Connector with pre-positioning function

The utility model discloses a connector with a pre-positioning function, which comprises a body and further comprises a connecting frame, a connecting plug is arranged at the front end of the body, limiting grooves are formed in the two side surfaces of the connecting plug, grooves are formed in the bottoms of the limiting grooves, a sliding groove is formed in the inner side of the connecting frame, and the connecting frame is connected with the sliding groove. The two side faces of the connecting frame are each provided with two through holes, and a positioning mechanism is arranged between the connecting frame and the connecting plug. Through the arrangement of the body, the connecting plugs, the connecting frame, the limiting grooves, the grooves, the sliding grooves, the through holes, the limiting blocks and the spring structures, when two connectors need to be connected in series in use, the connecting plugs of the two connectors are inserted into the connecting frame from the openings in the two ends