CN214466170U

CN214466170U - Butterfly valve with good sealing effect

Info

Publication number: CN214466170U
Application number: CN202120609803.2U
Authority: CN
Inventors: 王建华
Original assignee: Yongjia Hongxing Valve Factory
Current assignee: Yongjia Datong Valve Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-10-22
Anticipated expiration: 2031-03-25

Abstract

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve with good sealing effect, which comprises a valve seat, wherein a butterfly plate is arranged inside the valve seat and is rotationally connected with the valve seat, a fixed column is arranged at the top of the valve seat and near the center, the fixed column and the valve seat are integrally formed, and an adjusting component is arranged above the valve seat; the sealing ring, the sealing gasket, the sealing air bag and the like are arranged, when the butterfly plate is closed, the sealing ring is clamped with the arc-shaped groove to seal the periphery of the butterfly plate, the sealing gasket seals the joint of the control shaft and the valve seat, and the sealing air bag can seal the sealing ring and the arc-shaped groove to seal two sides of the butterfly plate, so that the interior of the valve seat is completely sealed, and leakage is avoided; through being equipped with adjusting part, the fixture block can be fixed the control shaft with the tooth's socket joint, prevents that the butterfly plate from rotating, avoids sealed effect to receive the influence, and this design has changed the not enough situation of traditional butterfly valve leakproofness, makes the butterfly valve have good sealed effect.

Description

Butterfly valve with good sealing effect

Technical Field

The utility model relates to a butterfly valve technical field specifically is a sealed respond well butterfly valve.

Background

The butterfly valve is also called a flap valve, and is a regulating valve with simple structure, and 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, thereby achieving the purpose of opening and closing or regulating. The butterfly 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, and mainly plays a role in cutting off and throttling on a pipeline. The butterfly valve has the advantages of simple structure, small volume, light weight, less material consumption, small installation size and the like, has a good flow regulation function, and is one of the fastest valve varieties developed in the last decade.

The existing butterfly valve still has the defect of insufficient sealing property in the use process, the interior of the butterfly valve cannot be completely sealed, leakage is easy to generate when air, water, steam and the like are cut off, resource waste is caused, and potential safety hazards are easy to generate. In view of this, we propose a butterfly valve with good sealing effect.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, the utility model provides a butterfly valve that sealed respond well.

The technical scheme of the utility model is that:

the utility model provides a sealed respond well butterfly valve, the disk seat all is equipped with open-ended hollow structure for both ends, the inside of disk seat just is close to center department and installs the butterfly plate, the butterfly plate rotates with the disk seat to be connected, the top of disk seat just is close to center department and is equipped with the fixed column, fixed column and disk seat integrated into one piece, the top of disk seat is equipped with adjusting part.

According to the preferable technical scheme, a rotating shaft is arranged at the bottom of the butterfly-shaped plate and is rotatably connected with the valve seat, a control shaft is arranged at the top of the butterfly-shaped plate, and the control shaft sequentially penetrates through the valve seat and the fixing column and is rotatably connected with the fixing column.

As an optimized technical scheme, a sealing ring is arranged on the outer side of the butterfly-shaped plate and is in bonding fit with the butterfly-shaped plate, an arc-shaped groove is formed in the inner side of the valve seat and close to the sealing ring, and the sealing ring is in clamping fit with the arc-shaped groove.

As the preferred technical scheme, a sealing gasket is arranged on the control shaft and above the sealing ring, and the sealing gasket is sleeved with the control shaft.

As a preferred technical scheme, a fan-shaped movable groove is arranged on the front side of the fixed column, and a tooth groove is formed in the top of the movable groove.

As preferred technical scheme, the adjusting part includes the handle, the bottom of handle and the one side and the control shaft welding that are close to the fixed column, the bottom of handle is equipped with the fixed block, fixed block and handle integrated into one piece, be equipped with the handle on the fixed block, the handle rotates with the fixed block to be connected, on hand and be close to one side of fixed column and be equipped with the fixture block, fixture block and handle integrated into one piece, the fixture block cooperates with the tooth's socket joint.

As a preferred technical scheme, a spring is arranged on the top of the handle and on one side far away from the clamping block, one end of the spring is welded with the top of the handle, and the other end of the spring is welded with the bottom of the handle.

According to the preferable technical scheme, sealing air bags are arranged in the valve seat and on the left side and the right side of the butterfly plate, and the sealing air bags are in bonding fit with the inner wall of the valve seat.

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

1. the utility model discloses a be equipped with sealing washer, sealed the pad, when the butterfly plate was closed, sealing washer and arc wall joint can make around the butterfly plate sealed, sealed pad can make the control shaft seal with the disk seat junction to make the inside of disk seat sealed completely, avoid producing and leak.

2. The utility model discloses a be equipped with sealed gasbag, when the butterfly plate was closed, sealed gasbag can seal the junction of sealing washer with the arc wall, makes the left and right sides of butterfly plate sealed to strengthen the sealed effect of sealing washer.

3. The utility model discloses a be equipped with adjusting part, can control the control shaft, adjust the rotation angle of butterfly plate, when the butterfly plate is closed, can fix the control shaft, prevent that the control shaft from driving the butterfly plate and rotate, avoid sealed effect to receive the influence.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the valve seat of the present invention;

FIG. 4 is a schematic structural view of a butterfly plate of the present invention;

fig. 5 is a schematic structural view of the fixing column of the present invention;

fig. 6 is a schematic structural diagram of the adjusting assembly of the present invention.

In the figure: 1. a valve seat; 11. an arc-shaped slot; 2. a butterfly plate; 21. a rotating shaft; 22. a control shaft; 23. a seal ring; 24. a gasket; 3. fixing a column; 31. a movable groove; 32. a tooth socket; 4. an adjustment assembly; 41. a handle; 411. a fixed block; 42. a handle; 421. a clamping block; 43. a spring; 5. the air bag is sealed.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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. 1-6, the present invention provides a technical solution:

the utility model provides a sealed respond well butterfly valve, includes disk seat 1, disk seat 1 all is equipped with open-ended hollow structure for both ends, and disk seat 1's inside just is close to center department and installs butterfly plate 2, and butterfly plate 2 rotates with disk seat 1 to be connected, and disk seat 1's top just is close to center department and is equipped with fixed column 3, fixed column 3 and disk seat 1 integrated into one piece, and disk seat 1's top is equipped with adjusting part 4.

What need supplement is that the bottom of butterfly plate 2 is equipped with pivot 21, and pivot 21 rotates with disk seat 1 and is connected, and the top of butterfly plate 2 is equipped with control shaft 22, and control shaft 22 runs through disk seat 1 and fixed column 3 in proper order, and rotates with fixed column 3 and be connected, and control shaft 22 rotates and can drive butterfly plate 2 and rotate, makes butterfly plate 2 open or close.

Preferably, the outer side of the butterfly-shaped plate 2 is provided with a sealing ring 23, the sealing ring 23 is in bonding fit with the butterfly-shaped plate 2, the arc-shaped groove 11 is arranged on the inner side of the valve seat 1 and near the sealing ring 23, the sealing ring 23 is in clamping fit with the arc-shaped groove 11, when the butterfly-shaped plate 2 is opened, the sealing ring 23 can be elastically acted to facilitate the butterfly-shaped plate 2 to be opened, and when the butterfly-shaped plate 2 is closed, the sealing ring 23 is in clamping fit with the arc-shaped groove 11 to seal the outer side of the butterfly-shaped plate 2, so that leakage is prevented.

Preferably, in this embodiment, a seal 24 is provided on the control shaft 22 above the seal ring 23, the seal 24 is fitted to the control shaft 22, and the seal 24 seals the joint between the control shaft 22 and the valve seat 1, thereby improving the sealing effect.

Preferably, the front side of the fixed column 3 is provided with a fan-shaped movable groove 31, the top of the movable groove 31 is provided with a tooth groove 32, the control shaft 22 is conveniently fixed through the tooth groove 32, and the butterfly plate 2 is prevented from rotating to affect the sealing effect.

It is worth explaining that, the adjusting assembly 4 includes the handle 41, the bottom of the handle 41 and the one side that is close to the fixed column 3 are welded with the control shaft 22, the bottom of the handle 41 is equipped with the fixed block 411, the fixed block 411 and the handle 41 integrated into one piece, be equipped with the handle 42 on the fixed block 411, the handle 42 rotates with the fixed block 411 to be connected, the one side that is close to the fixed column 3 on the handle 42 is equipped with fixture block 421, fixture block 421 and handle 42 integrated into one piece, fixture block 421 and tooth's socket 32 joint cooperation, can prevent that the handle 41 from rotating, thereby prevent that the control shaft 22 from driving butterfly plate 2 to rotate, avoid sealing effect to receive the influence.

Preferably, a spring 43 is disposed on the top of the handle 42 and on a side away from the latch 421, one end of the spring 43 is welded to the top of the handle 42, the other end of the spring 43 is welded to the bottom of the handle 41, and after the handle 42 is released, the latch 421 is engaged with the slot 32 by the elastic force of the spring 43, so that the butterfly plate 2 is conveniently fixed.

As the preferred of this embodiment, the inside of disk seat 1 and the left and right sides that is located butterfly plate 2 all are equipped with sealed gasbag 5, and sealed gasbag 5 bonds the cooperation with the inner wall of disk seat 1, and when butterfly plate 2 opened, butterfly plate 2 extrudes sealed gasbag 5, and the air flow in the sealed gasbag 5 makes things convenient for butterfly plate 2 to open, and when butterfly plate 2 closed, the air flow in the sealed gasbag 5 made the both sides of butterfly plate 2 sealed to reinforcing sealed effect.

When the butterfly valve with good sealing effect of the utility model is used, the valve seat 1 is installed on a pipeline, when the butterfly plate 2 is opened, the handle 42 is pressed to separate the clamping block 421 from the tooth socket 32, the rotating handle 41 drives the control shaft 22 to rotate, the control shaft 22 drives the butterfly plate 2 to rotate, so that the flow in the butterfly valve is controlled, the handle 42 is released, the handle 42 is rotated under the elastic action of the spring 43, the clamping block 421 is clamped with the tooth socket 32, the rotation of the butterfly plate 2 can be prevented, the handle 42 is pressed again when the butterfly plate 2 is closed, the butterfly plate 2 rotates when the handle 41 is rotated, so that the butterfly plate 2 is closed, the sealing ring 23 is clamped with the arc groove 11, so that the outer side of the butterfly plate 2 is sealed, the sealing air bag 5 is attached to the left side and the right side of the butterfly plate 2, the sealing gasket 24 seals the connection part of the control shaft 22 and the valve seat 1, the handle 42 is released, the tooth socket 421 and the 32 are clamped, prevent that butterfly plate 2 from rotating to influence sealed effect, can realize through the above-mentioned mode that the butterfly valve has good sealed effect, satisfy the demand of a sealed effectual butterfly valve.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sealed respond well butterfly valve, includes disk seat (1), its characterized in that: the improved butterfly valve is characterized in that the valve seat (1) is of a hollow structure with openings at two ends, a butterfly plate (2) is mounted in the valve seat (1) and close to the center, the butterfly plate (2) is rotatably connected with the valve seat (1), a fixing column (3) is arranged at the top of the valve seat (1) and close to the center, the fixing column (3) and the valve seat (1) are integrally formed, and an adjusting assembly (4) is arranged above the valve seat (1).

2. The butterfly valve with good sealing effect as claimed in claim 1, wherein: the bottom of butterfly plate (2) is equipped with pivot (21), pivot (21) are rotated with disk seat (1) and are connected, the top of butterfly plate (2) is equipped with control shaft (22), control shaft (22) run through disk seat (1) and fixed column (3) in proper order, and rotate with fixed column (3) and be connected.

3. The butterfly valve with good sealing effect as claimed in claim 2, wherein: the outside of butterfly plate (2) is equipped with sealing washer (23), sealing washer (23) and butterfly plate (2) bonding cooperation, the inboard of disk seat (1) just is close to sealing washer (23) department and is equipped with arc wall (11), sealing washer (23) and arc wall (11) joint cooperation.

4. The butterfly valve with good sealing effect as claimed in claim 3, wherein: and a sealing gasket (24) is arranged on the control shaft (22) and above the sealing ring (23), and the sealing gasket (24) is sleeved with the control shaft (22).

5. The butterfly valve with good sealing effect as claimed in claim 1, wherein: the front side of the fixed column (3) is provided with a fan-shaped movable groove (31), and the top of the movable groove (31) is provided with a tooth groove (32).

6. The butterfly valve with good sealing effect as claimed in claim 1, wherein: adjusting part (4) include handle (41), one side and control shaft (22) welding that the bottom of handle (41) just is close to fixed column (3), the bottom of handle (41) is equipped with fixed block (411), fixed block (411) and handle (41) integrated into one piece, be equipped with handle (42) on fixed block (411), handle (42) are rotated with fixed block (411) and are connected, one side that just is close to fixed column (3) on handle (42) is equipped with fixture block (421), fixture block (421) and handle (42) integrated into one piece, fixture block (421) and tooth's socket (32) joint cooperation.

7. The butterfly valve with good sealing effect as claimed in claim 6, wherein: the spring (43) is arranged on the top of the handle (42) and on one side far away from the clamping block (421), one end of the spring (43) is welded with the top of the handle (42), and the other end of the spring (43) is welded with the bottom of the handle (41).

8. The butterfly valve with good sealing effect as claimed in claim 1, wherein: the butterfly valve is characterized in that sealing air bags (5) are arranged in the valve seat (1) and on the left side and the right side of the butterfly plate (2), and the sealing air bags (5) are in bonding fit with the inner wall of the valve seat (1).