Foldable window

• Main Authors: SUN ANYUAN, SHI WEIMING, ZHAO MUFANG
• Format: Patent
• Language: Chinese; English
• Published: 03.01.2023
• 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; HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS; KEYS; LADDERS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

The foldable window comprises an upper window sash, a lower window sash, sliding rails and an opening and closing assembly, the top of the upper window sash is hinged to a window opening, the lower window sash is hinged to the bottom of the upper window sash, the sliding rails are arranged on the two sides of the upper window sash and the two sides of the lower window sash, and the lower window sash is arranged in the sliding rails in a sliding mode. The opening and closing assembly comprises connecting pieces, an upper connecting rod, a lower connecting rod and a spring, the connecting pieces are arranged on the two sides of the upper end of the upper window sash, the upper connecting rod is hinged to the connecting pieces, the lower connecting rod is hinged to the window, and the spring is connected to the upper connecting rod and the lower connecting rod; the utility model belongs to the field of folding windows, and particularly relates to a folding window which can increase the opening area through a fol