The utility model discloses a fire-fighting
smoke exhaust window capable of being opened by 70 degrees, and relates to the technical field of fire-fighting
smoke exhaust windows. The aluminum
alloy window comprises a latticed structure formed by aluminum
alloy cross beams and aluminum
alloy stand columns, and a plurality of opening windows are fixedly connected into grids formed by the aluminum alloy cross beams and the aluminum alloy stand columns. A plurality of steel pipes are fixedly connected to the intersection points of the aluminum alloy cross beams and the aluminum alloy stand columns in an inserted mode, a plurality of fixed windows are connected between the steel pipes through hardware, and a flat
curtain wall is formed. The use of the aluminum alloy decorative pressing plate not only enhances the aesthetic degree of the
curtain wall, but also provides a good protection effect, the arrangement of the opening window and the fixed window meets the requirements of ventilation, lighting and visual field of the
curtain wall, the opening window can be produced in a pre-
assembly mode and can be quickly mounted after arriving at the site, and the production cost is reduced. And a user can conveniently ventilate in the use process.