Lithium ion battery with anti-collision structure

The utility model discloses a lithium ion battery with an anti-collision structure, which comprises a battery box, a battery block and a box cover, the battery block is fixed at the top end in the battery box, the box cover is fixed at the top end of the battery box, and a protection structure is arranged at the top end of the box cover. The protection structure comprises a buffer groove, guide columns, a protection plate and spring telescopic columns, the guide columns are fixed to the corners of the bottom end of the protection plate, and the bottom ends of the guide columns extend to the bottom end of the box cover. According to the utility model, the protective plate is arranged in the buffer groove on the box cover, when the upper part of the lithium ion battery is extruded or collided, the lithium ion battery is contacted with the protective plate before being mounted, the protective plate is stressed to move downwards, and a plurality of groups of spring telescopic columns at the bottom of the protecti