CN211175425U - Bidirectional sealing leakage-proof butterfly valve - Google Patents
Bidirectional sealing leakage-proof butterfly valve Download PDFInfo
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- CN211175425U CN211175425U CN201922081986.0U CN201922081986U CN211175425U CN 211175425 U CN211175425 U CN 211175425U CN 201922081986 U CN201922081986 U CN 201922081986U CN 211175425 U CN211175425 U CN 211175425U
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- butterfly valve
- valve body
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- butterfly
- sealed
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Abstract
The utility model discloses a two-way sealing leakage-proof butterfly valve, which comprises a butterfly valve body, wherein one side of a cavity of the butterfly valve body is rotationally connected with a front sealing butterfly sheet, the other side of the cavity of the butterfly valve body is rotationally connected with a rear sealing butterfly sheet, the middle part of the cavity of the butterfly valve body is fixedly connected with a turbine box through a connecting loop bar, the inside of the turbine box is movably connected with a turbine through a transmission shaft, the surface of the turbine is in transmission connection with a worm, one end of the worm passes through the turbine box and is fixedly connected with a sealing disc, the utility model has the advantages that the sealing performance is ensured by the sealing match of the front sealing butterfly sheet and the rear sealing butterfly sheet which are arranged, the sealing rings and the combined sealing rings are used with the corresponding front sealing butterfly sheet and the rear sealing butterfly sheet, the sealing performance is ensured, the two ends of the butterfly valve body are sealed and ensured, the liquid leakage is, tightly attach to the inner part of the butterfly valve body and the front sealing butterfly sheet, and have good sealing effect.
Description
Technical Field
The utility model relates to a butterfly valve, in particular to two-way sealing prevents leaking butterfly valve.
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 butterfly valve mainly plays a role in cutting off and throttling on a pipeline, and the butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve body in the valve body, so that the opening and closing or adjusting purpose is achieved.
However, the existing butterfly valve has some defects. For example, the existing butterfly valve only has a one-way sealing structure, the leakage condition is inevitably caused by long-time use, the sealing performance is poor, the existing butterfly valve mostly uses the handle to rotate, the valve is not convenient to forcibly open by two hands, and the use is inconvenient, so that the bidirectional sealing leakage-proof butterfly valve is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a butterfly valve is prevented leaking by two way seal to solve the current butterfly valve that provides in the above-mentioned background art and only one-way seal structure, long-time use, the condition of leaking can appear in the inevitable, lead to the not good problem of sealing performance.
In order to achieve the above object, the utility model provides a following technical scheme: a two-way sealing leakage-proof butterfly valve comprises a butterfly valve body, wherein mounting flanges are fixedly arranged at two side port parts of the butterfly valve body, one side of a cavity of the butterfly valve body is rotatably connected with a front sealing butterfly sheet, the top end of the front sealing butterfly sheet is fixedly connected with a first transmission rod through a gasket, one end of the first transmission rod extends to the outer side of the butterfly valve body and is fixedly provided with a first hand wheel, the other side of the cavity of the butterfly valve body is rotatably connected with a rear sealing butterfly sheet, the top end of the rear sealing butterfly sheet is fixedly connected with a second transmission rod through a gasket, one end of the second transmission rod extends to the outer side of the butterfly valve body and is fixedly provided with a second hand wheel, the middle part of the cavity of the butterfly valve body is fixedly connected with a turbine box through a connecting sleeve rod, the interior of the turbine box is movably connected with, one end of the worm penetrates through the turbine box and is fixedly connected with a sealing disc.
As a preferred technical proposal of the utility model, a first sealing seat is fixedly arranged at the penetrating connection part of the first transmission rod and the butterfly valve body, the first sealing seat is connected with the first transmission rod by screw thread,
as a preferred technical scheme of the utility model, the fixed second seal receptacle that is equipped with in second transfer line and butterfly valve body through connection department, second seal receptacle and second transfer line threaded connection.
As a preferred technical scheme of the utility model, the one end of transmission shaft is passed and is connected loop bar and butterfly valve body and fixedly connected with code wheel, the fixed third seal receptacle that is equipped with of lateral surface department of transmission shaft and butterfly valve body, third seal receptacle and transmission shaft threaded connection.
As an optimal technical scheme of the utility model, one side contact of preceding sealed butterfly piece is equipped with boss shape sealing washer, boss shape sealing washer inlays with sealed dish and establishes and be connected.
As a preferred technical scheme of the utility model, the equal contact in back sealed butterfly piece both sides is equipped with the combined seal circle, combined seal circle and butterfly valve body cavity inner wall fixed connection.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a butterfly valve is prevented leaking by two way seal, through the preceding sealed butterfly piece and the back sealed butterfly piece that are equipped with, use boss shape sealing washer and combined seal circle and the preceding sealed butterfly piece that corresponds and the back sealed butterfly piece to seal the cooperation and use, guarantee the leakproofness, also make the both ends of butterfly valve body all obtain sealed the assurance simultaneously, prevent liquid leakage, turbine and worm mechanism through being equipped with, make the worm extend through rotating the code wheel and go into the inside of boss shape sealing washer with sealed dish top, make boss shape sealing washer propped greatly, tightly laminating butterfly valve body's inside and preceding sealed butterfly piece, fully guarantee the leakproofness, it is sealed effectual, through first hand wheel and the second hand wheel that are equipped with, make things convenient for the bimanualness, reduce the operation degree of difficulty, high durability and convenient use.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the butterfly valve body of the present invention;
fig. 3 is the exploded structure diagram of the rear sealing butterfly piece and the combined sealing ring of the present invention.
In the figure: 1. a butterfly valve body; 2. installing a flange; 3. a first seal seat; 4. a first drive lever; 5. a first hand wheel; 6. a second seal seat; 7. a second transmission rod; 8. a second hand wheel; 9. a front sealing butterfly sheet; 10. a boss-shaped seal ring; 11. sealing the disc; 12. connecting the loop bar; 13. a turbine case; 14. a drive shaft; 15. a turbine; 16. a worm; 17. a third seal seat; 18. code disc; 19. sealing the butterfly sheet; 20. and (4) combining the sealing rings.
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.
Referring to fig. 1-3, the utility model provides a two-way sealing leakage-proof butterfly valve, which comprises a butterfly valve body 1, wherein mounting flanges 2 are fixedly arranged at two side ports of the butterfly valve body 1, one side of the cavity of the butterfly valve body 1 is rotatably connected with a front sealing butterfly sheet 9, the top end of the front sealing butterfly sheet 9 is fixedly connected with a first transmission rod 4 through a gasket, one end of the first transmission rod 4 extends to the outer side of the butterfly valve body 1 and is fixedly provided with a first hand wheel 5, the other side of the cavity of the butterfly valve body 1 is rotatably connected with a rear sealing butterfly sheet 19, the top end of the rear sealing butterfly sheet 19 is fixedly connected with a second transmission rod 7 through a gasket, one end of the second transmission rod 7 extends to the outer side of the butterfly valve body 1 and is fixedly provided with a second hand wheel 8, the middle part of the cavity of the butterfly valve body 1 is fixedly connected with a turbine box 13, the surface of the worm wheel 15 is in transmission connection with a worm 16, and one end of the worm 16 penetrates through the worm wheel box 13 and is fixedly connected with a sealing disc 11.
Preferably, a first sealing seat 3 is fixedly arranged at the penetrating connection part of the first transmission rod 4 and the butterfly valve body 1, the first sealing seat 3 is in threaded connection with the first transmission rod 4, the sealing performance of the first transmission rod 4 and the butterfly valve body 1 is improved, liquid permeation is avoided, a second sealing seat 6 is fixedly arranged at the penetrating connection part of the second transmission rod 7 and the butterfly valve body 1, the second sealing seat 6 is in threaded connection with the second transmission rod 7, the sealing performance of the second transmission rod 7 and the butterfly valve body 1 is improved, liquid permeation is avoided, one end of a transmission shaft 14 penetrates through a connecting sleeve rod 12 and the butterfly valve body 1 and is fixedly connected with a coded disc 18, a third sealing seat 17 is fixedly arranged at the outer side surface of the transmission shaft 14 and the butterfly valve body 1, the third sealing seat 17 is in threaded connection with the transmission shaft 14, the transmission shaft 14 is conveniently adjusted through the coded disc 18, a mechanism consisting of a turbine 15 and a worm 16 is easily controlled, and, the leakage is prevented, one side contact of preceding sealing butterfly piece 9 is equipped with boss shape sealing washer 10, boss shape sealing washer 10 inlays with sealed dish 11 and establishes and be connected, preceding sealing butterfly piece 9 and boss shape sealing washer 10 constitute the two-way sealing mechanism of import direction, further improvement leakproofness, back sealing butterfly piece 19 both sides all contact and are equipped with combination sealing washer 20, combination sealing washer 20 and butterfly valve body 1 cavity inner wall fixed connection, back sealing butterfly piece 19 and combination sealing washer 20 constitute the two-way sealing mechanism of export direction, further improvement leakproofness, it is sealed effectual.
When the butterfly valve is used, the bidirectional sealing leakage-proof butterfly valve is wound to install a butterfly valve body 1 into a throttling system through a mounting flange 2, when the butterfly valve body 1 needs to be opened, the opening degree of a front sealing butterfly sheet 9 and a rear sealing butterfly sheet 19 relative to a cavity of the butterfly valve body 1 is convenient to adjust through rotating a first hand wheel 5 and a second hand wheel 8, so that liquid can smoothly circulate, because the sealing disc 11 is of an open-ring-part structure, the circulation of the liquid cannot be blocked, when the butterfly valve is closed, the first hand wheel 5 is firstly rotated, so that the first hand wheel 5 drives the front sealing butterfly sheet 9 to rotate until the butterfly valve is in fit with a boss-shaped sealing ring 10, and then the rear sealing butterfly sheet 19 is in fit with a combined sealing ring 20 through rotating the second hand wheel 8, at the moment, through adjusting a coded disc 18, the coded disc 18 drives a transmission shaft 14 and a turbine 15 to rotate, drive sealed dish 11 motion, sealed dish 11 inlays mutually with boss shape sealing washer 10 and establishes, boss shape sealing washer 10 is propped greatly by sealed dish 11 this moment, the inner wall and the preceding sealed butterfly piece 9 of butterfly valve body 1 of tightly laminating, fully guarantee the leakproofness, it is sealed effectual, prevent that liquid from taking place to leak, the security is good, adopt first hand wheel 5 and second hand wheel 8's mechanism to carry out the operation simultaneously, make things convenient for the both hands operation, reduce the operation degree of difficulty, high durability and convenient use.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a two way seal prevents leaking butterfly valve, includes butterfly valve body (1), its characterized in that, the both sides port department of butterfly valve body (1) is all fixed and is equipped with mounting flange (2), one side of butterfly valve body (1) cavity is rotated and is connected with preceding sealed butterfly piece (9), the first transfer line (4) of gasket fixedly connected with is passed through on the top of preceding sealed butterfly piece (9), the one end of first transfer line (4) extends to the outside of butterfly valve body (1) and fixes and be equipped with first hand wheel (5), the opposite side of butterfly valve body (1) cavity is rotated and is connected with back sealed butterfly piece (19), gasket fixedly connected with second transfer line (7) is passed through on the top of back sealed butterfly piece (19), the one end of second transfer line (7) extends to the outside of butterfly valve body (1) and fixes and is equipped with second hand wheel (8), the middle part of butterfly valve body (1) cavity is through connecting sleeve pole (12) fixedly connected with turbine box (13 The turbine box is characterized in that a turbine (15) is movably connected to the inside of the turbine box (13) through a transmission shaft (14), a worm (16) is connected to the surface of the turbine (15) in a transmission mode, and one end of the worm (16) penetrates through the turbine box (13) and is fixedly connected with a sealing disc (11).
2. A bi-directional sealed leak-proof butterfly valve as defined in claim 1, further comprising: the butterfly valve is characterized in that a first sealing seat (3) is fixedly arranged at the penetrating connection position of the first transmission rod (4) and the butterfly valve body (1), and the first sealing seat (3) is in threaded connection with the first transmission rod (4).
3. A bi-directional sealed leak-proof butterfly valve as defined in claim 1, further comprising: the second transmission rod (7) and the butterfly valve body (1) are fixedly provided with a second sealing seat (6) at the penetrating connection part, and the second sealing seat (6) is in threaded connection with the second transmission rod (7).
4. A bi-directional sealed leak-proof butterfly valve as defined in claim 1, further comprising: one end of the transmission shaft (14) penetrates through the connecting sleeve rod (12) and the butterfly valve body (1) and is fixedly connected with the coded disc (18), a third sealing seat (17) is fixedly arranged on the outer side faces of the transmission shaft (14) and the butterfly valve body (1), and the third sealing seat (17) is in threaded connection with the transmission shaft (14).
5. A bi-directional sealed leak-proof butterfly valve as defined in claim 1, further comprising: one side contact of preceding sealed butterfly piece (9) is equipped with boss shape sealing washer (10), boss shape sealing washer (10) are inlayed with sealed dish (11) and are established and be connected.
6. A bi-directional sealed leak-proof butterfly valve as defined in claim 1, further comprising: and both sides of the rear sealing butterfly sheet (19) are provided with combined sealing rings (20) in a contact manner, and the combined sealing rings (20) are fixedly connected with the inner wall of the cavity of the butterfly valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922081986.0U CN211175425U (en) | 2019-11-28 | 2019-11-28 | Bidirectional sealing leakage-proof butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922081986.0U CN211175425U (en) | 2019-11-28 | 2019-11-28 | Bidirectional sealing leakage-proof butterfly valve |
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| Publication Number | Publication Date |
|---|---|
| CN211175425U true CN211175425U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922081986.0U Active CN211175425U (en) | 2019-11-28 | 2019-11-28 | Bidirectional sealing leakage-proof butterfly valve |
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| CN (1) | CN211175425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115654194A (en) * | 2022-10-08 | 2023-01-31 | 江苏高达阀门有限公司 | Bidirectional sealing butterfly valve and use method thereof |
-
2019
- 2019-11-28 CN CN201922081986.0U patent/CN211175425U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115654194A (en) * | 2022-10-08 | 2023-01-31 | 江苏高达阀门有限公司 | Bidirectional sealing butterfly valve and use method thereof |
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