Plastic handrail for electro-tricycle

The utility model discloses a plastic handrail for an electro-tricycle. An opening slot is arranged on a peripheral surface of a portal handrail frame; a portal cover is covered on an opening of the opening slot; fixing screws are respectively arranged at the two ends of the portal handrail frame; at least two positioning holes with upward openings are arranged at the bottom of the opening slot at the top of the portal handrail frame; positioning pins matched with the positioning holes are arranged on an inner surface at the top of the portal cover; side jacks and bottom jacks are respectively arranged on two side walls and two end walls in the two lateral opening slots of the portal handrail frame; a lateral pin and a bottom pin are respectively arranged on the portal cover corresponding to the jacks; at least two horizontal reinforcing ribs are symmetrically arranged at the top in the opening slot of the portal handrail frame; and at least one longitudinal reinforcing rib is respectively arranged at each of