Connector and connector assembly and method for producing a connector

1. A connector for a fluid line comprising a connector housing which has a fluid duct extending away from a first opening, wherein a locking device having a locking housing and a locking element is provided in a region of the first opening, wherein the locking housing encloses the connector housing in the region of the first opening with respect to the fluid duct in a peripheral direction such that an annular gap, which surrounds the first opening concentrically, is formed between the connector housing and the locking housing in order to receive a substantially cylindrical connecting branch, and wherein the locking element juts with at least one holding portion in an elastically resilient manner into the annular gap, wherein the locking housing is a component which is separate from the connector housing and which, at least in a longitudinal direction (L) of the fluid duct, is held on the connector housing in the region of the first opening, and wherein on an outer side of the connector housing is provided at least one radially outwardly protruding seal, running in the peripheral direction around the connector housing, wherein the seal is arranged in the annular gap, wherein the seal is arranged in a peripherally circumferential groove.

2. The connector as claimed in claim 1 , wherein the locking housing is fixed to the connector housing via a positive and/or integrally bonded connection.

3. The connector as claimed in claim 2 , wherein the connection is a latching mechanism.

4. The connector as claimed in claim 1 , wherein the locking housing has at an end facing away from the first opening of the fluid duct has a radially inwardly jutting collar, which is fixed to the connector housing.

5. The connector as claimed in claim 1 , wherein the annular gap tapers at least in some sections, in the longitudinal direction (L) of the fluid duct, away from the first opening.

6. The connector as claimed in claim 1 , wherein an inner side of the locking housing that is facing toward the connector housing is at least in part configured such that the inner side of the locking housing tapers conically away from the first opening.

7. The connector as claimed in claim 1 , wherein the connector housing is of cylindrical configuration, and the locking element is of partially annular, annular or, U-shaped configuration.

8. The connector as claimed in claim 1 , wherein the locking element is a clamp which at least in part encloses the locking housing in the peripheral direction and juts with the at least one holding portion from a radial outer side into the annular gap.

9. The connector as claimed in claim 1 , wherein the locking element has at least two holding portions, which are arranged evenly distributed in the peripheral direction.

10. The connector as claimed in claim 1 , wherein the at least one holding portion is movable between an assembly position, in which the holding portions do not jut into the annular gap, and a locking position, in which the holding portions do not jut into the annular gap.

11. The connector as claimed in claim 1 , wherein the fluid duct extends from the first opening to a second opening.

12. A connector assembly for a fluid line, comprising a connector as claimed in claim 1 and comprising a connecting branch which has a peripherally circumferential connector portion, wherein the connector portion juts into the annular gap and has at least one holding geometry, with which the at least one holding portion of the locking element cooperates and holds the connector and the connecting branch, at least in the longitudinal direction (L) of the fluid duct, relative to one another.

13. The connector assembly as claimed in claim 12 , wherein a free end of the connector portion is tapered conically toward the free end, wherein an outer face of the free end of the connector portion is of tapered configuration.

14. A method for producing a connector, comprising the following steps:

a) provision of a connector housing,

b) provision of a locking device having a locking housing and a locking element,

c) integrally bonded and/or positive connection of the locking housing to the connector housing, so that a peripherally circumferential annular gap, which is open to a first opening, is formed between the connector housing and the locking housing in order to receive a substantially cylindrical connecting branch,

wherein, following the connection of the locking housing to the connector housing, on the connector housing a radially outwardly protruding seal, running in the peripheral direction around the connector housing, is arranged in the annular gap, wherein the seal is arranged in a peripherally circumferential groove.