EP0113809A2 - Electrical plug-in connector with a locking device for an electrical contact element extending into a housing - Google Patents

Electrical plug-in connector with a locking device for an electrical contact element extending into a housing Download PDF

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Publication number
EP0113809A2
EP0113809A2 EP83108655A EP83108655A EP0113809A2 EP 0113809 A2 EP0113809 A2 EP 0113809A2 EP 83108655 A EP83108655 A EP 83108655A EP 83108655 A EP83108655 A EP 83108655A EP 0113809 A2 EP0113809 A2 EP 0113809A2
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EP
European Patent Office
Prior art keywords
locking
locking device
housing chamber
frame
housing
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
EP83108655A
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German (de)
French (fr)
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EP0113809A3 (en
EP0113809B1 (en
Inventor
Konrad Mantlik
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.)
Grote and Hartmann GmbH and Co KG
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Grote and Hartmann GmbH and Co KG
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Application filed by Grote and Hartmann GmbH and Co KG filed Critical Grote and Hartmann GmbH and Co KG
Publication of EP0113809A2 publication Critical patent/EP0113809A2/en
Publication of EP0113809A3 publication Critical patent/EP0113809A3/en
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Publication of EP0113809B1 publication Critical patent/EP0113809B1/en
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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
    • H01R13/424—Securing in base or case composed of a plurality of insulating parts having at least one resilient insulating part
    • 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
    • H01R13/434—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by separate resilient locking means on contact member, e.g. retainer collar or ring around contact member

Definitions

  • the invention relates to a locking element for an electrical contact element which is inserted in a chamber of a plastic housing, e.g. for a double flat spring contact.
  • electrical connectors which are inserted in a housing chamber, generally have a locking tongue which engages behind an edge in the housing, such that the connector is secured against being pulled out or slipping out.
  • locking devices are known as additional locks, which are arranged on the cover of a housing, when the cover is pivoted into its closed position, can reach behind and push in the electrical connector previously inserted into the housing chamber and finally cover the housing chamber plug-in opening, so that the electrical connector is sealed off.
  • the known additional locking devices on the housing are particularly suitable for housings which have a plurality of housing chambers arranged parallel to one another.
  • the connectors must be inserted in a predetermined position, otherwise the additional locking will not work.
  • cover housings require considerable effort in their manufacture.
  • the object of the invention is to provide a housing-side, easy-to-manufacture locking device which can also be used for a single housing chamber, regardless of the position of the connector in the housing chamber, the connector fixed in position and locked, the manufacturing costs should be low.
  • the locking device according to the invention has a locking attachment 1 with locking elements 2 and locking elements 3, the locking elements 2 interacting with locking elements 4 arranged on the outside of the housing chamber walls 5.
  • the locking attachment 1 made of plastic is adapted to the contours of the housing chamber 6 to be locked.
  • it consists of a closed frame 7 which is rectangular in plan view (FIG. 2), the frame walls 7a, 7b, 7c and 7d of which are also rectangular in cross section.
  • two pin-shaped stoppers 8 which are arranged symmetrically to the center of the wall at a lateral distance from one another and are expediently formed as locking elements 3, which are expediently rectangular in cross-section, project vertically downwards in parallel (FIG. 1 ) and the frame wall approximately with protrude twice the length.
  • stoppers 8 on the frame wall 7b. It is within the scope of the invention to also / or to provide such stoppers on the frame walls 7a and 7c.
  • the latching clip 9 comprises two laterally spaced parallel to each other vertically downwardly projecting, preferably rectangular shaped in cross-section bracket arms 1 0 which are connected with each other at the end via a transverse web 1 1 are.
  • the locking bracket 9 projects beyond the frame wall 7d with approximately the same length as the stopper 8.
  • the locking attachment according to the invention is plugged into a housing 11 which has a chamber 1 2, into which an electrical connector 1 3 is placed.
  • the electrical connector 1 3 is crimped onto a conductor wire 1 4.
  • Such crimped connectors usually have an edge at the front end of the wire claw 15 . In the example shown, this edge consists of a transverse web 1 6.
  • a connector generally has a latching tongue 17, which engages behind a latching step edge 18 in the chamber 13 when the connector is inserted (FIG. 4).
  • the wall thickness of the frame 7 of the locking attachment 1 corresponds to the wall thickness of the Gerissauseschdung 5. Accordingly fit of the locking cap 1 of the invention on the housing by the Gerissausehuntwandung 5 is pushed into the gap 1 9 between the locking bracket 9 and the stopper 8, until the lower edge 20 of the frame 7 sits on the upper edge 2 1 of the housing (Fig. 4).
  • the locking brackets 9 find 5 locking webs 22, 23 on the respective outer surface of the housing chamber walls, which are at a distance from each other and from the top edge 2 1 and arranged parallel to this.
  • the locking bars 22, 23 interact with the cross bar 11 of the respective locking bracket 9, accordingly the length of the locking bars 22, 23 is shorter than the lateral distance between the bracket arms 1 0.
  • the cross bar 11 bumps first against the locking web 22.
  • the stoppers 8 arranged on the opposite walls 7b and 7d extend parallel to one another into the housing chamber 1 2.
  • the crimped connector 13 can be pushed into the housing chamber 1 2 unhindered.
  • the locking attachment 1 is pressed further onto the housing for the final latching position until the crossbar 11 snaps over the latching bar 23 and engages behind the latter, the edges 20, 21 being seated one on top of the other (FIG. 4).
  • the surface of the locking web 23 is rounded when viewed in cross section, so that the run-on bevel 25 cannot slide over the locking web 23 as easily as over the locking web 22.
  • an inward direction toward the plug opening 1 2a is provided, which runs transversely to the longitudinal extent of the housing chamber. It interacts with a preferably provided, outwardly directed slope 27 in the end region of the stopper 8.
  • the slopes 27 run up on the slopes 26 before the final locking position is reached.
  • the stoppers 8 act like pliers when the final locking position is reached by gripping the claw part 15 and thereby fixing the connector in position.
  • the stopper 8 in the final locked position lockingly act because the leading edge of the stopper 8 preventing that the connector can be pulled out of the chamber by the connector would abut the front edge of the stopper against the edge 1 6, or a similar edge.
  • the invention thus shows a completely different way of locking a housing and also using the locking device to fix or clamp the connector position inserted into the housing.
  • the locking works because almost every connector has an edge in the transition area from the claw part to the contact part.
  • the overall length of the housing is not extended because the housing can be shortened according to the length of the frame 7.
  • the production of the locking attachment according to the invention is simple because it is an uncomplicated plastic part.
  • the housing can also be of simple construction because the locking attachment requires simple, corresponding active elements (bevels and locking bars). It is advantageous to round off the latching web 23, which provides greater resistance to the transverse web 11 than the slope of the latching web 22. This stabilizes the pre-latching position.
  • the run-up slope 26 can expediently be placed closer to the plug opening 1 2b than shown in the drawing, so that the stoppers 8 are already in contact with the slope in the pre-locking position (FIG. 3). It is still useful in the locking attachment according to the invention if the stoppers 8 are chamfered inwards in the region of the insertion opening 1 2b and thereby form an insertion bevel 8a which facilitate the insertion of the connector. It is essential that the locking attachment according to the invention considerably simplifies the automatic assembly of a housing. There is no longer any need for swiveling movements as with the hinged lid; the housing can be locked with a simple, straightforward movement.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Abstract

Die Erfindung betrifft eine Verriegelungseinrichtung für einen in einer Gehäusekammer steckenden, elektrischen Verbinder, wobei ein aufsteckbarer Verriegelungsaufsatz mit Rastelementen und Verriegelungselementen und die Rastelemente mit außen an den Gehäusekammerwandungen angeordneten Rastelementen zusammenwirken,The invention relates to a locking device for an electrical connector plugged into a housing chamber, an attachable locking attachment with locking elements and locking elements and the locking elements interacting with locking elements arranged on the outside of the housing chamber walls.

Description

Die Erfindung betrifft ein Verriegelungselement für ein in einer Kammer eines Kunststoffgehäuses steckendes, elektrisches Kontaktelement z.B. für einen Doppelflachfederkontakt.The invention relates to a locking element for an electrical contact element which is inserted in a chamber of a plastic housing, e.g. for a double flat spring contact.

Elektrische,aus z.B. einem Blechstanzteil hergestellte Kontaktelemente, sogenannte elektrische Verbinder, die in einer Gehäusekammer stecken, weisen in der Regel eine Rastzunge auf, die hinter eine Kante im Gehäuse greift, derart, daß der Verbinder gegen Herausziehen bzw. Herausrutschen gesichert ist. Zudem sind Verriegelungseinrichtungen als Zusatzverriegelungen bekannt, die am Deckel eines Gehäuses angeordnet sind, beim Verschwenken des Deckels in seine Schließstellung den vorher in die Gehäusekammer eingeschobenen elektrischen Verbinder hintergreifen und nachschieben können und schließlich die Gehäusekammerstecköffnung abdecken, so daß der elektrische Verbinder abgeschottet wird.Electrical, e.g. a sheet metal stamped contact elements, so-called electrical connectors, which are inserted in a housing chamber, generally have a locking tongue which engages behind an edge in the housing, such that the connector is secured against being pulled out or slipping out. In addition, locking devices are known as additional locks, which are arranged on the cover of a housing, when the cover is pivoted into its closed position, can reach behind and push in the electrical connector previously inserted into the housing chamber and finally cover the housing chamber plug-in opening, so that the electrical connector is sealed off.

Die bekannten gehäuseseitigen Zusatzverriegelungseinrichtungen sind insbesondere für Gehäuse geeignet, die mehrere parallel nebeneinander angeordnete Gehäusekammern aufweisen. Die Verbinder müssen mit einer vorbestimmten Lage eingesetzt werden, weil andernfalls die Zusatzverriegelung nicht funktioniert. Außerdem erfordern Deckelgehäuse einen beachtlichen Aufwand bei ihrer Herstellung.The known additional locking devices on the housing are particularly suitable for housings which have a plurality of housing chambers arranged parallel to one another. The connectors must be inserted in a predetermined position, otherwise the additional locking will not work. In addition, cover housings require considerable effort in their manufacture.

Aufgabe der Erfindung ist, eine gehäuseseitige, einfach herzustellende Verriegelungseinrichtung zu schaffen, die auch für eine einzelne Gehäusekammer verwendbar ist, unabhängig von der Lage des Verbinders in der Gehäusekammer den Verbinder lagefixiert und verriegelt, wobei die Herstellungskosten gering sein sollen.The object of the invention is to provide a housing-side, easy-to-manufacture locking device which can also be used for a single housing chamber, regardless of the position of the connector in the housing chamber, the connector fixed in position and locked, the manufacturing costs should be low.

Diese Aufgabe wird durch die Merkmale des Hauptanspruchs gelöst. Zweckmäßige Ausgestaltungen der Erfindung werden in den Unteransprüchen gekennzeichnet. Anhand des in der Zeichnung abgebildeten Ausführungsbeispiels wird die Erfindung im Folgenden erläutert. Es zeigen:

  • Fig. 1 einen Längsschnitt durch einen erfindungsgemäßen Verriegelungsaufsatz,
  • Fig. 2 eine Draufsicht auf den Verriegelungsaufsatz nach Fig. 1,
  • Fig. 3 einen Längsschnitt durch eine erfindungsgemäße Verriegelungseinrichtung mit der Vorraststellung des Verriegelungsaufsatzes,
  • Fig. 4 einen Längsschnitt durch eine erfindungsgemäße Verriegelungseinrichtung mit der Endraststellung des Verriegelungsaufsatzes.
This object is solved by the features of the main claim. Appropriate embodiments of the invention are characterized in the subclaims. The invention is explained below on the basis of the exemplary embodiment shown in the drawing. Show it:
  • 1 shows a longitudinal section through a locking attachment according to the invention,
  • 2 shows a top view of the locking attachment according to FIG. 1,
  • 3 shows a longitudinal section through a locking device according to the invention with the locking position of the locking attachment,
  • Fig. 4 shows a longitudinal section through a locking device according to the invention with the final locking position of the locking attachment.

Die erfindungsgemäße Verriegelungseinrichtung weist einen Verriegelungsaufsatz 1 mit Rastelementen 2 und Verriegelungselementen 3 auf, wobei die Rastelemente 2 mit außen an den Gehäusekammerwandungen 5 angeordneten Rastelementen 4 zusammenwirken.The locking device according to the invention has a locking attachment 1 with locking elements 2 and locking elements 3, the locking elements 2 interacting with locking elements 4 arranged on the outside of the housing chamber walls 5.

Der Verriegelungsaufsatz 1 aus Kunststoff ist den Konturen der zu verriegelnden Gehäusekammer 6 angepaßt. Im abgebildeten Beispiel besteht er aus einem in der Draufsicht (Fig. 2) rechteckigen,geschlossenen Rahmen 7, dessen Rahmenwände 7a, 7b, 7c und 7d im Querschnitt ebenfalls rechteckig sind.The locking attachment 1 made of plastic is adapted to the contours of the housing chamber 6 to be locked. In the example shown, it consists of a closed frame 7 which is rectangular in plan view (FIG. 2), the frame walls 7a, 7b, 7c and 7d of which are also rectangular in cross section.

In der Innenfläche der Rahmenwand 7d sind als Verriegelungselemente 3 zwei im seitlichen Abstand voneinander symmetrisch zur Mitte der Wandung angeordnete, stiftförmige Stopper 8 angeformt, die zweckmäßigerweise im Querschnitt rechteckig ausgebildet sind, parallelverlaufend senkrecht nach unten ragen (Fig. 1) und die Rahmenwand etwa mit doppelter Länge überragen. In gleicher gegenüberliegender Anordnung befinden sich Stopper 8 an der Rahmenwand 7b. Es liegt im Rahmen der Erfindung, auch/oder an den Rahmenwänden 7a und 7c derartige Stopper vorzusehen.In the inner surface of the frame wall 7d, two pin-shaped stoppers 8, which are arranged symmetrically to the center of the wall at a lateral distance from one another and are expediently formed as locking elements 3, which are expediently rectangular in cross-section, project vertically downwards in parallel (FIG. 1 ) and the frame wall approximately with protrude twice the length. In the same opposite arrangement there are stoppers 8 on the frame wall 7b. It is within the scope of the invention to also / or to provide such stoppers on the frame walls 7a and 7c.

An der Außenfläche der Rahmenwand 7d sitzt als Rastelement 2 ein Rastbügel 9. Der Rastbügel 9 besteht aus zwei im seitlichen Abstand voneinander parallel zueinander senkrecht nach unten ragenden, im Querschnitt vorzugsweise rechteckig ausgebildeten Bügelarmen 10, die am Ende über einen Quersteg 11 miteinander verbunden sind. Der Rastbügel 9 überragt die Rahmenwand 7d mit etwa der gleichen Länge wie der Stopper 8. An der Außenfläche der Rahmenwand 7b sitzt ein gleicher Rastbügel 9. Derartige Rastbügel können erfindungsgemäß entweder auch an den Außenflächen der Rahmenwände 7a und 7c oder aber lediglich dort sitzen anstatt an den Rahmenwänden 7b und 7d.7d on the outer surface of the frame wall sits as a latching element 2, a locking bracket 9. The latching clip 9 comprises two laterally spaced parallel to each other vertically downwardly projecting, preferably rectangular shaped in cross-section bracket arms 1 0 which are connected with each other at the end via a transverse web 1 1 are. The locking bracket 9 projects beyond the frame wall 7d with approximately the same length as the stopper 8. On the outer surface of the frame wall 7b there is an identical locking bracket 9. According to the invention, such locking brackets can either sit on the outer surfaces of the frame walls 7a and 7c or only there instead of on the frame walls 7b and 7d.

Der erfindungsgemäße Verriegelungsaufsatz wird auf ein Gehäuse 11 gesteckt, das eine Kammer 12 aufweist, in die ein elektrischer Verbinder 13 gesetzt wird. Der elektrische Verbinder 13 ist an einen Leiterdraht 14 gecrimpt. Derartige gecrimpte Verbinder weisen in der Regel am vorderen Ende der Aderkralle 15 eine Kante auf. Im dargestellten Beispiel besteht diese Kante aus einem Quersteg 16. Zudem weist ein Verbinder in der Regel eine Rastzunge 17 auf, die im gesteckten Zustand des Verbinders hinter eine Raststufenkante 18 in der Kammer 13 greift (Fig. 4).The locking attachment according to the invention is plugged into a housing 11 which has a chamber 1 2, into which an electrical connector 1 3 is placed. The electrical connector 1 3 is crimped onto a conductor wire 1 4. Such crimped connectors usually have an edge at the front end of the wire claw 15 . In the example shown, this edge consists of a transverse web 1 6. In addition, a connector generally has a latching tongue 17, which engages behind a latching step edge 18 in the chamber 13 when the connector is inserted (FIG. 4).

Die Wandstärke des Rahmens 7 des Verriegelungsaufsatzes 1 entspricht der Wandstärke der Gehäusekammerwandung 5. Demgemäß paßt der erfindungsgemäße Verriegelungsaufsatz 1 auf das Gehäuse, indem die Gehäusekammerwandung 5 in den Spalt 19 zwischen Rastbügel 9 und Stopper 8 geschoben wird, bis die Unterkante 20 des Rahmens 7 auf der Oberkante 21 des Gehäuses aufsitzt (Fig. 4).The wall thickness of the frame 7 of the locking attachment 1 corresponds to the wall thickness of the Gehäusekammerwandung 5. Accordingly fit of the locking cap 1 of the invention on the housing by the Gehäusekammerwandung 5 is pushed into the gap 1 9 between the locking bracket 9 and the stopper 8, until the lower edge 20 of the frame 7 sits on the upper edge 2 1 of the housing (Fig. 4).

Zur Gewährleistung einer Vorrastung und einer Endrastung des Verriegelungsaufsatzes 1 mit dem Gehäuse,finden die Rastbügel 9 auf der jeweiligen Außenfläche der Gehäusekammerwandungen 5 Raststege 22, 23 vor, die im Abstand voneinander sowie von der Oberkante 21 und zu dieser parallel verlaufend angeordnet sind. Die Raststege 22, 23 wirken mit dem Quersteg 11 des jeweiligen Rastbügels 9 zusammen, demgemäß die Länge der Raststege 22, 23 kürzer ist als der seitliche Abstand zwischen den Bügelarmen 10. Wenn der Verriegelungsaufsatz 1 auf das Gehäuse gesteckt wird, stößt der Quersteg 11 zunächst gegen den Raststeg 22. Da dieser im Querschnitt etwa dreieckförmig ausgebildet ist, und eine zur Gehäusekammerwandung 5 weisende Anlaufschräge 24 besitzt und der Quersteg 11 des Rastbügels 9 eine etwa parallel zur Anlaufschräge 24 verlaufende Anlaufschräge 25 aufweist, kann der Quersteg 11 infolge der elastischen Verschwenkbarkeit der Bügelarme 10 über den Raststeg 22 gleiten, bis er hinter den Raststeg 22 zurückspringt und zwischen den Raststegen 22 und 23 sitzt. Da der Abstand der Raststege 22, 23 voneinander etwa der Breite des Querstegs 11 entspricht, ergibt sich eine Lagefixierung desQuer- stegs 11 und damit des Verriegelungsaufsatzes 1 in einer Vorraststellung (Fig. 3).To ensure a pre-locking and a final locking of the locking attachment 1 with the housing, the locking brackets 9 find 5 locking webs 22, 23 on the respective outer surface of the housing chamber walls, which are at a distance from each other and from the top edge 2 1 and arranged parallel to this. The locking bars 22, 23 interact with the cross bar 11 of the respective locking bracket 9, accordingly the length of the locking bars 22, 23 is shorter than the lateral distance between the bracket arms 1 0. When the locking attachment 1 is plugged onto the housing, the cross bar 11 bumps first against the locking web 22. Since this is approximately triangular in cross-section and has a run-up bevel 24 pointing towards the housing chamber wall 5 and the cross-web 11 of the locking bracket 9 has a run-up bevel 25 running approximately parallel to the run-up bevel 24, the cross web 11 can due to the elastic pivotability the bracket arms 1 0 slide over the locking bar 22 until it springs back behind the locking bar 22 and sits between the locking bars 22 and 23. Since the distance of the locking webs 22, 23 from one another corresponds approximately to the width of the cross piece 1 1, results in a positional fixing of the Q uer- web 11 and thus the locking attachment 1 in a pre-locking position (Fig. 3).

Befindet sich der Verriegelungsaufsatz 1 in der Vorraststellung, erstrecken sich die auf den gegenüberliegenden Wandungen 7b und 7d angeordneten Stopper 8 parallel zueinander in die Gehäusekammer 12. In diesem Zustand des Gehäuses kann der gecrimpte Verbinder 13 ungehindert in die Gehäusekammer 12 eingeschoben werden. Anschließend wird der Verriegelungsaufsatz 1 für die Endraststellung weiter auf das Gehäuse gedrückt, bis der Quersteg 11 über den Raststeg 23 schnappt und letzteren hintergreift, wobei die Kanten 20, 21 aufeinander sitzen (Fig. 4). Zur Erleichterung des Schnappvorganges ist die Oberfläche des Raststegs 23 im Querschnitt betrachtet gerundet ausgeführt, so daß die Anlaufschräge 25 nicht so leicht über den Raststeg 23 gleiten kann wie über den Raststeg 22.If the locking attachment 1 is in the pre-latching position, the stoppers 8 arranged on the opposite walls 7b and 7d extend parallel to one another into the housing chamber 1 2. In this state of the housing, the crimped connector 13 can be pushed into the housing chamber 1 2 unhindered. Subsequently, the locking attachment 1 is pressed further onto the housing for the final latching position until the crossbar 11 snaps over the latching bar 23 and engages behind the latter, the edges 20, 21 being seated one on top of the other (FIG. 4). For To facilitate the snapping process, the surface of the locking web 23 is rounded when viewed in cross section, so that the run-on bevel 25 cannot slide over the locking web 23 as easily as over the locking web 22.

Wesentlich ist, daß in der Gehäusekammer 12 auf der Innenfläche der sich gegenüberliegenden Gehäusekammerwandungen 5 eine im Querschnitt betrachtet einwärts in Richtung Stecköffnung 12a gerichtete Auflaufschräge 26 vorgesehen ist, die quer zur Längserstreckung der Gehäusekammer verläuft. Sie wirkt mit einer vorzugsweise vorgesehenen,nach außen gerichteten Schräge 27 im Endbereich der Stopper 8 zusammen. Beim Verschieben des Verriegelungsaufsatzes 1 aus der Vorraststellung in die Endraststellung laufen die Schrägen 27 auf den Schrägen 26 auf, bevor die Endraststellung erreicht ist. Beim Weiterschieben werden die Stopper 8 nach innen gezwungen und gegen den Krallenteil 15 des Verbinders 13 gepreßt, so daß der Verbinder mit in die Kammer eingeschoben wird, bis der Verriegelungsaufsatz 1 endlich verrastet ist. Sollte der Verbinder bereits die erforderliche Position eingenommen haben, bevor die Endraststellung des Verriegelungsaufsatzes erreicht ist, wirken die Stopper 8 nach Art einer Zange, wenn die Endraststellung erreicht ist, indem sie den Krallenteil 15 umgreifen und dadurch den Verbinder lagefixieren. Außerdem wirken die Stopper 8 in der Endraststellung verriegelnd, weil die Vorderkanten der Stopper 8 verhindern, daß der Verbinder aus der Kammer gezogen werden kann, indem die Vorderkante der Stopper gegen die Kante 16 oder eine ähnliche Kante des Verbinders stoßen würden.It is essential that in the housing chamber 1 2 on the inner surface of the opposite housing chamber walls 5, viewed in cross-section, an inward direction toward the plug opening 1 2a is provided, which runs transversely to the longitudinal extent of the housing chamber. It interacts with a preferably provided, outwardly directed slope 27 in the end region of the stopper 8. When the locking attachment 1 is moved from the pre-locking position into the final locking position, the slopes 27 run up on the slopes 26 before the final locking position is reached. When pushing the stopper 8 are forced inward and pressed against the claw part 15 of the connector 13 so that the connector is inserted into the chamber until the locking attachment 1 is finally locked. If the connector has already assumed the required position before the final locking position of the locking attachment is reached, the stoppers 8 act like pliers when the final locking position is reached by gripping the claw part 15 and thereby fixing the connector in position. In addition, the stopper 8 in the final locked position lockingly act because the leading edge of the stopper 8 preventing that the connector can be pulled out of the chamber by the connector would abut the front edge of the stopper against the edge 1 6, or a similar edge.

Die Erfindung zeigt somit einen völlig anderen Weg auf, ein Gehäuse zu verriegeln und mit der Verriegelungseinrichtung zudem den in das Gehäuse eingesetzten Verbinder Lage zu fixieren bzw. zu verklemmen. Die Verriegelung gelingt, weil nahezu jeder Verbinder im übergangsbereich vom Krallenteil zum Kontaktteil eine Kante aufweist. Die Baulänge des Gehäuses wird nicht verlängert, weil das Gehäuse entsprechend der Länge des Rahmens 7 verkürzt ausgeführt werden kann. Die Herstellung des erfindungsgemäßen Verriegelungsaufsatzes ist einfach, weil es sich um ein unkompliziertes Kunststoffteil handelt. Das Gehäuse kann ebenfalls einfach aufgebaut sein, weil der Verriegelungsaufsatz einfache, korrespondierende Wirkelemente erfordert (Auflaufschrägen und Raststege). Vorteilhaft ist die Aufstoßrundung des Raststegs 23, die dem Quersteg 11 einen größeren Widerstand entgegensetzt als die Schräge des Raststegs 22. Dadurch wird die Vorraststellung stabilisiert. Die Auflaufschräge 26 kann zweckmäßigerweise näher in Richtung auf die Stecköffnung 12b angesetzt sein als in der Zeichnung abgebildet, so daß die Stopper 8 mit der Schräge bereits in der Vorraststellung (Fig. 3) in Kontakt stehen. Es ist beim erfindungsgemäßen Verriegelungsaufsatz noch zweckmäßig, wenn die Stopper 8 im Bereich der Einstecköffnung 12b einwärts abgeschrägt sind und dadurch eine Einsteckschräge 8a bilden, die das Einführen des Verbinders erleichtern. Wesentlich ist, daß der erfindungsgemäße Verriegelungsaufsatz eine ganz erhebliche Vereinfachung der automatischen Bestückung eines Gehäuses erbringt. Es brauchen keine Schwenkbewegungen wie beim scharnierenden Deckel mehr aufgebracht zu werden; mit einer einfach zu beherrschenden geradlinigen Bewegung kann die Verriegelung des Gehäuses bewältigt werden.The invention thus shows a completely different way of locking a housing and also using the locking device to fix or clamp the connector position inserted into the housing. The locking works because almost every connector has an edge in the transition area from the claw part to the contact part. The overall length of the housing is not extended because the housing can be shortened according to the length of the frame 7. The production of the locking attachment according to the invention is simple because it is an uncomplicated plastic part. The housing can also be of simple construction because the locking attachment requires simple, corresponding active elements (bevels and locking bars). It is advantageous to round off the latching web 23, which provides greater resistance to the transverse web 11 than the slope of the latching web 22. This stabilizes the pre-latching position. The run-up slope 26 can expediently be placed closer to the plug opening 1 2b than shown in the drawing, so that the stoppers 8 are already in contact with the slope in the pre-locking position (FIG. 3). It is still useful in the locking attachment according to the invention if the stoppers 8 are chamfered inwards in the region of the insertion opening 1 2b and thereby form an insertion bevel 8a which facilitate the insertion of the connector. It is essential that the locking attachment according to the invention considerably simplifies the automatic assembly of a housing. There is no longer any need for swiveling movements as with the hinged lid; the housing can be locked with a simple, straightforward movement.

Claims (12)

1. Verriegelungseinrichtung für einen in einer Gehäusekammer steckenden, elektrischen Verbinder,
gekennzeichnet durch einen aufsteckbaren Verriegelungsaufsatz (1) mit Rastelementen (2) und Verriegelungselementen (3), wobei die Rastelemente (2) mit außen an den Gehäusekammerwandungen (5) angeordneten Rastelementen (4) zusammenwirken.1. locking device for an electrical connector which is inserted in a housing chamber,
characterized by a snap-on locking attachment ( 1 ) with locking elements (2) and locking elements (3), the locking elements (2) interacting with locking elements (4) arranged on the outside of the housing chamber walls (5). 2. Verriegelungseinrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß sie den Konturen der zu verriegelnden Gehäusekammer (6) angepaßt ist.2. Locking device according to claim 1 ,
characterized in that it is adapted to the contours of the housing chamber (6) to be locked. 3. Verriegelungseinrichtung nach Anspruch 1 und/oder 2, dadurch gekennzeichnet, daß sie einen rechteckigen, geschlossenen Rahmen (7) mit Rahmenwänden (7a, 7b, 7c, 7d) aufweist, wobei am Rahmen die Rastelemente (2) und Verriegelungselemente (3) angeordnet sind.3. Locking device according to claim 1 and / or 2, characterized in that it has a rectangular, closed frame (7) with frame walls (7a, 7b, 7c, 7d), the locking elements (2) and locking elements (3) on the frame are arranged. 4. Verriegelungseinrichtung nach Anspruch 3, dadurch gekennzeichnet,daß in der Innenfläche der Rahmenwand (7d) als Verriegelungselemente (3) zwei im seitlichen Abstand voneinander symmetrisch zur Mitte der Wandung angeordnete, stiftförmige Stopper (8) angeformt sind, die parallel verlaufend senkrecht nach unten ragen, und die Rahmenwand etwa mit doppelter Länge überragen, und daß in gleicher gegenüberliegender Anordnung sich ebenfalls Stopper (8) an der Rahmenwand (7b) befinden.4. Locking device according to claim 3, characterized in that in the inner surface of the frame wall (7d) as locking elements (3) two at the lateral distance from each other symmetrically arranged to the center of the wall, pin-shaped stoppers (8) are formed, which extend parallel downwards vertically, and protrude about twice the length of the frame, and that in the same opposite arrangement also stoppers (8) on the Frame wall (7b) are. 5. Verriegelungseinrichtung nach Anspruch 3 und/oder 4, dadurch gekennzeichnet, daß in der Gehäusekammer (12) auf der Innenfläche der sich gegenüberliegenden Gehäusekammerwandungen (5) eine im Querschnitt betrachtet einwärts in Richtung Stecköffnung (12a) gerichtete Auflaufschräge (26) vorgesehen ist, die quer zur Längserstreckung der Gehäusekammer verläuft.5. Locking device according to claim 3 and / or 4, characterized in that in the housing chamber ( 1 2) on the inner surface of the opposite housing chamber walls (5), viewed in cross section, inward towards plug opening ( 1 2a) directed ramp (26) is provided which is transverse to the longitudinal extent of the housing chamber. 6. Verriegelungseinrichtung nach Anspruch 5,
dadurch gekennzeichnet, daß im Endbereich der Stopper (8) nach außen gerichtete Schrägen (27) angeordnet sind.6. Locking device according to claim 5,
characterized in that in the end region of the stopper (8) outward slopes (27) are arranged. 7. Verriegelungseinrichtung nach einem oder mehreren der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß an der Außenfläche der Rahmenwand (7d und 7b) jeweils als Rastelement (2) ein Rastbügel angeordnet ist, der aus zwei im seitlichen Abstand voneinander parallel zueinander senkrecht nach unten ragenden Bügelarmen (10) besteht, die am Ende über einen Quersteg (11) miteinander verbunden sind.7. Locking device according to one or more of claims 1 to 6,
characterized in that on the outer surface of the frame wall (7d and 7b) a latching element is arranged as a latching element (2), which consists of two bracket arms ( 1 0) projecting parallel and perpendicularly downwards from one another, which at the end has a Crossbar ( 11 ) are interconnected. 8. Verriegelungseinrichtung nach Anspruch 7,
dadurch gekennzeichnet, daß jeder Rastbügel (9) die jeweilige Rahmenwand (7d, 7b) etwa mit der gleichen Länge wie die Stopper (8) überragt.8. Locking device according to claim 7,
characterized in that each locking bracket (9) projects over the respective frame wall (7d, 7b) with approximately the same length as the stoppers (8). 9. Verriegelungseinrichtung nach Anspruch 7 und/oder 8, dadurch gekennzeichnet, daß auf der jeweiligen, mit einem Rastbügel (9) zusammenwirkenden Außenfläche der Gehäusekammerwandungen (5) Raststege (22, 23) vorgesehen sind, die im Abstand voneinander sowie von der Oberkante (21) und zu dieser parallel verlaufend angeordnet sind.9. Locking device according to claim 7 and / or 8, characterized in that on the respective, with a locking bracket (9) cooperating outer surface of the housing chamber walls (5) locking webs (22, 23) are provided, which are spaced from each other and from the upper edge ( 2 1 ) and arranged parallel to this. 10. Verriegelungseinrichtung nach Anspruch 9,
dadurch gekennzeichnet, daß der Raststeg (22) im Querschnitt etwa dreieckförmig ausgebildet ist und eine zur Gehäusekammerwandung (5) weisende Anlaufschräge (24) besitzt und der juersteg (11) des Rastbügels (9) eine etwa parallel zur Anlaufschräge (24) verlaufende Anlaufschräge (25) aufweist. 1 0. locking device according to claim 9,
characterized in that the latching web (22) is approximately triangular in cross-section and has a run-on slope (24) facing the housing chamber wall (5) and the juersteg ( 11 ) of the latching bracket (9) has a run-on slope (approximately parallel to the run-up slope (24)) 25). 11. Verriegelungseinrichtung nach Anspruch 9 und/oder 10, dadurch gekennzeichnet, daß der Abstand der Raststege (22, 23) voneinander etwa der Breite des Querstegs (11) entspricht.11. Locking device according to claim 9 and / or 10, characterized in that the distance between the locking webs (22, 23) from each other corresponds approximately to the width of the crossbar (11). 12. Verriegelungseinrichtung nach einem oder mehreren der Ansprüche 9 bis 11,
dadurch gekennzeichnet, daß der Raststeg (23) im Querschnitt gerundet ausgeführt ist.12. Locking device according to one or more of claims 9 to 1 1,
characterized in that the locking web (23) is rounded in cross section.
EP83108655A 1982-12-18 1983-09-02 Electrical plug-in connector with a locking device for an electrical contact element extending into a housing Expired EP0113809B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3247022 1982-12-18
DE8235702U DE8235702U1 (en) 1982-12-18 1982-12-18 Locking device for an electrical contact element plugged into a housing chamber
DE19823247022 DE3247022A1 (en) 1982-12-18 1982-12-18 LOCKING DEVICE FOR AN ELECTRICAL CONTACT ELEMENT INSERTED IN A HOUSING CHAMBER

Publications (3)

Publication Number Publication Date
EP0113809A2 true EP0113809A2 (en) 1984-07-25
EP0113809A3 EP0113809A3 (en) 1987-01-14
EP0113809B1 EP0113809B1 (en) 1989-05-24

Family

ID=37781875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83108655A Expired EP0113809B1 (en) 1982-12-18 1983-09-02 Electrical plug-in connector with a locking device for an electrical contact element extending into a housing

Country Status (4)

Country Link
US (2) US4583805A (en)
EP (1) EP0113809B1 (en)
JP (1) JPS59119688A (en)
DE (2) DE3247022A1 (en)

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Also Published As

Publication number Publication date
EP0113809A3 (en) 1987-01-14
DE3247022A1 (en) 1984-06-20
US4660915A (en) 1987-04-28
EP0113809B1 (en) 1989-05-24
JPS59119688A (en) 1984-07-10
JPH056795B2 (en) 1993-01-27
US4583805A (en) 1986-04-22
DE3247022C2 (en) 1988-08-11
DE8235702U1 (en) 1984-10-25

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