CN217559037U - Butterfly valve with good corrosion resistance - Google Patents
Butterfly valve with good corrosion resistance Download PDFInfo
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- CN217559037U CN217559037U CN202220867542.9U CN202220867542U CN217559037U CN 217559037 U CN217559037 U CN 217559037U CN 202220867542 U CN202220867542 U CN 202220867542U CN 217559037 U CN217559037 U CN 217559037U
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Abstract
The utility model relates to the field of valves, in particular to a butterfly valve with good corrosion resistance, which comprises a valve body, a valve core, a sealing plate, two rotating shafts, two sliding plates, two elastic pads and two fixing plates; two installation bins are arranged in the valve core; an opening is formed in the inner wall of each mounting bin; the two sliding plates are respectively connected with the inner walls of the two mounting bins in a sliding manner, and are respectively connected with the bottom surfaces of the mounting bins through two elastic cushions; the two sealing plates are respectively arranged on the two sliding plates, and respectively penetrate through the openings and tightly press the inner wall of the valve body; the two fixed plates are respectively arranged on the valve core; the two rotating shafts are respectively connected with the two fixed plates, the two rotating shafts are both rotatably arranged on the inner wall of the valve body, and one of the rotating shafts penetrates out of the valve body; the valve body is provided with a rotating assembly used for rotating the rotating shaft. The utility model discloses simple structure is convenient for improve the case leakproofness, is favorable to prolonging the life of case.
Description
Technical Field
The utility model belongs to the technical field of the valve and specifically relates to a butterfly valve that corrosion resistance is good.
Background
The butterfly valve is a regulating valve with simple structure, also called a flap valve, and the butterfly valve used for on-off control of low-pressure pipeline media is characterized in that a closing part is a disc, and the closing part rotates around a valve shaft to achieve the opening and closing of the valve.
Chinese patent with grant publication No. CN214889020U discloses an anti-wear and corrosion-resistant butterfly valve, including the butterfly valve body, the inner chamber of butterfly valve body is provided with first inoxidizing coating, first inoxidizing coating includes elastic layer, enhancement layer and high temperature resistant layer, the top of elastic layer is provided with the enhancement layer, the bottom of enhancement layer is provided with high temperature resistant layer, the inboard of first inoxidizing coating is provided with the second inoxidizing coating. The utility model discloses a design wearing layer, the inner chamber that can make the butterfly valve body has good wearability, the life-span of increase butterfly valve body, through designing corrosion-resistant plate, polytetrafluoroethylene has good corrosion resisting property, when making the corrosive medium flow in the butterfly valve body, can not corrode the valve body, through designing the waterproof layer, ethylene propylene diene monomer prevents that liquid from permeating the surface of butterfly valve body inner chamber in highly compressed state, further improve the life-span of butterfly valve body, thereby reach the corrosion-resistant effect that wear-resistants, the problem that current butterfly valve does not wear-resistants and corrosion resistance is poor has been solved.
However, the butterfly valve is inconvenient to protect the valve core of the butterfly valve and improve the sealing performance of the valve core, and the service life of the device is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a butterfly valve that the corrosivity is good convenient to improve case leakproofness to the problem that exists among the background art.
The technical scheme of the utility model: a butterfly valve with good corrosion resistance comprises a valve body, a valve core, a sealing plate, two rotating shafts, two sliding plates, two elastic pads and two fixing plates;
two installation bins are arranged in the valve core; an opening is formed in the inner wall of each mounting bin; the two sliding plates are respectively connected with the inner walls of the two mounting bins in a sliding manner, and are respectively connected with the bottom surfaces of the mounting bins through two elastic cushions; the two sealing plates are respectively arranged on the two sliding plates, and respectively penetrate through the openings and tightly press the inner wall of the valve body;
the two fixed plates are respectively arranged on the valve core;
the two rotating shafts are respectively connected with the two fixing plates, the two rotating shafts are both rotatably arranged on the inner wall of the valve body, and one of the rotating shafts penetrates out of the valve body; the valve body is provided with a rotating assembly used for rotating the rotating shaft.
Preferably, the sealing plate comprises a wear-resisting plate, a corrosion-resisting plate and a connecting plate; two ends of the corrosion-resistant plate are respectively connected with the wear-resistant plate and the connecting plate; the wear-resisting plate is provided with an anti-rust layer; the connecting plate is mounted on the sliding plate.
Preferably, a waterproof layer is arranged between the wear-resistant plate and the corrosion-resistant plate.
Preferably, the wear plates are provided with rounded corners.
Preferably, the connecting plate and the sliding plate are of an integrally formed structure.
Preferably, the inner wall of the valve body is provided with an annular groove.
Preferably, the inner wall of the annular groove is provided with a chamfer.
Preferably, the device also comprises a sealing cover; the sealing cover is arranged on the valve body and covers the outer side of the rotating component.
Compared with the prior art, the utility model discloses following profitable technological effect has:
a user rotates the valve core to realize the on-off of the valve body; when the valve core rotates, the sealing plate pushes the sliding plate to extrude the elastic pad, so that the sealing plate is connected with the inner wall of the valve core in a sliding mode; meanwhile, the sealing plate is pushed by the elastic pad to be tightly pressed in the annular groove under the condition that the sealing plate is worn, so that the service life of the valve core is prolonged; improve the life of closing plate through antifriction plate and corrosion-resistant plate, protect the antifriction plate by the fillet again, be convenient for improve the leakproofness of valve body.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic structural view of the middle sealing plate of the present invention.
Reference numerals: 1. a valve body; 2. a valve core; 3. a sealing cover; 4. a sealing plate; 41. a rust-proof layer; 42. a wear plate; 43. a corrosion resistant plate; 44. a connecting plate; 5. a rotating shaft; 6. a sliding plate; 7. an elastic pad; 8. and (7) fixing the plate.
Detailed Description
Example one
As shown in fig. 1-3, the butterfly valve with good corrosion resistance provided by the present invention comprises a valve body 1, a valve core 2, a sealing cover 3, a sealing plate 4, two rotating shafts 5, two sliding plates 6, two elastic pads 7 and two fixing plates 8;
two installation bins are arranged in the valve core 2; the inner wall of each mounting bin is provided with an opening; the two sliding plates 6 are respectively connected with the inner walls of the two mounting bins in a sliding manner, and the two sliding plates 6 are respectively connected with the bottom surfaces of the mounting bins through two elastic pads 7; the two sealing plates 4 are respectively arranged on the two sliding plates 6, and the two sealing plates 4 respectively penetrate through the openings and tightly press the inner wall of the valve body 1;
the two fixed plates 8 are respectively arranged on the valve core 2;
the two rotating shafts 5 are respectively connected with two fixing plates 8, the two rotating shafts 5 are both rotatably arranged on the inner wall of the valve body 1, and one rotating shaft 5 penetrates out of the valve body 1; the valve body 1 is provided with a rotating assembly for rotating the rotating shaft 5; the sealing cover 3 is arranged on the valve body 1, and the sealing cover 3 covers the outer side of the rotating assembly; the rotating assembly comprises a motor, a turbine and a holding rod and is a common structure for the rotation of the butterfly valve; the rotating assembly is protected by arranging a sealing cover 3; the inner wall of the valve body 1 is provided with an annular groove; the inner wall of the annular groove is provided with a chamfer, and the sealing plate 4 is protected by the chamfer, so that the friction force between the sealing plate 4 and the inner wall of the annular groove is reduced; the sealing plate 4 is pressed against the inner wall of the annular groove.
In the embodiment, when the valve body 1 is used, a user rotates the rotating shaft 5 through the rotating assembly, so that the valve core 2 rotates, and the valve body 1 is switched on and off; when the valve core 2 rotates, the sealing plate 4 pushes the sliding plate 6 to extrude the elastic pad 7, so that the sealing plate 4 is connected with the inner wall of the valve core 2 in a sliding mode, and when the sealing plate 4 rotates to the annular groove, the elastic pad 7 pushes the sliding plate 6 and the sealing plate 4 to move, so that the sealing plate 4 is clamped in the annular groove, and the sealing performance of the valve core 2 is improved; meanwhile, the sealing plate 4 is pushed by the elastic pad 7, so that the sealing plate 4 is tightly pressed in the annular groove under the condition that the sealing plate 4 is abraded, and the service life of the valve core 2 is prolonged.
Example two
As shown in fig. 1-4, the butterfly valve with good corrosion resistance provided by the present invention comprises a valve body 1, a valve core 2, a sealing cover 3, a sealing plate 4, two rotating shafts 5, two sliding plates 6, two elastic pads 7 and two fixing plates 8;
two installation bins are arranged in the valve core 2; an opening is formed in the inner wall of each mounting bin; the two sliding plates 6 are respectively connected with the inner walls of the two mounting bins in a sliding manner, and the two sliding plates 6 are respectively connected with the bottom surfaces of the mounting bins through two elastic pads 7; the two sealing plates 4 are respectively arranged on the two sliding plates 6, and the two sealing plates 4 respectively penetrate through the openings and tightly press the inner wall of the valve body 1;
the two fixed plates 8 are respectively arranged on the valve core 2; the two rotating shafts 5 are respectively connected with two fixing plates 8, the two rotating shafts 5 are both rotatably arranged on the inner wall of the valve body 1, and one rotating shaft 5 penetrates out of the valve body 1; the valve body 1 is provided with a rotating assembly for rotating the rotating shaft 5; the sealing cover 3 is arranged on the valve body 1, and the sealing cover 3 covers the outer side of the rotating assembly; the rotating assembly comprises a motor, a turbine and a holding rod and is a common structure for the rotation of the butterfly valve; the rotating assembly is protected by arranging a sealing cover 3; the inner wall of the valve body 1 is provided with an annular groove; the inner wall of the annular groove is provided with a chamfer, and the sealing plate 4 is protected by the chamfer, so that the friction force between the sealing plate 4 and the inner wall of the annular groove is reduced; the sealing plate 4 is pressed against the inner wall of the annular groove. The seal plate 4 comprises a wear plate 42, a corrosion resistant plate 43 and a connection plate 44; the two ends of the corrosion-resistant plate 43 are respectively connected with the wear-resistant plate 42 and the connecting plate 44; the wear-resisting plate 42 is provided with an antirust layer 41, a waterproof layer is arranged between the wear-resisting plate 42 and the corrosion-resisting plate 43, and the corrosion-resisting plate 43 is primarily protected by the waterproof layer; the wear-resisting plate 42 is provided with the round angle, the wear-resisting plate 42 is protected by the round angle, the wear-resisting plate 42 is further protected, and the service life of the wear-resisting plate 42 is prolonged; the connecting plate 44 is installed on the sliding plate 6, and an integrally formed structure is formed between the connecting plate 44 and the sliding plate 6, so that the integrally formed connecting plate 44 is connected with the sliding plate 6 more firmly, and the service life of the connecting plate 44 and the sliding plate 6 is prolonged.
In the embodiment, when the valve is used, a user rotates the rotating shaft 5 through the rotating assembly, so that the valve core 2 rotates, and the valve body 1 is switched on and off; the elastic pad 7 pushes the sliding plate 6 and the sealing plate 4 to move, so that the sealing plate 4 is clamped in the annular groove, and the sealing performance of the valve core 2 is improved; under the condition that the sealing plate 4 is worn, the sealing plate 4 is tightly pressed in the annular groove, so that the service life of the valve core 2 is prolonged; the service life of the sealing plate 4 is prolonged by the wear-resistant plate 42 and the corrosion-resistant plate 43, and the wear-resistant plate 42 is protected by the fillet, so that the sealing performance of the valve body is improved conveniently.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A butterfly valve with good corrosion resistance is characterized by comprising a valve body (1), a valve core (2), a sealing plate (4), two rotating shafts (5), two sliding plates (6), two elastic pads (7) and two fixing plates (8);
two mounting bins are arranged in the valve core (2); an opening is formed in the inner wall of each mounting bin; the two sliding plates (6) are respectively connected with the inner walls of the two mounting bins in a sliding manner, and the two sliding plates (6) are respectively connected with the bottom surfaces of the mounting bins through two elastic pads (7); the two sealing plates (4) are respectively arranged on the two sliding plates (6), and the two sealing plates (4) respectively penetrate through the openings and tightly press the inner wall of the valve body (1);
the two fixed plates (8) are respectively arranged on the valve core (2);
the two rotating shafts (5) are respectively connected with the two fixing plates (8), the two rotating shafts (5) are rotatably arranged on the inner wall of the valve body (1), and one rotating shaft (5) penetrates out of the valve body (1); the valve body (1) is provided with a rotating component for rotating the rotating shaft (5).
2. A butterfly valve with good corrosion protection according to claim 1, characterised in that the sealing plate (4) comprises a wear plate (42), a corrosion resistant plate (43) and a connection plate (44); two ends of the corrosion-resistant plate (43) are respectively connected with a wear-resistant plate (42) and a connecting plate (44); the wear-resisting plate (42) is provided with an anti-rust layer (41); the connecting plate (44) is mounted on the sliding plate (6).
3. A butterfly valve with improved corrosion protection according to claim 2, characterised in that a waterproof layer is provided between the wear plate (42) and the corrosion resistant plate (43).
4. A butterfly valve with improved corrosion protection according to claim 2, in which the wear plate (42) is provided with rounded corners.
5. The butterfly valve with good corrosion resistance according to claim 2, wherein the connecting plate (44) and the sliding plate (6) are integrally formed.
6. A butterfly valve with good corrosion resistance according to claim 1, characterized in that the inner wall of the valve body (1) is provided with an annular groove.
7. The butterfly valve of claim 6, wherein the inner wall of the annular groove is chamfered.
8. The butterfly valve with good corrosion resistance according to claim 1, further comprising a sealing cover (3); the sealing cover (3) is arranged on the valve body (1), and the sealing cover (3) covers the outer side of the rotating component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220867542.9U CN217559037U (en) | 2022-04-15 | 2022-04-15 | Butterfly valve with good corrosion resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220867542.9U CN217559037U (en) | 2022-04-15 | 2022-04-15 | Butterfly valve with good corrosion resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217559037U true CN217559037U (en) | 2022-10-11 |
Family
ID=83470904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220867542.9U Active CN217559037U (en) | 2022-04-15 | 2022-04-15 | Butterfly valve with good corrosion resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217559037U (en) |
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2022
- 2022-04-15 CN CN202220867542.9U patent/CN217559037U/en active Active
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