75 series glass steel casement template structure

The utility model discloses a 75 series glass steel casement template structure, including steel casement section bar body, the bottom side symmetry movable mounting of steel casement section bar bodyhas two concatenation pieces, two movable grooves have been seted up to the bottom side symmetry of steel casement section bar body, the activity trench is in the top of concatenation piece, and thewelding has a rack on one side inner wall in activity groove, the through hole has been seted up to the top side of concatenation piece, the through hole rotates installs the dwang, the top of dwang extends to movable inslot, and it has the gear just to weld, the wheel and rack meshing, the sliding tray has been offered to the annular on the inner wall of through hole. The utility model disclosessimple structure, convenient to use for the steel casement section bar of the different sizes of installation is come to the size that can adjust the splice groove mouth, satisfies user's user demand. 本实用新型公开了75系列玻璃钢窗框型材结构，包括钢窗