass the central point of butterfly plate, go up valve rod, lower valve rod, butterfly plate and gag lever post and pass through argon arc welding mode mutual fixed connection.
Through adopting above-mentioned technical scheme, improve the concentricity between valve rod and the lower valve rod, avoid the not enough leakproofness that influences the butterfly plate of concentricity, and then improve the wholeness ability of product.
The utility model discloses further set up to: go up the valve body and lower valve body through setting up a plurality of detachable loose joint structure interconnect, loose joint structure is including loose joint screw rod and the loose joint nut of cover on arranging the loose joint screw rod in, go up and set up the loose joint notch with loose joint bolt and loose joint nut looks adaptation on the valve body, lower valve body is through the lower extreme interconnect hinge joint of round pin axle with the loose joint screw rod.
Through adopting above-mentioned technical scheme, go up the valve body and pass through loose joint structure interconnect with lower valve body, easy dismounting, the processing of being convenient for effectively improves the production efficiency of product, and spare part is difficult for losing simultaneously, the later maintenance and the maintenance of being convenient for.
To sum up, the utility model discloses following beneficial effect has:
1. the valve rod pressing sleeve is extruded towards one side of the butterfly plate through the upper pressing cover and the lower pressing cover, and the valve rod gasket is extruded inwards through the gasket inclined plane and the pressing sleeve inclined plane, so that the gap between the upper valve rod and the lower valve rod is reduced, and the sealing performance is improved;
2. through last valve body and lower valve body through loose joint structure interconnect, easy dismounting, the processing of being convenient for effectively improves the production efficiency of product, and spare part is difficult for losing simultaneously, the later maintenance and the maintenance of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Reference numerals: 1. an upper valve body; 2. a lower valve body; 3. a butterfly plate; 4. a control handle; 5. a rubber layer; 6. a valve body liner; 7. a butterfly plate liner; 8. an upper valve stem; 9. a lower valve stem; 10. pressing the valve rod sleeve; 11. a valve stem gasket; 12. a gasket bevel; 13. pressing a sleeve inclined plane; 14. a gland is arranged; 15. a lower gland; 16. a connecting bolt; 17. a connecting nut; 18. a compression spring; 19. an elastic washer; 20. a limiting rod; 21. a loose joint screw rod; 22. a loose joint nut; 23. a loose joint notch; 24. a pin shaft; 25. externally pressing the sleeve; 26. and (5) internally pressing the sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the first embodiment, the present invention discloses a novel fluorine-lined butterfly valve, as shown in fig. 1, which comprises an upper valve body 1, a lower valve body 2, a valve rod assembly, a butterfly plate 3 and a control handle 4, wherein the inner walls of the upper valve body 1 and the lower valve body 2 are provided with a rubber layer 5 and a valve body liner 6 which are matched with each other, the surface of the butterfly plate 3 is provided with a butterfly plate 3 liner which is matched with each other, the valve rod assembly comprises an upper valve rod 8 and a lower valve rod 9 which are respectively connected with the upper side and the lower side of the butterfly plate 3, the upper valve rod 8 and the lower valve rod 9 respectively penetrate through the upper valve body 1 and the lower valve body 2, the upper valve rod 8 and the lower valve rod 9 are both sleeved with valve rod pressure sleeves 10 which are matched with each other, one side of the valve rod pressure sleeve 10, which is close to the valve body liner 6, is further provided with a valve rod gasket 11 which is in pressing connection with each other, the valve rod gasket 11 is respectively sleeved on, an upper gland 14 and a lower gland 15 which are matched with the valve rod pressing sleeve 10 are respectively arranged on the upper valve body 1 and the lower valve body 2, and the upper gland 14 and the lower gland 15 are respectively and fixedly connected with the upper valve body 1 and the lower valve body 2 through arranging a connecting bolt 16 and a connecting nut 17; the valve rod gasket can generate a gap with the upper valve rod 8 or the lower valve rod 9 after a long time, the valve rod pressing sleeve 10 is extruded to one side of the butterfly plate 3 through the upper pressing cover 14 and the lower pressing cover 15, the valve rod gasket is extruded inwards through the gasket inclined plane 12 and the pressing sleeve inclined plane 13, and then the gap between the upper valve rod 8 and the lower valve rod 9 is reduced, so that the sealing performance is improved.
As shown in fig. 1, the connecting bolt 16 is further sleeved with a compression spring 18 and an elastic washer 19 which are matched with each other, and the aperture of the elastic washer 19 is not smaller than the diameter of the connecting bolt 16; the valve rod gasket can generate a gap with the upper valve rod 8 or the lower valve rod 9 after a long time, the compression spring 18 enables the valve rod pressing sleeve 10 to extrude towards one side of the butterfly plate 3, the valve rod gasket is extruded inwards through the gasket inclined plane 12 and the pressing sleeve inclined plane 13, and then the gap between the upper valve rod 8 and the lower valve rod 9 is reduced, so that the sealing performance is improved.
As shown in fig. 1, valve rod grooves adapted to the upper valve rod 8 and the lower valve rod 9 are formed in the upper end and the lower end of the butterfly plate 3, a limiting through hole communicated with the valve rod grooves is further formed in the butterfly plate 3, a limiting rod 20 adapted to the upper valve rod 8 and the lower valve rod 9 is inserted into the limiting through hole, and fixing holes adapted to the limiting rod 20 are formed in the upper valve rod 8 and the lower valve rod 9; the upper valve rod 8, the lower valve rod 9 and the limiting rod 20 are matched with each other, so that the concentricity between the upper valve rod 8 and the lower valve rod 9 is improved; the axial lines of the upper valve rod 8, the lower valve rod 9 and the limiting rod 20 are positioned on the same straight line, the axial line of the upper valve rod 8 and the axial line of the lower valve rod 9 penetrate through the central point of the butterfly plate 3, and the upper valve rod 8, the lower valve rod 9, the butterfly plate 3 and the limiting rod 20 are fixedly connected with each other in an argon arc welding mode; improve the concentricity between upper valve rod 8 and the lower valve rod 9, avoid the not enough leakproofness that influences butterfly plate 3 of concentricity, and then improve the wholeness ability of product.
As shown in fig. 1, the upper valve body 1 and the lower valve body 2 are connected with each other by arranging a plurality of detachable loose joint structures, each loose joint structure comprises a loose joint screw rod 21 and a loose joint nut 22 sleeved on the loose joint screw rod 21, a loose joint notch 23 matched with the loose joint bolt and the loose joint nut 22 is arranged on the upper valve body 1, and the lower valve body 2 is hinged with the lower end of the loose joint screw rod 21 by a pin shaft 24; go up valve body 1 and lower valve body 2 through loose joint structure interconnect, easy dismounting, the processing of being convenient for effectively improves the production efficiency of product, and spare part is difficult for losing simultaneously, the later maintenance and the maintenance of being convenient for.
The second embodiment is different from the first embodiment in that, as shown in fig. 2, the valve stem pressing sleeve 10 includes an outer pressing sleeve 25 and an inner pressing sleeve 26 which are matched with each other, a compression spring 18 is disposed between the outer pressing sleeve 25 and the inner pressing sleeve 26, and elastic washers 19 matched with the outer pressing sleeve 25 and the inner pressing sleeve 26 are further disposed at two ends of the compression spring 18; the valve rod gasket can generate a gap with the upper valve rod 8 or the lower valve rod 9 after a long time, the compression spring 18 enables the inner pressing sleeve 26 to extrude towards one side of the butterfly plate 3, the valve rod gasket is enabled to extrude inwards through the gasket inclined plane 12 and the pressing sleeve inclined plane 13, and then the gap between the upper valve rod 8 and the lower valve rod 9 is reduced, so that the sealing performance is improved.
To sum up, the utility model discloses following beneficial effect has:
1. the valve rod pressing sleeve 10 is extruded towards one side of the butterfly plate 3 through the upper pressing cover 14 and the lower pressing cover 15, and the valve rod gasket is extruded inwards through the gasket inclined plane 12 and the pressing sleeve inclined plane 13, so that the gap between the upper valve rod 8 and the lower valve rod 9 is reduced, and the sealing performance is improved;
2. through last valve body 1 and lower valve body 2 through loose joint structure interconnect, easy dismounting, the processing of being convenient for effectively improves the production efficiency of product, and spare part is difficult for losing simultaneously, the later maintenance and the maintenance of being convenient for.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The utility model provides a novel lining fluorine butterfly valve, is equipped with rubber layer (5) and valve body lining (6) of looks adaptation including last valve body (1), lower valve body (2), valve rod assembly, butterfly plate (3) and brake valve lever (4) on the inner wall of going up valve body (1) and lower valve body (2), butterfly plate (3) surface be equipped with rather than the butterfly plate (3) lining of looks adaptation, its characterized in that: the valve rod assembly comprises an upper valve rod (8) and a lower valve rod (9) which are connected with the upper side and the lower side of a butterfly plate (3) respectively, the upper valve rod (8) and the lower valve rod (9) penetrate through an upper valve body (1) and a lower valve body (2) respectively, valve rod pressing sleeves (10) matched with each other are sleeved on the upper valve rod (8) and the lower valve rod (9), valve rod gaskets (11) connected with the valve rod pressing sleeves (10) in a pressing mode are further arranged on one sides, close to valve body linings (6), of the valve rod pressing sleeves (10), the valve rod gaskets (11) are respectively sleeved on the upper valve rod (8) and the lower valve rod (9), gasket inclined planes (12) and pressing sleeve inclined planes (13) matched with each other are arranged on the valve rod gaskets (11) and the valve rod pressing sleeves (10), an upper gland (14) and a lower gland (15) matched with the valve rod pressing sleeves (10) are further arranged on the upper valve body (1) and the lower valve body (2) respectively, and the upper gland (14) and the lower gland (15) Is fixedly connected with the upper valve body (1) and the lower valve body (2);
the upper end and the lower end of the butterfly plate (3) are provided with valve rod grooves matched with the upper valve rod (8) and the lower valve rod (9), the butterfly plate (3) is also internally provided with a limiting through hole communicated with the valve rod grooves, a limiting rod (20) matched with the upper valve rod (8) and the lower valve rod (9) is inserted into the limiting through hole, and the upper valve rod (8) and the lower valve rod (9) are both provided with fixing holes matched with the limiting rod (20);
go up valve body (1) and lower valve body (2) through setting up a plurality of detachable loose joint structure interconnect, loose joint structure is including loose joint screw rod (21) and set up loose joint nut (22) on loose joint screw rod (21) in, go up and offer loose joint notch (23) with loose joint bolt and loose joint nut (22) looks adaptation on valve body (1), lower valve body (2) are connected through the lower extreme looks hinge of round pin axle (24) and loose joint screw rod (21).
2. The novel fluorine-lined butterfly valve of claim 1, wherein: the connecting bolt (16) is further sleeved with a compression spring (18) and an elastic washer (19) which are matched with each other, and the aperture of the elastic washer (19) is not smaller than the diameter of the connecting bolt (16).
3. The novel fluorine-lined butterfly valve of claim 1, wherein: the valve rod pressing sleeve (10) comprises an outer pressing sleeve (25) and an inner pressing sleeve (26) which are matched, a compression spring (18) is arranged between the outer pressing sleeve (25) and the inner pressing sleeve (26), and elastic gaskets (19) matched with the outer pressing sleeve (25) and the inner pressing sleeve (26) are further arranged at two ends of the compression spring (18).
4. The novel fluorine-lined butterfly valve of claim 1, wherein: the axial lead of going up valve rod (8), lower valve rod (9) and gag lever post (20) is in on the same straight line, and goes up the axial lead at valve rod (8) and lower valve rod (9) place and pass the central point of butterfly plate (3), go up valve rod (8), lower valve rod (9), butterfly plate (3) and gag lever post (20) and weld the mode mutual fixed connection through argon arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021387591.XU CN213039842U (en) | 2020-07-13 | 2020-07-13 | Novel fluorine-lined butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021387591.XU CN213039842U (en) | 2020-07-13 | 2020-07-13 | Novel fluorine-lined butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213039842U true CN213039842U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021387591.XU Active CN213039842U (en) | 2020-07-13 | 2020-07-13 | Novel fluorine-lined butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213039842U (en) |
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2020
- 2020-07-13 CN CN202021387591.XU patent/CN213039842U/en active Active
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