Sewage sampling device

The utility model relates to the technical field of sewage sampling equipment, in particular to a sewage sampling device. The device comprises a base, a sampling assembly and a steering mechanism, the steering mechanism comprises a connecting groove, the connecting groove is formed in the surface of the top end of the base, a connecting rotating block is arranged on the surface of the bottom end of the sampling assembly and movably connected to the inner side of the connecting groove, an empty groove is formed in the inner side of the connecting groove, and a spring is fixedly connected to the inner side of the empty groove; limiting grooves are formed in the outer sides of the connecting rotating blocks, one ends of the balls are movably connected to the inner sides of the limiting grooves, and limiting assemblies are arranged in the base. By means of the steering mechanism, the sampling assembly can freely rotate on the base while the sampling assembly and the base are stably connected enough, so that the o