CN212959892U - Butterfly valve with good sealing performance - Google Patents
Butterfly valve with good sealing performance Download PDFInfo
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- CN212959892U CN212959892U CN202021656564.8U CN202021656564U CN212959892U CN 212959892 U CN212959892 U CN 212959892U CN 202021656564 U CN202021656564 U CN 202021656564U CN 212959892 U CN212959892 U CN 212959892U
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- butterfly plate
- butterfly
- valve
- valve body
- valve rod
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Abstract
The utility model relates to the valve field, in particular to a butterfly valve with good sealing performance, which comprises a valve body, a butterfly plate and a valve rod, wherein one end of the valve rod is connected with a rotating handle, the butterfly plate is driven by the valve rod to move and rotate to adjust by rotating the rotating handle when the butterfly plate needs to be adjusted to be opened and closed, the rotation track of the butterfly plate is limited by the guide ring, the risk that the butterfly plate shakes during rotation due to the contact abrasion between the valve rod and the valve body in the using process is reduced, the sealing performance of the butterfly plate is reduced by avoiding enhancing the abrasion degree of the butterfly plate and the valve body, thereby ensuring the sealing blocking effect of the butterfly plate, simultaneously, the valve rod can keep rotating vertically, the abrasion between the valve rod and the valve body is reduced, the service lives of the butterfly plate and the valve rod are prolonged, when the butterfly plate is completely closed, the sealing block is tightly attached to the surface of the butterfly plate, the sealing block is used for blocking the seam between the sealing guide ring and the butterfly, and water flow is prevented from leaking from the joint of the guide ring and the butterfly plate.
Description
Technical Field
The utility model relates to a valve field especially indicates a butterfly valve that leakproofness is good.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely the butterfly valve, wherein a valve clack or a butterfly plate of a closing part is a disc and rotates around a valve shaft to open and close, but a valve rod is easy to contact and wear with a valve body in the using process to cause the butterfly plate to shake in the rotation, so that the wear degree between the butterfly plate and the valve body is enhanced, and the butterfly plate is easier to damage.
Disclosure of Invention
The utility model provides a butterfly valve that leakproofness is good to the valve rod of overcoming prior art butterfly valve leads to the butterfly plate to produce in the rotation with valve body contact wear easily in the use and rocks, thereby has strengthened the degree of wear between butterfly plate and the valve body, makes the butterfly plate change the problem of damage.
The utility model adopts the following technical scheme: the utility model provides a butterfly valve that leakproofness is good, including valve body, butterfly plate and valve rod, the one end of valve rod is connected with the turning handle, and inside the other end of valve rod ran through valve body upper surface embedding valve body, valve rod and valve body were rotatable coupling, installing in the valve rod outside of butterfly plate symmetry, the butterfly plate is rotatable installs inside the valve body, still including assembling in the inside guide structure of valve body, guide structure includes guide ring and mounting panel, the valve body that runs through of guide ring symmetry, and guide ring and valve body be rotatable coupling, are connected with the mounting panel between guide ring and the valve body.
As a further improvement, the mounting plate is a vertical plate with a radian on the side surface, the radian of the side surface of the mounting plate is the same as that of the edge of the guide ring, and the surface of the butterfly plate is respectively attached to the surfaces of the two sides of the mounting plate after the butterfly plate is completely closed or the butterfly plate is completely opened in rotation degree.
As a further improvement, the guide ring is formed by splicing two semicircular rings, sealing blocks are arranged at the joint of the two semicircular rings, the sealing blocks are fixed above the mounting plate, and the sealing blocks are tightly attached to the surface of the butterfly plate after the butterfly plate is completely closed.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: when the switching of butterfly plate needs to be adjusted, the rotation handle is rotated to enable the butterfly plate to move and rotate along the guide ring under the driving of the valve rod to be adjusted, the rotation track of the butterfly plate is limited by the guide ring, the risk that the butterfly plate shakes due to the fact that the valve rod is in contact with the valve body in the using process is reduced, the abrasion degree of the butterfly plate and the valve body is prevented from being enhanced, the sealing performance of the butterfly plate is reduced, the sealing blocking effect of the butterfly plate is guaranteed, meanwhile, the valve rod can be enabled to keep rotating vertically, abrasion between the valve rod and the valve body is reduced, the service lives of the butterfly plate and the valve rod are prolonged, sealing blocks are attached to the surface of the butterfly plate after the butterfly plate is completely closed, the sealing blocks are used for blocking the seam between the guide ring and the butterfly plate, and leakage of water flow from the seam between the guide ring.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic top view of the valve body, the butterfly plate and the guide structure.
Fig. 3 is a schematic perspective view of the guiding structure.
Fig. 4 is a schematic top view of the butterfly plate after being opened.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in the attached drawings 1 to 4, a butterfly valve with good sealing performance comprises a valve body 1, a butterfly plate 2 and a valve rod 4, one end of the valve rod 4 is connected with a rotating handle 5, the other end of the valve rod 4 penetrates through the valve body 1, the upper surface of the valve body is embedded into the valve body 1, the valve rod 4 is rotatably connected with the valve body 1, the butterfly plate 2 is symmetrically installed on the outer side of the valve rod 4, and the butterfly plate 2 is rotatably installed inside the valve body 1.
As shown in the accompanying drawings 2 to 3, the butterfly valve further comprises a guide structure assembled inside the valve body 1, the guide structure comprises a guide ring 31 and a mounting plate 33, the guide ring 31 symmetrically penetrates through the valve body 1, the guide ring 31 and the valve body 1 are rotatably connected, the mounting plate 33 is connected between the guide ring 31 and the valve body 1, the rotation track of the butterfly plate 2 is limited by the guide ring 31, the risk that the butterfly plate 2 shakes in rotation due to contact abrasion of the valve rod 4 and the valve body 1 in the use process is reduced, the problem that the butterfly plate 2 is damaged in rotation due to the fact that the butterfly plate 2 is abraded due to the fact that the valve rod 4 is in contact with the valve body 1 is avoided, the sealing performance of the butterfly plate 2 is reduced due to the fact that the abrasion degree of the butterfly plate 2 and the valve body 1 is enhanced, the sealing blocking effect of the butterfly plate 2 is guaranteed, meanwhile.
As shown in fig. 2 to 4, the mounting plate 33 is a vertical plate with a radian on the side surface, the radian on the side surface of the mounting plate 33 is the same as the radian on the edge of the guide ring 31, when the butterfly plate 2 is completely closed or the butterfly plate 2 is rotated by 90 degrees and completely opened, the surface of the butterfly plate 2 is respectively attached to the surfaces on both sides of the mounting plate 33, the mounting plate 33 is used for limiting the rotation direction of the butterfly plate 2, so that the butterfly plate 2 can only be unidirectionally adjusted to be completely closed or completely opened, the opening and closing degree of the butterfly plate 2 is convenient to adjust, and the water flow channel is prevented from being reduced due to.
As shown in fig. 2 to 4, the guide ring 31 is formed by splicing two semicircular rings, so that the guide ring 31 can be conveniently installed on the butterfly plate 2, the sealing block 32 is installed at the joint of the two semicircular rings, the sealing block 32 is fixed above the installation plate 33, and the sealing block 32 is tightly attached to the surface of the butterfly plate 2 after the butterfly plate 2 is completely closed, and the sealing block 32 can be used for connecting the two semicircular rings 31, and the sealing block 32 blocks the joint between the sealing guide ring 31 and the butterfly plate 2 after the butterfly plate 2 is completely closed, so as to prevent water from leaking from the joint between the guide ring 31 and the butterfly plate 2.
When the opening and closing of the butterfly plate 2 need to be adjusted, the rotation handle 5 is rotated to enable the butterfly plate 2 to move and rotate along the guide ring 31 under the driving of the valve rod 4 for adjustment, the guide ring 31 is utilized to limit the rotation track of the butterfly plate 2, the risk that the butterfly plate 2 shakes in rotation due to the fact that the valve rod 4 is in contact abrasion with the valve body 1 in the using process is reduced, the abrasion degree of the butterfly plate 2 and the valve body 1 is prevented from being enhanced, and the sealing performance of the butterfly plate 2 is reduced, thereby ensuring the sealing and blocking function of the butterfly plate 2, simultaneously keeping the valve rod 4 to vertically rotate, reducing the abrasion between the valve rod 4 and the valve body 1, prolonging the service life of the butterfly plate 2 and the valve rod 4, and when the butterfly plate 2 is completely closed, the sealing block 32 is tightly attached to the surface of the butterfly plate 2, and the sealing block 32 is used for blocking the joint between the sealing guide ring 31 and the butterfly plate 2, so that water flow is prevented from leaking from the joint between the guide ring 31 and the butterfly plate 2.
The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (3)
1. The utility model provides a butterfly valve that leakproofness is good, including valve body, butterfly plate and valve rod, the one end of valve rod is connected with the turning handle, and inside the other end of valve rod ran through valve body upper surface embedding valve body, valve rod and valve body were rotatable coupling, the installing in the valve rod outside of butterfly plate symmetry, the rotatable installing in valve body of butterfly plate, its characterized in that: still including assembling in the inside guide structure of valve body, guide structure includes guide ring and mounting panel, the valve body that runs through of guide ring symmetry, and guide ring and valve body be rotatable coupling, are connected with the mounting panel between guide ring and the valve body.
2. The butterfly valve with good sealing performance according to claim 1, wherein: the mounting panel is the riser that the side has the radian, and the radian of mounting panel side is the same with the radian at guide ring edge, and the surface of butterfly plate is laminated with the both sides surface of mounting panel respectively after the butterfly plate is all closed or the butterfly plate rotation degree is all opened back butterfly plate.
3. The butterfly valve with good sealing performance according to claim 1, wherein: the guide ring is formed by splicing two semicircular rings, sealing blocks are installed at the joint of the two semicircular rings and fixed above the mounting plate, and the surfaces of the butterfly plates are tightly attached to the sealing blocks after the butterfly plates are completely closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021656564.8U CN212959892U (en) | 2020-08-11 | 2020-08-11 | Butterfly valve with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021656564.8U CN212959892U (en) | 2020-08-11 | 2020-08-11 | Butterfly valve with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959892U true CN212959892U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021656564.8U Active CN212959892U (en) | 2020-08-11 | 2020-08-11 | Butterfly valve with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212959892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076388A (en) * | 2022-07-19 | 2022-09-20 | 太仓百川水处理设备有限公司 | Shape support body and reinforcement type bilobal butterfly valve of preventing deformation of bilobal butterfly valve |
-
2020
- 2020-08-11 CN CN202021656564.8U patent/CN212959892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076388A (en) * | 2022-07-19 | 2022-09-20 | 太仓百川水处理设备有限公司 | Shape support body and reinforcement type bilobal butterfly valve of preventing deformation of bilobal butterfly valve |
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