CN213206598U

CN213206598U - Single-wing flap butterfly valve

Info

Publication number: CN213206598U
Application number: CN202022072509.0U
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: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-05-14
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a single wing flap butterfly valve, which comprises a valve body, the inboard middle part of valve body is provided with the butterfly plate through the pivot activity, the fixed casing that is provided with in valve body upper end, the fixed worm wheel that is provided with in butterfly plate place pivot upper end, the inside upper end of casing is provided with the worm through the bearing activity, intermeshing between worm wheel and the worm, casing one side is provided with the function storehouse, the inside drive mechanism that is provided with in function storehouse, drive mechanism includes first gear train, first telescopic link, second gear train, the fixed first gear train that is provided with of worm place pivot one end, the inside lower extreme in function storehouse is provided with first telescopic link through the bearing activity. The utility model discloses excellent in use effect meshes through the different gear of first gear train and second gear train, can play laborsaving rotation valve and open the effect of valve fast as required.

Description

Single-wing flap butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a single wing turns over board-like 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.

When the existing butterfly valve is used, the butterfly valve cannot be rotated for a long time sometimes, so that the rotating shaft of the valve is easily blocked, and the butterfly valve is very laborious and troublesome when the butterfly valve is required to be rotated to be opened or closed suddenly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single wing flap 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 single-wing flap-type butterfly valve 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, the upper end of the valve body is fixedly provided with a shell, the upper end of a rotating shaft where the butterfly plate is positioned is fixedly provided with a worm wheel, a worm is movably arranged at the upper end inside the shell through a bearing, the worm wheel and the worm are meshed with each other, one side of the shell is provided with a functional bin, a transmission mechanism is arranged in the functional bin and comprises a first gear set, a first telescopic rod and a second gear set, a first gear set is fixedly arranged at one end of the rotating shaft where the worm is positioned, a first telescopic rod is movably arranged at the lower end inside the functional bin through a bearing, the end, far away from the inboard lateral wall of function storehouse, of first telescopic link is fixed and is provided with the second gear train, intermeshing between first gear train and the second gear train.

Preferably, one end of the second gear set, which is far away from the first telescopic rod, is fixedly provided with a rotating disc, and the second gear set can be conveniently rotated through the rotating disc.

Preferably, the fixed sealed cavity that is provided with in casing one side in valve body upper end, the inside lower extreme activity block of sealed cavity is provided with the piston, sealed cavity upper end both sides are all fixed and are provided with the second telescopic link, fixed connection between second telescopic link lower extreme and the piston, when the valve body is closed, the rivers that are cut off suddenly can produce the water hammer effect, and the water pressure that the water hammer effect produced this moment can gush into inside the cavity to promote the piston to shift up and the second telescopic link, so can play the buffering and reduce the impact force of water pressure to the valve body, thereby can play the effect of protection valve and pipeline.

Preferably, the spring is arranged in the second telescopic rod, and the spring can play a role in buffering when the second telescopic rod is contracted so as to consume impact force generated by a water hammer effect.

Preferably, the function bin is made of transparent plastic materials, and a user can conveniently observe the meshing condition of the first gear set and the second gear set through the function bin made of the transparent plastic materials.

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

1. the utility model discloses first gear train and second gear train drive gear wheel pivoted position when the pinion, can play the effect of province, do not rotate the switching for a long time at the valve body like this, can conveniently rotate the butterfly plate when the tighter of butterfly plate pivot block, and rotate back pivot block at the butterfly plate slightly and become flexible the back, just can drag the rolling disc, thereby make first telescopic link extension, so can make the second gear train remove right, so can make the great gear of second gear train and the less gear engagement of first gear train, drive pinion rotation for the gear wheel this moment, thereby can play effect with higher speed, thereby can conveniently drive the butterfly plate rotation fast.

2. The utility model discloses when closing the valve body when using, rivers can produce the water hammer effect by the rivers of truncation suddenly, and inside the cavity can be gushed to the water pressure that the water hammer effect produced this moment to promote the piston and shift up and the second telescopic link, so can play the buffering and reduce the impact force of water pressure to the valve body, thereby can play the effect of protection valve and pipeline.

Drawings

FIG. 1 is a schematic view of the overall structure of a single-wing flap butterfly valve of the present invention;

FIG. 2 is a view of the internal structure of a single-wing flap butterfly valve functional cabin of the present invention;

fig. 3 is a front view of the single-wing flap butterfly valve of the present invention.

In the figure: 1. a valve body; 2. a butterfly plate; 3. a housing; 4. a worm gear; 5. a worm; 6. a functional bin; 7. a first gear set; 8. a first telescopic rod; 9. a second gear set; 10. rotating the disc; 11. sealing the cavity; 12. a piston; 13. and a second telescopic rod.

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 single-wing flap butterfly valve 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 shell 3 is fixedly arranged at the upper end of the valve body 1, a worm wheel 4 is fixedly arranged at the upper end of the rotating shaft where the butterfly plate 2 is located, a worm 5 is movably arranged at the upper end of the inner part of the shell 3 through a bearing, the worm wheel 4 and the worm 5 are meshed with each other, a function bin 6 is arranged at one side of the shell 3, a transmission mechanism is arranged inside the function bin 6 and comprises a first gear set 7, a first telescopic rod 8 and a second gear set 9, a first gear set 7 is fixedly arranged at one end of the rotating shaft where the worm 5 is located, a first telescopic rod 8 is movably arranged at the lower end of the inner part of the function bin 6 through a bearing, and a second gear set 9 is, the first gear set 7 and the second gear set 9 are meshed with each other.

A rotating disc 10 is fixedly arranged at one end of the second gear set 9 far away from the first telescopic rod 8, the second gear set 9 can be conveniently rotated through the rotating disc 10, a sealed cavity 11 is fixedly arranged at one side of the shell 3 at the upper end of the valve body 1, a piston 12 is movably clamped at the lower end inside the sealed cavity 11, second telescopic rods 13 are fixedly arranged at two sides of the upper end of the sealed cavity 11, the lower end of each second telescopic rod 13 is fixedly connected with the piston 12, when the valve body 1 is closed, suddenly cut off water flow can generate a water hammer effect, water pressure generated by the water hammer effect can flow into the cavity at the moment and push the piston 12 to move upwards and the second telescopic rods 13, so that the impact force of the water pressure on the valve body 1 can be buffered and reduced, the valve and a pipeline can be protected, and a spring is arranged inside the second telescopic rods 13, thereby can play the impact force that cushioning effect consumed the water hammer effect and produced when second telescopic link 13 contracts through the spring, function storehouse 6 is transparent plastic material, and function storehouse 6 through transparent plastic material can the person of facilitating the use observe the meshing condition of first gear train 7 and second gear train 9.

The working principle is as follows: when the device is used, the second gear set 9 can be driven to rotate through the rotating disc 10, so that the first gear set 7 can be driven to rotate through the second gear set 9, the worm 5 can be driven to rotate, the worm wheel 4 can be driven to rotate after the worm 5 rotates, and the rotation of the butterfly plate 2 can be controlled, so that the opening and closing of the valve body 1 can be controlled, in addition, the worm wheel 4 and the worm 5 are in one-way transmission, namely, the worm 5 can drive the worm wheel 4 to rotate, but the worm wheel 4 cannot drive the worm 5 to rotate, so that the butterfly plate 2 cannot automatically rotate under the action of water flow, when the first gear set 7 and the second gear set 9 are in the meshing position shown in the drawing, the large gear is driven by the small gear to rotate, so that the effect of saving can be achieved, so that the valve body 1 does not rotate for a long time, and the butterfly plate 2 can be conveniently rotated when, after the butterfly plate 2 rotates slightly, the rotating shaft is clamped and loosened, the rotating disc 10 can be pulled, so that the first telescopic rod 8 extends, the second gear group 9 can move rightwards, the larger gear of the second gear group 9 can be meshed with the smaller gear of the first gear group 7, the gear wheel drives the pinion to rotate at the moment, an acceleration effect can be achieved, the butterfly plate 2 can be driven to rotate conveniently and quickly, the valve body 1 can be closed or opened conveniently and quickly, when the device is used for closing the valve body 1, water hammer effect can be generated by water flow which is suddenly cut off, water pressure generated by the water hammer effect can rush into the cavity at the moment, the piston 12 is pushed to move upwards and the second telescopic rod 13 is pushed, the impact force of the water pressure on the valve body 1 can be buffered and reduced, and the valve and a pipeline can be protected, this is the utility model relates to a theory of operation of single wing flap butterfly valve.

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 single wing flap formula 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 a valve body (1) through a rotating shaft, a shell (3) is fixedly arranged at the upper end of the rotating shaft where the butterfly plate (2) is located, a worm wheel (4) is fixedly arranged at the upper end of the inner part of the shell (3) through a bearing, the worm wheel (5) and the worm wheel (5) are meshed with each other, a function bin (6) is arranged on one side of the shell (3), a transmission mechanism is arranged inside the function bin (6) and comprises a first gear set (7), a first telescopic rod (8) and a second gear set (9), the first gear set (7) is fixedly arranged at one end of the rotating shaft where the worm wheel (5) is located, the first telescopic rod (8) is movably arranged at the lower end of the inner part of the function bin (6) through a bearing, the second gear set (9) is fixedly arranged at one end, far, the first gear set (7) and the second gear set (9) are meshed with each other.

2. The single-wing flap-type butterfly valve of claim 1, wherein: and a rotating disc (10) is fixedly arranged at one end, far away from the first telescopic rod (8), of the second gear set (9).

3. The single-wing flap-type butterfly valve of claim 1, wherein: the valve is characterized in that a sealed cavity (11) is fixedly arranged at one side of the shell (3) at the upper end of the valve body (1), a piston (12) is movably clamped at the lower end inside the sealed cavity (11), second telescopic rods (13) are fixedly arranged on two sides of the upper end of the sealed cavity (11), and the lower ends of the second telescopic rods (13) are fixedly connected with the piston (12).

4. A single-wing flap-type butterfly valve according to claim 3, wherein: and a spring is arranged in the second telescopic rod (13).

5. The single-wing flap-type butterfly valve of claim 1, wherein: the functional bin (6) is made of transparent plastic materials.