Sealing ring meeting IP68 waterproof requirement

The utility model discloses a sealing ring meeting IP68 waterproof requirements. The sealing ring comprises a sealing ring arranged between a battery end cover and an aluminum cylinder, the enclosing wall body of the sealing ring is arranged at the end part of the battery end cover in a sleeving manner; a first waterproof ring, a second waterproof ring and a third waterproof ring are sequentially formed on the outer side face of the enclosing wall body at intervals in the circumferential direction from top to bottom. One side of the upper end surface of the enclosing wall body extends upwards to form at least one positioning block; the first waterproof ring, the second waterproof ring and the third waterproof ring are inclined towards the direction of the positioning block and form acute angles with the outer side surface of the enclosing wall body; the first waterproof ring, the second waterproof ring and the third waterproof ring are not in contact with the adjacent waterproof rings when being tightly attac