| 摘要 |
<p>Disclosed is a ventilating fan (100), comprising a ventilating fan frame (102) having an opening (101) at the lower part, a motor arranged in the frame (102) and fan blades (103) mounted on the motor, and a face shield (200) mounted below the opening (101) of the ventilating fan frame (102) and covering the opening (101), wherein the face shield (200) is provided with an opening (210) for mounting a functional unit, and a functional cover (220); the functional cover (220) is provided with an extension sheet (221, 321) extending upwards; and the opening (210) of the face shield (200) is engaged with the extension sheet (221, 321). In this way, the functional cover can be mounted and dismounted easily, and can be reliably fixed on the opening of the face shield.</p> |
