Steel entry door leaf with good door lock prying-resistant performance

Abstract

The invention provides a steel entry door leaf with a good door lock prying-resistant performance. A door leaf panel made of a steel plate is arranged at each of the inner side and the outer side of a door leaf framework, a door lock is arranged beside one side edge near the door leaf, the door lock is provided with an outer lock cover panel and an inner lock cover panel, the outer lock cover panel and the inner lock cover panel are in strip shapes and are provided with handles, a lock body connected by screws is arranged between the outer lock cover panel and the inner lock cover panel, a telescopic lock bolt is arranged on the lock body, operation and control devices used for controlling the lock bolt to extend and contract are arranged on the outer lock cover panel and the inner lock cover panel, the lock body is positioned in a lock box arranged on the door leaf framework, a through hole is formed in the door leaf panel, the shape of the through hole is the positive projection shape of the lock cover panel on a door leaf outer panel, and the lock cover panel is nested in the through hole. The lock cover panel of the door lock is embedded in the through hole formed in the door leaf panel, the shape of the through hole is the positive projection shape of the lock cover panel on the door leaf panel, a gap does not exist between the lock cover panel and the door leaf panel, the potential hidden danger that the door lock can be easily picked is eliminated, the door lock of the steel entry door leaf cannot be easily pried up, and the prying-resistant performance is good.

Description

technical field [0001] The invention relates to a steel entrance door leaf, in particular to a door lock for a steel entrance door leaf. Background technique [0002] The entry door is also called the entry door or the gate, and the entry door is the first door to enter the house. As the first gate to enter the house, the entrance door has high requirements on its safety performance such as anti-theft, anti-prying, and fire prevention. Therefore, most of the entrance doors are steel entrance doors, such as steel anti-theft doors, steel fireproof doors or steel-wood doors. The steel entrance doors are hinged in the matching door frame. [0003] The steel entrance door leaf has a door leaf frame, and the inner and outer sides of the door leaf frame are respectively provided with door panels made of steel plates, and a door lock is installed next to one side of the steel entrance door leaf. [0004] Most of the door locks are handle locks. The handle locks have strip-shaped i...

AI Technical Summary

Problems solved by technology

[0010] The lock cover panel of this steel entrance door lock is attached to the door panel, and there is a gap along the door panel between the lock cover panel and the door panel. This gap is a hidden danger that makes the door lock easy to be pried open. Because of this hidden danger, the door lock of this steel entrance door leaf is easy to be picked open

Images