Foldable geological hammer for geological exploration

The utility model discloses a foldable geological hammer for geological exploration, and relates to the technical field of geological exploration tools. The multifunctional hammer comprises the connecting rod and the hammer head, the containing groove is formed in the connecting rod, the hammer head is arranged on the upper side of the interior of the containing groove and rotationally matched with the inner wall of the containing groove, storage of the hammer head is facilitated, the sharp end and the blunt end are arranged on the left side face and the right side face of the hammer head respectively, and use is facilitated; a reinforcing rod is hinged to the interior of the connecting base through a pin shaft, a fixing base is arranged on the right side of the lower surface of the hammer head, and a fixing bolt is connected between the upper end of the reinforcing rod and the fixing base, so that the stability of the hammer head in the using process is ensured; and the stability of the geological hammer in