EP1359643A1 - Gehäuse für einen elektrischen Apparat mit Kabeleingang, Stecker und Büchse mit einem solchen Gehäuse - Google Patents

Gehäuse für einen elektrischen Apparat mit Kabeleingang, Stecker und Büchse mit einem solchen Gehäuse Download PDF

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Publication number
EP1359643A1
EP1359643A1 EP03291053A EP03291053A EP1359643A1 EP 1359643 A1 EP1359643 A1 EP 1359643A1 EP 03291053 A EP03291053 A EP 03291053A EP 03291053 A EP03291053 A EP 03291053A EP 1359643 A1 EP1359643 A1 EP 1359643A1
Authority
EP
European Patent Office
Prior art keywords
envelope
sleeve
shell
skin
flexible material
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.)
Granted
Application number
EP03291053A
Other languages
English (en)
French (fr)
Other versions
EP1359643B1 (de
Inventor
Thierry Pairigouas
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.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SA
Legrand SNC
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 Legrand SA, Legrand SNC filed Critical Legrand SA
Publication of EP1359643A1 publication Critical patent/EP1359643A1/de
Application granted granted Critical
Publication of EP1359643B1 publication Critical patent/EP1359643B1/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
    • H01R13/58—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
    • H01R13/5837—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 specially adapted for accommodating various sized 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
    • 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
    • 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
    • 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
    • H01R13/5845—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 strain relief being achieved by molding parts around cable and connections
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • H01R24/30—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable with additional earth or shield contacts

Definitions

  • the present invention relates generally to envelopes electrical equipment, the power cable entries of which have a certain "tightness" level for a range of cable diameters.
  • This invention finds a particularly advantageous application for the production of enclosures for small electrical appliances and in particular power plugs.
  • the invention relates to an envelope comprising a sleeve forming an inlet for power cables, this sleeve having an internal face provided with at least two lamellae spaced from each other according to the axis of said sleeve and extending inwardly thereof to apply against the external face of a cable engaged in said entry.
  • enclosures of electrical equipment including input sleeves can be cut to adapt to cable diameters desired.
  • cut-out sleeves can be made of rigid material.
  • the sleeve only follows the power cable in one way imperfect without satisfying the desired sealing criteria.
  • cut-out inlet sleeves are made of material flexible. In this case, cutting such a sleeve is all the less easy as the sleeve collapses under the weight of the cutting tool. This results in a cut imperfect sleeve, this cut being both unattractive and sometimes more important than necessary bringing a play around the engaged power cable in said sleeve and degrading the level of sealing.
  • the present invention provides a new enclosure of electrical equipment including the inlet cable sleeve is easily cut to adapt it to a given cable diameter while perfectly matching the cable engaged in said sleeve providing the desired degree of tightness.
  • said sleeve comprises a shell of relatively rigid material provided with at least two slits and a skin of flexible material which extends through said slots and which forms said two lamellae with different lengths so that they are each able to cooperate with a cable of different diameter.
  • the invention also relates to a socket and a plug socket outlet comprising a mechanism and an enclosure as mentioned above.
  • a plug 100 which includes a mechanism 102 comprising an insulating body housing electrical connection terminals, not visible in the figures, to which are connected electrical conductors from an electrical power cable.
  • the front face of the insulating body of the mechanism 102 includes a hole 102C for the introduction of a ground pin from a power outlet, not shown, in which the plug 100 is inserted.
  • the socket outlet 100 has an envelope 101 housing the mechanism 102.
  • This envelope 101 comprises a body 103 generally forming two hollow cylinders which extend, on the one hand, along an X axis, and, on the other hand, along a Y axis perpendicular to the X axis.
  • the body 103 consists of two parts 103A, 103B (two portions cylinder) assembled together using screws for example.
  • the part 103A includes a molded rigid plastic shell overmolded with flexible skin and the part 103B is a molded shell of rigid plastic.
  • the casing 101 also includes a sleeve 104 connected to a other end opening of the body 103, and forming an entry for cables Power.
  • This sleeve 104 of axis Y here comes from formation by molding with the body 103 of the envelope 101.
  • the sleeve 104 forming an inlet for power cables is one piece independent of the body of the envelope attached to said end opening of said body.
  • the sleeve 104 has an internal face provided with at least two spaced strips 112, 113 one from the other along the Y axis of said sleeve 104.
  • the sleeve 104 comprises, internally, a plurality of lamellae 112, 113, 114, 115 spaced apart others along the Y axis thereof.
  • These strips 112, 113, 114, 115 extend, in width, over approximately the half of the internal surface of the sleeve 104 and, in length, towards the inside of said sleeve sleeve generally in a radial direction relative to the Y axis for apply against the external face of a cable (not shown) engaged in said inlet of the casing 101 for connection to the terminals of electrical connection of the socket outlet mechanism 102.
  • the sleeve 104 comprises a shell 120 of relatively rigid material provided with at least two slots 122B and a skin 110 of flexible material which covers the external face 102'A of said shell 120 and which extends through said slots 122B for forming said strips 112, 113, 114, 115 with lengths different (see Figure 5) so that they are each able to cooperate with a cable of different diameter.
  • the shell 120 is produced by molding said material relatively rigid, of the thermoplastic type for example, and is overmolded with the material flexible constituting said skin 110.
  • This flexible material is for example a rubbery elastomer.
  • the shell 120 in rigid material comprises two parts 121, 122 assembled.
  • One of the two parts 121 is made in a single piece of material rigid and comes from formation with the part 103B of the body 103 of the envelope 101 made of rigid material (see Figure 3).
  • This part 121 of the shell 120 has the shape of a half-sleeve of generally conical shape of axis Y and comprises, on its internal face, ribs 121B, in the form of a half-arch, regularly spaced apart from one another others along the length of said sleeve 104.
  • This part 121 of the shell 120 made of rigid material comprises, on its external face, between two successive ribs 121B, a groove 121A which extends in an arc from one edge to the other of the part 121 of the shell 120.
  • the other part 122 of the shell 120 shown more particularly on Figure 4 is a frame having two longitudinal uprights 122C generally extending along the Y axis of said sleeve 104, which support a series of arches 122A regularly spaced along the length of said sleeve 104. Between two successive arches 122A, one of said slots 122B is defined.
  • the external face 102'A of this framework constituting the second part 122 of the shell 120 is alone covered with said skin 110 of flexible material.
  • This skin 110 also forms the flexible skin covering the shell of said part 103A of the body 103 of the envelope 101.
  • this part 103A comprises at the rear a handle 105 in flexible material coming from formation with said part 103A and making it possible to easily remove the plug 100 from the socket into which it was inserted.
  • the skin 110 which covers the framework, also forms, on the outside and at the inlet of the sleeve 104, an additional strip 111 delimiting the opening inlet 104A of said sleeve 104.
  • the lamellae 111, 112, 113, 114, 115 have cutouts 111A, 112A, 113A, 114A, 115A, in an arc, which are coaxial and of different sections.
  • the sections of said cutouts 111A, 112A, 113A, 114A, 115A each correspond to a different cable diameter. They are growing from the inlet opening 104A of the sleeve 104 to its through outlet in the body 103 of the casing 101 so that the cutouts 111A, 112A, 113A, 114A, 115A globally define a conical surface.
  • Each strip 111, 112, 113, 114, 115 is intended to be applied by its cut 111A, 112A, 113A, 114A, 115A in an arc against the face external of a cable so as to guarantee a good seal between the exterior and the inside of the body 103 of the casing 101 of the socket outlet 100.
  • the skin 110 made of flexible material comprises, on its external face, between two successive strips 111, 112, 113, 114, 115, a groove 110A marking the cutting location of said sleeve 104.
  • the skin 110 has, on its outer face, a marking of the inlet diameter of the sleeve 104.
  • the sleeve 104 forming an inlet for power cables can by cutting be adapted to five different cable diameters. To do this, an installer easily cuts the sleeve 104 by attacking it with one of the grooves 110A of the skin 110 made of flexible material, just below indication of the diameter chosen.
  • the cutting tool is guided in its cutting along a hoop 122A of the framework forming the second part 122 of the shell so that this tool does not does not slip and remains positioned in the corresponding groove 110A for make a precise cut of said sleeve 104 to a determined inlet diameter.
  • the installer By cutting out part of the sleeve 104, the installer thus releases the corresponding inner strip of said sleeve 104 which is applied against the cable of determined diameter introduced into the sleeve 104.
  • the sleeve 104 by each of its lamellae 111, 112, 113, 114, 115, perfectly fits the power cable engaged in this by providing the desired degree of tightness.
  • such a sleeve 104 is easily cut thanks to the association of the skin 110 and the framework forming the second part 122 of the shell 120 made of rigid material.
  • FIG. 6 there is shown an alternative embodiment of the sleeve 104 according to which the skin 110 of flexible material, which forms said lamellae 111, 112, 113, 114, 115, covers the internal face 122'B of the framework constituting the second part 122 of the shell 120, also extending through of said slots 122B.
  • the outer face of the skin 110 is located slightly withdrawal from the external face of the framework so as to form, on this external face, grooves 110A delimited by successive arches 122A apparent from the frame.
  • These grooves 110A are used for positioning the cutting tool.
  • the slats 111, 112, 113, 114, 115 are identical to those of the embodiment of the sleeve 104 shown in FIG. 5 and do not will not be described again.
  • the skin in flexible material which forms said lamellae extends through the slots of the shell (here of the framework), without covering neither its external face nor its internal face, to be united.
  • said strips provided on the internal face of the sleeve are inclined by relative to a radial direction of said sleeve to better apply against the power cable inserted through it.
  • the two parts of the shell made of material rigid are provided with said slots and are covered with the skin in flexible material so as to internally form lamellae extending towards the inside of the sleeve facing each other.
  • Said shell of said sleeve can be made in one piece by molding a plastic material with slits which extend over a part only from the hull or on both parts.
  • the skin of flexible material covers only the part of the shell provided with the slots.
  • the shell made in one piece has slots that extend around the periphery thereof, it is completely covered by said skin of flexible material to form, inside said sleeve, annular lamellae of different internal diameters so that each strips are applied against a cable of different diameter.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP20030291053 2002-05-03 2003-04-30 Gehäuse für einen elektrischen Apparat mit Kabeleingang, Stecker und Büchse mit einem solchen Gehäuse Expired - Lifetime EP1359643B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0205567A FR2839395B1 (fr) 2002-05-03 2002-05-03 Enveloppe d'appareillage electrique a entree de cables bi-matiere, prise de courant et fiche de prise de courant comprenant une telle enveloppe
FR0205567 2002-05-03

Publications (2)

Publication Number Publication Date
EP1359643A1 true EP1359643A1 (de) 2003-11-05
EP1359643B1 EP1359643B1 (de) 2008-08-20

Family

ID=28800129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030291053 Expired - Lifetime EP1359643B1 (de) 2002-05-03 2003-04-30 Gehäuse für einen elektrischen Apparat mit Kabeleingang, Stecker und Büchse mit einem solchen Gehäuse

Country Status (4)

Country Link
EP (1) EP1359643B1 (de)
DE (1) DE60323000D1 (de)
ES (1) ES2312732T3 (de)
FR (1) FR2839395B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110100708A1 (en) * 2008-06-24 2011-05-05 Justus Lamprecht Cable sleeve for a hand-held power tool
US9769551B2 (en) 2014-12-31 2017-09-19 Skullcandy, Inc. Method of connecting cable to headphone, and headphone formed using such methods
EP4125161A1 (de) * 2021-07-26 2023-02-01 Aptiv Technologies Limited Elektrischer verbinder mit verbesserter zugentlastung für elektrische drähte

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822286A (en) * 1988-05-12 1989-04-18 Amp Incorporated Hood having an integral strain relief for use with electrical connectors
EP0818852A1 (de) * 1996-07-12 1998-01-14 Sumitomo Wiring Systems, Ltd. Verbinder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822286A (en) * 1988-05-12 1989-04-18 Amp Incorporated Hood having an integral strain relief for use with electrical connectors
EP0818852A1 (de) * 1996-07-12 1998-01-14 Sumitomo Wiring Systems, Ltd. Verbinder

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110100708A1 (en) * 2008-06-24 2011-05-05 Justus Lamprecht Cable sleeve for a hand-held power tool
US8822845B2 (en) * 2008-06-24 2014-09-02 Robert Bosch Gmbh Cable sleeve for a hand-held power tool
US9769551B2 (en) 2014-12-31 2017-09-19 Skullcandy, Inc. Method of connecting cable to headphone, and headphone formed using such methods
EP4125161A1 (de) * 2021-07-26 2023-02-01 Aptiv Technologies Limited Elektrischer verbinder mit verbesserter zugentlastung für elektrische drähte
GB2609239A (en) * 2021-07-26 2023-02-01 Aptiv Tech Ltd Electrical connector with improved strain relief for electrical wires
CN115693271A (zh) * 2021-07-26 2023-02-03 Aptiv技术有限公司 具有改进的电线应变消除功能的电连接器

Also Published As

Publication number Publication date
ES2312732T3 (es) 2009-03-01
FR2839395B1 (fr) 2004-07-30
FR2839395A1 (fr) 2003-11-07
EP1359643B1 (de) 2008-08-20
DE60323000D1 (de) 2008-10-02

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