Impeller structure

Abstract

An impeller structure includes an impeller provided with a hub having a periphery provided with multiple blades in a radiating manner. The hub of the impeller is provided with a pivot portion. A fixing frame or an annular frame is combined on an outer periphery of the blades of the impeller. A magnet ring is fixed on an outer periphery of the fixing frame.

What is claimed is:  
     
         1 . An impeller structure, comprising: 
 an impeller, provided with a hub having a periphery provided with multiple blades in a radiating manner, the hub of the impeller provided with a pivot portion;    a fixing frame, formed with a circular shape, and combined on an outer periphery of the blades of the impeller; and    a magnet ring, formed with a circular shape, and fixed on an outer periphery of the fixing frame.    
     
     
         2 . The impeller structure as claimed in  claim 1 , wherein the fixing frame and the impeller are integrally formed by a plastic material.  
     
     
         3 . The impeller structure as claimed in  claim 1 , wherein the fixing frame is made of a metallic material.  
     
     
         4 . The impeller structure as claimed in  claim 1 , wherein the fixing frame is provided with a protruded annular lip formed on an upper end or lower end of the fixing frame.  
     
     
         5 . An impeller structure, comprising: 
 an impeller, provided with a hub having a periphery provided with multiple blades in a radiating manner, the hub of the impeller provided with a pivot portion, an annular frame combined on an outer periphery of the blades of the impeller;    a fixing frame, made of metallic material, formed with a circular shape, and combined on an outer periphery of the annular frame of the impeller; and    a magnet ring, formed with a circular shape, and fixed on an outer periphery of the fixing frame.    
     
     
         6 . The impeller structure as claimed in  claim 5 , wherein the annular frame and the impeller are integrally formed by a plastic material.  
     
     
         7 . The impeller structure as claimed in  claim 5 , wherein the annular frame is provided with a protruded annular lip formed on an upper end or lower end of the fixing frame.  
     
     
         8 . The impeller structure as claimed in  claim 5 , wherein the fixing frame is provided with a protruded annular lip formed on an upper end or lower end of the fixing frame.