STRUCTURE OF A SMOKE REMOVING DUCT, ENABLING THE SMOKE REMOVING DUCT TO BE EASILY INSTALLED IN THE INSTALLATION SPACE OF A FIXED FRAME

摘要

PURPOSE: A structure of a smoke removing duct is provided to firmly fix an upper body to a lower body by the frictional force produced between a bent part and an O-ring.;CONSTITUTION: A structure of a smoke removing duct comprises a fixed frame(10), a moving body(30), an upper body(50), a lower body(70), and a connection body(90). The fixed frame is fixed to the inside of the slab of a building structure and comprises a supporting plate and a fixed plate. The supporting plate is horizontally extended in the direction of an installation space. The fixed plate makes contact with the upper surface and the lower surface of the slab. The moving body is held in the installation space of the fixed frame to be able to move in every direction. The upper body is held in the upper end of the moving body to be able to move up and down. The lower body is held in the lower end of the moving body to be able to move up and down. The connection body is connected to the upper body and the lower body.;COPYRIGHT KIPO 2010