Coupling housing and quick-connect coupling for hoses and pipes in motor vehicles in the form of a composite structure

Coupling housing according to one of the previous claims, characterized by the fact that the connection piece (5) and the housing part (3) are connected so that they cannot rotate.

Coupling housing according to one of the previous claims, characterized by the fact that the connection piece (5) and the housing part (3) form a positive-fit connection.

Coupling housing according to one of the previous claims, characterized by the fact that the connection piece (5) and the housing part (3) form an integrated connection.

Coupling housing according to one of the previous claims, characterized by the fact that the housing part (3) contains a first through-hole (21), by the fact that a recess for accommodating a plug-type fitting (41) is provided on the first end (39) of the first through-hole (21), and by the fact that the connection piece (5) is arranged on the second end (40) of the first through-hole (21).

Coupling housing according to one of the previous claims, characterized by the fact that the connection piece (5) is partially arranged in the first through-hole (21).

Coupling housing according to one of the previous claims, characterized by the fact that the connection piece (5) contains a flange (13) on its end facing the second end (40) of the first through-hole (21).

Coupling housing according to one of the previous claims, characterized by the fact that the housing part (3) features an opening (9) that is essentially perpendicular to the longitudinal axis of the through-hole ([21]), and by the fact that a locking element (11) can be interlocked in the opening (9), with said locking element interlocking a plug-type fitting (41) that is accommodated in the first through-hole (21) in the interlocked condition.