CN216519635U - Anti-corrosion butterfly valve - Google Patents
Anti-corrosion butterfly valve Download PDFInfo
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- CN216519635U CN216519635U CN202122780868.6U CN202122780868U CN216519635U CN 216519635 U CN216519635 U CN 216519635U CN 202122780868 U CN202122780868 U CN 202122780868U CN 216519635 U CN216519635 U CN 216519635U
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Abstract
The utility model provides an anti-corrosion butterfly valve which comprises a valve body, wherein a shaft sleeve is installed at the upper end of the valve body, an anti-corrosion lining layer is arranged on the inner wall of the valve body, a valve core is arranged inside the anti-corrosion lining layer, a valve rod is installed inside the valve core, and the valve rod is installed inside the shaft sleeve in an inserting mode. The utility model provides an anticorrosive butterfly valve, add at the middle part of valve body and case and establish anticorrosive lining, reduce the case through anticorrosive lining and rotate the friction of in-process and valve body, the loss that avoids the friction to produce makes anticorrosive coating on valve body and the case receive the damage, and anticorrosive lining is fiber reinforced plastic one shot forming, increase the corrosion resistance of valve body in the use, and be equipped with the recess through the inner wall at the valve body, and the outer wall of anticorrosive lining is equipped with first arch, it is stable to be convenient for increase the installation of welt through first arch and recess, avoid the welt to appear the installation dislocation along with the rotation of case.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to an anticorrosive butterfly valve.
Background
The butterfly valve can be applied to pipelines requiring complete sealing, zero gas test leakage and working temperature control of-10 to 150 ℃ for fresh water, seawater, sewage, steam, food, medicine, oil products and various corrosive liquids, the general fluorine-lined butterfly valve in the market generally adopts a central sealing structure, under the corrosive working condition, the sealing of the shaft hole of the fluorine-lined valve body and the output shafts at two ends of the butterfly plate is often difficult to design, the problems of poor wear resistance, insufficient sealing pressure, easy leakage and the like often occur,
in the use process of the existing butterfly valve, an inner cavity of the butterfly valve is located in a medium, so that a valve body and a valve plate are easily corroded by the medium in the long-term use process, the sealing performance of the valve is reduced, the service life of the valve is shortened, the pressure resistance of the valve body of the butterfly valve is reduced due to the corrosion, safety accidents occur, and the environment is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anticorrosive butterfly valve, which relieves the abrasion and corrosion of the traditional butterfly valve in the long-term use process and prolongs the service life of the butterfly valve.
The embodiment of the utility model is realized by the following steps:
the embodiment of the utility model provides an anti-corrosion butterfly valve which comprises a valve body, wherein a shaft sleeve is installed at the upper end of the valve body, an anti-corrosion lining layer is arranged on the inner wall of the valve body, a valve core is arranged inside the anti-corrosion lining layer, a valve rod is installed inside the valve core, and the valve rod is installed inside the shaft sleeve in an inserting mode.
Optionally, the valve body includes a flow channel, flanges are installed on two sides of the flow channel, and a groove and a rotation hole are formed in the inner wall of the flow channel.
Optionally, the valve core comprises a valve plate, a mounting hole is formed in the middle of the valve plate, rotating grooves are formed in the outer sides of two ends of the mounting hole, and positioning holes are formed in the side face of the valve plate.
Optionally, the anticorrosive lining includes the welt, the outer wall of welt is equipped with first arch, first arch and recess gomphosis installation, just the inside of welt is equipped with the second arch, the second is protruding to be installed with the gomphosis of rotation groove, the both sides of welt are equipped with the third arch.
Optionally, the valve rod includes the head rod, the upper end fixed mounting of head rod has the hand wheel, the bottom of head rod is connected with the second connecting rod, and the bottom of second connecting rod is connected with the spring, the bottom of spring is connected with the locating lever, head rod and second connecting rod are L dress dislocation joint, just the mid-mounting of head rod and second connecting rod has the bolt.
Optionally, the valve plate is in sliding contact with the inner wall of the lining plate, and the surface of the valve plate is provided with an anti-corrosion coating.
The embodiment of the utility model has the beneficial effects that: the embodiment of the utility model provides an anti-corrosion butterfly valve, wherein an anti-corrosion lining layer is additionally arranged in the middle of a valve body and a valve core, friction between the valve core and the valve body in the rotating process is reduced through the anti-corrosion lining layer, the valve body and an anti-corrosion coating on the valve core are prevented from being damaged due to loss caused by friction, the anti-corrosion lining layer is formed by fiber reinforced plastics in one step, the corrosion resistance of the valve body in the using process is improved, a groove is formed in the inner wall of the valve body, a first bulge is formed in the outer wall of the anti-corrosion lining layer, the installation stability of a lining plate is improved conveniently through the first bulge and the groove, and the lining plate is prevented from being installed in a staggered mode along with the rotation of the valve core.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of an anti-corrosion butterfly valve according to the present invention;
FIG. 2 is an exploded view of a corrosion-resistant butterfly valve according to the present invention;
FIG. 3 is a schematic view of a structural valve body of an anti-corrosion butterfly valve according to the present invention;
FIG. 4 is a schematic view of a structural valve core of an anti-corrosion butterfly valve according to the present invention;
FIG. 5 is a schematic view of a structural corrosion-resistant lining layer of the corrosion-resistant butterfly valve of the present invention;
FIG. 6 is a schematic view of a structural valve rod of the corrosion-resistant butterfly valve.
Icon: 1. a valve body; 11. a flow channel; 12. a flange; 13. a shaft sleeve; 14. a groove; 15. rotating the hole; 2. a valve core; 21. a valve plate; 22. mounting holes; 23. a rotating groove; 24. positioning holes; 3. an anticorrosive lining layer; 31. a liner plate; 32. a first protrusion; 33. a second protrusion; 34. a third protrusion; 4. a valve stem; 41. a hand wheel; 42. a first connecting rod; 43. a second connecting rod; 44. a spring; 45. a bolt; 46. and (5) positioning the rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 6, an embodiment of the utility model provides an anti-corrosion butterfly valve, which comprises a valve body 1, wherein a shaft sleeve 13 is installed at the upper end of the valve body 1, an anti-corrosion lining layer 3 is arranged on the inner wall of the valve body 1, a valve core 2 is arranged inside the anti-corrosion lining layer 3, a valve rod 4 is installed inside the valve core 2, the valve rod 4 is installed inside the shaft sleeve 13 in an inserting manner, the anti-corrosion lining layer 3 is additionally installed in the middle of the valve body 1 and the valve core 2, abrasion between the valve body 1 and the valve core 2 is reduced through the anti-corrosion lining layer 3, an anti-corrosion coating on the valve body 1 and the valve core 2 is protected conveniently, and the corrosion resistance and the rigidity of the anti-corrosion lining layer 3 per se improve the corrosion resistance and the strength of the device.
The valve body 1 comprises a flow channel 11, flanges 12 are installed on two sides of the flow channel 11, a groove 14 and a rotating hole 15 are formed in the inner wall of the flow channel 11, the tightness of the valve core 2 and the corrosion-resistant lining layer 3 in the installation process is increased due to the arrangement of the groove 14 and the rotating hole 15, and sealing between devices is facilitated.
The valve core 2 comprises a valve plate 21, a mounting hole 22 is formed in the middle of the valve plate 21, rotating grooves 23 are formed in the outer sides of two ends of the mounting hole 22, positioning holes 24 are formed in the side face of the valve plate 21, the mounting hole 22 is convenient to flexibly mount the valve rod 4, the valve rod 4 is convenient to mount and dismount in the valve core 2, and the device is convenient to separately overhaul and replace parts.
Valve rod 4 includes head rod 42, head rod 42's upper end fixed mounting has hand wheel 41, head rod 42's bottom is connected with second connecting rod 43, and the bottom of second connecting rod 43 is connected with spring 44, spring 44's bottom is connected with locating lever 46, head rod 42 and second connecting rod 43 are L dress dislocation joint, and the mid-mounting of head rod 42 and second connecting rod 43 has bolt 45, valve rod 4 connects head rod 42 and second connecting rod 43 through bolt 45, be convenient for install and dismantle valve rod 4, and the bottom of second connecting rod 43 is connected with spring 44 and locating lever 46, be convenient for increase valve rod 4 the installation stability inside case 2 through spring 44's compression, it is not hard up to avoid case 2 to appear.
The valve plate 21 is in sliding contact with the inner wall of the lining plate 31, an anti-corrosion coating is arranged on the surface of the valve plate 21, the valve plate 21 rotates on the inner wall of the lining plate 31, the valve plate 21 is prevented from being directly in contact friction with the valve body 1, and the device is prevented from being damaged.
It should be noted that, the present invention is an anticorrosion butterfly valve, the butterfly valve itself is connected with a pipeline through a flange 12, the flow rate is controlled in the rotation process of the valve core 2 inside the valve body 1, and the anticorrosion lining layer 3 slides and connects the valve core 2 and the valve body 1 in the rotation process of the valve core 2, so as to reduce the rotation friction loss of the valve body 1 and the valve core 2 and ensure the corrosion resistance of the butterfly valve.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an anticorrosive butterfly valve, includes valve body (1), its characterized in that: the anti-corrosion valve is characterized in that a shaft sleeve (13) is installed at the upper end of the valve body (1), an anti-corrosion lining layer (3) is arranged on the inner wall of the valve body (1), a valve core (2) is arranged inside the anti-corrosion lining layer (3), a valve rod (4) is installed inside the valve core (2), and the valve rod (4) is installed inside the shaft sleeve (13) in an inserting mode.
2. An anti-corrosion butterfly valve according to claim 1, characterized in that: the valve body (1) comprises a flow channel (11), flanges (12) are installed on two sides of the flow channel (11), and a groove (14) and a rotating hole (15) are formed in the inner wall of the flow channel (11).
3. An anti-corrosion butterfly valve according to claim 1, characterized in that: the valve core (2) comprises a valve plate (21), a mounting hole (22) is formed in the middle of the valve plate (21), rotating grooves (23) are formed in the outer sides of two ends of the mounting hole (22), and positioning holes (24) are formed in the side face of the valve plate (21).
4. An anti-corrosion butterfly valve according to claim 3, characterized in that: anticorrosive lining (3) include welt (31), the outer wall of welt (31) is equipped with first arch (32), first arch (32) and recess (14) gomphosis installation, just the inside of welt (31) is equipped with second arch (33), second arch (33) and rotation groove (23) gomphosis installation, the both sides of welt (31) are equipped with third arch (34).
5. An anti-corrosion butterfly valve according to claim 1, characterized in that: valve rod (4) include head rod (42), the upper end fixed mounting of head rod (42) has hand wheel (41), the bottom of head rod (42) is connected with second connecting rod (43), and the bottom of second connecting rod (43) is connected with spring (44), the bottom of spring (44) is connected with locating lever (46), head rod (42) and second connecting rod (43) are L dress dislocation joint, just the mid-mounting of head rod (42) and second connecting rod (43) has bolt (45).
6. An anti-corrosion butterfly valve according to claim 4, characterized in that: the valve plate (21) is in sliding contact with the inner wall of the lining plate (31), and the surface of the valve plate (21) is provided with an anti-corrosion coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122780868.6U CN216519635U (en) | 2021-11-15 | 2021-11-15 | Anti-corrosion butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122780868.6U CN216519635U (en) | 2021-11-15 | 2021-11-15 | Anti-corrosion butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216519635U true CN216519635U (en) | 2022-05-13 |
Family
ID=81528342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122780868.6U Active CN216519635U (en) | 2021-11-15 | 2021-11-15 | Anti-corrosion butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216519635U (en) |
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2021
- 2021-11-15 CN CN202122780868.6U patent/CN216519635U/en active Active
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