Rustproof rubber sheath for train parts

The utility model discloses a rust-proof rubber sheath for train parts, and relates to the technical field of train parts. The multiple rubber sheath bodies are arranged at equal intervals, the corrugated rubber sleeves are connected between every two adjacent rubber sheath bodies, first supporting rings are arranged on the inner walls of the corrugated rubber sleeves, and second supporting rings are arranged on the inner walls of the rubber sheath bodies. The second supporting ring is located between the corrugated rubber sleeves, and the rubber sheath body comprises a rubber layer, a waterproof layer, a grid layer and a heat insulation layer which are sequentially arranged from outside to inside. The corrugated rubber sheath has good wear resistance and corrosion resistance, parts can be effectively protected from being affected by the external environment, the corrugated rubber sheath further has good elasticity and can adapt to the shape change of the parts, and through the rubber layer, the heat insulati