Protective structure for preventing automobile hub from bursting

The utility model provides an anti-explosion protective structure for an automobile hub, which comprises an aluminum alloy hub, a plurality of reinforcing ribs are uniformly arranged on the outer wall of the aluminum alloy hub, cooling ring boxes sleeved on the aluminum alloy hub are arranged on two sides of the reinforcing ribs, and a heat-conducting ring plate is connected onto the inner wall of one side, attached to the aluminum alloy hub, of each cooling ring box. The inner wall of the heat conduction ring plate is connected with a plurality of heat dissipation columns which are uniformly distributed, and each heat dissipation column penetrates through the aluminum alloy hub and the cooling ring box; a pressure relief block is arranged on the inner wall of the aluminum alloy hub, a pressure relief channel is arranged in the pressure relief block, one end of the pressure relief channel penetrates through the aluminum alloy hub, an air exhaust fan and an electric valve are arranged in the pressure relief ch