EP0949721B1 - Einsteckbarer und verriegelbarer einpoliger Steckverbinder - Google Patents

Einsteckbarer und verriegelbarer einpoliger Steckverbinder Download PDF

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Publication number
EP0949721B1
EP0949721B1 EP19990104344 EP99104344A EP0949721B1 EP 0949721 B1 EP0949721 B1 EP 0949721B1 EP 19990104344 EP19990104344 EP 19990104344 EP 99104344 A EP99104344 A EP 99104344A EP 0949721 B1 EP0949721 B1 EP 0949721B1
Authority
EP
European Patent Office
Prior art keywords
connector
locking element
mating
camming
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.)
Expired - Lifetime
Application number
EP19990104344
Other languages
English (en)
French (fr)
Other versions
EP0949721A1 (de
Inventor
Xavier Schoenlaub
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.)
Whitaker LLC
Original Assignee
Whitaker LLC
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 Whitaker LLC filed Critical Whitaker LLC
Priority to EP19990104344 priority Critical patent/EP0949721B1/de
Publication of EP0949721A1 publication Critical patent/EP0949721A1/de
Application granted granted Critical
Publication of EP0949721B1 publication Critical patent/EP0949721B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • 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
    • H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
    • H01R13/213—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together by bayonet connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/66—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2101/00—One pole

Definitions

  • This invention relates to a pluggable electrical connector with a locking mechanism, for example a receptacle connector pluggable on a monopole complementary power connection.
  • Threaded connections have a number of disadvantages.
  • One disadvantage is that the contact pressure between the terminal and structure is difficult to adjust in view of the tolerance in frictional forces of threaded connections, affecting the clamping force of the nut when a specified torque is applied.
  • Threaded connections are not suitable for multipole connections, and if both power and ground are to be connected by a single cable or unit, two terminals separately bolted to the structure are required.
  • connection system that can be used for monopole or multiple connections. It would be advantageous to provide a secure connection even when subject to vibration and thermal cycles. It would be desirable to enable rapid and secure connection.
  • an electrical connector comprising a connection section for connection to a conductor such as a cable, a contact section for pluggable connection to a complementary connector, and a locking mechanism for securing the connectors in the coupled position
  • the locking mechanism comprises a locking element movable relative to the contact section in a direction transverse to a plugging direction of the connectors, the locking element engaged by a spring member biasing the locking element towards a rest position corresponding to a position taken by the locking element when the connectors are fully coupled and locked by the locking element, the locking element comprising a camming slot or stud coupleable with a complementary camming stud or slot of the mating connector, the camming slot having an oblique transition portion adapted to move the locking element transversely against the bias of the spring during coupling of the connectors, the camming slot comprising a locking portion extending from the transition portion and adapted to allow the locking element to resiliently
  • the locking element may be ring-shaped and rotatably movable about the contact section.
  • the guide element may be in the form of a protrusion or slot extending in the mating direction to prevent relative movement between the mating section and complementary connector in the transverse direction during plugging, the guide elements providing the reactive support force countering the spring force of the locking element.
  • the locking element may be provided with the camming slot, and the mating connector with the camming stud cooperating therewith, the locking element having an entry cutout at a mating face thereof for receiving and guiding the camming studs into the camming slot thereof.
  • the camming studs of the mating connector may advantageously also perform the function of guide elements received in the guiding slot in the mating section of the connector.
  • the mating section of the connector may be formed by a stamped and formed sheet metal part integrally connected to the connection section where the connector is a monopole connector for plugging to a mating connector in the form of a stud for ground or power supply.
  • the mating section may further comprise transverse guiding portions coupleable with complementary transverse guiding portions of the locking element in order to guide the locking element in transverse movement relative to the mating section, the guiding elements comprising a protrusion or slot on the locking element received in a complementary slot or protrusion in the mating section.
  • the transverse guiding elements may extend in a transverse direction that is substantially perpendicular to the connector mating direction.
  • the locking portion of the camming slot of the locking element may extend substantially orthogonally to the mating direction such that a secure retention of the connector to the complementary connector is ensured. Due to the oblique transitional slot and resilient biasing of the locking element, connectors which are incompletely coupled are biased to the fully uncoupled position. The connectors are thus prohibited from remaining in an incomplete coupled position that may subsequently uncouple during operation.
  • a connector assembly 2 comprises a connector 4 and a complementary or mating connector 6 for pluggable coupling with the connector 4.
  • the connector 6 is in this embodiment a monopole connector in the form of a cylindrical conductive stud 8 extending from a conductive base plate 10 that can be welded or otherwise fixed to a conductive structure, or for connection to a conductor such as a cable for ground or power connection.
  • the connector assembly 2 in this embodiment is thus for monopole applications such as ground or power connections in an automobile for example.
  • the complementary connector 6 further comprises a locking element 12 in the form of an elastic pin inserted transversely to the coupling direction M in a bore traversing the cylindrical stud 8 proximate the base 10. A pair of ends 13 of the locking element 12 thus project through opposite sides of the mating connector 6 and act as camming and looking elements.
  • the receptacle connector 4 comprises a housing or body 14, a locking mechanism 16, a contact section 18, and a connection section 20.
  • the body or housing 14 is conductive, and is stamped and formed from sheet metal integrally with the connection section 20 which in this embodiment comprises a crimping barrel 21 for crimping to a cable conductor.
  • the body could also be made of an insulative housing receiving a plurality of contacts therein for plugging connection to a plurality of contacts of a complementary connector comprising a housing and a complementary plurality of terminals.
  • the contact section 18 mounted within the body 14 can be electrically connected to the body 14. It is also possible to provide a contact section stamped integrally from the body 14 that engages the complementary stud 8.
  • the separate contact section 18 however can be made of a material with greater elasticity than the connection section material, and in this embodiment is in the form of an approximately cylindrical part having a plurality of contact arms 23 extending in the mating direction M arranged around the circumference of the contact section and having inwardly bowed contacts (see figure 13) that resiliently bias against the contact surface 25 of the cylindrical stud 8.
  • the ring support sections 26, 27 at the top and bottom of the contact section 18 support the contact arms 23 that extend therebetween, and also provide mechanical and electrical connection with the conductive body 14 as best seen in figure 13.
  • the connector 4 has a mating section 28 comprising a cavity 30 for receiving the contact section 18 therein, the mating section formed by the housing 14 for pluggable connection to the mating section of the complementary connector 6.
  • the locking mechanism 16 is mounted to the housing 14 and forms part of the mating section 28, the locking mechanism comprising a locking element 32 and a spring member 34.
  • the locking element 32 is substantially in the form of a ring rotatably movably mounted on the housing 14.
  • the spring member 34 has an attachment portion in the form of an end protrusion 36 that attaches to the locking element, and a second attachment portion in the form of a further end protrusion 38 that attaches to the housing 14, such that the locking member 32 is resiliently movable in a transverse direction with respect to the connector housing 14.
  • the spring member 34 acts in torsion and produces a torque spring bias between he locking element and the housing.
  • a locking member 32 that is movable in a direction transverse T to the mating direction M, and preferably perpendicularly to the mating direction M, in a linear or non circular motion whilst nevertheless providing the secure locking effect according to this invention.
  • a rotational movement of the locking element and provision of the torsion spring 34 provides a simple and reliable solution.
  • the locking element in this embodiment is moulded from a plastic or similar mouldable material and comprises an inner substantially cylindrical wall 40 that is inserted into the housing cavity 30, and an outer wall 42 spaced from the inner wall 40 with a gap 44, the outer wall 42 positioned outside of an external surface 43 of the housing 14.
  • a mating-end wall portion 45 of the housing 14 is thus received in the gap 44 of the locking element.
  • a mating face wall 46 interconnects the inner and outer walls 40, 42 proximate a mating end 47 of the connector.
  • the mating face wall 46 is provided with entry portions in the form of cutouts 48 adapted to receive the camming studs or projections 13 of the mating connector 6 therethrough into a camming slot 50 formed in the inner wall 40.
  • the camming protrusions 13 and camming slot 50 thus form complementary means that interengage to resiliently bias the locking element during coupling in the mating direction, transversely to the mating direction, and at full coupling bias the locking element to the fully locked position thereby securing the connectors in the fully coupled position.
  • the camming slot 50 is advantageously provided on the moulded locking element and can thus be easily shaped at low cost, it is nevertheless possible to provide the camming groove on the complementary connector 6 and the camming protrusion on the locking element. This would for example be cost effective where the connector 6 comprises a insulative housing with camming grooves moulded therein.
  • the monopole conductor 8 is preferably maintained as simple as possible for cost reasons, and view of exposure of the stud 8 when mounted to a structure or the like, whereby it is more advantageous to keep the stud 8 as simple as possible and provide the complicated functional features on the locking element that is removably pluggable to the structure.
  • the camming slot 50 in the locking element comprises an oblique transition portion 52 that may for example have a substantially helical shape, extending from the entry portion 48, the camming slot 50 further comprising a locking portion 54 extending transversely to the mating direction M and preferably orthogonally thereto, the locking portion having an end 55 defining a rest position against which the complementary camming protrusion 13 abuts in the fully coupled position.
  • the locking portion 54 may also be provided with a slight recess directed towards the mating end 47 in order to ensure that even under conditions of vibration and application of an uncoupling force on the connector 6, the locking element 32 remains resiliently biased against the complementary locking protrusions.
  • the locking element further comprises a transverse guide element 56 that engages with a complementary guide member 57 (see figure 3) of the housing 14 in order to guide the transverse movement T of the locking element with respect to the housing 14, whilst retaining the locking element to the housing 14 in the mating direction M.
  • the guide members constitute a guide protrusion 56 protruding from the inner wall 40 of the locking element and received in a slot 57 extending transversely across the body 14 from an assembly entry portion 58 to an end 59.
  • the entry portion 58 extends in the mating direction M to a spring attachment extension or cutout 60 in which the inwardly directed attachment portion 38 (see figure 2) of the spring 34 projects, such that the spring attachment portion 38 is retained to the housing 14 in the transverse direction (T).
  • the connector housing 14 further comprises a mating direction guide member 62 in the form of a slot extending from the mating end 47 of the housing 14, in the mating direction to an end 63 for receiving complementary guide portions of the mating connector 6 therein.
  • the complementary guide portions are in this embodiment advantageously formed by the camming protrusions or locking elements 13, such that the connectors 4, 6 are polarised and guided with respect to each other during coupling whilst the locking element is transversely resiliently biased.
  • the guiding and polarising of the connectors may however be performed by other guide means, or by providing complementary non-symmetrical shapes of the connectors such that only specific orientations are permitted with respect to each other. In the present monopole embodiment, it is however advantageous to utilise the locking and camming protrusions 13 also for guiding of the connectors in the mating direction, taking account of the torque or force applied by the spring 34.
  • the camming or locking protrusion 13 is inserted through the locking element entry portion 48 and abuts the oblique angled transitional camming surface of the transitional camming portion 52 and simultaneously enters the connector body guide slot 62.
  • the locking element is transversely biased n opposition to he spring force of the spring member which is wound to provide spring torsion on the locking element until the fully coupled position is reached and the locking element resiliently rotates from the extreme transitional state shown in figure 8 and figure 9, to the fully coupled locked or rest position shown in figure 10 and figure 11, where the locking protrusion 13 abuts against the rest surface 54 of the camming slot locking portion 54.
  • transverse locking surface 53 of the locking portion 54 thus securely retains the connectors in a locked fully coupled position. If coupling is incomplete, the resilient bias of the oblique camming surface 52 against the complementary protrusion 13 will cause the connectors to move to the initial coupling position shown in figures 6 and 12, whereby as best seen in figure 12 the contact section 18 is electrically disconnected from the mating contact section 8. Incorrect coupling is thus detected at an early stage and inadvertent disconnection during operation is avoided.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (14)

  1. Elektrischer Verbinder (4), der aufweist: einen Verbindungsabschnitt (20) für eine Verbindung mit einem Leiter, wie beispielsweise einem Kabel; einen Kontaktabschnitt (18) für eine Steckverbindung mit einem komplementären Verbinder (6); und einen Sperrmechanismus (16) für das Sichern der Verbinder in der gekoppelten Position, worin der Sperrmechanismus ein Sperrelement (32) aufweist, das relativ zum Kontaktabschnitt in einer Richtung quer (T) zu einer Steck- oder Eingriffsrichtung (M) der Verbinder beweglich ist, wobei das Sperrelement (32) mittels eines Federelementes (34) in Eingriff kommt, das das Sperrelement in Richtung einer Ruheposition entsprechend einer Position vorspannt, die durch das Sperrelement (32) eingenommen wird, wenn die Verbinder vollständig gekoppelt und durch das Sperrelement gesperrt sind, wobei das Sperrelement (32) einen Nockensteuerschlitz (50) oder -vorsprung aufweist, der mit einem komplementären Nockensteuervorsprung (13) oder -schlitz des Gegensteckverbinders gekoppelt werden kann, wobei der Nockensteuerschlitz (50) einen schrägen Übergangsabschnitt (52) aufweist, der so ausgeführt ist, daß er das Sperrelement in Querrichtung gegen die Vorspannung des Federelementes während des Koppelns der Verbinder bewegt, wobei der Nockensteuerschlitz (50) einen Sperrabschnitt (54) aufweist, der sich vom Übergangsabschnitt (52) aus erstreckt und so ausgeführt ist, daß er gestattet, daß sich das Sperrelement (32) elastisch in die Sperrposition vorspannt, wenn die Verbinder vollständig gekoppelt sind, wobei der Verbinder außerdem ein Führungselement (62) für die Eingriffsrichtung aufweist, das mit einem komplementären Führungselement (13) des Gegensteckverbinders während des Koppelns zusammenwirkt, wobei die Führungselemente (62, 13) ausgeführt sind, um den Kontaktabschnitt (18) und den komplementären Verbinder (6) in der Steckrichtung (M) zu führen, während das Sperrelement (32) während des Koppelns elastisch in Querrichtung bewegt wird.
  2. Verbinder nach Anspruch 1, bei dem der Verbinder einen Körper oder ein Gehäuse (14) aufweist, innerhalb dessen der Kontaktabschnitt vorhanden ist, wobei sich der Körper zu einer Eingriffsfläche (47) erstreckt und einen Hohlraum (30) für das Aufnehmen des Gegensteckverbinders darin mittels der Eingriffsfläche (47) aufweist.
  3. Verbinder nach Anspruch 2, bei dem der Körper aus Blech gestanzt und geformt wird.
  4. Verbinder nach Anspruch 2 oder 3, bei dem der Körper zusammenhängend mit dem Verbindungsabschnitt (21) ausgebildet ist, der für eine elektrische Verbindung mit einem Kabel ausgeführt ist, beispielsweise durch Crimpen.
  5. Verbinder nach einem der Ansprüche 2 bis 4, bei dem der Körper eine annähernd zylindrische Form aufweist, die sich in der Eingriffsrichtung (M) erstreckt.
  6. Verbinder nach einem der vorhergehenden Ansprüche, bei dem das Sperrelement (32) aus Kunststoff oder einem gleichen formbaren Material geformt und mit dem Nockensteuerschlitz (50) versehen ist, der den Sperrvorsprung (13) des Gegensteckverbinders aufnimmt.
  7. Verbinder nach Anspruch 6, bei dem das Sperrelement eine Innenwand (40) aufweist, die innerhalb eines Hohlraumes (30) eines Körpers oder Gehäuses (14) des Verbinders aufgenommen wird, wobei die Innenwand mit dem Nockensteuerschlitz (50) versehen ist.
  8. Verbinder nach Anspruch 6 oder 7, bei dem das Sperrelement eine Außenwand (42) aufweist, die von einer Innenwand (40) durch einen Spalt (44) getrennt ist, innerhalb dessen ein Eingriffsendabschnitt (45) des Gehäuses oder Körpers (14) aufgenommen wird.
  9. Verbinder nach einem der vorhergehenden Ansprüche, bei dem das Führungselement (62) für die Eingriffsrichtung aus dem Körper oder Gehäuse (14) ausgeschnitten ist, wobei es sich von der Eingriffsfläche (47) des Verbinders aus erstreckt.
  10. Verbinder nach einem der vorhergehenden Ansprüche, bei dem das Sperrelement eine Eingriffsflächenwand (46) aufweist, die sich zwischen der Innen- und der Außenwand (40, 42) erstreckt, die angrenzend an den Körper oder das Gehäuse (14) des Verbinders montiert werden kann, wobei die Eingriffsflächenwand (46) mit Eintrittsabschnitten (48) in der Form von Aussparungen für das Aufnehmen der komplementären Nockensteuervorsprünge (13) dort hindurch in den Nockensteuerschlitz (50) hinein versehen ist.
  11. Verbinder nach einem der vorhergehenden Ansprüche, bei dem das Federelement (34) im wesentlichen in der Form einer Spirale vorhanden ist, die um einen Körper oder ein Gehäuse (14) des Verbinders herum aufgenommen werden kann, und die durch eine Außenwand (42) des Sperrelementes (32) eingeschlossen wird, die annähernd in der Form eines Ringes vorliegt.
  12. Elektrische Verbinderanordnung, die den Verbinder nach einem der vorhergehenden Ansprüche und den Gegensteckverbinder (6) aufweist, worin der Gegensteckverbinder annähernd in der Form eines zylindrischen Bolzens (8) vorliegt.
  13. Anordnung nach vorhergehenden Ansprüchen, bei der ein Stift (12), der in eine Querbohrung des Kontaktbolzens (8) eingesetzt wird, den Nockensteuervorsprung oder die Nockensteuervorsprünge (13) auf einer oder bzw. gegenüberliegenden Seiten des Kontaktbolzens (8) für einen Eingriff in den Nockensteuerschlitz oder die Nockensteuerschlitze (50) des Sperrelementes (32) liefert.
  14. Anordnung nach einem der zwei vorhergehenden Ansprüche, bei der die Nockensteuervorsprünge (13) ebenfalls als das komplementäre Führungselement (62) des Verbinderkörpers oder -gehäuses (14) dienen.
EP19990104344 1998-03-10 1999-03-04 Einsteckbarer und verriegelbarer einpoliger Steckverbinder Expired - Lifetime EP0949721B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19990104344 EP0949721B1 (de) 1998-03-10 1999-03-04 Einsteckbarer und verriegelbarer einpoliger Steckverbinder

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98400552 1998-03-10
EP98400552 1998-03-10
EP19990104344 EP0949721B1 (de) 1998-03-10 1999-03-04 Einsteckbarer und verriegelbarer einpoliger Steckverbinder

Publications (2)

Publication Number Publication Date
EP0949721A1 EP0949721A1 (de) 1999-10-13
EP0949721B1 true EP0949721B1 (de) 2003-06-11

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EP19990104344 Expired - Lifetime EP0949721B1 (de) 1998-03-10 1999-03-04 Einsteckbarer und verriegelbarer einpoliger Steckverbinder

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4473042B2 (ja) 2004-05-26 2010-06-02 株式会社ジェイテクト トルク検出装置、ワイヤーハーネス、電動パワーステアリング装置及び端子ホルダ
DE102017218326A1 (de) * 2017-10-13 2019-04-18 Robert Bosch Gmbh Hochstromverbindung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681742A (en) * 1970-07-01 1972-08-01 Tkdi & Sealtron Corp Electrical connector, sleeve, and method for assembling
FR2628488B1 (fr) * 1988-03-14 1990-12-28 Ecia Equip Composants Ind Auto Attache rapide du type a baionnette perfectionnee
DE4232951A1 (de) * 1992-10-01 1994-04-07 Bosch Gmbh Robert Zündanlage für Brennkraftmaschinen
US5464301A (en) * 1994-06-21 1995-11-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Rotary latch

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