Patent attributes
The present invention discloses a ventilating fan including a ventilating fan body located on the indoor side, an outdoor pipe hood located on the outdoor side, a ventilating fan mounting member located between the ventilating fan body and the outdoor pipe hood, and a panel removably mounted to the front of the ventilating fan body, the ventilating fan mounting member includes a cylinder and a flange, the outdoor pipe hood includes a pipe hood base and a back cover, the pipe hood base includes a base plate with a circular opening and a pipeline fixing ring removably mounted to the base plate; and, a hollow expansion pipe being connected to the cylinder of the ventilating fan mounting member at one end and connected to the pipeline fixing ring at the other end. The present invention has advantages of easy mounting of the expansion pipe.