Network switch convenient to maintain

The utility model discloses a network switch convenient to maintain, and relates to the technical field of network switches. Comprising a machine body, a top cover and a controller, the controller is installed in the machine body, the top cover is detachably connected with the machine body, a clamping shaft is inserted into the center of the top cover, the clamping shaft and the top cover can rotate relatively, the clamping shaft is inserted into a fixing shaft, the part, inserted into the machine body, of the clamping shaft is connected with a clamping rod, and the fixing shaft is installed in the machine body. The fixing shaft is provided with a sliding groove, the sliding groove comprises a vertical groove and a transverse groove, and the clamping rod can slide up and down along the vertical groove. According to the network switch convenient to maintain provided by the utility model, when the top cover needs to be taken out, the clamping shaft and the clamping rod are rotated to pull out the top cover from