An oxygenation device for fish farming

Abstract

The utility model discloses a fish culture oxygen -increasing device belongs to the field of breeding oxygen -increasing, including fixed block and the adjustment structure of assembly in the outside of fixed block, and the oxygen -increasing structure and floating structure are respectively erected in the top and below of fixed block, the adjustment structure includes the fixed installation in the fixed block top surface center place's air cylinder and the fixed connection in the air cylinder output end's fixed disc, and a plurality of connecting rods are rotationally connected in the inner wall of fixed disc, the one end rotationally connected with connecting block of connecting rod is away from the fixed disc, the bottom fixed connection of connecting block has movable block and is rotationally connected in the inner wall of fixed block, one side fixed connection of movable block has the pipe. The utility model discloses through, open air cylinder drive fixed disc lifting, drive connecting rod and movable block linkage, make the pipe be connected with the fixed block rotation place as the axle, the angle of activity adjustment, cooperate the air hole of surface, can even spread oxygen to different water area, expand the range of water area oxygen -increasing.

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