Security plug-in of aluminum alloy window corners and installation structure thereof

The invention relates to the field of aluminum alloy doors and windows, in particular to a security plug-in of aluminum alloy window corners. The security plug-in is installed at the aluminum alloy window corners. The security plug-in comprises an L-shaped fastening sticking piece and a circular arc portion arranged on the outside of a bending portion of the fastening sticking piece, a sunken portion is arranged on the side surface, arranged on an aluminum alloy window in a sticking mode, of the fastening sticking piece, and a through hole communicating with the sunken portion is formed in thefastening sticking piece. The security plug-in of the aluminum alloy window corners solves the potential safety hazard problem due to the fact that a door and a window sash form a sharp angle. The invention further provides an installation structure of the security plug-in of the aluminum alloy window corners. 本发明涉及铝合金门窗领域，尤其涉及种铝合金窗角部安全插件，其装设于铝合金窗角部，包括L形的紧固贴片、设于紧固贴片折部外侧上的圆弧部，所述紧固贴片贴设铝合金窗的侧面上设有凹陷部，所述紧固贴片上设有连通凹陷部的通孔。其解决了门窗