Efficient vehicle-mounted air cooler

The utility model discloses an efficient vehicle-mounted air cooler, which belongs to the technical field of air coolers and comprises an air cooler body, and a filter plate fixing component is arranged inside one side of the air cooler body. The filter plate fixing assembly comprises a mounting groove, a spring I, a fixing hole I, a filter plate, a bayonet lock I, an adjusting plate and a mounting plate, the mounting plate is arranged in the side edge of the air cooler body, a sealing ring is arranged on the side edge of the mounting plate, the adjusting plate is arranged in the side edge of the mounting plate, the spring I is arranged on one side of the adjusting plate, and the fixing hole I is arranged on the other side of the adjusting plate. A first clamping pin is arranged on the other side of the adjusting plate. According to the air cooler, the filter plate fixing assembly is arranged, the mounting plate is pulled out from the interior of the air cooler body by pulling the pull handle, so that the fil