Rotary contraction type anti-collision barrel convenient to store

The utility model discloses a rotary contraction type anti-collision barrel convenient to store, and relates to the technical field of anti-collision barrels, the rotary contraction type anti-collision barrel convenient to store comprises an anti-collision barrel base, a mounting groove is annularly formed in the top of the anti-collision barrel base, and an outer arc-shaped barrel body and an inner arc-shaped barrel body which are matched with each other are movably mounted in the mounting groove; a limiting rotation unit used for limiting and guiding is installed between the outer arc-shaped can body and the inner arc-shaped can body. According to the anti-collision barrel, the anti-collision barrel base, the outer arc-shaped barrel body, the inner arc-shaped barrel body and the anti-collision barrel upper cover can be rapidly fixed or loosened through the arrangement of the rapid disassembly and assembly assembly and the insertion assembly, the anti-collision barrel can be disassembled and stored in the tr