EP0091080B1 - Dispositif d'atténuation de tensions - Google Patents

Dispositif d'atténuation de tensions Download PDF

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Publication number
EP0091080B1
EP0091080B1 EP83103134A EP83103134A EP0091080B1 EP 0091080 B1 EP0091080 B1 EP 0091080B1 EP 83103134 A EP83103134 A EP 83103134A EP 83103134 A EP83103134 A EP 83103134A EP 0091080 B1 EP0091080 B1 EP 0091080B1
Authority
EP
European Patent Office
Prior art keywords
locking
strain relief
clamp
relief device
cavity
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
Application number
EP83103134A
Other languages
German (de)
English (en)
Other versions
EP0091080A3 (en
EP0091080A2 (fr
Inventor
Walter Melnychenko
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of EP0091080A2 publication Critical patent/EP0091080A2/fr
Publication of EP0091080A3 publication Critical patent/EP0091080A3/de
Application granted granted Critical
Publication of EP0091080B1 publication Critical patent/EP0091080B1/fr
Expired 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
    • 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
    • H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
    • 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
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/7017—Snap means
    • 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
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/707—Soldering or welding
    • 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable

Definitions

  • the invention relates to a strain relief device for connected to circuit cards, connection plates, plug-in units and the like, e.g. soldered conductor tracks, which consists of two clamping pieces that can be locked together by means of elastic locking elements, between which the conductor tracks are clamped.
  • Strain relief devices are always required if a plug, a plug-in unit or similar cable strands, conductor tracks etc. are attached to which a certain tensile force is exerted, which in no way affects the line connection, e.g. the solder joint may be transferred. This is particularly true if, due to their small dimensions and difficult accessibility, plug connections can only be detached by pulling on the cable, or at least it can be expected that the plug will be detached in this way.
  • Strain relief devices are known in large numbers.
  • IBM Technical Disclosure Bulletin, Vol. 10, No. 10, March 1968, pages 1519/20 shows a strain relief arrangement for flat cables, in which the cable end forms a loop before it is passed under a terminal strip.
  • the loop is tightened and thus acts as a wedge to relieve the strain, so that the tensile forces are completely transmitted to the housing.
  • this relief principle is limited to flat cables.
  • the clamping force for the cable is generated by means of a screw and transmitted to the clamping bracket.
  • the assembly of the cables is therefore complex, and there is also no control that the clamping force is correctly dimensioned. If the clamping force is too low, there is a risk that the cable will slip, while if the clamping force is too strong, the insulation may be damaged.
  • the invention has for its object to provide a strain relief device which can be produced at low cost, which reliably secures cable bundles of different designs and can be handled easily without damage to the cables or the insulation occurring. This object has been achieved with the strain relief device according to claim 1.
  • a particular advantage of the strain relief device according to the invention can also be seen in the fact that the two clamping pieces are of identical design, which simplifies storage.
  • FIG. 1 shows a cable 10 with a number of conductor tracks 11, the ends of which are soldered to a number of contact connections with holes 12 in a circuit card 13.
  • the circuit lines 14 on the card are conductively connected, e.g. soldered, with spring contacts of a plug unit 15.
  • the strain relief device consists of an upper clamping piece 16 and a lower clamping piece 17.
  • the clamping pieces 16 and 17 are formed in one piece and identically and consist of a flexible, not too brittle and moisture-resistant material. A material made from an optimal combination of toughness, impact resistance, heat resistance and dimensional stability is preferred. Since the clamping pieces 16 and 17 are, as mentioned, identical, their shaped elements are designated by the same reference numerals.
  • Each clamping piece 16, 17 is provided on its outer surface 18 at one corner with a recess 19 and at the corner located diagonally thereto with a locking recess 20.
  • the hole 21 and the locking pin 24 as well as the locking recess 20 and the locking hook 25 are each located at opposite ends, so that when the upper clamping piece 16 and the lower clamping piece 17 interact, when these have turned towards one another (FIG.
  • the locking pins 24 also the holes 21 aligned and the locking hooks 25 are assigned to the locking recesses 20.
  • a recess 26 for receiving the conductor tracks 11 is also provided on the inner surface. 1 further shows that the locking pins 24 are forked and provided with lugs 27 at their ends.
  • Each locking hook 25 carries a V-shaped hook part 28.
  • the upper clamping piece 16 is placed with its inner side, ie the recess 26, on the free edge of the card 13. Between the clamping piece 16 and the conductor tracks 11, a resilient pressure piece 30 can be inserted. Then the locking pin 24 is inserted into the associated pin hole 29 of the card 13 and the clamping piece 16 is pressed against the card 13, so that the conductors get into the recess 26, the locking pin 24 and the locking hook 25 projecting beyond the thickness of the card 13 and the hole 21 in the recess 19 is aligned with the associated pin hole 29 of the card 13.
  • the lower clamp 17 is placed in the reverse orientation from below so that its inner surface 23 with the recess 26 faces the lower surface of the card 13 and its locking pin 24 is aligned with the pin hole 29 in the card 13 and the hole 21 in the upper clamp 16 is.
  • the two clamping pieces 16, 17 are pressed together and assume the position shown in FIG. 2.
  • the locking pin 24 of the lower clamping piece 17 now protrudes through the pin hole 29 of the card 13 and the hole 21 of the upper clamping piece 16, the lugs 27 acting on the upper surface of the recess 19 in a locking manner.
  • the two halves of the locking pin 24, which is designed as an expansion pin are pressed together and expand automatically as soon as the lugs 27 have passed through the hole 21.
  • the hook part 28 of the locking hook 25 and the lower clamping piece 27 comes into engagement with the locking projection 22 on the upper clamping piece 16, as shown in FIG. 2.
  • the locking hook 25 of the upper clamping piece 16 also engages in the locking projection 22 of the lower clamping piece 17.
  • the shape of the recess 26 in the inner surface of the upper clamping piece 16 causes a section of the conductor tracks 11 to be held on the card 13, and since the clamping pieces 16, 17 protrude with their inclined surfaces in the recesses 26 beyond the edge of the card 13 another section of the conductor tracks 11 clamped directly between the clamping pieces 16 and 17.
  • the connecting elements between the clamping pieces 16 and 17 are unlocked in the usual way.
  • the resilient pressure piece 30 is generally only used when only a few conductor tracks are to be fastened, as shown for example in FIG. 1. With a larger number of conductor tracks 11, as in the illustration according to FIG. 2, such a pressure piece is not necessary.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
  • Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (7)

1. Dispositif de décharge de traction pour des cartes à circuits imprimés, des plaquettes de raccordement, des unités enfichables et des voies conductrices analogues raccordées, (11) par exemple soudées, constitué par deux éléments de serrage (16, 17) pouvant être verrouillés entre eux au moyen d'organes de verrouillage élastiques et entre lesquels les voies conductrices (11) sont bloquées par serrage, caractérisé en ce que les deux éléments de serrage (16, 17) présentent des formes identiques et possèdent, sur leurs surfaces de serrage, qui se font face, un évidement (26) servant à recevoir les voies conductrices (11), le premier élément de serrage (16) étant appliqué sur une surface de la carte à circuits imprimés (13) et le second élément de serrage (17) étant appliqué sur la surface opposée de la carte à circuits imprimés (13) de telle sorte qu'ils sont alignés l'un par rapport à l'autre et se font face, par leurs surfaces de serrage, et peuvent être verrouillés entre eux en enserrant les voies conductrices (11) bloquées par serrage entre eux.
2. Dispositif de décharge de traction selon la revendication 1, caractérisé en ce que les éléments de serrage (16,17) comportent, sur leurs surfaces intérieures, qui correspondent aux surfaces de serrage, une broche de verrouillage (24) et un crochet de verrouillage (25) ainsi que, sur leurs surfaces extérieures, un évidement (19) muni d'un trou (21) et un évidement de verrouillage (20), la broche de verrouillage (24) et le crochet de verrouillage (25) d'un élément de serrage (16) coopérant avec l'évidement (19) muni du trou (21) ou avec l'évidement de verrouillage (20) de l'autre élément de serrage (17), et inversement.
3. Dispositif de décharge de traction selon la revendication 2, caractérisé en ce que la broche de verrouillage (24) et l'évidement (19) muni d'un trou (21) sont ménagés dans des angles opposés en diagonale et sur des surfaces opposées des organes de serrage (16, 17), et que les crochets de verrouillage (25) et les évidements de verrouillage (20) sont ménagés dans d'autres angles également opposés en diagonale et également sur des surfaces opposées.
4. Dispositif de décharge de traction selon la revendication 1, caractérisé en ce que la carte à circuits imprimés (13) comporte, dans ses angles, des trous respectifs (29) de réception des broches de verrouillage (24), auquel cas, pour réunir les éléments de serrage (16,17) on introduit la broche de verrouillage (24) du premier élément de serrage (16) sur un côté et la broche de verrouillage (24) du second élément de serrage (17) sur l'autre côté.
5. Dispositif de décharge de traction selon les revendications 2 à 4, caractérisé en ce que les broches de verrouillage (24) sont réalisées sous forme de broches écartables.
6. Dispositif de décharge de traction selon les revendications 2 et 3, caractérisé en ce que les crochets de verrouillage (25) sont réalisés sous la forme d'éléments élastiques comportant une partie formant crochet (28).
7. Dispositif de décharge de traction selon la revendication 4, caractérisé en ce qu'une partie des éléments de serrage (16,17) et de leurs évidements (26) fait saillie au-delà du bord de la carte à circuits imprimés (13) de telle sorte que les voies conductrices (11) sont fixées par serrage des deux côtés, directement par les éléments de serrage (16, 17).
EP83103134A 1982-04-05 1983-03-30 Dispositif d'atténuation de tensions Expired EP0091080B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US365414 1982-04-05
US06/365,414 US4448474A (en) 1982-04-05 1982-04-05 Strain relief device

Publications (3)

Publication Number Publication Date
EP0091080A2 EP0091080A2 (fr) 1983-10-12
EP0091080A3 EP0091080A3 (en) 1985-12-04
EP0091080B1 true EP0091080B1 (fr) 1987-10-28

Family

ID=23438821

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83103134A Expired EP0091080B1 (fr) 1982-04-05 1983-03-30 Dispositif d'atténuation de tensions

Country Status (5)

Country Link
US (1) US4448474A (fr)
EP (1) EP0091080B1 (fr)
JP (1) JPS58173896A (fr)
CA (1) CA1187148A (fr)
DE (1) DE3374251D1 (fr)

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US4682840A (en) * 1983-09-26 1987-07-28 Amp Incorporated Electrical connection and method of making same
US4602831A (en) * 1983-09-26 1986-07-29 Amp Incorporated Electrical connector and method of making same
US4639054A (en) * 1985-04-08 1987-01-27 Intelligent Storage Inc. Cable terminal connector
US4679868A (en) * 1985-08-27 1987-07-14 E. I. Du Pont De Nemours And Company Multiconductor electrical cable terminations and methods and apparatus for making same
US4718861A (en) * 1986-06-23 1988-01-12 Tektronix, Inc. Detachable cable strain relief clamp
JPH06132049A (ja) * 1992-04-02 1994-05-13 Orbital Engine Co Pty Ltd 多導線端子組立体
FR2701605B1 (fr) * 1993-02-10 1995-03-31 Interconnection Inf Connecteur mâle déconnectable pour réseau de communication.
US5315681A (en) * 1993-03-30 1994-05-24 The United States Of America As Represented By The Secretary Of The Army Detector card strain relief assembly
US5540597A (en) * 1993-12-15 1996-07-30 International Business Machines Corporation All flex PCMCIA-format cable
US5653609A (en) * 1995-07-28 1997-08-05 The Whitaker Corporation Strain relief for an electrical connector
JP3449865B2 (ja) * 1996-07-31 2003-09-22 矢崎総業株式会社 自動変速機用配線コネクタ
US5823808A (en) * 1996-08-20 1998-10-20 Chrysler Corporation Cam lever operated connector
US5934938A (en) * 1996-08-20 1999-08-10 Chrysler Corporation Split seal retainer for an electrical connector
US5980298A (en) * 1997-09-23 1999-11-09 National Instruments Corporation Strain relief for cable connector
US5961343A (en) * 1998-01-26 1999-10-05 International Business Machines Strain relief clamp for supporting flexible ribbon cables
US6464532B1 (en) * 2000-09-14 2002-10-15 Amp Deutschland Gmbh Connector for a flat foil conductor
US6354879B1 (en) 2000-10-05 2002-03-12 Ball Aerospace & Technologies Corp. Connector for shielded conductors
US6716589B2 (en) 2000-11-20 2004-04-06 Alphabeta Ab Discordant helix stabilization for prevention of amyloid formation
US6726503B2 (en) 2002-06-21 2004-04-27 Molex Incorporated Electrical connector with wire management module
TWI220586B (en) * 2003-12-10 2004-08-21 Benq Corp Auxiliary fastening device for assisting cable being fastened onto surface of electronic apparatus
US7140907B2 (en) * 2004-09-08 2006-11-28 National Instruments Corporation Strain-relieving device for card connected cables
US7563131B2 (en) * 2005-08-12 2009-07-21 Lastar, Inc. Integrated wall plate assembly and premise wiring system incorporating the same
JP2010010102A (ja) * 2008-06-30 2010-01-14 Fujitsu Component Ltd ケーブルコネクタ
US7887358B2 (en) * 2008-07-08 2011-02-15 Adtron Corporation Connector clamp
US8038464B2 (en) * 2009-07-29 2011-10-18 L-3 Communications Avionics Systems, Inc. Electrical connector with adaptable strain relief having clamping members of different shapes
KR101294430B1 (ko) * 2011-09-02 2013-08-07 주식회사 팬택 Ｕｓｂ 플러그 및 이를 이용한 ｕｓｂ 모뎀
JP5954155B2 (ja) * 2012-12-14 2016-07-20 日立金属株式会社 ケーブル接続装置およびケーブルアッセンブリならびにケーブルアッセンブリの製造方法
WO2015167904A1 (fr) * 2014-05-01 2015-11-05 Tyco Electronics Corporation Serre-câble
US10587074B2 (en) * 2017-09-29 2020-03-10 Appple Inc. Hybrid electrical connector
US10790608B2 (en) * 2018-11-13 2020-09-29 Mellanox Technologies, Ltd. Apparatuses for improved cable-to-board connections
JP2021158035A (ja) * 2020-03-27 2021-10-07 日本電産トーソク株式会社 リード線保持構造及び電動アクチュエータ

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US3614298A (en) * 1970-02-19 1971-10-19 John T Thompson Cable splice casing with conductive anchorage to cable sheath and shield
US3727170A (en) * 1971-04-20 1973-04-10 Gte Sylvania Inc Flat cable connector
US3737833A (en) * 1971-05-12 1973-06-05 Honeywell Inf Systems Ribbon cable connector system having feed thru connector
US3854787A (en) * 1972-12-07 1974-12-17 Amp Inc Integral housing and strain relief
US4139727A (en) * 1975-05-22 1979-02-13 Siemens Aktiengesellschaft Device for attaching flat strip cables to a printed circuit board
US4210380A (en) * 1978-11-08 1980-07-01 Western Electric Company, Inc. Cable connector housing having strain relief system
US4211466A (en) * 1978-11-21 1980-07-08 Amp Incorporated Crimped electrical connections for conductors on thin substrates
US4278314A (en) * 1979-10-31 1981-07-14 Amp Incorporated Connector assembly for flat cable conductors in multiple rows
US4295696A (en) * 1979-12-17 1981-10-20 Western Electric Company, Incorporated Strain relief for connector wires
US4323295A (en) * 1980-05-29 1982-04-06 Western Electric Company, Incorporated Two-piece strain relief and connectorized flat cable assembly formed therewith

Also Published As

Publication number Publication date
CA1187148A (fr) 1985-05-14
JPH0152868B2 (fr) 1989-11-10
DE3374251D1 (en) 1987-12-03
EP0091080A3 (en) 1985-12-04
JPS58173896A (ja) 1983-10-12
US4448474A (en) 1984-05-15
EP0091080A2 (fr) 1983-10-12

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