Ball joint assembly

The utility model belongs to the technical field of automobile parts, and particularly relates to a ball joint assembly which solves the problems that in the prior art, mounting and dismounting are inconvenient, and jamming is prone to occurring, and the ball joint assembly comprises a connecting mounting mechanism, a rotary lubricating mechanism, a screw plug, a right half shell and a round joint. The left half shell is fixedly connected to the top of the screw plug, two symmetrically-arranged sliding shafts are slidably connected to the interior of the left half shell, one end of each sliding shaft is fixedly connected with a sliding button, one side of each sliding shaft is fixedly connected with a connecting rod, and a round connector is placed on the left half shell through the arrangement of the connecting mounting mechanism, the left half shell and other structures; the two sliding knobs are pulled to drive the four ejector blocks to retract, then the right half shell is placed on the left half shell,