Patent ID: 6866218

Claim:
A wire winding box used for winding a wire, comprising: a bottom cover, which has a fixing tank; an upper cover, which is assembled with the bottom cover to form an outer housing and a disk tank within the outer housing, the upper cover having an opening corresponding to the fixing tank of the bottom cover, a periphery of the outer housing having wire outlets formed thereon and ends of the wire each being disposed within a corresponding one of the wire outlets; a rotating disk, which is disposed in the disk tank, the rotating disk having a stopping ring and a central hole formed thereon, the central hole being aligned to the opening of the upper cover and being concentric with the stopping ring, the stopping ring having an inner edge with stopping blocks and indentations, the wire having a middle portion secured on the rotating disk and being wound between the rotating disk and the upper cover; a spiral spring, which has an end secured on the outer housing and another end secured on the rotating disk, the spiral spring being disposed between the rotating disk and the bottom cover; and a control button, which has a button portion, the button portion being capable of moving upwardly or downwardly within the opening of the upper cover, the button portion having a lower end contacted with an elastic component, the elastic component being passed through the central hole of the rotating disk and disposed within the fixing tank of the bottom cover, the button portion having a periphery with projective blocks, the projective blocks capable of being wedged by the stopping blocks and moving upwardly and downwardly via the indentations, the control button and the upper cover forming a position restricting structure therebetween; whereby the rotating disk is restricted to rotate in a single direction for pulling out the wire and tightening the spiral spring simultaneously while the projective blocks are wedged by the stopping blocks; the spiral spring is released to make the rotating disk rotate in a reverse direction for retracting the wire while the control button is pressed to make the projective blocks pass through the indentations.