CN213206589U

CN213206589U - Convenient operation's flexible flange butterfly valve

Info

Publication number: CN213206589U
Application number: CN202022105772.5U
Authority: CN
Inventors: 吴晓川
Original assignee: Tianjin Amu Fluid Equipment Manufacturing Co ltd
Current assignee: Tianjin Amu Fluid Equipment Manufacturing Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-05-14
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a convenient operation's flexible flange butterfly valve, including the valve body, the inboard middle part of valve body is provided with the butterfly plate through the pivot activity, the fixed turbine that is provided with in butterfly plate place pivot upper end, the fixed casing that is provided with in valve body upper end, the inboard middle part of casing is provided with the worm through the pivot activity, intermeshing between worm and the turbine, the fixed connecting rod that is provided with of worm one end, the fixed connecting block that is provided with of one end that the casing was kept away from to the connecting rod, the connecting block inboard is provided with the handle through the bearing activity, be provided with block mechanism between inside and the handle of connecting block, block mechanism includes ratchet, first pawl, second pawl, extrusion piece, handle outside fixed surface is provided with the ratchet. The utility model discloses excellent in use effect can conveniently rotate the worm through handle and lever principle, can restrict the rotatable direction of handle through block mechanism simultaneously.

Description

Convenient operation's flexible flange butterfly valve

Technical Field

The utility model relates to the technical field of valves, specifically be a convenient operation's flexible flange 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 in the valve body, so that the opening and closing or adjusting purpose is achieved.

And the butterfly valve that uses at present often can design the hand wheel in order to conveniently rotate the butterfly plate in order to make things convenient for to rotate inside butterfly plate, but the hand wheel is more for driven handle, and the material that requires is comparatively wasted if designing the great convenient pivoted hand wheel of a diameter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient operation's flexible flange 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: a telescopic flange butterfly valve convenient to operate comprises a valve body, wherein a butterfly plate is movably arranged in the middle of the inner side of the valve body through a rotating shaft, a worm wheel is fixedly arranged at the upper end of the rotating shaft where the butterfly plate is located, a shell is fixedly arranged at the upper end of the valve body, a worm is movably arranged in the middle of the inner side of the shell through the rotating shaft, the worm and the worm wheel are meshed with each other, a connecting rod is fixedly arranged at one end of the worm, a connecting block is fixedly arranged at one end of the connecting rod, which is far away from the shell, a handle is movably arranged at the inner side of the connecting block through a bearing, a clamping mechanism is arranged between the inside of the connecting block and the handle, the clamping mechanism comprises a ratchet wheel, a first pawl, a second pawl and an extrusion block, the surface of the outer side of the handle is fixedly provided with the ratchet wheel, the first, the first pawl, the second pawl and the ratchet wheel are clamped with each other, and an extrusion block is movably arranged between the first pawl and the second pawl inside the connecting block through a rotating shaft.

Preferably, the rotating shafts where the first pawl and the second pawl are located are provided with torsion springs, and the torsion springs can drive the first pawl and the second pawl to reset.

Preferably, the rotating shaft where the extrusion block is located is fixedly provided with a shifting sheet, and the extrusion block can be conveniently driven to rotate through the shifting sheet.

Preferably, the rotating shaft where the extrusion block is located is a damping rotating shaft, and the extrusion block can not rotate under the condition of no artificial rotation through the damping-assisting rotating shaft.

Preferably, the inside upper end activity of handle alternates and is provided with the extension rod, can extend the length of handle through the extension rod to can further conveniently rotate the worm.

Preferably, a flange plate is fixedly arranged on the outer side of the valve body, and the device can be conveniently connected with an external pipeline through the flange plate.

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

1. the utility model discloses can play the effect of province through handle and lever principle when rotating the worm to for traditional hand wheel, longer and extravagant material that the handle can be done, and can extend the length of handle through the extension rod, thereby can further conveniently rotate the worm.

2. The utility model discloses can be according to the first pawl of rotation reverse adjustment when rotating the handle, the block direction of second pawl and ratchet, when needs clockwise rotation handle and connecting rod, can rotate the extrusion piece through the plectrum, then extrude first pawl through the extrusion piece, thereby make first pawl no longer block the ratchet, so can rotate and rotate when the handle rotates the angle back of inconvenient power consumption through the handle clockwise, need not to remove the health, only need to reverse the handle this moment because first pawl does not block the ratchet, the handle reversal can not drive connecting rod and worm and rotate, after the handle resets to the normal position, it can be comparatively convenient to carry out clockwise rotation afterwards.

Drawings

FIG. 1 is a schematic view of an overall structure of a telescopic flange butterfly valve with convenient operation;

FIG. 2 is a view of the overall structure of a flexible flange butterfly valve fastening mechanism of the present invention;

fig. 3 is an enlarged view of a position a in fig. 2 of the telescopic flange butterfly valve of the present invention, which is convenient to operate.

In the figure: 1. a valve body; 2. a butterfly plate; 3. a worm gear; 4. a housing; 5. a worm; 6. a connecting rod; 7. connecting blocks; 8. a handle; 9. a ratchet wheel; 10. a first pawl; 11. a second pawl; 12. extruding the block; 13. a shifting sheet; 14. an extension rod; 15. a flange plate.

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. 1-3, the present invention provides a technical solution: a telescopic flange butterfly valve convenient to operate comprises a valve body 1, wherein a butterfly plate 2 is movably arranged in the middle of the inner side of the valve body 1 through a rotating shaft, a worm wheel 3 is fixedly arranged at the upper end of the rotating shaft where the butterfly plate 2 is located, a shell 4 is fixedly arranged at the upper end of the valve body 1, a worm 5 is movably arranged in the middle of the inner side of the shell 4 through a rotating shaft, the worm 5 and the worm wheel 3 are meshed with each other, one end of the worm 5 is fixedly provided with a connecting rod 6, one end of the connecting rod 6, far away from the shell 4, is fixedly provided with a connecting block 7, a handle 8 is movably arranged at the inner side of the connecting block 7 through a bearing, a clamping mechanism is arranged between the inner part of the connecting block 7 and the handle 8, the clamping mechanism comprises a ratchet wheel 9, a first pawl 10, a second pawl 11 and an extrusion block 12, the surface of, a second pawl 11 is movably arranged inside the connecting block 7 on one side, far away from the first pawl 10, of the ratchet wheel 9 through a rotating shaft, the first pawl 10, the second pawl 11 and the ratchet wheel 9 are mutually clamped, and an extrusion block 12 is movably arranged inside the connecting block 7 between the first pawl 10 and the second pawl 11 through the rotating shaft.

First pawl 10 all is provided with the torsional spring with 11 pivots in second pawl, can drive

first pawl

10 and 11 resets of second pawl through the torsional spring, extrusion piece 12 is fixed in the pivot of place and is provided with plectrum 13, can conveniently drive extrusion piece 12 through plectrum 13 and rotate, extrusion piece 12 is the damping pivot in the pivot, can make extrusion piece 12 can not take place the rotation under the artificial pivoted condition through helping the damping pivot, the inside upper end activity of handle 8 alternates and is provided with extension rod 14, can extend handle 8's length through extension rod 14 to can further conveniently rotate worm 5, the fixed ring flange 15 that is provided with in the 1 outside of valve body can conveniently be with the external pipeline of device through ring flange 15.

The working principle is as follows: when the device is used, the device can be externally connected with a pipeline through the flange plate 15, then the worm 5 can be driven to rotate through the handle 8, the worm wheel 3 can be driven to rotate through the worm 5, the butterfly plate 2 can be driven to rotate when the worm wheel 3 rotates, the valve body 1 can be opened, closed or closed, the worm 5 drives the worm wheel 3 to rotate in a one-way transmission mode when the device is in transmission, the worm 5 can drive the worm wheel 3 to rotate, the worm wheel 3 cannot drive the worm 5 to rotate, water flow impact can be prevented from driving the butterfly plate 2 to rotate, a labor-saving effect can be achieved through the handle 8 and the lever principle when the worm 5 is rotated, compared with a traditional hand wheel, the handle 8 can be longer and does not waste materials, if the hand wheel is larger, the materials are wasted, and the first pawl 10 can be reversely adjusted according to the rotation when the handle 8 is rotated, Second pawl 11 and ratchet 9's block direction, when needing clockwise rotation handle 8 and connecting rod 6, can rotate extrusion block 12 through plectrum 13, then extrude first pawl 10 through extrusion block 12, thereby make first pawl 10 no longer block ratchet 9, so can drive connecting rod 6 and worm 5 clockwise through handle 8 and rotate and after handle 8 rotates the angle of inconvenient power consumption, need not to remove the health, only need to reverse handle 8 this moment because first pawl 10 does not block ratchet 9, handle 8 reversal can not drive connecting rod 6 and worm 5 and rotate, after handle 8 resets to the normal position, it can be comparatively convenient to rotate clockwise afterwards again, this is exactly the utility model relates to a convenient operation's telescopic flange butterfly valve's theory of operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a convenient operation's telescopic flange butterfly valve, includes valve body (1), its characterized in that: the valve is characterized in that a butterfly plate (2) is movably arranged in the middle of the inner side of the valve body (1) through a rotating shaft, a worm wheel (3) is fixedly arranged at the upper end of the rotating shaft where the butterfly plate (2) is located, a shell (4) is fixedly arranged at the upper end of the valve body (1), a worm (5) is movably arranged in the middle of the inner side of the shell (4) through the rotating shaft, the worm (5) and the worm wheel (3) are meshed with each other, a connecting rod (6) is fixedly arranged at one end of the worm (5), a connecting block (7) is fixedly arranged at one end, far away from the shell (4), of the connecting rod (6), a handle (8) is movably arranged on the inner side of the connecting block (7) through a bearing, a clamping mechanism is arranged between the inner part of the connecting block (7) and the handle (, handle (8) outside fixed surface is provided with ratchet (9), connecting block (7) inside is provided with first pawl (10) through the pivot activity in ratchet (9) one side, connecting block (7) inside is provided with second pawl (11) through the pivot activity in the one side that first pawl (10) were kept away from in ratchet (9), mutual block between first pawl (10), second pawl (11) and ratchet (9), connecting block (7) inside is provided with extrusion piece (12) through the pivot activity between first pawl (10) and second pawl (11).

2. A convenient operation telescopic flange butterfly valve according to claim 1, characterized in that: and torsion springs are arranged on the rotating shafts where the first pawl (10) and the second pawl (11) are arranged.

3. A convenient operation telescopic flange butterfly valve according to claim 1, characterized in that: a shifting sheet (13) is fixedly arranged on the rotating shaft where the extrusion block (12) is located.

4. A convenient operation telescopic flange butterfly valve according to claim 1, characterized in that: the rotating shaft where the extrusion block (12) is located is a damping rotating shaft.

5. A convenient operation telescopic flange butterfly valve according to claim 1, characterized in that: an extension rod (14) is movably inserted into the upper end inside the handle (8).

6. A convenient operation telescopic flange butterfly valve according to claim 1, characterized in that: and a flange plate (15) is fixedly arranged on the outer side of the valve body (1).