EP0654855B1 - Elektrischer Verbinder mit verbesserten Anschlusshaltemitteln - Google Patents

Elektrischer Verbinder mit verbesserten Anschlusshaltemitteln Download PDF

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Publication number
EP0654855B1
EP0654855B1 EP19930117133 EP93117133A EP0654855B1 EP 0654855 B1 EP0654855 B1 EP 0654855B1 EP 19930117133 EP19930117133 EP 19930117133 EP 93117133 A EP93117133 A EP 93117133A EP 0654855 B1 EP0654855 B1 EP 0654855B1
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EP
European Patent Office
Prior art keywords
terminal
latch
passageway
electrical connector
pair
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
EP19930117133
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English (en)
French (fr)
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EP0654855A1 (de
Inventor
Uwe Schwarz
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.)
Molex LLC
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Molex LLC
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Publication date
Application filed by Molex LLC filed Critical Molex LLC
Priority to EP19930117133 priority Critical patent/EP0654855B1/de
Priority to DE1993618840 priority patent/DE69318840T2/de
Publication of EP0654855A1 publication Critical patent/EP0654855A1/de
Application granted granted Critical
Publication of EP0654855B1 publication Critical patent/EP0654855B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H01R13/415—Securing in non-demountable manner, e.g. moulding, riveting by permanent deformation of contact member

Definitions

  • This invention relates to an electrical connector according to the preamble of claims 1, 7 and 12 as well as to a method of assembling such an electrical connector according to claim 9.
  • a wide variety of electrical connectors include dielectric housings within which are secured a plurality of metallic contact terminals by mechanical means.
  • terminals usually were retained within connector housings by molding the housing around the terminals, potting the terminals within the housing or force fitting the terminals in passageways for permanent retention.
  • small terminals most often have been stamped and formed from thin sheet metal material, with the terminals including locking lances or fingers which protrude at an appropriate angle laterally to engage behind stop surfaces within the housing passageway to secure the terminals against withdrawal.
  • the locking fingers are resilient and deflect inwardly toward the terminal during insertion of the terminal into a passageway in the connector housing, and then the locking fingers spring back and engage behind the stop surfaces.
  • Another typical terminal retention means employs locking fingers on the plastic housing extending into the terminal-receiving passageway.
  • the locking fingers on the housing initially are deflected by the terminal during insertion and then spring back and engage behind stop surface means on the terminal upon full insertion.
  • US-A-3 500 299 avoids these problems by an electrical connecting device which comprises a plug casting having a hole for receiving a stamped metal pin structure.
  • the pin structure comprises fixed shoulder means on one end and a bendable locking lug on the opposite end which is bendable onto a shoulder of the plug casting.
  • An object, therefore, of this invention is to provide an improved terminal retention means or system wherein conventional stamped and formed terminals are very simply secured tightly within their connector housing passageways by deformable locking fingers.
  • an electrical connector is disclosed with a dielectric housing having at least one terminal-receiving passageway defining a terminal-insertion axis.
  • the housing includes at least a pair of latch shoulders in the passageway.
  • a terminal is insertable along the axis into the passageway.
  • the terminal includes at least a pair of latch arms for latching behind the latch shoulders to prevent removal of the terminal from the passageway.
  • the latch arms of the terminal be a deformable member which are permanently deformable from a first, insertion position to a second, latching position.
  • the latch arms are juxtaposed along the terminal to permit insertion of the terminal into the passageway.
  • the latch arms are deformed transversely from the first position into engagement with the latch shoulders to prevent removal of the terminal from the passageway.
  • the terminal is stamped and formed from sheet metal material and includes a mating end, a terminating end and an intermediate body portion therebetween.
  • the body portion is generally box-shaped as defined by a plurality of side walls.
  • the latch arms are on one of the side walls and are generally planar portions of the terminal. The latch arms are deformable in a direction generally parallel to the plane of the arms.
  • the invention also contemplates a method of assembling an electrical connector which includes terminals having latch arms permanently deformable into engagement with latch shoulders within terminal-receiving passageways of the connector housing to prevent removal of the terminals from the passageways.
  • a terminal generally designated 10 to incorporate the concepts of the invention.
  • the terminal includes a mating end, generally designated 12, a terminating end, generally designated 14, and an intermediate body portion, generally designated 16, between the ends.
  • Mating end 12 of terminal 10 is a female mating end for receiving a male terminal blade.
  • the mating end includes a pair of bifurcated terminal arms 12a which are flared apart to define an entry mouth 12b into which a flat terminal blade is insertable.
  • the blade is of a thickness to spread terminal arms 12a and establish good contact with the arms in a contacting area 12c.
  • Terminating end 14 of terminal 10 includes a pair of contact arms 14a which can be spread apart, as at 14b, to provide some relative flexibility therebetween. Terminating arms 14a are adapted to form solder tails for insertion into an appropriate hole in a printed circuit board for soldered electrical connection to circuit trace means on the board and/or in the hole.
  • Intermediate body portion 16 of terminal 10 is box-shaped as defined by opposite pairs of side walls 16a and 16b.
  • the box-shaped body portion defines a generally rectangular cavity therewithin and can be used as a contact in e.g. a fuse box for an automotive application.
  • a contact e.g. a fuse box for an automotive application.
  • terminal 10 is not intended to be limiting, because the broader concepts of the invention have applicability for a wide range of terminal shapes or configurations.
  • terminal 10 include at least one pair of latch arms 20 which are permanently deformable into latching condition within a connector housing, as described hereinafter.
  • a pair of latch arms 20 are stamped and formed out of one or both walls 16a on one or both opposite sides of body portion 16 of terminal 10.
  • the latch arms have necked-down base areas 20a about which the arms primarily are deformed.
  • the latch arms comprise generally planar portions generally coplanar with side walls 16a.
  • the latch arms are permanently deformable in a direction generally parallel to the planes of the arms, as indicated by arrows "A" in Figure 1.
  • latch arms or locking fingers of previous stamped and formed metal terminals have been flexible or resilient about the bases or roots of the arms in a direction generally perpendicular to the planes of the arms. Therefore, the arms flex in one direction and spring back to their initial or latching positions. This is in contrast to the concepts of the invention wherein latch arms 20 are intended to be deformed 'permanently". In other words, it is not intended for the latch arms to spring back to any initial or insertion positions.
  • the invention contemplates an electrical connector which includes a dielectric housing, generally designated 22, having at least one terminal-receiving passageway 24 defining a terminal-insertion axis 26 (Fig. 3).
  • the dielectric housing may include a plurality of terminal-receiving passages 24, the following description will refer to the one illustrated passageway 24 in conjunction with one of the terminals 10.
  • each passageway 24 includes a pair of stop shoulders 28 on one or both opposite sides of the passageway, latch shoulders 30 on opposite sides of the passageway and tool-receiving recesses 32 on opposite sides of the passageway, all for purposes described below.
  • stop shoulders 28 engage ledges 34 (Fig. 1) of terminal 10
  • terminal 10 in inserted into passageway 24 in the direction of arrows "B".
  • the terminals are inserted by an insertion and deforming tool 40 which has a triangulated end as seen best at 42 in Figure 6.
  • the tool also has a central recessed area 44 as seen best in Figure 5.
  • the terminal is engaged by triangulated end 42 of the tool as seen in Figure 6, whereby the terminal is inserted in the direction of arrows "B” until ledges 34 on the terminal engage stop shoulders 28 within the housing passageway as seen best in Figure 5. This defines the fully inserted position of the terminal.
  • Tool 40 then is forced further against latch arms 20 in the direction of arrow "C" as illustrated in Figure 7.
  • the triangulated configuration at end 42 of the tool is effective to permanently deform the latch arms by spreading the latch arms apart in the direction of arrows "D".
  • the latch arms are deformed outwardly such that the distal ends of the latch arms seat tightly against latch shoulders 30 of housing 22 within passageway 24.
  • recess 44 (Fig. 5) within the end of the tool accommodates terminating arms 14a of the terminal.
  • recesses 32 on opposite sides of passageway 24 accommodate the full width of tool 40 to ensure that there is adequate area on the triangulated end portions of the tool to engage and deform the thin metal latch arms 20 of the terminal.
  • the latch arms remain permanently deformed in engagement with latch shoulders 30.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Claims (13)

  1. Elektrischer Verbinder mit folgenden Merkmalen:
    ein dielektrisches Gehäuse (22) mit einem anschlußklemmenaufnehmenden Durchgang (24), der eine Anschlußeinsetzachse (26) bildet,
    das Gehäuse umfaßt einen Verriegelungsabsatz (30) in dem Durchgang,
    eine Anschlußklemme (10), die entlang der Achse in dem Durchgang einsetzbar ist, wobei die Anschlußklemme Verriegelungseinrichtungen (20) umfaßt, die aus einer ersten Einsetzstellung, in welcher die Anschlußklemme (10) in dem Durchgang (24) eingesetzt werden kann, in eine zweite Verriegelungsstellung dauerhaft deformierbar sind, in welcher die Verriegelungseinrichtungen (20) quer zur Achse (26) von der ersten Stellung zur Anlage an den Verriegelungsabsatz (30) deformiert werden, um ein Herausziehen der Anschlußklemme aus dem Durchgang zu verhindern,
       dadurch gekennzeichnet,
    daß das dielektrische Gehäuse (22) wenigstens zwei Verriegelungsabsätze (30) an im allgemeinen gegenüberliegenden Seiten des Durchgangs (24) aufweist, und
    daß die Verriegelungseinrichtungen (20) wenigstens zwei deformierbare Verriegelungsarme umfaßt, die zur verriegelnden Anlage der jeweiligen Verriegelungsabsätze (30) spreizbar sind.
  2. Elektrischer Verbinder nach Anspruch 1, dadurch gekennzeichnet, daß die Anschlußklemme (10) ein aus Metallblech gestanztes und geformtes Element ist, und daß die Verriegelungsarme (20) allgemein einen ebenen Abschnitt der Anschlußklemme darstellen und in eine Richtung generell parallel zur Ebene des Arms deformierbar sind.
  3. Elektrischer Verbinder nach Anspruch 1, dadurch gekennzeichnet, daß die Anschlußklemme (10) ein Steckende (12), ein Anschlußende (14) und einen dazwischenliegenden Körperabschnitt (16) umfaßt, wobei sich der Verriegelungsarm an dem Körperabschnitt befindet.
  4. Elektrischer Verbinder nach Anspruch 4, dadurch gekennzeichnet, daß der Körperabschnitt (16) im allgemeinen kastenförmig ist, wie er durch mehrere Seitenwände (16a, 16b) gebildet wird, und daß sich der Verriegelgungsarm an einer der Seitenwände (16a) befindet.
  5. Elektrischer Verbinder nach Anspruch 1, dadurch gekennzeichnet, daß die Anschlußklemme (10) aus Metallblech gestanzt und der Verriegelgungsarm (20) eine generell ebene und freistehende Komponente ist, die in eine Richtung generell parallel zur Ebene des Arms deformierbar ist.
  6. Elektrischer Verbinder nach Anspruch 1, dadurch gekennzeichnet, daß er zwischen dem Verriegelungsarm (20) und dem Gehäuse (22) in dem Durchgang (24) komplementär ineinandergreifende Anschlagseinrichtungen (28, 34) umfaßt, um einen vollständig eingesetzten Zustand der Anschlußklemme zu bilden.
  7. Elektrischer Verbinder mit folgenden Merkmalen:
    ein dielektrisches Gehäuse (22) umfaßt einen anschlußklemmenaufnehmenden Durchgang (24), der eine Anschlußeinsetzachse (26) bildet,
    das Gehäuse umfaßt Anschlagseinrichtungen in dem Durchgang und einen Verriegelungsabsatz (30), wobei eine Anschlußklemme (10) entlang der Achse in den Durchgang einsetzbar ist, und die Anschlußklemme aus einem Metallblech gestanzt und geformt ist, und ein Steckende (12), ein Anschlußende (14) und einen zwischen den Enden liegenden Körperabschnitt (16) umfaßt,
       dadurch gekennzeichnet,
    daß das dielektrische Gehäuse (22) wenigstens zwei Verriegelungsabsätze (30) an sich gegenüberliegenden Seiten des Durchgangs (24) aufweist,
    daß der Körperabschnitt generell kastenförmig ist, wie er durch mehrere Seitenwände (16a, 16b) gebildet ist,
    daß wenigstens eine der Seitenwände (16a) zwei Verriegelungsarme (20) umfaßt, die dauerhaft aus den ersten Einsetzzuständen, in welche die Anschlußklemme in dem Durchgang eingesetzt werden kann, in zweite Verriegelungszustände deformierbar sind, in welchen die Verriegelungsarme (20) quer zur Achse der erste Zustände zur Anlage der jeweiligen Verriegelungsabsätze (30) deformiert sind, um ein Herausziehen der Anschlußklemme (10) aus dem Durchgang (24) zu verhindern,
    daß die Anschlußklemme eine Anschlagseinrichtung (34) umfaßt, die an die Anschlagseinrichtung (28) anlegbar ist, um einen vollständig eingesetzten Zustand der Anschlußklemme zu bilden.
  8. Elektrischer Verbinder nach Anspruch 7, dadurch gekennzeichnet, daß die Verriegelungsarme (20) generell ebene Abschnitte der Anschlußklemme und deformierbar in die Richtungen generell parallel zu den jeweiligen Ebenen der Arme deformierbar sind.
  9. Verfahren zum Zusammenbauen eines elektrischen Verbinders mit folgenden Schritten:
    Bereitstellen eines dielektrischen Gehäuses (22) mit einem anschlußklemmenaufnehmenden Durchgang (24) und wenigstens zwei Verriegelungsabsätzen (30) an den im wesentlichen gegenüberliegenden Seiten des Durchgangs;
    Bereitstellen einer Anschlußklemme (10), die in den Durchgang (24) einsetzbar ist und wenigstens zwei deformierbare Verriegelungsarme (20) umfaßt;
    Einsetzen der Anschlußklemme (10) in den anschlußklemmenaufnehmenden Durchgang (24); und
    dauerhaftes Deformieren der Verriegelungsarme (20) derart, daß sie an den jeweiligen Verriegelungsabsätzen (30) anliegen, um ein Herausziehen der Anschlußklemme aus dem Durchgang zu verhindern.
  10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß der Schritt des dauerhaften Deformierens der Verriegelungsarme (20) folgende Schritte umfaßt:
    Drücken einer Deformierungseinrichtung (40), die ein dreieckförmiges Ende (42) besitzt, gegen jedes Verriegelungsarmpaar (20), um die Verriegelungsarme (20) dauerhaft durch Spreizen der Verriegelungsarme (20) in ein verriegelndes Anlegen gegen die jeweiligen Verriegelungsabsatzpaare (30) zu deformieren.
  11. Verfahren nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß das Verfahren das Stanzen und Formen der Anschlußklemme (10) aus Metallblech umfaßt, wobei der Verriegelungsarm (20) ein generell ebener Abschnitt der Anschlußklemme ist, und der Deformationsschritt das Deformieren des Verriegelungsarms in einer Richtung generell parallel zur Ebene des Arms umfaßt.
  12. Elektrischer Verbinder mit folgenden Merkmalen:
    ein dielektrisches Gehäuse (22) mit einem anschlußklemmenaufnehmenden Durchgang (24), wobei das Gehäuse Verriegelungsflächeneinrichtungen (30) in dem Durchgang umfaßt,
    eine Anschlußklemme (10), die in dem Durchgang einsetzbar ist und Verriegelungseinrichtungen (20) besitzt, die in Kontakt mit den Verriegelungsflächeneinrichtungen (30) dauerhaft deformierbar sind, um ein Herausziehen der Anschlußklemme (10) aus dem Durchgang (24) zu verhindern,
       dadurch gekennzeichnet,
       daß das dielektrische Gehäuse (22) wenigstens zwei Verriegelungsflächeneinrichtungen (30) an sich generell gegenüberliegenden Seiten des Durchgangs (24) umfaßt, wobei die Verriegelungseinrichtungen wenigstens zwei deformierbare Verriegelungsarme (20) umfassen, die in einen verriegelnden Kontakt mit dem jeweiligen Paar der Verriegelungsflächeneinrichtungen (30) spreizbar sind.
  13. Elektrischer Verbinder nach Anspruch 12, dadurch gekennzeichnet, daß die Anschlußklemme (10) ein gestanztes und geformtes Element aus Metallblech ist, und daß der Verriegelungsarm (20) einen generell ebenen Abschnitt der Anschlußklemme darstellt und in eine Richtung generell parallel zur Ebene des Arms deformierbar ist.
EP19930117133 1993-10-22 1993-10-22 Elektrischer Verbinder mit verbesserten Anschlusshaltemitteln Expired - Lifetime EP0654855B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19930117133 EP0654855B1 (de) 1993-10-22 1993-10-22 Elektrischer Verbinder mit verbesserten Anschlusshaltemitteln
DE1993618840 DE69318840T2 (de) 1993-10-22 1993-10-22 Elektrischer Verbinder mit verbesserten Anschlusshaltemitteln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19930117133 EP0654855B1 (de) 1993-10-22 1993-10-22 Elektrischer Verbinder mit verbesserten Anschlusshaltemitteln

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EP0654855A1 EP0654855A1 (de) 1995-05-24
EP0654855B1 true EP0654855B1 (de) 1998-05-27

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010033173B4 (de) * 2010-08-03 2012-05-24 Phoenix Contact Gmbh & Co. Kg Kontaktelement zur Anordnung in einer Anschlussbuchse
US9065192B2 (en) * 2013-09-19 2015-06-23 Tyco Electronics Corporation Power terminal connector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1034599A (en) * 1964-05-29 1966-06-29 Cherry Electrical Prod Housing for an electrical device
US3500299A (en) * 1968-02-29 1970-03-10 Conalco Metals Inc Electrical plug and pin structure
JPH0548236U (ja) * 1991-11-30 1993-06-25 日本電気データ機器株式会社 コネクタ

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EP0654855A1 (de) 1995-05-24
DE69318840T2 (de) 1998-09-24
DE69318840D1 (de) 1998-07-02

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