CN210372041U

CN210372041U - Corrosion-resistant anti-blocking pipeline butterfly valve

Info

Publication number: CN210372041U
Application number: CN201920948773.0U
Authority: CN
Inventors: 杨卫龙
Original assignee: Taizhou Longrui Valve Co ltd
Current assignee: Taizhou Longrui Valve Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-21
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a corrosion-resistant pipeline butterfly valve of preventing blockking up relates to pipeline valve technical field. The utility model comprises a valve body, wherein a connecting sleeve is fixed on the top of the valve body; the interior of the connecting sleeve is rotatably connected with a valve rod; a butterfly plate is fixed at one end of the valve rod and positioned in the valve body through a nut; both sides of the butterfly plate are vertically provided with filter plates; settling tanks are arranged at the bottom of the valve body and on two sides of the butterfly plate; and one side of each of the two settling tanks is provided with a slag discharge pipe. The utility model discloses a cooperation of valve body, butterfly plate, filter and precipitation tank is used, and the filter filters impurity, and when the butterfly plate was closed state with the valve body, the liquid stream of butterfly plate both sides was quiescent condition, and the impurity of filter side deposits the whereabouts to the precipitation tank in, through the scum pipe discharge, avoids the long-term impurity of using of butterfly valve to deposit and causes inside jam, has improved the life of butterfly valve.

Description

Corrosion-resistant anti-blocking pipeline butterfly valve

Technical Field

The utility model belongs to the technical field of the pipeline valve, especially, relate to a corrosion-resistant pipeline butterfly valve of preventing blockking up.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, can be used for on-off control of low-pressure pipeline media, and is a valve, the closing part of which is a disk and rotates around a valve shaft to open and close, and 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.

Current butterfly valve is under some special environmental conditions, if carry the liquid that contains silt concentration big, partial impurity in the silt can deposit in the butterfly valve, and along with the time, accumulational impurity is more and more in the butterfly valve to make the butterfly valve block up, lead to the unable normal use of butterfly valve, reduced the life of butterfly valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant pipeline butterfly valve of preventing blockking up has solved the long-time easy problem of blockking up, life hangs down of using of current butterfly valve.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a corrosion-resistant anti-clogging pipeline butterfly valve, which comprises a valve body, wherein a connecting sleeve is fixed at the top of the valve body; the interior of the connecting sleeve is rotatably connected with a valve rod; a butterfly plate is fixed at one end of the valve rod and positioned in the valve body through a nut; both sides of the butterfly plate are vertically provided with filter plates;

sedimentation tanks are arranged at the bottom of the valve body and on two sides of the butterfly plate; and two slag discharge pipes are arranged on one side of each settling tank.

Furthermore, a driving box is fixed at one end of the connecting sleeve; a sleeve is arranged on one side of the driving box; the inner surface of the sleeve is rotatably connected with a worm; and a rotating handle is fixed at one end of the worm.

Furthermore, one end of the valve rod is rotatably connected with the connecting sleeve through a ball bearing; a worm gear is fixed at one end of the valve rod; the worm wheel is in meshed transmission with the worm.

Further, a sealing ring is arranged on the inner surface of the valve body and between the valve body and the butterfly plate; and flanges are arranged at two ends of the valve body.

Furthermore, the peripheral side surfaces of the slag discharge pipes are in threaded connection with sealing covers.

Further, the peripheral surface of the valve body is coated with a corrosion-resistant layer; the corrosion-resistant layer is a polyurethane layer.

The utility model discloses following beneficial effect has:

the utility model discloses a cooperation of valve body, butterfly plate, filter and precipitation tank is used, and the filter filters impurity, and when the butterfly plate was the closure state with the valve body, the liquid stream of butterfly plate both sides was quiescent condition, and the impurity of filter side deposits the whereabouts to the precipitation tank in, avoids the butterfly valve to use for a long time and causes inside jam, has improved the life of butterfly valve, and it has corrosion resistant layer to coat at valve body week side simultaneously, has improved the corrosion resistance of valve body.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a corrosion-resistant and anti-clogging pipeline butterfly valve of the present invention;

FIG. 2 is a cross-sectional view of a corrosion-resistant and anti-clogging pipe butterfly valve;

FIG. 3 is an enlarged view taken at A in FIG. 2;

in the drawings, the components represented by the respective reference numerals are listed below:

1-valve body, 2-connecting sleeve, 3-valve rod, 4-nut, 5-butterfly plate, 6-filter plate, 7-precipitation tank, 8-slag discharge pipe, 9-driving box, 10-sleeve, 11-worm, 12-rotating handle, 13-ball bearing, 14-worm wheel, 15-sealing ring, 16-flange plate and 17-sealing cover.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to a corrosion-resistant anti-clogging pipeline butterfly valve, which comprises a valve body 1, wherein a connecting sleeve 2 is fixed on the top of the valve body 1; the valve rod 3 is rotatably connected inside the connecting sleeve 2; a butterfly plate 5 is fixed at one end of the valve rod 3 and positioned in the valve body 1 through a nut 4; both sides of the butterfly plate 5 are vertically provided with filter plates 6;

the bottom of the valve body 1 and the two sides of the butterfly plate 5 are both provided with a settling tank 7; and a slag discharge pipe 8 is arranged on one side of each of the two settling tanks 7.

As shown in fig. 3, a driving box 9 is fixed at one end of the connecting sleeve 2; one side of the driving box 9 is provided with a sleeve 10; the inner surface of the sleeve 10 is rotatably connected with a worm 11; a rotary handle 12 is fixed at one end of the worm 11.

As shown in fig. 3, one end of the valve rod 3 is rotatably connected with the connecting sleeve 2 through a ball bearing 13; a worm wheel 14 is fixed at one end of the valve rod 3; the worm wheel 14 is in meshed transmission with the worm 11.

As shown in fig. 1, a sealing ring 15 is arranged on the inner surface of the valve body 1 and between the valve body 1 and the butterfly plate 5; two ends of the valve body 1 are provided with flange plates 16; the valve body 1 is communicated with a conveying pipeline through a flange 16.

As shown in figure 2, the peripheral side surfaces of the slag discharging pipes 8 are respectively connected with sealing covers 17 in a threaded manner, and the two sealing covers 17 respectively seal the two sedimentation tanks 7.

As shown in fig. 1, the circumferential surface of the valve body 1 is coated with a corrosion-resistant layer, which is a polyurethane layer.

One specific application of this embodiment is: rotate rotatory handle 12, rotatory handle 12 passes through worm 11 and worm wheel 14 meshing transmission, worm wheel 14 drives valve rod 3 and makes butterfly 5 and valve body 1 intercommunication or closed, when butterfly 5 and valve body 1 intercommunication, filter 6 filters the silt impurity through in the valve body 1, when butterfly 5 and valve body 1 were closed, the liquid stream of butterfly 5 both sides was in quiescent condition, filter 6 in the impurity precipitation of surface filtration falls to precipitation tank 7, impurity discharges through row sediment pipe 8.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a corrosion-resistant jam pipeline butterfly valve, includes valve body (1), its characterized in that:

a connecting sleeve (2) is fixed at the top of the valve body (1); a valve rod (3) is rotatably connected inside the connecting sleeve (2); a butterfly plate (5) is fixed at one end of the valve rod (3) and positioned in the valve body (1) through a nut (4); both sides of the butterfly plate (5) are vertically provided with filter plates (6);

settling tanks (7) are arranged at the bottom of the valve body (1) and positioned at two sides of the butterfly plate (5); and one side of each of the two settling tanks (7) is provided with a slag discharge pipe (8).

2. A corrosion and clogging resistant pipe butterfly valve according to claim 1, characterized in that a drive box (9) is fixed to one end of said connection sleeve (2); a sleeve (10) is arranged on one side of the driving box (9); the inner surface of the sleeve (10) is rotatably connected with a worm (11); one end of the worm (11) is fixed with a rotating handle (12).

3. A corrosion-resistant anti-clogging pipeline butterfly valve according to claim 1, characterized in that one end of the valve rod (3) is rotatably connected with the connecting sleeve (2) through a ball bearing (13); a worm wheel (14) is fixed at one end of the valve rod (3); the worm wheel (14) is in meshed transmission with the worm (11).

4. A corrosion-resistant and anti-clogging pipeline butterfly valve according to claim 1, characterized in that a sealing ring (15) is arranged on the inner surface of the valve body (1) and between the valve body (1) and the butterfly plate (5); and flange plates (16) are arranged at two ends of the valve body (1).

5. The corrosion-resistant and anti-clogging pipeline butterfly valve according to claim 1, characterized in that sealing caps (17) are screwed on the peripheral sides of the two slag discharge pipes (8).

6. A corrosion resistant and anti-clogging pipe butterfly valve according to claim 1, characterized in that the valve body (1) is coated on its peripheral surface with a corrosion resistant layer.