Auxiliary lock device

Abstract

The invention belongs to the field of household door and window manufacturing, and particularly relates to an auxiliary lock device. The auxiliary lock device comprises a lock shell, an upper hook, a lower hook, an upper hanging clutch assembly, a driving assembly and a safety clutch assembly; the upper hook is mounted on the lock shell and can move along the lock shell; the lower hook is mounted on the lock shell and can move along the lock shell; the upper hanging clutch assembly comprises a sliding piece I and a clutch piece I, and the clutch piece I is arranged on the upper hook; the driving assembly is arranged on the lock shell and used for driving the sliding piece I to move; and the safety clutch assembly is arranged on the lock shell and used for controlling the upper hook and the lower hook to move. The auxiliary lock device has the beneficial effects that idling protection of the auxiliary lock device can be achieved, the auxiliary lock device is prevented from being damaged by violent door opening, and the service life of the auxiliary lock device is guaranteed.

Description

technical field [0001] The invention belongs to the field of door and window manufacturing, and in particular relates to a secondary lock device. Background technique [0002] The side-by-side doors on the market can choose to open only one door or open two doors at the same time. They are divided into main lock door and auxiliary lock door. The main lock door is equipped with a main lock, and the auxiliary lock door is equipped with an auxiliary lock. 1. The safety assembly, the sky lock and the ground lock that cooperate with the main lock door, and the auxiliary lock is connected with the sky lock and the ground lock by connecting rods (or ropes). When the side-by-side door needs to be closed tightly, first retract the deadbolts of the sky lock and the ground lock, and then align them with the tongue holes on the door frame or the floor, fix the secondary lock door, and then close the main lock door, which can realize the lock on the door. The door is opened or closed in...

AI Technical Summary

Problems solved by technology

When the two doors of the split type are in the closed and locked state, if there is an abnormal way to open the door, such as the main lock door is not opened, when the handle installed on the auxiliary lock door is forcibly twisted, due to the insurance Blocking of the components, the transmission piece in the secondary lock cannot shrink due to the obstruction, so that the swing rod and the transmission piece are forced to bear force. If the force is too large, it will cause damage to the swing rod, transmission piece or safety components, which will shorten the life of the secondary lock. greatly shortened

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