Triangular prism ice drill bit used for electric ice drilling machine

The utility model provides a triangular prism ice drill bit used for an electric ice drilling machine. The triangular prism ice drill bit comprises an ice breaking portion, a supporting portion and a connecting portion, wherein the supporting portion is located between the ice breaking portion and the connecting portion. The ice breaking portion comprises an ice breaking end and an ice breaking body, and the ice breaking end is located at the top end of the ice breaking body. The supporting portion comprises a supporting body and three buffer grooves, the three buffer grooves are formed in the supporting body, one end of the supporting body is connected with the ice breaking body, and the other end of the supporting body is connected with the connecting portion. Compared with the prior art, the triangular prism ice drill bit has the advantages that by the adoption of the triangular prism ice drill bit, ice can be quickly broken and labor and materials are saved; in addition, the surface of the drill bit will not be damaged, and the service life of the drill bit is prolonged; meanwhile, scales are arranged on the ice drill bit, the ice drilling depth can be known directly, and therefore convenience is brought to use.