CN212004299U - Butterfly valve that leakproofness is strong - Google Patents
Butterfly valve that leakproofness is strong Download PDFInfo
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- CN212004299U CN212004299U CN202020442249.9U CN202020442249U CN212004299U CN 212004299 U CN212004299 U CN 212004299U CN 202020442249 U CN202020442249 U CN 202020442249U CN 212004299 U CN212004299 U CN 212004299U
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Abstract
The utility model discloses a butterfly valve that leakproofness is strong, which comprises a valve body, the inside valve plate that is equipped with of valve body, the fixed sealing washer that is equipped with in the valve plate outside, the inside valve shaft that is equipped with of valve body, the valve shaft runs through the valve body, the inside rotation of valve shaft is equipped with the pivot, the fixed first gear that is equipped with in the pivot top outside, the meshing has the second gear in the first gear outside, the second gear establish in the valve shaft top inside and with valve shaft fixed connection, logical groove has been seted up in the valve shaft outside, pivot outside threaded connection has the stopper, stopper both sides bottom all articulates there is the guide bar, one side that the stopper was kept away from to the guide. Rotate through the pivot and drive stopper downstream to make two sliders keep away from the pivot, when further messenger's arc moved to sealing washer department, the sealing washer received the extrusion of arc and takes place deformation, thereby increase and the valve body between the pressure, with this increase and the valve body between the leakproofness.
Description
Technical Field
The utility model relates to a butterfly valve technical field, concretely relates to butterfly valve that leakproofness is strong.
Background
A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to open and close, and the valve 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 mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.
However, the existing butterfly valve is easy to corrode after being used for a long time due to poor sealing performance in actual use.
Therefore, it is necessary to provide a butterfly valve with high sealing performance to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a butterfly valve that leakproofness is strong rotates through the pivot and drives the stopper downstream to make two sliders keep away from the pivot, further make the arc move to the sealing washer when locating, the sealing washer receives the extrusion of arc and takes place deformation, thereby increase and the valve body between pressure, with this increase and the valve body between the leakproofness, with the above-mentioned weak point in the solution technology.
In order to achieve the above object, the present invention provides the following technical solutions: a butterfly valve with high sealing performance comprises a valve body, wherein a valve plate is arranged inside the valve body, a sealing ring is fixedly arranged on the outer side of the valve plate, a valve shaft is arranged inside the valve body and penetrates through the valve body, a rotating shaft is rotatably arranged inside the valve shaft, a first gear is fixedly arranged on the outer side of the top of the rotating shaft, a second gear is meshed with the outer side of the first gear and is arranged inside the top end of the valve shaft and fixedly connected with the valve shaft, a through groove is formed in the outer side of the valve shaft, a limiting block is connected to the outer side of the rotating shaft in a threaded manner, guide rods are hinged to the bottoms of two sides of the limiting block respectively, a sliding block is hinged to one side, away from the limiting block, of each guide rod is connected with the valve plate in a sliding manner, a connecting rod is, and a rotating rod is fixedly arranged at the top of the rotating shaft.
Preferably, a valve seat is fixedly arranged on the rear side of the valve body, and the sealing ring is arranged between the valve plate and the valve body.
Preferably, a bearing is arranged at the joint of the valve shaft and the valve body, and a bearing is arranged at the joint of the valve shaft and the rotating shaft.
Preferably, a cavity is formed in the valve plate, and the limiting block is arranged in the cavity.
Preferably, an arc-shaped groove is formed in the valve plate, and the arc-shaped plate is arranged in the arc-shaped groove.
Preferably, the arc-shaped plate is matched with the valve body, and the limiting block is matched with the through groove in the axial direction.
Preferably, two of the sliders are distributed symmetrically with respect to the center of the rotating shaft, and two of the arc plates are distributed symmetrically with respect to the center of the rotating shaft.
In the technical scheme, the utility model provides a technological effect and advantage:
the user drives the pivot through rotating the bull stick and rotates, drive the stopper downstream, further drive guide bar downstream, thereby make left slider remove left, drive the connecting rod and remove left, further left arc of drive removes left, when the arc moves to sealing washer department, the sealing washer receives the extrusion of arc and takes place deformation, thereby increase and the pressure between the valve body, and the arc on right side moves right with same motion mode, the leakproofness between valve plate and the valve body is strengthened once more promptly, and easy operation is swift, compared with the prior art, this device is when using, and sealing performance is strong, can use for a long time and be difficult to corroded.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the slider movement according to the present invention;
FIG. 3 is an enlarged view of the structure of part A of FIG. 1 according to the present invention;
fig. 4 is an enlarged view of the structure of the part B of fig. 2 according to the present invention.
Description of reference numerals:
1 valve body, 2 valve plates, 3 sealing rings, 4 valve shafts, 5 rotating shafts, 6 first gears, 7 second gears, 8 through grooves, 9 limiting blocks, 10 guide rods, 11 sliding blocks, 12 connecting rods, 13 arc-shaped plates, 14 rotating rods, 15 valve seats, 16 cavities and 17 arc-shaped grooves.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a butterfly valve with strong sealing performance as shown in figures 1-4, which comprises a valve body 1, a valve plate 2 is arranged inside the valve body 1, a sealing ring 3 is fixedly arranged outside the valve plate 2, a valve shaft 4 is arranged inside the valve body 1, the valve shaft 4 penetrates through the valve body 1, a rotating shaft 5 is rotatably arranged inside the valve shaft 4, a first gear 6 is fixedly arranged outside the top of the rotating shaft 5, a second gear 7 is meshed outside the first gear 6, the second gear 7 is arranged inside the top end of the valve shaft 4 and is fixedly connected with the valve shaft 4, a through groove 8 is arranged outside the valve shaft 4, a stopper 9 is in threaded connection with the outside of the rotating shaft 5, guide rods 10 are hinged at the bottoms of two sides of the stopper 9, a slider 11 is hinged at one side of the guide rod 10 far away from the stopper 9, the slider 11 is in sliding connection with the valve plate 2, and a connecting rod, one side that pivot 5 was kept away from to connecting rod 12 all is fixed and is equipped with arc 13, arc 13 and valve plate 2 sliding connection, the fixed bull stick 14 that is equipped with in pivot 5 top.
Further, in the above technical solution, a valve seat 15 is fixedly arranged at the rear side of the valve body 1, and the sealing ring 3 is arranged between the valve plate 2 and the valve body 1, so that a user can install the device conveniently.
Furthermore, in the above technical solution, a bearing is disposed at a connection position of the valve shaft 4 and the valve body 1, and a bearing is disposed at a connection position of the valve shaft 4 and the rotating shaft 5, so that flexibility of the rotating shaft 5 and the valve shaft 4 is improved.
Further, in the above technical solution, a cavity 16 is formed in the valve plate 2, and the limit block 9 is disposed in the cavity 16.
Further, in the above technical solution, an arc-shaped groove 17 is formed in the valve plate 2, and the arc-shaped plate 13 is arranged in the arc-shaped groove 17.
Further, in the above technical solution, the arc plate 13 is matched with the valve body 1, and the limit block 9 is matched with the through groove 8.
Further, in the above technical solution, the two sliding blocks 11 are distributed in a central symmetry manner with respect to the rotating shaft 5, and the two arc-shaped plates 13 are distributed in a central symmetry manner with respect to the rotating shaft 5.
The implementation mode is specifically as follows: when the utility model is used, the user installs the device at the place where the device is needed through the valve seat 15, the user makes the rotating rod 14 start to rotate by rotating the rotating rod 14, the rotating rod 14 drives the rotating shaft 5 to rotate, the first gear 6 is further driven to rotate, thereby the second gear 7 is driven to rotate, the second gear 7 drives the valve plate 2 to rotate, thereby the valve is closed, the sealing ring 3 enhances the sealing performance between the valve plate 2 and the valve body 1, thereby the sealing performance of the device is increased, and the rotating shaft 5 rotates, meanwhile, the limiting block 9 is driven to move downwards, the guide rod 10 is further driven to move downwards, thereby the left slide block 11 is moved leftwards, the connecting rod 12 is driven to move leftwards, the left arc plate 13 is further driven to move leftwards, when the arc plate 13 moves to the sealing ring 3, the sealing ring 3 is deformed by the extrusion of the arc plate 13, thereby increase and the valve body 1 between the pressure, the leakproofness between further increase and the valve body 1, and the arc 13 on right side moves with same motion mode right side, the leakproofness between valve plate 2 and the valve body 1 is strengthened once more, and user's antiport bull stick 14, can realize that left side arc 13 moves right, valve plate 2 rotates when right side arc 13 moves left, thereby open the valve, and easy operation is swift, present butterfly valve among the prior art is when the actual use specifically solved by this embodiment, because sealing performance is not good enough, use the problem of being corroded after long-term easily.
This practical theory of operation:
referring to the attached drawings 1-4 of the specification, when the utility model is used, a user installs the device at a place where the device needs to be used through the valve seat 15, the user rotates the rotating rod 14 to make the rotating rod 14 start to rotate to drive the first gear 6 to rotate, thereby driving the second gear 7 to rotate, the second gear 7 drives the valve plate 2 to rotate, thereby realizing the closing of the valve, and the rotating shaft 5 rotates to make the left slider 11 move leftwards to drive the connecting rod 12 to move leftwards, further driving the left arc-shaped plate 13 to move leftwards, when the arc-shaped plate 13 moves to the position of the sealing ring 3, the sealing ring 3 is extruded by the arc-shaped plate 13 to deform, thereby increasing the pressure between the sealing ring and the valve body 1, the right arc-shaped plate 13 moves rightwards in the same motion mode, namely, the sealing performance between the valve plate 2 and the valve body 1 is enhanced again, and the user, can realize that left side arc 13 moves to the right, valve plate 2 rotates when right side arc 13 moves left to open the valve, easy operation is swift.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. The utility model provides a butterfly valve that leakproofness is strong, includes valve body (1), its characterized in that: the valve body (1) is internally provided with a valve plate (2), the outer side of the valve plate (2) is fixedly provided with a sealing ring (3), the valve body (1) is internally provided with a valve shaft (4), the valve shaft (4) penetrates through the valve body (1), the valve shaft (4) is internally and rotatably provided with a rotating shaft (5), the outer side of the top part of the rotating shaft (5) is fixedly provided with a first gear (6), the outer side of the first gear (6) is meshed with a second gear (7), the second gear (7) is arranged inside the top end of the valve shaft (4) and fixedly connected with the valve shaft (4), the outer side of the valve shaft (4) is provided with a through groove (8), the outer side of the rotating shaft (5) is in threaded connection with a limiting block (9), the bottoms of the two sides of the limiting block (9) are both hinged with guide rods (10), one side of the guide rods (10) far away from, two one side of keeping away from pivot (5) all is fixed and is equipped with connecting rod (12), one side of keeping away from pivot (5) in connecting rod (12) all is fixed and is equipped with arc (13), arc (13) and valve plate (2) sliding connection, pivot (5) top is fixed and is equipped with bull stick (14).
2. The butterfly valve of claim 1, wherein: the valve is characterized in that a valve seat (15) is fixedly arranged on the rear side of the valve body (1), and the sealing ring (3) is arranged between the valve plate (2) and the valve body (1).
3. The butterfly valve of claim 1, wherein: the connecting part of the valve shaft (4) and the valve body (1) is provided with a bearing, and the connecting part of the valve shaft (4) and the rotating shaft (5) is provided with a bearing.
4. The butterfly valve of claim 1, wherein: a cavity (16) is formed in the valve plate (2), and the limiting block (9) is arranged in the cavity (16).
5. The butterfly valve of claim 1, wherein: the valve plate (2) is internally provided with an arc-shaped groove (17), and the arc-shaped plate (13) is arranged inside the arc-shaped groove (17).
6. The butterfly valve of claim 5, wherein: the arc plate (13) is matched with the valve body (1), and the limiting block (9) is matched with the through groove (8).
7. The butterfly valve of claim 1, wherein: the two sliding blocks (11) are distributed in a central symmetry mode about the rotating shaft (5), and the two arc-shaped plates (13) are distributed in a central symmetry mode about the rotating shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442249.9U CN212004299U (en) | 2020-03-31 | 2020-03-31 | Butterfly valve that leakproofness is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442249.9U CN212004299U (en) | 2020-03-31 | 2020-03-31 | Butterfly valve that leakproofness is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212004299U true CN212004299U (en) | 2020-11-24 |
Family
ID=73421978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020442249.9U Active CN212004299U (en) | 2020-03-31 | 2020-03-31 | Butterfly valve that leakproofness is strong |
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| Country | Link |
|---|---|
| CN (1) | CN212004299U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984132A (en) * | 2021-04-15 | 2021-06-18 | 刘帆 | Butterfly valve with high tightness and use method thereof |
| CN113028079A (en) * | 2021-03-26 | 2021-06-25 | 沪航科技集团有限公司 | Prevent disk seat corrosion and dead silt-proof butterfly valve of card |
-
2020
- 2020-03-31 CN CN202020442249.9U patent/CN212004299U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028079A (en) * | 2021-03-26 | 2021-06-25 | 沪航科技集团有限公司 | Prevent disk seat corrosion and dead silt-proof butterfly valve of card |
| CN112984132A (en) * | 2021-04-15 | 2021-06-18 | 刘帆 | Butterfly valve with high tightness and use method thereof |
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