Computer case shell

The utility model relates to the field of computer accessories, in particular to a computer case shell which comprises a mounting frame and a case bracket which are mounted on the inner sides of desklegs or side desk plates of an office desk, and the mounting frame comprises an inner limiting plate and an outer limiting plate which are mounted on the inner sides and the outer sides of the desk legs or the side desk plates of the office desk; the inner limiting plate and the outer limiting plate are fixedly connected with the office table legs or the side table plates; at least two sliding rails which are arranged in parallel in the horizontal direction are arranged on the inner side of the inner limiting plate. A sliding mechanism matched with the sliding rail is arranged at one end of the case bracket; the case bracket is connected with the mounting frame through the matching between the sliding mechanism and the sliding rail, and the computer case is placed on the inner sides of thedesk legs or the side des