Municipal drainage monitoring type sampler

The utility model relates to a municipal drainage monitoring type sampler which comprises a base, a test tube rack, a test tube, a test tube brush, a brush rod, a lifting mechanism and a sampling water pump, a movable test tube rack is arranged on the base; a plurality of mutually independent test tubes are arranged on the test tube rack; a brushing sampling station is arranged on the base; a test tube brush is arranged on the brushing and sampling station, and is positioned right above the test tube in the brushing and sampling station; the upper part of the test tube brush is connected with a lifting mechanism through a brush rod; a sampling water pump is further arranged, a water inlet of the sampling water pump is located in a municipal drainage water body, a water outlet of the sampling water pump is connected to the test tube brush area through a water pipe, and the open end of the water pipe can enter and exit the test tubes on the brushing sampling station under driving of the lifting mechanism. The d