Chemical inspection sampling device

The utility model discloses a chemical inspection sampling device which comprises a sampling main body, the sampling main body is provided with a sample suction pipe, a sampling control pipe is connected to the sampling main body in a sealing manner, and a sampling driving mechanism is mounted in the sampling control pipe; the sampling driving mechanism comprises a sampling motor, the sampling motor is connected with a lead screw, the lead screw is provided with a piston, the piston is arranged in the sampling control pipe, and the sampling motor drives the lead screw to rotate to enable the piston to move in the sampling control pipe so as to automatically suck the sample into or discharge the sample out of the sampling main body. The sampling motor is started to drive the screw rod to rotate, and the screw rod drives the piston to move up and down, so that the pressure in the sampling control pipe is changed, and chemical liquid products can be automatically sucked into and discharged out of the sampling ma