US Patent 11594839 Plug connector assembly

A plug connector assembly for a cable includes a plug-in unit, a mating plug-in unit and a securing unit with a base part. A housing of the plug-in unit has a latching element having a free end with a latch that can be latched to a latching seat. In a released position of the securing unit, the base part abuts a bar of the plug-in unit so that movement into a locked position is blocked. The mating plug-in unit has a deflection element that deflects the base part and positions a groove in alignment with the bar, so that the bar is insertable into the groove, and the securing unit is movable into the locked position in which a locking element blocks a movement of the free end, and prevents the latch from leaving the latching seat.