Bidirectional obstacle avoidance device for collision prevention of side brush of sweeper

The utility model relates to the technical field of sweepers, in particular to a bidirectional obstacle avoidance device for collision prevention of a side brush of a sweeper, which comprises a spring pin and an obstacle avoidance rocker arm seat, a joint seat is fixed at one end of the obstacle avoidance rocker arm seat, and a first shaft pin connecting mounting hole is formed in the middle of the joint seat. A fan-shaped connecting port is formed in the end, away from the obstacle avoidance rocker arm base, of the joint base, an obstacle avoidance rocker arm is installed in the joint base, a reset torsional spring is installed on the spring pin, a torsional spring inserting hole is formed in one end of the reset torsional spring and formed in the joint base, and a positioning pin is further welded to the joint base and located on the outer side of the other end of the reset torsional spring. An anti-collision ring is further installed on the obstacle avoidance rocker arm. The simple swing obstacle avoidance