Hard disk mounting structure for computer

The utility model relates to the technical field of hard disk installation structures, in particular to a hard disk installation structure for a computer, which comprises a shell, a cooling fan is installed in the shell, an installation plate is fixedly connected in the shell, a sliding groove is arranged on the installation plate, two sliding blocks are connected in the sliding groove in a sliding mode, and a reverse screw rod is connected in the sliding groove in a rotating mode. One end of the reverse screw rod is fixedly connected with a rotating shaft, one end of the rotating shaft penetrates through the mounting plate and the shell and extends to the outside, the reverse screw rod is connected with the two sliding blocks through threads, the sliding blocks are fixedly connected with groove plates, the groove plates are provided with connecting grooves, and limiting plates are slidably connected into the connecting grooves; the two ends of the limiting plate are fixedly connected with a pop-up spring and