Novel hard disk quick plug device

The utility model discloses a quick hard disc push-pull structure, comprising a support saddle; a plurality of chambers to hold hard discs are arranged inside the support saddle; an opening from which the hard discs enter the chambers is arranged at the front end of the support saddle, and a connector plugged with the hard discs is arranged at the back end of the support saddle; a linkage mechanism composed of a driving piece, a moveable connecting bar, a rotary rod and a sliding bar, which are connected sequentially, is arranged on the support saddle. Under manual action, the component parts can match with each other to enable the hard discs to be read and plugged in quickly, conveniently and safely.