EP0093236B1 - Fiche pour appareil - Google Patents

Fiche pour appareil Download PDF

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Publication number
EP0093236B1
EP0093236B1 EP83101494A EP83101494A EP0093236B1 EP 0093236 B1 EP0093236 B1 EP 0093236B1 EP 83101494 A EP83101494 A EP 83101494A EP 83101494 A EP83101494 A EP 83101494A EP 0093236 B1 EP0093236 B1 EP 0093236B1
Authority
EP
European Patent Office
Prior art keywords
plug
locking piece
casing
carrier component
edge
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
EP83101494A
Other languages
German (de)
English (en)
Other versions
EP0093236A2 (fr
EP0093236A3 (en
Inventor
Werner Dipl.-Ing. Kewitz
Horst-Dieter Muhl
Sieghard Lepperhoff
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.)
Albert Ackermann GmbH and Co KG
Original Assignee
Albert Ackermann GmbH and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6162583&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0093236(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Albert Ackermann GmbH and Co KG filed Critical Albert Ackermann GmbH and Co KG
Priority to AT83101494T priority Critical patent/ATE32398T1/de
Publication of EP0093236A2 publication Critical patent/EP0093236A2/fr
Publication of EP0093236A3 publication Critical patent/EP0093236A3/de
Application granted granted Critical
Publication of EP0093236B1 publication Critical patent/EP0093236B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H01R13/741—Means for mounting coupling parts in openings of a panel using snap fastening means
    • H01R13/743—Means for mounting coupling parts in openings of a panel using snap fastening means integral with the housing
    • 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
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • 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
    • H01R13/627—Snap or like fastening

Definitions

  • the invention relates to a device plug for the electrical connection of a telecommunication cord to a communications device with a housing and a plug carrier element on which an outwardly projecting, resilient locking tab is formed, which enables a latching lock with the device.
  • locking tabs projecting from a side surface, in which the locking tab springs behind a locking edge, for example the housing wall of the device, with a projection.
  • the locking tabs can be designed (DE-B-24 32 122) that this locking is released by manual operation of the locking tab or so (DE-U-80 01 874) that the locking lock only with the help of a tool, for example a screwdriver , can be solved again.
  • a disadvantage of these known device plugs is that the security with which the device plugs are held in their locked position in the devices is relatively low, since the locking tabs which protrude freely on one side and which are usually made of the same plastic material as the device plug and are made in one piece therewith, can be moved from their locked position with relatively low forces. The consequence of this is that the locking of the device connector easily loosens or releases when shaken.
  • the invention has for its object to design a device connector so that a relatively large holding security is achieved in the locking position with simple means.
  • the invention is that the locking tab is designed as a spring tongue fixedly connected to the plug carrier element, which runs at a distance from the outer surface of the plug carrier element, is supported with its free end on a counter bearing and engages under an edge that at one on the Plug carrier element mounted part is provided opposite the counter bearing.
  • the locking tab is held at both ends and cannot be moved by hand when the plug is inserted, as is the case with known locking tabs.
  • the plug is then clamped and reliably held over the locking tab in the device into which it is inserted, so that there is a plug connection which does not unintentionally come loose.
  • the free end of the locking tab is held under prestress on the edge designed as a stop edge.
  • the free end lies in the direction of the outer surface on the counter bearing, so that the unlocking is determined by the force that is required to bend the locking tab.
  • the free end of the locking tab cannot swing freely. The unlocking force also increases.
  • the part placed on the plug carrier element consists of a two-shell plug housing provided with the stop edge, from which the plug carrier element projects forward with a contact area.
  • the locking tab initially protrudes from the plug carrier element and is pressed and pretensioned by the fastening in a housing of housing parts at the free end in the direction of the outer surface from which it projects.
  • a recess for the locking tab is formed in the plug housing, from which the locking tab protrudes with a surface that rises away from the contact area and forms a latching bump that ends approximately half the length of the locking tab.
  • the rising surface makes it easier to insert it, the locking tab then being bent when the device plug is inserted and springing back into its pretensioned starting position after insertion. A vibration-free hold is thereby achieved in particular because of the relatively large bending stress.
  • the plug housing has a step-like extension at least on the side assigned to the locking tab while leaving a distance from the latching hump corresponding to a wall thickness in the region of the insertion opening of the communications technology device, by means of which the insertion depth of the device plug is limited.
  • the distance between the locking hump and the extended area of the housing is selected so that it corresponds to a wall thickness of the device in the area of an insertion opening, the device connector locks in such a way that it does not yield under pressure or under tension and is firmly seated in the insertion opening .
  • the cutout for the locking tab extends into the extended housing area and if the locking tab runs in the direction of the cord-side end of the device plug and beyond the end edge of the cutout forming the stop edge and is prestressed by it.
  • an opening is created in the area outside the device in the inserted position of the device plug, through which the locking tab, for example, with a Screwdriver or the like is accessible so that the locking lock can be released again.
  • the free end can be easily determined in the sense that it is not flexible with respect to the outer surface plane of the plug carrier element, but instead is firmly clamped in the connector housing.
  • the device plug is rectangular in cross section and has the locking tab on one end face and if the connector housing is provided on the other end face with a corresponding extension as on the locking tab side.
  • a two-sided stop is formed when the device plug is inserted, and moreover the larger areas of the plug carrier element for receiving contact tracks or the like remain. free.
  • a plug carrier element is generally designated 1, which is part of a connector 4, as will be explained in FIGS. 2 to 5.
  • the plug carrier element 1 is made of plastic material and, as can also be seen from the other figures, has a rectangular cross section, contact strips 10 being arranged on both sides on the larger side surfaces, which enable contacts in a telecommunications device when the plug carrier element 1 is connected its contact area 9 is inserted into a corresponding socket, which is not shown in detail, of such a device.
  • a locking tab 2 which is made in one piece with the plug carrier element 1, protrudes from an end-side outer surface 20 at an acute angle a to the outer surface plane A-A, which has a latching protrusion 8 which enables the latching or locking in a manner described below.
  • the plug carrier element 1 is accommodated in a housing 3, which is formed from the two half-shells 3a and 3b.
  • the contact area 9 protrudes forward from this housing 3.
  • a telecommunications cord 5 is received in the housing at the cord-side end via a cord grommet 6 in a manner known per se.
  • the housing 3 for the locking tab 2 has a recess 13 on one end face, over which the locking tab 2 protrudes with a surface 7 rising towards the cord-side end, the surface below Formation of the cusp 8 ends about half the length of the locking tab.
  • the housing walls 3c lying to the side of the locking tab 2 end approximately at the level of the line K shown in dashed lines in FIG. 2 and merge into an expanded housing area to form a step-like extension 11.
  • the recess 13 is also continued in the expanded area of the housing with a section 13a (cf. FIG. 3) and is delimited by the stop edge 12.
  • the length of the locking tab 2 is dimensioned such that it extends with its free end 2a, on which it has a block-like shoulder 15, towards the cord-side end of the housing under this stop edge 12.
  • the locking tab 2 is pressed by this stop edge 12 towards the outer surface 20 and held in a position in which it runs approximately parallel and at a distance a from this outer surface 20.
  • the block-like shoulder 15 is seated on a counter bearing 16 formed on the housing, so that the free end is firmly clamped over the shoulder 15.
  • the two half-shells of the housing are connected to one another via hollow rivets 14.
  • the locking tab 2 When the device plug 4 is inserted into a housing opening (cf. FIG. 4), the locking tab 2 is gradually bent through the wall 18 in which the plug-in opening for the device plug is formed.
  • the distance between the step-like extension 11a and the locking surface 8 delimiting the rising surface 7 is dimensioned such that it corresponds to a wall thickness b, so that the locking tab 2 then springs out and returns to its original position when the stop 1 la and also at push the stop 11b on the opposite side against the outside of the housing to limit the insertion depth. This ensures a vibration-free hold, with locking forces being large, so that a reliable hold of the plug is ensured.
  • the area 13a of the recess 13 which extends into the enlarged housing part lies in the locked position of the device plug outside the housing wall 15, so that there is the possibility of using a tool, for example a screwdriver 17, through this section 13a onto the tab 2 by pressure act so that it bends and the connector can be unlocked, as shown in Fig. 5. It can also be seen from FIG. 5 that the rear edge 12 the recess runs chamfered, so that the insertion of a tool is easily possible and the unlocking can be brought about easily.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Processing Of Terminals (AREA)

Claims (8)

1. Fiche pour appareil destinée au branchement électrique d'un cordon de télécommunication sur un appareil de transmission d'informations, comportant un boîtier (3) et un élément de support de fiche (1) sur lequel est réalisée une patte de verrouillage (2) en saillie vers l'extérieur, élastique, qui permet un verrouillage par encliquetage sur l'appareil, caractérisée en ce que la patte de verrouillage (2) est réalisée sous la forme d'une languette élastique reliée solidairement d'un côté à l'élément de support de fiche (1), patte qui se trouve à une distance (a) de la surface extérieure (20) de l'élément de support de fiche (1), et s'appuie par son extrémité libre (2a) sur un contre-appui (16) et vient prendre sous une arête (12) qui est prévue sur une partie (3) rapportée sur l'élément de support de fiche (1), en regard du contre-appui (16).
2. Fiche pour appareil selon la revendication 1, caractérisée en ce que l'arête est en forme d'arête de butée (12) et l'extrémité libre (2a) de la languette élastique est maintenue sous précontrainte sous cette arête.
3. Fiche pour appareil selon les revendications 1 ou 2, caractérisée en ce que la partie rapportée sur l'élément de support de fiche (1) se compose d'un boîtier de fiche (3, 3a, 3b) en deux coquilles muni d'une arête de butée (12), dont déborde vers l'avant l'élément de support de fiche muni d'une zone de contact (9).
4. Fiche pour appareil selon l'une des revendications 1 à 3, caractérisée par une cavité (13) réalisée dans le boîtier (3) de la fiche pour la patte de blocage (2), cavité dont la patte de blocage (2) est en saillie par une surface montante (7) qui s'écarte de la zone de contact (9), cette surface formant bec d'accrochage (8) qui se termine sensiblement à mi longueur de la patte de blocage (2).
5. Fiche pour appareil selon l'une des revendications 1 a 4, caractérisée én ce que le boîtier (3) de la fiche présente une extension de boîtier (11a) en forme de gradin au moins du côté associé, à la patte de blocage (2), en laissant une distance (b) par rapport au bec d'accrochage (8), au niveau de l'ouverture d'enfichage de l'appareil de traitement d'informations, distance qui correspond à l'épaisseur de la paroi au niveau de l'ouverture d'enfichage, écartement qui limite la profondeur d'enfichage de la fiche (4).
6. Fiche pour appareil selon l'une des revendications 1 à 5, caractérisée en ce que la cavité (13) pour la patte de blocage (2) se prolonge jusque dans la zone de boîtier élargie (13a) et en ce que la patte de blocage (2) s'étend en direction de l'extrémité de la fiche (4) correspondant au cordon jusque derrière l'arête d'extrémité de la cavité (13) qui forme l'arête de butée (12) et est précontrainte par celle-ci.
7. Fiche pour appareil selon l'une des revendications 1 à 6, caractériséé par un épaulement en forme de bloc (15) réalisé à l'extrémité libre (2a) de la patte de blocage (2), épaulement qui s'appuie dans le boîtier (3) de la fiche sur une butée (16) formant le contre-appui.
8. Fiche pour appareil selon l'une des revendications 1 à 7, caractérisée en ce que la section de la fiche (4) est rectangulaire et à sa face frontale, la fiche comporte la patte de blocage (2), l'autre face frontale du boîtier (3) de la fiche ayant une extention (11b) correspondant à celle du côté de la patte de blocage.
EP83101494A 1982-05-03 1983-02-17 Fiche pour appareil Expired EP0093236B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83101494T ATE32398T1 (de) 1982-05-03 1983-02-17 Geraetestecker.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3216494 1982-05-03
DE19823216494 DE3216494A1 (de) 1982-05-03 1982-05-03 Geraetestecker

Publications (3)

Publication Number Publication Date
EP0093236A2 EP0093236A2 (fr) 1983-11-09
EP0093236A3 EP0093236A3 (en) 1986-08-13
EP0093236B1 true EP0093236B1 (fr) 1988-02-03

Family

ID=6162583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83101494A Expired EP0093236B1 (fr) 1982-05-03 1983-02-17 Fiche pour appareil

Country Status (3)

Country Link
EP (1) EP0093236B1 (fr)
AT (1) ATE32398T1 (fr)
DE (2) DE3216494A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES282139Y (es) * 1984-10-19 1985-12-16 I.T.W. Espana, S.A. Conector retenedor de cable
US5057030A (en) * 1990-07-02 1991-10-15 Itt Corporation Grommet/seal member for a connector assembly
DE4202234C1 (en) * 1992-01-28 1992-11-05 Paul 4284 Heiden De Ossege Plug for telecommunications appts. - has V=shaped flexible latching element on top side of tip section allowing secure engagement of plug in socket

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889125A (en) * 1955-01-31 1959-06-02 Hart Mfg Co Fastener for retaining casings in panels
US3358262A (en) * 1965-10-14 1967-12-12 Amp Inc Co-ax patch panel and insulative housing members therefor
DE1640411A1 (de) * 1967-10-31 1970-05-27 Harting Elektro W Steckverbinder zur Befestigung in Montagewandausschnitten
US3639950A (en) * 1968-09-13 1972-02-08 Itt Latching device
US3860316A (en) * 1973-07-06 1975-01-14 Western Electric Co Electrical connecting devices for terminating cords and methods of assembling the devices to cords
DE8001874U1 (de) * 1980-01-25 1981-04-30 Albert Ackermann GmbH & Co, 5270 Gummersbach Stecker für elektrische Kabel

Also Published As

Publication number Publication date
EP0093236A2 (fr) 1983-11-09
DE3375625D1 (en) 1988-03-10
ATE32398T1 (de) 1988-02-15
DE3216494A1 (de) 1983-11-03
EP0093236A3 (en) 1986-08-13

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