CN221401705U - Leak protection butterfly valve of multilayer seal - Google Patents
Leak protection butterfly valve of multilayer seal Download PDFInfo
- Publication number
- CN221401705U CN221401705U CN202322823508.9U CN202322823508U CN221401705U CN 221401705 U CN221401705 U CN 221401705U CN 202322823508 U CN202322823508 U CN 202322823508U CN 221401705 U CN221401705 U CN 221401705U
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- valve body
- lower valve
- rotating shaft
- screw hole
- threaded rod
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- 238000007789 sealing Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a multi-layer sealed leakage-proof butterfly valve, in particular to the technical field of leakage-proof butterfly valves, which comprises a lower valve body, wherein the left end and the right end of the lower valve body are fixedly connected with connecting flanges, and an adjusting mechanism for adjusting the flow rate of liquid or gas in the lower valve body is arranged in the lower valve body; the regulating mechanism comprises a first rotating shaft arranged at the top end of the lower valve body, a second rotating shaft is fixedly arranged at the bottom end of the first rotating shaft, the bottom end of the second rotating shaft penetrates through the lower valve body and extends to the bottom end inside the lower valve body, a disc plate is arranged at the outer end of the second rotating shaft, a handle is fixedly arranged at the top end of the first rotating shaft, a limiting mechanism for fixing the first rotating shaft is arranged at the outer end of the first rotating shaft, and the limiting mechanism comprises a fixed circular plate fixedly arranged at the outer end of the first rotating shaft. The utility model not only can limit the disc plate and prevent the disc plate from rotating to influence the flow velocity when the flow velocity of liquid or gas in the lower valve body is overlarge, but also can take down the sealing ring and replace the sealing ring.
Description
Technical Field
The utility model relates to the technical field of leakage-proof butterfly valves, in particular to a multi-layer sealed leakage-proof butterfly valve.
Background
In the field of industry, in particular in the field of pipeline media transport, industrial valves are very widely used. The butterfly valve is widely applied to a gas-solid conveying pipeline system, is also called a flap valve, is a regulating valve with a simple structure, can be used for controlling the opening and closing of low-pressure pipeline media, and is a valve which is formed by rotating a closing member (a valve clack or a butterfly plate) around a valve shaft to be opened and closed, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe is mainly used for cutting and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve opening and closing piece in the valve body, so that the purpose of opening and closing or adjusting is achieved.
For example, the butterfly valve with leak protection function that provides in chinese patent application of application number 202120114321.X, including lower valve body, go up valve body and butterfly plate, the middle part on lower valve body top and the bottom fixed connection of last valve body, the through-hole has been seted up at the middle part on last valve body top, the inner wall of through-hole is interlude with the middle part of valve rod and is connected, the bottom cover of valve rod is equipped with the butterfly plate, the arc wall has all been seted up to butterfly plate both sides side, the equal fixedly connected with gasbag of inner wall of two arc wall sides, the air inlet of two gasbags is all through one of them gas transmission pipeline and the fixed intercommunication of one end of one-way air inlet nozzle, the gas outlet of two gasbags is all through the fixed intercommunication of one end of another gas transmission pipeline and one-way air outlet nozzle, this technical scheme has the butterfly valve with leak protection function, this butterfly valve is through one-way air inlet nozzle and gas transmission pipeline to the inside lets the gasbag inflation, with butterfly plate limit side and lower valve body inner wall seal, the leak protection performance of butterfly valve can be improved, and the practicality of butterfly valve is effectively improved.
However, the following problems still exist in the technical scheme: according to the technical scheme, the valve rod is rotated by the hand-held operating rod, so that the butterfly plate rotates to lower the flow velocity of liquid in the valve body, but the valve rod is not fixed in the device, when the flow velocity of liquid or gas in the pipeline is overlarge, the butterfly plate is easy to rotate, and the flow velocity of liquid or gas in the pipeline is changed.
Disclosure of utility model
Therefore, the embodiment of the utility model provides the multi-layer sealed leakage-proof butterfly valve, which not only can limit the butterfly plate and prevent the rotation of the butterfly plate from influencing the flow rate when the flow rate of liquid or gas in the lower valve body is overlarge, but also can take down the sealing ring and replace the sealing ring so as to solve the defects in the technology.
In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions: the utility model provides a leak protection butterfly valve of multilayer seal, includes the lower valve body, both ends are all fixedly connected with flange about the lower valve body, the inside adjustment mechanism that adjusts the velocity of flow of liquid or gas of lower valve body that is equipped with of lower valve body;
The regulating mechanism comprises a first rotating shaft arranged at the top end of the lower valve body, a second rotating shaft is fixedly arranged at the bottom end of the first rotating shaft, the bottom end of the second rotating shaft penetrates through the lower valve body and extends to the bottom end inside the lower valve body, a disc plate is arranged at the outer end of the second rotating shaft, and a handle is fixedly arranged at the top end of the first rotating shaft, so that the flow rate of liquid or gas inside the lower valve body can be regulated;
the outer end of the first rotating shaft is provided with a limiting mechanism for fixing the first rotating shaft.
Further, stop gear includes fixed plectane of fixed mounting at first pivot outer end, a plurality of first screw holes have been seted up to fixed plectane inside, the second screw hole has been seted up on lower valve body top, the inside threaded connection of second screw hole has first threaded rod, first threaded rod top runs through the second screw hole and extends first threaded hole top, first threaded hole passes through threaded connection with first threaded rod, can fix first pivot.
Further, the top end of the first threaded rod is fixedly provided with a first nut, and the first threaded rod can be driven to rotate.
Further, the bottom end of the second rotating shaft is fixedly provided with a ball, the bottom end of the ball penetrates through the lower valve body and extends into the lower valve body, and the ball can slide at the bottom end of the lower valve body, so that the second rotating shaft is convenient to rotate.
Further, two sealing rings are arranged in the lower valve body, the two sealing rings are respectively positioned at the front end and the rear end of the disc plate, and fixing mechanisms for fixing the sealing rings are respectively arranged at the front end and the rear end of the lower valve body; the fixed establishment is including two third screw holes that both ends were seted up around the lower valve body, two the fourth screw hole has all been seted up to the one end that the sealing washer kept away from mutually, third screw hole inside threaded connection has the second threaded rod, two the one end that the second threaded rod is close to mutually all runs through the third screw hole and extends to inside the fourth screw hole, the second threaded rod passes through threaded connection with the fourth screw hole, can fix the sealing washer, convenient replacement.
Further, two the one end that the third screw hole kept away from mutually is all fixed and is equipped with the second nut, can drive the second threaded rod and rotate.
Further, two the connecting flange is kept away from the one end all fixedly and is equipped with the rubber circle, increases the leakproofness.
In the technical scheme, the utility model has the technical effects and advantages that:
1. In order to prevent the disc plate from rotating, the first nut is rotated, the first nut can drive the first threaded rod to rotate, the first threaded rod is inserted into the second threaded hole through the first threaded hole, and therefore the disc plate can be limited, and the phenomenon that the rotation of the disc plate affects the flow rate when the flow rate of liquid or gas in the lower valve body is overlarge is prevented;
2. When the sealing ring is subjected to abrasion tightness reduction, the sealing ring is replaced, the second nut is rotated, the second nut can drive the second threaded rod to rotate, the second threaded rod is rotated out of the fourth threaded hole, and therefore the sealing ring can be taken down to replace the sealing ring.
3. The lower valve body 1 is connected to a pipeline through the connecting flange 2, a rubber ring 7 is arranged at one end of the connecting flange 2, and the rubber ring 7 can increase the tightness and avoid leakage.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.
FIG. 1 is a front view of the present utility model;
FIG. 2 is a schematic view of the structure of the adjusting mechanism and the limiting mechanism of the present utility model;
FIG. 3 is a schematic structural view of the fixing mechanism of the present utility model;
FIG. 4 is a rear view of the present utility model;
FIG. 5 is a schematic view of a rotating structure of a disk plate according to the present utility model.
Reference numerals illustrate:
The valve comprises a lower valve body 1, a connecting flange 2, an adjusting mechanism 3, a first rotating shaft 301, a second rotating shaft 302, a disc plate 303, balls 304, a handle 305, a limiting mechanism 4, a fixed circular plate 401, a first threaded hole 402, a second threaded hole 403, a first threaded rod 404, a first nut 405, a sealing ring 5, a fixing mechanism 6, a third threaded hole 601, a fourth threaded hole 602, a second threaded rod 603, a second nut 604 and a rubber ring 7.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, 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.
The utility model provides a multi-layer sealed leakage-proof butterfly valve as shown in figures 1-5, which comprises a lower valve body 1, wherein the left end and the right end of the lower valve body 1 are fixedly connected with connecting flanges 2, the inside of the lower valve body 1 is provided with an adjusting mechanism 3 for adjusting the flow rate of liquid or gas in the lower valve body 1, and rubber rings 7 are fixedly arranged at the ends, far away from the connecting flanges 2, of the adjusting mechanism 3;
As shown in fig. 2, the adjusting mechanism 3 includes a first rotating shaft 301 disposed at the top end of the lower valve body 1, a second rotating shaft 302 is fixedly disposed at the bottom end of the first rotating shaft 301, the bottom end of the second rotating shaft 302 penetrates through the lower valve body 1 and extends to the bottom end inside the lower valve body 1, a disc plate 303 is disposed at the outer end of the second rotating shaft 302, a handle 305 is fixedly disposed at the top end of the first rotating shaft 301, a ball 304 is fixedly disposed at the bottom end of the second rotating shaft 302, and the bottom end of the ball 304 penetrates through the lower valve body 1 and extends to the bottom end inside the lower valve body 1, and the ball 304 can slide at the bottom end inside the lower valve body 1;
The lower valve body 1 is connected to a pipeline through the connecting flange 2, the rubber ring 7 is arranged at one end of the connecting flange 2, the sealing performance can be increased by the rubber ring 7, leakage is avoided, when the flow rate of liquid or gas in the lower valve body 1 needs to be regulated, the handle 305 is rotated, the first rotating shaft 301 is arranged at the bottom end of the handle 305 in a fixed mode, the handle 305 can drive the first rotating shaft 301 to rotate, the second rotating shaft 302 is arranged at the bottom end of the first rotating shaft 301 in a fixed mode, the disc plate 303 is fixedly arranged at the outer end of the second rotating shaft 302, the disc plate 303 can be driven to rotate by utilizing the rotation of the first rotating shaft 301, and the flow rate of the liquid or gas in the lower valve body 1 can be regulated by regulating the rotation direction of the disc plate 303.
As shown in fig. 2, the outer end of the first rotating shaft 301 is provided with a limiting mechanism 4 for fixing the first rotating shaft 301, the limiting mechanism 4 comprises a fixed circular plate 401 fixedly installed at the outer end of the first rotating shaft 301, a plurality of first threaded holes 402 are formed in the fixed circular plate 401, a second threaded hole 403 is formed in the top end of the lower valve body 1, a first threaded rod 404 is connected with the inside threads of the second threaded hole 403, the top end of the first threaded rod 404 penetrates through the second threaded hole 403 and extends out of the top end of the first threaded hole 402, the first threaded hole 402 is connected with the first threaded rod 404 through threads, and a first nut 405 is fixedly arranged at the top end of the first threaded rod 404;
In order to prevent that the liquid or gas velocity of flow of the inside of lower valve body 1 is too big, when dish board 303 takes place to rotate, rotate first nut 405, first threaded rod 404 top is fixed to be equipped with first nut 405, first nut 405 can drive first threaded rod 404 and rotate, a plurality of first screw holes 402 have been seted up to fixed plectane 401 inside, the second screw hole 403 has been seted up on lower valve body 1 top, insert first threaded rod 404 inside second screw hole 403 through first screw hole 402, second screw hole 403 internal thread connection has first threaded rod 404, first screw hole 402 passes through threaded connection with first threaded rod 404, thereby just can carry out spacingly to fixed plectane 401, fixed plectane 401 internal fixation is equipped with first pivot 301, thereby can carry out spacingly to dish board 303, when preventing that the inside liquid or gas velocity of flow of lower valve body 1 is too big, dish board 303 gyration influences the velocity.
As shown in fig. 3, two sealing rings 5 are provided inside the lower valve body 1, the two sealing rings 5 are respectively located at the front end and the rear end of the dish plate 303, and the front end and the rear end of the lower valve body 1 are respectively provided with a fixing mechanism 6 for fixing the sealing rings 5; the fixing mechanism 6 comprises two third threaded holes 601 formed in the front end and the rear end of the lower valve body 1, fourth threaded holes 602 are formed in the ends, far away from each other, of the two sealing rings 5, a second threaded rod 603 is connected to the inner threads of the third threaded holes 601, the ends, close to each other, of the two second threaded rods 603 penetrate through the third threaded holes 601 and extend into the fourth threaded holes 602, the second threaded rods 603 are connected with the fourth threaded holes 602 through threads, and second nuts 604 are fixedly arranged at the ends, far away from each other, of the two third threaded holes 601;
When the abrasion tightness of the sealing ring 5 is reduced, the sealing ring 5 is replaced, the second nut 604 is rotated, the second nut 604 is fixedly arranged at the end, away from the two third threaded holes 601, of each sealing ring, the second nut 604 can drive the second threaded rod 603 to rotate, the fourth threaded holes 602 are respectively formed in the end, away from the two sealing rings 5, of each sealing ring, the second threaded rod 603 is rotated out of the fourth threaded holes 602, accordingly the sealing ring 5 can be taken down, the sealing ring 5 is replaced, when a new sealing ring 5 is replaced, the second nut 604 is rotated again, the second threaded rod 603 is rotated into the fourth threaded holes 602 in the sealing ring 5, and the sealing ring 5 is fixed.
While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides a leak protection butterfly valve of multilayer seal, includes lower valve body (1), its characterized in that: the left end and the right end of the lower valve body (1) are fixedly connected with connecting flanges (2), and an adjusting mechanism (3) for adjusting the flow rate of liquid or gas in the lower valve body (1) is arranged in the lower valve body (1);
The adjusting mechanism (3) comprises a first rotating shaft (301) arranged at the top end of the lower valve body (1), a second rotating shaft (302) is fixedly arranged at the bottom end of the first rotating shaft (301), the bottom end of the second rotating shaft (302) penetrates through the lower valve body (1) and extends to the bottom end inside the lower valve body (1), a disc plate (303) is arranged at the outer end of the second rotating shaft (302), and a handle (305) is fixedly arranged at the top end of the first rotating shaft (301);
the outer end of the first rotating shaft (301) is provided with a limiting mechanism (4) for fixing the first rotating shaft (301);
Stop gear (4) are including fixed plectane (401) of fixed mounting at first pivot (301) outer end, a plurality of first screw holes (402) have been seted up to fixed plectane (401) inside, second screw hole (403) have been seted up on lower valve body (1) top, second screw hole (403) internal thread connection has first threaded rod (404), first threaded rod (404) top runs through second screw hole (403) and extends first threaded hole (402) top, first screw hole (402) pass through threaded connection with first threaded rod (404).
2. The multi-layer sealed, leak-proof butterfly valve of claim 1, wherein: a first nut (405) is fixedly arranged at the top end of the first threaded rod (404).
3. The multi-layer sealed, leak-proof butterfly valve of claim 1, wherein: the bottom end of the second rotating shaft (302) is fixedly provided with a ball (304), the bottom end of the ball (304) penetrates through the lower valve body (1) and extends into the lower valve body (1), and the ball (304) can slide at the bottom end of the lower valve body (1).
4. The multi-layer sealed, leak-proof butterfly valve of claim 1, wherein: two sealing rings (5) are arranged in the lower valve body (1), the two sealing rings (5) are respectively positioned at the front end and the rear end of the disc plate (303), and fixing mechanisms (6) for fixing the sealing rings (5) are respectively arranged at the front end and the rear end of the lower valve body (1);
The fixed establishment (6) is including two third screw holes (601) that both ends were seted up around lower valve body (1), two fourth screw hole (602) have all been seted up to the one end that sealing washer (5) kept away from mutually, third screw hole (601) inside threaded connection has second threaded rod (603), two the one end that second threaded rod (603) is close to all runs through third screw hole (601) and extends to fourth screw hole (602) inside, second threaded rod (603) pass through threaded connection with fourth screw hole (602).
5. The multi-layer sealed, leak-proof butterfly valve of claim 4, wherein: and the second nuts (604) are fixedly arranged at the ends, far away from the third threaded holes (601).
6. The multi-layer sealed, leak-proof butterfly valve of claim 1, wherein: and rubber rings (7) are fixedly arranged at the ends, away from the connecting flanges (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322823508.9U CN221401705U (en) | 2023-10-20 | 2023-10-20 | Leak protection butterfly valve of multilayer seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322823508.9U CN221401705U (en) | 2023-10-20 | 2023-10-20 | Leak protection butterfly valve of multilayer seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221401705U true CN221401705U (en) | 2024-07-23 |
Family
ID=91935385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322823508.9U Active CN221401705U (en) | 2023-10-20 | 2023-10-20 | Leak protection butterfly valve of multilayer seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221401705U (en) |
-
2023
- 2023-10-20 CN CN202322823508.9U patent/CN221401705U/en active Active
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| GR01 | Patent grant | ||
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