Casement window

Abstract

The invention discloses a casement window, which includes a window frame and a window sash. A first parallelogram connecting rod part is hinged to the window frame, a second parallelogram connecting rod part is hinged between a first top rod and the window sash of the first parallelogram connecting rod part, and the first parallelogram connecting rod part and the second parallelogram connecting rod part are used for driving the window sash to open or close translationally. The window sash translationally rotates outwards and is always parallel to the window frame, when the first parallelogramconnecting rod part rotates to the limiting position, the second parallelogram connecting rod part rotates outwards with two hinge points of the first top rod as the rotation center so that the windowsash can be fully opened, the window sash cannot shield the window frame, the ventilation area is larger, the window frame is closely attached to a wall, the occupied space of the window sash after being opened is decreased, the wind area of the window sash is small, wind resistance is correspondingly minimized, the window sash is not prone to being blown off, and the safety of the casement window is further improved.

Description

technical field [0001] The invention relates to the technical field of building doors and windows, and more specifically relates to a casement window. Background technique [0002] In the prior art, casement windows mainly use wind braces to hinge the window frame and sash. Due to structural limitations, the opening angle cannot be fully opened within 90 degrees, and the required opening space is fan-shaped with the length of the sash as the diameter. The required opening space is relatively large, which is easy to interfere with external objects and cause danger, and when opening a large angle, people need to move their body out of the window, which is inconvenient to operate and has certain dangers; when the sash is opened, the area exposed to the wind is large , It is easy to cause the window sash to blow off, causing a safety hazard. [0003] In summary, how to improve the safety of casement windows is a problem to be solved urgently by those skilled in the art. Conte...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, casement windows mainly use wind braces to hinge the window frame and sash. Due to structural limitations, the opening angle cannot be fully opened within 90 degrees, and the required opening space is fan-shaped with the length of the sash as the diameter. The required opening space is relatively large, which is easy to interfere with external objects and cause danger, and when opening a large angle, people need to move their body out of the window, which is inconvenient to operate and has certain dangers; when the sash is opened, the area exposed to the wind is large , it is easy to cause the window sash to blow down, causing a safety hazard

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