CN211624212U - Novel telescopic flange butterfly valve - Google Patents
Novel telescopic flange butterfly valve Download PDFInfo
- Publication number
- CN211624212U CN211624212U CN202020045020.1U CN202020045020U CN211624212U CN 211624212 U CN211624212 U CN 211624212U CN 202020045020 U CN202020045020 U CN 202020045020U CN 211624212 U CN211624212 U CN 211624212U
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- water flow
- flow channel
- valve
- flange
- butterfly plate
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Abstract
The utility model discloses a novel telescopic flange butterfly valve, which comprises a valve body, a valve rod and a butterfly plate, a water flow channel transversely arranged is formed on the lower side of the valve body, a positioning ring is formed on the upper side of the middle position of the valve body, a three-way pipeline is formed between the positioning ring and the water flow channel, a valve cover is detachably installed above the positioning ring through screws, the butterfly plate is arranged in the water flow channel, the butterfly plate is in a disc shape, a through hole is formed in the middle position of the valve cover, the valve rod is installed in the through hole in a rotating fit manner, the valve rod drives the butterfly plate to rotate so as to realize the opening and closing of the water flow channel, a telescopic pipe sleeve is installed at the periphery of the right end of the water flow channel on the right side of the butterfly plate in a clearance sliding fit manner, a rubber waterproof gasket is installed between the periphery of the telescopic; the left end of the water flow channel is fixedly and hermetically connected with a first flange, and the right end of the telescopic pipe sleeve is fixedly and hermetically connected with a second flange.
Description
Technical Field
The utility model belongs to the technical field of the butterfly valve technique and specifically relates to a novel flexible flange butterfly valve is related to.
Background
As a component for realizing the on-off and flow control of a pipeline system, a telescopic butterfly valve is widely applied in many fields such as petroleum, chemical engineering, metallurgy, water and electricity. The butterfly plate of the telescopic 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 at a rotation angle of 0-90 degrees, and when the disc-shaped butterfly plate rotates to 90 degrees, the valve is in a full-open state.
However, the length of the valve body of the existing butterfly valve is fixed and unchangeable, the length of the valve body can not be adjusted according to the actual pipeline clearance during installation, the installation and the replacement are extremely inconvenient, troubles and losses are brought to production and constructors, and the application range is greatly limited. Further, although the conventional telescopic butterfly valve has a certain telescopic function, it has disadvantages such as poor sealing property and complicated operation, and thus needs to be improved.
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 telescopic flange butterfly valve comprises a valve body, a valve rod and a butterfly plate, wherein a transversely arranged water flow channel is formed on the lower side of the valve body, a positioning ring is formed on the upper side of the middle position of the valve body, a three-way pipeline is formed between the positioning ring and the water flow channel, a valve cover is detachably mounted above the positioning ring through screws, the butterfly plate is arranged in the water flow channel, the butterfly plate is in a disc shape, a through hole is formed in the middle position of the valve cover, the valve rod is rotatably mounted in the through hole in a matched manner, the valve rod drives the butterfly plate to rotate so as to open and close the water flow channel, a telescopic pipe sleeve is mounted at the periphery of the right end of the water flow channel on the right side of the butterfly plate in a sliding fit manner, a rubber waterproof gasket is mounted between the telescopic pipe sleeve and the periphery of the; the left end of the water flow channel is fixedly and hermetically connected with a first flange, and the right end of the telescopic pipe sleeve is fixedly and hermetically connected with a second flange.
Compared with the prior art, the beneficial effects of the utility model are that: the narrow wide slope in right side in the left side of rubber waterproof gasket sets up, when stretching flexible pipe box right, thereby can make between flexible pipe box and the rivers passageway progressively lock through rubber waterproof gasket and realize that the tight fit is effectively sealed, its simple structure, flexible sealed effect is better.
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 valve stem; 3. a butterfly plate; 4. a water flow channel; 5. positioning rings; 6. a valve cover; 7. a through hole; 8. a telescopic pipe sleeve; 9. a rubber waterproof gasket; 10. a first flange; 11. a second flange; 12. a reset structure; 12-1, positioning blocks; 12-2, a positioning rod; 12-3, moving blocks; 12-4, a return spring; 13. a circular hole; 14. a limiting block; 15. retracting the limit boss; 16. a rubber waterproof ring.
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 telescopic flange butterfly valve comprises a valve body 1, a valve rod 2 and a butterfly plate 3, a water flow channel 4 transversely arranged is formed at the lower side of the valve body 1, a positioning ring 5 is formed at the upper side of the middle position of the valve body 1, a three-way pipeline is formed between the positioning ring 5 and the water flow channel 4, a valve cover 6 is detachably mounted above the positioning ring 5 through screws, the butterfly plate 3 is arranged in the water flow channel 4, the butterfly plate 3 is in a disc shape, a through hole 7 is formed at the middle position of the valve cover 6, the valve rod 2 is rotatably mounted in the through hole 7 in a matching manner, the valve rod 2 drives the butterfly plate 3 to rotate to open and close the water flow channel 4, a telescopic pipe sleeve 8 is slidably mounted at the periphery of the right end of the water flow channel 4 at the right side of the butterfly plate 3 in a clearance fit manner, a rubber waterproof gasket 9 is tightly mounted, the inner ring of the rubber waterproof gasket 9 is narrow at the left and wide at the right; the left end of the water flow channel 4 is fixedly and hermetically connected with a first flange 10, and the right end of the telescopic pipe sleeve 8 is fixedly and hermetically connected with a second flange 11; the principle is as follows: the telescopic pipe sleeve 8 is arranged on the periphery of the water flow channel 4, the telescopic pipe sleeve 8 can slide left and right on the periphery of the water flow channel 4, and the inner ring of the rubber waterproof gasket 9 is narrow on the left and wide on the right, so that when the telescopic pipe sleeve 8 moves in an extending mode towards the right, the rubber waterproof gasket 9 can be gradually tightened up, and water flow is effectively prevented from overflowing from the fit clearance between the telescopic pipe sleeve 8 and the water flow channel 4.
As a further aspect of the present invention: a resetting structure 12 is also arranged between the water flow channel 4 and the telescopic pipe sleeve 8, the resetting structure 12 comprises a positioning block 12-1 and a positioning rod 12-2, the water flow channel comprises a moving block 12-3 and a return spring 12-4, wherein a positioning block 12-1 is fixedly arranged on the periphery of a water flow channel 4, the left end of a positioning rod 12-2 is vertically inserted into the positioning block 12-1 and is fixedly connected with the positioning block 12-1, a round hole 13 for mutual sliding fit of the periphery of the positioning rod 12-2 is formed in the moving block 12-3, a stop block 14 is fixedly arranged at the right end of the positioning rod 12-2 after penetrating through the round hole 13, the moving block 12-3 is fixedly arranged on the left end of the periphery of a telescopic pipe sleeve 8, the return spring 12-4 is arranged on the periphery of the positioning rod 12-2 in a clearance fit manner, and the return spring 12-; the telescopic pipe sleeve 8 can reset automatically, and the use and the transportation are convenient.
As a further aspect of the present invention: the reduction structure 12 is provided with a plurality of circular arrays arranged at equal intervals; the resetting precision of the telescopic pipe sleeve 8 is more accurate.
As a further aspect of the present invention: a retraction limiting boss 15 is formed at the inner ring of the telescopic pipe sleeve 8, and the retraction limiting boss 15 is arranged on the right of the interval position of the water flow channel 4; the retraction limiting boss 15 is used for retracting and positioning the telescopic pipe sleeve 8; preventing crushing of the telescopic pipe sleeve 8.
As a further aspect of the present invention: a rubber waterproof ring 16 is arranged between the retraction limiting boss 15 and the end part of the water flow channel 4, and the rubber waterproof ring 16 and the retraction limiting boss 15 are fixedly connected with each other; after the telescopic pipe sleeve 8 is rebounded and reset by the reset spring 12-4, the retraction limiting boss 15 inside the telescopic pipe sleeve 8 is pressed at the right end of the water flow channel 4 through the rubber waterproof ring 16, so that sealing is realized, and the sealing effect between the water flow channel 4 and the telescopic pipe sleeve 8 is improved.
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 flexible flange butterfly valve, which comprises a valve body, valve rod and butterfly plate, the downside shaping of valve body has the rivers passageway of horizontal setting, the intermediate position upside shaping of valve body has the position circle, form the tee bend pipeline between position circle and the rivers passageway, screw demountable installation has the valve gap in the top of position circle, the butterfly plate sets up in the rivers passageway, the butterfly plate is disc shape, the shaping of intermediate position department of valve gap has the through-hole, valve rod normal running fit installs in the through-hole, the valve rod drives the rotatory realization of butterfly plate and opens and close its characterized in that to the rivers passageway: a telescopic pipe sleeve is arranged at the periphery of the right end of the water flow channel on the right side of the disc plate in a clearance sliding fit manner, a rubber waterproof gasket is arranged between the telescopic pipe sleeve and the periphery of the water flow channel in a close fit manner, the rubber waterproof gasket is of a cylindrical structure, and the inner ring of the rubber waterproof gasket is arranged in a manner of being narrow at the left and wide at the right; the left end of the water flow channel is fixedly and hermetically connected with a first flange, and the right end of the telescopic pipe sleeve is fixedly and hermetically connected with a second flange.
2. The novel telescopic flange butterfly valve of claim 1, wherein: still be equipped with reset structure between rivers passageway and the flexible pipe box, reset structure includes the locating piece, the locating lever, movable block and reset spring, locating piece fixed mounting is in rivers passageway's periphery, the left end of locating lever insert the locating piece perpendicularly and with locating piece mutual fixed connection, the shaping has the round hole that supplies the peripheral mutual sliding fit of locating lever on the movable block, the right-hand member of locating lever passes round hole fixed mounting and has the stopper, movable block fixed mounting is in the peripheral left end of flexible pipe box, reset spring clearance fit installs in the periphery of locating lever, the reset spring centre gripping is between movable block and stopper.
3. The novel telescopic flange butterfly valve of claim 2, wherein: the reduction structure is provided with a plurality of circular arrays which are arranged at equal intervals.
4. The novel telescopic flange butterfly valve of claim 2, wherein: the inner ring of the telescopic pipe sleeve is formed with a retraction limiting boss which is arranged on the right side of the interval position of the water flow channel.
5. The novel telescopic flange butterfly valve of claim 4, wherein: and a rubber waterproof ring is arranged between the retraction limiting boss and the end part of the water flow channel, and the rubber waterproof ring and the retraction limiting boss are fixedly connected with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045020.1U CN211624212U (en) | 2020-01-10 | 2020-01-10 | Novel telescopic flange butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045020.1U CN211624212U (en) | 2020-01-10 | 2020-01-10 | Novel telescopic flange butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624212U true CN211624212U (en) | 2020-10-02 |
Family
ID=72636722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020045020.1U Active CN211624212U (en) | 2020-01-10 | 2020-01-10 | Novel telescopic flange butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624212U (en) |
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2020
- 2020-01-10 CN CN202020045020.1U patent/CN211624212U/en active Active
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