CN220727134U

CN220727134U - Pneumatic wave-making butterfly valve

Info

Publication number: CN220727134U
Application number: CN202321831661.XU
Authority: CN
Inventors: 王坤情; 王建来; 陈美玲
Original assignee: Tianjin Wanli Valve Manufacturing Co ltd
Current assignee: Tianjin Wanli Valve Manufacturing Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-04-05
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses a pneumatic wave-making butterfly valve, and relates to the technical field of pneumatic butterfly valves; the valve comprises a valve body, wherein a valve shaft is rotatably inserted in the valve body, a valve clack is fixedly arranged on the outer side of the valve shaft, the valve clack is movably clamped in the valve body, a first flange is fixedly arranged at one end, far away from the valve body, of the valve shaft, and a support frame is fixedly arranged at one side, close to the first flange, of the valve body; according to the utility model, the first flange, the second flange, the valve shaft, the valve clack, the pneumatic actuator and other structures are arranged, so that when a certain structure of the butterfly valve is damaged, the butterfly valve can be replaced, the problem that the butterfly valve needs to be completely replaced once damaged is avoided, and the purpose of convenient maintenance and replacement is achieved.

Description

Pneumatic wave-making butterfly valve

Technical Field

The utility model relates to the technical field of pneumatic butterfly valves, in particular to a pneumatic wave-making butterfly valve.

Background

The pneumatic butterfly valve is composed of a pneumatic actuator and a butterfly valve, the pneumatic butterfly valve is a pneumatic valve which is started and stopped by a circular butterfly plate rotating along with a valve rod, and is mainly used as a stop valve, and the pneumatic butterfly valve can also be designed to have the functions of adjusting or stopping the valve and adjusting, so that the butterfly valve is increasingly used on low-pressure large-medium-caliber pipelines, and the pneumatic butterfly valve is classified as follows: the pneumatic butterfly valve has the main advantages of being simple in structure, small in size, light in weight and low in manufacturing cost, being particularly remarkable in characteristics, being installed in a high-altitude blind channel, being convenient to control and operate through a two-position five-way electromagnetic valve, being capable of adjusting flow media, being very wasted once a certain part of the existing device is damaged, being very worn, being poor in sealing effect, and being used for solving the problems.

Disclosure of Invention

In order to solve the problem that the butterfly valve needs to be replaced completely once damaged; the utility model aims to provide a pneumatic wave-making butterfly valve.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a pneumatic butterfly valve that makes unrestrained, includes the valve body, the valve body internal rotation inserts and is equipped with the valve shaft, and the valve shaft is used for controlling the valve clack, valve shaft outside fixed mounting is equipped with the valve clack, valve clack activity card is established in the valve body, and the valve clack is used for controlling the switch of valve body, the valve shaft is kept away from the one end of valve body and is fixedly equipped with a flange, and a flange is convenient for carry out fixed connection, the valve body is close to the fixed support frame that is equipped with in one side of a flange, and the support frame is used for fixed support, one side fixed mounting that the valve shaft was kept away from to the support frame is equipped with pneumatic actuator, and pneumatic actuator is used for controlling valve clack and valve shaft, pneumatic actuator output is fixed to be equipped with the dwang, and pneumatic actuator rotates and drives the dwang and swings to drive the valve shaft, the one end that No. two dwang is close to the valve body is fixed and is equipped with No. two flanges, and No. two flanges are convenient to carry out connection installation to pneumatic actuator.

Preferably, the fixed cover in valve clack outside is equipped with the sealing washer, the sealing washer is located between valve clack and the valve body, the fixed crisscross annular stopper that is equipped with of valve body inner wall, two annular stopper is located the valve clack both sides, the fixed sealing strip that is equipped with in one side that annular stopper is relative, and the sealing washer can closely laminate valve clack and valve body inner wall to improve sealed effect, when the valve clack is closed, annular stopper can carry out spacingly to the valve clack, and the sealing effect of valve clack and valve body can be improved to the sealing strip simultaneously.

Preferably, the valve shaft outside fixed mounting is equipped with the mount that is the symmetric distribution, the valve body outside is fixed to be equipped with and is the flange No. three of symmetric distribution, and the mount is convenient for carry out fixed connection with valve clack and valve shaft, mount internal thread inserts and is equipped with a screw, a screw thread penetration is established in the valve shaft, and a screw is used for carrying out fixed connection with valve shaft and mount, and it is convenient to dismantle it simultaneously and changes, mount internal thread inserts and is equipped with and is the screw No. two of symmetric distribution, no. two screw thread penetration is established in the valve clack, and No. two screws are used for carrying out fixed connection with valve clack and mount to carry out fixed connection with valve shaft and valve clack.

Preferably, the valve body is close to one side internal fixation who supports the frame and is equipped with the sealing ring, the valve shaft activity is run through and is established in the sealing ring, and the sealing ring seals between valve shaft and the valve body, prevents the infiltration, pneumatic actuator outside is fixed to be equipped with and is the fixed block that rectangular array distributes, the fixed block internal thread is inserted and is equipped with No. three screws, screw thread run through is established in the support frame, and the fixed block is used for connecting pneumatic actuator, and No. three screws can carry out fixed mounting with pneumatic actuator, and convenient dismantlement to it simultaneously, no. two movable bolt that is annular array and distributes is inserted in the flange of being equipped with in the activity of bolt run through, bolt outside thread bush is equipped with the nut, and the bolt is convenient to carry out fixed mounting between flange and the flange of No. two with the nut.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the first flange, the second flange, the valve shaft, the valve clack, the pneumatic actuator and other structures are arranged, so that when a certain structure of the butterfly valve is damaged, the butterfly valve can be replaced, the problem that the butterfly valve is completely replaced once damaged is avoided, and the purpose of convenient maintenance and replacement is achieved;

2. according to the utility model, the sealing ring, the annular limiting block, the sealing strip and other structures are arranged, so that the sealing effect of the valve clack is better when the valve clack is closed, the problem of water seepage is avoided, and the aim of improving the sealing effect is fulfilled.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is another schematic view of the structure of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2A, which is a structural view of the present utility model;

FIG. 4 is an enlarged schematic view of B in FIG. 2, which is a structural diagram of the present utility model;

FIG. 5 is a schematic cross-sectional view of the structure of the present utility model;

fig. 6 is an enlarged schematic view of C in fig. 5, which is a structural diagram of the present utility model.

In the figure: 1. a valve body; 11. a valve shaft; 12. a valve flap; 13. a fixing frame; 14. a first screw; 15. a second screw; 16. a first flange; 17. a seal ring; 18. a third flange; 2. a support frame; 21. a pneumatic actuator; 22. a rotating lever; 23. a second flange; 24. a bolt; 25. a nut; 3. a seal ring; 31. an annular limiting block; 32. and (5) a sealing strip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: as shown in fig. 1-6, the utility model provides a pneumatic wave-making butterfly valve, which comprises a valve body 1, wherein a valve shaft 11 is rotatably inserted in the valve body 1, the valve shaft 11 is used for controlling a valve clack 12, the valve clack 12 is fixedly arranged at the outer side of the valve shaft 11, the valve clack 12 is movably clamped in the valve body 1, the valve clack 12 is used for controlling the opening and closing of the valve body 1, a first flange 16 is fixedly arranged at one end of the valve shaft 11 far away from the valve body 1, the first flange 16 is convenient for fixedly connecting, a support frame 2 is fixedly arranged at one side of the valve body 1 near the first flange 16, the support frame 2 is used for fixedly supporting, a pneumatic actuator 21 is fixedly arranged at one side of the support frame 2 far away from the valve shaft 11, the pneumatic actuator 21 is used for controlling the valve clack 12 and the valve shaft 11, a rotating rod 22 is fixedly arranged at the output end of the pneumatic actuator 21, the rotating rod 22 is driven to swing, thereby driving the valve shaft 11 to swing, a second flange 23 is fixedly arranged at one end of the second rotating rod 22 near the valve body 1, and the second flange 23 is convenient for connecting and mounting the pneumatic actuator 21.

The outer side of the valve shaft 11 is fixedly provided with a symmetrically distributed fixing frame 13, and the outer side of the valve body 1 is fixedly provided with a symmetrically distributed third flange 18.

By adopting the technical scheme, the fixing frame 13 is convenient to be fixedly connected with the valve clack 12 and the valve shaft 11.

The first screw 14 is inserted into the internal thread of the fixing frame 13, and the first screw 14 is inserted into the valve shaft 11.

Through adopting above-mentioned technical scheme, screw 14 is used for carrying out fixed connection with valve shaft 11 and mount 13, conveniently dismantle it simultaneously and change.

The second screws 15 which are symmetrically distributed are inserted into the inner threads of the fixing frame 13, and the second screws 15 are inserted into the valve clack 12 in a threaded manner.

Through adopting above-mentioned technical scheme, no. two screws 15 are used for carrying out fixed connection with valve clack 12 and mount 13 to carry out fixed connection with valve shaft 11 and valve clack 12.

A sealing ring 17 is fixedly arranged in one side of the valve body 1 close to the support frame 2, and the valve shaft 11 is movably inserted into the sealing ring 17.

By adopting the technical scheme, the sealing ring 17 seals between the valve shaft 11 and the valve body 1 to prevent water seepage.

The outside of the pneumatic actuator 21 is fixedly provided with fixing blocks 26 distributed in a rectangular array, a third screw 27 is inserted into the fixing blocks 26 in a threaded manner, and the screws 27 are inserted into the support frame 2 in a threaded manner.

Through adopting above-mentioned technical scheme, fixed block 26 is used for connecting pneumatic actuator 21, and No. three screw 27 can carry out fixed mounting with pneumatic actuator 21, conveniently dismantle it simultaneously.

Bolts 24 distributed in an annular array are movably inserted into the second flange 23, the bolts 24 are movably inserted into the first flange 16, and nuts 25 are sleeved on the outer side threads of the bolts 24.

By adopting the technical scheme, the bolts 24 and the nuts 25 facilitate the fixed installation between the first flange 16 and the second flange 23.

Embodiment two: as shown in fig. 6, the sealing ring 3 is fixedly sleeved outside the valve clack 12, the sealing ring 3 is located between the valve clack 12 and the valve body 1, annular limiting blocks 31 are fixedly and alternately arranged on the inner wall of the valve body 1, two annular limiting blocks 31 are located on two sides of the valve clack 12, sealing strips 32 are fixedly arranged on the opposite sides of the annular limiting blocks 31, the sealing ring 3 can tightly attach the valve clack 12 to the inner wall of the valve body 1, so that the sealing effect is improved, when the valve clack 12 is closed, the annular limiting blocks 31 can limit the valve clack 12, and meanwhile, the sealing strips 32 can improve the sealing effect of the valve clack 12 and the valve body 1.

Working principle: firstly, if the pneumatic actuator 21 breaks down and needs to be replaced, the first flange 23 and the second flange 16 can be detached through the bolts 24 and the nuts 25, then the pneumatic actuator 21 can be detached through the third screw 27, then a new pneumatic actuator 21 can be installed and replaced through the same method, if the valve shaft 11 and the valve clack 12 are damaged, the pneumatic actuator 21 is detached through the method, then the first screw 14 and the second screw 15 are detached, the valve shaft 11 and the valve clack 12 are extracted to be replaced, the problem that the valve clack 12 and the inner wall of the valve body 1 are completely replaced once damaged is avoided, the purpose of convenient maintenance and replacement is achieved, the valve clack 12 and the inner wall of the valve body 1 can be closely attached by the sealing ring 3, the sealing effect is improved, the annular limiting block 31 can limit the valve clack 12 when the valve clack 12 is closed, meanwhile, the sealing strip 32 can improve the sealing effect of the valve clack 12 and the valve body 1, the phenomenon that water seepage occurs due to the fact that the sealing effect is not high is avoided, and the purpose of improving the sealing effect is achieved.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The utility model provides a pneumatic butterfly valve that makes unrestrained, includes valve body (1), its characterized in that: a valve shaft (11) is rotatably inserted in the valve body (1), a valve clack (12) is fixedly arranged on the outer side of the valve shaft (11), the valve clack (12) is movably clamped in the valve body (1), and a first flange (16) is fixedly arranged at one end, far away from the valve body (1), of the valve shaft (11);

one side that valve body (1) is close to flange (16) is fixed and is equipped with support frame (2), one side fixed mounting that valve shaft (11) were kept away from to support frame (2) is equipped with pneumatic actuator (21), pneumatic actuator (21) output is fixed and is equipped with No. two dwang (22), no. two dwang (22) are close to one end that valve body (1) is fixed and are equipped with flange (23) No. two.

2. The pneumatic wave-making butterfly valve according to claim 1, wherein a sealing ring (3) is fixedly sleeved on the outer side of the valve clack (12), the sealing ring (3) is positioned between the valve clack (12) and the valve body (1), annular limiting blocks (31) are fixedly and alternately arranged on the inner wall of the valve body (1), two annular limiting blocks (31) are positioned on two sides of the valve clack (12), and sealing strips (32) are fixedly arranged on one side opposite to the annular limiting blocks (31).

3. The pneumatic wave-making butterfly valve according to claim 1, wherein a symmetrically-distributed fixing frame (13) is fixedly arranged on the outer side of the valve shaft (11), and a symmetrically-distributed third flange (18) is fixedly arranged on the outer side of the valve body (1).

4. A pneumatic wave butterfly valve according to claim 3, characterized in that the internal thread of the fixing frame (13) is inserted with a first screw (14), and the first screw (14) is inserted into the valve shaft (11) in a threaded manner.

5. A pneumatic wave butterfly valve according to claim 3, wherein the second screws (15) are symmetrically distributed in the fixing frame (13) in a threaded manner, and the second screws (15) are inserted into the valve clack (12) in a threaded manner.

6. The pneumatic wave-making butterfly valve according to claim 1, wherein a sealing ring (17) is fixedly arranged in one side of the valve body (1) close to the supporting frame (2), and the valve shaft (11) is movably inserted into the sealing ring (17).

7. The pneumatic wave-making butterfly valve according to claim 1, wherein fixing blocks (26) distributed in a rectangular array are fixedly arranged on the outer side of the pneumatic actuator (21), three screws (27) are inserted into the fixing blocks (26) in a threaded mode, and the screws (27) are inserted into the supporting frame (2) in a threaded penetrating mode.

8. The pneumatic wave-making butterfly valve according to claim 1, wherein bolts (24) distributed in an annular array are movably inserted in the second flange (23), the bolts (24) are movably inserted into the first flange (16), and nuts (25) are sleeved on the outer side threads of the bolts (24).