Network cabinet with good heat dissipation effect

The utility model discloses a network cabinet with a good heat dissipation effect, which comprises a cabinet body, a mounting cavity is arranged in the cabinet body, a grid plate is fixedly connected to the inner bottom of the mounting cavity, a motor I is fixedly connected to the lower surface of the cabinet body, a screw rod is fixedly connected to the output end of the motor I, and a screw rod is fixedly connected to the output end of the screw rod. The side surface of the screw rod is movably connected with a movable block, the left side face of the screw rod is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with fan blades. According to the utility model, through the arrangement of the through pipe and the dispersion pipe, cold air in the refrigeration box can be guided into the mounting cavity, and then the cold air is blown onto the element through the flowing of air flow, so that the heat dissipation efficiency is improved, meanwhile, the element can