The utility model provides a hard disk
cartridge. The hard disk
cartridge comprises a shell; the hard disk drawing box is of a groove-shaped structure with an opening in one end, and the hard disk drawing box is connected with the shell in a sliding mode; the
front cover plate is rotationally connected with the first side wall of the hard disk drawing box, and a lock hook structure is arranged at the end, away from the first side wall, of the
front cover plate; the
locking mechanism comprises a locking elastic piece and an ejection block, the locking elastic piece is arranged on the second side wall of the hard disk drawing box, the second side wall is opposite to the first side wall, the locking elastic piece is used for being connected with the lock hook structure in a clamped mode, and the ejection block is arranged on the shell and abuts against the locking elastic piece in a sliding mode; the self-
locking mechanism comprises a self-locking module and a lock pin, the self-locking module is arranged on the second side wall, one end of the lock pin is arranged in the shell, the other end of the lock pin is arranged in the self-locking module in a sliding mode, and the lock pin limits the hard disk drawing box to sequentially and circularly move relative to the shell according to the first distance, the second distance, the first distance and the third distance. According to the utility model, the hard disk can be disassembled and assembled without tools.