Back rib door plate of cold and hot bridge structure

• Main Authors: MA LIWEI, MA XIANLONG, ZHU LIYE, LIANG XINLI
• Format: Patent
• Language: Chinese; English
• Published: 14.01.2022
• 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 utility model discloses a back rib door plate of a cold and hot bridge structure in the field of cold and hot bridge structures, which comprises a color steel plate I, a color steel plate II and a side hinge, the color steel plate I and the color steel plate II are spliced together, a sealing strip is arranged at the joint of the color steel plate I and the color steel plate II, bolt holes are formed in the same sides of the color steel plate I and the color steel plate II, and the side hinge is connected with the side hinge. Bolt holes are formed in the first color steel plate and the second color steel plate, fastening bolts are arranged in the bolt holes, threaded holes are formed in the side hinges, the middle hinge parts of the side hinges are fixedly connected with the first color steel plate and the second color steel plate through the fastening bolts, and a plurality of reinforcing ribs are arranged on the first color steel plate and the second color steel plate. The back rib door plate is formed