A CHECK VALVE

• Main Author: SHIN, BEOM JIN
• Format: Patent
• Language: English; Korean
• Published: 04.11.2013
• 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; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The present invention relates to a check valve which installed on a pipe to be opened or closed in order to prevent the backflow of fluids and to facilitate the installation of the check valve including a sleeve attached and fixed to the inside of the pipe; and a semi-cylindrical disk hinged to the sleeve to be opened or closed. The check valve according to one embodiment of the present invention comprises the sleeve to be attached and fixed to the inside of the pipe with both open ends as an inlet and an outlet; a support plate connected to the sleeve to be folded by being fixed to a hinge of which one side is buried in the sleeve; and the disk which is curved, is fixed to the support plate, is opened by the pressure of a fluid inside the pipe, and is closed by the pressure of the fluid inside the pipe or its own weight to close the outlet of the sleeve.