Window sash frame, out-opening window sash and out-opening window

• Main Authors: LIU XUEBO, YAO BAOQUAN, YAN DONG, HAN JIQIANG, YAN PENG, WANG TONG, YANG GUOZHONG, HE ZHENCHENG, XIE JIAWEI, XU XUANTONG
• Format: Patent
• Language: Chinese; English
• Published: 02.11.2021
• Subjects: 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; LADDERS

The utility model discloses a fan frame, a first chamber is arranged in the fan frame, and a steel lining is arranged in the first chamber; the lower side of the fan frame is used for installing hardware through screws. The upper side wall of the first cavity is provided with a protruding edge protruding downwards, the steel lining abuts against the protruding edge, and therefore a gap is formed between the steel lining and the upper side wall of the first cavity. The utility model further provides an out-opening window sash which comprises glass and the sash frame, an installation groove is formed in the sash frame, and the glass is inserted into the installation groove. The utility model further provides an out-opening window which comprises a window frame and the out-opening window sash. By the adoption of the technical scheme, according to the sash frame, the out-opening window sash and the out-opening window, the steel lining and the upper side wall of the first cavity are spaced through the protruding e