Sample extraction suction head device

The utility model discloses a sample extraction suction head device which comprises a suction head body, an installation lantern ring is fixedly connected to the outer side wall of the suction head body in a sleeved mode, an extraction connector is arranged above the suction head body, an extraction insertion pipe is fixedly connected to the bottom of the extraction connector, and an extraction rubber ring is fixedly connected to the outer side wall of the extraction insertion pipe in a sleeved mode. The outer side wall of the extraction connector is fixedly sleeved with a connecting lantern ring, and the two sides of the outer side wall of the mounting lantern ring are both connected with fixing assemblies. The fixing sleeve block, the fixing insertion strip, the fixing pull block and the fixing spring can be matched through the positioning assembly, so that the fixing pull block is loosened, the fixing spring applies restoring force to the fixing insertion strip, and the fixing insertion strip is movably co