EP0529463B1 - Dichtungen für einen elektrischen Steckverbinder - Google Patents

Dichtungen für einen elektrischen Steckverbinder Download PDF

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Publication number
EP0529463B1
EP0529463B1 EP92114010A EP92114010A EP0529463B1 EP 0529463 B1 EP0529463 B1 EP 0529463B1 EP 92114010 A EP92114010 A EP 92114010A EP 92114010 A EP92114010 A EP 92114010A EP 0529463 B1 EP0529463 B1 EP 0529463B1
Authority
EP
European Patent Office
Prior art keywords
seal
electrical connector
housing
rib
sealing
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
EP92114010A
Other languages
English (en)
French (fr)
Other versions
EP0529463A3 (en
EP0529463A2 (de
Inventor
David Martin Cravens
Keith Robert Denlinger
Richard Wayne Gryzbowski
John Mark Myer
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.)
Whitaker LLC
Original Assignee
Whitaker LLC
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 Whitaker LLC filed Critical Whitaker LLC
Publication of EP0529463A2 publication Critical patent/EP0529463A2/de
Publication of EP0529463A3 publication Critical patent/EP0529463A3/en
Application granted granted Critical
Publication of EP0529463B1 publication Critical patent/EP0529463B1/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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • 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
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
    • 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
    • H01R13/621—Bolt, set screw or screw clamp
    • H01R13/6215—Bolt, set screw or screw clamp using one or more bolts

Definitions

  • the present invention relates to seals for electrical connectors such as are used in automobiles, trucks and tractors.
  • this invention relates to an electrical connector according to the pre-characterizing portion of claim 1.
  • Seals for electrical connectors are well known in the art; e.g., from documents US-A-4,973,268 and US-A-4,998,896.
  • seals for an electrical connector wherein one seal includes grooves in a body portion which cooperates with ribs on an end cap to ensure proper assembly in addition to the sealing function.
  • a second seal includes a rim portion having an outwardly facing mating surface for compression sealing and an inwardly facing surface for compression sealing and an inwardly facing surface for peripheral sealing.
  • receptacle 10 includes terminal position assurance member 12, housing 14, socket terminals 18, rear seal 20 and rear face cap 22.
  • rear seal 20 includes a body portion 30 with front and rear surfaces 32,34 respectively and edge surface 36 therebetween.
  • Passages 40 extend through body portion 30 as does a centrally located large opening 42.
  • the surfaces defining passages 40 and opening 42 are provided with inwardly projecting annular sealing ridges 44.
  • Outwardly projecting sealing ridges 46 are provided on edge surface 36.
  • a set of four, longitudinally extending grooves 50 are provided in rear surface 34 of body portion 30. Grooves 50 are located between rows of passages 40 and on each side of opening 42.
  • ribs 52 are provided on the inside surface 54 of rear face cap 22. These ribs 52 are on the same spacing as are grooves 50 on surface 34 of seal 20.
  • Grooves 50 and ribs 52 provide an orientation feature which prevents rear seal 20 from being assembled incorrectly. Besides providing a physical indicator, the grooves 50 provide a visual indicator.
  • ribs 52 are slightly wider than grooves 50 so that upon assembly, the seal material of body portion 30 is compressed between the ribs 52 and side walls 56 of cap 22. Because of this compression, the thickness of body portion 30 is substantially less than what would otherwise be required for adequate sealing.
  • seal 102 includes body portion 104 and rim portion 106. Passages 108 in body portion provide access for pin terminals 110 ( Figure 6) and rectangular hole 112 provides access for a jackscrew 113 ( Figure 6).
  • Rim portion 106 includes an outwardly facing mating surface 114, a first inwardly facing surface 116 and a second inwardly facing surface 118.
  • Body portion 104 and rim portion 106 define space 120.
  • Seal 102 is preferably molded with a suitable material such as silicon rubber.
  • rim portion 106 provides peripheral and compression sealing in the same space as a compression-only seal would occupy and less space than a traditional peripheral seal. Further, the seal geometry requires less force to compress seal 102.
  • Figures 5 and 6 illustrate the use of seal 102 in pin header 122 for sealing the juncture with receptacle 10.
  • Seal 102 is positioned on the base or floor 124 of cavity 126 of header 122 with terminals 110 extending through passages 108 ( Figure 4).
  • edge 14b of housing 14 slides along first inwardly facing surface 116 and edge 14a of housing 14 engages mating surface 114.
  • the seal material beneath surface 114 is displaced such that the second inwardly facing surface 118 bulges out into space 120 (not shown).
  • Displacing the material requires less force to compress a compression-type seal and solves a problem that was discovered during the testing of connector 30 with a prior art seal, i.e., that in a high temperature environment, the seal material expanded and induced internal stresses in plastic components 10,122 with the result that shrinkage occurred and the components 10,122 drew apart, creating leaks pass the seal.
  • the displacement reduces the compression forces imposed on seal 102 and accordingly less internal stressing is induced into the receptacle 10 and header 122.
  • Peripheral sealing is obtained between side 14b of housing 14 and the first inwardly facing surface 116.
  • seals for an electrical connector has been disclosed.
  • One seal includes an orientation feature which, in cooperation with an end cap, prevents incorrect assembly.
  • Another seal provides a combination peripheral and compression sealing which reduces internal stresses which can occur in the plastic components and thereby insures continual sealing during elevated temperature exposures.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Claims (3)

  1. Elektrischer Verbinder (10) mit
    a) einem Gehäuse (14, 22) mit wenigstens einer an diesem vorgesehen Rippe (52);
    b) einem in dem Gehäuse (14, 22) positionierten Dichtungselement,
    c) wobei das Dichtungselement (30) wenigstens eine Nut (50) aufweist, die in einer Oberfläche (34) des Dichtungselements (30) ausgebildet ist,
    d) wobei die Rippe (52) derart dimensioniert ist, daß sie breiter ist als die Nut, so daß die Rippe (52) eine Kompression des Dichtungselements zwischen der Rippe (52) und dem Gehäuse (14, 22) hervorruft,
    dadurch gekennzeichnet,
       e) daß sich die wenigstens eine Nut (50) in Längsrichtung zwischen Reihen von Durchführungen (40) erstreckt, die in dem Dichtungselement (30) ausgebildet sind.
  2. Elektrischer Verbinder (10) nach Anspruch 1,
    dadurch gekennzeichnet,
    daß das Gehäuse (14, 22) eine Abdeckung (22) aufweist, wobei die wenigstens eine Rippe (52) auf einer Innenfläche (54) der Abdeckung (22) positioniert ist.
  3. Elektrischer Verbinder (10) nach Anspruch 1 oder 2,
    dadurch gekennzeichnet,
    daß die wenigstens eine Rippe (52) und die wenigstens eine Nut (50) ein Ausrichtungsmerkmal schaffen, das eine falsche Montage des Dichtungselements (30) verhindert.
EP92114010A 1991-08-28 1992-08-17 Dichtungen für einen elektrischen Steckverbinder Expired - Lifetime EP0529463B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75136691A 1991-08-28 1991-08-28
US751366 1996-11-18

Publications (3)

Publication Number Publication Date
EP0529463A2 EP0529463A2 (de) 1993-03-03
EP0529463A3 EP0529463A3 (en) 1993-05-12
EP0529463B1 true EP0529463B1 (de) 1997-01-15

Family

ID=25021670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92114010A Expired - Lifetime EP0529463B1 (de) 1991-08-28 1992-08-17 Dichtungen für einen elektrischen Steckverbinder

Country Status (3)

Country Link
EP (1) EP0529463B1 (de)
JP (2) JP2805037B2 (de)
DE (1) DE69216712T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08180928A (ja) * 1994-10-24 1996-07-12 Yazaki Corp 防水コネクタ
JP4163263B2 (ja) * 1995-04-06 2008-10-08 矢崎総業株式会社 防水コネクタ
US5871373A (en) 1996-02-23 1999-02-16 Labinal Components And Systems, Inc. Electrical connector
US6409541B1 (en) 2000-11-02 2002-06-25 Autonetworks Technologies, Ltd. Waterproof structure in cable insertion section, method of manufacturing the same, and die for waterproof molding
JP2015185318A (ja) * 2014-03-24 2015-10-22 住友電装株式会社 防水コネクタ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3268266D1 (en) * 1981-07-23 1986-02-13 Amp Inc Sealed electrical connector
US4776813A (en) * 1987-12-08 1988-10-11 Molex Incorporated Sealed connector assembly
JPH01146478U (de) * 1988-03-31 1989-10-09
US4973268A (en) * 1989-10-10 1990-11-27 Amp Incorporated Multi-contact electrical connector with secondary lock
JP2503949Y2 (ja) * 1990-06-29 1996-07-03 矢崎総業株式会社 防水コネクタ
US5145410A (en) * 1990-08-06 1992-09-08 Yazaki Corporation Waterproof connector

Also Published As

Publication number Publication date
JPH05205810A (ja) 1993-08-13
JPH10199614A (ja) 1998-07-31
EP0529463A3 (en) 1993-05-12
DE69216712D1 (de) 1997-02-27
JP3003028B2 (ja) 2000-01-24
DE69216712T2 (de) 1997-05-07
JP2805037B2 (ja) 1998-09-30
EP0529463A2 (de) 1993-03-03

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