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EP0683548B1 - Connecteur électrique avec dispositif d'atténuation de tension de câble - Google Patents

Connecteur électrique avec dispositif d'atténuation de tension de câble Download PDF

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Publication number
EP0683548B1
EP0683548B1 EP19940810290 EP94810290A EP0683548B1 EP 0683548 B1 EP0683548 B1 EP 0683548B1 EP 19940810290 EP19940810290 EP 19940810290 EP 94810290 A EP94810290 A EP 94810290A EP 0683548 B1 EP0683548 B1 EP 0683548B1
Authority
EP
European Patent Office
Prior art keywords
cable
strain relief
connector according
press
casing
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
EP19940810290
Other languages
German (de)
English (en)
Other versions
EP0683548A1 (fr
Inventor
Christian Dipl.-Ing. Hengel
Stephan Ing. Lecat
Rudolf Dipl.-Ing. Neidecker
Christian Ing. Tischmacher
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.)
Staeubli Electrical Connectors AG
Original Assignee
Multi Contact AG
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 Multi Contact AG filed Critical Multi Contact AG
Priority to DE59406565T priority Critical patent/DE59406565D1/de
Priority to EP19940810290 priority patent/EP0683548B1/fr
Priority to DE19949408972 priority patent/DE9408972U1/de
Priority to PCT/CH1995/000113 priority patent/WO1995032532A1/fr
Publication of EP0683548A1 publication Critical patent/EP0683548A1/fr
Application granted granted Critical
Publication of EP0683548B1 publication Critical patent/EP0683548B1/fr
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
    • H01R13/58—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
    • H01R13/5804—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 comprising a separate cable clamping part
    • H01R13/5812—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 comprising a separate cable clamping part the cable clamping being achieved by mounting the separate part on the housing of the coupling device
    • 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
    • H01R13/582—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 the cable being clamped between assembled parts of the housing
    • H01R13/5829—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 the cable being clamped between assembled parts of the housing the clamping part being flexibly or hingedly connected to the housing

Definitions

  • the present invention relates to the field of electrical connector. It affects an electric one Connector with cable strain relief according to the preamble of claim 1.
  • the task is for a connector of the type mentioned Art solved by the features of the characterizing part of claim 1.
  • the one inserted from the outside into the snap opening Press-in button of the cable strain relief according to the invention is easily visible from the outside, so that you can recognize yourself immediately leaves whether the cable strain relief is mounted, and if yes, whether it is properly installed.
  • the snapped Press-in button can only be removed by destruction. Specific Tools are not necessary for assembly. The assembly time is short.
  • a first preferred embodiment of the invention Connector is characterized by that the tab is formed on the housing, and that in the housing a recess is provided which the tab at Fully inserting the press button.
  • the tab is formed on the housing, and that in the housing a recess is provided which the tab at Fully inserting the press button.
  • a second preferred embodiment of the invention is characterized in that the press-in button a cylindrical neck and a truncated cone Head includes, the maximum diameter of the head being larger is than the diameter of the neck. This configuration ensures particularly easy assembly with a tight fit and high security against removal.
  • the Head several truncated cones arranged one behind the other Headboards can be set: Is the Cable diameter small, the press button with all of its Headboards used. For larger cable diameters the press button can be adjusted by using a or several head parts are removed (e.g. cut off) and the press-in button with the correspondingly shortened head into the Press-in opening is inserted (pressed in).
  • the connector is characterized in that in the the inner wall of the cable hole opposite the snap opening Counter pressure area additional means for oppression of the cable are provided with the press-in button inserted. This can further improve the strain relief. It has proven particularly useful as an additional oppressive agent to provide a paragraph in the counter pressure surface, which is arranged in front of or behind the snap-in opening.
  • the present invention can be used in many different ways Types of connectors are used.
  • four exemplary connectors 1 are to be made shown, which are arranged at the end of a cable 2.
  • the Connectors 1 of the sub-figures (a), (c) and (d) have one-piece, cylindrical housing 5, which to the cable 2nd goes into a conical approach 6 and one inside (invisible) cable hole (13 in Fig. 2, 3 and 5) for Includes and guides the cable 2.
  • the connector 1 of sub-figure (b) has one of two housing parts 5a, b composite housing.
  • a plug contact 3 which is not protected against contact is shown, while in the case of sub-figures (c) and (d) the actual contact is covered by a touch guard 4.
  • the connector 1 of the figure (d) also has on the cable side End of the housing 5 a kink protection 7. All in the Fig. 1 shown connector 1 contain an inventive Cable strain relief 23, which (in the assembled state) only by their edge contour in the cylindrical part of the housing 5 or 5b is recognizable and the rest of the embodiment from Fig. 2 corresponds.
  • the cable strain relief 23 comprises (FIG. 2 and 3) generally one across the cable bore 13 in the housing 5; 5a, b arranged snap-in opening 12 and one into the snap-in opening 12 snap-in push-in button 8.
  • the Press-in button 8 presses in when plugged in the cable hole 13 located cable 2. Particularly cheap for handling it is that the press button 8 firmly connected to the housing 5 by a tab 11 is, which is integrally formed on the housing 5.
  • the press button 8 is captively connected to the housing 5.
  • tab 11 and press button 8 in one piece be designed so that the latter is only a formed on the tab 11 formed button part 10.
  • a recess 14 which the tab 11 completely when the press-in button 8 is inserted records. The tab 11 is then not on the housing 5 and at the same time signals that the strain relief is correct is mounted.
  • the press-in button 8 by means of a tab 11 which is attached to the housing 5 from the outside.
  • the housing 5 can thereby perform overall with a smaller wall thickness. Indeed applies the tab 11 in the assembled state.
  • buttons 8 and, correspondingly, the corresponding snap-in openings can be trained in very different ways be.
  • Three embodiments of such buttons are shown in Fig. 4.
  • the press button 8 as shown in FIG. 4 (a) with a cylindrical neck 16 and a frustoconical head 15 equip.
  • the maximum diameter of the head 15 is there larger than the diameter of the neck 16.
  • housing 5 and press-in button 8 are made of a suitable plastic, can the head 15 completely through the (narrower) snap opening 12 are pressed so that the button then the Snap opening 12 only fills with the neck 16 and latches is. Pressing in (pressing in) can be facilitated through an additional slot 17 in the area of the head 15.
  • the actual one Head of the press-in button 8 a plurality of consecutively arranged frusto-conical head parts 15a, b.
  • This can the cable strain relief flexible to different cable diameters can be set: Is the cable diameter small, the press button 8 with all its head parts 15a, b used. Because the head is in the locked state completely in the cable hole, so larger Differences between the cable diameter and the diameter of the cable hole 13 be balanced.
  • the press-in button 8 can be adjusted in that one or more of the head parts 15a, b removed (e.g. cut off) be and the press button 8 with the corresponding shortened head inserted into the press-in opening 12 becomes.
  • the strain relief according to the invention takes place in that the press-in button 8 against the cable 2 in the cable bore 13 the one on the opposite side of the snap opening Back pressure surface 22 presses (Fig. 5).
  • the counter pressure area 22 can be part of the cylindrical cable bore 13 (Fig. 5 (a)). But it can also be designed as a flat surface. In both cases, the strain relief is due to the indentation of the head 15 or 18 in the cable (positive locking) and the friction between cable 2 and the counter pressure surface 22 (Frictional connection). To increase the holding force, you can 22 additional means of oppression in the counterpressure surface the cable 2 is provided with the press-in button 8 inserted be.
  • the additional clamping means for example include a groove 20 in the counter pressure surface 22, which is located directly opposite the snap opening 12 is and is preferably greater in width than the diameter the snap opening.
  • the (flexible) cable 2 can then partially when pressing the press button 8 into the Press in groove 20, the edge effect of groove 20 the holding force is increased.
  • the additional clamping means comprise a shoulder 21 in the counter pressure surface 22, which is arranged in front of or behind the latch opening 12 is.
  • the invention provides a connector with cable strain relief available which is particularly easy to assemble and is safe to use.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (10)

  1. Connecteur électrique avec moyen de décharge de traction de câble, ledit connecteur (1) comprenant un boítier (5 ; 5a,b), pourvu d'un passage de câble (13) pour recevoir un câble (2), et un moyen de décharge de traction de câble (23) disposé à l'intérieur du boítier, le moyen de décharge de traction de câble (23) prévu étant constitué d'un orifice d'encliquetage (12) ménagé dans le boítier (5 ; 5a,b) transversalement au passage de câble (13) et d'une partie insérable pouvant être enfoncée de l'extérieur dans l'orifice d'encliquetage (12) en s'y encliquetant, ladite partie insérable exerçant en position enfoncée une pression sur le câble (2) placé dans le passage de câble (13), caractérisé en ce que la partie insérable est conçue sous la forme d'un bouton insérable (8), et en ce que le bouton insérable (8) est relié au boítier (5 ; 5a,b) par une patte (11).
  2. Connecteur selon la revendication 1, caractérisé en ce que la patte (11) est surmoulée sur le boítier (5 ; 5a,b).
  3. Connecteur selon la revendication 2, caractérisé en ce qu'il est prévu, dans le boítier (5 ; 5a,b), un évidement (14) dans lequel la patte (11) est entièrement logée lorsque le bouton insérable (8) est enfoncé.
  4. Connecteur selon la revendication 1, caractérisé en ce que la patte (11) est rapportée sur le boítier (5 ; 5a,b).
  5. Connecteur selon l'une des revendications 1 à 4, caractérisé en ce que le bouton insérable (8) comprend un col cylindrique (16, 19) et une tête tronconique (15 ; 15a,b ; 18), le diamètre maximal de la tête (15 ; 15a,b ; 18) étant supérieur au diamètre du col (16, 19).
  6. Connecteur selon la revendication 5, caractérisé en ce que le bouton insérable (8) comporte une fente (17) dans la zone de la tête (15).
  7. Connecteur selon la revendication 5, caractérisé en ce que la tête comprend plusieurs parties de tête tronconiques (15a,b) disposées l'une derrière l'autre.
  8. Connecteur selon l'une des revendications 1 à 7, caractérisé en ce que des moyens supplémentaires pour bloquer le câble (2) lorsque le bouton insérable (8) est enfoncé sont prévus dans la contre-surface (22) située dans la paroi intérieure du passage de câble (13) en vis-à-vis de l'orifice de crantage (12).
  9. Connecteur selon la revendication 8, caractérisé en ce que les moyens supplémentaires de blocage comprennent une gorge (20) qui est ménagée dans la contre-surface (22) et qui se trouve juste en face de l'orifice d'encliquetage (12).
  10. Connecteur selon la revendication 8, caractérisé en ce que les moyens supplémentaires de blocage comprennent un décrochement (21) qui est ménagé dans la contre-surface (22) et qui se trouve avant ou après l'orifice d'encliquetage (12).
EP19940810290 1994-05-19 1994-05-19 Connecteur électrique avec dispositif d'atténuation de tension de câble Expired - Lifetime EP0683548B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE59406565T DE59406565D1 (de) 1994-05-19 1994-05-19 Elektrischer Steckverbinder mit Kabelzugentlastung
EP19940810290 EP0683548B1 (fr) 1994-05-19 1994-05-19 Connecteur électrique avec dispositif d'atténuation de tension de câble
DE19949408972 DE9408972U1 (de) 1994-05-19 1994-05-19 Elektrischer Steckverbinder mit Kabelzugentlastung
PCT/CH1995/000113 WO1995032532A1 (fr) 1994-05-19 1995-05-19 Connecteur electrique a fiche pourvu d'un dispositif de decharge de traction du cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19940810290 EP0683548B1 (fr) 1994-05-19 1994-05-19 Connecteur électrique avec dispositif d'atténuation de tension de câble

Publications (2)

Publication Number Publication Date
EP0683548A1 EP0683548A1 (fr) 1995-11-22
EP0683548B1 true EP0683548B1 (fr) 1998-07-29

Family

ID=8218255

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940810290 Expired - Lifetime EP0683548B1 (fr) 1994-05-19 1994-05-19 Connecteur électrique avec dispositif d'atténuation de tension de câble

Country Status (3)

Country Link
EP (1) EP0683548B1 (fr)
DE (2) DE9408972U1 (fr)
WO (1) WO1995032532A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB873304A (en) * 1958-10-28 1961-07-19 United Carr Fastener Corp Improvements in and relating to fastening devices
GB1325302A (en) * 1969-08-14 1973-08-01 Langdon P Snap-fastening members
US4160575A (en) * 1978-02-24 1979-07-10 Vari-Tronics Co. Telephone cord connector
GB8426749D0 (en) * 1984-10-23 1984-11-28 Ranton & Co Ltd Electrical accessory connections
US4875875A (en) * 1987-09-28 1989-10-24 Brintec Corporation Field terminable modular connector
FR2680050B1 (fr) * 1991-07-29 1995-06-23 Legrand Sa Serre-cable.
US5186649A (en) * 1992-04-30 1993-02-16 At&T Bell Laboratories Modular plug having enhanced cordage strain relief provisions

Also Published As

Publication number Publication date
DE9408972U1 (de) 1994-09-22
EP0683548A1 (fr) 1995-11-22
WO1995032532A1 (fr) 1995-11-30
DE59406565D1 (de) 1998-09-03

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