Civil air defense door hinge

• Main Authors: ZHANG ENHAI, JIANG JIANFENG, JIANG JIANLEI, GAO JINYAN
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2024
• 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 civil air defense door hinge which comprises a second mounting mechanism clamped on one side of a first mounting mechanism, and a connecting shaft mounted between the first mounting mechanism and the second mounting mechanism, the first mounting mechanism comprises a first mounting plate, a first mounting screw hole is formed in the surface of the first mounting plate in a penetrating mode, a T-shaped adjusting groove is formed in one side of the interior of the first mounting plate, a limiting adjusting groove is formed in the first mounting plate, and an adjusting bolt extending into the limiting adjusting groove is clamped into the T-shaped adjusting groove. And a connecting block is clamped in the limiting adjusting groove. The other end of the adjusting bolt is spirally mounted in an adjusting thread groove formed in one end of a connecting block for adjustment, so that the connecting block can be adjusted in a limiting adjusting groove, the distance between the first mounti