Anti-cat-eye handle structure with quick reversing function and door lock

Abstract

The invention provides an anti-cat-eye handle structure with a quick reversing function. The anti-cat-eye handle structure comprises a lock seat, a handle, a free piece, a reset piece and a clutch mechanism, wherein the handle is rotationally arranged on the lock seat and can be rotationally switched between a first initial position and a second initial position rotating by a half circle, and a circular-arc-shaped reversing groove is formed in the handle; the free piece is rotatably arranged on the lock seat, a square hole and a reversing block are arranged on the free piece, and the reversing block is arranged in the reversing groove in a sliding mode; the reset piece is movably arranged on the lock seat, the handle and the free piece are each provided with a reset disc, and the reset piece is driven by an elastic device and can be pressed on the side walls of the reset discs; and the clutch mechanism is used for being manually operated to control the separation and reunion of the handle and the free piece. According to the anti-cat-eye handle structure, the anti-theft performance of a door lock can be effectively improved, a user can conveniently carry out back locking operation, and the structure is more reliable. The invention further provides the door lock, the door lock comprises a main lock body, and the main lock body comprises the handle structure, so that the door lock has the same advantages.

Description

technical field [0001] The invention relates to the technical field of door locks, in particular to a handle structure of a door lock. Background technique [0002] Door locks are widely used in various living and production places, and their anti-theft performance is directly related to the property safety of users. Cat's eye unlocking refers to the method of unlocking by destroying the cat's eye of the door, inserting a rope, hook, etc. from the installation hole of the cat's eye to hook and turn the handle on the inside of the door. If it is locked indoors, the handle on the inside of the door is usually equipped with a structure that can directly unlock the door lock by turning, so the tool can be inserted directly through the peephole mounting hole and the handle can bypass the anti-theft structure arranged on the outside of the door and directly Open the door. The current door locks usually focus most of their attention on the anti-theft performance of the lock cylin...

AI Technical Summary

Problems solved by technology

The current door locks usually focus most of their attention on the anti-theft performance of the lock cylinder, and do not pay enough attention to the way of unlocking the cat's eye, so that most of the existing door locks cannot achieve the ideal anti-theft effect in practical applications.

In addition, the orientation of the handle of the existing door lock products is usually fixed, but the opening and closing directions of the doors in many places are not the same, so it is often necessary to prepare door locks with different handle orientations to deal with different doors The installation requirements have brought great inconvenience to the production, sales, installation and use of door locks.

Images