CN220470650U

CN220470650U - Butterfly valve with good stability

Info

Publication number: CN220470650U
Application number: CN202322151158.6U
Authority: CN
Inventors: 李桦
Original assignee: Shenyang Chuangshi Yuli Hydraulic Equipment Co ltd
Current assignee: Xinshengjia Technology (Changchun) Co.,Ltd.
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-02-09
Anticipated expiration: 2033-08-11

Abstract

The utility model discloses a butterfly valve with good stability, which comprises a valve body, wherein a valve rod is rotatably connected inside the valve body, butterfly plates are fixedly connected to two ends of the valve rod, a rotating handle is arranged on the valve rod, a connecting seat is arranged at the penetrating position of the valve rod and the valve body, a connecting block is fixedly connected to the lower end of the valve body, connecting rods are fixedly connected to two sides of the lower end of the connecting block, a fixing seat is arranged at the lower end of the connecting rod, a first limit groove is arranged inside the fixing seat, and the damping function of the butterfly valve can be realized by arranging the connecting rods, the fixing seat, the first limit groove and a damping spring, so that the stability of the whole butterfly valve in use is improved, the condition that leakage is caused by loosening of a pipeline joint due to vibration of the butterfly valve in use is prevented, meanwhile, the rubber buffer balls are arranged, and the stability of the whole butterfly valve is improved by mutual cooperation of the connecting rods.

Description

Butterfly valve with good stability

Technical Field

The utility model relates to the field of butterfly valves, in particular to a butterfly valve with good stability.

Background

The butterfly valve is also called as a flap valve, and is a regulating valve with simple structure, and the butterfly valve capable of being used for the on-off control of low-pressure pipeline medium is a valve in which a closing member (a valve clack or a butterfly plate) is a disc and rotates around a valve shaft to achieve opening and closing, and 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 metal, radioactive mediums and the like. The pipe is mainly used for cutting and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve opening and closing piece in the valve body, so that the purpose of opening and closing or adjusting is achieved;

in the use of butterfly valves in the prior art, because the flow rate of the internal liquid is unstable, the whole butterfly valve is easy to vibrate, the current butterfly valve is usually fixed by a screw directly and does not have the function of damping and buffering, the butterfly valve can loosen at the joint of the butterfly valve and a pipeline in the long-term vibration process, so that the leakage condition is generated, and meanwhile, impurities in the liquid enter the valve body and damage the butterfly valve equally, so that the service life of the butterfly valve is reduced.

Disclosure of Invention

The utility model aims to provide a butterfly valve with good stability, which solves the problems that in the prior art, the butterfly valve is unstable in flow rate of internal liquid and easy to vibrate, the whole butterfly valve is usually fixed directly through screws and does not have the function of damping and buffering, and the butterfly valve can loosen at the joint of the butterfly valve and a pipeline in the long-term vibration process, so that leakage is generated.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the butterfly valve with good stability comprises a valve body, wherein the valve body is internally and rotatably connected with a valve rod, two ends of the valve rod are fixedly connected with butterfly plates, the valve rod penetrates through the valve body to be upwards provided with a rotary handle, a connecting seat is arranged at the penetrating position of the valve rod and the valve body, the lower end of the valve body is fixedly connected with a connecting block, and two sides of the lower end of the connecting block are fixedly connected with connecting rods;

the lower extreme of connecting rod is provided with the fixing base, the inside of fixing base is provided with first spacing groove, the inside fixedly connected with damping spring of first spacing groove, the lower extreme of connecting rod runs through first spacing groove inwards and is provided with the limiting plate, and the lower extreme and the damping spring fixed connection of limiting plate.

As a further description of the above technical solution: the lower extreme fixedly connected with base of fixing base.

As a further description of the above technical solution: the middle part of base is provided with rubber buffer ball, rubber buffer ball's upper end contacts with the connecting block.

As a further description of the above technical solution: the connecting piece is arranged at two ends of the valve body in a penetrating mode, and the connecting flange is arranged at the other end of the connecting piece.

As a further description of the above technical solution: the inner side of the connecting flange is fixedly connected with a fixing ring, a second limiting groove is formed in the fixing ring, and a limiting block is correspondingly arranged in the second limiting groove.

As a further description of the above technical solution: the inside fixedly connected with filter screen of stopper, the inside threaded connection of stopper and second spacing groove has the screw rod.

The utility model has the following beneficial effects:

1. compared with the prior art, the butterfly valve with good stability can realize the damping function of the butterfly valve by arranging the connecting rod, the fixing seat, the first limiting groove and the damping spring, so that the stability of the whole butterfly valve in use is improved, the condition that the pipeline connecting part loosens and leaks due to vibration of the butterfly valve in use is prevented, meanwhile, the butterfly valve can also have the buffering function by arranging the rubber buffering ball, and the stability of the whole butterfly valve is improved by mutual cooperation of the rubber buffering ball and the damping spring;

2. compared with the prior art, this butterfly valve that stability is good can install the filter screen in flange's inside through setting up spacing subassembly, and its filtration can be realized to inside filter screen when being connected with the pipeline, prevents that impurity in the liquid from entering into the inside of valve body and causing the damage to the valve body, reduces butterfly valve's life.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The utility model is further illustrated by the following figures and examples;

FIG. 1 is a schematic diagram of the overall structure of a butterfly valve with good stability;

FIG. 2 is a schematic diagram of a screen assembly of a butterfly valve of the present utility model with good stability;

FIG. 3 is a schematic view of the inside of a fixed seat of a butterfly valve with good stability;

FIG. 4 is a schematic view of a connecting flange of a butterfly valve with good stability according to the present utility model.

Legend description:

1. rotating the handle; 2. a connecting seat; 3. a valve stem; 4. a connecting piece; 5. a base; 6. a connecting block; 7. rubber buffer balls; 8. a fixing seat; 9. a valve body; 10. a connecting flange; 11. a butterfly plate; 12. a screw; 13. a filter screen; 14. a limiting block; 15. a fixing ring; 16. a limiting plate; 17. a damping spring; 18. a first limit groove; 19. a connecting rod; 20. and the second limit groove.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a butterfly valve that stability is good, including valve body 9, the inside rotation of valve body 9 is connected with valve rod 3, the both ends fixedly connected with butterfly plate 11 of valve rod 3, rotation handle 1 through the rotation top can make valve rod 3 drive butterfly plate 11 and rotate, thereby realize the work of opening and close of whole butterfly valve, valve rod 3 runs through valve body 9 and upwards is provided with rotation handle 1, and the department of running through of valve rod 3 and valve body 9 is provided with connecting seat 2, connecting seat 2 plays sealing connection's effect, can ensure the leakproofness between valve rod 3 and the valve body 9, the lower extreme fixedly connected with connecting block 6 of valve body 9, the lower extreme both sides fixedly connected with connecting rod 19 of connecting block 6;

the lower extreme of connecting rod 19 is provided with fixing base 8, the inside of fixing base 8 is provided with first spacing groove 18, the inside fixedly connected with damping spring 17 of first spacing groove 18, the lower extreme of connecting rod 19 runs through first spacing groove 18 inwards and is provided with limiting plate 16, and the lower extreme and the damping spring 17 fixed connection of limiting plate 16, the condition that the whole butterfly valve can shake in the use, at this moment, connecting rod 19 atress of bottom moves down, thereby drive limiting plate 16 extrudees the damping spring 17 of first spacing groove 18 inside, can realize the shock attenuation cushioning effect of whole valve body 9 under damping spring 17, increase the stability of whole valve body 9, can prevent the condition that the pipeline junction that vibrations produced is not hard up and leak simultaneously;

the lower end of the fixed seat 8 is fixedly connected with the base 5, the middle part of the base 5 is provided with a rubber buffer ball 7, the upper end of the rubber buffer ball 7 is contacted with the connecting block 6, and the connecting block 6 can also extrude the rubber buffer ball 7 in the downward process, so that the buffer effect is realized, and the two are matched with each other to increase the stability of the whole valve body 9;

the both ends of valve body 9 run through and are provided with connecting piece 4, the other end of connecting piece 4 is provided with flange 10, flange 10's inboard fixedly connected with solid fixed ring 15, gu the inside of fixed ring 15 is provided with second spacing groove 20, the inside of second spacing groove 20 corresponds and is provided with stopper 14, stopper 14's inboard fixedly connected with filter screen 13, stopper 14 and second spacing groove 20's inside threaded connection has screw rod 12, valve body 9's feed liquor end is provided with filter screen 13, can carry out the filtration to the impurity in the liquid through filter screen 13, prevent that impurity in the liquid from entering into the inside of valve body 9 and causing the damage to valve body 9, reduce the life of butterfly valve, simultaneously, can be convenient for the staff to dismantle the filter screen 13 under the effect between second spacing groove 20 and stopper 14, thereby increase the filter effect of whole filter screen 13.

Working principle: when the device is used, firstly, the whole valve body 9 is placed at a proper position, two ends of the valve body 9 can be connected with a liquid pipeline through the connecting flanges 10 at two ends, the rotating handle 1 above the rotating handle can enable the valve rod 3 to drive the raft plates 11 at two ends to rotate, so that the whole butterfly valve works normally, the whole butterfly valve can vibrate in the using process, at the moment, the connecting rod 19 at the bottom is stressed to move downwards, the limiting plate 16 is driven to extrude the damping spring 17 inside the first limiting groove 18, the damping and buffering effects of the whole valve body 9 can be achieved under the action of the damping spring 17, the stability of the whole valve body 9 is improved, meanwhile, the condition that the pipeline joint generated by vibration is loosened and leaked can be prevented, meanwhile, the filter screen 13 is arranged at the liquid inlet end of the valve body 9, impurities in liquid can be filtered, the impurities in the liquid are prevented from entering the valve body 9, the inside of the valve body 9 is prevented from damaging the valve body 9, and the service life of the butterfly valve is reduced.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a butterfly valve that stability is good, includes valve body (9), its characterized in that: the novel valve is characterized in that a valve rod (3) is rotatably connected to the inside of the valve body (9), butterfly plates (11) are fixedly connected to the two ends of the valve rod (3), a rotary handle (1) is upwards arranged on the valve rod (3) penetrating through the valve body (9), a connecting seat (2) is arranged at the penetrating position of the valve rod (3) and the valve body (9), a connecting block (6) is fixedly connected to the lower end of the valve body (9), and connecting rods (19) are fixedly connected to the two sides of the lower end of the connecting block (6);

the lower extreme of connecting rod (19) is provided with fixing base (8), the inside of fixing base (8) is provided with first spacing groove (18), the inside fixedly connected with damping spring (17) of first spacing groove (18), the lower extreme of connecting rod (19) runs through first spacing groove (18) inwards and is provided with limiting plate (16), and the lower extreme and the damping spring (17) fixed connection of limiting plate (16).

2. The butterfly valve with good stability according to claim 1, wherein the lower end of the fixed seat (8) is connected with the base (5).

3. The butterfly valve with good stability according to claim 2, characterized in that the middle part of the base (5) is provided with a rubber buffer ball (7), and the upper end of the rubber buffer ball (7) is contacted with the connecting block (6).

4. The butterfly valve with good stability according to claim 1, characterized in that the two ends of the valve body (9) are provided with connecting pieces (4) in a penetrating way, and the other ends of the connecting pieces (4) are provided with connecting flanges (10).

5. The butterfly valve with good stability according to claim 4, wherein the inner side of the connecting flange (10) is fixedly connected with a fixing ring (15), a second limit groove (20) is arranged in the fixing ring (15), and a limit block (14) is correspondingly arranged in the second limit groove (20).

6. The butterfly valve with good stability according to claim 5, wherein the inner side of the limiting block (14) is fixedly connected with a filter screen (13), and the limiting block (14) is connected with a screw (12) in an internal thread manner with the second limiting groove (20).