DE102015015202B4 - Connector and plug-in system - Google Patents

Abstract

The present invention relates to a connector (100) and a plug-in system (300) with the connector (100) according to the invention and a complementary plug-in element (200). In this case, the connector (100) has a plug-in region (10) for connecting the connector (100) with a complementary plug-in element (200), wherein the plug-in region (10) has a multi-part thread (13) and at least one latching means (15), and wherein the at least one latching means (15) is designed to be engaged with at least one complementary latching means (35) of the complementary plug-in element (200).

Description

The invention relates to a connector and a plug-in system with a connector and a complementary plug-in element. In particular, the invention relates to a connector for electrically connecting a printed circuit board with a complementary plug-in element.

The invention is in the field of connector technology, in particular in the field of circular connectors, ie connectors with for example an M12, M8, M23 or a 7/8 "thread. Such plug connectors, in particular M12 plug connectors, are used, for example, for the electrical contacting and / or connection of industrial Ethernet. Conventionally, such connectors have a thread with which the connector can be bolted and secured, so that these connectors can withstand mechanical stresses, such as by connected machines.

The mating or screwing such connectors is relatively time consuming. In addition, both the male and the female connector must necessarily have mutually complementary screw rings, which makes such a connector system expensive and inflexible.

It is therefore an object of the present invention to provide an improved connector and an improved connector system. In particular, it is an object of the present invention to provide a connector that can be used flexibly depending on the application. This object is achieved by the subject matters of the independent claims. Advantageous embodiments are the subject of the dependent claims.

The publication US 2009/0 170 364 A1 discloses an electrical connector having a connector part and a mating complementary connector part, wherein the connector part and the complementary connector part can be mated together. In order to screw the connector part to the complementary connector part, the electrical connector further comprises a coupling ring having an internal thread, the coupling ring being fixed to the connector part, and the internal thread of the coupling ring mating with an external thread of the complementary connector part. The inner thread of the coupling ring and the outer thread of the complementary connector part each have two threaded portions and two unthreaded portions.

The publication DE 20 2004 002 078 U1 discloses a connector having a housing provided with a thread and a detent bead to secure a complementary connector to the housing by threaded engagement or snapping.

• – einen Steckbereich zum Verbinden des Steckverbinders mit einem komplementären Steckelement, wobei der Steckbereich ein mehrteiliges Gewinde und zumindest ein Rastmittel aufweist, und wobei das zumindest eine Rastmittel ausgelegt ist, um mit zumindest einem komplementären Rastmittel des komplementären Steckelements in Eingriff gebracht zu werden.

A first independent aspect for solving the problem relates to a connector comprising:

• - A plug-in area for connecting the connector with a complementary plug-in element, wherein the plug portion comprises a multi-part thread and at least one latching means, and wherein the at least one latching means is designed to be engaged with at least one complementary latching means of the complementary plug element.

The connector may be a male or a female connector. In particular, the connector may be a socket or a socket.

With the plug-in area, the plug connector can be connected to a complementary plug element or complementary plug connector, in particular a female or male plug connector. Is the connector z. As a male connector, it can be connected to a complementary female connector. Is the connector z. As a female connector, it can be connected to a complementary male connector.

Preferably, the connector has a circular connector, with a complementary circular connector can be connected to the connector.

The term "bonding" is understood in particular to be an electrical and mechanical joining or joining.

The plug-in area of the connector can z. B. plug-element-side contact elements, which can be connected or joined with complementary contact elements of the complementary plug element such that there is an electrical contact between the respective contact elements and the associated complementary contact elements.

For connection, the plug-in region of the connector has a multi-part thread and at least one latching means.

Under a multi-part thread or a multi-part threaded element is a Thread or a thread-like element understood, which is composed of several parts or sections. In particular, the multi-part thread is composed of several, preferably three, threaded sections, wherein two successive threaded sections are separated or spaced by a respective threadless section. A threaded section is understood to mean a section which has a threaded structure, ie the profiled notches or threads characteristic of the thread, while a threadless section is understood to mean a section which has no such threaded structure. In other words, a multi-part thread is understood as meaning a thread or a thread-like element which does not have a continuous thread structure but rather a plurality of recesses or cutouts. In particular, in the multi-part thread, its threaded structure or its threads extend or extend only with interruptions or recesses around the interior of a cylindrical wall. The interruptions or recesses can z. B. cutouts of the thread structure.

The multi-part thread in the sense of the present invention thus differs from a conventional thread in that the thread structure or the profiled notch does not run continuously around a cylindrical wall, but only in sections, ie. H. with interruptions or recesses or cutouts.

The at least one locking means which z. B. may be a latching means receptacle for receiving the complementary latching means of the complementary plug element is designed to be brought into engagement with at least one complementary latching means of the complementary plug element. In particular, each latching means of the connector can be brought into engagement with a respectively associated complementary latching means of the complementary plug-in element. Preferably, the connector or the plug-in region of the connector comprises at least two and particularly preferably three latching means which can each be brought into engagement with an associated complementary latching means of the complementary plug-in element. In other words, preferably a first latching means of the connector can be brought into engagement with an associated first complementary latching means of the complementary plug-in element. Accordingly, preferably, a second latching means of the connector with an associated second complementary latching means of the complementary plug element are brought into engagement. Further, preferably, a third locking means of the connector can be brought into engagement with an associated third complementary locking means of the complementary plug element.

The at least one latching means is preferably elastic and / or resilient. Particularly preferably, the at least one locking means is designed as a latching hook, in particular as an elastic and / or resilient latching hook. The at least one latching means is used in particular the releasable fixing of the connection between the connector and the complementary plug-in element or the reversible locking between the connector and the complementary plug-in element.

With the connector according to the invention is thus advantageously possible to realize not only a stable, but also a flexible connection with a complementary plug-in element. Thus, the connector according to the invention z. B. with a conventional plug-in element, which has a threaded ring, are connected by the threaded ring of the plug element is screwed into the multi-part thread of the connector according to the invention, whereby a very stable connection is made. However, it is also possible in contrast to a conventional connector, the connector according to the invention with a complementary plug-in element, which has a complementary locking means instead of a screw ring to connect. In this case, the connection without time-consuming screws, d. H. be made very quickly, in particular by a simple press. Accordingly, the compound can be solved again very quickly, in particular by a simple pulling. The connector is thus usable as a so-called "push-pull" connector.

The connector according to the invention is thus a multifunctional connector, which can be connected depending on the application with different complementary plug-in elements and thus flexible or multi-functional use. In addition, the multi-part thread facilitates the insertion of the complementary plug-in element in the plug-in region of the connector and can in particular prevent a wrong insertion or a wrong polarity when mating.

In a preferred embodiment, the connector further comprises a circuit board portion for attaching and / or connecting the connector to a circuit board.

The connector can be referred to in this embodiment, in particular as a plug-in base. The attachment of the connector or socket to the circuit board can be done in particular by contacting and / or soldering printed circuit board contact elements or contact pins of the connector or socket with associated contact points of the circuit board.

Preferably, therefore, the circuit board portion of the connector or socket circuit board contact elements, which can be contacted with associated contact points of the circuit board and in particular soldered.

In a further preferred embodiment, the connector further comprises a connector housing, wherein the multi-part thread and the at least one locking means are part of the connector housing. In other words, the connector housing includes the multi-part thread and the at least one locking means.

Preferably, the connector housing housing-side contact elements and / or plug-side contact elements of the connector and thus protected from environmental influences.

In a further preferred embodiment, the at least one latching means of the connector is formed as a return of the multi-part thread. In other words, the at least one locking means is formed by a taper of the multi-part thread. The at least one locking means is thus preferably part of the multi-part thread, d. H. the multi-part thread has the at least one locking means.

The latching means or the recess or the taper is preferably arranged in the plug-in region of the connector such that in a mounted state, a complementary latching means of a complementary plug-in element with the latching means of the connector is engaged.

Under a mounted state is understood in the context of the present invention, a state in which the connector is electrically and mechanically connected to a complementary plug-in element.

In a further preferred embodiment, the multi-part thread has at least two, in particular three, four, etc., threaded sections and at least two, in particular three, four, etc., threadless sections.

As already described above, in the context of the present invention, a threaded section is understood to mean a section which has a threaded structure, ie. H. profiled thread grooves, having. Under a threadless section is accordingly understood a section which has no such thread structure. The threadless sections are thus sections or areas in which the thread structure is recessed or milled out.

Preferably, the at least one latching means of the connector is formed as a return or Vejüngung at least one non-threaded portion of the multi-part thread. The number of locking means corresponds to the number of threadless sections of the multipart thread. In particular, each of the at least one latching means is formed as a recess or taper of an associated non-threaded portion of the multi-part thread.

Particularly preferably, the multi-part thread is a three-part thread. This three-part thread has three threaded sections, wherein a threadless section is arranged in each case between two successive threaded sections. In other words, each two consecutive threaded portions are separated by a non-threaded portion from each other or spaced.

In a further preferred embodiment, the at least one threadless section is designed and / or dimensioned such that the at least one complementary latching means of the complementary plug element can be inserted along an insertion direction into the at least one threadless section.

In a further preferred embodiment, the plug-in region or the multi-part thread is designed to be connected to a complementary circular connector, in particular an M12 connector.

A further independent aspect for achieving the object relates to a plug-in system with a plug connector according to the invention and a complementary plug-in element, wherein the complementary plug element has a plug-in region which is complementary to the plug-in region of the plug connector and which can be connected to the plug-in region of the plug connector.

In a preferred embodiment, the complementary plug-in element or the plug-in region of the complementary plug-in element has at least one complementary latching means, which can be brought into engagement with the at least one latching means of the plug-in connector. In particular, the at least one latching means and / or the at least one complementary latching means are designed such that in the mounted state of the plug-in system, the at least one complementary latching means of the complementary plug-in element is engaged with the at least one latching means of the plug-in connector. Preferably, the complementary plug-in element or the plug-in region of the complementary plug-in element has at least two complementary locking means and more preferably three complementary locking means.

In a further preferred embodiment, the at least one complementary latching means on a spring element. In particular, the at least one complementary latching means is a spring element. The spring element preferably has resiliency elastic properties.

Preferably, the complementary plug-in element has a latching means body or a spring element body, in which the at least one latching means or spring element is formed.

Further preferably, the complementary plug-in element has at least one guide element which is designed and / or dimensioned such that it can be inserted into the at least one threadless section of the multipart thread. Particularly preferably, the complementary plug-in element on three guide elements, which are designed and / or dimensioned such that they are each insertable into associated non-threaded portions of the multi-part or three-piece thread. In other words, in the mounted state, the guide elements of the complementary plug element preferably extend through the threadless sections of the plug connector. In particular, the number of guide elements corresponds to the number of threadless sections. Each guide member of the complementary male member preferably extends through an associated non-threaded portion of the connector.

In a further preferred embodiment, the plug-in system is designed as an M12 plug-in system. Ie. Preferably, the complementary plug-in element is an M12 connector and / or the multi-part thread is essentially an M12 thread or the multi-part thread is substantially formed as an M12 thread.

Alternatively or additionally, the plug-in system is designed as a push-pull plug-in system. In particular, the complementary plug-in element can be electrically and mechanically connected or fixed to the plug-in base along a plug-in direction by applying a predetermined force, which depends in particular on the elastic properties of the complementary latching means or spring element. Accordingly, the complementary plug-in element can be released from the plug connector by applying a predetermined force, which depends in particular on the elastic properties of the complementary latching means or spring element, counter to the plug-in direction, i. H. It can thereby be repealed in the assembled state fixation between the connector and the complementary plug-in element.

Optionally, the connector and / or the complementary plug-in element may have further components. For example, a screen housing, which at least partially shields the connector or the complementary plug-in element electrically. In addition to the shield or the housing (s), the plug-in system can have additional optional additional modules such. As a seal and / or one or two Hemmringe that hinder unintentional release of the connector and / or reduce.

For the above-mentioned further independent aspect and in particular for related preferred embodiments, the statements made above or below apply to the embodiments of the first aspect. In particular, for an independent aspect of the present invention and for related preferred embodiments, the statements made above and below apply to the embodiments of the respective other independent aspect.

In the following, individual embodiments for solving the problem will be described by way of example with reference to the figures. In this case, the individual embodiments described have in part features which are not absolutely necessary in order to carry out the claimed subject matter, but which provide desired properties in certain applications. Thus, embodiments are also to be regarded as falling under the described technical teaching, which does not have all the features of the embodiments described below. Further, in order to avoid unnecessary repetition, certain features will be mentioned only with respect to each of the embodiments described below. It should be noted that the individual embodiments should therefore be considered not only in isolation, but also in a synopsis. Based on this synopsis, those skilled in the art will recognize that individual embodiments may also be modified by incorporating one or more features of other embodiments. It should be understood that a systematic combination of the individual embodiments having single or multiple features described with respect to other embodiments may be desirable and useful, and therefore should be considered and also included within the description.

Brief description of the drawings

1 shows a perspective view of a plug-in system with a connector and a complementary plug-in element according to a preferred embodiment;

2 shows a cross section of the plug system according to 1 ;

3 shows a cross section of a connector housing of the connector according to the invention according to a preferred embodiment;

4 shows a front view of the connector according to the invention according to a preferred embodiment;

5 shows a perspective front view of the connector according to the invention according to a preferred embodiment;

6 shows a perspective front view of the complementary plug-in element according to a preferred embodiment;

7 shows a perspective side view of a locking body according to a preferred embodiment.

Detailed description of the drawings

The location selected in the present description, such as location. B. top, bottom, side, etc., are each related to the immediately described and illustrated figure and are mutatis mutandis to transfer to a new position to the new situation.

The 1 shows a perspective view of a plug-in system 300 with a connector 100 and a complementary plug-in element 200 according to a preferred embodiment of the present invention.

The connector 100 and the complementary plug element 200 are designed and intended to be inserted with their insertion-side end in the insertion direction E into each other, wherein they enter into a plug connection with each other.

The connector 100 , which according to the 1 is designed as a plug-in base, has a plug-in area 10 and a circuit board area 20 on.

The PCB area 10 of the connector 100 has printed circuit board contact elements 24 and 26 on. The PCB contact elements 24 can z. B. are used to transmit a signal and are therefore referred to as signal contacts in the context of the present invention. The PCB contact elements 26 are in particular shield contacts, which in addition to the mechanical stabilization or fixation of the connector 100 contribute to a circuit board. The PCB contact elements 24 and 26 can be plugged into associated contact points of the circuit board or soldered to it. About the PCB area 20 can the connector or socket 100 thus be attached to a circuit board or board.

The plug-in area 20 of the connector 100 has a multi-part, in particular three-part, thread 13 and at least one, in particular three locking means 15 (in the 1 not to be seen). Both the multi-part thread 13 as well as the locking means 15 can be used to fix a plug-in area 30 of the complementary plug element 200 and the plug-in area 10 of the connector 100 serve. For this purpose, a screw ring (not shown here) of the complementary plug element 200 in the multi-part thread 13 be screwed. Alternatively, the locking means 15 by inserting the complementary plug element 200 in the plug-in area 10 of the connector 100 with associated complementary latching means or spring elements 35 of the complementary plug element 200 be engaged. In the 1 two of a total of three complementary locking means or spring elements are visible.

The connector 100 has a connector housing 50 on which a connection element 17 behaust. The connection element 17 has plug-in element-side contact elements 19 on that with complementary contact elements 39 (in the 1 not visible) of the complementary plug element 200 can be connected or joined, so that in the assembled state between the respective contact elements 19 and the associated complementary contact elements 39 an electrical and physical contact exists. The connection element 17 is made of an electrically insulating material, for. B. made of a plastic, and is used for electrical insulation of the contact elements 19 , The multi-part thread 13 and the locking means 15 are part of the connector housing 50 , The locking means 15 are located inside or on the inside of the connector housing 50 and are therefore in the 1 not visible.

Is the plug-in area 30 of the complementary plug element 200 in the plug-in area 10 plugged in the connector, so a ring strikes 40 of the complementary plug element 200 to a stop point of the connector housing 50 or to a plug-in area-side edge, ie a remote from the circuit board area edge of the plug-in area 10 , the connector 100 at. By pulling on the ring 40 opposite to the insertion direction E, a lock, which due to an engagement of the locking means 15 with the complementary locking means 35 can be canceled without destroying the locking mechanism. In particular, causes a strong enough pulling on the ring 40 opposite to the insertion direction E, a relative movement between the connector 100 and complementary plug element 200 and thus also between the locking means 15 and the complementary locking means 35 , This consequently leads to a, in particular non-destructive, unlocking of the engaging latching means 15 and 35 , In other words, the engagement of the locking means 15 with the complementary locking means 35 by a sufficiently strong pulling on the plug element 200 and especially on the ring 40 be removed or dissolved without destruction. As a result of its function, the ring 40 be referred to as a stop ring and / or as unlocking ring.

In addition, the complementary plug element has 200 guide elements 34 which are designed and / or dimensioned so that they each in associated non-threaded sections 13b (see eg 3 ) of the multipart thread 13 are insertable. The number of guide elements corresponds to the number of complementary latching means or spring elements 35 , In particular, each spring element 35 through an opening of an associated guide element 34 guided. Furthermore, the complementary plug element 200 an insulating cover 60 on which a cable (not shown here) can wrap.

The 2 shows a cross section of the plug-in system 300 of the 1 , In addition to those already in conjunction with the 1 described components, which also in the 2 are each provided with identical reference numerals are in the illustration of the 2 also two of three locking means or spring elements 15 of the connector 100 recognizable. Again 2 can be seen further, has the complementary plug-in element 200 Furthermore, a latching body or a spring element body 70 in which the at least one complementary latching means or spring element 35 is trained.

Furthermore, in the 2 a to the connection element 17 of the connector 100 complementary connection element 37 of the plug element 200 with two out of four complementary contact elements 39 to see. The complementary connection element 37 is made of an electrically insulating material, for. B. of a plastic, and is used for electrical insulation of the complementary contact elements 39 , At the right end, ie from the plug-in area 30 opposite end, the complementary connector 200 may be a cable (not shown), its wires with the complementary contact elements 39 connected to be connected. Thus, with the help of the plug-in system 300 a cable (not shown) may be connected to a circuit board (not shown).

The locking means 15 is as a return or as a rejuvenation of the three-part thread 13 educated. In the assembled state, ie when the plug-in area 30 of the complementary plug element 200 along the insertion direction E in the mating area 10 of the connector 100 is plugged in, grab the spring elements 35 of the complementary plug element 200 into the associated recesses 15 of the connector 100 and serve to fix or to hold between the connector 100 and the complementary plug-in element 200 ,

When inserting the plug-in area 30 of the complementary plug element 200 in the plug-in area 10 of the connector 100 First, the spring elements 35 by contact with a threadless section 13b of the three-part thread 13 elastic, ie resilient, deformed, until finally at the respective recesses or tapers 15 of the three-part thread 13 relax again and thus in the respective recesses 15 intervention. Only when the complementary plug element 200 is pulled against the insertion direction E with a predetermined force, the spring elements 15 again compressed or compressed, causing the engagement of the spring elements 35 with the recesses 15 , ie the fixation, triggers and thus the complementary plug-in element 200 from the connector 100 can be staked or deducted. The plug-in system 300 is thus a so-called "push-pull" plug-in system, in which the connection by simply pressing the complementary plug-in element 200 in the plug-in direction E, manufactured and can be solved by a simple pulling contrary to the insertion direction E.

The 3 shows a cross section of the connector housing 50 of the connector 100 according to a preferred embodiment. Here is the connector housing 50 turn into the plug-in area 10 and the circuit board area 20 divided up. For orientation regarding the 1 and 2 is also the insertion direction E indicated.

In the plug-in area 10 is a section of the three-part thread 13 recognizable. The three-part thread 13 has threaded sections 13a and threadless sections 13b on. Overall, there is in the embodiment of the connector shown herein 100 or the connector housing 50 three threaded sections 13a and three threadless sections 13b , Like in the 3 recognizable, have the threaded portions 13a a threaded structure, ie typical for the thread perforated notches, while the threadless sections 13b have no such thread structure. Rather, the threadless sections represent 13b a recess or cutout of the thread structure of a conventional thread, such as an M12 thread, is about these recesses, ie on the threadless sections 13b , respectively, the spring elements 35 of the complementary plug element 200 (in the 3 not shown) along the insertion direction E in the plug-in area 10 , ie in the interior of the connector housing 50 or the connector 100 , inserted or pushed or pressed until the spring elements 35 in the recesses 15 intervention. As a dimension or a radius of the multipart thread 13 such to a dimension or a radius of the complementary plug-in element 200 or its plug-in area 30 is tuned that the guide elements 34 or the complementary latching means or spring elements 35 only over the threadless sections 13b but not over the threaded sections 13a in the connector 100 or its plug-in area 10 can be introduced, thus a wrong plugging or a wrong polarity can be prevented during insertion.

The three-part thread 13 and the returns 15 are part of the connector housing in this embodiment 50 , The connector housing 50 as well as the three-part thread 13 with the recesses 15 are preferably made of metal or plastic, such as. B. hard plastic, manufactured.

In the 4 is the connector 100 shown in a frontal view according to a preferred embodiment. In the connector housing 50 is the plug-element-side connection element 17 with several contact elements 19 arranged. The contact elements 19 are in this embodiment as female contact elements, ie as plug-in sockets, for insertion of complementary male contact elements 39 (please refer 6 ), educated. On the inner wall of the connector housing 50 is the three-part thread 13 with the threaded sections 13a and the threadless sections 13b educated. Further, the circuit board contact elements 24 and the circuit board holding members 26 for connecting the connector or socket 100 to see a printed circuit board.

The 5 shows the connector 100 again in a perspective frontal view, wherein the individual components with identical reference numerals as in 4 Marked are.

The 6 shows a perspective front view of the complementary plug-in element 200 according to a preferred embodiment. In particular, the three complementary locking means or spring elements 35 , which upon insertion of the complementary plug element 200 in the plug-in area 10 of the connector 100 through the threadless sections 13b of the three-part thread 13 be led to see. Furthermore, this is also within the insulation 60 arranged complementary connection element 37 with the complementary contact elements 39 to see. The complementary contact elements 39 are in this embodiment as a male contact elements, ie as a plug or contact pins for insertion into the female contact elements 19 (please refer 5 ), educated.

The 7 shows a perspective side view of the detent body or spring element body 70 according to a preferred embodiment. At the locking body 70 are three locking means or spring elements 35 educated. In the assembled state, the locking means 35 through corresponding openings of the guide elements 34 (see the 1 and 2 ) guided. In other words, extend in the assembled state, the locking means 35 through the openings of the guide elements 34 ,

LIST OF REFERENCE NUMBERS

10

Plug-in area of the connector

13

Multi-part thread

13a

threaded portion

13b

unthreaded section

15

Locking means / return / Rejuvenation

17

connecting element

19

contact element

20

PCB area

24

PCB contact element

26

retaining element

30

Plug-in area of the complementary plug element

34

guide element

35

complementary latching means / latching hook / spring element

37

complementary connection element

39

complementary contact element

40

Ring / ring / unlocking

50

connector housing

60

insulation

70

Rest central body / spring member body

100

Connector / socket / socket

200

complementary plug / complementary connector

300

plug-in system

e

insertion

Claims (11)

Connector ( 100 ) comprising: - a plug-in area ( 10 ) for connecting the connector ( 100 ) with a complementary plug-in element ( 200 ), whereby the plug-in area ( 10 ) a multi-part thread ( 13 ) with at least two Threaded sections ( 13a ) and at least two threadless sections ( 13b ), characterized in that the connector ( 100 ) one of the number of threadless sections ( 13b ) corresponding number of locking means ( 15 ), wherein the latching means ( 15 ) are adapted to at least one complementary latching means ( 35 ) of the complementary plug element ( 200 ) to be engaged. Connector ( 100 ) according to claim 1, further comprising - a printed circuit board area ( 20 ) for attaching the connector ( 100 ) to a circuit board. Connector ( 100 ) according to claim 1 or 2, further comprising - a connector housing ( 50 ), wherein the multi-part thread ( 13 ) and the locking means ( 15 ) Component of the connector housing ( 50 ) are. Connector ( 100 ) according to one of the preceding claims, wherein each latching means ( 15 ) as a return of an associated threadless section ( 13b ) of the multipart thread ( 13 ) is trained. Connector ( 100 ) according to one of the preceding claims, wherein the multipart thread ( 13 ) is a three-piece thread. Connector ( 100 ) according to one of the preceding claims, wherein the threadless sections ( 13b ) are designed such that the at least one complementary latching means ( 35 ) of the complementary plug element ( 200 ) along an insertion direction in at least one of the threadless sections ( 13b ) can be introduced. Connector ( 100 ) according to one of the preceding claims, wherein the plug-in area ( 10 ) is adapted to be connected to a complementary circular connector. Plug-in system ( 300 ) with a connector ( 100 ) according to one of the preceding claims and a complementary plug-in element ( 200 ), wherein the complementary plug element ( 200 ) one to the plug-in area ( 10 ) of the connector ( 100 ) complementary plug-in area ( 30 ) which is connected to the plug-in area ( 10 ) of the connector ( 100 ) can be connected. Plug-in system ( 300 ) according to claim 8, wherein the complementary plug-in element ( 200 ) at least one complementary latching means ( 35 ), which with at least one of the latching means ( 15 ) of the connector ( 100 ) can be engaged. Plug-in system ( 300 ) according to claim 9, wherein the at least one complementary latching means ( 35 ) is elastic and / or has a spring element. Plug-in system ( 300 ) according to one of claims 8 to 10, wherein the plug-in system ( 300 ) is designed as an M12 plug-in system, and / or wherein the plug-in system ( 300 ) is designed as a push-pull connector system.

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