Sliding window safety limit lock

Abstract

A safety limit lock for a sliding window, mainly composed of a lock shell 1, a handle 2, a plug 3, a bayonet pin 4, a lock cylinder 5, a tongue pin 6, a movable sleeve 7 and a folding rod 8, and has two innovative features: 1. Double-pin structure is adopted, that is, two upper and lower pins are designed, the upper pin realizes locking, and the lower pin realizes limit. 2. The folding rod 8 can be stored, that is, it can be automatically folded from a horizontal state to a vertical state. The design goal is to replace the crescent lock of the existing sliding window, increase the limit function, and hide the limit retracting rod 8. It is also suitable for those residents who live in old houses and want to install limit locks, which can play a role in ventilation, The function of anti-theft and preventing children from accidentally falling from the building solves the problems of ventilation and anti-theft in those homes with children who are easy to neglect supervision and the elderly who have been helping their children and grandchildren in different places for a long time.

Description

(1) Technical field [0001] The invention relates to a safety limit lock for a sliding window, which belongs to the technical field of locks. (2) Background technology [0002] The home is a habitat, and windows are particularly important. They are not only convenient for enjoying the outside scenery, shelter from wind and rain, shade and sound insulation, but also decorative. More importantly, they are used for ventilation, anti-theft, and preventing children from climbing and falling. The last three points are contradictory. Because young children are curious about the outside world, when conditions permit, they may climb windows. Therefore, window sills and balconies are high-incidence areas for children to fall from buildings. In addition to strengthening the supervision and guidance of children, the most effective way is to set up safety protection measures on balconies and windows. [0003] People first tried to install protective nets on balconies and windows, but in...

AI Technical Summary

Problems solved by technology

In view of the above defects, the present invention introduces a push-pull window retractable rod type safety limit lock, which plays the role of ventilation, anti-theft, and anti-child accidental fall, and solves the problem of those who have children at home who are prone to negligent supervision and the elderly who have been in different places for a long time. Ventilation and anti-theft problems when children are with children and no one is watching at home

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