Casement window frame structure

• Main Authors: CHU SHAOQIANG, CHEN XIANGYONG, WANG SONGQIU
• Format: Patent
• Language: Chinese; English
• Published: 01.03.2024
• Subjects: BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS; CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES; KEYS; LADDERS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

The utility model discloses a casement window frame structure, which belongs to the field of casement windows and comprises a window frame main body, and the casement window main body is arranged in the window frame main body and rotatably connected with the window frame main body. A return mechanism for returning the casement window main body is arranged in the window frame main body; a limiting mechanism used for limiting rotation of the casement window body is arranged at the bottom end in the window frame body, a vertical rotating shaft is fixed in the casement window body, the top and the bottom of the vertical rotating shaft are rotationally connected with the window frame body through bearings, the return mechanism comprises an inclined rotating column, and the outer side of the vertical rotating shaft is fixedly connected with the inclined rotating column. The window opening angle can be limited, the window opening angle can be kept for a long time, when the window is closed, the rebound capacity is a