Shock Absorption Device for Disk of Swing Check And Swing Check Having the Same

The present invention relates to an impact-absorbing device for a disk of a swing check valve and a swing check valve having the same which can easily control an impact-absorbing force in accordance with a flow or a type, a pressure, etc. of a fluid flowing in a pipe, and minimize damage to a disk a...

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Bibliographic Details
Main Authors KIM HOBIN, JO SEULGI, KIM GYUNGHO, KIM SIBEOM, SEO WONGYO
Format Patent
LanguageEnglish
Korean
Published 16.04.2019
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
SHOCK-ABSORBERS
SPRINGS
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:The present invention relates to an impact-absorbing device for a disk of a swing check valve and a swing check valve having the same which can easily control an impact-absorbing force in accordance with a flow or a type, a pressure, etc. of a fluid flowing in a pipe, and minimize damage to a disk and noise by effectively reducing an impact applied to the disk during a closing operation of the disk. According to the present invention, the impact-absorbing device for a disk of a swing check valve including a valve body having an inlet and an outlet formed on both sides thereof and a disk to open and close the inlet while vertically rotating around a rotary shaft installed on the valve body comprises: a cylinder unit installed on an upper end of the valve body; a piston unit in which a lower end thereof is rotatably connected to the disk, and an upper end thereof penetrates a lower surface of the cylinder unit to be slidably installed in an inner space of the cylinder unit; and an electromagnetic force generation means to generate an electromagnetic force between an upper end of the cylinder unit and the piston unit. 본 발명은 배관을 유동하는 유체의 유량이나 종류, 압력 등에 따라 완충력을 용이하게 제어할 수 있으며, 디스크의 폐쇄 작동시 디스크에 가해지는 충격을 효과적으로 경감시켜 디스크의 파손 및 소음 발생을 최소화할 수 있는 스윙 체크밸브의 디스크 완충장치 및 이를 갖는 스윙 체크밸브에 관한 것으로, 본 발명에 따른 스윙 체크밸브의 디스크 완충장치는, 양측에 유입구와 배출구가 형성된 밸브몸체와, 상단부가 상기 밸브몸체에 설치되는 회전축을 중심으로 상하로 회동하면서 유입구를 개폐하는 디스크를 포함하는 스윙 체크밸브의 디스크 완충장치로서, 상기 밸브몸체의 상단부에 설치되는 실린더부; 하단이 상기 디스크에 회전 가능하게 연결되고 상단이 상기 실린더부의 하부면을 관통하여 실린더부의 내측 공간에 슬라이딩 가능하게 설치되는 피스톤부; 상기 피스톤부와 실린더부의 상단부 사이에서 전자기력을 발생시키는 전자기력발생수단;을 포함한다.
Bibliography:Application Number: KR20170160703