A multi-point lock corner device for doors and windows

Abstract

A multi-point lock corner device for doors and windows, which includes an L-shaped seat body fixed on one corner of the door and window sash, an L-shaped through groove is arranged in the L-shaped seat body, and a second A connecting piece and a second connecting piece, a spring piece connected between the first connecting piece and the second connecting piece is slid in the L-shaped through groove, a locking point is protruded on one end of the second connecting piece, and a locking point is provided on the other end. There are two positioning grooves in the concave; it also includes a positioning piece and a toggle block. The head of the positioning piece is installed on the L-shaped seat in rotation and a reset piece is arranged between the L-shaped seat. The tail of the positioning piece A positioning block that can be placed in one of the positioning grooves is protruded on the inner side of the door, and the toggle block is fixed on the door and window frame and can push the positioning piece so that the positioning block moves out of the positioning groove. With the above structure, when the door and window are in the unlocked state, the first connecting piece, the spring leaf and the second connecting piece cannot move freely relative to the L-shaped seat body, and can only move when the door and window leaves are in contact with the door and window frame, which makes the operation more convenient .

Description

technical field [0001] The invention relates to a multi-point lock corner device for doors and windows. Background technique [0002] The existing multi-point lock corner device for doors and windows mainly includes an L-shaped seat body fixed on a corner of the door and window sash, and an L-shaped through groove is arranged in the L-shaped seat body along the extending direction of the L-shaped seat body. The two ends of the L-shaped through groove are respectively provided with a first chute and a second chute, the first chute is slidably provided with a first connector, and the second chute is slidably provided with a second connector, A spring piece is slidingly provided in the L-shaped through groove, and the two ends of the spring piece are respectively connected with the first connecting piece and the second connecting piece, and the outer side of the second connecting piece away from the end of the spring piece is Lock points are arranged on the upper projection, a...

AI Technical Summary

Problems solved by technology

[0003] The disadvantage of this kind of multi-point lock corner device for doors and windows is that: since the first connecting piece, the spring leaf and the second connecting piece can move freely relative to the L-shaped seat body, when locking the doors and windows or when the doors and windows are ventilated, it is necessary to first Make the first connecting piece, the spring leaf and the second connecting piece move to the initial position, and then related operations can be performed, which is very inconvenient to operate

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