Laser pen

Abstract

The present application provides a laser pen and relates to the technical field of laser pens. The laser pen includes a tube body and a base, where the tube body is of a hollow structure, and the base is connected to a first end of the tube body, to form an accommodating cavity; a laser diode configured to transmit a laser beam is disposed in the accommodating cavity, and the laser diode emits the laser beam from a second end of the tube body; the first end of the tube body is provided with at least one through groove, the through groove is provided with a bending portion, and one end thereof is communicated with the outside; and a side wall of the base is provided with a protrusion portion corresponding to the through groove.

Dependencies are inferred from the claim text.