Sampling device for food microorganism detection

The utility model relates to the technical field of food microorganism detection, in particular to a sampling device for food microorganism detection, which comprises an operation box, a sampling tube is arranged in the operation box, the operation box is provided with a reciprocating mechanism matched with the sampling tube, and the reciprocating mechanism comprises a transverse plate, a waist-shaped frame, a motor and a half gear; a transverse plate is slidably connected in the operation box, the transverse plate is sleeved with the sampling pipe, one end of the transverse plate extends out of the operation box and is fixedly connected with a kidney-shaped frame, tooth edges are arranged on the two sides of the inner wall of the kidney-shaped frame, a motor is installed on one side of the operation box, the output end of the motor is connected with a half gear, and the half gear is meshed with the tooth edges in the kidney-shaped frame; after sampling and diluting are completed, the sample is placed in the