EP0420255B1 - Verriegelungsvorrichtung für Verbinder - Google Patents

Verriegelungsvorrichtung für Verbinder Download PDF

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Publication number
EP0420255B1
EP0420255B1 EP19900118593 EP90118593A EP0420255B1 EP 0420255 B1 EP0420255 B1 EP 0420255B1 EP 19900118593 EP19900118593 EP 19900118593 EP 90118593 A EP90118593 A EP 90118593A EP 0420255 B1 EP0420255 B1 EP 0420255B1
Authority
EP
European Patent Office
Prior art keywords
locking
engagement surface
connectors
locking arm
protuberance
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
EP19900118593
Other languages
English (en)
French (fr)
Other versions
EP0420255A1 (de
Inventor
Takayuki C/O Yazaki Parts Co. Ltd. Yamamoto
Masanori C/O Yazaki Parts Co. Ltd. Tsuji
Testuo C/O Yazaki Parts Co. Ltd. Kato
Mitsuru C/O Yazaki Parts Co. Ltd. Matsumoto
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.)
Yazaki Corp
Original Assignee
Yazaki Corp
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 Yazaki Corp filed Critical Yazaki Corp
Publication of EP0420255A1 publication Critical patent/EP0420255A1/de
Application granted granted Critical
Publication of EP0420255B1 publication Critical patent/EP0420255B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • H01R13/6272—Latching means integral with the housing comprising a single latching arm

Definitions

  • the present invention relates to a locking device for the locking of a pair of components to be releasably connected with each other, in particular a pair of connectors used for connecting two parts with each other, according to the preamble portion of claim 1.
  • Such locking devices can be used for connectors connecting a wire harness and the like.
  • a locking device of the type mentioned above is already known from US-A-3,933,406 wherein a protrusion having on its back an arcuate ramp surface for engagement with an inner surface of a locking arm is shown.
  • the arcuate ramp and said locking arm are mutually cooperative to forcefully propel the male member into fully assembled relation with female connector member.
  • both components of the connector have not reached their final engagement position.
  • the lower edge of said locking arm slips along the arcuate ramp surface whereby said components are shifted and pressed towards each other due to the energy stored by the elastic deformation of the locking arm. If the amount of energy stored in the locking arm is too little the components will not reach their final engagement position.
  • FIG. 1 Another locking device as shown in Fig. 1 is known from Japanese Patent Application Laid-open No. 53-49695.
  • a cantilevered locking arm 3 having a locking hole 4 thereon is formed between two slits 2, 2 on a cylindrical outer surface 1 of the connector F.
  • An engaging protuberance 6 is provided on an outer surface 5 of the connector M.
  • a stop 7 is used for protecting the locking arm 3.
  • the letter P indicates the path described by the inner surface 4a at the leading portion of the hole 4 as the locking arm 3 rotates about the fulcrum 3a and is resiliently restored to its initial state.
  • Fig. 3 is a graph showing the relationship between the locking load and the fitting depth (stroke) when the locking arm 3 is locked at the protuberance 6.
  • the locking load f increases with stroke 1 being increased, and reaches a maximum level at a point l1 where the hole 4 rides over the apex 6b of the protuberance 6, after which it decreases sharply and reaches zero. Because of inertia arising from their locked state, both connectors F and M stop when the stroke reaches a value l2.
  • the object of the present invention is to provide a locking device of the type mentioned at the beginning which allows reliable locking without the occurrence of backlash between the pair of components.
  • the locking arm and the engaging protuberance may lock together so that the surface of the locking arm facing towards the rear engagement surface is in contact with or in close proximity to the arcuate rear engagement surface of said protuberance.
  • Fig. 5 shows a male connector M and a female connector F.
  • a locking arm 12 is provided on the outer wall 11 of a main body 10 of the male connector M.
  • the locking arm 12 has a through hole 13 at its front end portion, and an operating knob 14 at is rear end portion. Both intermediate legs of the locking arm 12 are connected to the outer wall 11 through a base 15.
  • the locking arm 12 is resiliently rotatable upward or downward about the base 15 which serves as a fulcrum.
  • the female connector F has a hood 18 for receiving the main body 10 of the male connector M.
  • a protuberance 19 for engagement with said locking arm 12 protrudes from the outer wall of the hood 18.
  • the protuberance 19 has a gentle slant front surface 19a and a rear engagement surface 19b integrally formed on its rear.
  • This rear engagement surface 19b is shaped as an arcuate surface Q′ that corresponds to the path Q defined by the inner surface 13a at the front part of the through hole 13 when the locking arm 12 is rotated and displaced in vertical direction about the base 15.
  • the male connector M and female connector F are further made to be waterproof.
  • the front half portion of the locking arm 12 and the main body 10 are encased together in a waterproof hood 16 which also serves as a receptacle for the hood 18.
  • a guide wall 16a and a guide groove 16b are formed on the waterproof hood 16 so as to mate with flanges 20 and 21 to prevent a reverse connector engagement, respectively.
  • the connectors F and M are connected together through a gasket 17.
  • a terminal chamber 10a of the male connector M and a terminal chamber 18a of the female connector F house the female terminal and male terminal, respectively. Each of the terminals is connected to a wire, which is not shown in the illustration.
  • connection between the male connector M and female connector F is effected in the same manner as shown in Fig. 2A.
  • the front end portion of the locking arm 12 gradually moves along the slant surface 19a on the front part of the protuberance 19, the arm 12 is bent upward, while rotating about the base 15.
  • Figs. 7A and B show respective variations of the rear engagement surface 19b of the protuberance 19.
  • Fig. 7A shows a rear engagement surface 19b formed with a notch 19d on its lower half portion
  • Fig. 7B shows the rear engagement surface 19b with a notch 19d' formed on the upper half portion.
  • the interval between the through hole of the locking arm and the protuberance is eliminated. Consequently, the problem of backlash when connecting and locking the pair of connectors is solved. In turn, the problems of wear of the terminals, impairment of the conductive capability, and generation of unwanted noise are also solved. Further, in waterproof connectors wherein a waterproof gasket is placed between the pair of connectors, the impairment of the water-resistant property due to vibration can also be prevented.
  • the similar locking device as described in conjunction with Figs. 5 to 7B may be applied to a box 31 with cover 30.
  • the locking device similarly includes a locking arm 12' having a locking hole 13' and an associated protuberance 19' to be engaged with the locking hole 13'.

Landscapes

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

Claims (4)

  1. Verriegelungsvorrichtung zur Verriegelung eines Paares von lösbar miteinander verbindbaren Komponenten (F,M), insbesondere einem Paar von Verbindern, die zur Verbindung zweier Teile miteinander verwendet werden, wobei das Komponentenpaar aufweist:
    eine erste Komponente (F), die an ihrer Außenwand mit einem Vorsprung (19) versehen ist, der eine hintere Eingriffsfläche (19b) aufweist;
    eine zweite Komponente (M), die an ihrer Außenwand (11) mit einem Verriegelungskragarm (12) versehen ist, der eine in Richtung der hinteren Eingriffsfläche (19b) weisende Fläche (13a) zum Eingriff mit ersterer aufweist, wobei die Eingriffsfläche (19b) von der zweiten Komponente (M) wegweist; und
    eine Spiel-Vermeidungsvorrichtung zur Verhinderung des Entstehens jeglichen Spiels zwischen den in Eingriff miteinander stehenden ersten und zweiten Komponenten, die eine im wesentlichen bogenartige hintere Eingriffsfläche (19b) aufweist,
    dadurch gekennzeichnet, daß die hintere Eingriffsfläche (19b) so geformt ist, daß sie mit einer gekrümmten imaginären Fläche zusammenfällt, die der Bewegungsbahn der Unterkante der zu der hinteren Eingriffsfläche (19b) weisenden Fläche (13a) entspricht, wenn der Verriegelungskragarm (12) in ungehinderter Schwenkbewegung relativ zu der Außenwand (11) der zweiten Komponente bewegt wird, und zwar zumindest in einem Scheitelbereich (19c) des Vorsprunges (19) und an der Basis (Qo') der Eingriffsfläche (19b), die die Verriegelungsposition darstellt, und daß sich die Eingriffsfläche (19b) zwischen dem Scheitelbereich (19c) und der Basis (Qo') nicht über die gekrümmte imaginäre Fläche hinaus erstreckt.
  2. Verriegelungsvorrichtung nach Anspruch 1, bei der der Verriegelungsarm (12) eine Durchgangsöffnung (13) aufweist, die eine Wand aufweist, an der die zum Eingriff mit der hinteren Eingriffsfläche (19b) vorgesehene Fläche (13a) ausgebildet ist.
  3. Verriegelungsvorrichtung nach Anspruch 1, bei der die hintere Eingriffsfläche (19) entlang ihrer gesamten Länge mit der gekrümmten imaginären Fläche zusammenfällt.
  4. Verriegelungsvorrichtung nach Anspruch 1, bei der die hintere Eingriffsfläche (19b) zwischen dem Scheitel (19c) und der Basis (Qo') mit einem Ausschnitt versehen ist.
EP19900118593 1989-09-29 1990-09-27 Verriegelungsvorrichtung für Verbinder Expired - Lifetime EP0420255B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11346289 1989-09-29
JP113462/89U 1989-09-29

Publications (2)

Publication Number Publication Date
EP0420255A1 EP0420255A1 (de) 1991-04-03
EP0420255B1 true EP0420255B1 (de) 1996-05-01

Family

ID=14612853

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900118593 Expired - Lifetime EP0420255B1 (de) 1989-09-29 1990-09-27 Verriegelungsvorrichtung für Verbinder

Country Status (2)

Country Link
EP (1) EP0420255B1 (de)
DE (1) DE69026782T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2729567B2 (ja) * 1993-08-20 1998-03-18 矢崎総業株式会社 コネクタの締着機構
FR2709884B1 (fr) * 1993-09-10 1995-10-13 Cinch Connecteurs Sa Perfectionnements aux boîtiers de connecteurs électriques.
JPH08298151A (ja) * 1995-04-26 1996-11-12 Sumitomo Wiring Syst Ltd 筒体保持構造
CN111262066B (zh) 2017-06-23 2021-10-01 上海莫仕连接器有限公司 电源连接器
JP6701260B2 (ja) 2018-05-08 2020-05-27 矢崎総業株式会社 筐体、電気接続箱及びワイヤハーネス
JP6701261B2 (ja) 2018-05-08 2020-05-27 矢崎総業株式会社 筐体、電気接続箱及びワイヤハーネス
DE102022105676A1 (de) 2022-03-10 2023-09-14 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Gehäuse eines elektrischen Steckverbinders und elektrischer Steckverbinder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933406A (en) * 1974-01-04 1976-01-20 Ford Motor Company Electrical connector block assembly having overcenter locking
US4272145A (en) * 1979-10-22 1981-06-09 Ford Motor Company Connector lock release

Also Published As

Publication number Publication date
DE69026782T2 (de) 1996-09-05
EP0420255A1 (de) 1991-04-03
DE69026782D1 (de) 1996-06-05

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