DE102013015413A1 - Calibration device and contact arrangement - Google Patents

Abstract

One aspect of the present invention relates to a cable receiving device for receiving at least a portion of a flat end region of a cable designed as a stiffening element with:
A continuous opening section, through which at least part of a flat end region of a cable can be guided through the cable receiving device along a direction of passage D;
- At least one holding element, which can be achieved by the insertion of the flat end portion of the cable with a complementary retaining element of a stiffening element of the cable in frictional and / or positive engagement;
- An insertion, which is insertable along an insertion direction E in a complementary insertion of a connector, and at least one fixing element, which is achieved by the insertion of the insertion in the complementary insertion releasably in frictional and / or positive engagement with an associated complementary fixing of the connector and a contact arrangement.

Description

The present invention relates to a cable receiving device for receiving a flat end of a cable and a contact arrangement.

In many electrical or electronic devices conventionally for bus lines, for example, ribbon cables. In such a cable, a plurality of conductors are embedded in an insulating film, each coated by an insulation or applied to an insulating film, wherein the individual conductors have a small cross section and a small distance from each other. To connect such a cable, for example, with a board or an electrical or electronic device, a plug of the cable is regularly connected to a corresponding socket. At a tensile load of the cable, this can tear off the plug and make the cable unusable. Alternatively, so-called "zero-insertion-force" ("ZIF") connectors can be used, by means of which one end of a cable is inserted into the "ZIF" connector with only minimal force so that electrical contact is made. Since the connection between the cable and "ZIF" connector is already made with very little effort, the force required to release the connection is low, so that the electrical connection can be interrupted unintentionally.

It is therefore an object of the present invention to provide a device or arrangement to enable detachable electrical connections, which have an improved connection reliability with simple installation.

The object is achieved by a cable receiving device according to claim 1 and a contact arrangement according to claim 8. Preferred embodiments are subject of the dependent claims.

Cable receiving device according to one aspect

• – einem durchgängigen Öffnungsabschnitt, durch welchen entlang einer Durchführrichtung D zumindest ein Teilbereich eines flachen Endbereichs eines Kabels durch die Kabelaufnahmevorrichtung führbar ist;
• – zumindest einem Halteelement, welches durch das Einführen des flachen Endbereichs des Kabels mit einem komplementären Halteelement eines Versteifungselements des Kabels in Reibschluß und/oder Formschluß gelangbar ist;
• – einem Einführabschnitt, der entlang einer Einführrichtung E in einen komplementären Einführabschnitt eines Verbinders einführbar ist, und zumindest ein Fixierelement aufweist, welches durch das Einführen des Einführabschnitts in den komplementären Einführabschnitt lösbar in Reibschluß und/oder Formschluß mit einem zugeordneten komplementären Fixierelement des Verbinders gelangbar ist.

One aspect of the present invention relates to a cable receiving device for receiving at least a portion of a flat end region of a cable designed as a stiffening element with:

• A continuous opening section, through which at least part of a flat end region of a cable can be guided through the cable receiving device along a direction of passage D;
• - At least one holding element, which can be achieved by the insertion of the flat end portion of the cable with a complementary retaining element of a stiffening element of the cable in frictional and / or positive engagement;
• - An insertion, which is insertable along an insertion direction E in a complementary insertion of a connector, and at least one fixing element, which is achieved by the insertion of the insertion in the complementary insertion releasably in frictional and / or positive engagement with an associated complementary fixing of the connector ,

Advantageously, it is possible by means of the cable receiving device to accommodate or perform a plug-less and flat the end portion of the cable or the flat Kabelendbereich through the opening portion.

The term "flat end region" of a cable as used in the context of this invention essentially describes an arrangement of the conductors of the cable in an area near one end of the cable. In particular, the conductors in the flat end region of the cable are arranged substantially parallel, wherein the conductors are arranged in the flat end region, for example, substantially parallel to a common plane or are arranged in a common plane. It is also possible that a plurality of layers of conductors are present, wherein the conductors of a layer are arranged substantially in a common plane and the conductors of another layer are arranged substantially in a further common plane, etc. The common planes are substantially parallel to one another and preferably substantially parallel to the direction of passage D.

The end region of the cable has in particular a stiffening element, which advantageously increases the mechanical stability of the end region of the cable. The stiffening element can be releasably or non-detachably connected to the electrical lines of the cable, for example by gluing. Furthermore, the stiffening element can have electrical contact areas, which are each electrically connected to an associated electrical line of the cable, so that the electrical connection with a line of the cable takes place indirectly via the associated contact region of the stiffening element.

The end region of the cable or the stiffening element is at least partially feasible through the opening portion. In other words, the end portion of the cable may be guided along a feed-through direction D on a cable-side side of the cable-receiving device into the opening portion, in particular on the opposite or opposite, connector-side side of the cable-receiving device the inside of the cable receiving device to be contacted with the connector can be electrically.

In order to inhibit a displacement of the cable relative to the cable receiving device, in particular opposite to the feedthrough direction D, at least one holding element is provided on the cable receiving device into which an associated complementary holding element of the stiffening element of the cable can come into frictional and / or positive engagement. For example, the complementary retaining element may be formed as a projection which engages by the insertion of the cable into the opening portion with the associated, preferably designed as a recess or recess, retaining element frictionally engaged or positively. It is understood that two, three, four, five, six or more holding elements can be provided, which are designed to receive corresponding complementary holding elements. In particular, two holding elements may be provided, which are arranged on opposite or opposite sides of the opening portion.

Advantageously, the cable and cable receiving device can be easily connected or fastened to one another in a simple manner by means of the at least one retaining element and the associated complementary retaining element.

The cable receiving device has an insertion portion which can be inserted into a complementary insertion portion of the connector and fastened there to the connector. The insertion portion is disposed on the connector-side side of the cable-receiving device and has at least one fixing element which frictionally engages with an associated complementary fixing element of the connector when the insertion section is inserted into the complementary insertion section, thereby displacing the cable-receiving device relative to the connector , in particular opposite to the insertion direction E, is inhibited. For example, the fixing element may be formed as a projection which engages frictionally or positively by the insertion of the cable receiving device into the connector with the associated, preferably formed as a recess or recess, complementary fixing. Advantageously, the cable receiving device and connector can be easily connected or fastened to one another in a simple manner by means of the at least one fixing element and the associated complementary fixing element. It is understood that two, three, four, five, six or more fixing elements can be provided, which are designed to engage with corresponding complementary fixing elements into engagement.

Preferably, the feedthrough direction D and the insertion direction E are oriented parallel to one another. In particular, the end region of the cable or the stiffening element can be introduced along the insertion direction E through the opening section and at least partially into the complementary insertion section in order to electrically or indirectly contact the at least one electrical line of the cable with an associated contact element of the connector.

Preferably, a pull-out force Ke, which is necessary to release the frictional engagement and / or positive engagement between the at least one fixing element and the associated complementary fixing element is smaller than a pull-out force Kd, which is necessary to the frictional engagement and / or positive engagement between the at least to solve a holding element and the associated complementary holding element. In other words, a tensile force applied to the cable causes the connection between the connector and the cable receiving device to first loosen before the connection between the cable receiving device and the cable can be released. Advantageously, the cable receiving device remains attached to the cable and can be easily reinserted into a connector. Damage to the cable is avoided. Preferably, by a factor greater than about 1.1, preferably greater than about 1.5, more preferably greater than about 2, in particular greater than about 5 or about 10, larger force for releasing the mechanical connection between the cable and the cable receiving device necessary for releasing the mechanical connection of cable receiving device and connector. For example, the mechanical connection between the at least one fixing element and the associated complementary fixing element may be designed to be more than about 5 N, preferably more than about 10 N and in particular more than when applying a force Ke opposite to the insertion direction E to the cable receiving device about 20 N to solve.

Preferably, at least one region of the insertion section is formed as a resiliently deformable fixing element. The term "resiliently deformable", as it is understood in the context of this invention, describes that the at least one fixing after a mechanical load or elastic or plastic deformation by a force in a loading direction B substantially back to the original shape and / or Able to return. The mechanical loading or deformation of the at least one fixing element takes place, for example, during the insertion of a Part of the insertion portion of the cable receiving device along the insertion direction E in the complementary insertion of the connector, whereby by means of the wall of the complementary insertion a force in the loading direction B is applied to the at least one fixing element, which may be substantially perpendicular to the insertion direction E. The at least one fixing element brings about a correspondingly equal reaction force.

Preferably, the at least one complementary retaining element is engageable by a displacement relative to the cable receiving device along a locking direction V, which is oriented substantially perpendicular to the feedthrough direction D, with an associated holding element. In particular, the cable end or the stiffening element can be inserted force-free along the feedthrough direction D into the opening section, wherein the at least one complementary holding element, which is preferably arranged on the stiffening element or integrally formed with the stiffening element, also force-free at least partially in the associated holding element of Cable receiving device is inserted. Subsequently, the at least one complementary retaining element can be displaced along the locking direction V, in order to lock or engage it with the associated retaining element. The displacement can be effected for example by a positive guidance of the at least one complementary holding element or the cable end or the stiffening element on a wall of the opening portion or the holding element.

Preferably, the at least one retaining element has an undercut, by which a displacement of the complementary retaining element along the locking direction V is inhibited. For example, a wall of the undercut extending substantially along the locking direction V, wherein the extension direction has a component opposite to the direction of passage D. In other words, causes a displacement of the cable end against the locking direction V due to the formation of the undercut that the mechanically engaging with the undercut complementary retaining element along the feed direction D is displaced or forced out, whereby the complementary holding element is held in the associated holding element, in particular the cable is stretched against the feedthrough direction D.

Preferably, the at least one holding element are formed on a cable-side wall of the cable receiving device and the insertion section on a connector-side wall of the cable receiving device, wherein the continuous opening portion connects the cable-side wall to the connector-side wall. In particular, the at least one retaining element and / or the at least one fixing element of the insertion section can be formed integrally with the cable receiving device, for example as an injection-molded part. In particular, the opening portion may be tapered at the cable-side opening toward the inside of the cable-receiving device or along the feed-through direction D in order to facilitate insertion of the cable end.

Contact arrangement according to one aspect

• – eine erfindungsgemäße Kabelaufnahmevorrichtung;
• – ein Kabel mit zumindest einem flachen Endbereich, wobei an dem flachen Endbereich ein Versteifungselement mit zumindest einem Halteelement angeordnet ist und wobei der flache Endbereich des Kabels durch den durchgängigen Öffnungsabschnitt entlang der Durchführrichtung D durchgeführt ist und zumindest ein komplementäres Halteelement des Kabels mit einem zugeordneten Halteelement in Reibschluß und/oder Formschluß ist, insbesondere um eine Verlagerung des Kabels entgegen der Durchführrichtung zu hemmen;
• – einen Verbinder mit einem komplementären Einführabschnitt, in welchen der Einführabschnitt der Kabelaufnahmevorrichtung entlang der Einführrichtung E zumindest teilweise eingeführt ist, wobei zumindest ein Fixierelement der Kabelaufnahmevorrichtung mit einem zugeordneten komplementären Fixierelement lösbar in Reibschluß und/oder Formschluß ist.

One aspect relates to a contact arrangement comprising:

• - A cable receiving device according to the invention;
• A cable having at least one flat end region, wherein a stiffening element with at least one holding element is arranged on the flat end region and wherein the flat end region of the cable is guided through the continuous opening section along the feedthrough direction D and at least one complementary holding element of the cable with an associated holding element in frictional and / or positive engagement, in particular to inhibit a displacement of the cable against the direction of passage;
• - A connector with a complementary insertion, in which the insertion of the cable receiving device along the insertion direction E is at least partially inserted, wherein at least one fixing element of the cable receiving device with an associated complementary fixing is releasably in frictional and / or positive engagement.

Advantageously, an electrical connection between a connectorless cable and a connector can be formed by the contact arrangement in a simple and mechanically stable manner. In this case, the electrical connection can take place directly between at least one electrical line of the cable and an associated electrical contact element of the connector or indirectly via an electrical contact region of the stiffening element of the cable, wherein the at least one electrical line of the cable is electrically connected to an associated contact region of the stiffening element.

Preferably, an electrical line of the cable is at least partially guided by the continuous opening portion and contacted with an associated electrical contact element of the connector. The cable receiving device advantageously increases the mechanical stability the end of the cable and thus its handling.

Preferably, the at least one complementary retaining element and / or the at least one fixing element comprises a projection. Accordingly, the at least one complementary fixing element may be formed as a recess.

figure description

Hereinafter, a preferred embodiment will be described by way of example with reference to the accompanying drawings. It shows:

1 a perspective view of an embodiment of the contact arrangement in an arrangement state;

2 a perspective sectional view of the in 1 embodiment shown;

3 a flat end portion of the cable and

4 : a detail view of the cable receiving device.

1 shows a perspective view and 2 a perspective sectional view of a preferred embodiment of a contact arrangement 1 comprising a cable receiving device 3 into which a shallow portion of a cable 5 is inserted in a direction of passage D, wherein the cable 5 on the cable receiving device 3 is attached. An introductory section 7 the cable receiving device 3 is positioned to move along an insertion direction E into a connector 9 to be introduced. By inserting the cable 5 with the connector 9 be contacted electrically or the contact arrangement are transferred to the operating state.

The flat end of the cable 5 includes a variety of electrical conductors 11 which are arranged substantially parallel and electrically contactable. The individual electrical conductors are oriented substantially parallel to the feedthrough direction D. The flat end of the cable 5 has a stiffening element 13 on to increase the mechanical stability of the end portion of the cable and thus in particular mechanical damage during insertion of the flat end portion of the cable 5 in the cable receiving device 3 to avoid. The stiffening element 13 Can be solvable or unsolvable with the electrical conductors 11 be connected. In particular, the stiffening element 13 with the electrical conductors 11 or glued to the cable. Furthermore, the stiffening element 13 have electrical contact areas, each with an associated electrical conductor 11 are connected. In this case, the electrical conductors 11 not be electrically contacted. Rather, the electrical connection of a conductor 11 of the cable indirectly over the associated contact region of the stiffening element 13 respectively.

As in the 3 and 4 shown in detail, comprises the stiffening element 13 the embodiment shown in the figures, two complementary holding elements 15a . 15b , which with two associated holding elements 17 the cable receiving device 3 can get into engagement. For this purpose, the cable receiving device 3 a continuous opening section 19 on, through which along a feedthrough direction D at least a portion of the flat end portion of a cable 5 through the cable receiving device 3 is feasible. Is the flat end portion of the cable 5 or the stiffening element 11 from a cable side 3a the cable receiving device 3 far enough in the opening section 19 introduced, so are the complementary holding elements 15a . 15b through the associated holding elements 17 recorded and thus can get into frictional engagement and / or positive engagement, whereby a shift of the flat end portion of the cable 5 against the feedthrough direction D relative to the cable receiving device 3 is inhibited.

The complementary holding elements 15a . 15b can each be formed as a projection, which protrude in a direction perpendicular to the feedthrough direction D. By inserting the stiffening element 13 in the opening section 19 can the projections 15a . 15b at least partially substantially force-free in the associated formed as a recess or recess, holding elements 17 be introduced. By a displacement of the complementary holding elements 15a . 15b along a locking direction V, which is oriented substantially perpendicular to the feedthrough direction D, the complementary holding elements 15a . 15b with the associated holding element 17 be engaged, so that a pulling out of the stiffening element 13 is inhibited against the direction of passage D. Thus, the stiffening element can not solve unintentionally, for example, by a displacement against the locking direction V, the stiffening element 13 through the wall of the opening portion 19 be forced such that a displacement along the locking direction during insertion of the flat end of the cable 5 or the stiffening element 13 he follows.

The complementary holding elements 15a . 15b can be integral with the stiffening element 13 be educated. It is understood that three, four, five, six or more complementary retaining elements on the stiffening element 13 can be provided. However, preference is given to the cable receiving device 3 two retaining elements 17 which are arranged on opposite sides of the opening portion and are spaced apart along a direction which is oriented substantially perpendicular to the direction of passage D and the locking direction V.

Preferably, the holding elements 15a . 15b one undercut each 21 on, by which a displacement of the received therein complementary retaining element 17 is inhibited against the locking direction V. As shown, the wall of the undercut extends 21 essentially along the locking direction V, wherein the extension direction has a component opposite to the direction of passage D. This causes the displacement of the stiffening element 13 contrary to the locking direction V, that with the undercut 21 mechanically contacting complementary retaining element 15a . 15b along the feed direction D is displaced or positively driven, which is not possible in particular when the cable 5 is tensioned against the feedthrough direction D, whereby the complementary retaining element 15a . 15b in the associated holding element 17 is held.

In particular, the complementary retaining elements 15a . 15b only then from the associated holding elements 17 be removed when the stiffening element 13 is tilted or inclined relative to the feedthrough direction D, for example, about 10 degrees to about 20 degrees. This allows the complementary retaining elements 15a . 15b from an opening 23 the holding elements 17 be led out, causing the cable 5 from the cable receiving device 3 solve. The opening 23 can be performed tapered along the feedthrough direction D to the insertion of the complementary holding elements 17 in the holding elements 15a . 15b to facilitate.

The complementary holding elements 15a . 15b but also with the associated holding elements 17 lock when the stiffening element sufficiently along the direction of passage D in the opening portion 19 was introduced. As a result, in particular, a non-detachable connection between the end region of the cable 5 and the cable receiving device 3 be formed. Advantageously, the cable receiving device 3 such without the use of adhesives on the cable 5 be attached.

On the connector side 3b the cable receiving device 3 is an introductory section 7 formed, which is designed along an insertion direction E in a complementary insertion 25 of the connector 9 to be introduced. The introductory section 7 includes fixing elements 27a . 27b , which by the insertion of the insertion section 7 in the complementary insertion section 25 in engagement with associated complementary fixing elements 29a . 29b of the connector 9 reach. On the connector side 3b the cable receiving device 3 is also the flat end of the cable 5 or the stiffening element 13 accessible. In particular, the flat end of the cable 5 or the stiffening element 13 over the cable receiving device 3 protrude along the feedthrough direction D or along the insertion direction E. By inserting the cable receiving device 3 in the connector 9 get the electrical conductors 11 of the flat ends of the cable 5 in electrical contact with associated contact elements 31 of the connector 9 , With proper use of the contact arrangement 1 are the electrical conductors 11 with the associated contact elements 31 contacted and the cable receiving device 3 from pulling out against the insertion direction E from the connector 9 by the engagement of the fixing elements 27a . 27b in the complementary fixing elements 29a . 29b protected.

As shown in the figures, the fixing elements 27a . 27b each be formed as a projection, wherein the projection 27a . 27b in itself or the introduction section 7 in the area of the projections 27a . 27b are formed resilient deformable / is. During the insertion of the introduction section 7 in the complementary insertion section 25 can the fixing or projections 27a . 27b along a loading direction B are displaced or deformed to return substantially to the original shape or position when the fixing elements or projections 27a . 27b by the complementary fixing elements or recesses 29a . 29b be recorded.

The force along the loading direction B, the deformation of the fixing or projections 27a . 27b may be required during insertion through the wall of the complementary insertion section 25 of the connector 9 created and results from the force that is necessary to the insertion section 7 in the complementary insertion section 25 introduce. The size of this force depends on the steepness of the flank 33a the projections 27a . 27b , which along the insertion direction E to the connector 9 oriented. The steeper the flank 33a is relative to the insertion direction E, that is, the greater the angle that the surface of the flank 33a includes with the insertion direction E, the greater is the force required to the cable receiving device 3 to lead into the connector. For example, the area of the flank 33a with the insertion direction E include an angle of about 20 degrees to about 60 degrees.

Accordingly, the projections 27a . 27b another flank 33b which, contrary to the insertion direction E of the connector 9 is oriented away. The steeper the flank 33b is relative to the insertion direction E, that is, the greater the angle that the surface of the flank 33b includes with the insertion direction E, the greater is the force required to the cable receiving device 3 to pull out of the connector. For example, the area of the flank 33b with the insertion direction E an angle of about 20 degrees to about 90 degrees, preferably about 30 to about 60 degrees include. Is the connector-facing edge 33b steeper than the connector-facing flank 33a , as in 4 shown is the cable receiving device 3 easier in the connector 9 to introduce than to extract. In particular, when the connector facing away flank 33b with the insertion direction E includes an angle of about 90 degrees, the cable receiving device 3 not readily out of the connector 9 to be pulled. This angle is preferably the connector-facing flank 33b less than 90 degrees, especially less than about 70 degrees.

The pull-out force Ke, which is necessary to the frictional engagement and / or positive engagement between the fixing elements 27a . 27b and the associated complementary fixing elements 29a . 29b can thus solve the steepness of the flanks 33a or also about the shape of the recesses 29a . 29b be predetermined.

As described above, the stiffening element 13 depending on the configuration of the holding elements 17 and the complementary retaining elements 15a . 15b detachable or unsolvable with the cable receiving device 3 be connected. In other words, the pull-out force Kd, which is necessary to the frictional engagement and / or positive engagement between the holding elements 17 and the complementary retaining elements 15a . 15b to solve, also predetermined. For example, it can be assumed to be infinite (Kd = ∞) for a permanent connection. The pull-out force Kd can also be, for example, about 10 N, about 20 N or about 40 N.

Preferably, the pull-out force is Ke by the formation of the flanks 33a or the recesses 29a . 29b predetermined such that the pull-out force Ke is smaller than the pull-out force Kd (Ke <Kd). In other words, the mechanical connection between the cable receiving device and the connector dissolves with less force, such as pulling on the cable, than the mechanical connection between the cable and the cable receiving device. In particular, the pull-out force Kd is a factor greater than about 1.1, preferably greater than about 1.5, more preferably greater than about 2, in particular greater than about 5 or about 10, than the pull-out force Ke.

LIST OF REFERENCE NUMBERS

1

Contact configuration

3

Cable Cradle

3a

Cable-side side of the cable receiving device 3

3b

Connector side of the cable receiving device 3

5

flat end of a cable

7

insertion

9

Interconnects

11

electrical line

13

stiffener

15a, b

complementary retaining element

17

retaining element

19

opening section

21

undercut

23

opening

25

complementary introductory section

27a, b

fixing

29a, b

complementary fixation elements

31

contact element

33a

connector-facing edge

33b

connector-remote flank

B

load direction

D

Feed-through direction

e

insertion

V

locking direction

Claims (10)

Cable receiving device ( 3 ) for receiving at least a portion of a stiffening element ( 13 ) formed flat end portion of a cable ( 5 ) with: - a continuous opening section ( 19 ), through which along a feedthrough direction (D) at least a portion of the flat end portion of the cable ( 5 ) through the cable receiving device ( 3 ) is feasible; At least one holding element ( 17 ), which is achieved by inserting the flat end region of the cable ( 5 ) with a complementary retaining element ( 15a . 15b ) of a stiffening element ( 13 ) of the cable ( 5 ) Can be achieved in frictional and / or positive engagement. An introductory section ( 7 ), which along an insertion direction (E) into a complementary insertion section ( 25 ) of a connector ( 9 ) is insertable, and at least one fixing element ( 27a . 27b ), which by inserting the insertion section ( 7 ) into the complementary insertion section ( 25 ) releasably in frictional and / or positive engagement with an associated complementary fixing ( 29a . 29b ) of the connector ( 9 ) is achievable. Cable receiving device ( 3 ) according to claim 1, wherein the feedthrough direction (D) and the insertion direction (E) are oriented parallel to one another. Cable receiving device ( 3 ) according to claim 1 or 2, wherein an extraction force (Ke), which is necessary to the frictional engagement and / or positive engagement between the at least one fixing element ( 27a . 27b ) and the associated complementary fixing element ( 29a . 29b ) is smaller than a pull-out force (Kd), which is necessary to the frictional engagement and / or positive engagement between the at least one holding element ( 17 ) and the associated complementary retaining element ( 15a . 15b ) to solve. Cable receiving device ( 3 ) according to one of the preceding claims, wherein at least a portion of the insertion section ( 7 ) as a resiliently deformable fixing element ( 27a . 27b ) is trained. Cable receiving device ( 3 ) according to one of the preceding claims, wherein the at least one complementary retaining element ( 15a . 15b ) by a displacement relative to the cable receiving device ( 3 ) along a locking direction (V), which is oriented substantially perpendicular to the direction of passage (D), with the associated holding element ( 17 ) is engageable. Cable receiving device ( 3 ) according to claim 5, wherein the at least one retaining element ( 17 ) an undercut ( 21 ), by which a displacement of the complementary retaining element ( 15a . 15b ) is inhibited along the locking direction (V). Cable receiving device ( 3 ) according to one of the preceding claims, wherein the at least one retaining element ( 17 ) on a cable side wall ( 3a ) of the cable receiving device ( 3 ) and the introductory section ( 7 ) on a connector side wall ( 3b ) of the cable receiving device ( 3 ) are formed, wherein the continuous opening portion ( 19 ) the cable side wall ( 3a ) with the connector-side wall ( 3b ) connects. Contact arrangement ( 1 ) comprising: - a cable receiving device ( 3 ) according to one of the preceding claims; - a cable ( 5 ) with at least one flat end region, wherein at the flat end region a stiffening element ( 13 ) with at least one retaining element ( 15a . 15b ) and wherein the flat end portion of the cable ( 5 ) through the continuous opening portion ( 19 ) is performed along the direction of passage (D) and at least one complementary retaining element ( 15a . 15b ) of the cable with an associated holding element ( 17 ) is in frictional and / or positive engagement, - a connector ( 9 ) with a complementary insertion section ( 25 ), in which the introduction section ( 7 ) of the cable receiving device ( 3 ) is at least partially inserted along the insertion direction (E), wherein at least one fixing element ( 27a . 27b ) of the cable receiving device ( 3 ) with an associated complementary fixing element ( 29a . 29b ) is releasable in frictional and / or positive engagement. Contact arrangement ( 1 ) according to claim 8, wherein an electrical line ( 11 ) of the cable ( 5 ) at least partially through the continuous opening portion ( 19 ) and with an associated electrical contact ( 31 ) of the connector ( 9 ) is contacted. Contact arrangement ( 1 ) according to claim 8 or 9, wherein the at least one complementary retaining element ( 15a . 15b ) and / or the at least one fixing element ( 27a . 27b ) comprises a projection.

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