Multifunctional push-and-pull casement window

• Main Authors: GUO TIANHUA, TANG HUALIN
• Format: Patent
• Language: English
• Published: 09.12.2015
• Subjects: BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS; 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 invention discloses a multifunctional push-and-pull casement window which comprises an upper window track and a lower window track, wherein the upper and lower window tracks are provided with window sashes which are pushed and pulled by a moving mechanism and horizontally opened by a rotating mechanism; the window sashes comprise upper and lower horizontal rails and left and right hooks; the upper and lower window tracks are provided with upper and lower self-locking devices for locking the moving positions of the window sashes when the window sashes are horizontally opened; the window tracks are square pipes; the opposite surfaces of the upper and lower window tracks are provided with moving notches along the length direction of the tracks; the self-locking devices comprise racks arranged at the inner bottoms of the window tracks and lock racks moving in the window tracks along with the window sashes; and the lock racks are internally provided with toothed brake blocks, return springs which act on the toothed brake blocks and press the toothed brake blocks on the racks, as well as poke rods for lifting the toothed brake blocks to enable the toothed brake blocks to be separated from the racks; when the window sashes are closed, the poke rods are touched to lift the toothed brake blocks; and when the window sashes are horizontally opened, the poke rods are released, and the return springs press the toothed brake blocks to be meshed with the racks. The multifunctional push-and-pull casement window disclosed by the invention is simple in structure, low in fault rate, convenient to maintain, and wide in market prospect.