CN211398605U

CN211398605U - Butterfly valve with blowdown function

Info

Publication number: CN211398605U
Application number: CN201922264922.4U
Authority: CN
Inventors: 窦佳乐
Original assignee: Tianjin Binhai Qiangsheng Valve Co ltd
Current assignee: Tianjin Binhai Qiangsheng Valve Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-01
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a butterfly valve with blowdown function, including the valve member, the valve member includes upper housing and the lower casing of can dismantling the connection with upper housing, the upper end of upper housing is installed first bearing, the inner circle of first bearing is connected with the valve rod of vertical setting, the top of upper housing is provided with the valve handle, the valve handle is connected with the upper end of valve rod, left valve leaf and right valve leaf are installed to the both sides end of valve rod, the internally mounted of upper housing has the upper grade strip, the upper grade strip is installed in the place ahead of right valve leaf, the lower extreme of upper housing both sides is installed the fixture block; the lower end of the lower shell is provided with a second bearing, the lower end of the valve rod is connected with the second bearing in a tight fit manner, a lower stop strip is arranged inside the lower shell and is arranged behind the left valve leaf, and a clamping groove matched with the clamping block is formed in the upper end of the lower shell; the beneficial effects are that: the valve handle is rotated to drive the valve rod to rotate for pollution discharge, the upper shell and the lower shell are detachably connected with the clamping groove through the clamping block, and the interior of the valve component can be cleaned at any time.

Description

Butterfly valve with blowdown function

Technical Field

The utility model belongs to the technical field of the valve and specifically relates to a butterfly valve with blowdown function is related to.

Background

The valve is the pipeline annex that is used for the switching pipeline, control flow direction, adjust and control the parameter (temperature, pressure and flow) of transport medium, the valve applies to multiple field, the valve that generally has the blowdown function uses the mode of the dead sewage pipes of screw lock to carry out the blowdown, unscrew the screw when needs blowdown in order to reach the effect of the interior row of sewer of pipeline, it is very inconvenient to use, and after the valve live time that has the blowdown function is longer, the solid filth of sewage can pile up inside the valve, inconvenient in time washs, lead to the inside jam of valve, influence the effect of blowdown.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A butterfly valve with a blowdown function comprises a valve component, wherein connectors are arranged at the front end and the rear end of the valve component and communicated with the inside of the valve component; the valve component comprises an upper shell and a lower shell detachably connected with the upper shell, a first bearing is fixedly mounted at the upper end of the upper shell, a vertically arranged valve rod is fixedly connected to the inner ring of the first bearing, a valve handle is arranged above the upper shell and fixedly connected with the upper end of the valve rod, a left valve leaf and a right valve leaf which are matched with the inner part of the valve component in size are fixedly mounted at two sides of the valve rod, an arc-shaped upper stop strip is fixedly mounted in the upper shell along the inner wall, the upper stop strip is mounted in front of the right valve leaf, and clamping blocks which protrude downwards are fixedly mounted at the lower ends of two sides of the upper shell;

the lower extreme fixed mounting of casing has the second bearing down, the lower extreme and the second bearing tight fit of valve rod link to each other, the inside of casing has curved lower shelves strip along inner wall fixed mounting down, and lower shelves strip is installed in the rear of left valve leaf, the upper end shaping of casing both sides has the draw-in groove with fixture block looks adaptation down, the lower extreme fixed mounting of casing has the clamp plate that is used for fixed valve rod lower extreme down.

Preferably, the fixture block includes bellied lug downwards, and lug fixed mounting is in the lower extreme of last casing, the elastic curved stuck point that is of front end fixed mounting of lug, one side shaping of draw-in groove have with the concave point of stuck point looks adaptation, in the stuck point embedding concave point, go up the casing and pass through the cooperation of stuck point and concave point and can dismantle with casing down and be connected.

Preferably, a valve rod groove is formed in the upper end of the pressing plate, the lower end of the valve rod is embedded into the valve rod groove, the valve rod is fixedly connected with the pressing plate through the valve rod groove, a bolt is connected to the pressing plate through threads, the bolt penetrates through the pressing plate and is connected with the threads inside the lower shell, and the pressing plate is fixedly connected with the lower end of the lower shell through the bolt.

Preferably, the lower end of the clamping block, the inner part of the clamping groove and the pressing plate are adhered with sealing blocks.

Preferably, the lower end of the valve stem is provided with a roughened surface for close-fitting connection with a second bearing.

Preferably, the outer walls of the upper shell and the lower shell are fixedly provided with anti-slip strips.

Compared with the prior art, the beneficial effects of the utility model are that: by adopting the mode of fixedly connecting the valve handle and the valve rod, when sewage is required to be discharged, the left valve leaf and the right valve leaf on the valve rod can be driven to rotate by rotating the valve handle to discharge the sewage, so that the sewage discharging device is convenient and quick; simultaneously, the valve member divide into casing and lower casing, and go up casing and casing accessible fixture block down and realize dismantling the connection with the draw-in groove, can separate the casing at any time and come to carry out timely clearance to the inside of valve member with lower casing, guarantees the blowdown effect.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

In the figure: 1. the valve component, 2, a connector, 3, an upper shell, 4, a first bearing, 5, a valve rod, 6, a valve handle, 7, a left valve leaf, 8, a right valve leaf, 9, an upper stop strip, 10, a clamping block, 11, a lower shell, 12, a second bearing, 13, a rough surface, 14, a lower stop strip, 15, a clamping groove, 16, a convex block, 17, a clamping point, 18, a concave point, 19, a pressing plate, 20, a valve rod groove, 21, a bolt, 22, a sealing block, 23 and an anti-slip strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, a butterfly valve with a blowdown function includes a valve component 1, wherein connectors 2 are disposed at both the front end and the rear end of the valve component 1, and the connectors 2 are communicated with the interior of the valve component 1; the valve component 1 comprises an upper shell 3 and a lower shell 11 detachably connected with the upper shell 3, a first bearing 4 is fixedly mounted at the upper end of the upper shell 3, a vertically arranged valve rod 5 is fixedly connected to the inner ring of the first bearing 4, a valve handle 6 is arranged above the upper shell 3, the valve handle 6 is fixedly connected with the upper end of the valve rod 5, a left valve leaf 7 and a right valve leaf 8 which are matched with the inner size of the valve component 1 are fixedly mounted at two sides of the valve rod 5, an arc-shaped upper baffle bar 9 is fixedly mounted in the upper shell 3 along the inner wall, the upper baffle bar 9 is mounted in front of the right valve leaf 8, and a clamping block 10 which protrudes downwards is fixedly mounted at the lower end of two sides of the upper shell 3;

a second bearing 12 is fixedly installed at the lower end of the lower shell 11, the lower end of the valve rod 5 is tightly matched and connected with the second bearing 12, a rough surface 13 used for being tightly matched and connected with the second bearing 12 is arranged at the lower end of the valve rod 5, an arc-shaped lower stop strip 14 is fixedly installed inside the lower shell 11 along the inner wall, the lower stop strip 14 is installed behind the left valve leaf 7, clamping grooves 15 matched with the clamping blocks 10 are formed at the upper ends of two sides of the lower shell 11, each clamping block 10 comprises a convex block 16 protruding downwards, the convex block 16 is fixedly installed at the lower end of the upper shell 3, elastic arc-shaped clamping points 17 are fixedly installed at the front ends of the convex blocks 16, concave points 18 matched with the clamping points 17 are formed at one side of each clamping groove 15, the clamping points 17 are embedded into the concave points 18, the upper shell 3 is detachably connected with the lower shell 11 through the matching of the clamping points 17 and the concave points 18, and a pressing plate 19 used for fixing the lower end of the, a valve rod groove 20 is formed at the upper end of the pressure plate 19, the lower end of the valve rod 5 is embedded into the valve rod groove 20, the valve rod 5 is fixedly connected with the pressure plate 19 through the valve rod groove 20, a bolt 21 is connected to the pressure plate 19 through a thread, the bolt 21 penetrates through the pressure plate 19 to be connected with the inner thread of the lower shell 11, and the pressure plate 19 is fixedly connected with the lower end of the lower shell 11 through the bolt 21;

the sealing blocks 22 are adhered to the lower ends of the clamping blocks 10, the inside of the clamping groove 15 and the pressing plate 19, so that water in the valve component 1 is prevented from overflowing outwards; the outer walls of the upper shell 3 and the lower shell 11 are both fixedly provided with anti-slip strips 23, so that the upper shell 3 and the lower shell 11 can be conveniently detached and separated;

the utility model discloses a theory of operation is: the method comprises the following steps that a connector 2 at one end of a valve component 1 is connected to a sewage discharge pipeline, a connector 2 at the other end of the valve component is connected to a guide pipe, when sewage is required to be discharged, a valve handle 6 is screwed, the valve handle 6 drives a valve rod 5 to rotate, and then a left valve leaf 7 and a right valve leaf 8 on the valve rod 5 rotate clockwise, so that the sewage discharge pipeline is communicated with the guide pipe, and the sewage discharge function is realized, wherein an arc-shaped upper stop bar 9 and an arc-shaped lower stop bar 14 avoid the problem that sewage pushes the left valve leaf 7 and the right valve leaf 8 to overflow when the valve component 1 is closed; when the interior of the valve component 1 needs to be cleaned, the upper shell 3 and the lower shell 11 are separated through the clamping block 10 and the clamping groove 15, so that solid dirt in the valve component 1 can be cleaned in time, and the sewage discharge effect is ensured; when installing casing 3 and lower casing 11, aim at fixture block 17 and draw-in groove 18, with in the tie point 17 embedding concave point 18, the sealed piece 22 in fixture block 10 and the draw-in groove 15 is tight fit each other this moment and is linked to each other, avoids oozing of water, simplifies the operation of blowdown, and the blowdown is effectual, labour saving and time saving.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A butterfly valve with a blowdown function is characterized by comprising a valve component, wherein connectors are arranged at the front end and the rear end of the valve component and communicated with the inside of the valve component; the valve component comprises an upper shell and a lower shell detachably connected with the upper shell, a first bearing is fixedly mounted at the upper end of the upper shell, a vertically arranged valve rod is fixedly connected to the inner ring of the first bearing, a valve handle is arranged above the upper shell and fixedly connected with the upper end of the valve rod, a left valve leaf and a right valve leaf which are matched with the inner part of the valve component in size are fixedly mounted at two sides of the valve rod, an arc-shaped upper stop strip is fixedly mounted in the upper shell along the inner wall, the upper stop strip is mounted in front of the right valve leaf, and clamping blocks which protrude downwards are fixedly mounted at the lower ends of two sides of the upper shell;

2. The butterfly valve with the function of discharging the sewage of claim 1, wherein the fixture block comprises a protrusion protruding downwards, the protrusion is fixedly installed at the lower end of the upper housing, an elastic arc-shaped clamping point is fixedly installed at the front end of the protrusion, a concave point matched with the clamping point is formed at one side of the clamping groove, the clamping point is embedded into the concave point, and the upper housing is detachably connected with the lower housing through the matching of the clamping point and the concave point.

3. The butterfly valve with the sewage draining function according to claim 1, wherein a valve rod groove is formed at an upper end of the pressure plate, a lower end of the valve rod is embedded into the valve rod groove, the valve rod is fixedly connected with the pressure plate through the valve rod groove, a bolt is connected to the pressure plate through a thread, the bolt penetrates through the pressure plate to be connected with a thread inside the lower casing, and the pressure plate is fixedly connected with the lower end of the lower casing through the bolt.

4. The butterfly valve with a blowdown function of claim 1, wherein a sealing block is adhered to the lower end of the clamping block, the inside of the clamping groove and the pressure plate.

5. The butterfly valve with a blowdown function of claim 1, wherein the lower end of the valve stem is provided with a rough surface for interference fit connection with the second bearing.

6. The butterfly valve with the blowdown function of claim 1, wherein the outer walls of the upper and lower housings are fixedly provided with anti-slip strips.