Patent ID: 9723931
Date: 2017-08-08
CPC Classifications: A47C,Y10T

Claim:
1. A sleeve for installing hinge, installed in a top plate of a sofa body and adapted for installing a hinge, a mounting hole being opened in the top plate, wherein the sleeve for installing hinge comprises a main body capable of inserting into the mounting hole and a stopper fixed to an upper end of the main body and withstood with a top surface of the top plate, the sleeve for installing hinge further includes a slot where the hinge is inserted therein, the slot passes through the stopper and extends down into the main body, a hook is configured at a side wall of the main body, the hook is deformed under pressure so as to allow the main body and the hook to pass through the mounting hole, the hook has a stop surface facing up, after the main body and the hook pass through the mounting hole, the stop surface faces a bottom surface of the top plate; wherein a recessed positioning groove is opened in the side wall of the main body, a first through hole is opened in a bottom surface of one end of the positioning groove, the first through hole passes through the side wall of the main body and communicates with the slot, one end of the hinge inserted into the slot has an engaging groove, a clamp spring is configured in the positioning groove, and a portion of the clamp spring extends into the slot through the first through hole and engages in the engaging groove.