CN211371315U

CN211371315U - Butt clamp type soft sealing butterfly valve

Info

Publication number: CN211371315U
Application number: CN201922223367.0U
Authority: CN
Inventors: 王钰锋
Original assignee: Ningguo Haidie Valve Manufacturing Co ltd
Current assignee: Ningguo Haidie Valve Manufacturing Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-28
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a butt-clamp type soft sealing butterfly valve in the technical field of butterfly valves, which comprises a valve body, a valve rod is rotatably connected in the valve body in a penetrating way, a valve plate is arranged at the end of the valve rod positioned in the valve body, a lower valve seat is fixedly connected at the lower end of the valve body, a valve neck is fixedly connected at the upper end of the valve body and extends to the inner part of the lower valve seat at the lower end of the valve body, the upper end of the valve rod is fixedly connected to the upper end of the valve neck and is fixedly connected to one end of an upper handle, the lower end of the upper handle is fixedly connected with a fixed rod, the lower end of the fixed rod is hinged to the upper end of a lower handle, an annular block is fixedly connected to the outer side of the valve neck, the upper handle and the lower handle can be held tightly by manpower by utilizing a compression spring between the upper handle and the lower handle to drive a clamping block to, the sealing performance of the valve body is ensured, and any leakage in the valve body is prevented.

Description

Butt clamp type soft sealing butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a wafer formula soft seal butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.

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 butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

The butterfly valve is a valve which uses a disc type opening and closing piece to rotate back and forth by about 90 degrees to open, close or adjust the medium flow. The butterfly valve has the advantages of simple structure, small volume, light weight, less material consumption, small installation size, small driving moment, simple and convenient operation and rapidness, and simultaneously has good flow regulation function and sealing closing characteristic, thereby being one of the fastest valve varieties developed in the last ten years. Butterfly valves are widely used. The variety and number of uses thereof are still continuously expanding and are developing toward high temperature, high pressure, large caliber, high sealing property, long life, excellent regulation property, and one-valve multi-function. The reliability and other performance indexes of the composite material reach higher levels.

However, the existing butterfly valve has poor sealing performance, easily causes the damage of the existing butterfly valve due to overlarge water flow, and brings inconvenience to people.

Based on this, the utility model designs a butt clamp formula soft seal butterfly valve to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wafer formula soft seal butterfly valve to the current butterfly valve leakproofness that provides in solving above-mentioned background art is poor, causes rivers too big easily and leads to it to appear damaging, the problem of inconvenience is brought for people's use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a butt clamp formula soft seal butterfly valve, includes the valve body, run through in the valve body and rotate and be connected with the valve rod, the valve rod is located the inside end of valve body and is equipped with the valve plate, disk seat under valve body lower extreme fixedly connected with, the valve rod lower extreme extends to down inside and the fixedly connected with stopper of disk seat, set up the spacing groove of mutually supporting with the stopper in the disk seat down, valve body upper end fixedly connected with valve neck, the valve rod upper end runs through to extend to valve neck upper end and fixed connection in last handle one end, go up handle lower extreme fixedly connected with dead lever, the dead lever lower extreme articulates in handle upper end down, valve neck outside fixedly connected with annular piece.

Preferably, an annular sealing ring is arranged at the gap end between the inner side of the valve body and the valve plate.

Preferably, the sealing rings are sleeved at two ends of the valve rod inside the valve body, and the O-shaped rings are sleeved at the upper ends of the valve rod inside the limiting groove and the valve body.

Preferably, a plurality of groups of flange connecting holes are formed in the outer side of the valve body.

Preferably, the lower handle is close to the one end upside fixedly connected with fixture block of valve neck, the lower handle other end passes through compression spring swing joint with last handle lower extreme.

Preferably, the lower end of the annular block is provided with a plurality of groups of clamping grooves which are uniformly distributed and are matched with the clamping blocks.

Preferably, the valve rod is located the upper end fixedly connected with pointer of valve neck, valve neck upper end is equipped with the scale.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses utilize the compression spring between last handle and the lower handle, the accessible manpower will be gone up handle and lower handle and is held tightly, drive the fixture block and break away from the draw-in groove, then rotate the upper handle, utilize the rotation that the handle drove valve rod and valve plate, rotatable angle is judged to accessible pointer and scale simultaneously, and is further, through ring packing, sealing ring and O type circle, guarantees the leakproofness of valve body, prevents that the valve body is inside to take place any leakage.

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 the present invention;

FIG. 2 is a schematic view of the upper end of the valve neck in FIG. 1 according to the present invention;

fig. 3 is a schematic view of the internal structure of the lower valve seat in fig. 1 according to the present invention.

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

1-valve body, 2-valve rod, 3-valve plate, 4-lower valve seat, 5-limiting block, 6-limiting groove, 7-valve neck, 8-upper handle, 9-fixing rod, 10-lower handle, 11-annular block, 12-annular sealing ring, 13-sealing ring, 14-O-shaped ring, 15-flange connecting hole, 16-clamping block, 17-compression spring, 18-clamping groove, 19-pointer and 20-scale.

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 present invention provides a technical solution: the utility model provides a butt clamp formula soft seal butterfly valve, includes valve body 1, it is connected with valve rod 2 to run through the rotation in the valve body 1, valve rod 2 is located 1 inside ends of valve body and is equipped with valve plate 3, disk seat 4 under 1 lower extreme fixedly connected with of valve body, 2 lower extremes of valve rod extend to down disk seat 4 inside and fixedly connected with stopper 5, set up the spacing groove 6 with stopper 5 mutually supporting in the disk seat 4 down, 1 upper end fixedly connected with valve neck 7 of valve body, 2 upper ends of valve rod run through and extend to 7 upper ends of valve neck and fixedly connected in 8 one ends of upper handle, 8 lower extreme fixedly connected with dead lever 9 of upper handle, dead lever 9 lower extreme articulates in 10 upper ends of lower handle, 7 outside fixedly connected with ring segments 11 of valve neck.

Wherein, the annular seal ring 12 is arranged at the gap end between the inner side of the valve body 1 and the valve plate 3, so that the interior of the valve body 1 can be sealed, and good sealing performance can be kept. Sealing ring 13 has all been cup jointed at the both ends that valve rod 2 is located 1 inside of valve body, and O type circle 14 has all been cup jointed to the upper end that valve rod 2 is located 6 and valve body 1 of spacing groove, and sealing ring 13 can prevent that the liquid in the valve body 1 from flowing out from the space at valve rod 2 both ends, and O type circle 14 can further strengthen the leakproofness, prevents simultaneously that external impurity from getting into inside valve body 1 through this space. A plurality of groups of flange connecting holes 15 are formed in the outer side of the valve body 1 and are used for connecting various common pressure flanges. A clamping block 16 is fixedly connected on the upper side of one end of the lower handle 10 close to the valve neck 7, and the other end of the lower handle 10 is movably connected with the lower end of the upper handle 8 through a compression spring 17. The lower end of the annular block 11 is provided with clamping grooves 18 matched with a plurality of groups of clamping blocks 16 which are uniformly distributed, and the elastic force provided by the compression spring 17 can clamp the clamping blocks 16 at the front end in the clamping grooves 18 to fix the valve rod 2 and prevent the valve rod from rotating. Valve rod 2 is located the upper end fixedly connected with pointer 19 of valve neck 7, and valve neck 7 upper end is equipped with scale 20, and the numerical value of the directional scale 20 of pointer 19 can be used to show valve rod 2 pivoted angle, and the staff accessible judges inside valve plate 3 pivoted position this.

One specific application of this embodiment is: when using, install valve body 1 at the assigned position through the flange connecting hole, when valve plate 3 in the valve body 1 needs to rotate, the accessible makes handle 8 and lower handle 10 keep away from the one end of valve neck 7 and is close to each other, thereby make the fixture block 16 of lower handle 10 front end keep away from in relative draw-in groove 18, thereby rotate valve rod 2 through last handle 8, drive inside valve plate 3 and rotate, adjust the liquid flow, it is further, the pointwise scale 20 of pointer 19 of accessible valve rod 2 upper end is used for showing inside valve plate 3 pivoted angle, the staff of being convenient for judges, after the rotation is accomplished, can loosen lower handle 10, the elasticity that compression spring 17 provided, can make lower handle 10 rotate, thereby make the fixture block 16 joint of front end in corresponding draw-in groove 18, fix valve rod 2, prevent its rotation.

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 wafer formula soft seal butterfly valve, includes valve body (1), its characterized in that: run through in valve body (1) and rotate and be connected with valve rod (2), valve rod (2) are located valve body (1) inside end and are equipped with valve plate (3), disk seat (4) under valve body (1) lower extreme fixedly connected with, valve rod (2) lower extreme extends to disk seat (4) inside and fixedly connected with stopper (5) down, set up spacing groove (6) of mutually supporting with stopper (5) down in disk seat (4), valve body (1) upper end fixedly connected with valve neck (7), valve rod (2) upper end is run through and is extended to valve neck (7) upper end and fixed connection in upper handle (8) one end, upper handle (8) lower extreme fixedly connected with dead lever (9), dead lever (9) lower extreme articulates in lower handle (10) upper end, valve neck (7) outside fixedly connected with annular piece (11).

2. The wafer type soft seal butterfly valve according to claim 1, wherein: and an annular sealing ring (12) is arranged at the gap end between the inner side of the valve body (1) and the valve plate (3).

3. The wafer type soft seal butterfly valve according to claim 1, wherein: the sealing ring (13) is sleeved at two ends of the valve rod (2) which are positioned in the valve body (1), and the O-shaped ring (14) is sleeved at the upper end of the valve rod (2) which is positioned in the limiting groove (6) and the valve body (1).

4. The wafer type soft seal butterfly valve according to claim 1, wherein: and a plurality of groups of flange connecting holes (15) are formed in the outer side of the valve body (1).

5. The wafer type soft seal butterfly valve according to claim 1, wherein: the lower handle (10) is close to the one end upside fixedly connected with fixture block (16) of valve neck (7), the other end of lower handle (10) passes through compression spring (17) swing joint with upper handle (8) lower extreme.

6. The wafer-type soft seal butterfly valve according to claim 5, wherein: the lower end of the annular block (11) is provided with a plurality of groups of clamping grooves (18) which are uniformly distributed and mutually matched with the clamping blocks (16).

7. The wafer-type soft seal butterfly valve according to claim 5, wherein: valve rod (2) are located upper end fixedly connected with pointer (19) of valve neck (7), valve neck (7) upper end is equipped with scale (20).