CN213575614U

CN213575614U - Elastic sealing butterfly valve

Info

Publication number: CN213575614U
Application number: CN202022572111.3U
Authority: CN
Inventors: 徐晓燕
Original assignee: Jiaozhou Sanneng Boiler Equipment Co ltd
Current assignee: Jiaozhou Sanneng Boiler Equipment Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-06-29
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses an elastic sealing butterfly valve, including the pipe, the upper end fixedly connected with fixed block of pipe, the inside of fixed block is equipped with the actuating mechanism who is used for providing power, the inside of pipe is equipped with first butterfly plate and second butterfly plate, the inside of pipe is equipped with and is used for controlling first butterfly plate and second butterfly plate pivoted slewing mechanism with actuating mechanism complex. The utility model discloses it is rational in infrastructure, can drive the slider through the motor and slide inside the spout, drive first pivot and second pivot afterwards and toward opposite direction rotation, and then drive the butterfly valve and open or close, can also improve the leakproofness of butterfly valve, improve the result of use of butterfly valve.

Description

Elastic sealing butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field especially relates to elastic sealing butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. 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 pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate, and rotates around the axis of the butterfly plate, so that the opening and closing or adjusting purpose is achieved.

The torque is very big when the butterfly plate is opened to current butterfly valve for opening of butterfly valve is very hard, and current butterfly valve leakproofness is not high moreover, and then influences the result of use of butterfly valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an elastic sealing butterfly valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

elastic seal butterfly valve, including the pipe, the upper end fixedly connected with fixed block of pipe, the inside of fixed block is equipped with the actuating mechanism who is used for providing power, the inside of pipe is equipped with first butterfly plate and second butterfly plate, the inside of pipe be equipped with actuating mechanism complex be used for controlling first butterfly plate and second butterfly plate pivoted slewing mechanism.

Preferably, actuating mechanism is including setting up in the outside motor of fixed block, the terminal fixedly connected with threaded rod of output shaft of motor, the inside of fixed block is equipped with the spout, the inside sliding connection of spout has the slider, the rear end fixedly connected with push rod of slider, the inside of fixed block is equipped with the device chamber, the inside in device chamber is equipped with the nut, the one end of threaded rod runs through the outside of fixed block and extends to the inside in device chamber, the outer fringe of threaded rod and the middle part threaded connection of nut, the one end of push rod runs through the lateral wall of spout and extends to the inside in device chamber and with one side fixed connection of nut.

Preferably, slewing mechanism is including setting up in the inside first pivot of pipe, the middle part of first butterfly plate and the outer fringe fixed connection of first pivot, the outer fringe of first pivot is equipped with two second pivots, two in the inside symmetrical cover of pipe the outer fringe of second pivot all with the upper and lower both ends fixed connection of second butterfly plate, the diapire of pipe and fixed block is all run through and the inside of spout is extended to in the upper end of first pivot and second pivot, the inside of slider is equipped with the draw-in groove, disc and lower disc are gone up to the upper end difference fixedly connected with of first pivot and second pivot, go up the upper end of disc and the lower extreme difference fixedly connected with gag lever post of lower disc, two the both sides that the draw-in groove was inserted respectively to the gag lever post.

Preferably, the outer edges of the first butterfly plate and the second butterfly plate are symmetrically provided with two semicircular sealing strips, and the two sealing strips are made of rubber.

Preferably, the shape of the clamping groove is cross-shaped.

The utility model has the advantages that:

1. the motor is arranged to drive the threaded rod to rotate, then the threaded rod drives the push rod to move through the nut, and further drives the sliding block to slide in the sliding groove, and then the sliding block drives the first rotating shaft and the second rotating shaft to rotate in opposite directions through the two limiting rods, so that the butterfly valve is driven to be opened or closed;

2. the sealing strips are arranged outside the first butterfly plate and the second butterfly plate, so that the sealing performance of the butterfly valve is improved, and the using effect of the butterfly valve is improved.

Drawings

Fig. 1 is a schematic structural view of an elastic sealing butterfly valve provided by the present invention;

fig. 2 is a diagram of an elastic sealing butterfly valve provided by the present invention;

fig. 3 is a diagram of the elastic sealing butterfly valve provided by the present invention.

In the figure: the device comprises a round tube 1, a fixing block 2, a motor 3, a first butterfly plate 4, a second butterfly plate 5, a first rotating shaft 6, an upper disc 7, a limiting rod 8, a sealing strip 9, a sliding groove 10, a sliding block 11, a clamping groove 12, a device cavity 13, a threaded rod 14, a nut 15, a push rod 16 and a second rotating shaft 17.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the elastic sealing butterfly valve comprises a circular tube 1, wherein a fixed block 2 is fixedly connected to the upper end of the circular tube 1, a driving mechanism for providing power is arranged inside the fixed block 2, a first butterfly plate 4 and a second butterfly plate 5 are arranged inside the circular tube 1, and a rotating mechanism which is matched with the driving mechanism and used for controlling the first butterfly plate 4 and the second butterfly plate 5 to rotate is arranged inside the circular tube 1.

The utility model discloses in, actuating mechanism is including setting up in the outside motor 3 of fixed block 2, the terminal fixedly connected with threaded rod 14 of output shaft of motor 3, the inside of fixed block 2 is equipped with spout 10, the inside sliding connection of spout 10 has slider 11, the rear end fixedly connected with push rod 16 of slider 11, the inside of fixed block 2 is equipped with device chamber 13, the inside of device chamber 13 is equipped with nut 15, the outside of fixed block 2 and the inside that extends to device chamber 13 are run through to the one end of threaded rod 14, the outer fringe of threaded rod 14 and the middle part threaded connection of nut 15, the one end of push rod 16 run through the lateral wall of spout 10 and extend to the inside of device chamber 13 and with one side fixed connection of nut 15, can drive the inside threaded rod 14 of device chamber 13 after motor 3 starts and rotate, threaded rod 14 can drive push rod 16 through nut 15 and remove afterwards, and then drive slider 11 in.

Specifically, the rotating mechanism comprises a first rotating shaft 6 arranged inside a circular tube 1, the middle part of a first butterfly plate 4 is fixedly connected with the outer edge of the first rotating shaft 6, the outer edge of the first rotating shaft 6 is symmetrically sleeved with two second rotating shafts 17 inside the circular tube 1, the outer edges of the two second rotating shafts 17 are fixedly connected with the upper end and the lower end of a second butterfly plate 5, the upper ends of the first rotating shaft 6 and the second rotating shafts 17 penetrate through the bottom walls of the circular tube 1 and a fixed block 2 and extend into a sliding groove 10, a clamping groove 12 is arranged inside a sliding block 11, the upper ends of the first rotating shaft 6 and the second rotating shafts 17 are respectively and fixedly connected with an upper disc 7 and a lower disc, the upper end of the upper disc 7 and the lower end of the lower disc are respectively and fixedly connected with a limiting rod 8, and the two limiting rods 8 are respectively inserted into, the first rotating shaft 6 and the second rotating shaft 17 can be driven to rotate in opposite directions, and then the first butterfly plate 4 and the second butterfly plate 5 are driven to further drive the butterfly valve to open or close.

Specifically, the outer fringe symmetry of first butterfly plate 4 and second butterfly plate 5 is equipped with two semicircular sealing strips 9, and the material of two sealing strips 9 is rubber, can improve the leakproofness of butterfly valve, and then improves the result of use of butterfly valve, and the shape of draw-in groove 12 is the cross, can drive two gag lever posts 8 and remove toward opposite direction.

The utility model discloses during the use, when needs are opened the butterfly valve, start 2 outside motors 3 of fixed block, motor 3 will drive the inside threaded rod 14 rotation of device chamber 13 afterwards, threaded rod 14 can drive push rod 16 through nut 15 and remove afterwards, and then drive slider 11 and slide in the inside of spout 10, then slider 11 can drive disc 7 and lower disc rotation through two gag lever posts 8, and then drive first pivot 6 and second pivot 17 and rotate toward opposite direction, then drive first butterfly plate 4 and second butterfly plate 5 and then drive the butterfly valve and open or close, the leakproofness of butterfly valve can be improved to sealing strip 9 of the outside of first butterfly plate 4 and second butterfly plate 5, and then improve the result of use of butterfly valve.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Elastic seal butterfly valve, including pipe (1), its characterized in that, the upper end fixedly connected with fixed block (2) of pipe (1), the inside of fixed block (2) is equipped with the actuating mechanism who is used for providing power, the inside of pipe (1) is equipped with first butterfly plate (4) and second butterfly plate (5), the inside of pipe (1) is equipped with and is used for controlling first butterfly plate (4) and second butterfly plate (5) pivoted slewing mechanism with actuating mechanism complex.

2. The elastic sealing butterfly valve according to claim 1, characterized in that said drive means comprise an electric motor (3) arranged outside the fixed block (2), the tail end of the output shaft of the motor (3) is fixedly connected with a threaded rod (14), a sliding groove (10) is arranged inside the fixed block (2), a sliding block (11) is connected inside the sliding groove (10) in a sliding way, a push rod (16) is fixedly connected at the rear end of the sliding block (11), a device cavity (13) is arranged inside the fixed block (2), a nut (15) is arranged inside the device cavity (13), one end of the threaded rod (14) penetrates through the outer part of the fixing block (2) and extends to the inner part of the device cavity (13), the outer edge of the threaded rod (14) is in threaded connection with the middle part of the nut (15), one end of the push rod (16) penetrates through the side wall of the sliding groove (10), extends into the device cavity (13) and is fixedly connected with one side of the nut (15).

3. The elastic sealing butterfly valve according to claim 2, wherein the rotating mechanism comprises a first rotating shaft (6) arranged inside the circular tube (1), the middle part of the first butterfly plate (4) is fixedly connected with the outer edge of the first rotating shaft (6), the outer edge of the first rotating shaft (6) is symmetrically sleeved with two second rotating shafts (17) inside the circular tube (1), the outer edges of the two second rotating shafts (17) are fixedly connected with the upper end and the lower end of the second butterfly plate (5), the upper ends of the first rotating shaft (6) and the second rotating shaft (17) penetrate through the bottom walls of the circular tube (1) and the fixed block (2) and extend into the sliding groove (10), the inside of the sliding block (11) is provided with a clamping groove (12), and the upper ends of the first rotating shaft (6) and the second rotating shaft (17) are fixedly connected with an upper disc (7) and a lower disc respectively, the upper end of the upper disc (7) and the lower end of the lower disc are respectively and fixedly connected with limiting rods (8), and the two limiting rods (8) are respectively inserted into two sides of the clamping groove (12).

4. The elastic sealing butterfly valve according to claim 1, characterized in that two semicircular sealing strips (9) are symmetrically arranged on the outer edges of the first butterfly plate (4) and the second butterfly plate (5), and the two sealing strips (9) are made of rubber.

5. The resilient seal butterfly valve of claim 3, wherein the slot (12) is cross-shaped.