公开(公告)号：US20240110421A1

公开(公告)日：2024-04-04

申请号：US18264914

申请日：2021-10-22

Applicant: GUANGDONG MINGMEN LOCKS INDUSTRY CO., LTD.

Inventor： Guangrui Ran ,  Qian XIAO ,  Zengrong XIE ,  Hailong TANG

IPC: E05F1/12 ,  E05F3/20

CPC classification number: E05F1/1207 ,  E05F3/20 ,  E05Y2201/638 ,  E05Y2201/686 ,  E05Y2201/702 ,  E05Y2201/704 ,  E05Y2900/132

Abstract: Disclosed is a door hinge, comprising: a fixed body that is provided with a first connecting shaft and a second connecting shaft along the lengthwise direction therein; a linkage assembly of which both ends are respectively hinged to the fixed body and a movable body; the movable body that is provided with a sliding block capable of sliding along the depth direction of the movable body therein, one end of the sliding block being hinged to one end of the linkage assembly, and a straight track surface and an inclined track surface inclined towards the interior of the sliding block being provided at one side of the sliding block; and a self-closing mechanism that is provided on the side of interior of the movable body close to the straight track surface, has a telescopic structure, and has one end abutting against the side surface of the sliding bock.