Dual-head fan

Abstract

A dual-head fan is disclosed herein, comprising a drum fan, a first wind shell on the drum fan, an outer shield on one side of the first wind shell, a moving panel accommodated in the first wind shell, a supporting plate at a top of the first wind shell and having a hollow portion at a center thereof and an engaging part in a middle of the hollow portion for engaging with an upper end of the moving panel by one side thereof, an air duct baffle engaged with the other side of the engaging part of the supporting plate and having two laterals connected with a second wind shell and a lower outlet shell having a top surface, and an upper outlet shell rotatably connected on upper sides of the second wind shell and the lower outlet shell to regulate airflow direction by rotation.

What is claimed is: 
     
         1 . A dual-head fan, comprising
 a drum fan;   a first wind shell disposed on an upper side of the drum fan;   an outer shield disposed on one side of the first wind shell;   a moving panel accommodated in the first wind shell;   a supporting plate disposed at a top of the first wind shell and having a hollow portion at a center thereof and an engaging part in a middle of the hollow portion for engaging with an upper end of the moving panel by one side thereof;   an air duct baffle engaged with the other side of the engaging part of the supporting plate by a lower end thereof and having two laterals connected with a second wind shell and a lower outlet shell, wherein the lower outlet shell has a top surface; and   an upper outlet shell rotatably connected on upper sides of the second wind shell and the lower outlet shell to regulate airflow direction by rotation.   
     
     
         2 . The dual-head fan as claimed in  claim 1 , wherein the drum fan comprises a seat, an impeller disposed at the seat, and a lid covered on the seat. 
     
     
         3 . The dual-head fan as claimed in  claim 1 , wherein a lateral surface of the first wind shell is provided with a protruding portion, and wherein the outer shield is provided with a groove corresponding to the protruding portion for engagement. 
     
     
         4 . The dual-head fan as claimed in  claim 1 , wherein the lower outlet shell and the upper outlet shell are provided with a first outlet and a second outlet respectively.