Quick-opening structure and rotary sealing valve manhole door

• Main Authors: ZHENG YINCHAO, JIA GUODONG, YAN YABIN, WANG XIAOBING, WANG QINGFANG, SONG WEIWEI
• Format: Patent
• Language: Chinese; English
• Published: 17.11.2023
• Subjects: BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS; CHEMISTRY; DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS; 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; FUELS; KEYS; LADDERS; LOCKS; LUBRICANTS; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; SAFES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; WINDOW OR DOOR FITTINGS

The utility model relates to the related technical field of dry quenching equipment, in particular to a quick-opening structure and a rotary sealing valve manhole door, the quick-opening structure comprises a rotating shaft seat, a rotating shaft, a threaded rod, a threaded pipe, a nut and a clamping seat, the rotating shaft seat is fixed on a rotary sealing valve body, the rotating shaft is rotatably mounted on the rotating shaft seat, the threaded rod is fixedly welded on the rotating shaft, and the threaded pipe is fixed on the clamping seat. The threaded rod and the rotating shaft are arranged in a T shape, the threaded pipe is screwed on the threaded rod, the nut and the threaded rod are integrally formed, the clamping base is fixedly installed on the manhole door, and the manhole door is rotatably installed on the rotary sealing valve body through a hinge structure. By arranging the quick-opening structure composed of the rotating shaft seat, the rotating shaft, the threaded rod, the threaded pipe, the