Connection structure manages in side

The utility model provides a connection structure manages in side belongs to the steel construction field, it has solved the low problem of current steel construction side pipe joint strength. The utility model discloses a cross -section is hollow rectangular's square pipe, the square intraductal fixed block that is equipped with, and can connect gradually three adjacent square pipes, and left side square tube end part and right side square tube end part manage both sides vertical welding with the third side respectively, and formation cruciform structure, still include a plurality of left screw rods and right screw rod, left side screw rod passes third side's pipe in proper order, the fixed block of third side's pipe and the fixed block of left side side's pipe, and it is fixed through the nut, right side screw rod passes third side's pipe in proper order, the fixed block of third side's pipe and the fixed block of right side side's pipe, and it is fixed through the nut. This connection structure can manage