CN219639464U - Eccentric flange butterfly valve - Google Patents
Eccentric flange butterfly valve Download PDFInfo
- Publication number
- CN219639464U CN219639464U CN202320840722.2U CN202320840722U CN219639464U CN 219639464 U CN219639464 U CN 219639464U CN 202320840722 U CN202320840722 U CN 202320840722U CN 219639464 U CN219639464 U CN 219639464U
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- Prior art keywords
- valve
- fixedly connected
- flange
- connecting flange
- butterfly valve
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 19
- 238000012856 packing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 7
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses an eccentric flange butterfly valve which comprises a valve body, wherein a limiting block is fixedly connected to the middle position of the inner wall of the valve body, a valve rod nut penetrates through and is fixedly connected to the middle position of the top of the valve body, a second connecting flange is fixedly connected to the top of the valve rod nut, a first connecting flange is arranged at the top of the second connecting flange, nuts which are uniformly distributed are arranged on the periphery of the bottom of the second connecting flange, and second fixing bolts which are uniformly distributed are arranged on the periphery of the top of the first connecting flange. According to the utility model, the limiting block is arranged in the valve body, when the butterfly valve is in a closed state, the sealing performance of the valve body can be improved through the contact between the limiting block and the limiting plate and the valve clack, the occurrence of water leakage is avoided, and meanwhile, the valve clack can have self-locking capability through the arrangement of the worm gear reducer, so that the valve clack cannot deviate due to the influence of water pressure.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to an eccentric flange butterfly valve.
Background
The flange butterfly valve is used for water supply and drainage, and the gas pipeline is used as a flow regulating and intercepting medium. The butterfly plate of butterfly valve is installed in the diameter direction of pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, the rotation angle is between 0 and 90 degrees, when the butterfly valve rotates to 90 degrees, the valve is in a full-open state, the operation is simple, and meanwhile, the flange-type butterfly valve has good fluid control.
The current flange butterfly valve is at the in-process of long-time use, causes the valve leakproofness inadequately easily, leads to the valve to appear leaking the phenomenon, simultaneously, because the change of pressure can lead to the valve clack to warp for the phenomenon of rotation appears in the valve clack, can lead to the fact the damage to the valve, so need improve current butterfly valve.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an eccentric flange butterfly valve.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an eccentric flange butterfly valve, includes the valve body, the inner wall intermediate position fixedly connected with stopper of valve body, the top intermediate position of valve body runs through and fixedly connected with valve rod nut, the top fixedly connected with second flange of valve rod nut, the top of second flange is provided with first flange, the bottom of second flange is provided with evenly distributed's nut all around, the top of first flange is provided with evenly distributed's second fixing bolt all around, the top left and right sides intermediate position fixedly connected with spliced pole of first flange, the top fixedly connected with connecting block of spliced pole, the top of connecting block is provided with worm gear reducer, the bottom of connecting block is provided with evenly distributed's first fixing bolt all around, the output fixedly connected with valve rod of worm gear reducer, the front end fixedly connected with fixed block of valve rod, the left side outer wall fixedly connected with valve clack of fixed block, the left side outer wall of valve clack is provided with the sealing washer, the left side outside of sealing washer is provided with the limiting plate, the top intermediate position of second flange and the slip joint cover have the second and the slip joint cover, the top of third screw thread cover is connected with the top fixedly connected with the third screw thread cover.
As a further description of the above technical solution:
the second fixing bolts penetrate through the first connecting flange and are in threaded connection with the nuts.
As a further description of the above technical solution:
the front end of the first fixing bolt penetrates through the connecting block and is in threaded connection with the worm gear reducer.
As a further description of the above technical solution:
and a hand wheel is arranged on the outer wall of the worm gear reducer.
As a further description of the above technical solution:
the outer wall of the valve rod penetrates through the valve rod nut and is in threaded connection with the valve rod nut.
As a further description of the above technical solution:
the front end of the valve rod penetrates through the connecting block, the first connecting flange, the second connecting flange, the filling cover plate, the filling pressing sleeve and the valve body and is connected in a rotating mode.
As a further description of the above technical solution:
the left side outer wall of limiting plate runs through and sliding connection has evenly distributed's stop bolt, and stop bolt's front end runs through valve clack and threaded connection.
The utility model has the following beneficial effects:
according to the utility model, firstly, through the limiting block arranged in the valve body, when the butterfly valve is in a closed state, the sealing performance of the valve body can be improved through the contact between the limiting block and the limiting plate and the valve clack, the occurrence of water leakage is avoided, and meanwhile, through the arrangement of the worm gear reducer, the valve clack has self-locking capability, and the occurrence of deviation phenomenon of the valve clack caused by the influence of water pressure is avoided.
Drawings
FIG. 1 is a perspective view of an eccentric flange butterfly valve according to the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an exploded view of the internal structure of an eccentric flange butterfly valve according to the present utility model.
Legend description:
1. a valve body; 2. a first connection flange; 3. a hand wheel; 4. a worm gear reducer; 5. a connecting block; 6. a connecting column; 7. a second connection flange; 8. a nut; 9. a valve flap; 10. a limit bolt; 11. a limiting block; 12. a first fixing bolt; 13. a second fixing bolt; 14. filling a cover plate; 15. a valve stem nut; 16. a third fixing bolt; 17. a valve stem; 18. a seal ring; 19. a limiting plate; 20. a fixed block; 21. and (5) packing pressing sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, one embodiment provided by the present utility model is: an eccentric flange butterfly valve comprises a valve body 1, a limiting block 11 is fixedly connected to the middle position of the inner wall of the valve body 1, the pressure of a valve clack 9 can be reduced when the limiting block 11 is applied in the using process, a valve rod nut 15 is penetrated and fixedly connected to the middle position of the top of the valve body 1, a second connecting flange 7 is fixedly connected to the top of the valve rod nut 15, a first connecting flange 2 is arranged at the top of the second connecting flange 7, uniformly distributed nuts 8 are arranged at the periphery of the bottom of the second connecting flange 7, uniformly distributed second fixing bolts 13 are arranged at the periphery of the top of the first connecting flange 2, connecting posts 6 are fixedly connected to the middle positions of the left side and the right side of the top of the first connecting flange 2, a connecting block 5 is fixedly connected to the top of the connecting post 6, a worm gear reducer 4 is arranged at the top of the connecting block 5, the valve clack 9 has self-locking capability by adopting the worm gear reducer 4, the valve clack 9 can stay at any position, the working capacity of the butterfly valve is improved, the first fixing bolts 12 which are uniformly distributed are arranged on the periphery of the bottom of the connecting block 5, the output end of the worm gear reducer 4 is fixedly connected with the valve rod 17, the front end of the valve rod 17 is fixedly connected with the fixing block 20, the operation of the valve rod 17 drives the rotation of the fixing block 20, the left outer wall of the fixing block 20 is fixedly connected with the valve clack 9, the left outer wall of the valve clack 9 is provided with the sealing ring 18, the left outer side of the sealing ring 18 is provided with the limiting plate 19, meanwhile, the valve rod 17 and the valve body 1 are in rotary connection, the operation of the fixing block 20 drives the operation of the valve clack 9, the valve clack 9 rotates in the valve body 1, and water flow normally passes, the middle position of the top of the second connecting flange 7 is penetrated and slidably connected with a packing pressing sleeve 21, the top of the packing pressing sleeve 21 is fixedly connected with a packing cover plate 14, the middle positions of the two sides of the top of the two sides of the packing pressing sleeve are penetrated and threadedly connected with a third fixing bolt 16, the output end of the third fixing bolt 16 is in threaded connection with the second connecting flange 7, when water flow is required to be blocked, the hand wheel 3 is reversed, the steps are repeated, the valve clack 9 and the limiting block 11 are contacted, and the water flow is blocked.
The second fixing bolt 13 penetrates through the first connecting flange 2 and is in threaded connection with the nut 8, the front end of the first fixing bolt 12 penetrates through the connecting block 5 and is in threaded connection with the worm gear reducer 4, the outer wall of the worm gear reducer 4 is provided with the hand wheel 3, flanges at two ends of the valve body 1 are connected with flanges on a pipeline, when a butterfly valve needs to be opened, the hand wheel 3 is screwed, the operation of the hand wheel 3 drives the worm gear reducer 4 to operate, the outer wall of the valve rod 17 penetrates through the valve rod nut 15 and is in threaded connection with the valve rod nut 15, the front end of the valve rod 17 penetrates through the connecting block 5, the first connecting flange 2, the second connecting flange 7, the filling cover plate 14, the filling pressing sleeve 21 and the valve body 1 are in rotary connection, the left outer wall of the limiting plate 19 penetrates through and is in sliding connection with uniformly distributed limiting bolts 10, the front end of the limiting bolts 10 penetrates through the valve clack 9 and is in threaded connection, the limiting plate 19 and the valve clack 9 is made of carbon steel, and the sealing ring 18 is made of metal materials are used for the butterfly valve clack 9, and strength is enhanced to a certain extent.
Working principle: when the butterfly valve is used, the flange at the two ends of the valve body 1 is connected with the flange on the pipeline, when the butterfly valve needs to be opened, the hand wheel 3 is screwed, the operation of the hand wheel 3 drives the operation of the worm gear reducer 4, the valve rod 17 is fixedly connected with the output end of the worm gear reducer 4, the front end of the valve rod 17 is fixedly connected with the fixed block 20, the operation of the valve rod 17 drives the rotation of the fixed block 20, the valve rod 17 and the valve body 1 are in rotary connection, the operation of the fixed block 20 drives the valve clack 9, the valve clack 9 rotates in the valve body 1, water flow normally passes through, when the water flow needs to be blocked, the hand wheel 3 is reversed, the steps are repeated, the water flow is blocked, the application of the limit block 11 can reduce the pressure of the valve clack 9, meanwhile, the materials of the limit plates 19 and the limit plates 9 are carbon steel materials, the seal rings 18 are metal materials, the strength of the butterfly valve is also enhanced to a certain extent, the contact between the limit plates 19, the seal rings 18 and the valve clack 9 is enhanced, the high temperature resistance of the butterfly valve is improved, the butterfly valve clack 9 can be stopped at any position, and the butterfly valve 9 has high temperature resistance, and the butterfly valve has the self-locking capability.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. An eccentric flange butterfly valve, includes valve body (1), its characterized in that: the valve is characterized in that a limiting block (11) is fixedly connected to the middle position of the inner wall of the valve body (1), a valve rod nut (15) is fixedly connected to the middle position of the top of the valve body (1), a second connecting flange (7) is fixedly connected to the top of the valve rod nut (15), a first connecting flange (2) is arranged at the top of the second connecting flange (7), uniformly distributed nuts (8) are arranged at the periphery of the bottom of the second connecting flange (7), uniformly distributed second fixing bolts (13) are arranged at the periphery of the top of the first connecting flange (2), connecting columns (6) are fixedly connected to middle positions of the left side and the right side of the top of the first connecting flange (2), connecting blocks (5) are fixedly connected to the top of the connecting columns (6), worm gear speed reducers (4) are arranged at the top of the connecting blocks (5), first fixing bolts (12) are uniformly distributed at the periphery of the bottom of the connecting blocks, valve rods (17) are fixedly connected to the output ends of the worm gear speed reducers (4), front end fixing blocks (20) are fixedly connected to the front end fixing blocks (17), valve clacks (20) are fixedly connected to the front end fixing blocks (20), valve clacks (18) are arranged on the outer walls of the left side of the valve clacks (18), the valve clacks (18) are fixedly connected to the outer walls of the valve clacks (18), the top intermediate position of second flange (7) runs through and sliding connection has packing to press cover (21), the top fixedly connected with of packing to press cover (21) fills apron (14), both sides top both sides intermediate position run through and threaded connection have third fixing bolt (16), just threaded connection between the output of third fixing bolt (16) and second flange (7).
2. An eccentric flange butterfly valve according to claim 1, wherein: the second fixing bolts (13) penetrate through the first connecting flange (2) and are in threaded connection with the nuts (8).
3. An eccentric flange butterfly valve according to claim 1, wherein: the front end of the first fixing bolt (12) penetrates through the connecting block (5) and is in threaded connection with the worm gear reducer (4).
4. An eccentric flange butterfly valve according to claim 1, wherein: the outer wall of the worm gear reducer (4) is provided with a hand wheel (3).
5. An eccentric flange butterfly valve according to claim 1, wherein: the outer wall of the valve rod (17) penetrates through the valve rod nut (15) and is in threaded connection with the valve rod nut (15).
6. An eccentric flange butterfly valve according to claim 1, wherein: the front end of the valve rod (17) penetrates through the connecting block (5), the first connecting flange (2), the second connecting flange (7), the filling cover plate (14), the filling pressing sleeve (21) and the valve body (1) and are connected in a rotating mode.
7. An eccentric flange butterfly valve according to claim 1, wherein: the left side outer wall of limiting plate (19) runs through and sliding connection has evenly distributed spacing bolt (10), and the front end of spacing bolt (10) runs through valve clack (9) and threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320840722.2U CN219639464U (en) | 2023-04-13 | 2023-04-13 | Eccentric flange butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320840722.2U CN219639464U (en) | 2023-04-13 | 2023-04-13 | Eccentric flange butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219639464U true CN219639464U (en) | 2023-09-05 |
Family
ID=87807895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320840722.2U Active CN219639464U (en) | 2023-04-13 | 2023-04-13 | Eccentric flange butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219639464U (en) |
-
2023
- 2023-04-13 CN CN202320840722.2U patent/CN219639464U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |