Novel fireproof door

• Main Authors: LUO ZHONGQUAN, LUO ZHONGYOU
• Format: Patent
• Language: Chinese; English
• Published: 15.05.2018
• 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 novel fireproof door belongs to and prevents fire door technical field, and aim at provides a novel fireproof door, solves the inconvenient problem of existing equipmentswitch. It includes door plant no. 1, door plant no. 2, door frame, door plant no. 1 is fixed in the door frame, a door plant upper portion is provided with stand no. 1, stand no. 2, two upper portions on the door plant are provided with stand no. 3, stand no. 4, a door plant upper portion still is provided with connecting block no. 1, two upper portions on the door plant still are provided with connecting block no. 2, connecting block no. 1 articulates with connecting block no. 2, be connected with connecting rod no. 1 on the stand no. 2, be connected with connecting rod no. 2 on the stand no. 4, a connecting rod lower part and stand are provided with spring no. 1 between three, two upper portions of connecting rod and stand are provided with spring no. 2 between one, the other end of connecting rod no. 1 is conn