EP0214059A2 - Structure de fixation de contacts pour un connecteur - Google Patents

Structure de fixation de contacts pour un connecteur Download PDF

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Publication number
EP0214059A2
EP0214059A2 EP86401919A EP86401919A EP0214059A2 EP 0214059 A2 EP0214059 A2 EP 0214059A2 EP 86401919 A EP86401919 A EP 86401919A EP 86401919 A EP86401919 A EP 86401919A EP 0214059 A2 EP0214059 A2 EP 0214059A2
Authority
EP
European Patent Office
Prior art keywords
contact
fixing plate
insulating housing
tail
contacts
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.)
Withdrawn
Application number
EP86401919A
Other languages
German (de)
English (en)
Other versions
EP0214059A3 (fr
Inventor
Matsuo Kato
Toshiaki Suzuki
Hiroshi Kozai
Morio Suzuki
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.)
DDK Ltd
Hitachi Ltd
Original Assignee
DDK Ltd
Hitachi Ltd
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 DDK Ltd, Hitachi Ltd filed Critical DDK Ltd
Publication of EP0214059A2 publication Critical patent/EP0214059A2/fr
Publication of EP0214059A3 publication Critical patent/EP0214059A3/fr
Withdrawn legal-status Critical Current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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4367—Insertion of locking piece from the rear
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB

Definitions

  • This invention relates to a contact fixing structure for an electrical connector, particularly a miniaturized multi-contact connector.
  • the male contact pins 1 are arranged with required intervals in plural rows shifted so as to locate each contact between contacts in adjacent rows, and the female contacts are arranged in similar rows for receiving the male contact pins as shown in Fig. 1.
  • contact tails 1b of the contact pins in the rows b extend between contact tails 1a of the contact pins in the rows a in order to accomplish the multi-contacts.
  • the contact tails extend perpendicularly to the rows of the contacts.
  • contact tails may extend in directions the same as those of the rows of the contacts.
  • diameters of male contact pins are often less than a few times a tenth of one mm and female contacts are also small corresponding thereto.
  • the contact is provided on its one side with a pawl 2 adapted to engage in an anchoring shoulder 3a formed in the insulating housing 3 so as to fix the male contact thereto as shown in Fig. 2 as in the prior art.
  • the contact is forced into an insert aperture of the insulating housing with an interference, thereby fixing the contact in the aperture.
  • the contact is very small and weak in mechanical strength as above described, it is likely to be bent to give rise to irregularity in intervals between the contacts, which makes difficult the practical use of such small contacts.
  • the contact fixing structure for an electrical connector including an insulating housing, a fixing plate and at least one contact having a contact element and a thin contact tail electrically connected to said contact element and extending substantially perpendicularly to said contact element
  • the contact fixing structure comprises a fixing plate fitting portion formed in said insulating housing for fitting said fixing plate therein, a contact insert aperture formed in said fixing plate fitting portion to fix said contact element inserted in said contact insert aperture by the fixing plate fitted in said fixing plate fitting portion of said insulating housing, and a contact tail extending groove formed in at least one of said insulating housing and said fixing plate and being somewhat larger than said contact tail for extending said contact tail of said contact out of said insulating housing when said contact element is inserted in said contact insert aperture and fixed therein by said fixing plate.
  • a plurality of contact insert apertures for a plurality of contacts are arranged in plural rows, each r ow being shifted to each other to locate each aperture between the aperture of the adjacent rows, and on a side of the contact fixing plate in opposition to a recess forming the fixing plate fitting portion there are provided contact tail horizontally extending grooves starting from locations corresponding to positions of the contact insert apertures of the insulating housing for horizontally extending contact tails of the contacts.
  • Both longitudinal side edges of the insulating housing formed by the recess forming the fixing plate fitting portion may be formed with contact tail horizontally extending grooves for horizontally extending the contact tails of the contacts.
  • both longitudinal side edges of the fixing plate may be formed with contact tail vertically extending grooves corresponding to the contact tail horizontally extending grooves of the insulating housing for vertically extending the contact tails of the contacts.
  • Figs. 3a-3c illustrate one embodiment of the invention, wherein a contact element (contact pin) 6a is formed with an enlarged diameter head 6a' to which a thin contact tail 6a is electrically connected substantially perpendicular to the contact element 6a to form a contact 6 as shown in Fig. 3a.
  • An insulating housing 4 is formed with a contact insert aperture 4c having a slightly enlarged aperture 4c' corresponding to the head 6a' of the contact element 6a.
  • the insulating housing 4 is further formed with a fitting recess 4b for receiving a fixing plate 5 for fixing the contact 6 and with a groove 4e through which the contact tail 6b extends as shown in Fig. 3b.
  • Figs. 4a-4d are exploded perspective views of one embodiment of the connector according to the invention, which is capable of extending contact tails in directions perpendicular to and in parallel with contact elements arranged in shifted plural rows.
  • This connector comprises an insulating housing 4, a contact fixing plate 5 and contacts 6 and 7. These members are assembled as shown in perspective views of Figs. 5a and 5b and sectional views of Fig. 6, in order to fix the contacts 6 and 7 to the insulating housing.
  • These members are constructed as follows.
  • the insulating housing 4 is formed with a contact fixing plate fitting recess 4b which includes at both ends press-fitting fixing grooves 4a.
  • a bottom of the recess 4b is formed with insert apertures 4c (4c') for male contact pins or contact elements 6a (6a') and 7a (7a') in four rows a, b, a' and b' shifted to each other so as to locate each insert aperture between the insert apertures in the adjacent rows.
  • both longitudinal side edges 4d of the insulating housing 4 formed by the recess 4b are formed with contact tail horizontally extending grooves 4e equally spaced corresponding to the insert apertures 4c, respectively, for horizontally extending the contact tails therein.
  • the contact fixing plate 5 has an outer configuration and a size so as to be press-fitted in the recess 4b of the insulating housing 4 and is provided at ends with fitting protrusions 5a adapted to be fitted in the fixing grooves 4a formed at both the ends of the recess 4b of the insulating housing 4. Moreover, both longitudinal side edges 5b of the contact fixing plate 5 are formed with contact tail vertically extending grooves 5c corresponding to the contact tail horizontally extending grooves 4e formed in the side edges 4d of the insulating housing 4.
  • first contact tail extending grooves 5d extending from locations corresponding to the insert apertures 4c in the rows a and b' to the contact tail vertically extending grooves 5c and the second contact tail extending grooves 5e longer than the grooves 5d and extending from locations corresponding to the insert apertures 4c in the rows b and a' to the contact tail vertically extending grooves 5c.
  • the contacts 6 and 7 include contact pins or contact elements 6a and 7a and contact tails 6b and 7b, respectively. These contacts 6 and 7 are bent according to configurations of contact tail extending passages different in length formed by the insert apertures 4c of the insulating housing 4 and the first and second contact tail extending grooves 5d and 5e and the contact tail vertically and horizontally extending grooves 5c and 4e of the contact fixing plate 5.
  • the contact pins 6a and 7a are inserted into the insert apertures 4c and their contact tails 6b and 7b are fitted in the contact tail horizontally extending grooves 4e as shown in Fig. 5a. Thereafter, while the contact tails 6b and 7b are arranged in the contact tail vertically extending grooves 5c, the contact fixing plate 5 is fitted and fixed into the fitting recess 4b of the insulating housing 4 to form a receptacle connector as shown in Figs. 5b and 6.
  • the contact pins 6a (6a') and 7a (7a') having shoulders are inserted into the insert apertures 4c (4c') having shoulders somewhat larger than diamet ers of the contact pins.
  • the contact fixing plate 5 is press-fitted in the fitting recess 4b to fix the contact pins 6a (6a') and 7a (7a') in position with the aid of the contact fixing plate 5 and the insulating housing 4 as explained by referring to Fig. 3.
  • contact pins and insert apertures are not required to make diameters of contact pins and insert apertures exactly coincident with each other, which would otherwise be required in case that the contact pins are press-fitted in fixing apertures of an insulating housing as in the prior art. Accordingly, even if contact pins or contact elements are thin and weak due to multi-contacts, the contact pins are securely fixed in position without irregularity in interval caused by bending of the contact pins in inserting them into insert apertures, thereby enabling the assembly of the connector to be simplified. On the other hand, the contact tails extend through the respective extending grooves 5e and 4e.
  • the contact tails may be located in the respective grooves 5e and 4e with some plays. Accordingly, the contact tails may be previously connected to connecting pieces 8 as shown in dotted lines in Fig. 5a so as to be able to insert the contact pins into the insert apertures 4c by one operation.
  • the connecting pieces 8 serve to maintain substantially constant the distances between the contact tails to make easy the insertion of the contact tails into the horizontally extending grooves 4e and hence the assembly of the connector.
  • the contact tails are arranged in the extending grooves 5e (5d) and 4e of the contact fixing plate 5 and the insulating housing 4, the insulation between the adjacent contact tails is maintained under better conditions.
  • contact tails 6b have been explained to extend straight out of the insulating housing 4 without using any bent extending passage in this embodiment, it is preferable to use bent passages because tensile forces act directly on connections between the contact tails 6b and the contact elements (sockets) when the contact tails are subjected to tensile forces, if the passages are straight.
  • Fig. 6 illustrates one example wherein the insulating housing 4 is provided with the contact tail horizontally extending grooves 4e, and the contact fixing plate 5 is provided with the contact tail vertically extending grooves 5c, thereby enabling the contact tails 6b and 7b to extend perpendicularly to and in parallel with the contact pins or contact elements in solid lines and dotted lines.
  • vertically extending grooves 5c of a contact fixing plate 5 are not needed as shown in Fig. 8a.
  • horizontally extending grooves 4e of an insulating housing 4 are not needed as shown in Fig. 8b.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP86401919A 1985-09-02 1986-09-01 Structure de fixation de contacts pour un connecteur Withdrawn EP0214059A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP133092/85U 1985-09-02
JP1985133092U JPH0316227Y2 (fr) 1985-09-02 1985-09-02

Publications (2)

Publication Number Publication Date
EP0214059A2 true EP0214059A2 (fr) 1987-03-11
EP0214059A3 EP0214059A3 (fr) 1988-04-20

Family

ID=15096659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86401919A Withdrawn EP0214059A3 (fr) 1985-09-02 1986-09-01 Structure de fixation de contacts pour un connecteur

Country Status (2)

Country Link
EP (1) EP0214059A3 (fr)
JP (1) JPH0316227Y2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103746211A (zh) * 2013-12-13 2014-04-23 四川永贵科技有限公司 用于在电连接器中固定接触件的支撑结构

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6616227B2 (ja) 2016-03-30 2019-12-04 三菱重工業株式会社 前妻構体及び車両

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553632A (en) * 1968-10-21 1971-01-05 Amp Inc Electrical connector
DE2049930A1 (de) * 1970-10-10 1972-04-13 Panduit Corp Miniatur-Vielfachstecker
JPS502073A (fr) * 1973-05-08 1975-01-10
JPS58109183U (ja) * 1982-01-20 1983-07-25 ミツミ電機株式会社 プラグコネクタ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103746211A (zh) * 2013-12-13 2014-04-23 四川永贵科技有限公司 用于在电连接器中固定接触件的支撑结构

Also Published As

Publication number Publication date
EP0214059A3 (fr) 1988-04-20
JPS6241680U (fr) 1987-03-12
JPH0316227Y2 (fr) 1991-04-08

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Inventor name: SUZUKI, TOSHIAKI

Inventor name: KATO, MATSUO

Inventor name: SUZUKI, MORIO

Inventor name: KOZAI, HIROSHI