The utility model relates to a connection structure of cubical switchboard rocking handle and screw rod, including screw rod and rocking handle, being connected with the connecting piece of adjustable length on the screw rod, the connecting piece includes bolt and connecting rod, and the bolt includes screw section and head, and the connecting rod links to each other with the head, and the diameter of head equals with the diameter of screw rod that screw section fixed connection is equipped with the through -hole on the rocking handle on the screw rod, be equipped with locking Assembly on the connecting rod, the utility model discloses an advantage: connecting piece through the adjustable length that is equipped with on the screw rod, and pass the through -hole with the connecting piece, and lock the rocking handle on the connecting piece through locking Assembly, make rocking handle and the contact length and the area of contact of screw rod increase, effectually rocking handle not hard up droing of when operation has been prevented, the rocking handle is fixed reliable with the screw rod, and convenient for operation, reliable connection, effect of security is good during the operation, set the connecting piece to bolt and connecting rod, and with the head of connecting rod fixed connection at the bolt, the screw section fixed connection of bolt is on the screw rod, can adjust the length of connecting piece in real time, good practical performance.