The utility model relates to a structural improvement of a water inlet of an aquarium.It contains an ontology.A holding space is recessed in the center of the body.A main water inlet and more than one auxiliary water inlet are arranged under the holding space.A partition board.The partition is provided in a holding space.The height of the partition is slightly lower than the height of the holding space；A connecting pipe,It is arranged above the body.The connecting pipe is used for connecting the pipeline of a filter；Through the above elements,The water in the aquarium is drawn in through the main water inlet and the auxiliary water inlet under the main body.And the partition is used for preliminary filtration of the water source to be inhaled and reducing the cross-section of the water inlet to increase the suction.Increase the amount of water inhaled,And the water source to be inhaled is sequentially passed through the connecting pipe and the filter.To keep aquarium clean.一種水族箱進水器結構改良，包含有一本體，該本體於中央凹設一容置空間，該容置空間下方設有一主進水口以及一個以上的副進水口；一隔板，該隔板設置於容置空間內，該隔板高度略低於容置空間的高度；一連接管，其設置該本體上方，該連接管用於連接一過濾器之管路；透過上述元件，水族箱內的水源透過該本體下方的該主進水口及該副進水口吸入，而該隔板用於初步過濾吸入的水源以及縮小進水截面使得吸力增加，加強吸入的水量，並將吸入的水源依序經由該連接管以及該過濾器，達到保持水族箱清潔者。
