CN215763347U

CN215763347U - Flange desulfurization butterfly valve

Info

Publication number: CN215763347U
Application number: CN202122044730.XU
Authority: CN
Inventors: 吴夏芬
Original assignee: Tianjin Bintel Valve Manufacturing Co ltd
Current assignee: Tianjin Bintel Valve Manufacturing Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-08
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a flange desulfurization butterfly valve which comprises a valve body, wherein a butterfly valve body is movably arranged in the middle of the inner side of the valve body through a rotating shaft, a through groove is formed in the middle of the inner part of the butterfly valve body, a non-return mechanism is arranged in the through groove and comprises a fixed frame, a non-return plate, a sliding rod, a stress plate, a connecting rod and a sealing ring, the fixed frame is fixedly arranged in the middle of the inner side of the butterfly valve body, the non-return plate is movably arranged at the upper end and the lower end of the inner part of the fixed frame through the rotating shaft, the sliding rod is fixedly arranged on one side of the fixed frame in the butterfly valve body, the stress plate is movably sleeved on the outer surface of the sliding rod, the connecting rod is fixedly arranged on the periphery of the outer side surface of the stress plate, and the sealing ring is fixedly arranged at one end, far away from the stress plate, of the connecting rod. The butterfly valve has good use effect, and when the butterfly valve body is in an open state and water is introduced, the internal non-return structure can automatically prevent liquid from flowing backwards.

Description

Flange desulfurization butterfly valve

Technical Field

The utility model relates to the field of flange desulfurization butterfly valves, in particular to a flange desulfurization butterfly valve.

Background

The desulfurization butterfly valve has the advantages of simple structure, small volume, light weight, material consumption saving, small installation size, small driving moment, simple and convenient operation, rapidness, good flow adjusting function and sealing closing characteristic, and is one of the fastest valve varieties developed in the last ten years.

And present flange desulfurization butterfly valve lacks the non return effect when using to when having the pipeline that the non return needs to use, often need install a check valve again on the pipeline and use, so use comparatively troublesome inconvenience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flange desulfurization butterfly valve to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a flange desulfurization butterfly valve, includes the valve body, the inboard middle part of valve body is provided with the butterfly valve body through the pivot activity, logical groove has been seted up at the inside middle part of butterfly valve body, it constructs to lead to the inslot portion, non return mechanism includes fixed frame, check board, slide bar, atress board, connecting rod, sealing ring, the fixed frame that is provided with in middle part is surveyed to the butterfly valve body, the inside upper end of fixed frame all is provided with check board through the pivot activity with the lower extreme, the inside fixed slide bar that is provided with in fixed frame one side of butterfly valve body, slide bar outside surface movable sleeve is equipped with the atress board, atress board outside surface all fixes all around and is provided with the connecting rod, the fixed sealing ring that is provided with of one end that the atress board was kept away from to the connecting rod.

Preferably, the slide bar is provided with a limiting block at one end far away from the check plate, and the limiting block can prevent the slide block from falling off from the outer side surface of the stress plate.

Preferably, the rubber pad is sleeved on the outer side surface of the check plate, and gaps between the check plate and the fixed frame can be filled through the rubber pad when the check plate is closed, so that the sealing effect can be improved.

Preferably, the handle is fixedly arranged at the upper end of the rotating shaft where the butterfly valve body is located, and the butterfly valve body can be conveniently rotated to be closed through the handle.

Preferably, the connecting flanges are fixedly arranged on two sides of the surface of the butterfly valve body, and the butterfly valve body can be conveniently connected with other pipelines externally through the connecting flanges.

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

1. when the liquid pressure on the right side of the valve body is increased to enable the fluid to flow back, the check plate can be automatically pushed to be closed, so that the check function can be achieved, and at the moment, when the check plate is closed, the gap between the check plate and the fixed frame can be filled through the rubber pad, so that the sealing effect can be improved.

2. When the device is used for stopping the device, the stress plate is pushed to move leftwards due to the fact that the pressure of liquid on the right side is larger, so that the stress plate can push the sealing ring to be attached to a gap between the stopping plate and the fixed frame, the sealing performance of the device can be further improved, and the sealing effect of the device can be further improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a flange desulfurization butterfly valve of the present invention;

FIG. 2 is an internal structural view of a butterfly valve body of a flange desulfurization butterfly valve of the present invention;

FIG. 3 is a right side view of the installation of a flange desulfurization butterfly valve fixing frame of the present invention.

In the figure: 1. a valve body; 2. a butterfly valve body; 3. a through groove; 4. a fixed frame; 5. a check plate; 6. a slide bar; 7. a stress plate; 8. a connecting rod; 9. a seal ring; 10. a limiting block; 11. a handle; 12. and connecting the flanges.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a flange desulfurization butterfly valve, includes

valve body

1, 1 inboard middle part of valve body is provided with butterfly valve body 2 through the pivot activity, logical groove 3 has been seted up at the inside middle part of butterfly valve body 2, it constructs to lead to the inside non return mechanism that is provided with of groove 3, non return mechanism includes fixed frame 4, check plate 5, slide bar 6, atress board 7, connecting rod 8, sealing ring 9, butterfly valve body 2 internal measurement middle part is fixed and is provided with fixed frame 4, fixed frame 4 is inside upper end and lower extreme all are provided with check plate 5 through the pivot activity, butterfly valve body 2 is inside to be provided with slide bar 6 in fixed frame 4 one side is fixed, 6 outside surface movable sleeves of slide bar are equipped with

atress board

7, 7 outside surfaces of atress board all fix all around is provided with connecting rod 8, the fixed sealing ring 9 that is provided with of the one end that atress board 7 was kept away from to connecting rod 8.

The fixed stopper 10 that is provided with of one end that the check plate 5 was kept away from to slide bar 6, can prevent through stopper 10 that the slider from droing from stress board 7 outside surface, the cover of 5 outside surface of check plate is equipped with the rubber pad, can pack the gap between check plate 5 and fixed frame 4 when check plate 5 closes through the rubber pad to can improve sealed effect, the fixed handle 11 that is provided with in butterfly valve body 2 place pivot upper end, can conveniently rotate butterfly valve body 2 through handle 11 and close, 2 surperficial both sides of butterfly valve body are all fixed and are provided with flange 12, can conveniently be with the external other pipelines of butterfly valve body 2 through flange 12.

The working principle is as follows: when the device is used, a pipeline can be externally connected through the connecting flange 12, when the device is required to be switched on, the through groove 3 of the butterfly valve body 2 and the passage of the valve body 1 are in a straight line, so that liquid can flow from the left side of the valve body 1 to the right side of the valve body 1, the liquid flowing from left to right can automatically push the check plate 5 away so that the check plate 5 cannot obstruct the flow of fluid, when the pressure of the liquid on the right side is increased so that the fluid flows back, the check plate 5 can be automatically pushed to close, so that the check function can be realized, at the moment, when the check plate 5 is closed, a gap between the check plate 5 and the fixed frame 4 can be filled through a rubber pad, so that the sealing effect can be improved, and when the device is checked, the pressure of the liquid on the right side is higher so that the stress plate 7 can push the sealing ring 9 to be attached to the gap between the check plate 5 and the fixed frame 4, therefore, the sealing performance of the device can be further improved, and the sealing effect of the device can be further improved, which is the working principle of the flange desulfurization 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flange desulfurization butterfly valve, includes valve body (1), its characterized in that: the butterfly valve is characterized in that a butterfly valve body (2) is movably arranged in the middle of the inner side of the valve body (1) through a rotating shaft, a through groove (3) is formed in the middle of the inner part of the butterfly valve body (2), a non-return mechanism is arranged in the through groove (3), the non-return mechanism comprises a fixed frame (4), a non-return plate (5), a sliding rod (6), a stress plate (7), a connecting rod (8) and a sealing ring (9), the fixed frame (4) is fixedly arranged in the middle of the inner side of the butterfly valve body (2), the non-return plate (5) is movably arranged at the upper end and the lower end of the inner part of the fixed frame (4) through the rotating shaft, the sliding rod (6) is fixedly arranged on one side of the fixed frame (4) in the inner part of the butterfly valve body (2), the stress plate (7) is movably sleeved on the surface of the outer side of the sliding rod (6), the connecting rod (8) is fixedly arranged around the surface of the stress plate (7), and a sealing ring (9) is fixedly arranged at one end of the connecting rod (8) far away from the stress plate (7).

2. The flange desulfurization butterfly valve of claim 1, wherein: and a limiting block (10) is fixedly arranged at one end of the sliding rod (6) far away from the check plate (5).

3. The flange desulfurization butterfly valve of claim 1, wherein: the outer side surface of the check plate (5) is sleeved with a rubber pad.

4. The flange desulfurization butterfly valve of claim 1, wherein: the handle (11) is fixedly arranged at the upper end of the rotating shaft where the butterfly valve body (2) is located.

5. The flange desulfurization butterfly valve of claim 1, wherein: and the two sides of the surface of the butterfly valve body (2) are fixedly provided with connecting flanges (12).