Automatic locking device used when casement door/window meets wind

Abstract

The invention belongs to door and window accessories, and relates to an automatic locking device used when a casement door / window meets wind. The automatic locking device comprises a locking part and a lock cylinder part which are opposite to each other; one of the locking part and the lock cylinder part is arranged on a door / window sash, and the other is arranged on a door / window frame; the lock cylinder part comprises a lock cylinder arranged on a lock cylinder seat; the locking part comprises an upper fixing seat and a lower fixing seat which are fixed on a base; a slide block capable of vertically sliding is inserted into each fixing seat; end parts of two slide blocks are oppositely provided with chucks for clamping the lock cylinder; a gap into which the cylinder lock horizontally slips is formed between the chucks of the two slide blocks; and a pressure spring is arranged between each fixing seat and the slide block in the fixing seat. The invention has the advantages that the automatic locking device is simple in structure and convenient to use, automatically locks the casement door / window when meeting wind, and prevents the sash from being opened back and forth along the wind and skew wind and oblique rain from entering a room.

Description

technical field [0001] The invention relates to the field of building door and window accessories, in particular to an automatic wind locking device for casement doors and windows. Background technique [0002] In the field of building doors and windows, the automatic window closers in the prior art have disadvantages such as complex structure, high price, and complicated installation. Contents of the invention [0003] In order to make up for the deficiencies of the prior art, the present invention provides a simple-structured and easy-to-use wind automatic locking device for casement doors and windows. The doors and windows can be automatically locked when the wind acts on them, preventing the window sash from opening back and forth with the wind and oblique wind. Slanting rain blows into the room. [0004] The present invention is achieved through the following technical solutions: [0005] The wind automatic locking device for casement doors and windows of the pr...

AI Technical Summary

Problems solved by technology

[0002] In the field of building doors and windows, the automatic window closers in the prior art have disadvantages such as complex structure, high price, and cumbersome installation.

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