EP2571109A1 - Connector - Google Patents

Abstract

The connector has a socket side (1) with an insulating socket housing (10) receiving socket elements (2) having socket portions (20) and contact portions for connecting to a multipolar cable. A wall (32) extends from a contact surface (31) of a plug housing (30) or the socket housing, where the wall partly surrounds pin portions (40) of plug elements (4). The socket portions or the pin portions lie in an opening (12), where the cross-section of the wall perpendicular to a plug direction (S) matches the cross-section of the opening, and the wall protrudes into the opening in a plugged state.

Description

TECHNICAL AREA

The present invention relates to a multiple connector according to the preamble of claim 1.

STATE OF THE ART

Multiple or multi-pole connectors comprising a plurality of parallel connections are known in the art. In this case, a plurality of electrical connections, in particular different polarity, can be provided with a single plug-in operation.

For example, the shows US 2006/0110978 Such a connector, wherein the individual modules are connected to each other via a dovetail connection.

Also, a system of the applicant is known under the product name CT-E8-2, in which case two poles can be used in a contact carrier.

Practice has shown that problems can arise with increasing number of poles during insertion. In particular, tilting is mentioned here, which in some cases even makes it impossible to manufacture the plug connection between the socket side and the plug side. The tilting can also lead to the fact that the electrically conductive elements of the female side or the connector side are damaged and so a successful mating operation is impossible.

PRESENTATION OF THE INVENTION

Based on this prior art, the invention has for its object to provide a multiple or multi-pin connector, which overcomes the disadvantages of the prior art. In particular, the connector should be easier and with greater reliability to produce.

Such a problem is solved by a multiple connector according to claim 1. Accordingly, a detachable multiple connector comprises a female side with an electrically insulating female housing and with a plurality of female members embedded in the female housing with a female portion and a contact portion for electrically conductive connection to an external element, in particular a multi-pole cable , and a plug side with an electrically insulating plug housing and with a plurality of recessed in the plug housing plug elements with a pin portion and a contact portion for electrically conductive connection to an external element, in particular a multi-pole cable. The socket housing can be plugged together with the plug housing along a plug-in direction, wherein in the assembled state, the pin sections of the plug elements project into the socket sections of the socket elements, so that an electrical contact can be communicated between socket side and plug side via socket section and pin section. In each case a mating plug element and socket element form a pole. Socket housing and connector housing each have a contact surface over which socket housing and connector housing in the assembled state in contact. From the contact surface of the plug housing or the socket housing, a wall which at least partially surrounds the pin sections or the socket sections, which likewise extend beyond the contact surface out of the corresponding housing, extends. From the contact surface without the wall, an opening extends into the socket housing or the plug housing, in which opening the socket sections or the pin sections lie, wherein the cross section of the wall in the direction perpendicular to the plug-in direction fits the cross section of the opening in the direction perpendicular to the plugging direction is and the wall in the assembled state protrudes into the opening.

Due to the arrangement of the wall and the opening, the socket elements or plug elements located in the region of the wall are protected against mechanical influences, so that bending of the socket elements or plug elements can not occur, thus preventing plugging together being impossible. As a result, greater reliability is achieved.

Preferably, the wall projects completely into the opening, which provides a compact connection between the socket side and the plug side.

In a preferred embodiment, the wall extends from the contact surface of the plug housing and the opening extends from the contact surface of the female housing into the female housing. Consequently, the wall surrounds parts of the plug elements and in the opening, the socket elements are arranged. It is a very simple configuration.

Preferably, the plug elements or the socket elements seen from the contact surface are formed shorter than the wall, so that the plug elements or the socket elements do not protrude beyond the wall. Preferably, the plug elements or the socket elements seen from the bottom of the opening are formed shorter than the depth of the opening from the contact surface to the bottom, so that the plug elements or the socket elements are arranged completely in the opening. Thus, it is ensured that during mating, the female side is aligned to the male side through the mating wall and aperture before the parts responsible for the electrical contact come into contact with each other, further increasing reliability.

The wall preferably has a plurality of grooves extending parallel to the pin portions and the sleeve portions, respectively, the grooves providing a recess and a comb extending from the recess. The grooves preferably surround at least partially a sleeve element or plug element running parallel to the direction of the groove. It can also be said that the socket elements or the plug elements are arranged at least partially in the groove.

Preferably, at least one of the side walls defining the opening for receiving the wall has a plurality of grooves extending parallel to the pin portions and the sleeve portions, respectively, the grooves providing a recess and a comb extending from the recess. The grooves preferably surround at least partially a sleeve element or plug element running parallel to the direction of the groove.

The grooves are concave rounded and surround each part of the contact elements or the socket elements seen in cross-section semicircular, wherein per groove preferably a respective female element or plug element is arranged.

Preferably, in the mated state between the socket side and plug side each have a groove in the wall and a correspondingly arranged groove in the side wall of the opening provided by a limited channel channel which completely surrounds parts of socket elements and parts of plug elements, in particular the socket sections and the pin sections ,

The electrical contact between the socket element and the plug element is preferably seen with respect to the insertion direction in the region of the opening or the wall or in the channel, in particular in a region which lies centrally in the opening or the wall.

Preferably, the wall is provided with openings and the opening is provided with reinforcing ribs, wherein in the assembled state, the connecting ribs protrude into the openings.

On the female housing and the connector housing, an encoding element is preferably arranged in each case, wherein the coding element is preferably arranged on at least one of the side walls, which delimit the opening, and on a respective side of this wall on the wall depending on a coding element. Alternatively, said apertures and the reinforcing ribs provide an encoding element.

The bush elements or the plug elements are arranged in a receptacle opening in the socket housing or in the plug housing assigned to the respective socket element or the plug element, wherein the socket elements or the plug elements have a storage section arranged between contact section and socket section or between contact section and pin section.

Further embodiments are given in the dependent claims.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1

eine perspektivische Ansicht eines Buchsenelementes für einen Steckverbinder gemäss einer Ausführungsform der vorliegenden Erfindung;

Fig. 2

eine weitere perspektivische Ansicht nach der Figur 1;

Fig. 3

eine Schnittdarstellung des Buchsenelementes nach der Figur 1 und 2;

Fig. 4

eine perspektivische Ansicht eines Steckerelementes für einen Steckverbinder gemäss einer Ausführungsform der vorliegenden Verbindung;

Fig. 5

eine weitere perspektivische Ansicht nach der Figur 4;

Fig. 6

eine Schnittdarstellung des Steckerelementes nach der Figur 4 und 5;

Fig. 7

eine Schnittdarstellung des Steckverbinders mit einem Buchsenelement nach Figuren 1 bis 3 und einem Steckerelement nach Figuren 4 bis 6;

Fig. 8

ein mögliches Einsatzbeispiel eines mehrpoligen Steckverbinders nach den vorherigen Figuren.

Preferred embodiments of the invention will be described below with reference to the drawings, which are given by way of illustration only and are not to be interpreted as limiting. In the drawings show:

Fig. 1

a perspective view of a female connector for a connector according to an embodiment of the present invention;

Fig. 2

another perspective view of the FIG. 1 ;

Fig. 3

a sectional view of the female member after the FIGS. 1 and 2 ;

Fig. 4

a perspective view of a plug element for a connector according to an embodiment of the present invention;

Fig. 5

another perspective view of the FIG. 4 ;

Fig. 6

a sectional view of the plug element after the FIGS. 4 and 5 ;

Fig. 7

a sectional view of the connector with a female element after FIGS. 1 to 3 and a plug element FIGS. 4 to 6 ;

Fig. 8

a possible application example of a multi-pin connector according to the previous figures.

DESCRIPTION OF PREFERRED EMBODIMENTS

In the FIGS. 1 to 3 is a socket side 1 and in the FIGS. 4 to 6 the plug side 3 of a detachable multiple connector is shown. The socket side 1 is with the plug side 3 can be connected or plugged together, so that an electrically conductive contact between the socket side 1 and the plug side 3 can be mediated. A multiple connector is understood to mean a connector via which a plurality of poles, in particular different potentials, can be switched simultaneously. The female side 1 and the male side 3 are in electrically conductive connection with an electrically conductive external element. The electrically conductive external element is in particular a multi-pole cable or several individual cables. Consequently, therefore, several poles can be connected to a single connector or plug movement accordingly.

The socket side 1 comprises an electrically insulating socket housing 10, preferably made of plastic, with a plurality of recessed in the socket housing 10 socket elements 2. Each of the socket elements 2 thereby represents a corresponding pole. The socket elements 2 comprise a socket portion 20 and a contact portion 21. The contact portion 21 communicates electrically with the above-mentioned external element, and the socket section 20 serves to receive electrically conductive parts from the plug side 3.

The plug side 3 comprises an electrically insulated plug housing 30, preferably made of plastic, and a plurality of plug elements 4 embedded in the plug housing 30. The plug elements 4 represent a corresponding pole in the multipolar connection. The plug elements 4 comprise a pin section 40 and a contact section 41 The contact section 41 serves for the electrically conductive connection to an external element, in particular with a multi-pole cable. The pin portion 40 forms the above-mentioned electrically conductive part and protrudes into the socket portion 20, in which case via socket portion 20 and pin portion 40 of the electrical contact between the socket side 1 and connector side 3 is mediated.

The female housing 10 and the connector housing 30 are formed together plugged. The plugging movement takes place along a plug-in direction S, as shown in the FIG. 7 will be shown. The plug-in direction runs parallel to the socket portions 20 and the pin portions 40 and to the respective center axis M of the socket portion 20 and pin portion 40. In the assembled state protrude the Pin portions 40 of the connector elements 4 in the female sections 20 of the female elements 2 and it is so an electrical contact between the female side 1 and 3 connector side mediated.

Based on FIGS. 1 to 3 Now the female side 10 is explained. The female housing 10 includes a contact surface 11, which is then in communication with a corresponding contact surface 31 of the male housing 30 and rests against this, when the female housing and the connector housing are plugged together. From the contact surface 11, at least one opening 12 extends into the socket housing 10. Here are three openings 12 arranged side by side. From the bottom 15 of the opening 12 then extends a plurality of openings 13 through the socket housing 10 therethrough, as shown in the FIG. 3 is clearly recognizable. The openings 13 can also be referred to as receiving openings 13 because they serve to receive the socket elements 4. The number of receiving openings 13 corresponds to the number of poles. Here are 20 poles distributed over 2 rows. Other training with respect to the number of poles and the number of rows are also conceivable.

Also, in the FIG. 3 the formation of the female element 2 are well recognized. The socket element 2 comprises, as already explained above, a socket section 20 and a contact section 21. The socket element 2 is substantially rotationally symmetrical about its central axis M and extends along the central axis M. The socket section 20 comes into the opening 12 in the socket housing 10 to lie and the contact portion 21 comes to rest in the receiving opening 13. In the receiving opening 13 then an electrical contact between the external element, such as a cable, which is not shown here, and the female member 2 is provided. About a storage section 22, which is located between the socket portion 20 and contact portion 21, the female member 2 is mounted in the connector housing. The storage section 22 is also provided with a securing element 23 which secures the socket element 2 in the socket housing 10 with respect to axial movements. The securing element 23 can be designed in many ways, in this case the securing element 23 has the shape of a spring surrounding the bearing section 22 which rests against the shoulder 25 between the opening 12 and the receiving opening 13. Furthermore, the securing element 23 a flange 26 in the region of the contact portion 21, this flange is located on a shoulder in 27 in the receiving opening 13 at.

In the socket section 20, the socket element 2 has a socket opening 28 which extends along the central axis M of the socket element 2. This bushing opening 28 serves to receive a pin portion 40 of the plug element 4. Preferably, an electrically conductive contact element 5 is arranged in the socket opening 28, which mediates an electrical contact between the socket element 2 and the plug element 4. The contact element 5 preferably has the shape of a contact blade, wherein the contact blade comprises a plurality of resilient webs. These webs are then pressed during mating by the pin portion 40 against the wall of the socket opening 28 and thus provide an electrical contact between the socket opening 28 and pin portion 40th

In the area of the contact section 21, the socket element 2 further has an opening 29 here. In this opening 29, the cable of a multi-pole conductor can be inserted and connected there mechanically or cohesively with the female element 2 electrically conductive.

As explained above, in the Figures 1 and 2 the opening 12 of the female housing 10 are detected. The opening 12 is here provided with two reinforcing ribs 14, which provides three small openings 12 from a large opening 12. Another division or even the arrangement of a single opening 12 is also conceivable. In the opening 12, the sleeve elements 2 are arranged and in this case have a length which is shorter than the depth of the opening 12 from the contact surface 10 to the bottom 15 of the opening 12. Thus, it is ensured that the socket elements 2 not over the contact surface 10 protrude or not out of the opening 12 also protrude, which is advantageous in terms of mechanical stresses in the separated state. Mechanical stresses, such as impacts on the female side 1, are absorbed by the female housing 10, before an impact on the female member 2 is formed. Thus, the female sections 20 are correspondingly protected in the female housing 10.

With the help of FIGS. 4 to 6 Now, the structure of the connector side 3 will be explained. Like the socket side 1, the plug side 3 on the plug housing 30 also comprises a contact surface 31, via which the socket housing 10 and the plug housing 30 are in contact or in contact when the socket side 1 with the plug side 3 is in the assembled state.

Of the FIGS. 4 and 5 , on the basis of which the connector housing is now explained, it can be seen that a wall 32 extends from the contact surface 31. This wall 32 serves to protect the parts of the plug element 4 extending over the contact surface 31, here essentially the pin section 40. The wall 32 is designed such that it at least partially surrounds the pin sections 40 or extends between the pin sections 40. The wall 32 is designed to match the opening 12, so that the socket side 1 with the plug side 3 is connectable. In the connected state, the wall 32 projects into the opening 12. The cross section of the wall 32 seen in the direction perpendicular to the insertion direction S, is suitable or complementary to the cross section of the opening 12 also seen in the vertical direction to the insertion direction S formed. Thus, so the wall 32 protrudes into the opening 12 in the assembled state.

In an alternative embodiment, the opening 12 and the wall 32 can be arranged such that the wall 32 is also formed on the socket element 2, in which case the opening 12 is arranged on the plug element 4. With view on FIGS. 1 and 4 can then be said that the socket elements 2 which are arranged in the socket housing 10 can also be arranged in the plug housing 30, in which case the plug elements 4 are correspondingly arranged in the socket housing 10. Thus, the female elements 2 would then protrude correspondingly over the contact surface on the connector housing 30 and the connector elements 4 would then be arranged in the opening 12 and protected by the side wall 16, which surrounds the opening 12 from the mechanical influences. The wall 32 then protects the socket elements 2 accordingly from the mechanical influences.

Consequently, it can therefore be said that the wall 32 of both the contact surface 11 of the female housing 10 and the contact surface 31 of the plug housing 30th can extend and that the opening 12 is then arranged on the other housing without the wall.

The wall 32 and the opening 12 thus have the advantage that these two elements protect the socket elements 2 and the connector elements 4 with respect to mechanical influences. In the process of joining together, it is important that the central axes M of the female elements 2 are collinear with the central axes M of the male elements 4. Wall 32 and opening 12 have in the process of mating a leadership function, so that bushing side 1 and plug side 3 along the insertion movement as possible parallel to each other are plugged together, whereby tilting between the socket and connector side 3 is largely avoided.

With respect to the plug element 4 is now on the FIG. 6 Referenced. The plug element 4 is substantially rotationally symmetrical about a central axis M and extends along this central axis M. The plug element 4 comprises a pin section 40 which projects into the socket opening 28 of the socket section 20 and is electrically connected to the socket element via the contact element 5 stands. Furthermore, the plug element 4 comprises a contact section 41, which serves for the electrically conductive connection to an external element, in particular to a multipolar cable. The plug element 4 furthermore has a bearing section 42, which is arranged here between the contact section 41 and the pin section 40. About the storage section 42, the male member 4 is mounted in a receiving opening 33 in the connector housing 30. Like the socket element 2, the plug element 4 also has a securing element 43, which secures the plug element 4 in the receiving opening with respect to axial displacements along its center axis M. The securing element 43 may be formed analogously to the securing element 23. Reference is made here to the above description.

In the FIG. 6 can also be well recognized that extending from the contact surface 31 of the plug member 4, here the pin portions 40, viewed from the contact surface 31 are formed shorter than the wall 31 of the contact surface to the front end 37. Consequently, the project Pin sections 40 not beyond the wall 31, which has the above-described mechanical stress advantage.

In the connected state, which in the FIG. 7 can be recognized, the wall 32 extends completely into the opening 12 into it. The contact surface 11 of the female side 1 is further in contact with the contact surface 31 of the male side 3. Preferably, the height of the wall 32 from the contact surface to the front end 37 of the wall 32 substantially corresponds to the depth of the opening 12 from the contact surface 11 to the bottom 15 of the opening 12.

In the FIGS. 4 and 5 can be further recognized that the wall 32 preferably has a plurality of parallel to the pin portions 40 grooves 34 extending. The grooves 34 thereby provide a depression 35 and a comb 36 extending from the depression 35. Usually, two combs 36, which run parallel to one another, delimit a recess 35. In the recess 35, the pin portion 40 of the plug element 4 extends, wherein the pin portion 40 lies at least partially in this recess 35.

Next can in the FIG. 1 be recognized that the side walls 16 also have a plurality of grooves 17. The grooves 17 also extend in a direction parallel to the sleeve portion 20 of the female member 2. The grooves 17 provide a recess 18 in the side wall 16 ready, wherein the recess 18 is limited here by a comb 19 accordingly.

In the assembled state between socket side 1 and plug side 2 each provide a groove 17 in the side wall 16 of the female housing 10 and a groove 34 of the wall 32 of the plug housing 30 a channel 6 ready, said channel 6 is bounded laterally by the combs 19 and 36. The channel 6 thereby completely surrounds the socket sections 20 and the pin sections 40 and thus protects the connection between socket section 20 and pin section 40 from mechanical external influences. The channel 6 can in the FIG. 7 be recognized very well.

The grooves 17 and 34 are seen in cross section perpendicular to the insertion direction preferably concave rounded. Advantageously, the radius of curvature of the grooves 17 in the opening 12 is equal to the radius of the rounding of the grooves 34 on the wall 32, thus providing the groove 17 and the groove 34 a channel 6 with the same or constant diameter ready. Per channel 6 is preferably arranged one female element 2 and one male element 4.

The grooves 17 and 34 advantageously have the same depth, so that the surface of the corresponding comb at the height of the central axis M of the female element 2 and the male element 4 is located. The corresponding combs thus extend substantially to a plane which is arranged through all central axes M of the socket elements 2 and the plug elements 4 or the receiving openings in which these socket element 2 and plug elements 4 are arranged. Thus, each of the grooves provides one half of the channel 6 each.

The wall 32 may be provided with openings 38. In the assembled state, the reinforcing ribs 14 extend through these openings. As a result, the guide between the socket housing 10 and connector housing 30 in the process of mating can be further improved.

On the female housing 10 and the connector housing 30, an optional coding element 7 is arranged in each case. The coding element has the advantage that a false mating is prevented. The coding element 7 is preferably arranged on at least one of the side walls 16, which delimit the opening 12, and on a wall 32 corresponding to this side wall 16. Here, the coding element has the shape of a running in the insertion direction S groove 70 which is arranged in the wall and a correspondingly ausgegebildet elevation 71 which extends from the side wall 16 into the opening 12 inside. Alternatively, said apertures 38 and reinforcing ribs 14 may also provide the function of a coding element. In addition, wall 32 or opening 12 can also be provided with a chamfer 72, which can likewise provide a coding element.

Socket housing 10 and connector housing 30 are preferably from an electrical Current non-conductive material, such as plastic, formed.

In the FIG. 8 a possible application of a multipolar connector 1 according to the above description is shown. The connector 1 with the female side 1 and the male side 3 is arranged here a modular connector 8. The connector 8 in this case comprises a socket-side contact carrier 86 and a plug-side contact carrier 87. In the socket-side contact carrier 86, three socket sides 1 or socket housing 10 are arranged according to the above description and three plug side 3 or plug housing 30 are arranged in the plug-side contact carrier 87 here. Further, here further plug-in elements 81 are arranged, which are also supported by the contact carrier 86, 87.

The female housing 10 and the male housing 30 are here each surrounded by a frame member 82 which holds the female housing 10 and the connector housing 10 accordingly. The other plug-in elements 81 are surrounded by the frame member 82. Socket housing 10 and connector housing 30 have this cam 83, which then engage in grooves on the frame member 82.

By arranging a plurality of socket sides 1 and plug sides 3 or socket housings 10 with socket elements 2 and plug housings 30 with plug elements 4 in a frame, a simple multi-pole connection can be provided, which can be plugged together with a single plug operation.

The frame member 82 further includes guiding means 84 for guiding during the process of mating and fastening members 85 for securing the members against disassembly in the mated condition or for securing the frame members to an external member such as a panel or the like.

LIST OF REFERENCE NUMBERS

1

female side

2

female member

3

plug side

4

plug elements

5

contact element

6

channel

7

coding element

8th

Connectors

10

socket housing

11

contact area

12

opening

13

Breakthroughs, receiving openings

14

reinforcing ribs

15

reason

16

side walls

17

grooves

18

deepening

19

Comb

20

bushing section

21

Contact section

22

storage section

23

fuse element

25

paragraph

26

flange

27

paragraph

28

socket opening

29

connecting opening

30

plug housing

31

contact area

32

wall

33

receiving opening

34

grooves

35

deepening

36

Comb

37

front end

38

breakthroughs

40

pin sections

41

Contact section

42

storage section

43

fuse element

70

groove

71

survey

81

plug-in elements

82

frame element

83

cam

84

accession funds

85

fuse elements

86

socket-side contact carrier

87

plug-side contact carrier

Claims (14)

Detachable multiple connector comprising
a bushing side (1) having an insulating bushing housing (10) and having a plurality of bushing elements (2) embedded in the bushing housing (10) with a bushing section (20) and a contact section (21) for electrically conductive connection to an external element, in particular one multipolar cables, and
a plug side (3) with an insulating plug housing (30) and with a plurality in the plug housing (30) recessed connector elements (4) with a pin portion (40) and a contact portion (41) for electrically conductive connection with an external element, in particular a multi-pole Electric wire,
wherein the female housing (10) with the plug housing (30) along an insertion direction (S) is mated, and wherein in the assembled state, the pin portions (40) of the male elements (4) in the female sections (20) of the female elements (2) protrude, so that between the socket side (1) and plug side (3) via socket portion (20) and pin portion (40), an electrical contact can be mediated, and wherein
Socket housing (10) and plug housing (30) have a contact surface (11, 31) over which the socket housing (10) and plug housing (30) are in contact, characterized in that
extending from the contact surface (31) of the plug housing (30) or the female housing (10) has a wall (32) which at least partially surrounds the pin portions (40) or the female portions (20) or between pin portions (40) or female portions (20) extends, and
that an opening (12) extends from the contact surface (11) without the wall (32) into the socket housing (10) or the plug housing (30), in which opening (12) the socket sections (20) or the pin sections (40) lie, wherein the cross section of the wall (32) in the direction perpendicular to the insertion direction to the cross section of the opening (12) in the direction perpendicular to the direction of insertion and the wall (32) in the assembled state in the opening (12) protrudes. Detachable connector according to claim 1, characterized in that the Wall (32) extending from the contact surface (31) of the plug housing (30) and that the opening (12) extends from the contact surface (11) of the female housing (10) into the socket housing (10). Detachable connector according to one of the preceding claims, characterized in that the plug elements (4) or the socket elements (2) seen from the contact surface (11,31) are shorter than the wall (32) are formed, and / or that the plug elements (4) or the socket elements (2) seen from the bottom (15) of the opening (12) are formed shorter than the depth of the opening (12) from the contact surface (11, 31) to the base (15) and thus are arranged completely in the opening (12). Detachable connector according to one of the preceding claims, characterized in that the wall (32) has a plurality of grooves (34) running parallel to the pin sections (40) and the socket sections (20), wherein the grooves (34) have a Recess (35) and provide a of the recess (35) extending comb (36), wherein the grooves at least partially surround parts of the female member or plug member. A detachable connector according to any one of the preceding claims, characterized in that at least one of the side walls (16) bounding the opening (12) for receiving the wall (32) has a plurality of parallel to the pin portions (40) and the Sleeve portions (20) extending grooves (17), wherein the grooves (17) provide a recess (18) and a recess (18) extending from the comb (19), wherein the grooves at least partially surround parts of the female member or male member. Detachable connector according to claim 4 or 5, characterized in that the grooves (17, 34) are concave rounded and each part of the contact elements (5) and the socket elements (2) seen in cross-section surrounds semicircular, wherein per groove preferably one each Socket element (2) or plug element (4) is arranged. Detachable connector according to one of claims 4 to 6, characterized characterized in that in the assembled state between the bush side (1) and plug side (3) in each case a groove (34) in the wall (32) and a correspondingly arranged groove (17) in the side wall (16) of the opening through the combs (17 , 36) provide a limited channel (6) which completely surrounds parts of socket elements (2) and parts of plug elements (4), in particular the socket sections (20) and the pin sections (40). Detachable connector according to one of the preceding claims, characterized in that the electrical contact between the socket element (2) and plug element (4) with respect to the insertion direction seen in the region of the opening (12) or the wall (32) or in the channel (6). is mediated, in particular in an area which is located centrally in the opening (12) or the wall (32). Detachable connector according to one of the preceding claims, characterized in that the wall (32) is provided with openings (38), and that the opening is provided with reinforcing ribs (14), wherein in the assembled state, the reinforcing ribs (14) in the openings ( 38) protrude. Detachable plug connector according to one of the preceding claims, characterized in that a respective coding element (7) is arranged on the socket housing (10) and on the plug housing (30), wherein the coding element (7) is preferably arranged on at least one of the side walls (16) which Limit opening (12), and at one of these side wall (16) corresponding point on the wall (32) each one coding element (7) is arranged, or wherein said openings (38) and the reinforcing ribs (14) has a coding element (7) provide. Detachable plug connector according to one of the preceding claims, characterized in that the socket elements (2) or the plug elements (4) in a female socket element (2) or the plug element (4) associated receiving opening (13, 33) in the socket housing (10 ) or in the plug housing (30) are arranged, wherein the socket elements (2) or the plug elements (4) via a between contact portion (21) and socket portion (20) and between the contact portion (41) and pin portion (40) arranged storage portion (22, 42) feature. Detachable connector according to one of the preceding claims, characterized in that in a row which extends perpendicular to the plugging direction (S), a plurality of socket elements (2) or plug elements (4) are arranged, wherein preferably a plurality of rows are arranged side by side, and the wall (s) (32) extending between these rows. Detachable connector according to one of the preceding claims, characterized in that the height of the wall (32) from the contact surface (31) to the front end (37) of the wall (32) substantially the depth of the opening (12) of the contact surface (32). 11) to the base (15) corresponds to the opening (12). Detachable connector according to one of the preceding claims, characterized in that the socket portion (20) or the pin portion (40) having a contact element (5), in particular a contact blade (5) is provided, said via this contact element (5) of the electrical contact between the socket element (2) and plug element (4) can be mediated.

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