Lock hook device for doors and windows

Abstract

The invention relates to a lock hook device for doors and windows, wherein the lock hook device comprises a lock seat fixedly arranged on a frame, a lock rod positioned on a sash and a hook seat fixedly arranged on the sash, and the lock rod is arranged on the hook seat in a translational sliding manner; and a lock hook is hinged to the hook seat, a hook cavity is formed in the top of the lock seat, and when the lock rod slides in a translational sliding manner, the lock hook is driven to rotate so as to hook or be separated from the hook cavity. The device can realize the double functions of lock point compression and lock hook theft prevention, improves the locking safety, is ingenious in structure and convenient to assemble, is provided with a tooth structure between the lock hook and the lock rod, realizes opening and closing through linkage during sliding, and is convenient and stable to operate.

Description

technical field [0001] The invention relates to door and window hardware fittings, in particular to a lock hook device for doors and windows. Background technique [0002] The current door and window locking methods mainly include: [0003] ①Rolling lock point locking: The most commonly used lock point, with a pressing function, can lock the doors and windows and press them to ensure that the doors and windows do not leak air or air. [0004] ②Mushroom head anti-theft lock point locking: it belongs to the category of anti-pry lock point, and the anti-theft level can reach the European standard WK2 level. [0005] ③The use of rolling lock points with anti-theft lock points: the advantage is that it has both locking and pressing functions and anti-theft functions. The disadvantage is that there are many accessories, high installation accuracy is required, and the relative cost is also high. [0006] How to further improve the safety and anti-theft of door and window locking ...

AI Technical Summary

Problems solved by technology

[0005] ③The use of rolling lock points with anti-theft lock points: the advantage is that it has both locking and pressing functions and anti-theft functions. The disadvantage is that there are many accessories, high installation accuracy is required, and the relative cost is also high.

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