1results about How to "Prevent arbitrary rotation" patented technology

The utility model discloses a kind of anti-explosion helmet with mirror surface cleaning function, including glass cover, the inside fixed connection of glass cover both sides has connecting shaft, the outside rotation connection of connecting shaft has rotating ring, the inside of rotating ring is equipped with three groups of push groove, the inside sliding connection of push groove has push piece, the lower part fixed connection of push piece has sliding rod, first spring is fixedly connected between push piece and push groove inner wall, the first spring is sleeved on the outside of sliding rod, the lower part fixed connection of sliding rod in middle side has scraper, the upper part both sides fixed connection of scraper has two groups of inner rotary block, the both sides rotation connection of inner rotary block has outer rotary piece, the lower part both sides fixed connection of outer rotary piece and sliding rod, can be cleaned to the outer surface of anti-explosion helmet glass, prevent dirty adhesion and affect sight.