CN221300134U - Butterfly valve with sealing structure - Google Patents

Abstract

The utility model discloses a butterfly valve with a sealing structure, which comprises a valve body, wherein a valve plate is movably arranged in the valve body, a stainless steel layer is fixedly arranged in the valve plate, an aluminum alloy layer is fixedly arranged in the stainless steel layer, a polypropylene anti-corrosion layer is fixedly arranged in the aluminum alloy layer, and an epoxy coal calendar anti-corrosion layer is fixedly arranged in the polypropylene anti-corrosion layer. According to the utility model, the valve plate is movably arranged in the valve body, so that liquid in the valve body can be limited by the valve plate, then the valve plate is subjected to rust prevention by the stainless steel layer, the strength of the valve plate is enhanced by the high-quality light aluminum alloy layer, and then the valve plate is subjected to corrosion prevention by the oxidation resistance of the polypropylene corrosion-resistant layer and the effects of strong corrosion resistance and long service life of the epoxy coal calendar corrosion-resistant layer, so that the valve plate is matched with the valve plate for use, has high strength and can be used for corrosion prevention.

Description

Butterfly valve with sealing structure

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve with a sealing structure.

Background

The butterfly valve is also called a flap valve, and is a simple-structure regulating valve, the butterfly valve capable of being used for controlling the opening and closing of low-pressure pipeline media is characterized in that a closing member is a disc, the valve rotates around a valve shaft to achieve the purpose of opening and closing, 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 butterfly valve mainly plays the roles of cutting off and throttling on a pipeline, and the butterfly valve opening and closing member is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve in a valve body, so that the purpose of opening and closing or regulating is achieved.

Through retrieving, patent publication No. CN213745198U discloses a butterfly valve with seal structure, including butterfly valve main part and connecting axle, the top inboard of butterfly valve main part is provided with the connecting axle, the right-hand member fixedly connected with hand wheel of connecting axle, the right-hand member fixedly connected with go-between of butterfly valve main part, the outside fixedly connected with spacing ring of hand wheel, the left side of spacing ring is provided with solid fixed ring, and gu fixed ring and hand wheel fixed connection, however valve plate intensity is not high enough still can not anticorrosive in prior art document, and the liquid of butterfly valve during operation can cause the valve plate edge to be corroded by the valve plate, reduces the life of valve plate, and butterfly valve in prior art document does not have seal structure when closing moreover, can only rely on the valve plate to seal, and the liquid of using can reveal from the valve plate space, influences the normal use of butterfly valve plate, and the damage still has the potential safety hazard, probably can lead to production to forced to stop, reduces production efficiency.

Disclosure of utility model

The utility model aims to provide a butterfly valve with a sealing structure, wherein liquid in a valve body can be limited by utilizing a valve plate, then the valve plate is subjected to rust-proof work by utilizing a stainless steel layer, the strength of the valve plate is enhanced by utilizing the high-strength and light-weight performance of an aluminum alloy layer, then the valve plate is subjected to corrosion prevention by utilizing the oxidation resistance of a polypropylene corrosion-resistant layer and the effects of high corrosion resistance and long service life of an epoxy coal corrosion-resistant layer.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a butterfly valve with seal structure, includes the valve body, the inside movable mounting of valve body has the valve plate, the inside fixed stainless steel layer that is provided with of valve plate, the inside fixed aluminum alloy layer that is provided with on stainless steel layer, the inside fixed polypropylene anticorrosive coating that is provided with on aluminum alloy layer, the inside fixed epoxy coal calendar anticorrosive coating that is provided with on polypropylene anticorrosive coating, the surface of valve plate encircles and is provided with the seal cover, the seal cover is made with the rubber material, the both ends of seal cover are all fixed and are provided with the connecting hole, the inside through-mounting of connecting hole has spacing bolt, the both ends of connecting hole are all movable mounting has the gasket.

Preferably, the top of valve body all movable mounting has the mount pad, and the inside of mount pad runs through and installs the mounting bolt, the surface of valve body all is fixed and is provided with the glass board, the both sides of valve body all fixed mounting has the spacing dish, the bottom movable mounting of valve body has the positioning seat.

Preferably, the inside of limiting plate is fixed and is provided with spacing hole, and the inside in spacing hole is fixed and is provided with the spacing collar, all fixed mounting has first fixed plate between the limiting plate.

Preferably, a second fixing plate is movably arranged on one side of the first fixing plate, and a fixing bolt is fixedly arranged between the first fixing plate and the second fixing plate.

Preferably, the top of valve plate fixed mounting has first axostylus axostyle, and the top movable mounting of first axostylus axostyle has the hand wheel, the bottom fixed mounting of valve plate has the second axostylus axostyle, and the bottom of second axostylus axostyle runs through and installs the bearing.

Preferably, through holes are fixedly formed in two sides of the first shaft rod, a sealing block is movably mounted at the top of each through hole, a fixing rod is fixedly mounted at the bottom of each sealing block, a placing groove is fixedly formed in the bottom of each fixing rod, and a filter screen is fixedly arranged in each placing groove.

Preferably, the inside of positioning seat all runs through and installs the connecting bolt, the bottom fixed mounting of positioning seat has the base.

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

(1) The valve plate is movably arranged in the valve body, so that liquid in the valve body can be limited by the valve plate, then the valve plate is subjected to rust prevention by the stainless steel layer, the strength of the valve plate is enhanced by the high-quality light performance of the aluminum alloy layer, and then the valve plate is subjected to corrosion prevention by the effects of strong corrosion resistance of the polypropylene corrosion-resistant layer and strong corrosion resistance of the epoxy coal calendar corrosion-resistant layer and long service life;

(2) Through being provided with the seal cover in the surface of valve plate around, can utilize the seal cover to protect the valve plate edge and spacing, utilize the rubber material can strengthen the life of seal cover afterwards, reuse connecting hole cooperation spacing bolt is fixed the seal cover to the surface of valve plate, then utilize the gasket to stop the space of connecting hole, can also strengthen the stability of spacing bolt, the cooperation is used, can seal, the valve plate is when closing, liquid can not follow the valve plate space outflow, can not influence the normal use of valve body, the efficiency of increase production.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a partial perspective view of a spacing disc of the present utility model;

fig. 4 is a schematic view showing the internal partial structure of the valve plate in the present utility model.

The meaning of each reference numeral in the figures is: 1. a valve body; 101. a mounting base; 102. a mounting bolt; 103. a glass plate; 2. a valve plate; 201. a stainless steel layer; 202. an aluminum alloy layer; 203. a polypropylene anticorrosive layer; 204. an epoxy coal calendar anticorrosive layer; 3. sealing sleeve; 301. a connection hole; 302. a limit bolt; 303. a gasket; 4. a limiting disc; 401. a limiting hole; 402. a limit ring; 5. a first fixing plate; 501. a second fixing plate; 502. a fixing bolt; 6. a first shaft; 601. a hand wheel; 602. a second shaft; 603. a bearing; 7. a through hole; 701. a sealing block; 702. a fixed rod; 703. a placement groove; 704. a filter screen; 8. a positioning seat; 801. a connecting bolt; 802. and (5) a base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme that:

Referring to fig. 1-4, a butterfly valve with a sealing structure includes a valve body 1, wherein a mounting seat 101 is movably mounted at the top of the valve body 1, a mounting bolt 102 is mounted in the mounting seat 101 in a penetrating manner, a glass plate 103 is fixedly arranged on the surface of the valve body 1, a limiting disc 4 is fixedly mounted at two sides of the valve body 1, a limiting hole 401 is fixedly arranged in the limiting disc 4, a limiting ring 402 is fixedly arranged in the limiting hole 401, a first fixing plate 5 is fixedly mounted between the limiting discs 4, a second fixing plate 501 is movably mounted at one side of the first fixing plate 5, a fixing bolt 502 is fixedly mounted between the first fixing plate 5 and the second fixing plate 501, a positioning seat 8 is movably mounted at the bottom of the valve body 1, a connecting bolt 801 is mounted in the positioning seat 8 in a penetrating manner, and a base 802 is fixedly mounted at the bottom of the positioning seat 8;

Specifically, as shown in fig. 1, 2 and 3, when in use, the mounting seat 101 is movably mounted on the top of the valve body 1, the first shaft lever 6 can be limited by using the mounting seat 101, then the mounting seat 101 is fixed by using the mounting bolt 102, then the inside of the placing groove 703 can be watched by using the glass plate 103, if excessive impurities can be removed for cleaning, then the external pipeline can be limited by using the limiting plate 4 to match with the limiting hole 401, so that transportation work is convenient, the limiting ring 402 can limit and protect the external water pipe, then the first fixing plate 5 is attached to the second fixing plate 501, then the fixing bolt 502 is used for fixing, the limiting plate 4 is fixed on two sides of the valve body 1 for working, then the valve body 1 is supported by using the positioning seat 8, then the base 802 is used for placing, and when the valve body 1 is required to be used, the positioning seat 8 is detached by using the connecting bolt 801, and the work of the valve body 1 is not hindered;

The valve body 1 is internally and movably provided with a valve plate 2, a stainless steel layer 201 is fixedly arranged in the valve plate 2, an aluminum alloy layer 202 is fixedly arranged in the stainless steel layer 201, a polypropylene anti-corrosion layer 203 is fixedly arranged in the aluminum alloy layer 202, and an epoxy coal calendar anti-corrosion layer 204 is fixedly arranged in the polypropylene anti-corrosion layer 203;

Specifically, as shown in fig. 1, 2 and 4, when in use, by movably mounting the valve plate 2 in the valve body 1, the valve plate 2 can be utilized to limit the liquid in the valve body 1, then the stainless steel layer 201 is utilized to perform rust prevention on the valve plate 2, the aluminum alloy layer 202 is utilized to strengthen the strength of the valve plate 2, and then the oxidation resistance of the polypropylene anti-corrosion layer 203 is utilized to add the effects of strong corrosion resistance and long service life of the epoxy coal calendar anti-corrosion layer 204 to perform anti-corrosion function on the valve plate 2, so that the valve plate 2 is high in strength and can be used in a matched manner, the valve plate 2 can not be corroded after long-time use, and the service life of the valve plate 2 is prolonged;

The surface of the valve plate 2 is circumferentially provided with a sealing sleeve 3, the sealing sleeve 3 is made of rubber materials, both ends of the sealing sleeve 3 are fixedly provided with connecting holes 301, limiting bolts 302 are arranged in the connecting holes 301 in a penetrating manner, and gaskets 303 are movably arranged at both ends of the connecting holes 301;

specifically, as shown in fig. 1, fig. 2 and fig. 4, when in use, by surrounding the surface of the valve plate 2 with the sealing sleeve 3, the edge of the valve plate 2 can be protected and limited by the sealing sleeve 3, then the service life of the sealing sleeve 3 can be prolonged by using rubber materials, the sealing sleeve 3 is fixed to the surface of the valve plate 2 by using the connecting hole 301 to be matched with the limiting bolt 302, then the gap of the connecting hole 301 can be blocked by using the gasket 303, the stability of the limiting bolt 302 can be enhanced, and the valve plate 2 can be sealed by matching with the gasket, when being closed, liquid can not flow out from the gap of the valve plate 2, so that the normal use of the valve body 1 can not be influenced, and the production efficiency can be increased;

The top of the valve plate 2 is fixedly provided with a first shaft lever 6, the top of the first shaft lever 6 is movably provided with a hand wheel 601, the bottom of the valve plate 2 is fixedly provided with a second shaft lever 602, the bottom of the second shaft lever 602 is provided with a bearing 603 in a penetrating manner, both sides of the first shaft lever 6 are fixedly provided with through holes 7, the top of the through holes 7 is movably provided with a sealing block 701, the bottom of the sealing block 701 is fixedly provided with a fixing rod 702, the bottom of the fixing rod 702 is fixedly provided with a placing groove 703, and the inside of the placing groove 703 is fixedly provided with a filter screen 704;

Specifically, as shown in fig. 1 and 2, during the use, through the top fixed mounting at valve plate 2 has first axostylus axostyle 6, can utilize first axostylus axostyle 6 to cooperate second axostylus axostyle 602 to carry out spacingly with valve plate 2, it is rotatory inside bearing 603 with first axostylus axostyle 6 and second axostylus axostyle 602 to utilize hand wheel 601, close valve plate 2, accomplish sealed work, then utilize through-hole 7 to carry out spacingly with dead lever 702, it is spacing with impurity in the liquid to utilize filter screen 704 cooperation standing groove 703 again, prevent to block valve plate 2, observe standing groove 703 through glass board 103, after impurity is too much, utilize the hole on the sealing block 701 to draw out standing groove 703, clear up.

Working principle: when the valve body 1 is used, firstly, the valve body 1 is supported by utilizing the positioning seat 8, then the valve body 1 is placed by utilizing the base 802, when the valve body 1 is required to be used, the positioning seat 8 is detached by utilizing the connecting bolt 801, the external pipeline can be limited by utilizing the limiting disc 4 to be matched with the limiting hole 401, transportation work is convenient, the external water receiving pipe can be limited and protected by the limiting ring 402, then the first fixing plate 5 and the second fixing plate 501 are used for being attached, the fixing bolt 502 is used for fixing, and the limiting disc 4 is fixed on two sides of the valve body 1 for working;

Secondly, limiting the fixed rod 702 through the through hole 7, limiting impurities in the liquid by utilizing the filter screen 704 to cooperate with the placing groove 703 to prevent the valve plate 2 from being blocked, observing the placing groove 703 through the glass plate 103, after excessive impurities, pulling out the placing groove 703 through holes on the sealing block 701, limiting the liquid in the valve body 1 by utilizing the valve plate 2, performing rust prevention on the valve plate 2 by utilizing the stainless steel layer 201, reinforcing the strength of the valve plate 2 by utilizing the aluminum alloy layer 202, performing corrosion prevention on the valve plate 2 by utilizing the polypropylene anti-corrosion layer 203 and the epoxy coal calendar anti-corrosion layer 204, protecting and limiting the edge of the valve plate 2 by utilizing the sealing sleeve 3, reinforcing the service life of the sealing sleeve 3 by utilizing the rubber material, fixing the sealing sleeve 3 to the surface of the valve plate 2 by utilizing the connecting hole 301 to cooperate with the limiting bolt 302, blocking the gap of the connecting hole 301 by utilizing the gasket 303, and further reinforcing the stability of the limiting bolt 302;

Finally, the valve plate 2 is limited by the first shaft rod 6 and the second shaft rod 602, the first shaft rod 6 and the second shaft rod 602 are rotated in the bearing 603 by the hand wheel 601, the valve plate 2 is closed to achieve sealing, the first shaft rod 6 is limited by the mounting seat 101, the mounting seat 101 is fixed by the mounting bolt 102, and the glass plate 103 can be used for viewing the inside of the placing groove 703.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. Butterfly valve with seal structure, including valve body (1), its characterized in that: valve plate (2) are movably installed in the valve body (1), stainless steel layer (201) are fixedly arranged in the valve plate (2), aluminum alloy layer (202) are fixedly arranged in the stainless steel layer (201), polypropylene anti-corrosion layer (203) are fixedly arranged in the aluminum alloy layer (202), epoxy coal calendar anti-corrosion layer (204) are fixedly arranged in the polypropylene anti-corrosion layer (203), sealing sleeves (3) are arranged on the surfaces of the valve plate (2) in a surrounding mode, the sealing sleeves (3) are made of rubber materials, connecting holes (301) are fixedly formed in two ends of the sealing sleeves (3), limiting bolts (302) are fixedly arranged in the connecting holes (301) in a penetrating mode, and gaskets (303) are movably installed at two ends of the connecting holes (301).

2. A butterfly valve with a sealing structure according to claim 1, wherein: the top of valve body (1) all movable mounting has mount pad (101), and the inside of mount pad (101) runs through and installs mounting bolt (102), the surface of valve body (1) all is fixed and is provided with glass board (103), both sides of valve body (1) all are fixed mounting has spacing dish (4), the bottom movable mounting of valve body (1) has positioning seat (8).

3. A butterfly valve with a sealing structure according to claim 2, wherein: limiting holes (401) are fixedly formed in the limiting plates (4), limiting rings (402) are fixedly arranged in the limiting holes (401), and first fixing plates (5) are fixedly arranged between the limiting plates (4).

4. A butterfly valve with a sealing structure according to claim 3, wherein: one side of the first fixed plate (5) is movably provided with a second fixed plate (501), and a fixed bolt (502) is fixedly arranged between the first fixed plate (5) and the second fixed plate (501).

5. A butterfly valve with a sealing structure according to claim 1, wherein: the top fixed mounting of valve plate (2) has first axostylus axostyle (6), and the top movable mounting of first axostylus axostyle (6) has hand wheel (601), the bottom fixed mounting of valve plate (2) has second axostylus axostyle (602), and the bottom of second axostylus axostyle (602) runs through and installs bearing (603).

6. The butterfly valve with sealing structure of claim 5, wherein: through holes (7) are fixedly formed in two sides of the first shaft rod (6), sealing blocks (701) are movably mounted at the tops of the through holes (7), fixing rods (702) are fixedly mounted at the bottoms of the sealing blocks (701), placing grooves (703) are fixedly formed in the bottoms of the fixing rods (702), and filter screens (704) are fixedly arranged in the placing grooves (703).

7. A butterfly valve with a sealing structure according to claim 2, wherein: the inside of positioning seat (8) all runs through and installs connecting bolt (801), the bottom fixed mounting of positioning seat (8) has base (802).