CN219299951U

CN219299951U - Butterfly valve with multiple seal structure

Info

Publication number: CN219299951U
Application number: CN202320896140.6U
Authority: CN
Inventors: 孙长瑞; 宋庆林; 李妍
Original assignee: Tianjin Yichuang Energy Saving Technology Co ltd
Current assignee: Tianjin Yichuang Energy Saving Technology Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-07-04
Anticipated expiration: 2033-04-20

Abstract

The utility model discloses a butterfly valve with a multiple sealing structure, which belongs to the technical field of butterfly valves and aims at the problems of incomplete sealing and unstable sealing plate of the butterfly valve, and the butterfly valve comprises a mounting pipe, wherein a placing groove is formed in the middle end of the inside of the mounting pipe, a first rotating disc is rotationally connected to the inside of the placing groove, a second rotating disc is rotationally connected to the two ends of the placing groove, mounting blocks are fixedly arranged at the middle ends of the two sides of the first rotating disc, a rotating block is rotationally connected to the middle part of the mounting block, a rotating piece is rotationally connected to the other end of the rotating block, connecting blocks are fixedly arranged at the middle parts of opposite sides of the second rotating disc, fixing blocks are fixedly arranged on the rotating block and the opposite sides of the rotating piece, and extrusion springs are fixedly arranged on the opposite sides of the fixing blocks; according to the utility model, through the mutual matching operation among the first rotating disc, the rotating block, the rotating piece, the extrusion spring, the second rotating disc and the rubber sealing ring, the mounting pipe can be sealed for multiple times, and the damage caused by long-term use of the sealing structure is avoided, so that leakage is avoided.

Description

Butterfly valve with multiple seal structure

Technical Field

The utility model belongs to the technical field of butterfly valves, and particularly relates to a butterfly valve with a multiple sealing structure.

Background

The butterfly valve is also called a flap valve, and is a regulating valve with simple structure, the butterfly valve capable of being used for the on-off control of low-pressure pipeline medium is characterized in that a closing member (a valve clack or a butterfly plate) is a disc, the butterfly valve rotates around a valve shaft to achieve the opening and closing, the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive mediums, slurry, oil products, liquid metals, radioactive mediums and the like, the valve mainly plays the roles of cutting off and throttling on a pipeline, the butterfly valve opening and closing member is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve in a valve body, so that the aim of opening and closing or regulating is achieved.

At present, after the existing butterfly valve is used for a long time, the internal sealing structure can cause partial loss, so that the sealing is incomplete, therefore, the butterfly valve with multiple sealing structures needs to be designed, and the existing sealing structure is inconvenient to stabilize the internal sealing plate, so that leakage gas or water and the like can be caused.

Therefore, a butterfly valve with multiple sealing structures is needed, and the problems that the butterfly valve is not fully sealed and a sealing plate is not stable in the prior art are solved.

Disclosure of Invention

The present utility model is directed to a butterfly valve with multiple sealing structures, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a butterfly valve with multiple seal structure, includes the installation tube, the standing groove has been seted up to the inside middle-end of installation tube, the inside rotation of standing groove is connected with first rolling disc, the both ends of standing groove rotate and are connected with the second rolling disc, the both sides middle-end of first rolling disc is fixed with the installation piece, the middle part of installation piece rotates and is connected with the rolling block, the other end of rolling block rotates and is connected with the rotating member, the opposite side middle part of second rolling disc is fixed with the connecting block, the rolling block all is fixed with the fixed block with the opposite side of rotating member, the opposite side of fixed block is fixed with extrusion spring jointly, the inside four corners of standing groove all is fixed with a plurality of extension springs, extension spring's opposite side is fixed with the holder, opposite side center department of holder is fixed with the pulling rod.

In the scheme, the rubber sealing rings are fixed at two ends of the inside of the installation pipe, and the inner wall of the second rotating disc is attached to the inner wall of the placing groove.

It is further worth to say that the center department of first carousel is fixed with the dwang, the top of dwang is fixed with the hand wheel.

It should be further noted that the other end of the rotating member is rotatably connected to the inside of the connecting block, and the mounting block and the connecting block are both U-shaped.

As a preferred embodiment, the opposite sides of the pull rod are fixed with a booster, and the opposite sides of the clamping piece are attached to the outer part of the second rotating disk.

As a preferred embodiment, the front end of the outer part of the mounting tube is fixed with a flange, the pulling rod is slidably connected inside the placing groove, and the clamping piece is slidably connected inside the placing groove.

Compared with the prior art, the butterfly valve with the multiple sealing structures provided by the utility model at least comprises the following beneficial effects:

(1) Through the operation of mutually supporting between first carousel, rotor, extrusion spring, second rotor, the rubber seal, can realize carrying out sealed many times with the installation pipe, avoid seal structure long-term use to lead to damaging to leak.

(2) Through the mutually supporting operation between helping hand spare, pulling rod, holder, the extension spring, can realize fixing the second rolling disc to avoid the second rolling disc sealed unstable, lead to the second rolling disc damage.

Drawings

FIG. 1 is a front perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the mounting tube of the present utility model;

FIG. 3 is a top cross-sectional view of the mounting tube of the present utility model;

fig. 4 is a partial block diagram of a clip according to the present utility model.

In the figure: 1. installing a pipe; 2. a first rotating disc; 3. a mounting block; 4. a rotating block; 5. a rotating member; 6. a fixed block; 7. extruding a spring; 8. a second rotating disc; 9. a connecting block; 10. a placement groove; 11. a rubber seal ring; 12. a tension spring; 13. a clamping member; 14. pulling the rod; 15. a booster; 16. a rotating lever; 17. a hand wheel; 18. and (3) a flange.

Detailed Description

The utility model is further described below with reference to examples.

Referring to fig. 1-4, the utility model provides a butterfly valve with a multiple sealing structure, which comprises a mounting tube 1, wherein a placing groove 10 is formed in the middle end of the interior of the mounting tube 1, the placing groove 10 is mainly used for facilitating the rotation of a first rotating disc 2 and a second rotating disc 8, the mounting tube 1 is further conveniently subjected to multiple sealing, the first rotating disc 2 is rotationally connected to the interior of the placing groove 10, the second rotating disc 8 is rotationally connected to the two ends of the placing groove 10, a mounting block 3 is fixedly arranged at the middle ends of the two sides of the first rotating disc 2, the mounting block 3 is mainly used for facilitating the rotation of the rotating block 4, the rotating piece 5 can be driven to rotate, the middle part of the mounting block 3 is rotationally connected with the rotating block 4, the other end of the rotating block 4 is rotationally connected with the rotating piece 5, the rotating piece 5 and the rotating block 4 can be driven to extrude by a compression spring 7, the rotating piece can drive the second rotating disc 8 to rotate, the two ends of the placing groove 10 can be sealed, a connecting block 9 is fixedly arranged at the middle part of the opposite side of the second rotating disc 8, a fixing block 6 is fixedly arranged at the two opposite sides of the rotating block 4 and the rotating piece 5, a fixing block 6 is fixedly arranged at the opposite sides of the rotating block 4 and the two sides of the rotating disc 6 are fixedly connected with a stretching spring 12, the two sides of the stretching spring 13 are fixedly clamped by the stretching spring 13, and the stretching spring 13 is fixedly arranged at the two sides of the stretching spring 13 are fixedly clamped by the stretching spring 12 and fixedly arranged at the two sides 12 opposite sides are fixedly clamped

sides

12, and 12 are fixedly clamped by the stretching spring 12 and fixedly arranged.

Further, as shown in fig. 1, 2 and 3, it should be specifically explained that the rubber sealing rings 11 are fixed at two ends of the inside of the installation tube 1, the second rotating disc 8 is attached to the inner wall of the placement groove 10, and the second rotating disc 8 can mainly seal two ends of the placement groove 10.

As further shown in fig. 1, 2, 3 and 4, it should be noted that a rotating rod 16 is fixed at the center of the first rotating disc 2, a hand wheel 17 is fixed at the top end of the rotating rod 16, and the hand wheel 17 mainly can drive the rotating rod 16 to rotate and further can drive the first rotating disc 2 to rotate, so that the placing groove 10 can be sealed.

The scheme comprises the following working processes: when the installation tube 1 needs to be sealed, the hand wheel 17 is rotated firstly, so that the hand wheel 17 can drive the rotating rod 16 to rotate, the first rotating disc 2 can be further driven to rotate, the placing groove 10 can be sealed when the first rotating disc 2 rotates, the installation block 3 can be driven to rotate, the rotating block 4 can be further driven to rotate, the rotating piece 5 can be driven to rotate, the pressing spring 7 can be conveniently pressed to reset, the second rotating disc 8 can be driven to rotate, the second rotating disc 8 can be further sealed with the two ends of the placing groove 10, and when the second rotating disc 8 needs to be kept stable, the booster 15 is stressed firstly, the pulling rod 14 can be driven to pull, the clamping piece 13 can be further driven to press the stretching spring 12, the booster 15 can be released, the stretching spring 12 can be reset, the clamping piece 13 can be further driven to bear force, and the second rotating disc 8 can be further stabilized.

The working process can be as follows: the hand wheel 17 is rotated to drive the rotating rod 16 to rotate, the first rotating disc 2 is further rotated, meanwhile, the second rotating disc 8 is driven to rotate through the force extrusion of the extrusion spring 7, the mounting tube 1 can be sealed for many times, and the second rotating disc 8 is convenient to stabilize through the effect of the clamping piece 13.

Further, as shown in fig. 2 and 3, it is worth specifically explaining that the other end of the rotating member 5 is rotatably connected inside the connecting block 9, and the mounting block 3 and the connecting block 9 are all U-shaped, so that the rotating member 5 can facilitate the rotating block 4 to rotate.

As further shown in fig. 1 and 4, it should be noted that the opposite sides of the pull rod 14 are fixed with the aid of the auxiliary member 15, and the opposite sides of the clamping member 13 are attached to the outer portion of the second rotating disc 8, so that the second rotating disc 8 is mainly secured by the clamping member 13 by the pull rod 14.

As further shown in fig. 1, 2, 3 and 4, it should be noted that the flange 18 is fixed at the front end of the outer portion of the installation tube 1, the pull rod 14 is slidably connected in the placement groove 10, the clamping member 13 is slidably connected in the placement groove 10, and the pull rod 14 can mainly drive the clamping member 13 to bear force and further drive the tension spring 12 to bear force and squeeze.

To sum up: through rotating the hand wheel 17, make it can drive the dwang 16 and rotate, further can drive first rolling disc 2 and rotate, can seal standing groove 10 when simultaneously, when first rolling disc 2 rotates, can drive installation piece 3 and rotate, further can drive the rolling piece 4 and rotate, make it can drive the rolling piece 5 and rotate, make it can be convenient for squeeze spring 7 to reset, thereby can drive second rolling disc 8 and rotate, can make second rolling disc 8 and the both ends of standing groove 10 further seal, further can carry out multiple sealing with installation tube 1, and through pulling rod 14, further can drive clamping piece 13 extrusion extension spring 12, make its atress, simultaneously can loosen helping hand piece 15, make its extension spring 12 reset, further can drive clamping piece 13 atress, thereby can stabilize second rolling disc 8.

Claims

1. The utility model provides a butterfly valve with multiple seal structure, includes installation pipe (1), its characterized in that, standing groove (10) have been seted up to the inside middle-end of installation pipe (1), the inside rotation of standing groove (10) is connected with first rolling disc (2), the both ends rotation of standing groove (10) are connected with second rolling disc (8), the both sides middle-end of first rolling disc (2) is fixed with installation piece (3), the middle part rotation of installation piece (3) is connected with rolling block (4), the other end rotation of rolling block (4) is connected with rotating member (5), the opposite side middle part of second rolling disc (8) is fixed with connecting block (9), the opposite side of rolling block (4) and rotating member (5) all is fixed with fixed block (6), the opposite side of fixed block (6) is fixed with extrusion spring (7) jointly, the inside four corners of standing groove (10) all is fixed with a plurality of extension spring (12), the opposite side of extension spring (12) is fixed with clamping piece (13), the opposite side rotation of clamping piece (13) is fixed with clamping piece (14) opposite side center department pulling.

2. A butterfly valve with multiple seal structure according to claim 1, wherein: rubber sealing rings (11) are fixed at two ends of the inside of the installation pipe (1), and the inner wall of the second rotating disc (8) and the inner wall of the placing groove (10) are attached.

3. A butterfly valve with multiple seal structure according to claim 1, wherein: a rotating rod (16) is fixed at the center of the first rotating disc (2), and a hand wheel (17) is fixed at the top end of the rotating rod (16).

4. A butterfly valve with multiple seal structure according to claim 1, wherein: the other end of the rotating piece (5) is rotationally connected inside the connecting block (9), and the mounting block (3) and the connecting block (9) are U-shaped.

5. A butterfly valve with multiple seal structure according to claim 1, wherein: and a booster (15) is fixed on the opposite side of the pulling rod (14), and the opposite side of the clamping piece (13) is attached to the outer part of the second rotating disc (8).

6. A butterfly valve with multiple seal structure according to claim 1, wherein: the front end of the outer part of the installation pipe (1) is fixedly provided with a flange (18), the pulling rod (14) is connected inside the placing groove (10) in a sliding mode, and the clamping piece (13) is connected inside the placing groove (10) in a sliding mode.