▎ 摘　　要

NOVELTY - The utility model relates to the technical field of heating device auxiliary device, especially relates to a portable heating device, comprising a box body, a mounting plate and a clamping structure, the box body is provided with a chamber, the front end of the box body is provided with a round hole, the mounting plate is fixedly provided with a base, the base passes through the round hole and extends into the box body, one end of the base towards the inner part of the box body is circumferentially and equidistantly provided with multiple groove plates, the notch width of the groove plate is less than the diameter of the inner groove, the groove plate is provided with graphene heating pipe, the clamping structure comprises four guide sleeves, the four guide sleeves are circumferentially and uniformly fixed on the front wall of the box body, the guide sleeve is slidingly provided with a clamping plate, the circumferential outer wall of the base is uniformly provided with four clamping grooves, the top end of the box body is provided with a top cover, the top cover is provided with multiple heat discharging holes. In the utility model, it is convenient to install and graphene the heating pipe, improving the use convenience.