CN223839760U - Fluoroplastic lining butterfly valve - Google Patents
Fluoroplastic lining butterfly valveInfo
- Publication number
- CN223839760U CN223839760U CN202520035736.6U CN202520035736U CN223839760U CN 223839760 U CN223839760 U CN 223839760U CN 202520035736 U CN202520035736 U CN 202520035736U CN 223839760 U CN223839760 U CN 223839760U
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- China
- Prior art keywords
- valve body
- butterfly
- lug
- long hole
- integral
- Prior art date
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Abstract
The utility model relates to a fluoroplastic lining butterfly valve, which relates to the technical field of valves, wherein a bushing is I-shaped, flange surfaces at two sides of the bushing are matched with two integrated side surfaces formed by an upper valve body and a lower valve body, a butterfly plate is arranged in an integrated internal cavity formed by the upper valve body and the lower valve body, a transmission shaft at the upper end of the butterfly plate penetrates through a penetrating long hole in the upper valve body and then is connected with a driving device, a fixed shaft at the lower end of the butterfly plate is arranged in a non-penetrating long hole in the lower valve body, the penetrating long hole and the non-penetrating long hole are coaxially arranged, an upper notch is integrally formed in the penetrating long hole, a lower notch is integrally formed in the non-penetrating long hole, and butterfly springs, adjusting pads and sealing rings are sequentially arranged in the upper notch and the lower notch from circumference to circle center. The device is mainly applied to pipelines with stronger corrosiveness for chemical industry, is used for closing or opening pipeline media and keeping the system to normally operate, and has the advantages of compact structure, reliable performance, tight sealing, convenient disassembly and the like.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a fluoroplastic lining butterfly valve.
Background
The fluoroplastic lining butterfly valve applied to the pipelines with stronger corrosiveness for chemical industry at present has unstable performance, easy leakage and short service life.
Disclosure of utility model
The utility model aims to overcome the defects and shortcomings of the prior art, provides a fluoroplastic lining butterfly valve which is mainly applied to pipelines with stronger corrosiveness for chemical industry, is used for closing or opening pipeline media and keeping a system to normally operate, and has the advantages of compact structure, reliable performance, tight sealing, convenience in disassembly and the like.
The utility model adopts the following technical scheme that the butterfly valve comprises a lower valve body, a butterfly plate and an upper valve body, wherein the upper valve body and the lower valve body are symmetrically buckled up and down and are fixed by bolts, an integral inner annular wall formed by the upper valve body and the lower valve body is provided with a groove, an elastic gasket is arranged in the groove, a bushing is I-shaped, flange surfaces on two sides of the bushing are matched with two side surfaces formed by the upper valve body and the lower valve body, the elastic gasket is arranged on the outer sides of the bushing and the integral matching surface, the butterfly plate is arranged in an integral inner cavity formed by the upper valve body and the lower valve body, a transmission shaft at the upper end of the butterfly plate penetrates through a penetrating long hole in the upper valve body and is connected with a driving device, a fixed shaft at the lower end of the butterfly plate is arranged in a non-penetrating long hole in the lower valve body, the penetrating long hole and the non-penetrating long hole are coaxially arranged, an upper notch is integrally formed in the penetrating long hole, and springs, an adjusting pad and a sealing ring are sequentially arranged in the upper notch and the lower notch from the circumference to the center position of the long hole.
Preferably, a boss is uniformly formed at the contact surface of the bushing and the transmission shaft at the upper end of the butterfly plate and the fixed shaft at the lower end.
Preferably, the joint of the butterfly plate and the transmission shaft at the upper end and the fixed shaft at the lower end is uniformly and integrally formed with a reinforcing boss.
Preferably, the upper end of the upper valve body is positioned at the top end of the through long hole and is integrally formed with a flange plate, the flange plate is provided with a mounting hole, and the flange plate is connected with a machine body of the driving device.
Preferably, a plurality of upper lug ribs are arranged between the outer wall of the upper valve body and the bottom of the flange plate, and upper lug holes are formed in the upper lug ribs.
Preferably, a plurality of lower lug ribs are arranged between the outer wall of the lower valve body and the lower end of the lower valve body, and lower lug holes are formed in the lower lug ribs.
Preferably, an upper lug is integrally formed on the outer wall of the bottom end of the upper valve body, a lower lug is integrally formed on the outer wall of the upper end of the lower valve body, and the upper lug and the lower lug are connected through bolts.
Preferably, the contact surface of the adjusting pad and the sealing ring is provided with a 45-degree inclined surface.
Preferably, a key slot is formed in the transmission shaft of the butterfly plate.
Compared with the prior art, the fluoroplastic lining butterfly valve has the advantages of compact structure, reliable performance, tight sealing, convenience in disassembly and the like, and is mainly applied to pipelines with strong corrosiveness for chemical industry and used for closing or opening pipeline media and keeping the system in normal operation.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a side view of the bushing of the present utility model.
Fig. 3 is a front view of the bushing of the present utility model.
Fig. 4 is a schematic view of the structure of the butterfly plate in the present utility model.
Fig. 5 is a left side view of fig. 4.
Fig. 6 is a top view of fig. 4.
Fig. 7 is a schematic view of the structure of the upper valve body in the present utility model.
Fig. 8 is a left side view of fig. 7.
Fig. 9 is a top view of fig. 7.
Reference numerals illustrate:
The valve comprises a lower valve body 1, a butterfly plate 2, a butterfly spring 3, an adjusting pad 4, a sealing ring 5, a bolt 6, an upper valve body 7, a bushing 8, an elastic pad 9, a boss 10, an upper lug 11, a lower lug 12, an upper lug hole 13, a lower lug hole 14, an upper notch 15, a lower notch 16, a reinforcing boss 17 and a key slot 18.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, in which preferred embodiments in the description are given by way of example only, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of protection of the present utility model.
As shown in fig. 1-9, the specific embodiment adopts the following technical scheme that the valve comprises a lower valve body 1, a butterfly plate 2 and an upper valve body 7; the upper valve body 7 and the lower valve body 1 are symmetrically buckled up and down and are fixed by bolts 6; the inner annular wall of the whole body formed by the upper valve body 7 and the lower valve body 1 is provided with a groove, and an elastic gasket 9 is arranged in the groove; the bushing 8 is I-shaped, flange surfaces at two sides of the bushing are matched with two integral side surfaces formed by the upper valve body 7 and the lower valve body 1, the elastic gasket 9 is arranged at the outer side of the matched surface of the bushing 8 and the integral side, so that the sealing performance of the valve is guaranteed, the butterfly plate 2 is arranged in an integral internal cavity formed by the upper valve body 7 and the lower valve body 1, a transmission shaft at the upper end of the butterfly plate 2 penetrates through a penetrating slot hole in the upper valve body 7 and then is connected with a driving device (a key slot 18 is formed on the transmission shaft of the butterfly plate 2 and is connected with the driving device through a transmission key), a fixed shaft at the lower end of the butterfly plate 2 is arranged in a non-penetrating slot hole in the lower valve body 1, the penetrating slot hole and the non-penetrating slot hole are coaxially arranged, a boss 10 is uniformly formed at the contact surface of the transmission shaft at the upper end of the butterfly plate 2 and the fixed shaft at the lower end of the butterfly plate, the sealing performance of the joint of the butterfly plate 8 and the butterfly plate 2 is guaranteed, a reinforcing boss 17 is uniformly formed at the position of the transmission shaft at the fixed shaft at the upper end and the fixed shaft at the lower end of the butterfly plate, the butterfly plate 2 is guaranteed, a through hole 16 and a notch 15 is formed in the periphery of the butterfly plate 2 and a notch 15 is formed in the butterfly plate 2, a round hole 15 is formed in the non-penetrating way, a round hole 15 is formed in the butterfly plate 15, a round hole 15 is formed in the butterfly plate 2, and a round hole 15, a round hole 15 is formed round hole 15, a round hole 15, and a round hole 15 and a round hole and a hole and a and respectively and respectively and the and respectively and the and respectively, the contact surface of the adjusting pad 4 and the sealing ring 5 is provided with a 45-degree inclined surface, the butterfly spring 3 compresses the matching of the 5,45-degree inclined surface of the sealing ring through the adjusting pad 4 to ensure the compression amount of the butterfly spring 3 for compressing the sealing ring 5 and the tightness of the valve, a flange plate is integrally formed at the top end of a penetrating long hole at the upper end of the upper valve body 7, a mounting hole is formed in the flange plate, the flange plate is connected with a machine body of the driving device, a plurality of upper lug ribs are arranged between the outer wall of the upper valve body 7 and the bottom of the flange plate, a plurality of upper lug holes 13 are formed in the upper lug ribs, a plurality of lower lug ribs are arranged between the outer wall of the lower valve body 1 and the lower end of the lower valve body, a lower lug hole 14 is formed in the lower lug ribs, the upper lug holes 13 and the lower lug holes 14 are used for connecting and positioning the butterfly valve and the pipeline flange, an upper lug 11 is integrally formed at the outer wall at the bottom end of the upper valve body 7, a lower lug 12 is integrally formed at the outer wall of the upper end of the lower valve body 1, and the upper lug 11 and the lower lug 12 are connected with the bolt 6.
Compared with the prior art, the fluoroplastic lining butterfly valve has the advantages of compact structure, reliable performance, tight sealing, convenience in disassembly and the like, and is mainly applied to pipelines with strong corrosiveness for chemical industry and used for closing or opening pipeline media and keeping the system in normal operation.
It should be understood that those skilled in the art can make modifications to the technical solutions described in the foregoing embodiments and equivalent substitutions of some technical features, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. A fluoroplastic lining butterfly valve is characterized by comprising a lower valve body (1), butterfly plates (2) and an upper valve body (7), wherein the upper valve body (7) and the lower valve body (1) are symmetrically buckled up and down and fixed by bolts (6), an integral inner annular wall formed by the upper valve body (7) and the lower valve body (1) is provided with a groove, an elastic gasket (9) is arranged in the groove, a bushing (8) is I-shaped, flange surfaces on two sides of the bushing are matched with two integral side surfaces formed by the upper valve body (7) and the lower valve body (1), the elastic gasket (9) is arranged on the outer side of the matched surface of the bushing (8) and the integral, the butterfly plates (2) are arranged in an integral inner cavity formed by the upper valve body (7) and the lower valve body (1), a transmission shaft at the upper end of each butterfly plate (2) penetrates through a through long hole in the upper valve body (7) and then is connected with a driving device, a fixed shaft at the lower end of each butterfly plate (2) is arranged in a non-through long hole in the lower valve body (1), the bushing is matched with two side surfaces of the integral side surfaces formed by the upper valve body (8) and the lower valve body (1), the elastic gasket (16) is arranged in the integral through holes, and the integral through holes are formed in the non-through holes (16) respectively, and the integral through holes are formed in the upper valve body (1), and the center of the butterfly plate (15) are formed by the integral center-shaped seal ring (15 in the butterfly valve is formed by the integral center.
2. A butterfly valve with fluoroplastic lining according to claim 1, characterized in that a boss (10) is formed uniformly at the contact surface of the bushing (8) with the transmission shaft at the upper end and the fixed shaft at the lower end of the butterfly plate (2).
3. A butterfly valve with fluoroplastic lining as claimed in claim 1, characterized in that a reinforcing boss (17) is integrally formed at the joint of the butterfly plate (2) with a transmission shaft at the upper end and a fixed shaft at the lower end.
4. The butterfly valve with fluoroplastic lining according to claim 1, wherein a flange plate is integrally formed at the upper end of the upper valve body (7) at the top end of the through long hole, a mounting hole is formed in the flange plate, and the flange plate is connected with a machine body of the driving device.
5. The fluoroplastic lining butterfly valve of claim 1, wherein a plurality of upper lug ribs are arranged between the outer wall of the upper valve body (7) and the bottom of the flange plate on the upper valve body, and upper lug holes (13) are formed in the upper lug ribs.
6. The fluoroplastic lining butterfly valve of claim 1, wherein a plurality of lower lug ribs are arranged between the outer wall of the lower valve body (1) and the lower end of the lower valve body, and lower lug holes (14) are formed in the lower lug ribs.
7. A fluoroplastic lining butterfly valve as claimed in claim 1, wherein the bottom end outer wall of said upper valve body (7) is integrally formed with an upper lug (11), the upper end outer wall of the lower valve body (1) is integrally formed with a lower lug (12), and the bolt (6) connects the upper lug (11) and the lower lug (12).
8. A fluoroplastic lining butterfly valve as claimed in claim 1, characterized in that the contact surface of said adjusting pad (4) with the sealing ring (5) is provided with a 45 DEG inclined surface.
9. The fluoroplastic lining butterfly valve of claim 1, wherein the transmission shaft of the butterfly plate (2) is provided with a key groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520035736.6U CN223839760U (en) | 2025-01-07 | 2025-01-07 | Fluoroplastic lining butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520035736.6U CN223839760U (en) | 2025-01-07 | 2025-01-07 | Fluoroplastic lining butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223839760U true CN223839760U (en) | 2026-01-27 |
Family
ID=98510666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520035736.6U Active CN223839760U (en) | 2025-01-07 | 2025-01-07 | Fluoroplastic lining butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223839760U (en) |
-
2025
- 2025-01-07 CN CN202520035736.6U patent/CN223839760U/en active Active
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| GR01 | Patent grant |