Patent ID: 8662543

Claim:
A plug connector for media lines, comprising a plug part having a plug shaft, which can be inserted in a plug opening of a receiving part and releasably locked via locking means, wherein the plug part has at least two spring elastic latching arms as the locking means, which extend in the insertion direction at a radial distance with respect to the plug shaft and have radially inwardly projecting catch cams at their free ends for lockingly engaging behind a latching step of the receiving part, wherein the latching arms can be spread radially outwardly by means of a release element in order to release the locking of the plug part, the release element is axially displaceably arranged on the plug part and interacts in such a way with the latching arms that the latching arms are radially spread apart by displacing the release element in that the release element acts radially from inside with a spreading force (F) provided by actuating sections against the latching arms via angular faces, the release element has axially extending release arms, which extend at least up to the area of the catch cams, in the area located radially between the latching arms and the plug shaft, wherein the actuating sections with the angular faces are arranged in such a way that the latching arms are acted upon with the spreading force (F) to release the catch cams from the receiving part.