CN217003124U - Hard-to-hard metal spherical sealing butterfly valve - Google Patents
Hard-to-hard metal spherical sealing butterfly valve Download PDFInfo
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- CN217003124U CN217003124U CN202220620214.9U CN202220620214U CN217003124U CN 217003124 U CN217003124 U CN 217003124U CN 202220620214 U CN202220620214 U CN 202220620214U CN 217003124 U CN217003124 U CN 217003124U
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Abstract
The utility model relates to a hard-touch hard metal spherical sealing butterfly valve which comprises a valve body, a valve rod and a valve plate, wherein a flow channel for medium circulation is arranged in the valve body, the valve plate is arranged on the valve rod and rotates along with the valve rod, an annular groove which is vertically raised is arranged on the valve body, a moving block which vertically moves is arranged in the annular groove, a compression spring is arranged between the bottom of the annular groove and the moving block, and a sealing plate which is in sealing fit with the valve plate is arranged at the other end of the moving block, opposite to the compression spring. The utility model provides a hard-to-hard metal spherical sealing butterfly valve with a compensation mechanism after a valve seat contact surface is worn.
Description
Technical Field
The utility model relates to a butterfly valve, in particular to a hard-touch hard metal spherical surface sealing butterfly valve.
Background
The butterfly valve is also called as a flap valve, is a regulating valve with simple structure, is a closing member for on-off control of low-pressure pipeline media, is mostly used for controlling media such as water at present, can cut off and throttle water flow in a pipeline, is an essential part in the current pipeline construction, and presents better development prospect along with the rapid development of pipeline technology and the use of the valve.
At present, after the butterfly valve is used for a long time, the contact surface of a valve seat and a valve plate is seriously abraded, so that the contact is not tight enough, and the sealing performance of the butterfly valve is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a hard-on-hard metal spherical sealing butterfly valve with a compensation mechanism after a valve seat contact surface is worn.
In order to realize the purpose, the utility model provides the following technical scheme: the valve comprises a valve body, a valve rod and a valve plate, wherein a flow channel for medium circulation is formed in the valve body, the valve plate is arranged on the valve rod and rotates along with the valve rod, an annular groove protruding vertically is formed in the valve body, a moving block moving vertically moves is arranged in the annular groove, a compression spring is arranged between the bottom of the annular groove and the moving block, and a sealing plate matched with the valve plate in a sealing mode is arranged at the other end of the moving block opposite to the compression spring.
Through adopting above-mentioned technical scheme, when the butterfly valve needs the butterfly valve to close, the valve rod drive valve plate rotates to closing plate place direction, then valve plate and closing plate contact gradually, make hold-down spring compressed, the valve plate is inseparable gradually with the contact of closing plate equally, until closing plate and valve plate are relative completely, the valve plate just accomplishes cutting to the flow path with the closing plate this moment, and after long-time use, the closing plate surface is because long-term and valve plate counterbalance, lead to wearing and tearing, hold-down spring can promote the movable block outwards to remove this moment, thereby make the closing plate be close to the valve plate, remedy the wearing and tearing on closing plate surface from this.
The utility model is further configured to: the sealing plate is positioned outside the annular groove, and the sealing plate is provided with an extending abutting part extending towards the periphery of the annular groove.
Through adopting above-mentioned technical scheme, when closing plate and valve plate sealing fit, extend the portion one side that offsets and the valve plate offsets, and the another side offsets with the lateral wall of annular groove for sealed effect is more stable.
The utility model is further configured to: including the cylindric lock, transversely be provided with on the valve rod with the fixed orifices of cylindric lock size looks adaptation, the valve plate has the cover of cover locating the valve rod and establishes the portion, is provided with the mating holes relative with the fixed orifices in the cover establishment portion, the cylindric lock is worn to establish and is arranged in fixed orifices and mating holes and fixed valve rod and valve plate.
The utility model is further configured to: including the valve gap, be provided with the bearing between valve body and the valve rod and pack and be located the bearing top, valve gap detachable is fixed in on the valve body and will offset with packing.
The utility model is further configured to: the valve comprises a bottom cover, a valve rod hole for the valve rod to pass through is formed in the lower portion of the valve body, and the bottom cover is detachably fixed at the bottom of the valve body and opposite to the valve rod hole.
Through adopting above-mentioned technical scheme, bottom detachable is fixed in on the valve body, when needs maintenance or clearance, just can dismantle the bottom from the valve body.
The utility model is further configured to: and a gasket is arranged between the bottom cover and the bottom of the valve body.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is an enlarged view of a portion A of the present invention;
FIG. 3 is a partial enlarged view B of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-3, the utility model discloses a hard-to-touch hard metal spherical sealing butterfly valve, which comprises a valve body 1, a valve rod 2 and a valve plate 3, wherein a flow passage 4 for medium circulation is arranged in the valve body 1, the valve plate 3 is arranged on the valve rod 2 and rotates along with the valve rod 2, an annular groove 5 which is protruded along the vertical direction is arranged on the valve body 1, a moving block 51 which moves along the vertical direction is arranged in the annular groove 5, a compression spring 52 is arranged between the bottom of the annular groove 5 and the moving block 51, the other end of the moving block 51, opposite to the compression spring 52, is provided with a sealing plate 53 which is in sealing fit with the valve plate 3, when the butterfly valve needs to be closed, the valve rod 2 drives the valve plate 3 to rotate towards the direction of the sealing plate 53, then the valve plate 3 is gradually contacted with the sealing plate 53, so that the compression spring 52 is compressed, the valve plate 3 is also gradually contacted with the sealing plate 53 until the sealing plate 53 is completely opposite to the valve plate 3, at this time, the valve plate 3 and the sealing plate 53 complete the cutting of the flow passage 4, and after a long time of use, the surface of the sealing plate 53 is worn due to long-term contact with the valve plate 3, and the compression spring 52 pushes the moving block 51 to move outwards, so that the sealing plate 53 approaches the valve plate 3, thereby compensating the wear of the surface of the sealing plate 53.
The sealing plate 53 is located outside the annular groove 5, the sealing plate 53 is provided with an extending abutting part 531 extending towards the periphery of the annular groove 5, when the sealing plate 53 is in sealing fit with the valve plate 3, one surface of the extending abutting part 531 abuts against the valve plate 3, and the other surface of the extending abutting part abuts against the side wall of the annular groove 5, so that the sealing effect is more stable.
Including cylindric lock 6, transversely be provided with on the valve rod 2 with the fixed orifices of 6 size looks adaptations of cylindric lock, valve plate 3 has the cover of cover locating valve rod 2 and establishes the portion, is provided with the mating holes relative with the fixed orifices in the cover portion of establishing, and cylindric lock 6 wears to establish and arranges in fixed orifices and mating holes and fixed with valve rod 2 and valve plate 3.
The valve cover 7 is arranged between the valve body 1 and the valve rod 2, the bearing 71 and the packing 72 are arranged between the valve body 1 and the valve rod 2, the packing 72 is located above the bearing 71, and the valve cover 7 is detachably fixed on the valve body 1 and abuts against the packing 72.
Including bottom 8, 1 lower part of valve body is provided with the valve rod hole 11 that supplies valve rod 2 to pass, and bottom 8 detachable is fixed in 1 bottom of valve body and relative with valve rod hole 11, and bottom 8 detachable is fixed in on the valve body 1, when needs maintenance or clearance, just can dismantle bottom 8 from valve body 1.
A gasket 9 is arranged between the bottom cover 8 and the bottom of the valve body 1.
Claims (6)
1. The utility model provides a bump hard metal spherical surface sealing butterfly valve firmly which characterized in that: the valve comprises a valve body, a valve rod and a valve plate, wherein a flow channel for medium circulation is formed in the valve body, the valve plate is arranged on the valve rod and rotates along with the valve rod, an annular groove protruding vertically is formed in the valve body, a moving block moving vertically moves is arranged in the annular groove, a compression spring is arranged between the bottom of the annular groove and the moving block, and a sealing plate matched with the valve plate in a sealing mode is arranged at the other end of the moving block opposite to the compression spring.
2. The hard-on-hard metal spherical sealing butterfly valve according to claim 1, wherein: the sealing plate is positioned outside the annular groove, and the sealing plate is provided with an extending abutting part extending towards the periphery of the annular groove.
3. The hard-on-hard metal spherical sealing butterfly valve according to claim 1, wherein: including the cylindric lock, transversely be provided with on the valve rod with the fixed orifices of cylindric lock size looks adaptation, the valve plate has the cover of cover locating the valve rod and establishes the portion, is provided with the mating holes relative with the fixed orifices in the cover establishment portion, the cylindric lock is worn to establish and is arranged in fixed orifices and mating holes and fixed valve rod and valve plate.
4. The hard-on-hard metal spherical sealing butterfly valve according to claim 1, wherein: including the valve gap, be provided with the bearing between valve body and the valve rod and pack and be located the bearing top, valve gap detachable is fixed in on the valve body and will offset with packing.
5. The hard-on-hard metal spherical sealing butterfly valve according to claim 1, wherein: the valve comprises a bottom cover, a valve rod hole for the valve rod to pass through is formed in the lower portion of the valve body, and the bottom cover is detachably fixed at the bottom of the valve body and opposite to the valve rod hole.
6. The hard-on-hard metal spherical seal butterfly valve of claim 5, wherein: and a gasket is arranged between the bottom cover and the bottom of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220620214.9U CN217003124U (en) | 2022-03-21 | 2022-03-21 | Hard-to-hard metal spherical sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220620214.9U CN217003124U (en) | 2022-03-21 | 2022-03-21 | Hard-to-hard metal spherical sealing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217003124U true CN217003124U (en) | 2022-07-19 |
Family
ID=82371232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220620214.9U Active CN217003124U (en) | 2022-03-21 | 2022-03-21 | Hard-to-hard metal spherical sealing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217003124U (en) |
-
2022
- 2022-03-21 CN CN202220620214.9U patent/CN217003124U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |