CN213899933U - Butterfly valve with good wear-resisting and corrosion-resisting effects - Google Patents
Butterfly valve with good wear-resisting and corrosion-resisting effects Download PDFInfo
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- CN213899933U CN213899933U CN202022212543.3U CN202022212543U CN213899933U CN 213899933 U CN213899933 U CN 213899933U CN 202022212543 U CN202022212543 U CN 202022212543U CN 213899933 U CN213899933 U CN 213899933U
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- butterfly valve
- butterfly
- wear
- alloy layer
- annular groove
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Abstract
The utility model discloses a wear-resisting anticorrosive effectual butterfly valve, including butterfly valve body, butterfly valve chamber, wear-resisting anticorrosive structure, butterfly valve rod and butterfly plate, the inside of butterfly valve body is provided with the butterfly valve chamber, and the inside rotation of butterfly valve chamber installs the butterfly plate to be provided with wear-resisting anticorrosive structure on the inner wall of butterfly valve chamber, be provided with the annular groove on the lateral wall of board, and the inside of annular groove is smeared with the adhesive, and the inside joint of the annular groove of adhesive one side has the polytetrafluoroethylene packing ring, the top of butterfly valve body is provided with the butterfly valve rod, the top of butterfly valve rod extend to the inside of butterfly valve chamber and with butterfly plate fixed connection, and the top of butterfly valve rod extends to the top of butterfly valve body and the welding has fixed handle. The utility model discloses not only improve the wear-resisting anticorrosive effect of butterfly valve, the life of extension butterfly valve, can adjust, convenient the butterfly valve to the length of handle and open and close the work, improved the leakproofness of butterfly valve moreover.
Description
Technical Field
The utility model relates to a butterfly valve technical field specifically is a wear-resisting anticorrosive effectual butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, belongs to one of valves for controlling the medium flowing state in a pipeline, and can be used for controlling the opening and closing of a low-pressure pipeline medium, namely a valve with a closing member being a disk and rotating around a valve shaft to open and close, and the valve can be used for controlling the flowing of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.
The butterfly valves on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.
(1) The existing butterfly valve has a relatively common wear-resisting effect, can cause wear to a valve body after long-term use, has a poor corrosion-resisting effect, and is easily corroded by corrosive liquid, so that the service life of the butterfly valve is influenced;
(2) the length of the handle of the existing butterfly valve cannot be adjusted, and particularly when the butterfly valve is installed close to a wall, the handle is very difficult to operate, so that the opening and closing work of the butterfly valve is influenced;
(3) the existing butterfly valve has poor sealing performance, and particularly after long-time use, the sealing performance of the butterfly valve is further reduced, so that the butterfly valve has a space for changing the butterfly valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a butterfly valve that wear-resisting anticorrosive effectual to the wear-resisting anticorrosive effect who provides the butterfly valve among the solution above-mentioned background art is general, the unable regulation of handle length and the not good enough problem of sealing performance.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wear-resisting effectual butterfly valve of anticorrosiveness, includes butterfly valve body, butterfly valve chamber, wear-resisting anticorrosive structure, butterfly valve rod and butterfly plate, the inside of butterfly valve body is provided with the butterfly valve chamber, and the inside rotation of butterfly valve chamber installs the butterfly plate to be provided with wear-resisting anticorrosive structure on the inner wall of butterfly valve chamber, the top of butterfly valve body is provided with the butterfly valve rod, the top of butterfly valve rod extend to the inside of butterfly valve chamber and with butterfly plate fixed connection, and the top of butterfly valve rod extends to the top of butterfly valve body and the welding has fixed handle.
Preferably, the wear-resistant and corrosion-resistant structure is internally provided with a chromium coating layer, a niobium-tantalum alloy layer and a nickel-based alloy layer in sequence, and the inner wall of the valve cavity of the butterfly valve is provided with the chromium coating layer, so that the wear resistance of the butterfly valve is enhanced.
Preferably, the inner wall of one side of the chromium-plated layer is coated with a niobium-tantalum alloy layer, the outer wall of one side of the niobium-tantalum alloy layer is coated with a nickel-based alloy layer, and the nickel-based alloy layer and the niobium-tantalum alloy layer are matched with each other, so that the valve cavity of the butterfly valve is effectively prevented from being corroded by conveyed corrosive gas or liquid.
Preferably, one side of the top end of the fixed handle is provided with a first threaded hole, and the top end of the fixed handle on one side of the first threaded hole is provided with a second threaded hole, so that the movable handle is convenient to fix.
Preferably, one side of the fixed handle is provided with a movable handle, the inside of the movable handle is provided with a cavity, one side of the top end of the movable handle is provided with a positioning bolt, and the bottom end of the positioning bolt extends to the inside of the second threaded hole and is in threaded connection with the second threaded hole, so that the length of the handle can be adjusted conveniently.
Preferably, be provided with the annular groove on the lateral wall of butterfly plate, and the inside coating of annular groove has the adhesive to the inside joint of the annular groove of adhesive one side has the polytetrafluoroethylene packing ring, and one side of polytetrafluoroethylene packing ring extends to the outside of annular groove, has improved the leakproofness of butterfly valve.
Compared with the prior art, the beneficial effects of the utility model are that: the butterfly valve with good wear-resistant and corrosion-resistant effects not only improves the wear-resistant and corrosion-resistant effects of the butterfly valve, prolongs the service life of the butterfly valve, can adjust the length of the handle, facilitates the opening and closing work of the butterfly valve, but also improves the sealing performance of the butterfly valve;
(1) the inner wall of the butterfly valve cavity is provided with the chromium coating with high hardness and low friction coefficient, so that the butterfly valve cavity has good wear resistance, and meanwhile, the niobium-tantalum alloy layer and the nickel-based alloy layer are both high corrosion resistance alloys, so that the butterfly valve cavity can be effectively prevented from being corroded by conveyed corrosive gas or liquid, the wear-resistant and corrosion-resistant effects of the butterfly valve are improved, and the service life of the butterfly valve is prolonged;
(2) by arranging the fixed handle, the movable handle, the cavity, the first threaded hole, the second threaded hole and the positioning bolt, the positioning bolt is firstly screwed out from the inside of the second threaded hole, the movable handle is pushed to one side to enable the fixed handle to be clamped into the cavity, then the positioning bolt is screwed into the inside of the first threaded hole to fix the movable handle, so that the length of the handle can be adjusted, and the opening and closing work of the butterfly valve is facilitated;
(3) through being provided with annular groove, adhesive and polytetrafluoroethylene packing ring, because be provided with annular groove on the lateral wall of butterfly plate, the inside at annular groove is fixed through the adhesive to the polytetrafluoroethylene packing ring, the polytetrafluoroethylene packing ring has certain compressibility, and the polytetrafluoroethylene packing ring is outstanding slightly in the annular groove surface simultaneously for the polytetrafluoroethylene packing ring is in close contact with the inner wall of butterfly valve chamber, and the chemical properties of polytetrafluoroethylene packing ring is stable, and corrosion resistance is stronger, and the live time also need not to change for a long time, thereby has improved the leakproofness of butterfly valve.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of a butterfly plate of the present invention in a partially cut-away and enlarged structure;
FIG. 3 is a side view of the butterfly plate of the present invention;
FIG. 4 is a schematic view of the sectional enlarged structure of the movable handle of the present invention;
fig. 5 is a schematic view of the cross-sectional structure of the wear-resistant and corrosion-resistant structure of the present invention.
In the figure: 1. a butterfly valve body; 2. a butterfly valve cavity; 3. a wear-resistant and corrosion-resistant structure; 301. a chromium plating layer; 302. a niobium tantalum alloy layer; 303. a nickel-based alloy layer; 4. a butterfly valve stem; 5. fixing a handle; 6. a movable handle; 7. a butterfly plate; 8. an annular groove; 9. a binder; 10. a polytetrafluoroethylene gasket; 11. a cavity; 12. a first threaded hole; 13. a second threaded hole; 14. and (6) positioning the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a butterfly valve with good wear-resistant and corrosion-resistant effects comprises a butterfly valve body 1, a butterfly valve cavity 2, a wear-resistant and corrosion-resistant structure 3, a butterfly valve rod 4 and a butterfly plate 7, wherein the butterfly valve cavity 2 is arranged inside the butterfly valve body 1, the butterfly plate 7 is rotatably arranged inside the butterfly valve cavity 2, and the wear-resistant and corrosion-resistant structure 3 is arranged on the inner wall of the butterfly valve cavity 2;
the wear-resistant and corrosion-resistant structure 3 is internally provided with a chromium plating layer 301, a niobium-tantalum alloy layer 302 and a nickel-based alloy layer 303 in sequence, the inner wall of the butterfly valve cavity 2 is provided with the chromium plating layer 301, the inner wall of one side of the chromium plating layer 301 is coated with the niobium-tantalum alloy layer 302, the outer wall of one side of the niobium-tantalum alloy layer 302 is coated with the nickel-based alloy layer 303, and the nickel-based alloy layer 303 and the niobium-tantalum alloy layer 302 are matched with each other;
because the chromium coating 301 is arranged on the inner wall of the butterfly valve cavity 2, the chromium coating 301 has high hardness and low friction coefficient, so that the butterfly valve cavity has good wear resistance, and meanwhile, the niobium-tantalum alloy layer 302 and the nickel-based alloy layer 303 are both high corrosion resistance alloys, so that corrosion of conveyed corrosive gas or liquid to the butterfly valve cavity 2 can be effectively prevented, the wear resistance and corrosion resistance effects of the butterfly valve are improved, and the service life of the butterfly valve is further prolonged;
an annular groove 8 is formed in the side wall of the butterfly plate 7, an adhesive 9 is coated inside the annular groove 8, a polytetrafluoroethylene gasket 10 is clamped inside the annular groove 8 on one side of the adhesive 9, and one side of the polytetrafluoroethylene gasket 10 extends to the outside of the annular groove 8, so that the sealing performance of the butterfly valve is improved;
the top of the butterfly valve body 1 is provided with a butterfly valve rod 4, the top end of the butterfly valve rod 4 extends into the butterfly valve cavity 2 and is fixedly connected with a butterfly plate 7, and the top end of the butterfly valve rod 4 extends above the butterfly valve body 1 and is welded with a fixed handle 5;
a first threaded hole 12 is formed in one side of the top end of the fixed handle 5, and a second threaded hole 13 is formed in the top end of the fixed handle 5, which is located on one side of the first threaded hole 12, so that the movable handle 6 can be conveniently fixed;
one side of fixed handle 5 is provided with movable handle 6, and the inside of movable handle 6 is provided with cavity 11 to one side on movable handle 6 top is provided with positioning bolt 14, and positioning bolt 14's bottom extends to the inside of second screw hole 13 and rather than threaded connection, is convenient for adjust the length of handle.
The working principle is as follows: when in use, firstly, the inner wall of the butterfly valve cavity 2 is provided with the chromium coating 301, the chromium coating 301 has high hardness and low friction coefficient, so that the butterfly valve cavity has good wear resistance, meanwhile, the niobium-tantalum alloy layer 302 and the nickel-based alloy layer 303 are both made of high corrosion resistance alloy, so that corrosive gas or liquid conveyed can be effectively prevented from corroding the butterfly valve cavity 2, the wear resistance and corrosion resistance effects of the butterfly valve are improved, the service life of the butterfly valve is further prolonged, then, the side wall of the butterfly plate 7 is provided with the annular groove 8, the polytetrafluoroethylene gasket 10 is fixed in the annular groove 8 through the adhesive 9, the polytetrafluoroethylene gasket 10 has certain compressibility, and meanwhile, the polytetrafluoroethylene gasket 10 slightly protrudes out of the surface of the annular groove 8, so that the polytetrafluoroethylene gasket 10 is in close contact with the inner wall of the butterfly valve cavity 2, and the chemical performance of the polytetrafluoroethylene gasket 10 is stable, the corrosion resistance is stronger, the live time also need not to change for a long time, thereby the leakproofness of butterfly valve has been improved, finally, in the use of butterfly valve, when the butterfly valve leans on the difficult rotation of the length overlength of wall installation and handle, earlier screw out from the inside of second screw hole 13 positioning bolt 14, promote movable handle 6 to one side and make fixed handle 5 card go into the inside of cavity 11, go into the inside of first screw hole 12 with positioning bolt 14 spiral shell again, fix movable handle 6, thereby can adjust the length of handle, the start-stop work of butterfly valve has been made things convenient for, accomplish the work of the butterfly valve that wear-resisting anticorrosive effectual.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a wear-resisting anticorrosive effectual butterfly valve, includes butterfly valve body (1), butterfly valve chamber (2), wear-resisting anticorrosive structure (3), butterfly valve rod (4) and butterfly plate (7), its characterized in that: the inside of butterfly valve body (1) is provided with butterfly valve chamber (2), and the inside rotation of butterfly valve chamber (2) installs butterfly plate (7) to be provided with wear-resisting anticorrosive structure (3) on the inner wall of butterfly valve chamber (2), the top of butterfly valve body (1) is provided with butterfly valve rod (4), the top of butterfly valve rod (4) extend to the inside of butterfly valve chamber (2) and with butterfly plate (7) fixed connection, and the top of butterfly valve rod (4) extend to the top of butterfly valve body (1) and the welding has fixed handle (5).
2. The butterfly valve of claim 1, wherein the butterfly valve has good wear resistance and corrosion resistance, and is characterized in that: the wear-resistant and corrosion-resistant structure (3) is internally provided with a chromium coating (301), a niobium-tantalum alloy layer (302) and a nickel-based alloy layer (303) in sequence, and the inner wall of the butterfly valve cavity (2) is provided with the chromium coating (301).
3. The butterfly valve of claim 2, wherein the butterfly valve has good wear resistance and corrosion resistance, and is characterized in that: the inner wall of one side of the chromium plating layer (301) is coated with a niobium-tantalum alloy layer (302), the outer wall of one side of the niobium-tantalum alloy layer (302) is coated with a nickel-based alloy layer (303), and the nickel-based alloy layer (303) is matched with the niobium-tantalum alloy layer (302).
4. The butterfly valve of claim 1, wherein the butterfly valve has good wear resistance and corrosion resistance, and is characterized in that: one side of the top end of the fixed handle (5) is provided with a first threaded hole (12), and the top end of the fixed handle (5) on one side of the first threaded hole (12) is provided with a second threaded hole (13).
5. The butterfly valve of claim 4, which is characterized in that: one side of the fixed handle (5) is provided with a movable handle (6), a cavity (11) is formed in the movable handle (6), a positioning bolt (14) is arranged on one side of the top end of the movable handle (6), and the bottom end of the positioning bolt (14) extends to the inside of the second threaded hole (13) and is in threaded connection with the positioning bolt.
6. The butterfly valve of claim 1, wherein the butterfly valve has good wear resistance and corrosion resistance, and is characterized in that: be provided with annular groove (8) on the lateral wall of butterfly plate (7), and the inside of annular groove (8) is paintd and is had adhesive (9) to the inside joint of annular groove (8) of adhesive (9) one side has polytetrafluoroethylene packing ring (10), and one side of polytetrafluoroethylene packing ring (10) extends to the outside of annular groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022212543.3U CN213899933U (en) | 2020-10-06 | 2020-10-06 | Butterfly valve with good wear-resisting and corrosion-resisting effects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022212543.3U CN213899933U (en) | 2020-10-06 | 2020-10-06 | Butterfly valve with good wear-resisting and corrosion-resisting effects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213899933U true CN213899933U (en) | 2021-08-06 |
Family
ID=77111768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022212543.3U Expired - Fee Related CN213899933U (en) | 2020-10-06 | 2020-10-06 | Butterfly valve with good wear-resisting and corrosion-resisting effects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213899933U (en) |
-
2020
- 2020-10-06 CN CN202022212543.3U patent/CN213899933U/en not_active Expired - Fee Related
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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: 20210806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |