Multi-terrain adaptive engine sump

An oil storage lining with a sealing edge on the upper portion is attached to the inner surface of an outer oil pan through a rubber lining, a connecting hole is formed in a flange of the outer oil pan with an air tap on the middle side portion, and an oil drainage screw is installed in an oil drainage threaded hole sleeve at the inner corner of the bottom of the oil storage lining. The oil drainage threaded hole sleeve is in sealing fit with a through hole in the bottom of the outer oil pan. The oil storage lining is installed on the inner surface of the outer oil pan in an attached mode, the sealing edge of the oil storage lining is sealed with the inner upper edge of the outer oil pan, the oil drainage threaded hole sleeve is installed with the through hole in the bottom of the outer oil pan in a sealed mode, the air nozzle is inflated, an inflation cavity is formed between the rubber lining and the outer oil pan, the squeezed lining deforms, and the oil drainage threaded hole sleeve is sealed with the thr