Built-in type safety theft-proof sliding window fence with variable tracks

Abstract

The present invention relates to a window fence, especially a safety theft-proof sliding window fence. The window sash is fixed on the window sash frame. The window sash frame is inserted into slide tracks with slide track grooves and can slide on the tracks. The contact places of the window sash and upper and lower slide tracks are fixed with upper slide pins and lower slide pins. The corners of the window sash frame are mounted with pin locks. There are three tracks of the upper and lower tracks, wherein the window sash frame corresponding to the middle track is disposed with slide pins; the position of the lower slide pins is opened with slide track grooves. The window fence not only can achieve the object of theft-proof and pick-proof but also can improve the beauty and practicability for the window fence.

Description

Technical field: [0001] The invention relates to a window bar, in particular to a built-in track-changing push-pull safety and anti-theft window bar. Background technique: [0002] Although the traditional fixed window bars (i.e. iron cages) are strong and have good anti-theft performance, they affect the overall architectural appearance and make it impossible for people to evacuate from the room under special circumstances. In particular, it creates convenient conditions for the perpetrators to climb up to the upper floors, resulting in layer-by-layer installation. Therefore, it has long been banned by the public security department. At present, there are new window bars in the market, such as zipper window bars. Although great progress has been made, the disadvantage is that the strip steel can only be arranged in a plane and seriously affects indoor lighting, and after opening, a considerable part of the overlap not only seriously affects lighting but also gives window c...

AI Technical Summary

Problems solved by technology

At present, there are new window bars in the market, such as zipper window bars. Although great progress has been made, the disadvantage is that the strip steel can only be arranged in a plane and seriously affects indoor lighting, and after opening, a considerable part of the overlap not only seriously affects lighting but also gives window cleaning belts. come difficult

There are also rod-detachable window rails on the market now, which are not beautiful in appearance and have no protective effect in terms of structural strength.

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