CN213393593U

CN213393593U - Valve disc plate for double-valve-plate butterfly valve

Info

Publication number: CN213393593U
Application number: CN202022216152.9U
Authority: CN
Inventors: 郑祥恩; 许永乐; 蒋乾清
Original assignee: Hebei Rongyi Valve Co ltd
Current assignee: Hebei Rongyi Valve Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-08
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a butterfly valve technical field just discloses a valve dish board for double-valve butterfly valve, which comprises a body, the body includes dish board and pilot hole, the dish board comprises basic unit, lower wearing layer and last wearing layer, the upper and lower both ends fixedly connected with assembly hunch-up of dish board, the pilot hole sets up at the upper and lower both ends of dish board, two the pilot hole is seted up respectively two the assembly hunch-up non-adjacent one end, the equal fixedly connected with strengthening rib of the tow sides of dish board, install the sealing washer around the dish board. The utility model discloses an installation sealing washer around the dish board to make the dish board when installing in the valve body, can fully contact with the inner wall of valve body on every side, thereby improve the leakproofness, thereby be difficult to appear with the not tight condition of valve body inner wall seal, and can improve the intensity of dish board through setting up the strengthening rib, improve the wearability and the corrosion resistance of dish board through wearing layer and last wearing layer down.

Description

Valve disc plate for double-valve-plate butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a valve dish board for double-valve-plate butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing member (valve clack or disc plate) as a disc and rotating around a valve shaft to open and close, wherein 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 disc plate and rotates around the axis of the butterfly valve opening and closing piece in the valve body, so that the opening and closing or adjusting purpose is achieved.

The existing butterfly plate of the double-valve plate butterfly valve is not tightly installed with a sealing ring during installation, and poor sealing is easily caused.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides a double valve board is valve dish board for butterfly valve to solve the problem that provides among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a valve dish board for bivalve butterfly valve, includes the body, the body includes dish board and pilot hole, the dish board comprises basic unit, lower wearing layer and last wearing layer, the upper and lower both ends fixedly connected with assembly of dish board is arched, the pilot hole sets up at the upper and lower both ends of dish board, two the pilot hole is seted up respectively two the assembly is arched non-adjacent one end, the equal fixedly connected with strengthening rib in tow sides of dish board, install the sealing washer around the dish board, the inboard of sealing washer is opened around the dish board has the joint groove, the inboard fixedly connected with joint circle of sealing washer, the inner wall fixedly connected with fastening block in joint groove.

Preferably, the material of basic unit is nodular cast iron, go up the wearing layer and be the copper alloy with the material of wearing layer down, can make the wearability increase of dish board through the last wearing layer that sets up copper alloy material and wearing layer down to copper alloy itself has stronger corrosion resistance.

Preferably, the strengthening rib of dish board tow sides comprises horizontal muscle and vertical muscle to the shape of constituteing is the net type, the strengthening rib is integrated into one piece with the dish board, improves the impact resistance of dish board through the strengthening rib.

Preferably, the section shape of joint inslot wall fastening block is isosceles trapezoid, the both ends of the inboard of joint circle are equipped with spacing arch, can let the joint circle tightly the joint at the joint inslot, make the sealing washer difficult to not hard up.

Preferably, the cross section of the sealing ring is semicircular, and the sealing ring is made of fluororubber.

Preferably, the edge in joint groove is equipped with the chamfer to the direction of chamfer is the middle part in joint groove, makes the sealing washer joint inseparabler.

Compared with the prior art, the utility model provides a valve dish board for bivalve plate butterfly valve possesses following beneficial effect:

1. the utility model discloses an installation sealing washer around the dish board to make the dish board when installing in the valve body, can fully contact with the inner wall of valve body on every side, thereby improve the leakproofness, thereby be difficult to appear with the not tight condition of valve body inner wall seal, improve the usability of valve body, and can improve the intensity of dish board through setting up the strengthening rib, improve the wearability and the corrosion resistance of dish board through wearing layer and last wearing layer down.

2. The utility model discloses a joint circle and joint groove joint to inner wall in joint groove is provided with trapezoidal fastening block, sets up spacing arch in the one end of joint circle, thereby can make the joint circle can be inseparabler in with joint groove joint, thereby make the sealing washer be difficult to not hard up.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a cross-sectional view of a top view of the present invention;

FIG. 4 is a partial structure view of a top cross-sectional view of the present invention;

FIG. 5 is a layered structure diagram of the dish plate of the present invention;

fig. 6 is an enlarged schematic view of the present invention a.

In the figure: the structure comprises a body 1, a base layer 101, a lower wear-resistant layer 102, an upper wear-resistant layer 103, a plate 11, a reinforcing rib 12, a 13 assembling arch, a 14 assembling hole, a 15 sealing ring, a 16 clamping groove, a 17 clamping ring, an 18 fastening block and a 19 chamfer.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting 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", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-6, the present invention provides a technical solution: a valve disc plate for a double-valve disc butterfly valve comprises a body 1, wherein the body 1 comprises a disc plate 11 and assembly holes 14, the disc plate 11 is composed of a base layer 101, a lower wear-resistant layer 102 and an upper wear-resistant layer 103, the base layer 101 is made of nodular cast iron, the upper wear-resistant layer 103 and the lower wear-resistant layer 102 are made of copper alloy, the wear resistance of the disc plate 11 can be improved by arranging the upper wear-resistant layer 103 and the lower wear-resistant layer 102 made of copper alloy, the copper alloy has stronger corrosion resistance, the upper end and the lower end of the disc plate 11 are fixedly connected with assembly arches 13, the assembly holes 14 are arranged at the upper end and the lower end of the disc plate 11, the two assembly holes 14 are respectively arranged at one ends of the two assembly arches 13 which are not adjacent, reinforcing ribs 12 are fixedly connected to the front side and the back side of the disc plate 11, the reinforcing ribs 12 on the front side and the back side of the disc plate 11 are composed of transverse ribs and vertical ribs, the reinforcing, the impact resistance of the disc plate 12 is improved by the reinforcing ribs 12, the sealing ring 15 is arranged around the disc plate 11, the section shape of the sealing ring 15 is semicircular, the sealing ring 15 is made of fluororubber, the sealing ring 15 is arranged around the disc plate 11, so that the periphery of the disc plate 11 can be fully contacted with the inner wall of the valve body when the disc plate 11 is arranged in the valve body, the sealing property is improved, the situation of untight sealing with the inner wall of the valve body is not easy to occur, the usability of the valve body is improved, the strength of the disc plate 11 can be improved by arranging the reinforcing ribs 12, the wear resistance and the corrosion resistance of the disc plate 11 are improved by the lower wear-resistant layer 102 and the upper wear-resistant layer 103, the clamping groove 16 is formed on the periphery of the disc plate 11 at the inner side of the sealing ring 15, the clamping ring 17 is fixedly connected to the inner side of the sealing ring 15, the fastening block, and inner wall at joint groove 16 is provided with trapezoidal holding block 18, one end at joint circle 17 sets up spacing arch, thereby can make joint circle 17 can be inseparabler in with joint groove 16 joint, thereby make sealing washer 15 be difficult to not hard up, the section shape of joint groove 16 inner wall holding block 18 is isosceles trapezoid, the both ends of joint circle 17's inboard are equipped with spacing arch, can let joint circle 17 tightly joint in joint groove 16, it is difficult to not hard up to make sealing washer 15, the edge in joint groove 16 is equipped with chamfer 19, and the direction of chamfer 19 is the middle part in joint groove 16, it is inseparabler to make sealing washer 15 joint.

When using, installation sealing washer 15 around dish board 11, thereby make dish board 11 when installing in the valve body, can fully contact with the inner wall of valve body on every side, thereby improve the leakproofness, thereby be difficult to appear with the not tight condition of valve body inner wall seal, improve the usability of valve body, and can improve the intensity of dish board 11 through setting up strengthening rib 12, wearing layer 102 and last wearing layer 103 improve the wearability and the corrosion resistance of dish board 11 through down, through joint ring 17 and joint groove 16 joint, and be provided with trapezoidal mounting block 18 at the inner wall of joint groove 16, set up spacing arch in the one end of joint ring 17, thereby can make joint ring 17 can be inseparabler in with joint groove 16 joint, thereby make sealing washer 15 be difficult to become flexible.

To sum up, the utility model discloses an installation sealing washer 15 around dish board 11, thereby make dish board 11 when installing in the valve body, can fully contact with the inner wall of valve body on every side, thereby improve the leakproofness, thereby be difficult to appear with the not tight condition of valve body inner wall seal, improve the usability of valve body, and can improve the intensity of dish board 11 through setting up strengthening rib 12, wearing layer 102 and last wearing layer 103 improve the wearability and the corrosion resistance of dish board 11 through down, through joint circle 17 and joint groove 16 joint, and be provided with trapezoidal fastening block 18 at the inner wall of joint groove 16, set up spacing arch in the one end of joint circle 17, thereby can make joint circle 17 can be inseparabler in with joint groove 16 joint, thereby make sealing washer 15 be difficult to become flexible.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a valve dish board for double valve board butterfly valve, includes body (1), body (1) includes dish board (11) and pilot hole (14), its characterized in that: dish board (11) comprise basic unit (101), lower wearing layer (102) and last wearing layer (103), the upper and lower both ends fixedly connected with assembly hunch-up (13) of dish board (11), pilot hole (14) set up the upper and lower both ends in dish board (11), two pilot hole (14) are seted up respectively two the assembly hunch-up (13) non-adjacent one end, the equal fixedly connected with strengthening rib (12) in tow sides of dish board (11), install sealing washer (15) around dish board (11), the inboard of sealing washer (15) is opened around dish board (11) has joint groove (16), the inboard fixedly connected with joint circle (17) of sealing washer (15), the inner wall fixedly connected with fastening block (18) of joint groove (16).

2. The valve disc for a dual-valve disc butterfly valve of claim 1, wherein: the base layer (101) is made of nodular cast iron, and the upper wear-resistant layer (103) and the lower wear-resistant layer (102) are made of copper alloy.

3. The valve disc for a dual-valve disc butterfly valve of claim 1, wherein: the reinforcing ribs (12) on the front and back surfaces of the dish plate (11) are composed of transverse ribs and vertical ribs, the formed shape is a grid shape, and the reinforcing ribs (12) and the dish plate (11) are integrally formed.

4. The valve disc for a dual-valve disc butterfly valve of claim 1, wherein: the section shape of the inner wall fastening block (18) of the clamping groove (16) is isosceles trapezoid, and limiting bulges are arranged at two ends of the inner side of the clamping ring (17).

5. The valve disc for a dual-valve disc butterfly valve of claim 1, wherein: the cross section of the sealing ring (15) is semicircular, and the sealing ring (15) is made of fluororubber.

6. The valve disc for a dual-valve disc butterfly valve of claim 1, wherein: the edge of the clamping groove (16) is provided with a chamfer (19), and the direction of the chamfer (19) is the middle part of the clamping groove (16).