The utility model relates to the field of hair trimmers, and discloses a multifunctional self-service
hair clipper. The hair
trimmer comprises a shell, a trimming cutter head
assembly, a bareheaded haircutting
assembly and an adjusting wheel, the trimming cutter head
assembly and the bareheaded haircutting assembly are movably installed on the shell, the adjusting wheel is rotationally connected with the bareheaded haircutting assembly and the shell, and when the adjusting wheel rotates, the adjusting wheel rotates relative to the shell and drives the bareheaded haircutting assembly to move up and down. The bareheaded hairdressing assembly retracts into the shell, and when the bareheaded hairdressing assembly is used for trimming the bareheaded hairstyle, the bareheaded hairdressing assembly is driven to move relative to the shell and stretch out of the shell. The multifunctional
hair clipper not only can trim long hair or
short hair, but also can trim smooth hair, so that the functionality of the
hair clipper is increased; when the bareheaded hairdressing assembly is driven to stretch out and draw back, only the adjusting outer ring needs to be rotated outside the shell, operation is convenient, the structure is simple, and production cost is reduced; when the hair clipper is used for clipping the head into
short hair, the hair clipper only needs to be attached to the
scalp to move, and operation is safe and convenient.