Heating device for convection type electric heater

The utility model discloses a heating device for a convection type electric heater. Including a thermally conductive outer tube, a heating pipe is fixedly mounted in the heat conduction outer pipe; sealing cover plates are fixedly connected to the left end and the right end of the heating pipe correspondingly. And silica gel is fixedly connected to the end, deviating from the heating pipe, of eachsealing cover plate, a cold end rod is inserted into each silica gel in a penetrating mode, a spiral heating wire is fixedly installed in the heating pipe, and the left end and the right end of the spiral heating wire penetrate through the side walls of the sealing cover plates correspondingly and are fixedly connected with the cold end rods. The utility model is advantageous in that the structure is simple, heat is absorbed by the radiating fins on the heat conduction outer pipe; therefore, the heating time and the heating area are increased for the rising air flow; according to the electricheater, the heating effic