EP2863492B1 - Connector with a locking element with wings - Google Patents

Connector with a locking element with wings Download PDF

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Publication number
EP2863492B1
EP2863492B1 EP14189227.3A EP14189227A EP2863492B1 EP 2863492 B1 EP2863492 B1 EP 2863492B1 EP 14189227 A EP14189227 A EP 14189227A EP 2863492 B1 EP2863492 B1 EP 2863492B1
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EP
European Patent Office
Prior art keywords
connector
latching
plug
locking element
locking
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Active
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EP14189227.3A
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German (de)
French (fr)
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EP2863492A1 (en
Inventor
René Bitschnau
Markus Kalb
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Hirschmann Automotive GmbH
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Hirschmann Automotive GmbH
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Publication of EP2863492A1 publication Critical patent/EP2863492A1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • H01R13/6272—Latching means integral with the housing comprising a single latching arm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement

Definitions

  • the invention relates to a plug connection, comprising a plug connector and a mating plug connector that can be plugged together therewith, the plug connection furthermore having a locking element, according to the features of the preamble of claim 1.
  • a plug connection which has a plug connector and a mating connector, the plug connector having the first and the mating connector having corresponding further latching means forming a latching geometry, by means of which a first latching (primary locking) takes place between the plug connector and the mating connector when the plug connection is assembled, and a locking element is provided, which is longitudinally displaceable between a Vorverrast ein and a Endverrastwolf here in the plugging direction, the locking element is designed such that it can only be moved from its Vorverrast ein into the Endverrast ein when the mating connector is completely in the connector (or vice versa).
  • latching means of the plug connector and the latching lug of the mating connector are made of plastic, there is a risk that the transverse web of the latching means of the plug connector can slide over the stop of the latching lug of the mating connector that is aligned parallel thereto.
  • the latching geometry of the connector lifts in an undesired and thus disadvantageous manner from the latching lug of the mating connector and, despite the presence of the locking element, the connector can loosen. With this one The loosening process is an undesirable process, as this can possibly have safety-critical effects.
  • WO 2013/092310 A1 discloses a plug connection according to the preamble of claim 1.
  • the invention is therefore based on the object of improving a generic plug connection with a locking element in such a way that the disadvantages described at the outset are avoided.
  • the locking element is intended to prevent the primary locking of the plug connection from being released.
  • the connector has locking means which act on the locking geometry of the connector via the locking element and which are designed as a locking lug.
  • These latching means then act on the latching geometry via the locking element when both the latching geometry of the primary lock and the locking element are each in their end position.
  • the end position of the locking element is the end locking position, that is, when the locking element has been moved from its pre-locking position into its end locking position after the connector and mating connector have been completely plugged together.
  • the end position of the latching geometry is reached when the corresponding latching means of the plug connector and the mating plug connector for forming the primary lock are also in their end position when the plug connection is completely plugged together.
  • the primary lock can withstand tensile loads of up to around 50 Newtons without additional measures being necessary. However, if these tensile stresses exceed the order of magnitude of about 50 to 60 Newtons, there is a risk that the primary lock between the connector and the mating connector will be released and the connector will be separated in an undesired manner.
  • the latching geometry by means of the latching means of the plug connector, which acts on the latching geometry via the locking element, tensile forces greater than 80 Newtons can be easily achieved without the primary locking being released.
  • the locking element ensures that the process of plugging the plug connector and mating connector can be carried out in a controlled manner, since the locking element cannot be moved without a complete plugging process.
  • the locking element of the primary lock acts on the latching means of the primary lock in such a way that the primary lock can no longer be released when the connector is subjected to tensile stresses.
  • FIG 1 shows, as far as shown in detail, an exemplary locking element 1 with which the advantages described above can be achieved.
  • the locking element 1 has a front area 2 with a first step 3 present there. Furthermore, it comprises a tab 4 and it has at least one, in Figure 1 two wings 5 running parallel to the locking element 1 or its tab 4.
  • FIG DE 103 41 136 A1 With regard to the functioning of the locking element 1 in a plug connection with a plug connector (also referred to as a coupling) and a mating plug connector (also referred to as a plug), reference is made to FIG DE 103 41 136 A1 (there [0009] to [0027] on pages 3/10 to 6/10 of the laid-open specification).
  • FIG Figure 2 A connector 10 and a mating connector 2 are shown schematically in FIG Figure 2 shown. It can be seen there that the locking element 1 is arranged on the plug connector 10. The locking element 1 is accommodated in a housing 11, which is part of the plug connector 10. There it can go from a pre-locking position (not shown) to a final locking position (in Figure 2 shown) with respect to the longitudinal axis of the connector 10 are brought.
  • Both the plug connector 10 and the mating plug connector 20 have, in a manner known per se, contact chambers in which corresponding contact partners are accommodated.
  • the contact partners of connector 10 and mating connector 20 correspond with regard to the plugging process on the mating face side of the two connectors 10, 20.
  • a cable outlet is provided (for example with the connector 10 in Figure 2 ), wherein the mating connector 20 can also have a cable outlet or can be part of a housing of an electrical device (such as a sensor, an actuator, a control device or the like).
  • FIG 3 it is shown that the locking element 1 has been pushed into the housing 11 of the connector 10.
  • the at least one wing 5 of the locking element 1 interacts with locking means of the plug connector 10, in particular with a locking lug 12.
  • the front area 2 of the locking element 1 interacts with a latching geometry 13 of the plug connector 10.
  • the locking geometry 13 of the connector 10 is designed so that the locking element 1 can only be moved into its final locking position when the primary locking between the connector 10 and the mating connector 20 has taken place.
  • latching geometry 13 must first have interacted with latching means, in particular a latching lug 12, of the mating connector 20 before the locking element 1, in particular can slide away by means of its first stage 3 over the latching means of the mating connector 20, in particular its latching lug 21. So when the locking element 1 according to its Endverrast ein Figure 3 has reached, the locking geometry 13 of the connector 10 interacts at least with the locking means, in particular the locking lug 21, of the mating connector 20. Furthermore, a further latching means, for example in the form of a further latching lug 14, which can also interact with the latching geometry 13, can, but does not have to be present. In this regard, reference is made to the text at the end of the description relating to the structure of the connector 10.
  • FIG 4 is along the section line IV according to Figure 3 the locking geometry 13 is shown.
  • This latching geometry 13 is part of the plug connector 10 and is configured, for example, as a transverse web 131 which is present in the front area of the latching geometry 13 and to which parallel longitudinal webs 132 connect.
  • the transverse web 131 slides at least over the locking lug 21 of the mating connector 20, wherein the locking lug 14 can be present, but can also be omitted.
  • the locking means in particular the locking lug 12 of the connector 10, via the locking element 1, in particular its at least one wing 5, on the locking geometry 13, in particular on the longitudinal web 132.
  • the front area of the locking geometry 13, in particular the transverse web 131, and also the longitudinal web 132 when viewing the Figure 5 can no longer be moved upwards if high tensile loads act on the connector and thus on the primary locking.
  • the entire locking geometry 13, in particular the transverse web 131 with the adjoining longitudinal webs 132 is advantageously fixed by the locking element 1 in its final locking position so that the primary lock can no longer be released when the connector is subjected to high tensile stress.
  • the plug connection can be released when the locking element 1 is brought from its final locking position back into its pre-locking position.
  • the at least one wing is removed from the area between the latching lug 12 and the latching geometry 13 (more precisely its longitudinal web 132) when viewing the Figure 5 moved out, so that a free space is created between the latching means of the plug connector 10 (that is to say the latching lug 12) and the latching geometry 13 (that is to say the longitudinal web 132).
  • the front area of the locking geometry 13 opposite side (end) of the Latching geometry 13 (when looking at the Figure 5 ) to press down, so that the front area, in particular the transverse web 131, is deflected upwards as a result of the free space and over the upper edge of the locking lug 21 (and possibly the locking lug 14) again when viewing the Figure 5 can be moved to the right.
  • a deliberate release of the plug connection is then possible when the locking element 1 has been brought from its final locking position into its pre-locking position and has been pressed onto the locking geometry 13, possibly also via the locking element 1, so that the primary lock is released via this process and the connector 10 can be separated from the mating connector 20.
  • the plug connector 10 is in one piece and forms both the housing 10 for the locking element 1 and contact chambers into which contact partners can be inserted in a manner known per se.
  • a plug connector 10 can be produced, for example, in a plastic injection molding process.
  • the connector 10 can also be designed in two parts. Such a two-part design has the advantage that a so-called zero-force plug connection can be implemented with it.
  • the two-part connector 10 is characterized in that it has a contact carrier, which in turn comprises contact chambers into which the contact partners are inserted. This contact carrier is then inserted in a connector housing, the contact carrier and connector housing being axially displaceable relative to one another.
  • the connector housing of the connector 10 is first inserted into its end position in the mating connector 20, while the contact carrier is not yet in its final position with respect to the mating connector 20.
  • the entire plug connection is not yet plugged together, so that the locking element 1 cannot yet be moved from its pre-locking position into its final locking position.
  • This is namely initially prevented by the locking lug 14, which is present in this embodiment. Only when the contact carrier has also been brought into its final position in relation to the mating connector 20 is it possible for the locking element 1 to be able to be brought from the pre-locked position into the final locked position.
  • the locking lug 14 blocks the further movement of the first stage 3 of the locking element 1, so that this cannot yet be brought into its final locking position. Only after both the primary locking of the connector housing of the two-part connector has latched and after the contact carrier of the two-part connector 10 has also been brought into its final position in relation to the mating connector 20, so that the entire connector is plugged together and thus functional, can the locking element 1 be brought from its Vorverrast ein to its Endverrast ein.

Description

Die Erfindung betrifft eine Steckverbindung, umfassend einen Steckverbinder und einen damit zusammensteckbaren Gegensteckverbinder, wobei die Steckverbindung weiterhin ein Verriegelungselement aufweist, gemäß den Merkmalen des Oberbegriffes des Patentanspruches 1.The invention relates to a plug connection, comprising a plug connector and a mating plug connector that can be plugged together therewith, the plug connection furthermore having a locking element, according to the features of the preamble of claim 1.

Aus der DE 103 41 136A1 ist eine Steckverbindung bekannt, die einen Steckverbinder und einen Gegensteckverbinder aufweist, wobei der Steckverbinder erste und der Gegensteckverbinder damit korrespondierende weitere eine Verrastgeometrie bildende Rastmittel aufweist, mittels derer bei zusammengesetzter Steckverbindung eine erste Verrastung (Primärverriegelung) zwischen Steckverbinder und Gegensteckverbinder erfolgt, und wobei ein Verriegelungselement vorgesehen ist, welches zwischen einer Vorverraststellung und einer Endverraststellung in Steckrichtung längs verschiebbar ist, wobei das Verriegelungselement derart gestaltet ist, dass es erst dann von seiner Vorverraststellung in die Endverraststellung verschiebbar ist, wenn sich der Gegensteckverbinder vollständig in dem Steckverbinder befindet (oder umgekehrt).From the DE 103 41 136A1 A plug connection is known which has a plug connector and a mating connector, the plug connector having the first and the mating connector having corresponding further latching means forming a latching geometry, by means of which a first latching (primary locking) takes place between the plug connector and the mating connector when the plug connection is assembled, and a locking element is provided, which is longitudinally displaceable between a Vorverraststellung and a Endverraststellung in the plugging direction, the locking element is designed such that it can only be moved from its Vorverraststellung into the Endverraststellung when the mating connector is completely in the connector (or vice versa).

Mit dem Verriegelungselement dieses Standes der Technik wird es ermöglicht, eine Kontrolle des Zusammensteckens von Steckverbinder und Gegensteckverbinder durchzuführen. Erst wenn der Steckverbinder vollständig in den Gegensteckverbinder eingesteckt worden ist und somit auch der entsprechende elektrische Kontakt hergestellt worden ist, ermöglicht es die Gestaltung des Verriegelungselementes, dieses von seiner Vorverraststellung (wenn Steckverbinder und Gegensteckverbinder noch nicht vollständig zusammengesteckt worden sind) in seine Endverraststellung zu verschieben, wenn sich der Steckverbinder in seiner Sollposition zu dem Gegensteckverbinder befindet. Damit ist bei dem Zusammenstecken der Steckverbindung sowohl eine optische, eine haptische und auch eine akustische Kontrolle des komplett erfolgten Steckvorganges möglich. Denn solange Steckverbinder und Gegensteckverbinder noch nicht vollständig zusammengesteckt worden sind, ist es nicht möglich, das Verriegelungselement von seiner Vorverraststellung in seine Endverraststellung zu bringen.With the locking element of this prior art, it is possible to carry out a control of the plugging together of connector and mating connector. Only when the connector has been completely inserted into the mating connector and thus the corresponding electrical contact has also been made does the design of the locking element enable it to be released from its pre-latched position (when the connector and mating connector have not yet been fully plugged together) to move into its final locking position when the connector is in its desired position relative to the mating connector. When the plug connection is plugged together, optical, haptic and also acoustic control of the plugging process that has taken place is possible. Because as long as the connector and mating connector have not yet been fully plugged together, it is not possible to move the locking element from its pre-locking position into its final locking position.

Obwohl diese Steckkontrolle zuverlässig in der Praxis eingesetzt werden kann, besteht noch ein Bedürfnis hinsichtlich der Haltekräfte, wenn Zugkräfte auf die Steckverbindung wirken. Hierzu sind zwar im Stand der Technik bei der DE 103 41 136 A1 schon erste Rastmittel vorgesehen, die am Steckverbinder mit Ausnehmung, Anschlagfläche und Quersteg ausgebildet sind. Mit diesen Rastmitteln korrespondiert eine Rastnase, die an dem Gegensteckverbinder angeordnet ist. In der Praxis hat es sich jedoch gezeigt, dass diese ersten Rastmittel des Steckverbinders (die im Folgenden auch als Verrastgeometrie werden) sich von der Rastnase des Gegensteckverbinders lösen können, wenn in entgegengesetzter Richtung bestimmte Zugkräfte einmal auf den Steckverbinder und einmal auf den Gegensteckverbinder wirken. Da diese Rastmittel des Steckverbinders sowie die Rastnase des Gegensteckverbinders aus Kunststoff bestehen, besteht die Gefahr, dass der Quersteg der Rastmittel des Steckverbinders über den parallel dazu ausgerichteten Anschlag der Rastnase des Gegensteckverbinders gleiten kann. Infolge dessen hebt die Verrastgeometrie des Steckverbinders in ungewollter und damit nachteiliger Weise von der Rastnase des Gegensteckverbinders ab und trotz Vorhandensein des Verriegelungselementes kann sich die Steckverbindung lösen. Bei diesem Lösevorgang handelt es sich um einen ungewünschten Vorgang, da dieser gegebenenfalls sicherheitskritische Auswirkungen haben kann.Although this plug-in check can be used reliably in practice, there is still a need for holding forces when tensile forces act on the plug-in connection. This is true in the prior art at DE 103 41 136 A1 already provided first locking means, which are formed on the connector with recess, stop surface and crossbar. A locking lug, which is arranged on the mating connector, corresponds to these locking means. In practice, however, it has been shown that these first locking means of the connector (which are also referred to below as locking geometry) can detach themselves from the locking lug of the mating connector when certain tensile forces act once on the connector and once on the mating connector in the opposite direction. Since these latching means of the plug connector and the latching lug of the mating connector are made of plastic, there is a risk that the transverse web of the latching means of the plug connector can slide over the stop of the latching lug of the mating connector that is aligned parallel thereto. As a result, the latching geometry of the connector lifts in an undesired and thus disadvantageous manner from the latching lug of the mating connector and, despite the presence of the locking element, the connector can loosen. With this one The loosening process is an undesirable process, as this can possibly have safety-critical effects.

WO 2013/092310 A1 offenbart eine Steckverbindung gemäß dem Oberbegriff des Anspruchs 1. WO 2013/092310 A1 discloses a plug connection according to the preamble of claim 1.

Der Erfindung liegt daher die Aufgabe zugrunde, eine gattungsgemäße Steckverbindung mit einem Verriegelungselement dahingehend zu verbessern, dass die eingangs geschilderten Nachteile vermieden werden. Insbesondere soll mit dem Verriegelungselement ein Lösen der Primärverriegelung der Steckverbindung verhindert werden.The invention is therefore based on the object of improving a generic plug connection with a locking element in such a way that the disadvantages described at the outset are avoided. In particular, the locking element is intended to prevent the primary locking of the plug connection from being released.

Diese Aufgabe ist durch die Merkmale des Patentanspruches 1 gelöst. Erfindungsgemäß ist vorgesehen, dass der Steckverbinder über das Verriegelungselement auf die Verrastgeometrie des Steckverbinders wirkende Rastmittel, die als Rastnase ausgebildet ist, aufweist. Diese Rastmittel wirken dann über das Verriegelungselement auf die Verrastgeometrie, wenn sich sowohl die Verrastgeometrie der Primärverriegelung als auch das Verriegelungselement jeweils in ihrer Endposition befinden. Die Endposition des Verriegelungselementes ist die Endverraststellung, also wenn das Verriegelungselement von seiner Vorverraststellung in seine Endverraststellung verschoben worden ist, nachdem Steckverbinder und Gegensteckverbinder komplett ineinander zusammengesteckt worden sind. Die Endposition der Verrastgeometrie ist dann erreicht, wenn die korrespondierenden Rastmittel des Steckverbinders und des Gegensteckverbinders zur Bildung der Primärverriegelung sich ebenfalls im komplett zusammengesteckten Zustand der Steckverbindung in ihrer Endposition befinden. Erst dann wird über die Rastmittel des Steckverbinders, insbesondere über die Rastnase, über das Verriegelungselement auf die Verrastgeometrie der Primärverriegelung eingewirkt, sodass diese in ihrer eingenommenen Position festgelegt ist und sich auch bei ungewöhnlich hohen Zugbeanspruchungen auf die Steckverbindung nicht mehr lösen kann. Als Beispiel für solche Zugbeanspruchungen wird folgendes Beispiel genannt. Im Regelfall hält die Primärverriegelung Zugbeanspruchungen bis etwa 50 Newton aus, ohne dass zusätzliche Maßnahmen erforderlich sind. Übersteigen diese Zugbeanspruchungen jedoch die Größenordnung von etwa 50 bis 60 Newton, besteht die Gefahr, dass sich die Primärverriegelung zwischen Steckverbinder und Gegensteckverbinder löst und die Steckverbindung in ungewünschter Weise getrennt wird. Mit der erfindungsgemäßen Festlegung der Verrastgeometrie mittels des Rastmittels des Steckverbinders, welches über das Verriegelungselement auf die Verrastgeometrie wirkt, lassen sich problemlos Zugkräfte größer 80 Newton realisieren, ohne dass die Primärverriegelung gelöst wird.This object is achieved by the features of claim 1. According to the invention it is provided that the connector has locking means which act on the locking geometry of the connector via the locking element and which are designed as a locking lug. These latching means then act on the latching geometry via the locking element when both the latching geometry of the primary lock and the locking element are each in their end position. The end position of the locking element is the end locking position, that is, when the locking element has been moved from its pre-locking position into its end locking position after the connector and mating connector have been completely plugged together. The end position of the latching geometry is reached when the corresponding latching means of the plug connector and the mating plug connector for forming the primary lock are also in their end position when the plug connection is completely plugged together. Only then is the locking element of the primary lock acted on via the locking means of the plug connector, in particular via the locking lug, via the locking element, so that it is fixed in its assumed position and also with unusually high tensile loads on the connector can no longer be released. The following example is given as an example of such tensile loads. As a rule, the primary lock can withstand tensile loads of up to around 50 Newtons without additional measures being necessary. However, if these tensile stresses exceed the order of magnitude of about 50 to 60 Newtons, there is a risk that the primary lock between the connector and the mating connector will be released and the connector will be separated in an undesired manner. With the definition of the latching geometry according to the invention by means of the latching means of the plug connector, which acts on the latching geometry via the locking element, tensile forces greater than 80 Newtons can be easily achieved without the primary locking being released.

Mit der erfindungsgemäßen Lösung werden somit die folgenden Vorteile erreicht, die vor allen Dingen bei der Anwendung der beschriebenen Steckverbindung im automotiven Bereich wesentlich sind.With the solution according to the invention, the following advantages are thus achieved, which are essential above all when the plug-in connection described is used in the automotive sector.

Zum einen wird mit dem Verriegelungselement sichergestellt, dass der Zusammensteckvorgang von Steckverbinder und Gegensteckverbinder kontrolliert erfolgen kann, da ohne einen kompletten Steckvorgang das Verriegelungselement nicht verschoben werden kann. Gleichzeitig wird nach erfolgtem kompletten Steckvorgang und dem Verschieben des Verriegelungselementes sichergestellt, dass über das Verriegelungselement auf die Rastmittel der Primärverriegelung eingewirkt wird, und zwar derart, dass über dieses Einwirken ein Lösen der Primärverriegelung bei Zugbeanspruchungen auf die Steckverbindung nicht mehr möglich ist. Durch den Einsatz des Verriegelungselementes nicht nur zur Steckkontrolle, sondern auch zur Einwirkung auf die Primärverriegelung wird außerdem die Handhabe bei der Montage der Steckverbindung deutlich erleichtert. Denn in einem Montageschritt, nämlich dem Längsverschieben des Verriegelungselementes, erfolgt die Steckkontrolle und gleichzeitig zusätzlich die Festlegung der Primärverriegelung.On the one hand, the locking element ensures that the process of plugging the plug connector and mating connector can be carried out in a controlled manner, since the locking element cannot be moved without a complete plugging process. At the same time, after the complete plug-in process and the displacement of the locking element, it is ensured that the locking element of the primary lock acts on the latching means of the primary lock in such a way that the primary lock can no longer be released when the connector is subjected to tensile stresses. By using the locking element not only for checking the plugging, but also for acting on the primary locking, the handling during the assembly of the plug connection is also made significantly easier. Because in one assembly step, namely the If the locking element is moved lengthways, the plug-in check is carried out and the primary locking is also determined at the same time.

Ein Ausführungsbeispiel der Steckverbindung mit entsprechend gestaltetem Verriegelungselement wird im Folgenden beschrieben und anhand der Figuren erläutert.An exemplary embodiment of the plug connection with a correspondingly designed locking element is described below and explained with reference to the figures.

Figur 1 zeigt, soweit im Einzelnen dargestellt, ein beispielhaftes Verriegelungselement 1, mit dem die zuvor geschilderten Vorteile erreicht werden können. Das Verriegelungselement 1 weist einen Frontbereich 2 mit einer dort vorhandenen ersten Stufe 3 auf. Weiterhin umfasst es eine Lasche 4 sowie weist es zumindest einen, in Figur 1 zwei parallel zu dem Verriegelungselement 1 bzw. dessen Lasche 4 parallel verlaufende Flügel 5 auf. Figure 1 shows, as far as shown in detail, an exemplary locking element 1 with which the advantages described above can be achieved. The locking element 1 has a front area 2 with a first step 3 present there. Furthermore, it comprises a tab 4 and it has at least one, in Figure 1 two wings 5 running parallel to the locking element 1 or its tab 4.

Bezüglich der Funktionsweise des Verriegelungselementes 1 in einer Steckverbindung mit Steckverbinder (auch als Kupplung bezeichnet) und Gegensteckverbinder (auch als Stecker bezeichnet) wird Bezug genommen auf die DE 103 41 136 A1 (dort [0009] bis [0027] auf den Seiten 3/10 bis 6/10 der Offenlegungsschrift).With regard to the functioning of the locking element 1 in a plug connection with a plug connector (also referred to as a coupling) and a mating plug connector (also referred to as a plug), reference is made to FIG DE 103 41 136 A1 (there [0009] to [0027] on pages 3/10 to 6/10 of the laid-open specification).

Ein Steckverbinder 10 und ein Gegensteckverbinder 2 sind schematisch in Figur 2 dargestellt. Dort ist erkennbar, dass an dem Steckverbinder 10 das Verriegelungselement 1 angeordnet ist. Das Verriegelungselement 1 ist in einem Gehäuse 11, welches Bestandteil des Steckverbinders 10 ist, untergebracht. Es kann dort von einer Vorverraststellung (nicht dargestellt) in eine Endverraststellung (in Figur 2 dargestellt) bezüglich der Längsachse des Steckverbinders 10 verbracht werden.A connector 10 and a mating connector 2 are shown schematically in FIG Figure 2 shown. It can be seen there that the locking element 1 is arranged on the plug connector 10. The locking element 1 is accommodated in a housing 11, which is part of the plug connector 10. There it can go from a pre-locking position (not shown) to a final locking position (in Figure 2 shown) with respect to the longitudinal axis of the connector 10 are brought.

Sowohl der Steckverbinder 10 als auch der Gegensteckverbinder 20 weisen in an sich bekannter Weise Kontaktkammern auf, in welchen korrespondierende Kontaktpartner untergebracht sind. Die Kontaktpartner von Steckverbinder 10 und Gegensteckverbinder 20 korrespondieren hinsichtlich des Steckvorganges auf der Steckgesicht-seitigen Seite der beiden Verbinder 10, 20. Auf der dem Steckgesicht abgewandten Seite ist entweder ein Kabelabgang vorgesehen (zum Beispiel bei dem Steckverbinder 10 in Figur 2), wobei der Gegensteckverbinder 20 ebenfalls einen Kabelabgang aufweisen kann oder Bestandteil eines Gehäuses eines elektrischen Gerätes (wie zum Beispiel ein Sensor, ein Aktor, ein Steuergerät oder dergleichen) sein kann.Both the plug connector 10 and the mating plug connector 20 have, in a manner known per se, contact chambers in which corresponding contact partners are accommodated. The contact partners of connector 10 and mating connector 20 correspond with regard to the plugging process on the mating face side of the two connectors 10, 20. On the side facing away from the mating face, either a cable outlet is provided (for example with the connector 10 in Figure 2 ), wherein the mating connector 20 can also have a cable outlet or can be part of a housing of an electrical device (such as a sensor, an actuator, a control device or the like).

Die Details der Verrastgeometrie des Verriegelungselementes 1 mit den zugehörigen Mitteln des Steckverbinders 10 und des Gegensteckverbinders 20 werden bezüglich der Figur 3 näher erläutert.The details of the locking geometry of the locking element 1 with the associated means of the connector 10 and the mating connector 20 are with respect to the Figure 3 explained in more detail.

In Figur 3 ist dargestellt, dass das Verriegelungselement 1 in das Gehäuse 11 des Steckverbinders 10 eingeschoben worden ist. In dieser Endverraststellung des Verriegelungselementes 1 wirkt der zumindest eine Flügel 5 des Verriegelungselementes 1 mit Rastmitteln des Steckverbinders 10, insbesondere mit einer Rastnase 12, zusammen. Weiterhin wirkt der Frontbereich 2 des Verriegelungselementes 1 mit einer Verrastgeometrie 13 des Steckverbinders 10 zusammen. Die Verrastgeometrie 13 des Steckverbinders 10 ist so gestaltet, dass das Verriegelungselement 1 erst dann in seine Endverraststellung verschoben werden kann, wenn die Primärverriegelung zwischen Steckverbinder 10 und Gegensteckverbinder 20 erfolgt ist. Das bedeutet, dass zunächst die Verrastgeometrie 13 mit Rastmitteln, insbesondere einer Rastnase 12, des Gegensteckverbinders 20 zusammengewirkt haben muss, bevor das Verriegelungselement 1, insbesondere mittels seiner ersten Stufe 3 über die Rastmittel des Gegensteckverbinders 20, insbesondere dessen Rastnase 21, hinweggleiten kann. Wenn also das Verriegelungselement 1 seine Endverraststellung gemäß Figur 3 erreicht hat, wirkt die Verrastgeometrie 13 des Steckverbinders 10 zumindest mit den Rastmitteln, insbesondere der Rastnase 21, des Gegensteckverbinders 20 zusammen. Weiterhin kann, muss aber nicht ein weiteres Rastmittel, zum Beispiel in Form einer weiteren Rastnase 14 vorhanden sein, welches ebenfalls mit der Verrastgeometrie 13 zusammenwirken kann. Diesbezüglich wird auf den Text am Ende der Beschreibung bezüglich des Aufbaus des Steckverbinders 10 verwiesen.In Figure 3 it is shown that the locking element 1 has been pushed into the housing 11 of the connector 10. In this final locking position of the locking element 1, the at least one wing 5 of the locking element 1 interacts with locking means of the plug connector 10, in particular with a locking lug 12. Furthermore, the front area 2 of the locking element 1 interacts with a latching geometry 13 of the plug connector 10. The locking geometry 13 of the connector 10 is designed so that the locking element 1 can only be moved into its final locking position when the primary locking between the connector 10 and the mating connector 20 has taken place. This means that the latching geometry 13 must first have interacted with latching means, in particular a latching lug 12, of the mating connector 20 before the locking element 1, in particular can slide away by means of its first stage 3 over the latching means of the mating connector 20, in particular its latching lug 21. So when the locking element 1 according to its Endverraststellung Figure 3 has reached, the locking geometry 13 of the connector 10 interacts at least with the locking means, in particular the locking lug 21, of the mating connector 20. Furthermore, a further latching means, for example in the form of a further latching lug 14, which can also interact with the latching geometry 13, can, but does not have to be present. In this regard, reference is made to the text at the end of the description relating to the structure of the connector 10.

Zur Verdeutlichung der Ausgestaltung und der Funktionsweise der Primärverriegelung im Zusammenspiel mit dem Verriegelungselement wird auf die Figur 4 verwiesen. In Figur 4 ist entlang der Schnittlinie IV gemäß Figur 3 die Verrastgeometrie 13 dargestellt. Diese Verrastgeometrie 13 ist Bestandteil des Steckverbinders 10 und ausgestaltet beispielsweise als Quersteg 131, der im Frontbereich er Verrastgeometrie 13 vorhanden ist und an den sich parallel verlaufende Längsstege 132 anschließen. Wenn der Steckverbinder 10 in den Gegensteckverbinder 20 gemäß Figur 2 eingesteckt wird, gleitet der Quersteg 131 zumindest über die Rastnase 21 des Gegensteckverbinders 20, wobei die Rastnase 14 vorhanden sein kann, aber auch weggelassen werden kann. Sobald bei Betrachtung der Figur 4 von oben der Quersteg 131 über die Rastnase 21 bewegt wurde, wobei die Längsstege 132 leicht angehoben wurden, kommt der Quersteg 131 hinter der Rastnase 21 (und gegebenenfalls hinter der Rastnase 14) wieder zur Anlage. Würde bei Betrachtung der Figur 4 die Verrastgeometrie 13 nach rechts bewegt werden, wäre dies nicht möglich, da dann der Quersteg 131 an der Rastnase 21 (bzw. der Rastnase 14, sofern vorhanden) anliegt. Damit ist im vollständig zusammengesteckten Zustand der Steckverbindung die Primärverriegelung realisiert. Wie eingangs schon dargelegt besteht nun die Gefahr, dass bei ungewöhnlich hohen Zugbeanspruchungen der Quersteg 131 bei Betrachtung der Figur 4 über die Rastnase 41 gleiten könnte, sodass damit die schon hergestellte Primärverriegelung in nachteiliger Weise gelöst wird. Um dies zu verhindern wirkt, wie in Figur 5 entsprechend der Schnittlinie V gemäß Figur 4 dargestellt ist, das Rastmittel, insbesondere die Rastnase 12 des Steckverbinders 10, über das Verriegelungselement 1, insbesondere dessen zumindest einen Flügel 5, auf die Verrastgeometrie 13, insbesondere auf den Längssteg 132. Durch dieses Einwirken der Rastnase 12 über den Flügel 5 auf den Längssteg 132 in der Endverraststellung des Verriegelungselementes 1 wird bewirkt, dass der vordere Bereich der Verrastgeometrie 13, insbesondere der Quersteg 131, und auch der Längssteg 132 bei Betrachtung der Figur 5 nicht mehr nach oben bewegt werden kann, wenn hohe Zugbeanspruchungen auf die Steckverbindung und damit auf die Primärverriegelung wirken. Damit wird in vorteilhafter Weise die gesamte Verrastgeometrie 13, insbesondere der Quersteg 131 mit den sich anschließenden Längsstegen 132, durch das Verriegelungselement 1 in dessen Endverraststellung so festgelegt, dass sich die Primärverriegelung bei großer Zugbeanspruchung auf die Steckverbindung nicht mehr lösen kann.To clarify the design and the mode of operation of the primary lock in interaction with the locking element, reference is made to the Figure 4 referenced. In Figure 4 is along the section line IV according to Figure 3 the locking geometry 13 is shown. This latching geometry 13 is part of the plug connector 10 and is configured, for example, as a transverse web 131 which is present in the front area of the latching geometry 13 and to which parallel longitudinal webs 132 connect. When the connector 10 in the mating connector 20 according to Figure 2 is inserted, the transverse web 131 slides at least over the locking lug 21 of the mating connector 20, wherein the locking lug 14 can be present, but can also be omitted. As soon as looking at the Figure 4 If the transverse web 131 has been moved from above over the latching lug 21, the longitudinal webs 132 being slightly raised, the transverse web 131 comes to rest behind the latching lug 21 (and possibly behind the locking lug 14) again. Would consider the Figure 4 the latching geometry 13 are moved to the right, this would not be possible, since the crosspiece 131 then rests against the latching lug 21 (or the latching lug 14, if present). In this way, the primary locking is implemented when the plug-in connection is completely plugged together. As already stated at the beginning there is now the There is a risk that, in the event of unusually high tensile stresses, the transverse web 131 when viewing the Figure 4 Could slide over the locking lug 41, so that the primary lock that has already been established is disadvantageously released. To prevent this acts as in Figure 5 according to the section line V according to Figure 4 is shown, the locking means, in particular the locking lug 12 of the connector 10, via the locking element 1, in particular its at least one wing 5, on the locking geometry 13, in particular on the longitudinal web 132. By this action of the locking lug 12 via the wing 5 on the longitudinal web 132 in the final locking position of the locking element 1, the front area of the locking geometry 13, in particular the transverse web 131, and also the longitudinal web 132 when viewing the Figure 5 can no longer be moved upwards if high tensile loads act on the connector and thus on the primary locking. In this way, the entire locking geometry 13, in particular the transverse web 131 with the adjoining longitudinal webs 132, is advantageously fixed by the locking element 1 in its final locking position so that the primary lock can no longer be released when the connector is subjected to high tensile stress.

Gleichzeitig besteht der Vorteil, dass die Steckverbindung dann gelöst werden kann, wenn das Verriegelungselement 1 von seiner Endverraststellung wieder in seine Vorverraststellung gebracht wird. Bei diesem Vorgang wird der zumindest eine Flügel aus dem Bereich zwischen der Rastnase 12 und der Verrastgeometrie 13 (genauer dessen Längssteg 132) bei Betrachtung der Figur 5 herausbewegt, sodass dadurch zwischen den Rastmitteln des Steckverbinders 10 (also der Rastnase 12) und der Verrastgeometrie 13 (also dem Längssteg 132) ein Freiraum entsteht. Nachdem das Verriegelungselement in seine Vorverraststellung gebracht worden ist, ist es möglich, die dem Frontbereich der Verrastgeometrie 13 entgegengesetzten Seite (Ende) der Verrastgeometrie 13 (bei Betrachtung der Figur 5) nach unten zu drücken, sodass der Frontbereich, insbesondere der Quersteg 131, nach oben in Folge des Freiraumes ausgelenkt wird und über die Oberkante der Rastnase 21 (und gegebenenfalls der Rastnase 14) wieder bei Betrachtung der Figur 5 nach rechts verschoben werden kann. Damit ist ein gewolltes Lösen der Steckverbindung dann möglich, wenn das Verriegelungselement 1 von seiner Endverraststellung in seine Vorverraststellung gebracht worden ist und auf die Verrastgeometrie 13, gegebenenfalls auch über das Verriegelungselement 1, gedrückt wurde, sodass über diesen Vorgang die Primärverriegelung gelöst wird und der Steckverbinder 10 von dem Gegensteckverbinder 20 getrennt werden kann.At the same time, there is the advantage that the plug connection can be released when the locking element 1 is brought from its final locking position back into its pre-locking position. During this process, the at least one wing is removed from the area between the latching lug 12 and the latching geometry 13 (more precisely its longitudinal web 132) when viewing the Figure 5 moved out, so that a free space is created between the latching means of the plug connector 10 (that is to say the latching lug 12) and the latching geometry 13 (that is to say the longitudinal web 132). After the locking element has been brought into its Vorverraststellung, it is possible to the front area of the locking geometry 13 opposite side (end) of the Latching geometry 13 (when looking at the Figure 5 ) to press down, so that the front area, in particular the transverse web 131, is deflected upwards as a result of the free space and over the upper edge of the locking lug 21 (and possibly the locking lug 14) again when viewing the Figure 5 can be moved to the right. A deliberate release of the plug connection is then possible when the locking element 1 has been brought from its final locking position into its pre-locking position and has been pressed onto the locking geometry 13, possibly also via the locking element 1, so that the primary lock is released via this process and the connector 10 can be separated from the mating connector 20.

Bezüglich der Ausgestaltung des Steckverbinders 10 und dem Vorhandensein oder Nichtvorhandensein der Rastnase 14 ist noch folgendes wichtig.With regard to the design of the connector 10 and the presence or absence of the latching lug 14, the following is also important.

In einer einfachen Ausgestaltung ist der Steckverbinder 10 einstückig und bildet sowohl das Gehäuse 10 für das Verriegelungselement 1 als auch Kontaktkammern, in die in an sich bekannter Weise Kontaktpartner eingesetzt werden können. In einer solchen einfachen Ausgestaltung ist ein Steckverbinder 10 beispielsweise in einem Kunststoffspritzgussverfahren herstellbar.In a simple embodiment, the plug connector 10 is in one piece and forms both the housing 10 for the locking element 1 and contact chambers into which contact partners can be inserted in a manner known per se. In such a simple embodiment, a plug connector 10 can be produced, for example, in a plastic injection molding process.

Darüber hinaus kann der Steckverbinder 10 auch zweiteilig ausgebildet werden. Eine solche zweiteilige Ausgestaltung hat den Vorteil, dass mit ihm eine sogenannte Null-Kraft-Steckverbindung realisiert werden kann. Der zweiteilige Steckverbinder 10 ist dadurch gekennzeichnet, dass er einen Kontaktträger aufweist, der seinerseits Kontaktkammern umfasst, in die die Kontaktpartner eingesetzt werden. Dieser Kontaktträger ist dann in einem Steckverbindergehäuse eingesetzt, wobei Kontaktträger und Steckverbindergehäuse axial relativ zueinander verschiebbar sind.In addition, the connector 10 can also be designed in two parts. Such a two-part design has the advantage that a so-called zero-force plug connection can be implemented with it. The two-part connector 10 is characterized in that it has a contact carrier, which in turn comprises contact chambers into which the contact partners are inserted. This contact carrier is then inserted in a connector housing, the contact carrier and connector housing being axially displaceable relative to one another.

Wird ein solcher zweigeteilter Steckverbinder eingesetzt, wird er zusammen mit Kontaktträger und Steckverbindergehäuse in den Gegensteckverbinder 20 eingesetzt. Dabei wird zunächst das Steckverbindergehäuse des Steckverbinders 10 in seine Endposition in den Gegensteckverbinder 20 eingesetzt, während der Kontaktträger sich noch nicht in seiner endgültigen Position hinsichtlich des Gegensteckverbinders 20 befindet. In diesem Zustand ist die gesamte Steckverbindung noch nicht zusammengesteckt, sodass auch das Verriegelungselement 1 noch nicht von seiner Vorverraststellung in seine Endverraststellung gebracht werden kann. Dies wird nämlich durch die Rastnase 14, die bei dieser Ausgestaltung vorhanden ist, zunächst verhindert. Erst wenn auch der Kontaktträger in seine endgültige Position in Bezug auf den Gegensteckverbinder 20 gebracht worden ist, ist es möglich, dass das Verriegelungselement 1 von der Vorverraststellung in die Endverraststellung gebracht werden kann. Dies erfolgt dadurch, dass die erste Stufe 3 nicht nur über die auf jeden Fall vorhandene Rastnase 21 des Gegensteckverbinders 20 gleiten kann, sondern auch über die Rastnase 14 des Steckverbinders 10. Denn solange der Kontaktträger des zweiteiligen Steckverbinders 10 sich noch nicht in seiner endgültigen Position in Bezug auf den Gegensteckverbinder 20 befindet, blockiert die Rastnase 14 die Weiterbewegung der ersten Stufe 3 des Verriegelungselementes 1, sodass dieses noch nicht in seine Endverraststellung gebracht werden kann. Erst nachdem sowohl die Primärverriegelung des Steckverbindergehäuses des zweiteiligen Steckverbinders verrastet ist und nachdem dann auch der Kontaktträger des zweigeteilten Steckverbinders 10 in seine endgültige Lage in Bezug auf den Gegensteckverbinder 20 gebracht worden ist, sodass die gesamte Steckverbindung zusammengesteckt und damit funktionstüchtig ist, kann das Verriegelungselement 1 von seiner Vorverraststellung in seine Endverraststellung gebracht werden. Dadurch wird zum einen signalisiert, dass die Steckverbindung funktionstüchtig zusammengesteckt ist und gleichzeitig verhindert, dass die Primärverriegelung gelöst werden kann bei ungewöhnlich hohen Zugbeanspruchungen auf die Steckverbindung, da dies durch das Einwirken der Rastmittel des Steckverbinders 10 über das Verriegelungselement 1 auf die Verrastgeometrie 13 wie beschrieben wirkungsvoll verhindert wird.If such a two-part connector is used, it is inserted into the mating connector 20 together with the contact carrier and connector housing. In this case, the connector housing of the connector 10 is first inserted into its end position in the mating connector 20, while the contact carrier is not yet in its final position with respect to the mating connector 20. In this state, the entire plug connection is not yet plugged together, so that the locking element 1 cannot yet be moved from its pre-locking position into its final locking position. This is namely initially prevented by the locking lug 14, which is present in this embodiment. Only when the contact carrier has also been brought into its final position in relation to the mating connector 20 is it possible for the locking element 1 to be able to be brought from the pre-locked position into the final locked position. This occurs because the first stage 3 can slide not only over the latch 21 of the mating connector 20, which is always present, but also over the latch 14 of the connector 10. As long as the contact carrier of the two-part connector 10 is not yet in its final position is located in relation to the mating connector 20, the locking lug 14 blocks the further movement of the first stage 3 of the locking element 1, so that this cannot yet be brought into its final locking position. Only after both the primary locking of the connector housing of the two-part connector has latched and after the contact carrier of the two-part connector 10 has also been brought into its final position in relation to the mating connector 20, so that the entire connector is plugged together and thus functional, can the locking element 1 be brought from its Vorverraststellung to its Endverraststellung. This signals, on the one hand, that the plug connection is properly plugged together and at the same time prevents the primary lock from being released unusually high tensile stresses on the plug connection, since this is effectively prevented by the action of the latching means of the plug connector 10 via the locking element 1 on the latching geometry 13, as described.

BezugszeichenlisteList of reference symbols

1.1.
VerriegelungselementLocking element
2.2.
FrontbereichFront area
3.3rd
Erste StufeFirst stage
4.4th
LascheTab
5.5.
Flügelwing
1010
SteckverbinderConnectors
1111
Gehäusecasing
1212th
RastnaseLocking lug
1313th
VerrastgeometrieLocking geometry
131131
QuerstegCrossbar
132132
LängsstegLongitudinal web
1414th
RastnaseLocking lug
2020th
GegensteckverbinderMating connector
2121st
RastnaseLocking lug

Claims (2)

  1. Plug-in connection which has a plug-in connector (10) and a mating plug-in connector (20), wherein the plug-in connector (10) has first latching means and the mating plug-in connector (20) has corresponding further latching means which form a latching geometry (13), by means of which first and second latching means a first latching operation between the plug-in connector (10) and the mating plug-in connector (20) takes place with the plug-in connection assembled, and wherein a locking element (1) is provided, which is longitudinally displaceable between a preliminary latching position and a final latching position in the plug-in direction, wherein the locking element (1) is designed in such a way that it can be displaced from its preliminary latching position to the final latching position only when the mating plug-in connector (20) is fully in the plug-in connector (10), wherein the plug-in connector (10) has a latching means which acts on the latching geometry (13) of the plug-in connector (10) via the locking element (1) and are designed as latching lugs (12), wherein the locking element (1) has at least one laterally longitudinally running wing (5), that the latching geometry (13) is formed by two parallel running webs (132) which are connected to one another in their front region by means of a transverse web (131), wherein the latching lug (12) of the plug-in connector (10) acts on the at least one web (132) by means of the locking element (1) and secures it, and that the at least one laterally longitudinally running wing (5) is arranged between the latching lug (12) and the latching geometry (13) when the locking element (1) is in its final latching position, characterized in that the locking element (1) has a front region (2) with a first step (3) and has a tab (4), wherein the front region (2) and the tab (4) are arranged in an angled manner in relation to one another.
  2. Plug-in connection according to Claim 1, characterized in that the at least one laterally longitudinally running wing (5) is arranged between the latching lug (12) and the web (132) of the latching geometry (13) when the locking element (1) is in its end position.
EP14189227.3A 2013-10-16 2014-10-16 Connector with a locking element with wings Active EP2863492B1 (en)

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ES (1) ES2888914T3 (en)

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CN112228932B (en) * 2020-10-14 2022-09-13 青岛海尔智慧厨房电器有限公司 Fume exhauster

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DE10341136A1 (en) 2003-09-06 2005-04-07 Hirschmann Austria Gmbh Locking element for a plug connection
KR200465368Y1 (en) * 2007-10-12 2013-02-14 에프씨아이 오토모티브 홀딩 Electrical connector assembly having connector position assurance device
JP5653150B2 (en) * 2010-09-16 2015-01-14 矢崎総業株式会社 Half-mating prevention connector
WO2013092310A1 (en) * 2011-12-23 2013-06-27 Delphi Connection Systems Holding France Electrical connectors assembly with connector positionning assurance

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DE102014221041A1 (en) 2015-04-16
ES2888914T3 (en) 2022-01-10

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