CN221257695U

CN221257695U - High-performance ceramic sealing butterfly valve

Info

Publication number: CN221257695U
Application number: CN202323217506.1U
Authority: CN
Inventors: 李炳青; 孙巧凤; 颜小兰; 洪红明; 谢添城; 龙堂荣; 陈忠丽; 谢宗华
Original assignee: Qingdao Fatian Control Instrument Co ltd
Current assignee: Qingdao Fatian Control Instrument Co ltd
Priority date: 2023-11-28
Filing date: 2023-11-28
Publication date: 2024-07-02
Anticipated expiration: 2033-11-28

Abstract

The utility model discloses a high-performance ceramic sealing butterfly valve, which comprises an actuator and a bolt, wherein the bottom end of the actuator is fixedly connected with a connecting frame, the output end of the actuator is connected with a valve rod in a penetrating way through the connecting frame in a rotating way, the right side of the actuator is provided with a display adjusting device, when an operator needs to adjust the butterfly valve, the operator can check the rotating angle by aligning with a designated block through a scale display block on a hand wheel to a corresponding angle, the operator can check the size to be adjusted in time without timing, the valve rod drives a valve plate to move towards the outer side of the strip arc by arranging a butterfly plate and the strip arc, the rotation amplitude of the butterfly plate is larger and tighter until the butterfly plate rotates to abut against the strip arc, meanwhile, a first isolation and a second isolation can effectively prevent media from flowing out from a gap at the edge of the valve rod, and when the valve plate is completely closed, a sealing ring between the strip arc and a flat plate can be completely attached to the valve plate, so that the sealing effect is achieved.

Description

High-performance ceramic sealing butterfly valve

Technical Field

The utility model relates to the technical field related to ceramic butterfly valves, in particular to a high-performance ceramic sealing butterfly valve.

Background

The butterfly valve is also called as a flap valve, and is a valve which has a simple structure and can be used for opening and closing low-pressure pipeline media. Most butterfly valves are used in industry and valves are used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal, and radioactive media. The pipe is mainly used for cutting, throttling and adjusting. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve opening and closing piece in the valve body, so that the purpose of opening and closing or adjusting is achieved.

The sealing is realized through structural rubber circle and butterfly valve door tight closure, forms sealed space, and ceramic butterfly valve can be applied in different scenes, because the scene of butterfly valve application is more, when meetting the abominable operating mode of high wearing and tearing wherein, when the staff needs repetition closure or adjust the butterfly valve, the hardness of rubber circle is weaker, and the rubber circle is scratched by the medium that flows in the butterfly valve easily to produce the gap, be difficult to accomplish sealedly.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides the high-performance ceramic sealing butterfly valve, which solves the problems that when encountering severe working conditions with high abrasion, a worker needs to repeatedly close or adjust the butterfly valve, the hardness of a rubber ring is weak, the rubber ring is scratched by a medium flowing in the butterfly valve, gaps are easy to generate, and sealing is difficult to achieve.

In order to solve the technical problems, the utility model provides the following technical scheme:

The utility model discloses a high-performance ceramic sealing butterfly valve, which comprises an actuator and bolts, wherein the bottom end of the actuator is fixedly connected with a connecting frame, the output end of the actuator is connected with a valve rod in a rotating way through the connecting frame, the right side of the actuator is provided with a display adjusting device, the bottom end of the connecting frame is fixedly provided with a partition board through the bolts, the bottom end of the partition board is provided with a shaft sleeve, both ends of the inner wall of the shaft sleeve are provided with sealing rings, the bottom end of the shaft sleeve is provided with a valve body, the bottom of the valve rod is fixedly connected with a butterfly plate, the inner wall of the valve body is respectively provided with a first isolation block and a second isolation block, the bottom of the valve rod is provided with a base, and the inner wall of the valve body is fixedly connected with a sealing device;

The sealing device comprises strip circular arcs, wherein the back of the strip circular arcs is fixedly connected with a flat plate, the number of the strip circular arcs is two, and the outer sides of the flat plates are fixedly connected with sealing rings.

As a preferable technical scheme of the utility model, the display adjusting device comprises a hand wheel, wherein the outer surface of the hand wheel is provided with a plurality of scale display blocks in an annular shape, the number of the scale display blocks is a plurality of scale display blocks, the plurality of scale display blocks display different adjusting degrees, the top of the actuator is fixedly provided with a designated block, and the scale display blocks are matched with the designated block for use.

As a preferable technical scheme of the utility model, two long circular arcs are distributed at two ends of the inner wall of the valve body, the back surface of the right side of the butterfly plate is attached to the long circular arcs, and the back surface of the right side of the butterfly plate is attached to the long circular arcs.

As a preferable technical scheme of the utility model, the strip circular arc is processed with the outer contour of the butterfly plate, the radian of the butterfly plate is matched with that of the strip circular arc, and the flat plate and the butterfly plate are mutually abutted.

As a preferable technical scheme of the utility model, the sealing ring is arranged between the strip circular arc and the flat plate, and the sealing ring is in a semicircular ring shape.

As a preferred embodiment of the present utility model, the outer surfaces of the first and second insulators are in close contact with the valve stem and the butterfly plate, respectively.

As a preferable technical scheme of the utility model, gaskets are respectively and fixedly connected with the front surface and the back surface of the valve body, and the two gaskets are mutually symmetrical.

The beneficial effects of the utility model are as follows:

1. This high performance ceramic seal butterfly valve through setting up butterfly plate and rectangular circular arc, and the valve rod drives the valve plate to the outside motion of rectangular circular arc, and the butterfly plate rotates the range bigger tighter, until the butterfly plate rotate can support tightly with rectangular circular arc, first isolated and second simultaneously can effectually prevent that the medium from flowing out from the gap at valve rod edge, when the valve plate is totally closed, the valve plate can laminate completely to the sealing ring between rectangular circular arc and the flat board, reaches sealed effect.

2. This high performance ceramic seal butterfly valve through setting up scale display piece and appointed piece for the staff can be through the scale display piece rotation above the hand wheel with appointed piece alignment to corresponding angle, adjust the flow of medium in the butterfly valve, can realize that operating personnel control is about to adjust the flow of butterfly valve.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a high performance ceramic seal butterfly valve of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of a high performance ceramic seal butterfly valve of the utility model;

FIG. 3 is an enlarged view of a portion of the high performance ceramic seal butterfly valve of FIG. 1;

FIG. 4 is a schematic structural view of a high performance ceramic seal butterfly valve seal of the utility model;

FIG. 5 is a side view of a high performance ceramic seal butterfly valve of the utility model;

FIG. 6 is a top view of a high performance ceramic seal butterfly valve of the utility model.

In the figure: 1. an actuator; 2. a hand wheel; 3. a scale display block; 4. designating a block; 5. a connecting frame; 6. a valve stem; 7. a partition plate; 8. a shaft sleeve; 9. a seal ring; 10. a valve body; 11. a valve plate; 12. a first insulating block; 13. a second insulating block; 14. a base; 15. a long arc; 16. flatbed plating; 17. a seal ring; 18. a bolt; 19. a gasket.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the high-performance ceramic sealing butterfly valve comprises an actuator 1 and a bolt 18, wherein the bottom end of the actuator 1 is fixedly connected with a connecting frame 5, the output end of the actuator 1 penetrates through the connecting frame 5 to be rotationally connected with a valve rod 6, a display adjusting device is arranged on the right side of the actuator 1, a partition plate 7 is fixedly arranged at the bottom end of the connecting frame 5 through the bolt 18, a shaft sleeve 8 is arranged at the bottom end of the partition plate 7, sealing rings 9 are arranged at two ends of the inner wall of the shaft sleeve 8, a valve body 10 is arranged at the bottom end of the shaft sleeve 8, a butterfly plate 11 is fixedly connected at the bottom of the valve rod 6, a first isolation block 12 and a second isolation block 13 are respectively arranged at the inner wall of the valve body 10, a base 14 is arranged at the bottom of the valve rod 6, and a sealing device is fixedly connected at the inner wall of the valve body 10;

The sealing device comprises strip circular arcs 15, the back of the strip circular arcs 15 is fixedly connected with flat plates 16, the number of the strip circular arcs 15 is two, and the outer sides of the flat plates 16 are fixedly connected with sealing rings 17.

The display adjusting device comprises a hand wheel 2, scale display blocks 3 are annularly arranged on the outer surface of the hand wheel 2, the number of the scale display blocks 3 is a plurality of, the plurality of scale display blocks 3 display different adjusting degrees, an appointed block 4 is fixedly arranged at the top of an actuator 1, the scale display blocks 3 are matched with the appointed block 4 for use, and a worker can rotate the scale display blocks 3 on the hand wheel 2 to align with the appointed block 4 to a corresponding angle for adjusting the flow of media in the butterfly valve.

Wherein, two rectangular circular arcs 15 distribute in the both ends of valve body 10 inner wall, the back on butterfly plate 11 right side is laminated with rectangular circular arc 15, and the back on butterfly plate 11 right side is laminated with rectangular circular arc 15 for when sealed through butterfly plate 11, butterfly plate 11 rotates and can support with rectangular circular arc 15 tightly, and butterfly plate 11 rotation range is bigger tighter more.

Wherein, rectangular circular arc 15 is circular arc processing with the outline of butterfly plate 11, and the radian phase-match of butterfly plate 11 and rectangular circular arc 15 supports each other tightly between tiling board 16 and the butterfly plate 11 for when the butterfly plate 11 moved to tiling board 16 outside, tiling board 16 restriction butterfly plate 11 moved, thereby reached sealed effect.

The sealing ring 17 is arranged between the strip circular arc 15 and the flat plate 16, and the sealing ring 17 is in a semicircular ring shape, so that when the butterfly plate 11 moves to the outer side of the flat plate 16, the butterfly plate 11 and the sealing ring 17 are attached, and the sealing ring 17 can limit medium in the butterfly valve to flow out.

Wherein, the surface of first isolated 12 and second isolated 13 respectively with valve rod 6 and butterfly plate 11 in close contact, first isolated 12 and second isolated 13 can seal the medium that flows around valve rod 6 to the medium can not flow when reaching valve rod 6 and rotating.

The front and the back of the valve body 10 are respectively and fixedly connected with a gasket 19, and the two gaskets 19 are mutually symmetrical, so that when the valve body 10 is installed with a pipeline, the gaskets 19 seal the external pipeline, and the problem of side leakage cannot occur.

When operating personnel need adjust the butterfly valve for the staff can rotate through the scale display piece 3 above the hand wheel 2 and aim at to corresponding angle with appointed piece 4, adjust the flow of medium in the butterfly valve, can realize that operating personnel control is about adjusting the flow of butterfly valve, when operating personnel need seal, rotate the hand wheel 2 clockwise, connect valve rod 6 through the output rotation of executor 1, valve rod 6 drives valve plate 11 to the outside motion of rectangular circular arc 15, the bigger and tighter butterfly plate 11 rotation range is more tight, until butterfly plate 11 rotates and can support tightly with rectangular circular arc 15, first isolated 12 and second isolated 13 can effectually prevent that the medium from flowing out from the gap at valve rod 6 edge simultaneously, when valve plate 11 is closed completely, the sealing ring 17 between rectangular circular arc 15 and the flat board 16 can laminate valve plate 11 completely, reach sealed effect.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a high performance ceramic seal butterfly valve, includes executor (1) and bolt (18), its characterized in that, the bottom fixedly connected with link (5) of executor (1), the output of executor (1) runs through link (5) and rotates and be connected with valve rod (6), the right side of executor (1) is provided with shows adjusting device, the bottom of link (5) is through bolt (18) fixed mounting baffle (7), the bottom of baffle (7) is provided with axle sleeve (8), the both ends of axle sleeve (8) inner wall all are provided with sealing washer (9), the bottom of axle sleeve (8) is provided with valve body (10), the bottom fixedly connected with butterfly plate (11) of valve rod (6), the inner wall of valve body (10) is provided with first isolated piece (12) and second isolated piece (13) respectively, the bottom of valve rod (6) is provided with base (14), the inner wall fixedly connected with sealing device of valve body (10);

The sealing device comprises strip-shaped circular arcs (15), wherein the back of the strip-shaped circular arcs (15) is fixedly connected with a flat plate (16), the number of the strip-shaped circular arcs (15) is two, and the outer side of the flat plate (16) is fixedly connected with a sealing ring (17).

2. The high-performance ceramic sealing butterfly valve according to claim 1, wherein the display adjusting device comprises a hand wheel (2), scale display blocks (3) are annularly arranged on the outer surface of the hand wheel (2), the number of the scale display blocks (3) is a plurality of the scale display blocks (3) which display different adjusting degrees, a designated block (4) is fixedly arranged at the top of the actuator (1), and the scale display blocks (3) are matched with the designated block (4).

3. The high-performance ceramic sealing butterfly valve according to claim 1, wherein two long circular arcs (15) are distributed at two ends of the inner wall of the valve body (10), the back surface of the right side of the butterfly plate (11) is attached to the long circular arcs (15), and the back surface of the right side of the butterfly plate (11) is attached to the long circular arcs (15).

4. The high-performance ceramic sealing butterfly valve according to claim 1, wherein the long circular arc (15) and the outer contour of the butterfly plate (11) are subjected to circular arc treatment, the radian of the butterfly plate (11) is matched with that of the long circular arc (15), and the tiling plate (16) and the butterfly plate (11) are mutually abutted.

5. A high performance ceramic sealing butterfly valve according to claim 1, characterized in that the sealing ring (17) is arranged between an elongated circular arc (15) and a flat plate (16), and that the sealing ring (17) is semi-circular ring shaped.

6. A high performance ceramic seal butterfly valve according to claim 1, wherein the outer surfaces of the first and second insulating blocks (12, 13) are in close contact with the valve stem (6) and butterfly plate (11), respectively.

7. The high-performance ceramic sealing butterfly valve according to claim 1, wherein gaskets (19) are fixedly connected to the front surface and the back surface of the valve body (10), and the two gaskets (19) are symmetrical to each other.