Patent ID: 9638364
Date: 2017-05-02
CPC Classifications: F16D,F16J,F16L

Claim:
1. A coupling unit for a coupling device of a motor vehicle comprising: a support sleeve having a sleeve opening extending in a longitudinal direction and at least one circumferential pocket formed on an inner side; a medium-conveying plug element at least partially inserted into the support sleeve; a sliding element arranged in the pocket and movable at least in the longitudinal direction from a release position into a coupling position during the insertion of the plug element; and a sealing element disposed between the sliding element and the pocket of the support sleeve in the release position and pre-stressed towards the plug element; wherein said sealing element is released by the sliding element in the coupling position in order to close and seal a gap formed between the support sleeve and the plug element in the longitudinal direction; a first stop operable to limit at least a motion of the sliding element in an inserting direction and define the coupling position, wherein the first stop comprises an edge of the side of the pocket of the support sleeve that faces away from the inserting direction and a first stopping element configured to be inserted into the support sleeve.