Back buckle type bus connecting device for switch cabinet

The invention relates to a back buckle type bus connecting device for a switch cabinet. The device comprises two bus sockets and a bus connector, wherein the two bus sockets are respectively located at the top parts of the two adjacent switch cabinets; the bus connector is inverted U-shaped, and two ends of the bus connector are provided with downward pins which are respectively inserted into the two bus sockets; and a bus socket is arranged in a bus chamber between the switch cabinets and can be connected by the bus connector, it is convenient to disassemble and assemble, no exposed conductive part exists, and power transmission is not easily influenced by the outside. The structure design is reasonable, the installation is convenient, no exposed part exists, and the insulation performance is good; and the investment cost is low, but the working efficiency of workers can be greatly improved. When the switch cabinet breaks down, only the bus connecting device needs to be dismounted, the faulted switch cabinet