CN210372038U

CN210372038U - Bidirectional synchronous closing butterfly valve

Info

Publication number: CN210372038U
Application number: CN201920927319.7U
Authority: CN
Inventors: 杨卫龙
Original assignee: Taizhou Longrui Valve Co ltd
Current assignee: Taizhou Longrui Valve Co ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-04-21
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a two-way synchronous closed butterfly valve relates to butterfly valve technical field. The utility model discloses a valve body, the vertical valve shaft that runs through on the valve body, the cover is equipped with the valve plate on the valve shaft, be provided with on the medial surface of valve body with valve plate matched with ceramic packing ring, be provided with fixed case on the valve body, the valve shaft runs through fixed case and extends to fixed roof portion, the valve shaft is located the fixed surface of fixed incasement portion and has driven gear. The utility model can be opened and closed simultaneously, when one of the two is damaged by impact, the valve can still be used, the safety of using the pipeline is ensured, the sealing performance of the pipeline is improved, and the leakage caused by the damage of the butterfly valve is avoided; the device can be selected to be synchronously started or one of the devices is started before the other one is started according to actual needs, so that the flow rate can be conveniently and accurately controlled.

Description

Bidirectional synchronous closing butterfly valve

Technical Field

The utility model belongs to the technical field of the butterfly valve, especially, relate to a two-way synchronous closed 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 part (a valve clack or a butterfly plate) which is a disc 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. 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 existing butterfly valve has single function, can only control the flow rate and the on-off of liquid, is used for a long time, and is easy to leak because of abrasion of internal parts of the butterfly valve, so that the safety of the single butterfly valve is poor; and when the liquid velocity of flow is great, often produce great impact, the internal fittings of butterfly valve is damaged easily, takes place to leak.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a closed butterfly valve of two-way synchronization, it is relatively poor to have solved current single butterfly valve security, damages easily when receiving the impact, takes place the problem of leaking.

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

the utility model relates to a two-way synchronous closed butterfly valve, which comprises a valve body, the vertical valve shaft that runs through on the valve body, the cover is equipped with the valve plate on the valve shaft, be provided with on the medial surface of valve body with valve plate matched with ceramic packing ring, be provided with fixed case on the valve body, the valve shaft runs through fixed case and extends to fixed roof portion, the surface mounting that the valve shaft is located fixed incasement portion has driven gear.

The utility model discloses a fixed incasement portion, including fixed incasement portion, regulating shaft, driven gear, fixed incasement portion, the fixed roof portion is fixed with the regulating box, it has the regulating shaft to run through on the regulating box, the regulating shaft bottom runs through fixed case and extends to fixed bottom of the case portion, the regulating shaft is located the fixed inside fixed surface of fixed incasement portion and is equipped with the spring with driven gear matched with driving gear, the regulating shaft is located the inside surface cover of regulating.

Furthermore, an adjusting nut is fixed at one end of the valve shaft, which is positioned at the top of the fixed box.

Furthermore, the top end of the adjusting shaft is fixed with an adjusting wheel, and the adjusting shaft is located on the surface inside the fixed box and is located on a position fixed limiting plate between the bottom of the inner wall of the fixed box and the bottom of the driving gear.

Furthermore, the adjusting shaft is positioned on the surface inside the adjusting box, and a baffle matched with the spring is fixed at a position between the bottom of the inner wall of the adjusting box and the bottom of the spring.

Further, a sealing gasket is arranged between the valve body and the valve shaft.

The utility model discloses following beneficial effect has:

the utility model can be opened and closed simultaneously, when one of the two is damaged by impact, the valve can still be used, the safety of using the pipeline is ensured, the sealing performance of the pipeline is improved, and the leakage caused by the damage of the butterfly valve is avoided; the device can be selected to be synchronously started or one of the devices is started before the other one is started according to actual needs, so that the flow rate can be conveniently and accurately controlled.

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 bidirectional synchronous closing butterfly valve of the present invention;

fig. 2 is a schematic sectional view of the present invention.

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

1-valve body, 2-valve shaft, 3-valve plate, 4-ceramic gasket, 5-fixed box, 6-driven gear, 7-adjusting box, 8-adjusting shaft, 9-driving gear, 10-spring, 11-adjusting nut and 12-sealing gasket.

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. 1-2, the present invention relates to a two-way synchronous closed butterfly valve, which comprises a valve body 1, a valve shaft 2 vertically penetrates through the valve body 1, a valve plate 3 is sleeved on the valve shaft 2, a ceramic washer 4 matched with the valve plate 3 is arranged on the inner side surface of the valve body 3, a fixing box 5 is arranged on the valve body 1, the valve shaft 2 penetrates through the fixing box 5 and extends to the top of the fixing box 5, and a driven gear 6 is fixed on the surface of the valve shaft 2 inside the fixing box 5.

Fixed case 5 top is fixed with regulating box 7, runs through on the regulating box 7 to have regulating shaft 8, and the 8 bottom of regulating shaft runs through fixed case 5 and extends to fixed case 5 bottoms, and regulating shaft 8 is located fixed incasement 5 inside fixed surface have with driven gear 6 matched with driving gear 9, and regulating shaft 8 is located the inside surface cover of regulating box 7 and is equipped with spring 10.

Wherein, the one end that valve shaft 2 is located fixed box 5 top is fixed with adjusting nut 11, conveniently adjusts.

Wherein, the regulating wheel is fixed on the top of the regulating shaft 8, and the regulating shaft 8 is positioned on the surface inside the fixed box 5 and is positioned on the position between the bottom of the inner wall of the fixed box 5 and the bottom of the driving gear 9 and is fixed with a limiting plate.

Wherein, the adjusting shaft 8 is positioned on the surface inside the adjusting box 7, and a baffle matched with the spring 10 is fixed at a position between the bottom of the inner wall of the adjusting box 7 and the bottom of the spring 10.

Wherein, the position between the valve body 1 and the valve shaft 2 is provided with a sealing gasket 12, which improves the sealing performance of the butterfly valve.

One specific application of this embodiment is: when the valve is used, the adjusting shaft 8 is rotated to drive the driving gear 9 to rotate, and the driving gear 9 drives the valve shaft 2 to rotate through meshing transmission with the driven gear 6, so that synchronous opening or closing is realized; when one of the valve plates 3 needs to be opened or closed singly, the driving gear 9 and the driven gear 6 are separated only by pulling up the adjusting shaft 8, and the adjusting nut 11 is adjusted by a wrench and other tools to drive the valve shaft 2 to rotate to complete opening or closing.

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 two-way synchronous closed butterfly valve, includes valve body (1), it has valve shaft (2) to go up vertical running through in valve body (1), the cover is equipped with valve plate (3) on valve shaft (2), be provided with on the medial surface of valve body (1) with valve plate (3) matched with ceramic packing ring (4), its characterized in that:

a fixing box (5) is arranged on the valve body (1), the valve shaft (2) penetrates through the fixing box (5) and extends to the top of the fixing box (5), and a driven gear (6) is fixed on the surface, located inside the fixing box (5), of the valve shaft (2);

fixed case (5) top is fixed with regulating box (7), it has regulating spindle (8) to run through on regulating box (7), regulating spindle (8) bottom is run through fixed case (5) and is extended to fixed case (5) bottom, regulating spindle (8) are located fixed case (5) inside fixed surface have with driven gear (6) matched with driving gear (9), regulating spindle (8) are located the inside surface cover of regulating box (7) and are equipped with spring (10).

2. A two-way synchronized closing butterfly valve according to claim 1, characterised in that the end of the valve shaft (2) at the top of the fixed box (5) is fixed with an adjusting nut (11).

3. The butterfly valve with bidirectional synchronous closure according to claim 1, wherein the adjusting wheel is fixed on the top of the adjusting shaft (8), and the adjusting shaft (8) is located on the surface inside the fixed box (5) and a position fixed limit plate is located between the bottom of the inner wall of the fixed box (5) and the bottom of the driving gear (9).

4. A two-way synchronized closing butterfly valve according to claim 1, characterised in that the adjusting shaft (8) is located on the surface inside the adjusting box (7) and a baffle cooperating with the spring (10) is fixed in a position between the bottom of the inner wall of the adjusting box (7) and the bottom of the spring (10).

5. A two-way synchronized closing butterfly valve according to claim 1, characterised in that a sealing gasket (12) is arranged in a position between the valve body (1) and the valve shaft (2).