This work is about a "siphon structure improvement of fish vegetable symbiosis system".It consists of an incubator,One power pump,One planting box,The utility model is composed of a connecting pipe and a siphon structure.The power pump is installed in the incubator.One end of the connecting pipe is connected to the power pump.And the free end of the connecting pipe faces the planting box.The siphon structure is installed in the planting box.The siphon structure consists of a hollow piercing set with a flange.One screw lock,Take over.One tube body,I. diversion pipe,It is composed of a cover and an adjusting seal ring.The dressing set is arranged at the bottom of the planting box.And the outer circumference of the wear set has an external thread part.The external thread part is provided with a screw lock, which is arranged on the bottom of the planting box.And for fixing the connecting pipe,And a number of radial ring grooves are arranged near the outer edge of the bottom of the pipe body.And the pipe body is installed and positioned at the flange position of the piercing set.And the guide pipe is inserted in the threading set.And the cover is arranged on the top surface of the pipe body.And an adjusting sealing ring is sleeved around the outer edge of the tube；In this way,Not only is the structure simple,Easy to assemble,The water level of the planting box can be adjusted conveniently.In order to plant different properties of vegetables.本創作係有關於一種「魚菜共生系統之虹吸結構改良」，其係由一養殖箱、一動力幫浦、一種植箱、一連通管及一虹吸結構所組成，動力幫浦裝設於養殖箱內，連通管一端連接於動力幫浦，且連通管自由端朝向種植箱，而虹吸結構裝設於種植箱內，虹吸結構係由一具凸緣之中空穿套件、一螺鎖件、一接管、一管體、一導流管、一封蓋及一調整封環所組成，穿套件穿設於種植箱底部，且穿套件外周緣具有外螺紋部，外螺紋部供螺鎖件螺設於種植箱底面，並供接管固設，而管體近底部外周緣設有若干徑向環穿槽，且管體裝設定位於穿套件之凸緣位置，而導流管插設定位於穿套件內，而封蓋裝設於管體頂面，且管體外周緣套設調整封環；藉此，不僅結構簡單，組裝方便，且可方便進行種植箱之水位高低調整，以利種植不同屬性的蔬菜。
