| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a ventilation fan having smaller cubic volume with new design of a ventilation structure.SOLUTION: A ventilation fan of the invention includes a ventilation structure and a fan. The ventilation structure includes an outer frame, a connection member, and a shield member. The outer frame has a storage space and an opening part. The connection member is installed in the storage space, and the connection member has at least one first connection part. The shield member has a cover plate and at least one second connection part. The cover plate is installed at one side of the opening part corresponding to the opening part. Further, the first connection part and the second connection part are installed corresponding to each other and the fan is installed at the other side of the opening part corresponding to each other.</p> |
