Crown spring and crown spring connector

The utility model relates to the technical field of electric connectors and particularly relates to a crown spring and a crown spring connector. The crown spring comprises a waist-drum-shaped crown spring body; the crown spring body is provided with an opening and the crown spring body is provided with a plurality of spring sheets; a through hole is formed between the two adjacent spring sheets; each spring sheet is provided with at least two contact parts which are concave along the axis direction of the crown spring body; the crown spring connector comprises a male needle and a female needle; the female needle is provided with an inserting hole and the female needle is matched with the inserting hole in an inserting manner; the crown spring connector further comprises the crown spring; the inserting hole is provided with a clamping groove and the crown spring body of the crown spring is arranged in the clamping groove; and an insulating part is arranged at the front end of the male needle. The crown spring