CN211624211U - Novel manual butt clamp formula butterfly valve - Google Patents
Novel manual butt clamp formula butterfly valve Download PDFInfo
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- CN211624211U CN211624211U CN202020039991.5U CN202020039991U CN211624211U CN 211624211 U CN211624211 U CN 211624211U CN 202020039991 U CN202020039991 U CN 202020039991U CN 211624211 U CN211624211 U CN 211624211U
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- butterfly
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- valve rod
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Abstract
The utility model discloses a novel manual opposite clamping butterfly valve, which comprises a valve body, a butterfly plate and a valve rod, wherein a water flow channel is transversely arranged in the valve body, cylindrical barrels are respectively formed at the upper side and the lower side of the middle position of the valve body, a valve cover is arranged above the cylindrical barrel at the upper side through screws, a through hole is formed at the middle position of the valve cover, a sundry cover plate is hermetically arranged below the cylindrical barrel at the lower side, a blind hole is formed above the middle position of the sundry cover plate, the upper end and the lower end of the valve rod are respectively in one-to-one correspondence with the through hole, the blind holes are mutually matched in a rotating way, the butterfly plate is in a disc shape, the valve rod drives the butterfly plate to rotate to open and close the water flow channel, the upper side and the lower side of the butterfly plate are correspondingly provided with waterproof gaskets, the periphery of the valve rod is also provided with left-handed threads and right-handed threads, the left-handed threads and the right-handed threads are respectively arranged on the upper side and the lower side of the butterfly plate, and nuts are respectively arranged on the left-handed threads and the right-handed threads in a spiral matching way; the two nuts are correspondingly clamped and pressed on the upper side and the lower side of the two waterproof gaskets.
Description
Technical Field
The utility model belongs to the technical field of the butterfly valve technique and specifically relates to a novel manual wafer formula butterfly valve is related to.
Background
The butterfly plate of the wafer butterfly valve is arranged in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, the rotation angle is 0-90 degrees, the flow adjusting effect can be achieved, and when the butterfly plate rotates to 90 degrees, the valve reaches the maximum opening degree. The opposite clamping butterfly valve has simple structure, small volume and light weight and only consists of a few parts. And the valve can be quickly opened and closed only by rotating 90 degrees, the operation is simple, and meanwhile, the valve has good fluid control characteristics.
However, the wafer butterfly valve used for opening and closing the water pipe on the market can accumulate sundries at the rotating position of the butterfly plate after being used for a long time, so that the sealing effect is poor, the water leakage condition is caused, the sundries in the butterfly valve are difficult to clean, the butterfly valve needs to be replaced, and the service life of the butterfly valve is short.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.
A novel manual opposite-clamping butterfly valve comprises a valve body, a butterfly plate and a valve rod, wherein a transversely arranged water flow channel is formed in the valve body, cylindrical barrels are formed in the upper side and the lower side of the middle position of the valve body, a vertically arranged four-way pipeline is formed between the water flow channel and the two cylindrical barrels, a valve cover is arranged above the cylindrical barrel on the upper side in a sealing mode through screws, a through hole is formed in the middle position of the valve cover, a sundry cover plate is arranged below the cylindrical barrel on the lower side in a sealing mode, a blind hole is formed above the middle position of the sundry cover plate, the upper end and the lower end of the valve rod are respectively matched with the through hole and the blind hole in a rotating mode in a one-to-one correspondence mode, the butterfly plate is in a disc shape and is arranged in the middle position of the water flow channel, the valve rod and the butterfly plate are fixedly connected with each other and drive the butterfly plate to rotate so as to open and, the left-handed thread and the right-handed thread are respectively arranged on the upper side and the lower side of the butterfly plate, and nuts are spirally matched on the left-handed thread and the right-handed thread; the two nuts are correspondingly clamped and pressed on the upper side and the lower side of the two waterproof gaskets.
When the butterfly valve is opened, the valve rod is rotated anticlockwise, the butterfly plate is driven to be opened by the valve rod, meanwhile, the nut on the upper side is driven by the left-handed thread of the valve rod to move upwards to separate the waterproof gasket, and the nut on the lower side is driven by the right-handed thread of the valve rod to move downwards to separate the waterproof gasket; when the butterfly valve is closed, the valve rod is rotated clockwise, the butterfly plate is driven to close by the valve rod, meanwhile, the nut on the upper side is driven by the left-handed thread of the valve rod to move downwards to press the waterproof gasket, so that the upper side of the butterfly plate and the waterproof gasket on the upper side are in tight sealing fit with each other, and the nut on the lower side is driven by the right-handed thread of the valve rod to move upwards to press the waterproof gasket, so that the lower side of the butterfly plate and the waterproof gasket on; the sundries cover plate can be detached through the screws at any time to clean sand and stone sundries in the sundries cover plate.
Compared with the prior art, the beneficial effects of the utility model are that: sealed effect reinforcing is difficult for appearing the condition of leaking after closing, and gravel and sand equals that the debris that water mixes together can realize the clearance through dismantling the debris apron at any time to increase the life of butterfly valve.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic sectional structure of the present invention.
Shown in the figure: 1. a valve body; 2. a butterfly plate; 3. a valve stem; 4. a water flow channel; 5. a cylindrical barrel; 6. a valve cover; 7. a through hole; 8. a sundry cover plate; 9. blind holes; 10. a waterproof gasket; 11. left-handed threads; 12. right-hand threads; 13. a nut; 14. a first rubber gasket; 15. a gasket groove; 16. a second rubber gasket; 17. a third rubber gasket; 18. the handle is rotated.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.
Referring to fig. 1, a novel manual opposite clamping butterfly valve comprises a valve body 1, a butterfly plate 2 and a valve rod 3, wherein a water flow channel 4 is formed in the valve body 1 in a transverse direction, cylindrical barrels 5 are formed on the upper side and the lower side of the middle position of the valve body 1, a four-way pipeline is formed between the water flow channel 4 and the two cylindrical barrels 5 and is vertically arranged, a valve cover 6 is hermetically installed above the cylindrical barrel 5 on the upper side through screws, a through hole 7 is formed in the middle position of the valve cover 6, a sundries cover plate 8 is hermetically installed below the cylindrical barrel 5 on the lower side, a blind hole 9 is formed above the middle position of the sundries cover plate 8, the upper end and the lower end of the valve rod 3 are respectively and correspondingly matched with the through hole 7 and the blind hole 9 in a rotating mode, the butterfly plate 2 is in a disc shape, the butterfly plate 2 is arranged at the middle position in the water flow channel 4, the valve rod 3 and the butterfly plate 2 are, waterproof gaskets 10 are correspondingly arranged on the upper side and the lower side of the butterfly plate 2, left-handed threads 11 and right-handed threads 12 are formed on the periphery of the valve rod 3, the left-handed threads 11 and the right-handed threads 12 are respectively arranged on the upper side and the lower side of the butterfly plate 2, and nuts 13 are spirally matched and installed on the left-handed threads 11 and the right-handed threads 12; the two nuts 13 are correspondingly clamped and pressed on the upper side and the lower side of the two waterproof gaskets 10;
the principle is as follows: when the butterfly valve is opened, the valve rod 3 is rotated anticlockwise, the valve rod 3 drives the butterfly plate 2 to be opened, meanwhile, the left-handed thread 11 of the valve rod 3 drives the nut 13 on the upper side to move upwards to separate the waterproof gasket 10, and the right-handed thread 12 of the valve rod 3 drives the nut 13 on the lower side to move downwards to separate the waterproof gasket 10;
when the butterfly valve is closed, the valve rod 3 is rotated clockwise, the valve rod 3 drives the butterfly plate 2 to be closed, meanwhile, the left-handed thread 11 of the valve rod 3 drives the nut 13 on the upper side to move downwards to press the waterproof gasket 10, so that the upper side of the butterfly plate 2 and the waterproof gasket 10 on the upper side are in tight sealing fit with each other, and the right-handed thread 12 of the valve rod 3 drives the nut 13 on the lower side to move upwards to press the waterproof gasket 10, so that the lower side of the butterfly plate 2 and the waterproof gasket 10 on the lower side are in tight sealing fit;
the sundries cover plate 8 can be detached through screws at any time so as to be convenient for cleaning sand and stone sundries in the sundries cover plate 8.
As a further aspect of the present invention: a first rubber gasket 14 is fixedly arranged between the upper cylindrical barrel 5 and the valve cover 6, and the upper cylindrical barrel 5 and the valve cover 6 are sealed through the first rubber gasket 14; effectively preventing the water flow from overflowing from the matching gap between the upper cylindrical barrel 5 and the valve cover 6.
As a further aspect of the present invention: a gasket groove 15 is formed in the through hole 7, a second rubber gasket 16 is tightly fitted in the gasket groove 15, and the second rubber gasket 16 is arranged on the periphery of the valve rod 3; the water flow is effectively prevented from overflowing from the fitting clearance of the valve rod 3 and the through hole 7.
As a further aspect of the present invention: a third rubber gasket 17 is fixedly connected below the lower cylindrical barrel 5, and the sundries cover plate 8 and the lower cylindrical barrel 5 are sealed through the third rubber gasket 17; effectively preventing water flow from overflowing from the matching clearance between the cylindrical barrel 5 and the sundries cover plate 8.
As a further aspect of the present invention: the upper end of the valve rod 3 is fixedly connected with a rotary handle 18 through a through hole 7 of the valve cover 6; facilitating manual rotation of the valve stem 3.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a novel manual wafer formula butterfly valve, includes valve body, butterfly plate and valve rod, its characterized in that: a transversely arranged water flow channel is formed in the valve body, cylindrical barrels are formed on the upper side and the lower side of the middle position of the valve body, a vertically arranged four-way pipeline is formed between the water flow channel and the two cylindrical barrels, a valve cover is arranged on the upper side of the cylindrical barrel on the upper side in a sealing way through screws, a through hole is formed in the middle position of the valve cover, a sundry cover plate is arranged on the lower side of the cylindrical barrel on the lower side in a sealing way, a blind hole is formed in the upper side of the middle position of the sundry cover plate, the upper end and the lower end of a valve rod are respectively matched with the through hole and the blind hole in a one-to-one correspondence way, the butterfly plate is in a disc shape, the butterfly plate is arranged on the middle position in the water flow channel, the valve rod and the butterfly plate are fixedly connected with each other and drive the butterfly plate to rotate so as to open and close the water flow channel, waterproof gaskets are, nuts are spirally matched and installed on the left-hand thread and the right-hand thread; the two nuts are correspondingly clamped and pressed on the upper side and the lower side of the two waterproof gaskets.
2. The novel manual wafer butterfly valve according to claim 1, characterized in that: a first rubber gasket is fixedly installed between the cylinder barrel and the valve cover of the upper side, and sealing is achieved between the cylinder barrel and the valve cover of the upper side through the first rubber gasket.
3. The novel manual wafer butterfly valve according to claim 1, characterized in that: a gasket groove is formed in the through hole, a second rubber gasket is installed in the gasket groove in a tight fit mode, and the second rubber gasket is arranged on the periphery of the valve rod.
4. The novel manual wafer butterfly valve according to claim 1, characterized in that: and a third rubber gasket is fixedly connected below the cylindrical barrel on the lower side, and sealing is realized between the sundry cover plate and the cylindrical barrel on the lower side through the third rubber gasket.
5. The novel manual wafer butterfly valve according to claim 1, characterized in that: the upper end of the valve rod is fixedly connected with a rotary handle through a through hole of the valve cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039991.5U CN211624211U (en) | 2020-01-09 | 2020-01-09 | Novel manual butt clamp formula butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039991.5U CN211624211U (en) | 2020-01-09 | 2020-01-09 | Novel manual butt clamp formula butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624211U true CN211624211U (en) | 2020-10-02 |
Family
ID=72636549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020039991.5U Active CN211624211U (en) | 2020-01-09 | 2020-01-09 | Novel manual butt clamp formula butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624211U (en) |
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2020
- 2020-01-09 CN CN202020039991.5U patent/CN211624211U/en active Active
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