Plug-in coupling for the fluidically sealed insertion of pipes

The invention relates to a plug-in coupling for the fluidically sealed insertion of pipes, especially of pneumatic pipes in the case of central locking systems on motor vehicles. In order to create a plug-in coupling which, with respect to the mechanical sequence of the insertion process, can be ins...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BALLHAUSE,LUTZ, KRIMMER,ERWIN, FEICHTIGER,DIETER, HOFFMANN,RUEDIGER, ZEIDLER,MANFRED, HEIMBRODT,KLAUS-J
Format: Patent
Sprache:eng ; ger
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Beschreibung
Zusammenfassung:The invention relates to a plug-in coupling for the fluidically sealed insertion of pipes, especially of pneumatic pipes in the case of central locking systems on motor vehicles. In order to create a plug-in coupling which, with respect to the mechanical sequence of the insertion process, can be installed more easily and quickly and, with respect to its sealing function, more reliably, the invention provides that the sealing part is provided internally with circumferential lips which, in the non-stressed state, extend in the insertion direction of the pipe, and that the connecting piece consists of a transparent material, at least in the region of the base of the recess. In order to accommodate displacement volumes of the sealing part, the connecting piece of the plug-in coupling is provided internally, and/or the sealing part is provided externally, with grooves or recesses which preferably extend in the circumferential direction.