Auxiliary locking device

Abstract

The invention belongs to the field of household doors and windows manufacturing, and provides an auxiliary locking device. The auxiliary locking device comprises a shell, a telescopic assembly and aninsurance elastic assembly; the telescopic assembly and the insurance elastic assembly are installed on the shell; the telescopic assembly comprises an auxiliary locking rotor piece, a transmission piece I and a transmission piece II; and the insurance elastic assembly comprises a bracket I, a bracket II, an insurance rod, an insurance block, a spring I, a spring II and a lock tongue. The auxiliary locking device has the beneficial effects that a common plug pin on the market is replaced, using is convenient and quick, and simplicity and practicality are achieved; the speed of escape is accelerated, door opening does not damage the auxiliary locking device when in opening or closing state, no matter in the open or semi-open state, the auxiliary locking device can be returned, manual opening and manual closing can be achieved, convenience is achieved, and the door can be opened in one second and closed for one second. The auxiliary locking device solves the problems that an existing device is prone to rust death, stuck up, blocking, deforming, breaking and is difficult to use, the replacement is convenient, and the maintenance cost is reduced.

Description

technical field [0001] The invention belongs to the field of household door and window manufacturing, and in particular relates to a secondary lock device for double-leaf doors. Background technique [0002] At present, the common split double-leaf door on the market consists of a door frame, two doors, a main lock, a sky lock, a floor lock, and a tongue hole installed on the door frame; the structure of the two doors is that one door is provided with the main lock The lock, hereinafter referred to as the main lock door, and the other door is provided with the main lock hole, the sky lock installation hole and the ground lock installation hole corresponding to the main lock, hereinafter referred to as the auxiliary lock door; the sky lock and the ground lock are respectively installed on the auxiliary lock door. In the installation holes of the sky and ground locks, the sky locks and ground locks are of the bolt type, and it is necessary to manually control the bolts of the ...

AI Technical Summary

Problems solved by technology

In this patent, the secondary lock device is equipped with multiple components such as the swing rod elastic component and the door leaf elastic component, and the safety component is arranged outside the secondary lock device, making the overall structure more complicated and not easy to install. , The component cost is relatively high. In the actual use process, insurance components and door leaf elastic components are prone to jamming, deformation, and damage.

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