A kind of box multilayer,Multi-cylinder arranges ornamental fish tank structure,It include a cabinet,Upper down space has been divided by a first partition,Lower space is equipped with drainage trap； One second partition is located above first partition,Hou space before being separated into upper space,Plurality of through holes is equipped on the second partition,It is equipped with an at least fish jar in the front space of the second partition,Each fish jar is equipped with water outlet connector,Each water outlet connector can be positioned in the perforation on second partition； One outlet pipe group,It include the outlet pipe and a plurality of socket pipes of a connection drainage trap,Each socket pipe is located at the perforation on neighbouring second partition； One water pipe,Arrival end is connected to drainage trap,Outlet is located above each fish jar； Its characteristic is in what: the water outlet connector outlet end on fish jar is arranged in the big what of bore of the socket tube inlet in the outlet pipe group,It extend into the outlet end of water outlet connector freely in socket pipe,A kind of discharge structure for being not required to the fixed i.e. quick release of screw lock or assembling fish jar can be thereby provided.一種箱型多層、多缸排列觀賞魚缸結構，包括有一箱體，由一第一隔板隔成有上下空間，下方空間設有濾水槽；一第二隔板設在第一隔板上方，使上方空間分隔成前後空間，在所述第二隔板上設有複數穿孔，在所述第二隔板之前方空間設有至少一魚缸，各魚缸上設有出水接頭，各出水接頭可以定位在第二隔板上的穿孔中；一出水管組，包含有一連通濾水槽的出水管及複數個套接管，各套接管設在鄰近第二隔板上的穿孔處；一補水管路，入口端連通濾水槽，出口設在各魚缸上方；其特徵在於：所述出水管組上之套接管入口之口徑大於設置在魚缸上的出水接頭出口端，使出水接頭之出口端可以自由伸入到套接管內，藉此可以提供一種不需螺鎖固定即可快速拆卸或組裝魚缸的排水結構。
