DE102009029278A1 - Electrical contact device - Google Patents

Abstract

The invention relates to an electrical contact device (1), in particular an electrical crimp (1) or socket contact (1) for the automotive sector, with an electrical contact region (10) in which a rigid contact section (302) of a contact on the electrical contact device (1 ) connectable electrical conductor (300) is providable so that the rigid contact portion (302) directly from an electrical mating plug device (5) is electrically contacted.
Furthermore, the invention relates to a prefabricated electrical cable (3) with an electrical contact device (1) according to the invention, wherein a rigid contact portion (302) of the cable (3) preferably has an electrical contact zone (326, 327) provided or formed thereon.

Description

The invention relates to an electrical contact device, in particular an electrical crimp or socket contact for the automotive sector, with an electrical contact area. Furthermore, the invention relates to a prefabricated electrical cable with an electrical contact device according to the invention.

Formed as crimp electrical socket contacts have an electrical contact area for an electrically connectable to the socket contact line of an electrical cable, and a contact area formed in the receiving space, which serves to mate the female contact with a mating connector designed as a male connector. The receiving space usually has a bottom wall and two side walls, the free edges are bent over the bottom wall inwardly. In a plug-in position of the tab in the socket contact the bent free edges of the side walls fix the tab mechanically in the receiving space of the socket contact. At the opposite side of the receiving space of the socket contact, the electrical cable and its line is mechanically and electrically connected in each case via a crimp.

Through a simple mating of socket contact and tabs an electrical connection for the cable is realized in a short connection time. Such crimp or socket contacts find in straight and angled design for a variety of types of electrical connectors application. So z. B. crimp contacts for releasably electrically contacting printed circuit boards with a back wiring. Furthermore, crimp contacts serve the detachable contacting of electrical devices with each other or a device with an electrical network. In addition, electrical socket contacts are installed in the automotive field in a variety of applications, where they preferred with their receiving spaces comb connector, z. B. in the fuse box of the motor vehicle, releasably contact electrically.

The advancing technological development leads to the miniaturization of such electrical contact devices, which pose new problems in design and construction. The current-carrying capacity and the contact resistances in such contact devices are becoming increasingly problematic. In a conventional contact device, two electrical contact points are necessary to transfer electrical current from a contact device to the corresponding one; on the one hand, that of the electrical line in the contact device itself and on the other hand, the one between the two contact devices. The second contact device then has an electrical connection z. B. on a cable or a printed circuit board. This means that there are three contact resistances per electrical connection by means of two contact devices, which reduces the maximum current carrying capacity for given dimensions. Furthermore, in order to remain competitive, contact devices should be as inexpensive to produce and easy to further process.

The US 5,733,154 discloses an electrical crimp contact for a flexible electrical ribbon cable. For mounting a single flat conductor of the ribbon cable in both sides open crimp contact, a stripped free longitudinal end portion of the flat conductor is moved from behind coming into an electrical contact region of the crimp, wherein a free longitudinal end of the flat conductor threads in a front slot of the contact area for positioning. Subsequently, the crimp contact is crimped to the flat conductor and this additionally secured in the contact area by means of tabs. On the two longitudinal sides of the contact region is in each case an electrical contact arm, which is bent inwards on the stripped longitudinal end portion of the flat conductor. Between the contact arms and the flat conductor, an electrical tab can be accommodated.

The US 6 210 210 B1 discloses an electrical contact box for a flexible electrical ribbon cable. The contact box is open at the rear for mounting a stripped free Längsendabschnitts a flat conductor and front for the insertion of a pin electrical connector. In a mounted state of the ribbon cable on / in the contact box of the stripped free longitudinal end portion of the flat conductor protrudes through the contact box and is bent forward on the contact box, with pin plug inserted a front arranged in the contact box spring presses the pin connector on the stripped lead. At a rear end portion of the flat conductor is crimped to the contact box.

It is an object of the invention to provide an improved electrical contact device, in particular an improved crimp or socket contact for the automotive sector. According to the invention, the contact device should allow a comparatively high current carrying capacity even with small dimensions, wherein furthermore an electrical contact resistance between two corresponding populated contact devices should be minimized. The contact device should be configured correspondingly small for a small space or a tight grid. In addition, the contact device should be simple and inexpensive be produced. Furthermore, it is an object of the invention to provide a correspondingly assembled electrical cable with a contact device according to the invention.

The object of the invention is achieved by means of an electrical contact device, in particular an electrical crimp or socket contact for the automotive sector, according to claim 1; and a prefabricated electrical cable with an electrical contact device according to the invention, solved according to claim 12. Advantageous developments of the invention will become apparent from the dependent claims.

The electrical contact device according to the invention has an electrical contact region in such a way that in or on this a rigid Längsend- or contact portion of an electrical contact device connectable to the electrical conductor is providable so that the rigid contact portion is electrically contacted directly from an electrical mating plug. This can be done under a rigid contact section z. B. a compacted contact portion, a contact portion with a preferably cuboid wire end sleeve, a rigid, possibly processed Einzelellitze o. Ä. Are understood. If a compacted contact section of the conductor is used, which is preferred in embodiments of the invention, compacting is preferably carried out by an electro-welding or an ultrasonic welding method; however, compacting with a solder, preferably a brazing alloy, is also applicable.

By such trained as a direct electrical contact contact device results in similar dimensions with electrical contact devices according to the prior art, a higher current carrying capacity, wherein an electrical contact resistance between a populated contact device and a populated mating plug is minimized because the electrical mating plug the electrical conductor of the contact device contacted directly or directly electrically. The contact device is designed small for a small space or a narrow grid and is in particular because of the ability to produce this from a one-piece blank, simple and inexpensive to produce.

In embodiments of the invention, the contact device is configured such that the rigid contact section of the electrical conductor can be fastened in the contact region by means of one or a plurality of possibly cooperating fastening straps. Preferably, the contact device has at its free longitudinal end a front fastening tab and / or opposite to its free longitudinal end on the electrical contact area a rear fastening tab. By means of the front fastening tab, a free longitudinal end of the rigid contact section can be fixed in the electrical contact region, and by means of the rear fastening tab the rigid contact section can be fixed away from its free longitudinal end in the electrical contact region.

In embodiments of the invention, the electrical contact device is designed such that in an assembled state of the rigid contact portion in the contact region, the free longitudinal end of the rigid contact portion can be engaged by means of the front fastening tab. Further, the contact device may be configured such that in the assembled state of the rigid contact portion in the electrical contact region, by means of the rear fastening tab of the rigid contact portion is laterally overlapped. In this case, it is preferred that the front and the rear attachment tab are located on opposite sides of the contact area and that they can also be bent in different directions, which are preferably at a right angle to each other.

Preferably, the contact device on two rear mounting tabs which are arranged parallel to each other and in fixing the rigid contact portion in the contact region in opposite directions to the rigid contact portion or the line are bendable. In this case, it is preferred that, on the one hand, the two rear fastening straps lie directly opposite each other in a substantially parallel manner and, on the other hand, the front fastening strap is arranged at a substantially right angle with respect to the rear fastening straps. Ie. the rear fastening tabs project from being bent parallel to a respective side wall of the contact device, whereas the front fastening tab extends longitudinally forwardly away from the contact device in a non-bent state, or is disposed in a bent condition substantially perpendicular to the side walls.

The electrical contact region of the contact device preferably has a contact cage, in which the rigid contact portion of the electrical line is receivable. Here, the contact cage may be configured such that in the assembled state of the rigid contact portion in the contact cage, the rigid contact portion extends substantially over an entire length along the contact cage. In this case, the contact cage preferably has, starting from a bottom wall, the side wall which is essentially perpendicular thereto and whose free edge is bent inward toward the contact tab in the electrical contact region. In preferred embodiments of the invention For example, the contact device has two side walls with free edges bent inward toward contact tabs.

In embodiments of the invention, the electrical contact region of the contact device can have a positioning tab, by means of which the rigid contact section of the electrical line can be positioned in the electrical contact region during provision or mounting. Preferably, the positioning tab extends from the free end of the contact device inwards into the contact area. There are preferably provided two mutually directly opposite positioning tabs, between which then a portion, preferably a free longitudinal end portion or a free end of the rigid contact portion of the electrical line can be positioned with a small clearance.

Here, the positioning tab defines a space within the contact area, in which then the rigid contact portion is placeable, this space gets through the positioning tab a dimension that is slightly larger than a corresponding dimension of the rigid contact portion. Apart from their connection to the contact region or the contact device, the positioning tab preferably lies in a plane with a contact tab and preferably also in a plane with a section of the contact device away from the contact region, in which the electrical line and / or the cable together can be positioned with its electrical insulation. As a result, a substantially parallel alignment of the rigid contact portion on or in the contact device is ensured.

In embodiments of the invention, the contract tab defines a receiving space for the electrical mating connector. In the inserted into the contact device state of the mating connector, by means of the contact tab, the mating plug against the mountable in the electrical contact area rigid contact portion can be pressed. Further, the rigid contact portion when mounted in the contact cage, coming from an open side of the contact cage be providable on the bottom wall, wherein the rigid contact portion is positionable by means of the contact tab and / or the positioning tab and / or the fastening tab in the contact area.

Preferably, the electrical contact device is punched out of a tin-plated sheet metal in one piece and is then bent to form a cable of the electrical cable; d. H. also that the later contact device is formed materially in one piece. In this case, the fastening tabs are not or only partially bent. So stand the rear mounting tabs upwards from the respective side wall. The front fastening tab can also assume such a position or it is still in a plane of the bottom wall. In particular, the positioning tabs and the contact tabs are already bent into their future position.

A ready-made electrical cable has a contact device according to the invention, wherein the contact device is fastened in particular by means of crimping on the cable. A rigid contact portion of the cable is held by the positioning tab or the positioning tabs properly oriented in an electrical contact region of the contact device and fixed by means of the fastening tab or the mounting tabs on / in the contact device. The rigid contact section preferably has one or a plurality of electrical contact zones provided or formed thereon, which interact with electrical contact zones of contact tabs of the contact region when an electrical mating plug device is inserted into the contact device according to the invention.

The invention will be explained in more detail below with reference to embodiments with reference to the accompanying drawings. In the detailed drawing show:

1 a perspective view of an electrical contact device according to the invention;

2 a sectional side view of the contact device according to the invention when mating with an electrical mating connector;

3 a plan view of the contact device according to the invention;

4 a front-side view of the contact device according to the invention along a in 3 marked line;

5 a perspective view of a rigid contact portion of an electrical cable of a cable; and

6 a plan view of a non-collapsed blank of the contact device according to the invention.

The invention will be explained in more detail below with reference to an electrical socket contact for an electrical connector system in the automotive sector. However, the invention should not be limited to such an electrical socket contact, but other electrical Contacts such. As crimp contacts, tabs, hermaphrodites, but also tabs o. Ä. Relate. In principle, the invention is applicable wherever a rigid or rigid contact portion of an electrical line of a mating plug device should be electrically contacted directly. Here, the electrical mating connector is constructed corresponding to the contact device according to the invention and is preferably designed as a tab, a tab, a tongue, a pin connector, a hermaphrodite o. Ä.

In the following, if a front part or section or a rear part or section of the electrical contact device or the socket contact is mentioned, so should be referred to the front, a position on the socket contact, which in the vicinity of a free end of a contact cage of the Socket contact is located. Accordingly, the rear means a position on the socket contact, which is located away from the free end of the contact cage and which, in the case of a pre-assembled with the socket contact cable, closer or closer to an electrical insulation of the cable. Furthermore, the contact cage of the socket contact is open at the top and closed at the bottom by a bottom wall.

An in 1 in a perspective view obliquely from above inventive electrical socket contact 1 has a front electrical contact area 10 for electrically contacting a tongue 5 (please refer 2 ) on. Furthermore, the socket contact has 1 a rear attachment section 20 for mechanical connection with an electrical cable 3 , Between the contact area 10 and the attachment portion 20 can be a transitional section 15 to be available. According to the invention, the socket contact 1 designed as a direct contact device; ie an electrical conductor 300 of the cable 3 is on or in contact with the socket 1 so predictable that this from the tongue 5 directly mechanically and thus electrically contacted, and so a direct electrical connection between the tongue 5 and the leader 300 is possible. Although it is preferred that the socket contact 1 is made of an electrically conductive material, but it is not necessary. So it is z. As cost reasons possible to dispense with a particularly good electrically conductive material and instead to use a cheaper, which conducts electricity less well. In general, it is possible the material of the socket contact 1 not only to select according to its electrical conductivity, but also according to other criteria, such. B. mechanical strength.

The rear section of the electrical socket contact 1 can be a first crimping section 220 - Conductor Crimping section 220 - for crimping the conductor 300 of the electric cable 3 exhibit. In other embodiments of the invention, this portion may also be missing or as a portion for welding or soldering the electrical conductor 300 be formed (both not shown in the drawing). Further, the rear portion of the socket contact 1 a second crimping section 230 - Insulation crimp section 230 - For crimping an electrical insulation 310 of the cable 3 on. In addition, the socket contact 1 at the rear end of the second crimping section 230 a carrier (not shown in the drawing), by means of which a blank (see 6 ) of the socket contact 1 can be transported out of a sheet after punching and held for a Zurechtbiegen. Further, the carrier may be in a cable assembly 3 a stop of the socket contact 1 serve. Later, the carrier is disconnected.

The front section of the electrical socket contact 1 has to contact the tongue 5 a contact cage 100 on, essentially the electrical contact area 10 of the socket contact 1 includes. A bottom wall 110 of the contact cage 100 is with a bottom wall 210 of the first crimping section 180 integrally connected. In the contact cage 100 is the electrical plug 5 insertable, with an electrically conductive connection between the tongue 5 and the electrical conductor 300 and depending on a material of the socket contact 1 can also be produced with this. At the transition between the contact box 100 and the first crimping section 220 is located adjacent to a respective side wall 120 of the contact cage 100 , each a stiffening web 150 , In the present embodiment, the stiffening webs are located 150 at a rear portion of the contact area 10 or at least partially already belong to the transition section 15 ,

Starting from the bottom wall 110 has the contact cage 100 on its sides in the longitudinal direction L of the socket contact 1 one each substantially vertically projecting side wall 120 on, being between bottom wall 110 and respective side wall 120 a transition area 112 is provided. This results in a substantially U-shaped cross-section of the contact cage 100 what's best in 4 you can see. A respective free edge 124 the two side walls 120 is inward towards the bottom wall 110 zugebogen, which in each case a contact tab 124 forms. Here is the respective side wall 120 over a cross-section as a 180 ° arc (see 4 ) formed transition area 122 in the relevant contact strap 124 above. The contact tabs 124 protrude into the contact cage 100 into and limit a recording room 102 for the tongue 5 up. Ie. in a plug position of the tongue 5 in the contact cage 100 what in the 4 is shown in dashed lines, lies the tongue 5 with its top on the bent free transverse ends of the contact tabs 124 at.

On the bottom wall 110 of the contact cage 100 is coming from above and through the contact tabs 124 guided, a rigid or rigid contact portion 302 of the electrical conductor 300 can be positioned and fastened. Here is the contact section 302 preferably a compacted contact section 302 , which is best in 5 you can see; see also below. Ie. the contact section 302 is solid and offers strong resistance to deformation. When advancing the rigid contact section 302 in the contact cage 100 into, this is made of positioning tabs 140 in the middle of the bottom wall 110 positioned.

A respective positioning tab 140 , please refer 1 . 4 and 6 , It extends in the longitudinal direction L of a free longitudinal end 101 of the socket contact 1 inside in the contact cage 100 into it. The respective positioning tab 140 is with the relevant side wall 120 over a cross-section as a 180 ° arc 142 trained connection 142 integrally formed. Furthermore, the contact cage 100 also on its rear side positioning tabs having such a construction (not shown in the drawing). Furthermore, it is possible, for. B. by means of a punch in the form of a tab from the respective side wall 120 to the inside or a recess in the relevant side wall 120 also inside more positioning options for the rigid contact section 302 to provide (both not shown in the drawing).

Like in the 4 to recognize the respective positioning tab 140 with a relevant contact tab 124 , wherein the distance between the respective positioning tab 140 and the contact tab in question 124 is chosen such that on the one hand the insertion of the tongue 5 is not hindered and on the other hand, the rigid contact portion 302 of the electrical conductor 300 usually without tilting of the contact tabs 124 guided between the positioning tabs 140 arrives. Ie. preferred is a height of a cross section of the rigid contact portion 302 greater than a direct distance from the respective positioning tab 140 to the relevant contact lug 124 , Between the inserted and fixed (see below) rigid contact section 302 the electric wire 300 and the free transverse ends of the contact tab 124 then forms the recording room 102 for the tongue 5 out.

At a free longitudinal end 301 of the rigid contact section 302 opposite side is the contact section 302 of the leader 300 and / or the electrical conductor 300 and / or an electrically insulated portion of the cable 3 also substantially centered with respect to the socket contact 1 positionable, wherein the rigid contact portion 302 then correctly oriented in the socket contact 1 can be attached. The additional positioning takes place z. B. by means of bent but not yet crimped or even by means of crimped Crimpfahnen 222 . 232 , the best in the 6 , but are shown in a not bent up and not crimped state. Further, it is possible to connect the connecting portion 15 make correspondingly tight, so that a centering of the rigid contact section 302 and / or the leader 300 results. Furthermore, the possibilities indicated above are applicable.

An attachment of the rigid contact section 302 of the electrical conductor 300 in or at the socket contact 1 takes place by means of fastening straps 130 . 134 , These hold the contact section 302 on the bottom wall 110 while the positioning tabs 140 and any other means of doing so, along with the crimped crimping flags 222 . 232 the rigid contact section 302 in position in the other directions, and also the electrical cable 3 at the socket contact 1 Fasten. One each fastening strap 130 . 134 acts with a section of the bottom wall 110 together, wherein a corresponding portion of the rigid contact portion 302 between the respective fastening strap 130 . 134 and the respective section of the bottom wall 110 is trapped.

The socket contact 1 has a front fastening strap 130 on which the free end 301 of the rigid contact section 302 of the leader 300 positioned and together with other means of socket contact 1 (Positioning tabs 140 , rear fastening straps 134 (see below), crimp (s)) in socket contact 1 attached. In this case, the front fastening strap extends 130 in the blank of the socket contact 1 , please refer 6 , in the longitudinal direction L forward center of the bottom wall 110 path. After bending the socket contact 1 for a dressmaker, the fastening strap stands 130 exclusively substantially perpendicular to the bottom wall 210 from (not shown in the drawing), is substantially perpendicular to the two side walls 120 arranged and limits the socket contact 1 to the front, ie an outer side of the front mounting strap 130 forms an area of the free end 101 of the socket contact 1 , When the front fastening strap is closed 130 engages over a free longitudinal end portion of the front fastening tab 130 the free longitudinal end 301 of the rigid contact section 302 and prevents it from moving upwards.

Furthermore, the stiffening webs 150 one rear fastening strap each 134 on, in a delivery condition of the socket contact 1 , that is, prior to assembly, stand up and essentially with the respective stiffening web 150 aligned (not shown in the drawing). Here are the two rear attachment tabs 134 in a direction perpendicular to the longitudinal direction L substantially congruent to each other and are bendable towards each other. It is of course possible in embodiments of the invention, the rear fastening tabs 134 offset from each other to arrange, or only a single rear mounting strap 134 to provide, the free longitudinal end portion may possibly be longer. Also, the use of several rear mounting straps 134 each stiffening bar 150 is possible. For each closed rear mounting strap 134 engages over a free longitudinal end portion of the relevant rear fastening strap 134 the rigid contact section 302 or even the line 300 and prevents him or her from moving upwards.

On delivery, the socket contact is 1 preferred except for the open Crimpfahnen 222 . 232 and the upstanding mounting tabs 130 . 134 completely bent. Will now be the rigid contact section 302 the line 300 in the socket contact 1 placed, so limits the front mounting strap 130 the freedom of movement of the contact section 302 in the longitudinal direction L to the front. Is the rigid contact section 302 at the very front in the socket contact 1 housed, it lies so inside on the bent front fastening tab 130 on, so can the attachment tabs 130 . 134 and also the Crimpfahnen 222 . 232 getting closed. This can in principle be done in any desired order, but it is preferred, first the conductor crimping section 220 (if present), then the insulation crimp section 230 and then the attachment tabs 130 . 134 close, with the attachment tabs 130 . 134 preferably be bent at the same time in an approximately 90 ° angle.

In the 2 and 5 is the rigid contact section 302 of the electric cable 3 clearly visible. Here is the contact section 302 preferably, a compacted contact section produced by a compacting welding process 302 the electric wire 300 of the cable 3 , Here, in one operation, the existing of a plurality of individual wires line 300 to a massive block, the rigid contact section 302 , compacted. When compacting or in a subsequent operation are preferably electrical contact zones 326 . 327 , z. B. as elevations, convex portions, projections o. Ä., On or on the rigid contact portion 302 intended.

It is particularly preferred that a height of the contact zones 326 . 327 with respect to a remaining level of a boundary of the rigid contact portion 302 is at least slightly greater than a thickness of the sheet from the blank of the socket contact 1 is punched, or is greater than a thickness of the front fastening tab 130 in its front bent longitudinal end portion. These defined contact zones 326 . 327 , two of which are preferred, serve a major transfer of electrical current into the tongue 5 , Should the socket contact 1 be constructed of an electrically non-conductive material, the transfer of electrical current takes place exclusively via the electrical contact zones 326 . 327 of the contact section 320 in the tongue 5 ,

Corresponding to the respective contact zones 326 . 327 of the rigid contact section 302 has the contact flap in question 124 also electrical contact zones 126 . 127 on. These can be z. B. each as a survey, a knob, a convex portion, a rib, a projection o. Ä. Be formed. For a later assembled electrical cable 3 as it is z. B. in the 2 is shown, it is preferred that the rear contact zone 327 of the rigid contact section 302 of the leader 300 and the respective rear contact zone 127 the contact tabs 124 are provided in the longitudinal direction L to each other so that they are substantially opposite, or the contact zone 127 slightly before contact zone 327 lies. Furthermore, it is preferred that the front contact zone 326 of the rigid contact section 302 of the leader 300 behind the front contact zone 126 the contact tabs 124 lies.

LIST OF REFERENCE NUMBERS

1

electrical contact device; Direct contact means; in particular crimp contact, socket contact, blade receptacle, hermaphrodite

3

electric cable, electric cable

5

electrical mating plug device for contact device; especially tabs, tab, tongue, pin connector, mating connector, hermaphrodite

10

electrical contact area

15

Transition section

20

Mounting section for the electrical cable 3 , in particular crimp section

100

Contact cage, contact box; electrical / non-electric

101

free longitudinal end of the electrical contact device 1 or the contact cage 100

102

Receiving space for the mating device 5

110

Bottom wall, wall

112

Transition area between bottom wall 110 and side wall 120 , Wall, 90 ° bend

120

Sidewall, wall

122

Transition area between side wall 120 and contact lug 124 , 180 ° bend

124

Contact tab (electric / non-electric), free edge of the side wall 120

126

(first) electrical contact zone; z. B.: Elevation, knob, convex portion, rib, protrusion

127

(second) electrical contact zone; z. B.: Elevation, knob, convex portion, rib, protrusion

130

Fastening strap, front

134

Fastening strap, rear

140

positioning tab

142

Connection of the positioning tab 140 to the side wall 120 , 180 ° bend

150

reinforcing web

210

Bottom wall, wall

220

first crimping section, conductor crimping section for the electrical conductor 300 the line 3

222

Crimpfahne

230

second crimping section, insulation crimping section for a sheathing of a cable

232

Crimpfahne

300

electrical conductor, wire, soul

301

free longitudinal end of the electrical conductor 300 or the rigid contact section 302 of the leader 300

302

rigid, preferably compacted contact or longitudinal end portion of the electrical conductor 300

310

electrical insulation of the pipe 3

326

(first) electrical contact zone; z. B: elevation, convex section, projection

327

(second) electrical contact zone; z. B: elevation, convex section, projection

L

Longitudinal axis, longitudinal direction

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• US 5733154 [0005]
• US 6210210 B1 [0006]

Claims (12)

Electrical contact device, in particular electrical crimp ( 1 ) or socket contact ( 1 ) for the automotive sector, with an electrical contact area ( 10 ), in which a rigid contact section ( 302 ) one at the electrical contact device ( 1 ) connectable electrical conductor ( 300 ) is providable such that the rigid contact section ( 302 ) directly from an electrical mating device ( 5 ) is electrically contactable. Electrical contact device according to claim 1, wherein the contact device ( 1 ) at least one fastening tab ( 130 . 134 ), by means of which the rigid contact section ( 302 ) in the electrical contact area ( 10 ) is attachable. Electrical contact device according to claim 1 or 2, wherein the contact device ( 1 ) at its free longitudinal end ( 101 ) a front fastening tab ( 130 ), by means of which a free longitudinal end ( 301 ) of the rigid contact section ( 302 ) in the electrical contact area ( 10 ) is holdable, wherein the contact device ( 1 ) is configured such that in a mounting state of the rigid contact portion ( 302 ) in the electrical contact area ( 10 ), by means of the front fastening tab ( 130 ) prefers the free longitudinal end ( 301 ) of the rigid contact section ( 302 ) is umgreifbar. Electrical contact device according to one of claims 1 to 3, wherein the contact device ( 1 ) at the electrical contact area ( 10 ) opposite to its free longitudinal end ( 101 ) a rear fastening tab ( 134 ), by means of which the rigid contact section ( 302 ) in the electrical contact area ( 10 ) is holdable, wherein the contact device ( 1 ) is configured such that in the assembled state of the rigid contact portion ( 302 ) in the electrical contact area ( 10 ), by means of the rear fastening strap ( 130 ) the rigid contact section ( 302 ) is preferably overlapped laterally. Electrical contact device according to one of claims 1 to 4, wherein the contact device ( 1 ) two rear fastening straps ( 134 ), which are arranged parallel to each other and when attaching the rigid contact portion ( 302 ) in the electrical contact area ( 10 ) in opposite directions on the rigid contact portion ( 302 ) are bendable. Electrical contact device according to one of claims 1 to 5, wherein the electrical contact area ( 10 ) a positioning tab ( 140 ), by means of which the rigid contact section ( 302 ) when providing in the electrical contact area ( 10 ) is positionable. Electrical contact device according to one of claims 1 to 6, wherein the positioning tab ( 140 ) starting from the free end ( 101 ) of the contact device ( 1 ) inwardly into the electrical contact area ( 10 ), wherein preferably two opposing positioning tabs ( 140 ) are provided. Electrical contact device according to one of claims 1 to 7, wherein the electrical contact region ( 10 ) a contact cage ( 100 ), in which the rigid contact section ( 302 ) is receivable, and the contact cage ( 100 ) is configured such that in the assembled state of the rigid contact portion ( 302 ) in the contact cage ( 100 ), the rigid contact section ( 302 ) substantially over an entire length along the contact cage ( 100 ). Electrical contact device according to one of claims 1 to 8, wherein the contact cage ( 100 ) starting from a bottom wall ( 110 ) a substantially perpendicular thereto side wall ( 120 ) whose free edge ( 124 ) to a contact tab ( 124 ) inwardly into the electrical contact area ( 10 ) is bent back, and the contact device ( 1 ) preferably two side walls ( 120 ) to contact tabs ( 124 ) bent free edges ( 124 ) having. Electrical contact device according to one of claims 1 to 9, wherein the contract flap ( 124 ) on the one hand a receiving space ( 102 ) for the mating device ( 5 ) and in the contact device ( 1 ) plugged state of the electrical mating device ( 5 ), by means of the contact tab ( 124 ) the mating device ( 5 ) against the in the electrical contact area ( 10 ) mountable rigid contact section ( 302 ) is pressed on the other hand, the contact tab ( 124 ) preferably substantially in one plane with a positioning tab ( 140 ) is provided. Electrical contact device according to one of claims 1 to 10, wherein the contact device ( 1 ) is configured such that the rigid contact section ( 302 ) when mounted in the contact cage ( 100 ), from an open side of the contact cage ( 100 ) coming on the bottom wall ( 110 ) and the rigid contact section ( 302 ) by means of the contact tab ( 124 ) and / or the positioning tab ( 140 ) and / or the fastening tab ( 130 . 134 ) in the contact area ( 10 ) is positionable. Prefabricated electrical cable with an electrical contact device ( 1 ) after one of the Claims 1 to 11, wherein a rigid contact section ( 302 ) of the cable ( 3 ) preferably has an electrical contact zone provided or formed thereon ( 326 . 327 ) owns.

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