EP3111518A1 - Plug connector - Google Patents

Plug connector

Info

Publication number
EP3111518A1
EP3111518A1 EP15713834.8A EP15713834A EP3111518A1 EP 3111518 A1 EP3111518 A1 EP 3111518A1 EP 15713834 A EP15713834 A EP 15713834A EP 3111518 A1 EP3111518 A1 EP 3111518A1
Authority
EP
European Patent Office
Prior art keywords
contact element
latching
locking
housing
connector according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15713834.8A
Other languages
German (de)
French (fr)
Other versions
EP3111518B1 (en
Inventor
Jürgen Lappöhn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ERNI Production and Co KG GmbH
Original Assignee
ERNI Production and Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ERNI Production and Co KG GmbH filed Critical ERNI Production and Co KG GmbH
Publication of EP3111518A1 publication Critical patent/EP3111518A1/en
Application granted granted Critical
Publication of EP3111518B1 publication Critical patent/EP3111518B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • H01R13/432—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by stamped-out resilient tongue snapping behind shoulder in base or case
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4361—Insertion of locking piece perpendicular to direction of contact insertion
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Definitions

  • the invention relates to a connector having a housing and at least one chamber for receiving at least one electrical contact element, which can be fastened via a locking element in the housing, wherein the locking element is arranged on the contact element latching hook, which is adapted to an opening in the housing is latched.
  • a connector with a secondary locking is known for example from DE 20 2006 010 308 U1.
  • this connector which has at least one arranged in a connector base element contact element, at least one arranged in the contact element transversely to the direction of insertion secondary locking recess is provided, into which engages a locking cam of a secondary locking element in the locking position of the secondary locking element.
  • the contact element is designed as a spring contact element.
  • For attachment in the housing is provided that in a, connecting the two spring contacts U-shaped connecting plate a latching hook is arranged in the engages a corresponding detent opening in the housing. This locking hook is punched out of the U-shaped connecting plate.
  • the latching hook protrudes resiliently from the U-shaped connecting plate and engages in the locked state in the opening in the housing and thus holds the spring contact element, formed from the two spring contacts and the U-shaped connecting plate, in the housing.
  • Such attachment allows only limited tensile forces.
  • the assembly is awkward.
  • the production of the latching hook as punched out of the U-shaped connecting plate hook is expensive.
  • the locking element is not arranged in the U-shaped connecting plate between the spring contacts and on the side facing away from the spring contacts, but over the spring contacts in a manner such that the locking element like a cover over the U-shaped bent sheet metal is arranged, wherein it also extends into the front region of the spring contacts.
  • Such a design not only allows easy and quick production. It also allows a much larger design of the locking element.
  • the latching element since it surmounted the spring contacts so to speak cover-like manner, be formed over a wide area and therefore allows and because of its arrangement on the spring contacts a much greater resistance to pull-out than a arranged in the U-shaped connecting plate locking element.
  • the latching element has a latching hook, the bending region of which extends on the contact openings. turned side of the spring contacts is formed.
  • the latching hook is arranged in this way in the region of the contact openings.
  • the bending region has a greater width than the latching element. This allows high bending forces and improves stability.
  • the latching element has a bead extending essentially over its entire length.
  • the spring contacts on their side facing the latching element have a sloping support surface for the latching hook in the unlocked state.
  • the locking element is so to speak on the spring contacts as long as until it is engaged in the designated detent opening.
  • This support surface very advantageously limits the bending angle of the locking element and thus prevents damage to the locking element by overbending.
  • the locking element itself has on its side facing the spring contacts a bearing surface for a blade contact element.
  • a bearing surface for a blade contact element In the nested state of the blade contact element in the spring contact element disengagement of the latching hook is prevented from the detent opening, because the support surface rests on the blade contact element, the externa ßere parallelepiped shape to the opening of the "cover" -the locking element - completed U- shaped cross-section of the spring contact element is formed.
  • Such a connector may also have a secondary locking, as is apparent from DE 20 2006 010 308 U1.
  • the arrangement of the locking element on the spring contact elements allows this at the same time in a very advantageous manner securing a sol- Chen secondary locking before unlocking, because the locking element also prevents the same time that the secondary lock can be operated.
  • the spring contact element and the latching element are integrally formed with each other.
  • the spring contact element and the latching element are formed from a single stamped part and bent several times.
  • Fig. 1 is an isometric view of a spring contact element of a connector according to the invention
  • FIG. 2 is a plan view of the spring contact element shown in FIG. 1; FIG.
  • FIG. 3 is a side view of the spring contact element shown in FIGS. 1 and 2; FIG.
  • Fig. 5 shows an inventive connector in the locked state of the locking element
  • FIG. 6 of the connector shown in Fig. 5 after making a plug connection with a blade contact element.
  • a designated as a whole with 100 spring contact element of a connector according to the invention comprises two contact elements, which are formed in Fig. 1 as spring contacts 1 10, 120. These spring contacts 1 10, 120 die- NEN in a known manner the inclusion of a blade contact element (see Fig. 6).
  • the spring contacts 1 10, 120 are connected to each other via a connecting plate 130, wherein the two spring contacts 1 10, 120 together with the connecting plate 130 have a U-shaped configuration.
  • This U-shaped arrangement is as it were covered cover-like by a locking element 140, so that the U-shaped profile is designed together with this cover in section as a rectangular profile.
  • the spring contacts 1 10, 130 is followed by a crimping region 160, which serves to receive and crimp strands in a manner known per se.
  • the crimp region 160 is followed by a strain relief 162, which serves to receive an insulating jacket of a cable formed from strands.
  • the locking element 140 is mounted on the contact tips 1 1 1, 121 of the spring contacts 1 10, 120 side facing away from the U-shaped profile, for example, formed integrally therewith. It can be produced by a punching process from a flat sheet, which is angled at right angles three times, first to form the spring contacts 1 10, 120 and then to the formation of this latch-like arranged locking element 140.
  • the locking element 140 has a continuous longitudinally extending bead 141st on, which serves to increase the stability of the elongated locking element 140.
  • the contact blades 1 1 1, 121 facing the end of a latching hook 142 is formed on the locking element 140, whose function will be described in more detail below.
  • the spring contacts 1 10, 120 have on their upper side, that is, at their edge facing the latching element 140 surfaces 1 12, 122 which extend obliquely and which are formed as bearing surfaces for the latching element.
  • the latching element 140 in the region of the latching hook 142 has a bending region 143, which is wider than the latching element 140 itself the increase in the stability of the latching hook 142 and thus the increase of extraction forces from the connector housing.
  • Fig. 4 to Fig. 6 show a connector, that is, the arrangement of the above-described spring contact element 100 in a housing 200.
  • Fig. 4 illustrates the not yet engaged state of the locking element 140 in a designated opening 240 of the housing 200.
  • Wie 4 the electrical contact element in the form of the spring contact element 100 is arranged in a chamber 201 of the housing 200, which has both an opening 202 on the plug side and an opening 204 on the cable side.
  • the plug-in opening 202 serves to insert a blade contact element 500 in a manner known per se, the opening 204 serves to lead the cable (not shown) out of the housing 200.
  • the spring contact element 100 is moved from the rear side, that is to say from the opening 204 inserted into the housing 200, wherein initially the locking element 140 is not yet engaged. It is rather bent downwards and lies on the bearing surfaces 1 12, 122. By this resting the possibility of bending the locking element 140 is limited and thus prevents damage to the locking element 140 by overbending. After the spring contact element 100 is completely inserted into the housing 200, a complete latching of the latching element 140 takes place. For this purpose, the latching hook 142 engages in a designated opening 240 of the housing 200. This condition is shown in FIG.
  • Such a connector may also include a secondary latch 300 having latch cams 310, 320 which engage corresponding latch recesses 181, 182 of the spring contact element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention relates to a plug connector, comprising a housing and at least one chamber for accommodating at least one electrical contact element, which at least one electrical contact element can be fastened in the housing by means of a locking element, the locking element being a locking hook arranged on the contact element, which locking hook can be locked into an opening in the housing, which opening is matched to the locking hook, the at least one contact element being a spring contact element, the spring contacts of which are designed as legs of a sheet metal piece bent into a U-shape. The plug connector is characterized in that the locking element is arranged over the sheet metal piece bent into a U-shape in the manner of a cover in such a way that the locking element reaches into the front region of the spring contacts.

Description

Steckverbinder  Connectors
Die Erfindung betrifft einen Steckverbinder mit einem Gehäuse und zumindest einer Kammer zur Aufnahme wenigstens eines elektrischen Kontaktelements, welches über ein Verriegelungselement in dem Gehäuse befestigbar ist, wobei das Verriegelungselement ein an dem Kontaktelement angeordneter Rasthaken ist, der in eine an ihn angepasste Öffnung in dem Gehäuse einrastbar ist. The invention relates to a connector having a housing and at least one chamber for receiving at least one electrical contact element, which can be fastened via a locking element in the housing, wherein the locking element is arranged on the contact element latching hook, which is adapted to an opening in the housing is latched.
Stand der Technik State of the art
Ein Steckverbinder mit einer Sekundärverriegelung geht beispielsweise aus der DE 20 2006 010 308 U1 hervor. Bei diesem Steckverbinder, der wenigstens ein in einem Steckverbinder-Grundelement angeordnetes Kontaktelement aufweist, ist wenigstens eine im Kontaktelement quer zur Steckrichtung angeordnete Sekundär-Verriegelungsausnehmung vorgesehen, in die eine Verriegelungsnocke eines Sekundär-Verriegelungselements in der Verriegelungsposition des Sekundär-Verriegelungselements eingreift. Das Kontaktelement ist als Federkontaktelement ausgebildet. Zur Befestigung in dem Gehäuse ist vorgesehen, dass in einem, die beiden Federkontakte verbindenden U-förmigen Verbindungsblech ein Rasthaken angeordnet ist, der in eine entsprechende Rastöffnung im Gehäuse eingreift. Dieser Rasthaken wird aus dem U-förmigen Verbindungsblech ausgestanzt. Der Rasthaken ragt federnd aus dem U-förmigen Verbindungsblech hervor und greift im verrasteten Zustand in die Öffnung in dem Gehäuse ein und hält so das Federkontaktelement, gebildet aus den beiden Federkontakten und dem U-förmigen Verbindungsblech, in dem Gehäuse. Eine solche Befestigung erlaubt nur begrenzte Zugkräfte. Darüber hinaus gestaltet sich die Montage umständlich. Auch die Herstellung des Rasthakens als aus dem U-förmigen Verbindungsblech herausgestanzter Haken ist aufwendig. A connector with a secondary locking is known for example from DE 20 2006 010 308 U1. In this connector, which has at least one arranged in a connector base element contact element, at least one arranged in the contact element transversely to the direction of insertion secondary locking recess is provided, into which engages a locking cam of a secondary locking element in the locking position of the secondary locking element. The contact element is designed as a spring contact element. For attachment in the housing is provided that in a, connecting the two spring contacts U-shaped connecting plate a latching hook is arranged in the engages a corresponding detent opening in the housing. This locking hook is punched out of the U-shaped connecting plate. The latching hook protrudes resiliently from the U-shaped connecting plate and engages in the locked state in the opening in the housing and thus holds the spring contact element, formed from the two spring contacts and the U-shaped connecting plate, in the housing. Such attachment allows only limited tensile forces. In addition, the assembly is awkward. Also, the production of the latching hook as punched out of the U-shaped connecting plate hook is expensive.
Offenbarung der Erfindung Disclosure of the invention
Vorteile der Erfindung Advantages of the invention
Gegenüber dem aus dem Stand der Technik bekannten Steckverbinder wird bei dem erfindungsgemäßen Steckverbinder das Rastelement nicht im U- förmigen Verbindungsblech zwischen den Federkontakten und auf der den Federkontakten abgewandten Seite angeordnet, sondern über den Federkontakten und zwar in einer Weise, dass das Rastelement deckelartig über dem U-förmig gebogenen Blech angeordnet ist, wobei es zudem bis in den vorderen Bereich der Federkontakte reicht. Eine solche Ausbildung ermöglicht nicht nur eine einfache und schnelle Herstellung. Es ermöglicht auch eine wesentlich größere Ausbildung des Rastelements. Das Rastelement kann, da es die Federkontakte gewissermaßen deckelartig überragt, breitflächig ausgebildet werden und ermöglicht deswegen und wegen seiner Anordnung über den Federkontakten einen wesentlich größeren Widerstand gegenüber Ausziehkräften als ein in dem U-förmigen Verbindungsblech angeordnetes Rastelement. Vorteilhafte Weiterbildungen sind Gegenstand der abhängigen Unteransprüche. So ist beispielsweise vorgesehen, dass das Rastelement einen Rasthaken aufweist, dessen Biegebereich auf der den Kontaktöffnungen zu- gewandten Seite der Federkontakte ausgebildet ist. Der Rasthaken ist auf diese Weise im Bereich der Kontaktöffnungen angeordnet. Compared to the known from the prior art connector in the connector according to the invention, the locking element is not arranged in the U-shaped connecting plate between the spring contacts and on the side facing away from the spring contacts, but over the spring contacts in a manner such that the locking element like a cover over the U-shaped bent sheet metal is arranged, wherein it also extends into the front region of the spring contacts. Such a design not only allows easy and quick production. It also allows a much larger design of the locking element. The latching element, since it surmounted the spring contacts so to speak cover-like manner, be formed over a wide area and therefore allows and because of its arrangement on the spring contacts a much greater resistance to pull-out than a arranged in the U-shaped connecting plate locking element. Advantageous developments are the subject of the dependent subclaims. For example, it is provided that the latching element has a latching hook, the bending region of which extends on the contact openings. turned side of the spring contacts is formed. The latching hook is arranged in this way in the region of the contact openings.
Bevorzugt weist der Biegebereich eine größere Breite auf als das Rastelement. Dies ermöglicht hohe Biegekräfte und verbessert die Stabilität. Preferably, the bending region has a greater width than the latching element. This allows high bending forces and improves stability.
Zur Verbesserung der Stabilität und zur Verringerung der Gefahr, dass der lang ausgebildete Haken an sich verbogen wird, ist ferner vorzugsweise vorgesehen, dass das Rastelement eine im Wesentlichen über seine gesamte Länge verlaufende Sicke aufweist. In order to improve the stability and to reduce the risk that the long hook will be bent per se, it is further preferably provided that the latching element has a bead extending essentially over its entire length.
Weiterhin ist vorteilhaft vorgesehen, dass die Federkontakte auf ihrer dem Rastelement zugewandten Seite eine schräg verlaufende Auflagefläche für den Rasthaken im nichtverrasteten Zustand aufweisen. Das Rastelement liegt also gewissermaßen auf den Federkontakten solange auf, bis er in die dafür vorgesehene Rastöffnung eingerastet ist. Diese Auflagefläche begrenzt sehr vorteilhaft den Biegewinkel des Rastelements und verhindert so eine Beschädigung des Rastelements durch Überbiegen. Furthermore, it is advantageously provided that the spring contacts on their side facing the latching element have a sloping support surface for the latching hook in the unlocked state. The locking element is so to speak on the spring contacts as long as until it is engaged in the designated detent opening. This support surface very advantageously limits the bending angle of the locking element and thus prevents damage to the locking element by overbending.
Das Rastelement selbst weist auf seiner den Federkontakten zugewandten Seite eine Auflagefläche für ein Messerkontaktelement auf. Im ineinander- gesteckten Zustand des Messerkontaktelements in das Federkontaktelement wird ein Ausrasten des Rasthakens aus der Rastöffnung verhindert, denn die Auflagefläche liegt auf dem Messerkontaktelement auf, dessen äu ßere quaderförmige Gestalt an die Öffnung des durch den„Deckel" -das Rastelement - abgeschlossenen U-förmigen Querschnitts des Federkontaktelements gebildet wird. The locking element itself has on its side facing the spring contacts a bearing surface for a blade contact element. In the nested state of the blade contact element in the spring contact element disengagement of the latching hook is prevented from the detent opening, because the support surface rests on the blade contact element, the externa ßere parallelepiped shape to the opening of the "cover" -the locking element - completed U- shaped cross-section of the spring contact element is formed.
Ein solcher Steckverbinder kann darüber hinaus eine Sekundärverriegelung aufweisen, wie sie aus der DE 20 2006 010 308 U1 hervorgeht. Durch die Anordnung des Rastelements über den Federkontaktelementen ermöglicht dieser gleichzeitig auf äußerst vorteilhafte Weise eine Sicherung einer sol- chen Sekundärverriegelung vor Entriegelung, denn das Rastelement verhindert auch gleichzeitig, dass die Sekundärverriegelung betätigt werden kann. Such a connector may also have a secondary locking, as is apparent from DE 20 2006 010 308 U1. The arrangement of the locking element on the spring contact elements allows this at the same time in a very advantageous manner securing a sol- Chen secondary locking before unlocking, because the locking element also prevents the same time that the secondary lock can be operated.
Bevorzugt ist vorgesehen, dass das Federkontaktelement und das Rastelement einstückig miteinander ausgebildet sind. Im Hinblick auf eine einfache Herstellung sind das Federkontaktelement und das Rastelement aus einem einzigen Stanzteil gebildet und mehrfach gebogen. It is preferably provided that the spring contact element and the latching element are integrally formed with each other. With regard to a simple manufacture, the spring contact element and the latching element are formed from a single stamped part and bent several times.
Kurze Beschreibung der Zeichnungen Brief description of the drawings
Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und in der nachfolgenden Beschreibung näher erläutert. Embodiments of the invention are illustrated in the drawings and explained in more detail in the following description.
Es zeigen: Show it:
Fig. 1 eine isometrische Darstellung eines Federkontaktelements eines erfindungsgemäßen Steckverbinders; Fig. 1 is an isometric view of a spring contact element of a connector according to the invention;
Fig. 2 eine Draufsicht auf das in Fig. 1 dargestellte Federkontaktelement; FIG. 2 is a plan view of the spring contact element shown in FIG. 1; FIG.
Fig. 3 eine Seitenansicht des in Fig. 1 und 2 dargestellten Federkontaktelements; FIG. 3 is a side view of the spring contact element shown in FIGS. 1 and 2; FIG.
Fig. 4 ein erfindungsgemäßer Steckverbinder im nicht eingerasteten Zustand des Rastelements;  4 shows an inventive connector in the non-locked state of the locking element.
Fig. 5 ein erfindungsgemäßer Steckverbinder im eingerasteten Zustand des Rastelements und  Fig. 5 shows an inventive connector in the locked state of the locking element and
Fig. 6 der in Fig. 5 dargestellte Steckverbinder nach Herstellen einer Steckverbindung mit einem Messerkontaktelement.  Fig. 6 of the connector shown in Fig. 5 after making a plug connection with a blade contact element.
Beschreibung von Ausführungsbeispielen Description of exemplary embodiments
Ein als Ganzes mit 100 bezeichnetes Federkontaktelement eines erfindungsgemäßen Steckverbinders umfasst zwei Kontaktelemente, die in Fig. 1 als Federkontakte 1 10, 120 ausgebildet sind. Diese Federkontakte 1 10, 120 die- nen auf an sich bekannte Weise der Aufnahme eines Messerkontaktelementes (siehe Fig. 6). Die Federkontakte 1 10, 120 sind über ein Verbindungsblech 130 miteinander verbunden, wobei die beiden Federkontakte 1 10, 120 zusammen mit dem Verbindungsblech 130 eine U-förmige Gestalt aufweisen. Diese U-förmige Anordnung wird durch ein Rastelement 140 gewissermaßen deckelartig überdeckt, sodass das U-förmige Profil zusammen mit diesem Deckel im Schnitt als Rechteckprofil ausgestaltet ist. A designated as a whole with 100 spring contact element of a connector according to the invention comprises two contact elements, which are formed in Fig. 1 as spring contacts 1 10, 120. These spring contacts 1 10, 120 die- NEN in a known manner the inclusion of a blade contact element (see Fig. 6). The spring contacts 1 10, 120 are connected to each other via a connecting plate 130, wherein the two spring contacts 1 10, 120 together with the connecting plate 130 have a U-shaped configuration. This U-shaped arrangement is as it were covered cover-like by a locking element 140, so that the U-shaped profile is designed together with this cover in section as a rectangular profile.
An die Federkontakte 1 10, 130 schließt sich ein Crimpbereich 160 an, der der Aufnahme und dem Vercrimpen von Litzen auf an sich bekannte Weise dient. An den Crimpbereich 160 schließt sich eine Zugentlastung 162 an, die der Aufnahme eines isolierenden Mantels eines aus Litzen gebildeten Kabels besteht dient. The spring contacts 1 10, 130 is followed by a crimping region 160, which serves to receive and crimp strands in a manner known per se. The crimp region 160 is followed by a strain relief 162, which serves to receive an insulating jacket of a cable formed from strands.
Das Rastelement 140 ist auf der Kontaktkuppen 1 1 1 , 121 der Federkontakte 1 10, 120 abgewandten Seite an dem U-förmigen Profil befestigt, beispielsweise mit diesem einstückig ausgebildet. Es kann durch einen Stanzprozess aus einem ebenen Blech hergestellt werden, welches dreimal rechtwinklig abgewinkelt wird, zunächst zur Ausbildung der Federkontakte 1 10, 120 und sodann zur Ausbildung des über diesen deckelartig angeordneten Rastelements 140. Das Rastelement 140 weist eine in Längsrichtung durchgehend verlaufende Sicke 141 auf, die der Erhöhung der Stabilität des länglich ausgebildeten Rastelements 140 dient. Am vorderen, den Kontaktkuppen 1 1 1 , 121 zugewandten Ende ist an dem Rastelement 140 ein Rasthaken 142 ausgebildet, dessen Funktion nachfolgend noch näher beschrieben wird. The locking element 140 is mounted on the contact tips 1 1 1, 121 of the spring contacts 1 10, 120 side facing away from the U-shaped profile, for example, formed integrally therewith. It can be produced by a punching process from a flat sheet, which is angled at right angles three times, first to form the spring contacts 1 10, 120 and then to the formation of this latch-like arranged locking element 140. The locking element 140 has a continuous longitudinally extending bead 141st on, which serves to increase the stability of the elongated locking element 140. At the front, the contact blades 1 1 1, 121 facing the end of a latching hook 142 is formed on the locking element 140, whose function will be described in more detail below.
Die Federkontakte 1 10, 120 weisen an ihrer Oberseite, das hei ßt an ihrer dem Rastelement 140 zugewandten Kante Flächen 1 12, 122 auf, die schräg verlaufen und die als Auflageflächen für das Rastelement ausgebildet sind. Wie insbesondere der Fig. 2, aber auch der Fig. 1 zu entnehmen ist, weist das Rastelement 140 im Bereich des Rasthakens 142 einen Biegebereich 143 auf, der breiter ausgebildet ist als das Rastelement 140 selbst. Dies dient der Erhöhung der Stabilität des Rasthakens 142 und damit auch der Vergrößerung von Ausziehkräften aus dem Steckergehäuse. The spring contacts 1 10, 120 have on their upper side, that is, at their edge facing the latching element 140 surfaces 1 12, 122 which extend obliquely and which are formed as bearing surfaces for the latching element. As can be seen in particular from FIG. 2, but also from FIG. 1, the latching element 140 in the region of the latching hook 142 has a bending region 143, which is wider than the latching element 140 itself the increase in the stability of the latching hook 142 and thus the increase of extraction forces from the connector housing.
Fig. 4 bis Fig. 6 zeigen einen Steckverbinder, das hei ßt die Anordnung des oben beschriebenen Federkontaktelements 100 in einem Gehäuse 200. Fig. 4 stellt den noch nicht eingerasteten Zustand des Rastelements 140 in einer dafür vorgesehenen Öffnung 240 des Gehäuses 200 dar. Wie Fig. 4 zu entnehmen ist, ist das elektrische Kontaktelement in Form des Federkontaktelements 100 in einer Kammer 201 des Gehäuses 200 angeordnet, die sowohl steckseitig eine Öffnung 202 als auch kabelseitig eine Öffnung 204 aufweist. Die steckseitige Öffnung 202 dient dem Einstecken eines Messerkontakele- ments 500 auf an sich bekannte Weise, die Öffnung 204 dient der Ausleitung des (nicht dargestellten) Kabels aus dem Gehäuse 200. Das Federkontaktelement 100 wird von der Rückseite, das hei ßt von der Öffnung 204 her in das Gehäuse 200 eingeschoben, wobei zunächst das Rastelement 140 noch nicht eingerastet ist. Es ist vielmehr nach unten gebogen und liegt auf den Auflageflächen 1 12, 122 auf. Durch dieses Aufliegen wird die Verbiegemöglichkeit des Rastelements 140 begrenzt und so auch eine Beschädigung des Rastelements 140 durch Überbiegen verhindert. Nachdem das Federkontaktelement 100 vollständig in das Gehäuse 200 eingeschoben ist, findet eine vollständige Verrastung des Rastelements 140 statt. Hierzu greift der Rasthaken 142 in eine dafür vorgesehene Öffnung 240 des Gehäuses 200 ein. Dieser Zustand ist in Fig. 5 dargestellt. Fig. 4 to Fig. 6 show a connector, that is, the arrangement of the above-described spring contact element 100 in a housing 200. Fig. 4 illustrates the not yet engaged state of the locking element 140 in a designated opening 240 of the housing 200. Wie 4, the electrical contact element in the form of the spring contact element 100 is arranged in a chamber 201 of the housing 200, which has both an opening 202 on the plug side and an opening 204 on the cable side. The plug-in opening 202 serves to insert a blade contact element 500 in a manner known per se, the opening 204 serves to lead the cable (not shown) out of the housing 200. The spring contact element 100 is moved from the rear side, that is to say from the opening 204 inserted into the housing 200, wherein initially the locking element 140 is not yet engaged. It is rather bent downwards and lies on the bearing surfaces 1 12, 122. By this resting the possibility of bending the locking element 140 is limited and thus prevents damage to the locking element 140 by overbending. After the spring contact element 100 is completely inserted into the housing 200, a complete latching of the latching element 140 takes place. For this purpose, the latching hook 142 engages in a designated opening 240 of the housing 200. This condition is shown in FIG.
Nachdem ein Messerkontaktelement 500 in das Federkontaktelement 100 eingeschoben wurde, wie es schematisch in Fig. 6 dargestellt ist, wird wirkungsvoll und sicher verhindert, dass ein Ausrasten des Rastelements 140, das hei ßt ein Ausrasten des Rasthakens 142 aus der Öffnung 240 stattfinden kann. In diesem Falle liegt nämlich das Rastelement 140 mit seiner dem Messerkontaktelement 500 zugewandten Auflagefläche 147 auf dem Messerkontaktelement 500 auf, sodass im gesteckten Zustand ein Ausrasten des Rastelements ausgeschlossen ist. Wie in Fig. 4 bis Fig. 6 ferner dargestellt ist, kann ein derartiger Steckverbinder auch eine Sekundärverriegelung 300 aufweisen, welche Verriegelungsnocken 310, 320 aufweist, die in entsprechende Verriegelungsausnehmungen 181 , 182 des Federkontaktelements eingreifen. After a blade contact element 500 has been inserted into the spring contact element 100, as shown schematically in FIG. 6, it is effectively and reliably prevented that disengagement of the latching element 140, that is, disengagement of the latching hook 142 from the opening 240, can take place. In this case, namely, the locking element 140 with its the knife contact element 500 facing support surface 147 on the blade contact element 500, so that in the inserted state disengagement of the locking element is excluded. As further illustrated in FIGS. 4 to 6 Such a connector may also include a secondary latch 300 having latch cams 310, 320 which engage corresponding latch recesses 181, 182 of the spring contact element.

Claims

Ansprüche claims
1 . Steckverbinder mit einem Gehäuse (200) und zumindest einer Kammer (201 ) zur Aufnahme wenigstens eines elektrischen Kontaktelements (100), welches über ein Verriegelungselement in dem Gehäuse (200) befestigbar ist, wobei das Verriegelungselement ein an dem Kontaktelement (100) angeordnetes Rastelement (140) ist, das in eine an es angepasste Öffnung (240) in dem Gehäuse (200) einrastbar ist, wobei das wenigstens eine Kontaktelement ein Federkontaktelement ist, dessen Federkontakte (1 10, 120) als Schenkel eines U-förmig gebogenen Bleches ausgebildet sind, dadurch gekennzeichnet, dass das Rastelement (140) deckelartig über dem U-förmig gebogenen Blech derart angeordnet ist, dass es bis in den vorderen Bereich der Federkontakte (1 10, 120) reicht. 1 . Connector comprising a housing (200) and at least one chamber (201) for receiving at least one electrical contact element (100) which can be fastened in the housing (200) via a locking element, wherein the locking element has a latching element (100) arranged on the contact element (100). 140) which can be latched into an opening (240) adapted to it in the housing (200), wherein the at least one contact element is a spring contact element whose spring contacts (1 10, 120) are formed as limbs of a U-shaped bent sheet metal , characterized in that the latching element (140) is arranged like a cover over the U-shaped bent sheet metal such that it extends into the front region of the spring contacts (1 10, 120).
2. Steckverbinder nach Anspruch 1 , dadurch gekennzeichnet, dass das Rastelement (140) einen Rasthaken (142) aufweist, dessen Biegebereich (143) auf der Kontaktöffnungen zugewandten Seite der Federkontakte (1 10, 120) ausgebildet ist. 2. Connector according to claim 1, characterized in that the latching element (140) has a latching hook (142) whose bending region (143) on the contact openings facing side of the spring contacts (1 10, 120) is formed.
3. Steckverbinder nach Anspruch 2, dadurch gekennzeichnet, dass der Biegebereich (143) eine größere Breite aufweist als das Rastelement (140). 3. Connector according to claim 2, characterized in that the bending region (143) has a greater width than the latching element (140).
4. Steckvebinder nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Rastelement (140) eine im Wesentlichen über seine gesamte Länge verlaufende Sicke (141 ) aufweist. 4. Plug connector according to one of the preceding claims, characterized in that the latching element (140) has a substantially extending over its entire length bead (141).
5. Steckverbinder nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Federkontakte (1 10, 120) auf ihrer dem Rastelement (140) zugewandten Seite schräg verlaufende Auflageflächen (1 12, 122) für das Rastelement (140) im nicht verrasteten Zustand aufweisen. 5. Connector according to one of claims 1 to 4, characterized in that the spring contacts (1 10, 120) on its the latching element (140) facing side inclined support surfaces (1 12, 122) for the locking element (140) in not latched State.
6. Steckverbinder nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Rastelement (140) auf seiner den Federkontakten (1 10, 120) zugewandten Seite eine Auflagefläche (147) für ein Messerkontaktelement (500) aufweist. 6. Connector according to one of claims 1 to 5, characterized in that the latching element (140) on its spring contacts (1 10, 120) side facing a bearing surface (147) for a blade contact element (500).
7. Steckverbinder nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Rastelement (140) im eingerasteten Zustand eine am Gehäuse (200) angeordnete Sekundärverriegelung (300) vor Entriegelung sichert. 7. Connector according to one of the preceding claims, characterized in that the latching element (140) secures in the engaged state a housing (200) arranged secondary locking (300) against unlocking.
8. Steckverbinder nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Federkontaktelement (100) und das Rastelement (140) einstückig miteinander ausgebildet sind. 8. Connector according to one of the preceding claims, characterized in that the spring contact element (100) and the latching element (140) are integrally formed with each other.
9. Steckverbinder nach Anspruch 8, dadurch gekennzeichnet dass das Federkontaktelement (100) und das Rastelement (140) aus einem einzigen Stanzteil gebildet sind. 9. Connector according to claim 8, characterized in that the spring contact element (100) and the latching element (140) are formed from a single stamped part.
EP15713834.8A 2014-02-28 2015-02-18 Plug connector Active EP3111518B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014002669.8A DE102014002669B4 (en) 2014-02-28 2014-02-28 Connectors
PCT/DE2015/100066 WO2015127926A1 (en) 2014-02-28 2015-02-18 Plug connector

Publications (2)

Publication Number Publication Date
EP3111518A1 true EP3111518A1 (en) 2017-01-04
EP3111518B1 EP3111518B1 (en) 2020-11-18

Family

ID=52807471

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EP15713834.8A Active EP3111518B1 (en) 2014-02-28 2015-02-18 Plug connector

Country Status (14)

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US (1) US9722343B2 (en)
EP (1) EP3111518B1 (en)
JP (1) JP6501418B2 (en)
KR (1) KR20160138432A (en)
CN (1) CN106104935B (en)
BR (1) BR112016019760A2 (en)
CA (1) CA2940489A1 (en)
DE (1) DE102014002669B4 (en)
DK (1) DK3111518T3 (en)
ES (1) ES2851424T3 (en)
IL (1) IL247479B (en)
MX (1) MX371260B (en)
TW (1) TWI650907B (en)
WO (1) WO2015127926A1 (en)

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DE102021100806A1 (en) * 2021-01-15 2022-07-21 Te Connectivity Germany Gmbh Contact device and method for producing the contact device

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Also Published As

Publication number Publication date
DK3111518T3 (en) 2021-02-01
JP6501418B2 (en) 2019-04-17
CN106104935B (en) 2019-05-17
CN106104935A (en) 2016-11-09
WO2015127926A1 (en) 2015-09-03
CA2940489A1 (en) 2015-09-03
DE102014002669B4 (en) 2019-02-21
US9722343B2 (en) 2017-08-01
DE102014002669A1 (en) 2015-09-03
BR112016019760A2 (en) 2021-05-25
IL247479B (en) 2020-05-31
US20170077637A1 (en) 2017-03-16
MX2016011069A (en) 2017-01-12
MX371260B (en) 2020-01-23
TW201547110A (en) 2015-12-16
JP2017510941A (en) 2017-04-13
IL247479A0 (en) 2016-11-30
ES2851424T3 (en) 2021-09-07
EP3111518B1 (en) 2020-11-18
TWI650907B (en) 2019-02-11
KR20160138432A (en) 2016-12-05

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