The utility model relate to an air conditioner the access door specifically is an articulated formula mining dump truck air conditioner access door, including air conditioner filter core and air conditioner access door, the air conditioner access door includes and door closure and shutter still includes the filter core box, filter core box and air conditioner access door fixed connection, the filter core box includes first open end and second open end, and the first open end fixed connection door closure of filter core box, second open end pass through the tuber pipe and connect the air conditioner evaporimeter, and air conditioner filter core fixes in the filter core box, and the shutter seals the first open end of filter core box and installs on the door closure. The utility model discloses a filter core box is as an organic whole with the design of air conditioner filter core and access door, only at need more during the renew cartridge, pull down the shutter can, succinct convenient, save the maintenance time.