Ventilation device for hothouse

摘要

Ventilation device that allows the opening of a half arch of a hot house roof in arch form, by means of a window hinged on one of its sides, being opened at the top part of the hot house. The union between the arch (3) of the structure and the arches (5) of the window is implemented in a coupling node (4) where these structural elements converge. The seal between the window and the roof of the hot house is implemented in a watertight manner, since the window at its free end is slightly curved. The opening and closing are carried out by means of a rack (11) joined at its upper end to the structure of the window, and which is driven by a gear arrangement (16) propelled by a motor-reduction gear unit (15).