Wire winding device for electrical appliances

Abstract

A wire winding device for an electrical wire of an electrical appliance includes a hollow housing, a winder, and a roller. The housing defines a receiving space, and has a through hole in communication with the receiving space. The through hole is adapted to permit extension of the electrical wire therethrough. The winder is mounted within the receiving space and is adapted for winding and unwinding the electrical wire. The roller is pivotally connected to the housing, and is disposed within one side of the through hole. The roller is adapted to be rotated by the electrical wire when the electrical wire moves through the through hole and contacts the roller.

1 . A wire winding device for an electrical wire of an electrical appliance, said wire winding device comprising: 
 a hollow housing defining a receiving space and having a through hole in communication with said receiving space, said through hole being adapted to permit extension of the electrical wire therethrough and having a first side and a second side that are opposite to each other;    a winder mounted within said receiving space and adapted for winding and unwinding the electrical wire; and    a first roller pivotally connected to said housing, and disposed within said first side of said through hole, said first roller being adapted to be rotated by the electrical wire when the electrical wire moves through said through hole and contacts said first roller.    
   
   
       2 . The wire winding device as claimed in  claim 1 , further comprising a second roller pivotally connected to said housing and located within said second side of said through hole, said second roller cooperating with said first roller so as to be adapted to confine the electrical wire between said first and second rollers, said first roller being adapted to be contacted and rotated by the electrical wire when the electrical wire is pulled out of said receiving space, said second roller being adapted to be contacted and rotated by the electrical wire when the electrical wire is wound into said receiving space through said through hole.  
   
   
       3 . The wire winding device as claimed in  claim 2 , wherein said housing includes a base plate, and a cover unit connected fixedly to and cooperating with said base plate to define said receiving space, said through hole being formed in said cover unit.  
   
   
       4 . The wire winding device as claimed in  claim 3 , wherein said cover unit has two spaced-apart pivot holes formed proximate to said through hole in said housing, said base plate having two spaced-apart pivot holes that are aligned respectively with said pivot holes in said cover unit, each of said first and second rollers having two ends, each of which is formed with an integral pivot pin engaging rotatably a respective one of said pivot holes in said cover unit and said base plate.