换气扇;VENTILATION FAN

摘要

一种换气扇包括一风扇、一外盖组件以及一滤网。风扇具有一入风口及一出风口。外盖组件设置于入风口。外盖组件包括一本体及一盖体。本体包括一开口及多个固定部。开口与入风口对应设置。开口的周缘邻设有相对设置的二个滑槽。固定部设置于本体。盖体与本体间隔设置，形成一间隙。盖体具有多个连结部分别对应连结于该些固定部。滤网可分离地滑设于该些滑槽而装设于开口。盖体的尺寸大于开口的尺寸。气流经间隙流至滤网、入风口，经风扇由出风口排出。; A ventilation fan includes a fan unit, a grille assembly and a filter. The fan unit has an air inlet and a duct. The grille assembly is correspondingly disposed on the air inlet. The grille assembly has a body and a grille unit. The body includes an opening and a plurality of fixing parts. The opening and the air inlet are set correspondingly. Two sliding slots are disposed opposite to each other and adjacent to the edge of the opening. The fixing parts are disposed on the body. The grille unit is disposed at interval from the body. The grille unit has a plurality of connecting parts connected to the fixing parts, respectively. The filter can be slid to the sliding slots so as to cover the opening, or be separated from the body. The size of the grille unit is greater than that of the opening. Air flows through the interval, the filter, the air inlet and the fan unit and discharges via the duct.