CN210949905U

CN210949905U - Lever type soft sealing butterfly valve

Info

Publication number: CN210949905U
Application number: CN201921251108.2U
Authority: CN
Inventors: 周天桥
Original assignee: Jiangsu Aoma Machinery Co ltd
Current assignee: Zunling Technology Group Co.,Ltd.
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-07-07
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a lever-type soft sealing butterfly valve, which belongs to the technical field of butterfly valves and comprises a butterfly valve main ring, wherein the upper end of the butterfly valve main ring is fixedly connected with a main shaft sleeve, the upper end of the main shaft sleeve is fixedly connected with a mounting disc, the inner wall of the butterfly valve main ring is fixedly connected with a sealing ring, a sealing plate is arranged in the sealing ring, the lower end of the butterfly valve main ring is connected with an auxiliary shaft sleeve, the upper end of the sealing plate is fixedly connected with a main shaft rod, and the main shaft rod sequentially penetrates through the sealing ring, the butterfly valve main ring, the main shaft sleeve and the mounting disc, thereby realizing the advantages of high temperature resistance, wear resistance and good mechanical property, simultaneously having better sealing property, wide application range, greatly increasing the strength of the sealing plate under the action of a reinforcing ring, simultaneously reducing the shock cooling and sudden heating of the sealing plate by phase change particles greatly, the service life in a changeable environment can be greatly prolonged.

Description

Lever type soft sealing butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field, more specifically say, relate to lever soft seal 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.

As a component for realizing the cut-off and flow control of a pipeline system, a soft seal butterfly valve has been widely used in many fields such as petroleum, chemical engineering, metallurgy, hydropower, and the like. The butterfly plate of the soft sealing butterfly valve is arranged in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis at a rotation angle of 0-90 degrees, and when the disc-shaped butterfly plate rotates to 90 degrees, the valve is in a full-open state. The characteristics of novel long-life stainless steel butterfly valve and butterfly valve have problems in the use. The soft seal butterfly valve can be divided into a flange type soft seal butterfly valve, a wafer type soft seal butterfly valve and a welding type soft seal butterfly valve according to the connection mode.

The existing butterfly valves are generally divided into a soft seal butterfly valve and a hard seal butterfly valve, wherein the soft seal butterfly valve is a butterfly valve sealed by rubber and other materials, the hard seal butterfly valve is a butterfly valve sealed by metal materials, the soft seal butterfly valve and the hard seal butterfly valve have the advantages and the disadvantages, the soft seal butterfly valve has good sealing performance, but low strength and limited use environment, especially, the aging of the rubber and other materials can be directly caused by the change of temperature, the service life is directly influenced, and the hard seal butterfly valve is high in strength of the metal materials, but has certain defects in sealing performance.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model discloses an invention aim at provides lever soft seal butterfly valve, and it can realize having high temperature resistant, wear-resisting and the good advantage of mechanical properties, also has better sealing performance simultaneously, and the scope of application is wide, can increase the intensity of closing plate by a wide margin under the effect of beaded finish.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A lever type soft sealing butterfly valve comprises a butterfly valve main ring, wherein a main shaft sleeve is fixedly connected to the upper end of the butterfly valve main ring, an installation disc is fixedly connected to the upper end of the main shaft sleeve, a sealing ring is fixedly connected to the inner wall of the butterfly valve main ring, a sealing plate is arranged in the sealing ring, an auxiliary shaft sleeve is connected to the lower end of the butterfly valve main ring, a main shaft rod is fixedly connected to the upper end of the sealing plate, the main shaft rod sequentially penetrates through the sealing ring, the butterfly valve main ring, the main shaft sleeve and the installation disc, a pneumatic device is fixedly connected to the upper end of the installation disc, the pneumatic device is connected with the main shaft rod, an auxiliary shaft rod is fixedly connected to the lower end of the sealing plate, the lower end of the auxiliary shaft rod sequentially penetrates through the sealing ring and the butterfly valve main ring and is located in the auxiliary shaft sleeve, a, the butterfly valve main ring is highly connected with a pair of auxiliary connecting discs, and the auxiliary connecting discs are fixedly connected with auxiliary connecting pipes, so that the butterfly valve main ring has the advantages of high temperature resistance, wear resistance and good mechanical property, has good sealing property and wide application range, and can greatly increase the strength of the sealing plate under the action of the reinforcing ring.

Furthermore, a plurality of phase change particles which are uniformly distributed are fixedly connected inside the reinforcing rod, and the phase change particles can greatly reduce the situation that the sealing plate is suddenly cooled and heated, so that the sealing plate is not easy to age due to repeated change of temperature, and the service life of the sealing plate in a changeable environment can be greatly prolonged.

Further, be connected with a pair of splice bar between butterfly valve main ring and the main shaft sleeve, it is a pair of all cut the fixed orifices on the splice bar, the splice bar can increase the stability between butterfly valve main ring and the main shaft sleeve, can play the effect of strengthening rib, and the fixed orifices is in transportation or the installation be convenient for the rope threading auxiliary fixation.

Furthermore, the surface of the sealing plate is coated with a polytetrafluoroethylene coating, the thickness of the polytetrafluoroethylene coating is 0.5-1.5 mm, the polytetrafluoroethylene material is good in stability, resistant to acid and alkali corrosion, extremely low in friction coefficient, not prone to adhering sundries and not prone to generating large abrasion.

Furthermore, the shape of the reinforcing ring is regular hexagon, and the structure is stable.

Furthermore, the reinforcing ring comprises twelve reinforcing rods, the reinforcing rods are communicated with one another, the structure is simple, unified production and assembly are facilitated, and assembly cost is greatly reduced.

Further, the fixed surface of stiffener is connected with a plurality of evenly distributed's reinforcing wire, the surface of reinforcing wire is dull polish, and the reinforcing wire can increase by a wide margin with the stability of closing plate contact, and dull polish is handled and is difficult for skidding.

Furthermore, the material of stiffener is the aluminum alloy material, the surface of stiffener uses anodic oxidation to form porous oxide film, can increase the stability of stiffener by a wide margin, is difficult for taking place to corrode or the corrosion.

Further, the phase change particles comprise a hollow shell, a PJ220 material is filled in the hollow shell, the PJ220 material is a water swelling water stop glue super water stop material, and can swell when meeting water, so that the water stop effect can be more truly exerted, and meanwhile, the adhesion to materials such as metal and rubber is good.

Furthermore, the sealing plate and the sealing ring are made of chloroprene rubber, have good physical and mechanical properties, and have the characteristics of oil resistance, heat resistance, flame resistance, sunlight resistance, ozone resistance, acid and alkali resistance and chemical reagent resistance.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize having high temperature resistant, wear-resisting and the good advantage of mechanical properties, also has better sealing performance simultaneously, and the scope of application is wide, can increase the intensity of closing plate by a wide margin under the effect of beaded finish, and phase transition particle wherein can reduce the condition that the closing plate takes place the shock cooling suddenly hot by a wide margin simultaneously, makes the closing plate difficult to produce ageing because of the repeated change of temperature, can prolong the life in changeable environment by a wide margin.

(2) Be connected with a pair of splice bar between butterfly valve main ring and the main shaft cover, all cut the fixed orifices on a pair of splice bar, the splice bar can increase the stability between butterfly valve main ring and the main shaft cover, can play the effect of strengthening rib, and the fixed orifices is convenient for the rope threading at transportation or installation and is supplementary fixed.

(3) The surface of the sealing plate is coated with a polytetrafluoroethylene coating, the thickness of the polytetrafluoroethylene coating is 0.5-1.5 mm, the polytetrafluoroethylene material has good stability, acid and alkali corrosion resistance and extremely low friction coefficient, and is not easy to adhere impurities and generate large abrasion.

(4) The shape of the reinforcing ring is regular hexagon, and the structure is stable.

(5) The strengthening ring includes twelve stiffeners, communicates each other between a plurality of stiffeners, and simple structure is convenient for unified production and equipment, reduces the cost of equipment by a wide margin.

(6) The fixed surface of stiffener is connected with a plurality of evenly distributed's reinforcing wire, and the surface of reinforcing wire is dull polish and handles, and the reinforcing wire can increase by a wide margin with the stability of closing plate contact, and dull polish is handled and is difficult for skidding.

(7) The inside fixedly connected with a plurality of evenly distributed phase transition particles of stiffener can reduce the condition that the closing plate takes place the shock cooling suddenly hot by a wide margin, makes the closing plate be difficult for producing ageing because of the repeated change of temperature, can prolong the life in changeable environment by a wide margin.

(8) The material of stiffener is the aluminum alloy material, and the surface of stiffener uses anodic oxidation to form porous oxide film, can increase the stability of stiffener by a wide margin, is difficult for taking place to corrode or the corrosion.

(9) The phase change particle includes hollow shell, and hollow shell intussuseption is filled with PJ220 material, and PJ220 material is a meet water inflation stagnant water and glue super stagnant water material, meets water inflation, can exert stagnant water effect more really, and is fine to the stickability of materials such as metal and rubber simultaneously.

(10) The sealing plate and the sealing ring are made of chloroprene rubber, have good physical and mechanical properties, and have the characteristics of oil resistance, heat resistance, flame resistance, sunlight resistance, ozone resistance, acid and alkali resistance and chemical reagent resistance.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

FIG. 4 is a front view of the present invention;

fig. 5 is a partial structural plan view of the present invention;

FIG. 6 is a sectional view of a part of the structure of the present invention;

fig. 7 is a schematic structural view of the reinforcing ring of the present invention;

fig. 8 is a partial cross-sectional view of the stiffener ring of the present invention.

The reference numbers in the figures illustrate:

the structure comprises a butterfly valve main ring 1, a main shaft sleeve 2, a connecting rib 3, a sealing ring 4, an auxiliary shaft sleeve 5, a main shaft rod 6, a sealing plate 7, an installation disc 8, a pneumatic device 9, an auxiliary connecting disc 10, an auxiliary connecting pipe 11, an auxiliary shaft rod 12, a reinforcing ring 13, a reinforcing wire 14, a reinforcing rod 15 and phase change particles 16.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a lever type soft sealing butterfly valve comprises a butterfly valve main ring 1, a main shaft sleeve 2 fixedly connected to the upper end of the butterfly valve main ring 1, a mounting disc 8 fixedly connected to the upper end of the main shaft sleeve 2, a sealing ring 4 fixedly connected to the inner wall of the butterfly valve main ring 1, a sealing plate 7 disposed in the sealing ring 4, an auxiliary shaft sleeve 5 connected to the lower end of the butterfly valve main ring 1, a main shaft rod 6 fixedly connected to the upper end of the sealing plate 7, the main shaft rod 6 sequentially penetrating the sealing ring 4, the butterfly valve main ring 1, the main shaft sleeve 2 and the mounting disc 8, a pneumatic device 9 fixedly connected to the upper end of the mounting disc 8, the pneumatic device 9 connected to the main shaft rod 6, an auxiliary shaft rod 12 fixedly connected to the lower end of the sealing plate 7, a lower end of the auxiliary shaft rod 12 sequentially penetrating the sealing ring 4 and the butterfly valve main ring 1 and disposed in the auxiliary, the main shaft rod 6 is fixedly connected with the upper end of the reinforcing ring 13, a pair of auxiliary connecting discs 10 are highly connected to the butterfly valve main ring 1, and auxiliary connecting pipes 11 are fixedly connected to the pair of auxiliary connecting discs 10.

Be connected with a pair of splice bar 3 between butterfly valve owner ring 1 and the main shaft cover 2, all cut the fixed orifices on a pair of splice bar 3, the splice bar 3 can increase the stability between butterfly valve owner ring 1 and the main shaft cover 2, can play the effect of strengthening rib, and the fixed orifices is in the transportation or the installation be convenient for the wire rope handling auxiliary fixation.

The surface of the sealing plate 7 is coated with a polytetrafluoroethylene coating, the thickness of the polytetrafluoroethylene coating is 0.5-1.5 mm, the polytetrafluoroethylene material has good stability, acid and alkali corrosion resistance and extremely low friction coefficient, and is not easy to adhere impurities and generate large abrasion.

Referring to fig. 7, the reinforcing ring 13 is regular hexagonal and has a stable structure, the reinforcing ring 13 includes twelve reinforcing rods 15, and the reinforcing rods 15 are interconnected, so that the structure is simple, uniform production and assembly are facilitated, and the assembly cost is greatly reduced.

Referring to fig. 8, a plurality of uniformly distributed reinforcing wires 14 are fixedly connected to the surface of the reinforcing rod 15, the surface of each reinforcing wire 14 is frosted, the reinforcing wire 14 can greatly improve the contact stability with the sealing plate 7, the frosted reinforcing wire is not easy to slip, a plurality of uniformly distributed phase change particles 16 are fixedly connected to the inside of the reinforcing rod 15, the situation that the sealing plate is suddenly cooled and heated can be greatly reduced, the sealing plate is not easy to age due to repeated changes of temperature, and the service life of the sealing plate in a variable environment can be greatly prolonged.

The reinforcing rod 15 is made of aluminum alloy, and the surface of the reinforcing rod 15 is anodized to form a porous oxide film, so that the stability of the reinforcing rod 15 can be greatly improved, and the reinforcing rod is not easy to corrode or rust.

The phase change particles 16 include a hollow shell, the hollow shell is filled with a PJ220 material, the PJ220 material is a water-swelling water-stopping glue super water-stopping material, and can expand when encountering water, so that the water-stopping effect can be more truly exerted, and meanwhile, the adhesion to materials such as metal and rubber is good.

The sealing plate 7 and the sealing ring 4 are made of chloroprene rubber, have good physical and mechanical properties, and have the characteristics of oil resistance, heat resistance, flame resistance, sunlight resistance, ozone resistance, acid and alkali resistance and chemical reagent resistance.

During the use, can with the utility model discloses install between the both ends water pipe, with 9 switch-on power supplies of pneumatic means, through corresponding controller, can control pneumatic means 9 and drive spindle shaft 6 and rotate to realize the rotation of closing plate 7, can realize opening and close of butterfly valve, can install GSM module and bluetooth module by technical personnel in the field in pneumatic means 9 simultaneously, long-range control is realized to accessible GSM module, can realize cell-phone or dull and stereotyped close range wireless control through bluetooth module.

This scheme can realize having high temperature resistant, wear-resisting and the good advantage of mechanical properties, also has better sealing performance simultaneously, and the scope of application is wide, can increase the intensity of closing plate by a wide margin under the effect of beaded finish, and phase transition particle wherein can reduce the condition that the closing plate takes place the shock cooling suddenly hot by a wide margin simultaneously, makes the closing plate difficult to produce ageing because of the repeated change of temperature, can prolong the life in changeable environment by a wide margin.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. Lever type soft sealing butterfly valve, including butterfly valve main ring (1), its characterized in that: the upper end of the butterfly valve main ring (1) is fixedly connected with a main shaft sleeve (2), the upper end of the main shaft sleeve (2) is fixedly connected with a mounting disc (8), the inner wall of the butterfly valve main ring (1) is fixedly connected with a sealing ring (4), a sealing plate (7) is arranged in the sealing ring (4), the lower end of the butterfly valve main ring (1) is connected with an auxiliary shaft sleeve (5), the upper end of the sealing plate (7) is fixedly connected with a main shaft rod (6), the main shaft rod (6) sequentially penetrates through the sealing ring (4), the butterfly valve main ring (1), the main shaft sleeve (2) and the mounting disc (8), the upper end of the mounting disc (8) is fixedly connected with a pneumatic device (9), the pneumatic device (9) is connected with the main shaft rod (6), the lower end of the sealing plate (7) is fixedly connected with an auxiliary shaft rod (12), the lower end of the auxiliary shaft rod (12) sequentially penetrates through the sealing ring (4) and, the butterfly valve is characterized in that a reinforcing ring (13) is connected in the sealing plate (7), the auxiliary shaft rod (12) is fixedly connected with the lower end of the reinforcing ring (13), the main shaft rod (6) is fixedly connected with the upper end of the reinforcing ring (13), a pair of auxiliary connecting discs (10) are highly connected to the butterfly valve main ring (1), and the auxiliary connecting discs (11) are fixedly connected to the auxiliary connecting discs (10).

2. A lever type soft seal butterfly valve as claimed in claim 1, wherein: a pair of connecting ribs (3) are connected between the butterfly valve main ring (1) and the main shaft sleeve (2), and a fixing hole is formed in each connecting rib (3).

3. A lever type soft seal butterfly valve as claimed in claim 1, wherein: the shape of the reinforcing ring (13) is a regular hexagon.

4. A lever type soft seal butterfly valve as claimed in claim 1, wherein: the reinforcing ring (13) comprises twelve reinforcing rods (15), and the reinforcing rods (15) are communicated with each other.

5. A lever type soft seal butterfly valve as claimed in claim 4, wherein: the surface of the reinforcing rod (15) is fixedly connected with a plurality of uniformly distributed reinforcing wires (14).

6. A lever type soft seal butterfly valve as claimed in claim 5, wherein: the interior of the reinforcing rod (15) is fixedly connected with a plurality of uniformly distributed phase change particles (16).

7. A lever type soft seal butterfly valve as claimed in claim 4, wherein: the reinforcing rod (15) is made of an aluminum alloy material, and a porous oxide film is formed on the surface of the reinforcing rod (15) by anodic oxidation.

8. A lever type soft seal butterfly valve as claimed in claim 1, wherein: the sealing plate (7) and the sealing ring (4) are both made of chloroprene rubber.