Information storage case

A dustproof net is arranged in a fixing frame of a top cover of the information storage case, a fixing groove is formed in the top end of the left wall of a shell and/or the top end of the right wall of the shell, a fixing block matched with the fixing groove is fixedly connected to the lower side face of the fixing frame, and a limiting groove is formed in the front side or the rear side of the fixing block. A limiting block matched with the limiting groove is fixed to the front side or the rear side of a pin column of the limiting pin, and locking or unlocking of the fixing frame and the left wall of the shell and/or the right wall of the shell is achieved by pulling the limiting pin outwards. The fixing frame is unlocked by pulling the limiting pin, the top cover can be taken down from the shell by moving the fixing frame upwards, the dustproof net is disassembled and cleaned, a plurality of bolts do not need to be disassembled through a tool, and the dustproof net is convenient to clean. 本实用新型公开了一种信息存储机箱，