Connecting assembly

The utility model relates to a connecting assembly. The connecting assembly comprises a male connecting piece and a female connecting piece which are matched with each other in an inserted mode. The male connecting piece comprises a male head base and a plurality of plug connector groups; the plug connector group is composed of at least two plug connectors whose free ends can be close to each other under an external force, and the fixed end of each plug connector is connected with the male head base. The female connecting piece comprises a female base and a plurality of positioning and lockingparts, the positioning and locking parts are of cylindrical structures, and the fixed ends of the positioning and locking parts are connected with the female base; wherein the plug connector group and the positioning locking part are in plug-in fit with each other, the peripheral surface of the plug connector group comprises a plurality of boss groups which are distributed along the longitudinaldirection, and the inner w