CN213744976U

CN213744976U - Low-torque butterfly valve

Info

Publication number: CN213744976U
Application number: CN202022998542.6U
Authority: CN
Inventors: 张庆仕
Original assignee: Jinan Jinshuo Valve Industry Co ltd
Current assignee: Jinan Jinshuo Valve Industry Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-07-20
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to a butterfly valve technical field specifically is low moment of torsion butterfly valve. Through mounting structure, can conveniently be connected the valve body with the pipeline to convenient the dismantlement, when needs overhaul valve inside, can dismantle fast and open, after overhauing the completion, can install fast through mounting structure, make maintenance efficiency increase, reduce when overhauing dismantling and installing the used time. Through sealed piece, can be so that pipeline and valve body junction are sealed for after the installation is accomplished, the condition of inside rivers seepage can not appear when the pipeline is walked water, avoid the infiltration to cause the valve body to take place the corrosion, increase valve body life, reduce the economy of purchasing the valve body.

Description

Low-torque butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is low moment of torsion 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 with a closing member which is a disc and rotates around a valve shaft to open and close. 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 in the valve body, so that the opening and closing or adjusting purpose is achieved. When the butterfly valve is opened and closed, the torque required by a common butterfly plate is larger, and the butterfly plate can be opened only by using larger power, so that the butterfly valve with low torque is basically used at present.

But the inconvenient dismantlement of current low moment of torsion butterfly valve when overhauing to the installation is equally inconvenient after overhauing the completion, and the installation required time is long, and the inside easy infiltration of current low moment of torsion butterfly valve, the infiltration can lead to the butterfly valve to take place the corrosion, causes the life reduction of butterfly valve, makes the economic expenditure who buys the butterfly valve increase.

Disclosure of Invention

An object of the utility model is to provide a low moment of torsion butterfly valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: low moment of torsion butterfly valve, including valve body and pipeline, the inside rotation chamber that is provided with in valve body upper end rotates the intracavity portion and is provided with first oblique wheel, first oblique wheel right side fixedly connected with transfer line, transfer line outside fixed connection rotor plate, it is provided with the second oblique wheel to rotate intracavity portion, second oblique wheel bottom fixed connection axis of rotation, be provided with movable chamber in the middle of the valve body, be provided with the butterfly plate in the middle of the activity intracavity portion, butterfly plate lower extreme fixed connection fixed axle, the activity chamber outside is provided with sealed piece, the inside rotation groove that is provided with of valve body rotates inslot portion and is provided with the slider, and the slider bottom is provided with the pulley, fixed connection connecting rod in the middle of the slider outside, connecting rod outside fixed connection change, change inside mounting structure that is provided with of change, the pipeline outside is provided with the mounting groove.

Preferably, the pipeline outside equidistance is provided with four mounting grooves, and the mounting groove sets up to the arc wall.

Preferably, the transfer line runs through the valve body and extends to the outside, and the second oblique wheel is connected in the meshing of first oblique wheel, and the axis of rotation runs through the valve body and extends to movable chamber, axis of rotation bottom fixed connection butterfly plate, and valve body left and right ends symmetry is provided with two sets of rotating grooves, rotates the inslot and is provided with two sliders, and every slider bottom all is provided with two pulleys, the equal fixed connection connecting rod in every slider outside, and every connecting rod all runs through the valve body and extends to the outside, the equal fixed link swivel in every connecting rod outside, and the inside mounting groove that corresponds of swivel is provided with four group's mounting structure.

Preferably, mounting structure includes installation cavity, spring, bottom plate, restriction piece, and inside the installation cavity was located the swivel, the inside spring that is provided with of installation cavity, spring outside end fixed connection swivel, spring inside end fixed connection bottom plate, bottom plate inside end fixed connection restriction piece, restriction piece inboard run through the swivel and extend to the outside, restriction piece inboard left end sets up to the inclined plane.

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

1. through mounting structure, can conveniently be connected the valve body with the pipeline to convenient the dismantlement, when needs overhaul valve inside, can dismantle fast and open, after overhauing the completion, can install fast through mounting structure, make maintenance efficiency increase, reduce when overhauing dismantling and installing the used time.

2. Through sealed piece, can be so that pipeline and valve body junction are sealed for after the installation is accomplished, the condition of inside rivers seepage can not appear when the pipeline is walked water, avoid the infiltration to cause the valve body to take place the corrosion, increase valve body life, reduce the economy of purchasing the valve body.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of the installation structure of the present invention;

fig. 3 is a schematic view of the mounting groove of the present invention.

In the figure: the valve comprises a valve body 1, a rotating cavity 2, a first oblique wheel 3, a transmission rod 4, a rotating plate 5, a second oblique wheel 6, a rotating shaft 7, a movable cavity 8, a butterfly plate 9, a fixed shaft 10, a sealing block 11, a rotating groove 12, a sliding block 13, a pulley 14, a connecting rod 15, a rotating ring 16, a mounting structure 17, a pipeline 18, a mounting groove 19, a mounting cavity 171, a spring 172, a bottom plate 173 and a limiting block 174.

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 to 3, the present invention provides a technical solution: low moment of torsion butterfly valve, including valve body 1 and

pipeline

18, 1 inside rotation chamber 2 that is provided with in upper end of valve body, it is provided with first oblique wheel 3 to rotate 2 inside in chamber, 3 right sides fixedly connected with transfer line 4 of first oblique wheel, 4 outside fixed connection rotor plates 5 of transfer line, it is provided with second oblique wheel 6 to rotate 2 inside in chamber, 6 bottom fixed connection axis of rotation 7 of second oblique wheel, be provided with movable chamber 8 in the middle of the valve body 1, be provided with butterfly plate 9 in the middle of the inside in

movable chamber

8, 9 lower extreme fixed connection fixed axles 10 of butterfly plate, the 8 outside in movable chamber is provided with sealed

piece

11, 1 inside rotating groove 12 that is provided with of valve body, the inside slider 13 that is provided with in rotating groove 12, slider 13 bottom is provided with pulley 14, fixed connection connecting rod 15 in the middle of the slider 13 outside, 15 outside fixed connection change 16, 16 inside mounting structure 17 that is provided with of change, the pipeline 18 outside is provided with mounting groove 19.

Pipeline 18 outside equidistance is provided with four mounting grooves 19, and mounting groove 19 sets up to the arc wall, and mounting groove 19 can be convenient for taking out of valve body 1.

The transfer line 4 runs through valve body 1 and extends to the outside, the second oblique wheel 6 is connected in the meshing of first oblique wheel 3, axis of rotation 7 runs through valve body 1 and extends to

activity chamber

8, 7 bottom fixed connection butterfly plates 9 of axis of rotation, 1 left and right sides both ends symmetry of valve body is provided with two sets of pivoted slots 12, be provided with two sliders 13 in the pivoted slot 12, every slider 13 bottom all is provided with two pulleys 14, the equal fixed connection connecting rod 15 in every slider 13 outside, every connecting rod 15 all runs through valve body 1 and extends to the outside, the equal fixed link change 16 in every connecting rod 15 outside, the inside mounting groove 19 that corresponds of change 16 is provided with four group's mounting structure 17, butterfly plates 9 can seal inside activity chamber 8, make the unable water-logging that passes through in the pipeline 18.

The mounting structure 17 includes a mounting cavity 171, a spring 172, a bottom plate 173, and a limiting block 174, the mounting cavity 171 is located inside the swivel 16, the spring 172 is disposed inside the mounting cavity 171, an outer end of the spring 172 is fixedly connected to the swivel 16, an inner end of the spring 172 is fixedly connected to the bottom plate 173, an inner end of the bottom plate 173 is fixedly connected to the limiting block 174, an inner side of the limiting block 174 penetrates through the swivel 16 and extends to an outer side, an inner left end of the limiting block 174 is set to be an inclined plane, and the mounting structure 17 conveniently fixes the valve body 1 on the pipe 18.

The working principle is as follows:

during maintenance, firstly, the swivel 16 rotates forty-five degrees counterclockwise, the swivel drives the limiting block 174 inside the mounting structure 17 to rotate, the limiting block 174 is extruded by the mounting groove 19 and returns to the mounting cavity 171, after the limiting block 174 completely leaves the mounting groove 19, the pipeline 18 can be separated from the valve body 1, then the swivel 16 on the other side rotates counterclockwise, the valve body 1 is separated from the pipeline 18 on the other side, the valve body 1 is taken out for maintenance, after the maintenance is completed, the pipeline 18 is aligned in the swivel 16, the pipeline 18 is placed into the swivel 16, when the pipeline 18 enters the swivel 16, the inclined plane at the bottom of the limiting block 174 is extruded through the inclined plane on the outermost side, the limiting block 174 is made to enter the limiting cavity 171, after the pipeline 18 completely enters, the swivel 16 is rotated, and after the limiting block 174 is completely clamped into the mounting groove 19, the installation is completed.

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

1. Low moment of torsion butterfly valve, including valve body (1) and pipeline (18), its characterized in that: the rotary valve is characterized in that a rotary cavity (2) is arranged inside the upper end of the valve body (1), a first bevel wheel (3) is arranged inside the rotary cavity (2), a transmission rod (4) is fixedly connected to the right side of the first bevel wheel (3), a rotary plate (5) is fixedly connected to the outer side of the transmission rod (4), a second bevel wheel (6) is arranged inside the rotary cavity (2), a rotary shaft (7) is fixedly connected to the bottom of the second bevel wheel (6), a movable cavity (8) is arranged in the middle of the valve body (1), a butterfly plate (9) is arranged in the middle of the inner part of the movable cavity (8), a fixed shaft (10) is fixedly connected to the lower end of the butterfly plate (9), a sealing block (11) is arranged outside the movable cavity (8), a rotary groove (12) is arranged inside the valve body (1), a sliding block (13) is arranged inside the rotary groove (12), a pulley (14) is arranged at the bottom of the sliding block (13), and a connecting rod (15) is fixedly connected to the outer side of the sliding block (13), the outer side of the connecting rod (15) is fixedly connected with a rotating ring (16), an installation structure (17) is arranged in the rotating ring (16), and an installation groove (19) is arranged on the outer side of the pipeline (18).

2. The low torque butterfly valve of claim 1, wherein: the pipeline (18) outside equidistance is provided with four mounting grooves (19).

3. The low torque butterfly valve of claim 1, wherein: the mounting groove (19) is an arc-shaped groove.

4. The low torque butterfly valve of claim 1, wherein: the valve body (1) is run through and extend to the outside in transfer line (4), second oblique wheel (6) is connected in first oblique wheel (3) meshing, axis of rotation (7) run through valve body (1) and extend to activity chamber (8), axis of rotation (7) bottom fixed connection butterfly plate (9), valve body (1) left and right sides both ends symmetry is provided with two sets of rotating grooves (12), be provided with two slider (13) in rotating groove (12), every slider (13) bottom all is provided with two pulley (14), the equal fixed connection connecting rod (15) in every slider (13) outside, every connecting rod (15) all run through valve body (1) and extend to the outside, the equal fixed link swivel (16) in every connecting rod (15) outside, swivel (16) inside corresponds mounting groove (19) and is provided with four groups of mounting structure (17).

5. The low torque butterfly valve of claim 1, wherein: mounting structure (17) are including installation cavity (171), spring (172), bottom plate (173), restriction piece (174), and installation cavity (171) are located swivel (16) inside, and installation cavity (171) inside is provided with spring (172), spring (172) outside fixed connection swivel (16), spring (172) inside fixed connection bottom plate (173), bottom plate (173) inside fixed connection restriction piece (174), and restriction piece (174) inboard runs through swivel (16) and extends to the outside, and restriction piece (174) inboard left end is the inclined plane.