CN211574279U - A Corrosion Resistant V Type Eccentric Double Disc Butterfly Valve - Google Patents

Abstract

The utility model discloses an eccentric double entry dish board type butterfly valve of corrosion-resistant V type, include: the butterfly valve comprises a butterfly valve body and a valve plate, wherein a hollow cylinder body used for installing a valve rod is arranged on the butterfly valve body, a mounting seat is arranged at the top of the butterfly valve body, a cavity is arranged inside the butterfly valve body, the valve plate is arranged in the cavity inside the butterfly valve body, and the butterfly valve body and the valve plate are made of plastic materials. The utility model discloses in an eccentric double entry dish board type butterfly valve of corrosion-resistant V type, its simple structure, reasonable in design improves the stability of its use, lets the operation of its control butterfly valve that can be better, has also improved its corrosion resisting property simultaneously, effectively prolongs its life to let its better demand of satisfying the production.

Description

A Corrosion Resistant V Type Eccentric Double Disc Butterfly Valve

technical field

The utility model belongs to the field of butterfly valve processing, in particular to a corrosion-resistant V-shaped eccentric compound disc type butterfly valve.

Background technique

Butterfly valve, also known as flap valve, is a kind of regulating valve with simple structure. Butterfly valve that can be used for on-off control of low-pressure pipeline medium means that the closing member (disc or butterfly plate) is a disc, which rotates around the valve shaft to achieve opening and closing. of a valve.

Valves can be used to control the flow of various types of fluids such as air, water, various corrosive media, mud, oil, liquid metal and radioactive media. It mainly plays the role of cutting off and throttling on the pipeline. The butterfly valve opening and closing part is a disc-shaped butterfly plate, which rotates around its own axis in the valve body to achieve the purpose of opening and closing or adjustment. With the rapid development of society and economy, all walks of life are making continuous progress and realizing technological innovation, and the same is true for butterfly valves.

Most of the discs in the existing butterfly valves are one-piece. Due to long-term impact, their service life is short, and once a problem occurs, the entire valve plate must be replaced, and the cost is high. At the same time, the existing The valve plate of the butterfly valve is relatively thin, and most of them are metal parts, which are easily corroded by the medium during use.

Utility model content

Purpose of the utility model: In order to overcome the above deficiencies, the purpose of the utility model is to provide a corrosion-resistant V-type eccentric compound disc type butterfly valve, which has simple structure, reasonable design, easy production, high degree of automation, reduced manual labor, and improved The work efficiency is improved, the storage capacity is large and the application is flexible.

Technical scheme: In order to achieve the above purpose, the utility model provides a corrosion-resistant V-shaped eccentric double disc type butterfly valve, including: a butterfly valve body and a valve plate, and the butterfly valve body is provided with a hollow cylinder for installing a valve stem The top of the butterfly valve body is provided with a mounting seat, and the interior is provided with a cavity, the valve plate is installed in the cavity inside the butterfly valve body, and the butterfly valve body and the valve plate are made of plastic materials.

The corrosion-resistant V-shaped eccentric double disc type butterfly valve described in the utility model has the advantages of simple structure and reasonable design, which improves the stability of its use, enables it to better control the operation of the butterfly valve, and also improves the performance of the butterfly valve. Its corrosion resistance can effectively extend its service life, so that it can better meet the needs of production.

In the utility model, the butterfly valve body is provided with an inner valve body and an outer casing, the inner valve body is arranged inside the outer casing, and the two are connected by a rib plate. Reinforcing ribs are provided on both sides of the perforation. The arrangement of the rib plate and the reinforcing rib greatly improves the stability of the connection between the inner valve body and the outer casing.

In the utility model, the inner side of the inner valve body is provided with a boss, and the boss is matched with the valve plate. The arrangement of the boss enables it to realize a complementary design with the valve plate, thereby improving the stability of the connection between the inner valve body and the valve plate and the safety of use.

In the utility model, the valve plate is provided with a valve plate body and a valve cover, the inner side of the valve plate body is provided with a first boss, the first boss is arranged on the second boss, the first boss is The boss is located on the outer side of the second boss and is arranged in the installation hole, the middle part of the valve cover is provided with an opening, and the periphery of the opening is provided with a second through hole, the second through hole corresponds to the installation hole one-to-one, and the valve cover is provided with an opening. It is installed on the valve plate body, and a sealing ring is arranged at the connection between the first boss and the valve cover, and the opening is matched with the second boss.

In the utility model, the outer side of the valve plate body is provided with a set of installation sleeves for installing the valve stem, and the installation sleeves are provided with installation holes.

In the utility model, the valve plate body is provided with a groove on the inner side of the installation sleeve.

In the utility model, reinforcing rib plates are also arranged between both sides of the installation sleeve and the valve plate body. The arrangement of the reinforcing ribs greatly improves the stability of the connection between the installation sleeve and the valve plate body.

The reinforcing rib plates in the utility model are triangular and symmetrically arranged on both sides of the installation sleeve.

In the utility model, both sides of the mounting seat are connected with the outer casing through connecting plates. The arrangement of the connecting plate optimizes and improves its structure and improves the stability of the connection between the mounting seat and the outer casing.

The connecting plate in the utility model is trapezoidal. The stability of the trapezoid is used to further improve the tightness and stability of the connection between the two.

As can be seen from the above technical solutions, the utility model has the following beneficial effects:

1. The corrosion-resistant V-type eccentric double disc type butterfly valve described in this utility model has a simple structure and a reasonable design, which improves the stability of its use, enables it to better control the operation of the butterfly valve, and at the same time. It improves its corrosion resistance and effectively prolongs its service life, so that it can better meet the needs of production.

2. In the present invention, the inner valve body is arranged inside the outer casing, and the two are connected by a rib plate. The rib plate is distributed with perforations, and the two sides of the perforation are provided with reinforcing ribs. The arrangement of the rib plate and the reinforcing rib greatly improves the stability of the connection between the inner valve body and the outer casing.

3. In the present utility model, the inner side of the inner valve body is provided with a boss, and the boss is matched with the valve plate. The arrangement of the boss enables it to realize a complementary design with the valve plate, thereby improving the stability of the connection between the inner valve body and the valve plate and the safety of use.

Description of drawings

1 is a schematic structural diagram of a butterfly valve body and a valve plate in the utility model;

Fig. 2 is the inner side schematic diagram of valve plate disassembly in the utility model;

Fig. 3 is the outer side schematic diagram of valve plate dismantling in the utility model;

Fig. 4 is the assembly drawing of the valve plate in the utility model;

In the figure: Butterfly valve body-1, valve plate-2, hollow cylinder-3, mounting seat-4, cavity-5, reinforcing rib plate-6, connecting plate-7, inner valve body-11, outer body-12 , rib plate-13, perforation-14, reinforcing rib-15, valve plate body-21, valve cover-22, first boss-23, second boss-24, mounting hole-25, opening-26, Two perforation-27, installation sleeve-28, installation perforation-281, groove-29.

Detailed ways

The present utility model will be further illustrated below in conjunction with the accompanying drawings and specific embodiments.

Example

As shown in the figure, a corrosion-resistant V-shaped eccentric double disc type butterfly valve includes: a butterfly valve body 1 and a valve plate 2. The butterfly valve body 1 is provided with a hollow cylinder 3 for installing a valve stem. The butterfly valve The top of the body 1 is provided with a mounting seat 4, and the interior is provided with a cavity 5. The valve plate 2 is installed in the cavity 5 inside the butterfly valve body 1, and the butterfly valve body 1 and the valve plate 2 are made of plastic materials. .

Further, the butterfly valve body 1 is provided with an inner valve body 11 and an outer casing 12, the inner valve body 11 is arranged inside the outer casing 12, and the two are connected by a rib 13, and the rib 13 is on the Perforations 14 are distributed, and reinforcing ribs 15 are arranged on both sides of the perforations 14 .

Further, a boss is provided on the inner side of the inner valve body 11 , and the boss is matched with the valve plate 2 .

Further, the valve plate 2 is provided with a valve plate body 21 and a valve cover 22, the inner side of the valve plate body 21 is provided with a first boss 23, and the first boss 23 is arranged on the second boss 24. The first boss 23 is located on the outer side of the second boss 24 and is provided in the mounting hole 25, the valve cover 22 is provided with an opening 26 in the middle, and a second through hole 27 is provided around the opening 26. The two through holes 27 correspond to the mounting holes 25 one-to-one. The valve cover 22 is mounted on the valve plate body 21, and a sealing ring 8 is provided at the connection between the first boss 23 and the valve cover 22. The opening 26 is connected to the valve plate body 21. The two bosses 24 are matched with each other.

Preferably, an outer side of the valve plate body 21 is provided with a set of mounting sleeves 28 for mounting the valve stem, and the mounting sleeves 28 are provided with mounting holes 281 .

Further, the valve plate body 21 is provided with a groove 29 on the inner side of the mounting sleeve 28 .

Preferably, reinforcing rib plates 6 are further provided between two sides of the mounting sleeve 28 and the valve plate body 21 .

Further, the reinforcing rib plates 6 are triangular and symmetrically arranged on both sides of the mounting sleeve 28 .

Further, both sides of the mounting seat 4 are connected to the outer casing 12 through the connecting plate 7 .

Further, the connecting plate 7 is trapezoidal.

The above are only the preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, some improvements can be made without departing from the principles of the present utility model, and these improvements should also be regarded as This is the scope of protection of the utility model.

Claims (10)

1. The utility model provides an eccentric double entry dish board type butterfly valve of corrosion-resistant V type which characterized in that: the method comprises the following steps: butterfly valve body (1) and valve plate (2), be equipped with hollow cylinder (3) that are used for installing the valve rod on butterfly valve body (1), the top of butterfly valve body (1) is equipped with mount pad (4), and inside is equipped with cavity (5), install in inside cavity (5) of butterfly valve body (1) valve plate (2), just butterfly valve body (1) and valve plate (2) all adopt plastic materials to make.

2. The corrosion-resistant V-shaped eccentric compound butterfly valve of claim 1, wherein: be equipped with interior valve body (11) and shell body (12) in butterfly valve body (1), the inside of shell body (12) is located in interior valve body (11), connects through gusset (13) between the two, it has perforation (14) to distribute on gusset (13), and the both sides that are located perforation (14) are equipped with strengthening rib (15).

3. The corrosion-resistant V-shaped eccentric compound butterfly valve of claim 2, wherein: the inboard of interior valve body (11) is equipped with the boss, the boss cooperatees with valve plate (2).

4. The corrosion-resistant V-shaped eccentric compound butterfly valve of claim 1, wherein: be equipped with valve plate body (21) and valve gap (22) in valve plate (2), the inboard of valve plate body (21) is equipped with first boss (23), locate second boss (24) on first boss (23), mounting hole (25) are located in the outside that first boss (23) are located second boss (24), the middle part of valve gap (22) is equipped with opening (26), and a week that is located opening (26) is equipped with the second and perforates (27), the second perforates (27) and mounting hole (25) one-to-one, valve gap (22) are installed on valve plate body (21), and the junction of first boss (23) and valve gap (22) is equipped with sealing washer (8), opening (26) and second boss (24) cooperate.

5. The corrosion-resistant V-shaped eccentric compound butterfly valve of claim 4, wherein: the outside of valve plate body (21) is equipped with a set of installation cover (28) that are used for installing the valve rod, be equipped with installation perforation (281) on installation cover (28).

6. The corrosion-resistant V-shaped eccentric compound butterfly valve of claim 5, wherein: a groove (29) is formed in the valve plate body (21) and located on the inner side of the mounting sleeve (28).

7. The corrosion-resistant V-shaped eccentric compound butterfly valve of claim 5, wherein: and reinforcing rib plates (6) are arranged between the two sides of the mounting sleeve (28) and the valve plate body (21).

8. The corrosion-resistant V-shaped eccentric compound butterfly valve of claim 7, wherein: the reinforcing rib plates (6) are triangular and are symmetrically arranged on two sides of the mounting sleeve (28).

9. The corrosion-resistant V-shaped eccentric compound butterfly valve of claim 2, wherein: and two sides of the mounting seat (4) are connected with the outer shell (12) through connecting plates (7).

10. The corrosion-resistant V-shaped eccentric compound butterfly valve of claim 9, wherein: the connecting plate (7) is trapezoidal.

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