The utility model discloses a large capacity electric wire receiver, including casing and upper cover, the side surface of casing is followed the width direction of casing has seted up the inside hollow fixed block of a plurality of, the slide has been seted up to the inner wall of fixed block, the inboard of slide is provided with the expansion plate, the surface of casing seted up with the through -hole that the fixed block is linked together, in the carrier roller device, the post that will stretch out and draw back is taken out in the spout, case groove and inner shell block are fixed, thebe convenient for installation of inner shell and casing, inner shell and casing double -layer design help fixing computer line data line and wiring board in the interior bottom surface of casing andthe interior bottom surface of inner shell, help improving the utilization ratio of electric wire receiver, expansion plate and fixed block sliding connection, the be convenient for pull of expansionplate, thereby when storing after the electric wire receiver is produced successfully, play and prevent that the dust from falling into the effect in the casing from the fixed block, the utility model discloses also be convenient for fix the electric wire receiver on the wall and on the desktop.