| 摘要 |
The ventilator of the present invention comprises: a plate-shaped circular grille unit (10) with multiple penetrating holes (11) and a combining edge (12) connected to the penetrating holes (11) inside; an internal cover member (20) which comprises: an internal cover main frame (21) whose external side is fixated on a wall punched for installation of the ventilator or the internal side of the ceiling and whose center has a grille unit inserting hole (21a) combined with the grille unit (10) to be able to rotate; and, a grille unit rotating unit (22) with a grille unit combining hole (22a) combined with the center for the grille unit (10) to be able to rotate, which is combined with the inserting hole (21a) to be able to rotate along the inner periphery of the inserting hole (21a); a jabara pipe (30) whose one end unit is combined with the combining edge (12) of the grille unit (10) to be able to rotate, which can be expanded and contracted with an air passage formed; and, an external cover member (40) which comprises: a fan fixing unit (42) whose inside is combined with an exhaust gas fan (41) to be able to rotate and whose internal end unit is combined with the other end unit of the jabara pipe (30); and, an external cover main frame (43) whose external side is fixated on the wall body punched for installation of the ventilator or on the external side of the ceiling and whose internal side has a fan fixing unit combining hole (43a) with which the fan fixing unit (42) is combined. |
