Water quality acquisition mechanism for water conservancy project

The utility model relates to the technical field of water conservancy projects, and discloses a water quality collecting mechanism for water conservancy projects, which comprises a water containing cup, a water inlet hole is formed in the bottom of the water containing cup, and a sealing ring located at the top of the water inlet hole is fixedly installed on the bottom wall of an inner cavity of the water containing cup. A first sealing ring extending to the upper portion of the sealing ring is movably installed in the sealing ring, a balancing weight located on the outer side of the sealing ring is fixedly installed on the bottom wall of an inner cavity of the water containing cup, a connecting block is fixedly installed at the top of the water containing cup, and a second sealing ring ismovably installed in the connecting block. A cup cover is in threaded connection with the upper portion of the water containing cup through a connecting block, a guide rod extending into the water containing cup is fixedly i