Stabilizing device and electric heater thereof

The utility model provides a stabilizing device and an electric heater thereof, relates to the technical field of electric heaters, and is characterized in that the stabilizing device comprises a telescopic rod, a sleeve and a sucker, the telescopic rod is vertically connected in the sleeve in a sliding mode, the bottom end of the telescopic rod is fixedly provided with a piston which divides an inner cavity of the sleeve into an upper cavity and a lower cavity, and the sucker is arranged in the upper cavity. The piston is elastically connected with the sleeve through a first elastic element so as to reset the piston; a first pipeline and a vertical second pipeline are fixedly arranged at the bottom of the sleeve, a first one-way valve only allowing gas to be discharged from the lower cavity is arranged in the first pipeline, and a second one-way valve only allowing gas to flow into the lower cavity from the suction cup is arranged in the second pipeline; and the sucking disc is fixedly arranged at the bottom