Water taking device for offshore platform

The utility model discloses a water taking device for an offshore platform, which comprises a winch arranged on the offshore platform; the support frame is suspended on the winch; the sampling bottles are arranged on the supporting frame side by side, water inlets are formed in the upper ends of the sampling bottles, water outlets are formed in the lower ends of the sampling bottles, and sealing covers are arranged on the water outlets; and the switching mechanism is used for controlling each water inlet to be independently opened and closed. The utility model has the following advantages and effects: the plurality of sampling bottles which are continuously and successively opened are arranged and are successively opened and closed in the sinking process of the support frame, so that continuous sampling and respective sampling of water quality at different layer depths are realized, seawater at different layer depths can be obtained at one time, the sampling process is more convenient, and the sampling effici