| 摘要 |
According to the present invention, the present invention relates to a ventilation device for a window. The ventilation device for a window comprises: a fixing frame; an outer frame coupled to an outdoor side of the fixing frame having a vent on a lower part; an inner frame coupled to an indoor side of the fixing frame having a space unit on the outdoor side, wherein the inner frame also has a connection hole where a part of the space unit penetrates; an opening and closing flap opening and closing a connection hole by being connected to an upper part of the space unit of the inner frame by a hinge; and an opening and closing switch installed in the connection hole to be able to vertically move, opening and closing the connection hole by rotating the opening and closing flap in accordance to a vertical movement. The ventilation device for a window discharges inner air to the outside by being installed in a window, and enables outer air to the inside. Also, the ventilation device for a window obtains air tightness using a magnetic property and saves energy. |
