Environment-friendly wastewater detection sampling device

The utility model discloses an environment-friendly waste water detecting and sampling device which comprises a pumping barrel, a sleeve cover is fixedly installed on the rear portion of the pumping barrel, a push rod is connected to the front portion of the sleeve cover in a penetrating mode, and a piston is fixedly installed on the front portion of the push rod. A first one-way valve is installed in the position, close to the top, of the interior of the pumping barrel in a penetrating mode, a second one-way valve is fixedly installed in the position, located in the center of the front portion, of the interior of the pumping barrel, a receiving pipe is connected to the front portion of the pumping barrel in a penetrating mode, and an output port is formed in the bottom of the pumping barrel in a penetrating mode; according to the waste water sampling device disclosed by the utility model, the cylinder is arranged to be matched with the rotating rod, so that a water pipe of the waste water sampling device can