Safety guardrail device of buggy

The utility model belongs to the field of guardrail equipment, and particularly relates to a safety guardrail device of a buggy, which comprises a seat and a guardrail mechanism positioned on one side of the seat, fixed seats are fixedly mounted on the seat, a same fixed plate is fixedly mounted on one sides of the two fixed seats, and the guardrail mechanism comprises a rotating rod, a connecting plate and a guardrail. The rotating rod is rotationally installed on the two fixing seats, the connecting plates are fixedly installed at the two ends of the rotating rod, the protective fences are rotationally connected with the connecting plates, the two protective fences are matched with each other, a rotating mechanism is arranged between the protective fences and the connecting plates, a plurality of fixing grooves are annularly formed in the rotating rod at equal intervals, clamping mechanisms are arranged on the fixing plates, and the connecting plates are fixedly connected with the rotating rod. The clamping