Multifunctional barbecue grill capable of being disassembled, assembled and adjusted

The utility model discloses a multifunctional barbecue grill capable of being disassembled, assembled and adjusted. Component elements comprise a transverse plate sleeve plate, a buckle plate connecting plate, a vertical plate, a fuel base plate sleeve plate, a fuel base plate connecting plate, an ash collecting plate sleeve plate and an ash collecting connecting plate. The ash collecting connecting plate is inserted into the guide groove of the ash collecting plate sleeve plate; connecting plates on the two sides of an assembly formed by the dust collecting connecting plates and the dust collecting plate sleeve plates are inserted into guide groove of the vertical plate; the fuel base plate connecting plate is inserted into the guide groove of the fuel base plate sleeve plate, the connecting plates on the two sides of the assembly formed by the fuel base plate connecting plate and the fuel base plate sleeve plate are inserted into the vertical plate, the buckle plate connecting plateis inserted into the guid