EP1531525A1 - Kabelklemme mit vergrösserter Klemmfläche und damit ausgerüsteter Verbinderblock - Google Patents

Kabelklemme mit vergrösserter Klemmfläche und damit ausgerüsteter Verbinderblock Download PDF

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Publication number
EP1531525A1
EP1531525A1 EP04356170A EP04356170A EP1531525A1 EP 1531525 A1 EP1531525 A1 EP 1531525A1 EP 04356170 A EP04356170 A EP 04356170A EP 04356170 A EP04356170 A EP 04356170A EP 1531525 A1 EP1531525 A1 EP 1531525A1
Authority
EP
European Patent Office
Prior art keywords
stirrup
cable
branches
terminal block
inclined faces
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
EP04356170A
Other languages
English (en)
French (fr)
Other versions
EP1531525B1 (de
Inventor
Franck Da Silva
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.)
ABB France SAS
Original Assignee
ABB Entrelec SAS
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 ABB Entrelec SAS filed Critical ABB Entrelec SAS
Publication of EP1531525A1 publication Critical patent/EP1531525A1/de
Application granted granted Critical
Publication of EP1531525B1 publication Critical patent/EP1531525B1/de
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks

Definitions

  • the present invention relates to a cable clamp device to block an electrical cable relative to a support outside the device.
  • the support outside the device is in particular formed by a electrical terminal block which is intended to allow the connection end of an electrically conductive cable by the technique called screwed / screwed.
  • the present invention aims to overcome the disadvantages above by providing a cable clamp device in which the cable is better maintained in position, without increasing the number of component parts of the device.
  • the cable clamp device of the aforementioned type is essentially characterized in that the contact face of the stop is of concave shape whose concavity is turned towards the bottom of the stirrup.
  • the contact face of the stop conductor is intended to bear with the conductive cable in several points, and not only in one as in the state of the art.
  • the contact face comprises a central core substantially flat and two inclined faces that extend from the soul central and diverge mutually towards the bottom of the stirrup.
  • the stirrup is made of a strip of material flat of predetermined width.
  • the inclined faces are of width less than the width of the band of the stirrup.
  • the bottom of the stirrup comprises two openings respectively located at the base of the inclined faces and in which said inclined faces penetrate at least in part.
  • the projection of the openings on a plane perpendicular to the branches of the stirrup and in a direction substantially parallel to the branches is of a substantially rectangular shape, the length is less than the width of the stirrup band.
  • the electrically conductive stop is constituted by a connecting strip of an electrical terminal block.
  • the outer support is formed by a body insulating material constituting the electrical terminal block.
  • the present invention also relates to a terminal block electrical device comprising a body of insulating material in which are formed electrical connection openings, at least one cable tie device according to any one of the aforementioned features being implanted in at least one of the electrical connection openings.
  • FIG. 1 is a front view of a cable tie device according to a first embodiment of the present invention, a diameter cable given being immobilized.
  • FIG. 2 is a view similar to FIG. 1 of a second embodiment embodiment of the device according to the present invention, a diameter cable more important being immobilized.
  • FIG. 3 is a top view of the stirrup alone, the branches being cut.
  • FIG. 4 is a view similar to FIG. 2, a diameter cable reduced being immobilized in the cable clamp.
  • the cable clamp device 1 represented, according to a first embodiment of embodiment in Figure 1, is adapted to lock in position an electrical cable to establish an electrical connection with another conductive element.
  • This device is in particular intended to be implanted in a terminal block whose insulating body houses electrical connection elements such as than a link bar.
  • This bar has for example the function of putting at the same potential several electrically conductive elements.
  • Such a block junction is well known in the state of the art and is not here described in detail, nor represented.
  • the cable clamp device 1 comprises, in a manner known per se, a stirrup 2 in which is housed an electrically conductive stop 10.
  • This stop 10 takes for example the shape of a section of the link bar supra.
  • the stirrup 2 is formed of two branches 3 and 4 which extend substantially parallel to each other in an X-X direction, as well as a curved bottom 5 which connects the two branches 3, 4. At the opposite of the bottom 5, these two branches 3 and 4 respectively have free ends 5 and 6.
  • the stirrup 2 has a general shape of U. It is shaped in a strip of flat material whose width is predetermined. The branches 3 and 4 are longer than the width of the stirrup 2.
  • the electrically conductive stop 10 is located between the two branches 3 and 4 of the stirrup.
  • This stop 10 is of general shape parallelepiped and has a first face 11 turned towards the free ends 5 and 6 of the branches 3, 4, and an opposite second face 12 turned towards the curved bottom 5 of the stirrup 2.
  • the second face 12 is a face of electrical contact with the conductive cable 8 to establish an electrical connection with this cable when the stop is pressed against it, in the bottom 5 of stirrup.
  • the cable tie device 1 comprises habitual means of training (not shown) which make it possible to obtain the relative movement of the stirrup 2 relative to the stop 10 for either bring the bottom 5 towards the stop, and thus tighten the cable in the bottom, or on the contrary spread the bottom 5 of the abutment 10, that is to say cause the approaching the free ends 5, 6 of the branches 3, 4 toward the stop 10, and loosen the cable 8.
  • These means of training are for example means to nut which, by screwing the nut, cause the stirrup 2 to move in the direction of cable tightening.
  • the stirrup has a movement back and forth in translation in the direction parallel to the X-X axis, perpendicular to the defined plane by the first face 11 of the abutment 10.
  • the contact face 12 of the abutment 10 is of concave shape whose concavity is turned towards the bottom 5 of the caliper 2.
  • the cable 8 is brought to be in contact with this face 12 in several points, which ensures a better maintenance of this cable.
  • the contact face 12 takes the form of a chute having a central core 15 which is substantially flat and parallel to the first face 11, and two inclined faces 17 and 18 which extend from of this soul diverging towards the bottom 5 of the stirrup.
  • the cable 8 can thus during tightening, come to bear with one or both inclined faces and / or with the central core according to the diameter of this cable.
  • the inclined faces 17 and 18 are of width less than the width of the stirrup 2.
  • the cable 8 shown in Figure 1 is the cable of bigger diameter that can tighten the device 1 since the ends of the inclined faces 17 and 18 are in abutment against the bottom 5 of the yoke 2.
  • the cable of larger diameter that can be immobilized in the stirrup is the one that owns a diameter close to the value of the mutual spacing of the two branches 3 and 4 of this stirrup (such as the cable 24 shown in Figure 2).
  • the cable tie device 20 according to a second embodiment of embodiment shown in Figures 2 to 4 is used.
  • the cable clamp device 20 differs from the device 1 in that two openings 21 and 22 are formed in the bottom 5 of the stirrup 2 being respectively located at the base of the inclined faces 17 and 18 of the face of contact 12 of the stop 10.
  • the dimensions of the openings 21 and 22 are adapted so that the inclined faces 17 and 18 penetrate at least partly into these openings when the bottom 5 is close to the stop 10 ( Figure 4).
  • the projection of the openings 21 and 22 on a plane perpendicular to the branches 3, 4 (or parallel to the first face 11 of the stop), and in a direction substantially parallel to the axis X-X, is of shape substantially rectangular.
  • the length of this rectangle is less than the width of the stirrup 2, as is more particularly visible in FIG.
  • a cable 26 of reduced diameter is blocked in the bottom 5 of the stirrup ( Figure 4) and the ends of the inclined faces 17 and 18 pass through the openings 21 and 22 to project outside the stirrup 2.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Clamps And Clips (AREA)
  • Installation Of Indoor Wiring (AREA)
EP04356170A 2003-11-17 2004-10-22 Kabelklemme mit vergrösserter Klemmfläche und damit ausgerüsteter Verbinderblock Ceased EP1531525B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0313408A FR2862441B1 (fr) 2003-11-17 2003-11-17 Serre-cable a plage de serrage elargie et bloc de jonction muni d'un tel serre-cable
FR0313408 2003-11-17

Publications (2)

Publication Number Publication Date
EP1531525A1 true EP1531525A1 (de) 2005-05-18
EP1531525B1 EP1531525B1 (de) 2012-12-19

Family

ID=34429998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04356170A Ceased EP1531525B1 (de) 2003-11-17 2004-10-22 Kabelklemme mit vergrösserter Klemmfläche und damit ausgerüsteter Verbinderblock

Country Status (3)

Country Link
US (1) US7041904B2 (de)
EP (1) EP1531525B1 (de)
FR (1) FR2862441B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI280835B (en) * 2005-05-13 2007-05-01 Delta Electronics Inc Base assembly and wire-fixing element thereof
US20090189026A1 (en) * 2008-01-25 2009-07-30 Tek-Works, Inc. Cable support mechanism and method of using same
US20120012715A1 (en) * 2010-07-13 2012-01-19 Alcan Products Corporation Systems, methods, and apparatus for providing a metal clad cable clamp
US8932087B2 (en) * 2012-05-08 2015-01-13 Thomas & Betts International, Inc. Hot line stirrup connector
DE102016108621B4 (de) * 2016-05-10 2018-01-25 Lisa Dräxlmaier GmbH Steckverbindergehäuse und Steckverbinder
CN110417277B (zh) * 2018-04-27 2020-09-29 群光电能科技股份有限公司 滑扣式机壳装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2698492A1 (fr) * 1992-11-20 1994-05-27 Itw Fastex Italia Spa Bloc intégré à câble et plaque à bornes.
EP0653811A1 (de) * 1993-11-17 1995-05-17 Thomas & Betts Corporation Elektrischer Verbinder mit Zugentlastung
DE10146119C1 (de) * 2001-09-19 2002-12-19 Krone Gmbh Zugentlastung für einen Steckverbinder in der Kommunikations- und Datentechnik
US6641429B1 (en) * 2002-07-31 2003-11-04 Hon Hai Precision Ind. Co., Ltd. Electrical cable assembly

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2550001A (en) * 1948-12-10 1951-04-24 Charles A Morton Adjustable clamp
US2532427A (en) * 1949-01-04 1950-12-05 Arthur L Smith Electric junction box and the like and cable clamp for the same
US2938692A (en) * 1956-08-22 1960-05-31 Lockheed Aircraft Corp Cable clamp support
US2980378A (en) * 1959-11-23 1961-04-18 Bethea Barron Dead end cable clamp
US3617612A (en) * 1970-02-25 1971-11-02 Amp Inc Electrical junction means
US4037810A (en) * 1976-01-12 1977-07-26 Indian Head Inc. Pipe bracket and clamp
DE2616568C2 (de) * 1976-04-14 1984-01-05 Hilti AG, 9494 Schaan Rohr- oder Kabelschelle
US4405828A (en) * 1982-03-31 1983-09-20 Insulating Breaking Clamp, Inc. Breaking and insulating clamp for electrical conductors
US4516822A (en) * 1984-02-27 1985-05-14 Amp Incorporated Round cable adaptor for modular plug
US5004437A (en) * 1985-01-14 1991-04-02 Walter Electrical Manufacturing Company Electrical connector blocks
GB8612588D0 (en) * 1986-05-23 1986-07-02 Kinloch Electronics Ltd Cable clamp
US6011218A (en) * 1995-09-20 2000-01-04 Lucent Technologies, Inc. U-shaped universal grounding clamp
US5713766A (en) * 1996-03-21 1998-02-03 Axsys Technologies Depluggable barrier terminal strips
US6126122A (en) * 1997-11-06 2000-10-03 Sioux Chief Manufacturing Co., Inc. Double ratchet arm pipe clamp
GB0003173D0 (en) * 2000-02-12 2000-04-05 Smiths Industries Plc Clamps
US6657125B1 (en) * 2002-05-31 2003-12-02 Thomas & Betts International, Inc. Electrical housing assembly including serrations and arched clamp for retaining non-metallic sheathed cables

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2698492A1 (fr) * 1992-11-20 1994-05-27 Itw Fastex Italia Spa Bloc intégré à câble et plaque à bornes.
EP0653811A1 (de) * 1993-11-17 1995-05-17 Thomas & Betts Corporation Elektrischer Verbinder mit Zugentlastung
DE10146119C1 (de) * 2001-09-19 2002-12-19 Krone Gmbh Zugentlastung für einen Steckverbinder in der Kommunikations- und Datentechnik
US6641429B1 (en) * 2002-07-31 2003-11-04 Hon Hai Precision Ind. Co., Ltd. Electrical cable assembly

Also Published As

Publication number Publication date
EP1531525B1 (de) 2012-12-19
FR2862441A1 (fr) 2005-05-20
US7041904B2 (en) 2006-05-09
US20050155783A1 (en) 2005-07-21
FR2862441B1 (fr) 2006-04-14

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