WO2019124181A1 - Connecteur - Google Patents

Connecteur Download PDF

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Publication number
WO2019124181A1
WO2019124181A1 PCT/JP2018/045613 JP2018045613W WO2019124181A1 WO 2019124181 A1 WO2019124181 A1 WO 2019124181A1 JP 2018045613 W JP2018045613 W JP 2018045613W WO 2019124181 A1 WO2019124181 A1 WO 2019124181A1
Authority
WO
WIPO (PCT)
Prior art keywords
spacer
hole
primary
terminal
molded body
Prior art date
Application number
PCT/JP2018/045613
Other languages
English (en)
Japanese (ja)
Inventor
誠人 亀村
Original Assignee
住友電装株式会社
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 住友電装株式会社 filed Critical 住友電装株式会社
Publication of WO2019124181A1 publication Critical patent/WO2019124181A1/fr

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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
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • 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
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces

Definitions

  • the technology disclosed herein relates to a connector.
  • a connector according to a technology disclosed in the present specification has a primary resin portion formed by primary molding, and a primary molded body in which a terminal accommodating portion for accommodating a terminal is provided in the primary resin portion; It has a secondary resin portion formed by subsequent molding, and includes a secondary molded body formed on the outer surface of the primary molded body, and a spacer, and the terminal in the primary resin portion is the terminal accommodating portion.
  • a locking hole into which the lance to be held is inserted is provided to penetrate, one end opening of the locking hole is provided to open to the inner wall of the terminal accommodating portion, and the other end opening of the locking hole is closed by the spacer It is done.
  • the terminal can be disposed in the terminal accommodating portion and the lance can be held in the retaining state by being inserted into the locking hole, a separate body for holding the terminal in the terminal accommodating portion There is no need to provide it in the
  • the locking hole is punched and formed to penetrate the primary resin portion, and in the secondary molding, the molten resin can be prevented from flowing into the locking hole by the spacer.
  • the primary resin portion is provided with a spacer accommodation hole in which the spacer is held and accommodated by press-fitting, and the locking hole communicates with the spacer accommodation hole.
  • the locking hole can be punched and formed to communicate with the spacer accommodation hole in the primary molding.
  • the spacer can be held in the secondary molding only by press-fitting the spacer into the spacer accommodation hole, the workability is good.
  • a plurality of the locking holes are provided, and the spacer accommodation hole is provided as one hole shared by the plurality of locking holes.
  • the techniques disclosed herein can eliminate the need for a separate housing for retaining the terminals in the connector.
  • FIG. 14 The perspective view which looked at the connector of an embodiment from the upper part Top view of connector Front view of connector AA sectional view of FIG. 3 A perspective view of the primary molded body as viewed from below Front view of primary molded body BB sectional view of FIG. 6 Bottom view of primary molding The perspective view which looked at the state which attached the spacer to the primary molded object from the downward direction Bottom view with the spacer fitted to the primary compact Cross-sectional view of a state in which the spacer is fitted to the primary molded body A perspective view of the secondary molded body as viewed from above Bottom view of secondary molded body Front view of secondary molded body CC sectional view of FIG. 14
  • Embodiment Embodiments are described by means of FIGS. 1 to 15.
  • the connector C of the present embodiment is a relay connector used by being attached to an electronic device E such as an ECU (Electronic Control Unit) as shown in FIG. Connector C for connecting with an external terminal of an external device (not shown).
  • the connector C includes a housing 1 as shown in FIG. 1 and a plurality of relay terminals 30 embedded in the housing 1 and exposed at both ends as shown in FIGS. 2 to 4.
  • the housing 1 is provided along a mounting portion 60 having a plate shape attachable to an outer wall of the electronic device E and the like, and disposed outside the electronic device E.
  • An external terminal accommodating portion 70, and an internal terminal accommodating portion 10 (an example of a terminal accommodating portion) which protrudes from the mounting portion 60 to the opposite side to the side where the external terminal accommodating portion 70 is provided and which is disposed inside the electronic device E are integrally configured.
  • the seal member 3 is fitted around the internal terminal housing portion 10 in the mounting portion 60, whereby water and the like are prevented from entering the inside of the electronic device E from the gap between the mounting portion 60 and the electronic device E. .
  • the upper side in FIG. 1 will be described as the upper side, and the direction in which the internal terminal accommodating portion 10 protrudes from the mounting portion 60 will be described as the front.
  • the connector C includes a primary molded body C1 formed by primary molding and a secondary molded body C2 formed by secondary molding using the primary molded body C1 as a core, and the housing 1 is shown in FIG.
  • the primary resin portion 1A formed by primary molding and the secondary resin portion 1B formed by secondary molding are formed.
  • a primary resin portion 1A extending in the front-rear direction is formed to extend in the front-rear direction, and a secondary resin portion 1B is formed covering the outer surface.
  • the external terminal accommodating portion 70 As shown in FIG. 2, it forms an oval shape long in the left and right as viewed from above, and one external terminal accommodating that extends vertically and opens only upward as shown in FIG. A hole 71 is provided.
  • the inner terminal receiving hole 12 is formed by the inner wall of the inner terminal receiving portion 10.
  • the plurality of relay terminals 30 are embedded between the external terminal accommodation holes 71 and the respective internal terminal accommodation holes 12 as shown in FIG. 4.
  • the relay terminal 30 is in the shape of an elongated rod having a rectangular cross section, and is bent in an L shape as shown in FIG.
  • the upper end of the relay terminal 30 projects upward in the external terminal accommodation hole 71, and the front end projects forward in the internal terminal accommodation hole 12.
  • the relay terminal 30 is internally fitted to the internal terminal 2 inserted into the internal terminal receiving hole 12 so as to be conductively connected.
  • the internal terminal accommodation hole 12 is connected to the square hole portion 12A and the front end of the square hole portion 12A and has a circular shape slightly larger in diameter than the square hole portion 12A.
  • a large circular hole 12C connected to the front end of the small circular hole 12B and having a circular shape with a diameter slightly larger than that of the small circular hole 12B.
  • the rectangular hole 12A and the small circular hole 12B are formed by the inner wall of the primary resin portion 1A
  • the large circular hole 12C is formed by the inner wall of the secondary resin 1B.
  • a locking hole 13A and a spacer receiving hole 13B are vertically formed to pass through.
  • a plurality of locking holes 13A are provided and arranged side by side.
  • the spacer accommodation hole 13B is provided as one hole shared by the plurality of locking holes 13A.
  • the locking hole 13A has a rectangular shape as viewed from below as shown in FIG. 8, and the upper end opening thereof is opened to the inner wall of the internal terminal accommodating portion 10 forming the square hole portion 12A as shown in FIG. , And communicate with the square hole 12A.
  • the locking hole 13A is formed so as to remain hollow in the state after secondary molding, and as shown in FIG. 4, the lance 2A protruding from the peripheral surface of the internal terminal 2 is inserted and disposed. ing.
  • the spacer accommodation hole 13B has an oblong shape whose longitudinal dimension is larger than that of the locking holes 13A when viewed from below, and which extends laterally from the locking holes 13A at both ends. , And open at the lower surface of the primary resin portion 1A.
  • the spacer 20 is fitted into the spacer accommodation hole 13B as shown in FIG. 9, and as shown in FIG. 4, the lower end opening of the locking hole 13A is closed.
  • the spacer 20 has a shape corresponding to the spacer accommodation hole 13B, that is, as shown in FIG. 10, it has an oblong plate shape long in the left and right as viewed from below.
  • a closing rib 21 extending in the circumferential direction protrudes from the circumferential surface of the spacer 20 and is press-fit into the spacer accommodation hole 13B.
  • symbol 21 shown with the broken line in FIG. 11 (B) has shown the closing rib 21 before being crushed by the inner wall of the spacer accommodation hole 13B.
  • the spacer 20 is held without falling off from the spacer accommodation hole 13B in the state before the secondary molding, and the displacement of the molten resin due to the pressure is prevented during the secondary molding.
  • the lower surface of the spacer 20 is covered by the secondary resin portion 1B.
  • the mold used for the primary molding is provided with a slide extraction die for forming the rectangular hole 12A and the small circular hole 12B, and a lower extraction die for forming the locking hole 13A and the spacer accommodation hole 13B.
  • the slide-out mold is provided with a plurality of projections which are formed in the shape of a square tube in the vicinity of the projecting end to project backward, and the lower-side mold is provided with a plurality of projections projecting upward.
  • the projection of the slide extraction die is fitted from the front to the front end of the relay terminal 30, and the upper ends of the projections of the lower extraction die are tightly closed near the projection end of the projection of the slide extraction die. Place in face contact. Then, the molten resin is injected between each mold and solidified to form the primary resin portion 1A. Thereby, as shown in FIG. 5 to FIG. 8, the relay terminal 30 is embedded in the primary resin portion 1A, and the primary resin portion 1A and the square hole portion 12A and the small circular hole portion 12B of the internal terminal accommodation hole 12 A primary formed body C1 in which the locking hole 13A and the spacer accommodation hole 13B are formed is obtained.
  • the spacer 20 is attached to the primary molded body C1, and the state before secondary molding shown in FIGS. 9 to 11 is obtained.
  • the spacer 20 is inserted into the opening edge of the spacer accommodation hole 13B, and the pair of pressing portions 22 (see FIG. 9) recessed on the bottom surface of the spacer 20 is pressed by a tool or a finger of a worker or the like.
  • the closing rib 21 of the spacer 20 can be uniformly pressed into the spacer accommodation hole 13B.
  • bus bar 50 is press-fit into each of the plurality of press-fit holes 40 (see FIG. 12) formed in the secondary molded body C2 and opening forward. Thereby, the connector C shown in FIG. 1 is completed.
  • the internal terminals 2 are individually inserted into the internal terminal accommodating holes 12. Then, as shown in FIG. 4, when the lance 2A cut and raised from the circumferential surface of the internal terminal 2 reaches the locking hole 13A, it elastically returns and enters the locking hole 13A and the hole of the locking hole 13A It can be locked to the wall. As a result, the internal terminal 2 is held by the internal terminal accommodating portion 10.
  • the internal terminal accommodation hole 12 is opened forward, and the spacer accommodation hole 13B communicating with the locking hole 13A is covered by the secondary resin portion 1B. Therefore, the front end opening edge of the internal terminal accommodation hole 12 and the internal terminal By sealing the gap between the inner terminal housing hole 12 and the locking hole 13A, intrusion of water or the like from the front can be prevented.
  • a water blocking rubber or the like (not shown), it is possible to prevent water or the like from entering the external terminal accommodation hole 71 from the upper side.
  • the entire path from the inner terminal receiving hole 12 to the outer terminal receiving hole 71 can be collectively made a waterproof area isolated from the water or the like outside.
  • the connector C of the present embodiment has the primary resin portion 1A formed by primary molding, and the terminal accommodating portion (internal terminal accommodating portion 10) for accommodating the terminals (internal terminals 2) therein is the above-mentioned.
  • a secondary molded body C2 having a primary molded body C1 provided in the primary resin portion 1A and a secondary resin portion 1B formed by secondary molding, and molded on the outer surface of the primary molded body C1, and a spacer 20
  • a locking hole 13A through which a lance 2A for holding the terminal 2 in the terminal accommodating portion 10 is inserted is provided in the primary resin portion 1A, and one end opening of the locking hole 13A is An opening is provided on the inner wall of the terminal accommodating portion 10, and the other end opening of the locking hole 13A is closed by the spacer 20.
  • the terminal 2 can be arranged in the terminal accommodating portion 10 and the lance 2A can be held in the retaining hole by being inserted into the locking hole 13A, the terminal 2 can be held in the terminal accommodating portion 10 It is not necessary to provide a separate housing 1 for holding the inside.
  • the locking hole 13A is punched and formed to penetrate the primary resin portion 1A, and in the secondary molding, the molten resin can be prevented from flowing into the locking hole 13A by the spacer 20.
  • the primary resin portion 1A is provided with a spacer accommodation hole 13B in which the spacer 20 is held and accommodated by press-fitting, and the locking hole 13A communicates with the spacer accommodation hole 13B.
  • the locking hole 13A in the primary molding, the locking hole 13A can be punched and formed so as to communicate with the spacer accommodation hole 13B.
  • the spacer 20 since the spacer 20 can be held in the secondary molding only by press-fitting the spacer 20 into the spacer accommodation hole 13B, the workability is good.
  • the spacer accommodation hole 13B is provided as one hole shared by the plurality of locking holes 13A.
  • the spacer accommodation hole 13B is provided as one hole shared by the plurality of locking holes 13A, but the configuration of the spacer accommodation hole is not limited to this.
  • the spacer accommodation holes may be provided as a plurality of holes, each of which individually communicates with the plurality of locking holes.
  • the spacer accommodation hole 13B is provided in the primary resin portion 1A by primary molding, and the spacer 20 is pressed into the spacer accommodation hole 13B.
  • the spacer accommodation hole is necessarily provided in the primary resin portion
  • the spacer receiving hole may not be formed, and the spacer may not be pressed in after the hole is formed.
  • secondary molding may be performed to form a secondary resin portion so as to cover the spacer.
  • the spacer accommodation hole is formed by the secondary resin portion covering the spacer.
  • C connector C1: primary molded body C2: secondary molded body 1A: primary resin portion 1B: secondary resin portion 10: internal terminal housing portion (terminal housing portion) 12: internal terminal accommodation hole 13A: locking hole 13B: spacer accommodation hole 20: spacer 2: internal terminal (terminal) 2A: Lance

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Abstract

L'invention concerne un connecteur C comprenant : un corps moulé primaire C1 ayant une section de résine primaire 1A formée par moulage primaire, une section de logement de borne (section de logement de borne interne 10) qui loge une borne (borne interne 2) à l'intérieur de celle-ci étant disposée sur la section de résine primaire 1A ; un corps moulé secondaire C2 ayant une section de résine secondaire 1B formée par moulage secondaire, le corps moulé secondaire C2 étant formé sur la surface externe du corps moulé primaire C1 ; et un espaceur 20. Un trou de verrouillage 13A est prévu qui passe à travers la section de résine primaire 1A, une lance 2A qui maintient la borne 2 dans la section de logement de borne 10 entrant dans le trou de verrouillage 13A. Une ouverture d'extrémité du trou de verrouillage 13A est ménagée dans la paroi interne de la section de logement de borne 10, et l'autre ouverture d'extrémité du trou de verrouillage 13A est scellée par l'espaceur.
PCT/JP2018/045613 2017-12-19 2018-12-12 Connecteur WO2019124181A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017242563 2017-12-19
JP2017-242563 2017-12-19

Publications (1)

Publication Number Publication Date
WO2019124181A1 true WO2019124181A1 (fr) 2019-06-27

Family

ID=66994663

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/045613 WO2019124181A1 (fr) 2017-12-19 2018-12-12 Connecteur

Country Status (1)

Country Link
WO (1) WO2019124181A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2279507A (en) * 1993-06-16 1995-01-04 Jack Shen Electrical connector
JPH07226284A (ja) * 1994-02-08 1995-08-22 Sumitomo Wiring Syst Ltd コネクタ端子抜き治具
JPH113739A (ja) * 1997-06-12 1999-01-06 Yazaki Corp コネクタ用端子
US20040012972A1 (en) * 2002-07-17 2004-01-22 Wen-Chang Wu Do-it-yourself lamp structure
JP2013016388A (ja) * 2011-07-05 2013-01-24 Sumitomo Wiring Syst Ltd コネクタ及びその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2279507A (en) * 1993-06-16 1995-01-04 Jack Shen Electrical connector
JPH07226284A (ja) * 1994-02-08 1995-08-22 Sumitomo Wiring Syst Ltd コネクタ端子抜き治具
JPH113739A (ja) * 1997-06-12 1999-01-06 Yazaki Corp コネクタ用端子
US20040012972A1 (en) * 2002-07-17 2004-01-22 Wen-Chang Wu Do-it-yourself lamp structure
JP2013016388A (ja) * 2011-07-05 2013-01-24 Sumitomo Wiring Syst Ltd コネクタ及びその製造方法

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