1. bayonet type heating element, it is characterized in that: comprise the porcelain piece more than 2, described porcelain piece is passed rod iron (5) successively; Be provided with wiring rod (1) in the first porcelain piece (2); Be wound with resistive band (3) between the first porcelain piece (2) and the second porcelain piece; Resistive band (3) one ends connect wiring rod (1) by the first porcelain piece (2), and the other end passes all the other porcelain pieces successively.
2. bayonet type heating element according to claim 1 is characterized in that: described porcelain piece is circular and which is provided with the hole.
3. bayonet type heating element according to claim 2, it is characterized in that: described hole is square hole.
4. bayonet type heating element according to claim 1, it is characterized in that: described porcelain piece has 5.
5. bayonet type heating element according to claim 1, it is characterized in that: described resistive band (3) is wound in cylindrical shape.