| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilation fan having a filter fixing structure of a normal home-use ventilation fan or the like in which a filter is installed at its front surface and a dropping of the filter caused by outside wind pressure is prevented. SOLUTION: This ventilation fan with a filter is composed of a main body 1 for holding an electric motor, a shutter 5 at the rear surface side of the main body 1 for preventing entering of outside window when its operation is stopped and being opened or closed in cooperation with a turned-on or turned-off state of a switch, a vane 3 supported by a shaft at a motor 2 and rotated by it, a panel 4 covering a circumference of the vane 3 and the front surface of the main body 1, a filter holding frame 8 removably installed at the panel 4 and a filter 6 held by the filter holding frame 8. In this case, the panel 4 is provided with a notch section and a groove in a circumferential direction of the notch section. A protrusion part 15 of the filter holding frame 8 is inserted into the notch section and at the same time it is rotated along the groove formed in a circumferential direction and fixed. |
