River sewage sampling device

The invention relates to a river sewage sampling device which comprises a telescopic support, the telescopic support is connected with a sampling bottle through a traction rope, the sampling bottle comprises a bottle body and a bottle cap, a gravity block is arranged in the bottle body, the bottle cap is of a closed hollow cavity structure, the bottle cap and the bottle body are hinged through a hinge piece, and an air inlet is formed in the hollow cavity structure of the bottle cap. The air inlet is sealed by an openable sealing plug, a first clamping ring sleeves the edge of the circular axial surface, facing the bottle body, of the bottle cap, a second clamping ring sleeves the edge of the upper opening, facing the bottle cap, of the bottle body, coaxial through holes matched for use are formed in the first clamping ring and the second clamping ring respectively, and the first clamping ring and the second clamping ring are made of magnets. And sampling in the deep position of the river. 本发明涉及一种河流污水取样装置，包括可