EP1128480B1 - Mécanisme de déverrouillage - Google Patents

Mécanisme de déverrouillage Download PDF

Info

Publication number
EP1128480B1
EP1128480B1 EP20010104642 EP01104642A EP1128480B1 EP 1128480 B1 EP1128480 B1 EP 1128480B1 EP 20010104642 EP20010104642 EP 20010104642 EP 01104642 A EP01104642 A EP 01104642A EP 1128480 B1 EP1128480 B1 EP 1128480B1
Authority
EP
European Patent Office
Prior art keywords
housing
contacts
unlocking
aid
unlocking aid
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
EP20010104642
Other languages
German (de)
English (en)
Other versions
EP1128480A3 (fr
EP1128480A2 (fr
Inventor
Ralph Behnke
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.)
TE Connectivity Germany GmbH
Original Assignee
Tyco Electronics AMP 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 Tyco Electronics AMP GmbH filed Critical Tyco Electronics AMP GmbH
Priority to EP20010104642 priority Critical patent/EP1128480B1/fr
Publication of EP1128480A2 publication Critical patent/EP1128480A2/fr
Publication of EP1128480A3 publication Critical patent/EP1128480A3/fr
Application granted granted Critical
Publication of EP1128480B1 publication Critical patent/EP1128480B1/fr
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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/22—Hand tools
    • 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
    • H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • H01R13/4223—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers

Definitions

  • the invention relates to an electrical connector with an unlocking aid for unlocking contacts which are attached to a line and retained in a housing by a primary latch mechanism.
  • Primary latch mechanisms are typically constructed on the contacts in the form of outwardly protruding latching springs which reach behind an edge in the housing of the plug. Such primary latch mechanisms can typically only be released using sharp objects which bend the latching springs downwards, insofar as they are accessible from the outside at all. In so doing, however, the latching springs are usually plastically deformed so that either they subsequently have to be bent back again or the contacts cannot be re-used.
  • US 4,635,355 discloses a method and apparatus for extracting an electrical terminal having a canted locking lance from a first housing, and preparing the locking lance of the terminal for insertion in the same or a second similar housing.
  • the connector housing includes an outer wall having a window formed therein for receiving a free end of the locking lance. The lance free end engages an edge of the window when the terminal is fully inserted in the connector housing, thereby preventing withdrawal of the terminal from the housing.
  • a tool is provided with first and second lance engaging portions, the first lance engaging portion including a projection of predetermined dimensions receivable in the window to depress and deform the locking lance, allowing extraction of the terminal from the connector housing. Deformation of the lance is limited to a repairable amount.
  • the second lance engaging portion of the tool includes a hook-like lance reforming member insertable beneath the lance and a floor of the terminal.
  • the hook-like member includes an external rocking surface for engaging the terminal floor. Upon rocking of the hook-like member, the lance is wedged away from the floor so that the deformation thereof is removed, and its original operating performance restored.
  • a special tool for unlocking the contacts is therefore necessary, this special tool making it possible to release all the primary latching mechanisms at the same time. Since there are a plurality of housings and the contacts are not always arranged at the same spacing from one another, there is no universal tool which can be used to unlock the contacts. Thus, a separate unlocking tool is required for each type of housing. Since the assembly engineer seldom has the appropriate unlocking tool at hand, the contacts are usually damaged.
  • the object of this invention is therefore to provide an unlocking aid for unlocking contacts which are attached to a line and which are each received in the housing with a primary latching mechanism such that the assembly engineer always has an unlocking aid to hand and damage to the contacts is avoided.
  • the assembly engineer always has the appropriate unlocking aid available.
  • the assembly engineer will not use any auxiliary tool, which always entails a risk of damaging the contacts. Because all the primary latching mechanisms of the contacts can be released at the same time using the unlocking aid, the housing can easily be separated from the line with the contacts attached.
  • the primary latching mechanisms are constructed in the form of latching springs on the contacts, and windows through which the unlocking aid presses the latching springs down to unlock them are provided in the housing at the locations of the primary latching mechanisms.
  • the unlocking aid is constructed in the form of a part which is separable from the plug, such as the secondary locking member for the contacts.
  • unlocking aid in one piece with the housing and to release the primary latching mechanisms of the contacts only by way of a pivotal mechanism.
  • FIG 1 illustrates a plugging connection having the unlocking aid 1 according to the invention.
  • the plugging connection comprises a housing 2 and a mating plug 3, each of which is connected to a line 5 by way of contacts 4 (not illustrated in Figure 1).
  • the line 5 is constructed in the form of a flexible line, but could equally well be a low-profile (flat) line with a plurality of cores (leads) arranged next to one another.
  • Figure 2 shows the plugging connection according to Figure 1 in an exploded illustration.
  • the contacts 4 attached to the line 5 are visible.
  • the unlocking aid 1 is constructed to be separable from the housing 2 and may be pushed onto the housing 2 as illustrated in Figure 1, from the terminal side, that is to say from the side on which the line 5 is brought up to the housing 2.
  • the unlocking aid is substantially U-shaped in cross-section and comprises a base wall 8, a rear wall 9 and a top wall 10.
  • Arranged on the rear wall 9 are two protrusions 11 which are spaced from one another by the same amount as the windows 7 are in the housing 2.
  • the protrusions 11 are dimensioned such that they may be inserted through the windows 7 from above.
  • the unlocking aid 1 as illustrated in Figure 2 is drawn off the housing 2 and placed on the housing 2 from above as illustrated in Figure 3 such that the protrusions 11 release the primary latching mechanism 6 through the windows 7.
  • Figures 4 to 6 illustrate the three phases of release of the primary latching mechanism, with the housing 2, the unlocking aid 1 and the line 5 each being illustrated in section.
  • the unlocking aid 1 abuts by means of its rear wall laterally with respect to the protrusions 11 against the upper side of the housing 2, as illustrated in Figures 5 and 6. This ensures that the primary latching mechanism 6 is only pressed down by an amount equivalent to the height of the protrusions 11 and thus the possibility of over-bending of the primary latching mechanism 6 is eliminated. Over-bending would carry a risk of the primary latching mechanism 6 being plastically deformed and the contacts 4 no longer being securely fixed when they are re-inserted into the housing 2.
  • the unlocking aid 1 is at the same time constructed to form a secondary securing means.
  • the unlocking aid 1 has a continuous rib 12 on the underside of the top wall 10, and this continuous rib 12 is inserted into a corresponding recess 13 in the housing 2 in order to lock the contacts 4 in the housing 2 and hence (see Figures 4 and 5) reaches form-fittingly (in an interlocking manner) behind the contacts 4.
  • the housing 2 is inserted into the mating plug 3 of box-shaped construction with the unlocking aid 1 pushed on, so that it is no longer possible to lift off the unlocking aid upwards, and thus the secondary securing means also cannot be separated when the plugging connection is made.
  • the invention is not restricted to the example embodiment illustrated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (4)

  1. Connecteur électrique comportant un moyen de déverrouillage (1) pour déverrouiller plusieurs contacts (4) fixés sur une ligne (5), le connecteur comprenant un boítier (2) et des contacts (4) reçus dans le boítier (2) et verrouillés sur celui-ci par un mécanisme de verrouillage primaire respectif (6), le mécanisme de verrouillage primaire (6) ayant la forme d'un ressort de verrouillage sur chacun des contacts (4), le boítier (2) comportant des fenêtres (7), à travers lesquelles le moyen de déverrouillage (1) agit de l'extérieur sur le mécanisme de verrouillage primaire (6), les fenêtres (7) étant agencées dans le boítier (2) au niveau des emplacements de l'agencement des mécanismes de verrouillage primaires (6) des contacts (4), caractérisé en ce que le moyen de déverrouillage (1) est intégré dans le boítier (2) et forme des saillies (11), celles-ci étant agencées au même espacement de quadrillage que les fenêtres (7) dans le boítier (2), de sorte que tous les mécanismes de verrouillage primaires (6) des contacts (4) peuvent être dégagés en même temps par l'intermédiaire du moyen de déverrouillage (1).
  2. Connecteur électrique comportant un moyen de déverrouillage (1) selon la revendication 1, caractérisé en ce que le moyen de déverrouillage (1) peut être séparé du boítier du connecteur (2).
  3. Connecteur électrique comportant un moyen de déverrouillage (1) selon les revendications 1 ou 2, caractérisé en ce que le moyen de déverrouillage (1) est en même temps destiné à former un moyen de fixation secondaire des contacts (4).
  4. Connecteur électrique comportant un moyen de déverrouillage (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la ligne (5) est constituée par une ligne flexible (5).
EP20010104642 2000-02-23 2001-02-23 Mécanisme de déverrouillage Expired - Lifetime EP1128480B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20010104642 EP1128480B1 (fr) 2000-02-23 2001-02-23 Mécanisme de déverrouillage

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00103751 2000-02-23
EP00103751 2000-02-23
EP20010104642 EP1128480B1 (fr) 2000-02-23 2001-02-23 Mécanisme de déverrouillage

Publications (3)

Publication Number Publication Date
EP1128480A2 EP1128480A2 (fr) 2001-08-29
EP1128480A3 EP1128480A3 (fr) 2002-01-23
EP1128480B1 true EP1128480B1 (fr) 2003-02-12

Family

ID=26070585

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010104642 Expired - Lifetime EP1128480B1 (fr) 2000-02-23 2001-02-23 Mécanisme de déverrouillage

Country Status (1)

Country Link
EP (1) EP1128480B1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4635355A (en) * 1986-01-06 1987-01-13 Molex Incorporated Tool for electrical terminals
JP3216779B2 (ja) * 1995-02-23 2001-10-09 矢崎総業株式会社 コネクタにおける端子金具の不完全挿入矯正方法及び矯正用治具

Also Published As

Publication number Publication date
EP1128480A3 (fr) 2002-01-23
EP1128480A2 (fr) 2001-08-29

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