Adjustable door hinge with improved adjustment mechanism

Abstract

An adjustable door hinge, comprising a pair of base parts, a set of hinge members (2) allowing the pair of base parts to open and close, the base parts being provided with a pair of positioning members (4, 112), one of the bases (11, 12) being provided with a displacement adjustment means capable of adjusting the left / right and inner / outer displacement of the positioning members (4, 112); the displacement adjustment means comprises a gear rack (84), gear (83), and U-shaped member (6) on the positioning members (4, 112); the tail end of the U-shaped member (6) is provided with an adjustment screw hole (65), in which is provided a threaded post (5); the top end of the threaded post (5) is provided with a center hole (55) allowing an operating tool to drive it in rotation, and the threaded post (5) is rotatably positioned on the base; the top arm body of the U-shaped opening (63) of the U-shaped member (6) is provided with a through-hole (64); the displacement adjustment means further comprises a support arm (41) arranged on the positioning members; the support arm (41) is provided with a tight-set screw hole (42) corresponding to the through-hole (64); the support arm (41) is inserted into the U-shaped opening (63); a set screw passes through the through-hole (64) and is rotatably connected to the interior of the set screw hole (42); the present hinge may be applied to adjustable, concealable door hinge products.

Description

technical field [0001] The invention relates to a heavy-duty door hinge that can be embedded in a door leaf or a door frame, in particular to an adjustable door hinge with an improved adjustment structure, and the door hinge can form multi-angle opening and closing. Background technique [0002] The applicant submitted a Chinese patent with the application number ZL201320629066.8 on October 12, 2013. The application document discloses a three-dimensional adjustable door hinge, which includes a pair of left receiving seats that can be embedded in the door leaf or door frame, The right receiving seat, and a group of bow-shaped arm assemblies capable of forming variable angles, a pair of fixed parts capable of adjusting displacement are respectively arranged in the left receiving seat and the right receiving seat, and the two ends of the bow-shaped arm assembly are respectively connected to the On a pair of said fixing parts in the left housing seat and the right housing seat; ...

AI Technical Summary

Problems solved by technology

However, the adjustments in these two directions are all concentrated on the same arm 42c or arm 42d. Such a consequence is that the entire arm 42c or arm 42d needs to move left and right when adjusting in the Y direction, which in turn will affect the X direction. determined position in direction

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