Protective shell of OA system intelligent host

The utility model relates to the technical field of protective shells. The utility model further discloses a protective shell of the OA system intelligent host. Including a housing, a switch button groove is formed in the back surface of the inner wall of the shell; side plates are fixedly mounted on the front face and the back face of the shell correspondingly. Sliding grooves are formed in the opposite sides of the side plates. A limiting rod is movably mounted in the sliding groove; cover plates are fixedly mounted on the opposite sides of the limiting rods; an observation opening is formedin the top of the shell, a fixing base is fixedly installed on the right side of the shell, a sliding block is movably installed in the fixing base, a first through hole is formed in the right side of the shell, a second through hole corresponding to the first through hole is formed in the left side of the sliding block, and a connecting base is fixedly installed at the bottom of the shell. According to the protective sh