Buoy with baffles for water bath kettles

The utility model discloses a buoy with baffles for water bath kettles. The buoy comprises a square floating board, four baffles and a plurality of rubber rings, wherein a plurality of insertion holes for EP pipes are formed in the floating board, the insertion holes for the EP pipes have different hole diameters, and the hole diameters correspond to different outer diameters of the embedded EP pipes; one edges of the four baffles respectively coincide with four edges of the floating board, and the perpendicular edges of the edges of the four baffles are in the same length; floating-board teeth are formed at the edges coinciding with the baffles, of the floating board, the floating-board teeth are distributed at equal intervals, baffle teeth are formed in the edges coinciding with the floating board, of the baffles, the baffle teeth are distributed at equal intervals, the floating-board teeth correspond to the intervals of the baffle teeth, the baffle teeth correspond to the intervals of the floating-board teeth, and rotating shafts penetrate through the floating-board teeth and the baffle teeth; the rubber rings are mounted on the insertion holes for the EP pipes in a demountable manner. The buoy disclosed by the utility model is simple in integral structure, is low in cost and is convenient to mount and use. Through the adoption of the buoy disclosed by the utility model, the safety of laboratory technicians can be effectively guaranteed, and the success rate of experiments is increased.