▎ 摘　　要

NOVELTY - The utility model claims a detachable heating insole structure, comprising an insole surface layer, a battery box, a U-shaped heel, the insole base, the strong magnetic heel part and graphene heating sheet and circuit board, insole base is provided with the battery box containing groove. the battery box containing groove two sides of the front end is provided with a strong magnet, a strong magnetization of the battery box containing groove connected with the strong magnetic absorbing battery box is fixed, the insole base back end is installed with a u-shaped heel; the battery box containing groove for placing the battery box, the battery box is set at the front end of the contact spring needle; the contact spring needle connected with graphene heating sheet and circuit board, graphene heating piece and the circuit board are installed on the insole base, covers the insole surface and fixedly connected on the insole base, convenient detachable battery box of this utility model is convenient to clean, there is no need to worry about the risk caused by the battery box water seepage during cleaning, but also can change the spare battery, continuously protect the feet warm, solves the problem of too short endurance time of heating insole.