Valve opening and closing structure and valve
A technology of opening and closing structures and valves, which is applied in the direction of valve shell structure, valve details, valve devices, etc., can solve the problems of asymmetric force on the pressure surface, increased fluid turbulence, valve damage, etc., to reduce cavitation and vibration , reduce the increase in fluid turbulence, reduce the effect of the possibility
Active Publication Date: 2022-06-17
ZHEJIANG SCI-TECH UNIV
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Problems solved by technology
[0008] The purpose of the embodiments of the present application is to provide a method, device, and electronic equipment to solve the problem in the related art that the opening and closing parts of the valve are located inside the fluid flow area, resulting in increased fluid turbulence and asymmetry of the pressure surface The problem that the uneven force causes the valve to break from a certain force concentration point
Method used
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[0034] Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with this application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as recited in the appended claims.
[0035] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will also be understood that the term "and / or" as...
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The invention discloses a valve opening and closing structure, comprising: a rotating chuck, a plurality of valve discs and a limit chuck, each valve disc has sliding parts and guide parts on both sides, and the rotating chuck is provided with The sliders are one-to-one corresponding to the chute, the slider can slide along the chute, the limit chuck has a track corresponding to the guide one by one, and the guide can slide along the guide The track slides and rotates, and the multiple valve discs form a circle, and the configuration is: the rotation of the rotating chuck drives the multiple valve discs to move along their respective chute and track. Also disclosed is a valve, which includes a casing and the above-mentioned valve opening and closing structure, the rotating chuck is rotatably supported in the casing, and the limit chuck is fixed on the casing. When the opening and closing parts are not inside the fluid flow area, the increase of fluid turbulence is effectively reduced, the possibility of cavitation is significantly reduced, and problems such as cavitation and vibration caused by cavitation are also reduced.
Description
technical field [0001] The present application relates to the field of valves, in particular to a valve opening and closing structure and a valve. Background technique [0002] The valve is a control component in the pipeline fluid conveying system. It is used to change the passage section and the flow direction of the medium. It has the functions of diversion, cut-off, throttling, check, shunt or overflow and pressure relief. Different types of valves play different roles in the process of pipeline fluid transportation. [0003] In order to adjust the fluid flow in the pipeline system, a ball valve or a butterfly valve is often used to achieve this function. [0004] In the ball valve, the opening and closing parts are driven by the valve stem and rotate around the axis of the ball valve. It can also be used for fluid regulation and control. Among them, the hard-sealed V-shaped ball valve has a strong shear force between the V-shaped ball core and the metal valve seat of ...
Claims
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IPC IPC(8): F16K3/03F16K3/314F16K27/04F16K31/53
CPCF16K3/03F16K3/314F16K27/044F16K31/535
Inventor 张光王维伟林哲刘琦
Owner ZHEJIANG SCI-TECH UNIV