EP0086696B1 - Dispositif de raccordement à bornes protégées d'accès direct - Google Patents

Dispositif de raccordement à bornes protégées d'accès direct Download PDF

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Publication number
EP0086696B1
EP0086696B1 EP83400237A EP83400237A EP0086696B1 EP 0086696 B1 EP0086696 B1 EP 0086696B1 EP 83400237 A EP83400237 A EP 83400237A EP 83400237 A EP83400237 A EP 83400237A EP 0086696 B1 EP0086696 B1 EP 0086696B1
Authority
EP
European Patent Office
Prior art keywords
head
bolt
hole
wall
cover
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
EP83400237A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0086696A1 (fr
Inventor
Claude Jullien
Gérard Lerude
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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique SA
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 La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Publication of EP0086696A1 publication Critical patent/EP0086696A1/fr
Application granted granted Critical
Publication of EP0086696B1 publication Critical patent/EP0086696B1/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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/301—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing complete unscrewing of screw or nut

Definitions

  • the invention relates to an electrical connection device comprising on the one hand a support having a plurality of neighboring housings separated by partitions and / or limited by walls parallel to the screw axes of a plurality of connection terminals each having a conductor fixed internal provided with a tapped opening and a clamping screw provided with a stirrup remaining permanently under the head of the screw, and on the other hand a protective cover which hooks on the body and has opposite each screw head a coaxial cylindrical channel which is capable of guiding a screwing tool and which retains this screw in a waiting position where the threaded end is placed opposite the tapped hole.
  • Such devices are frequently used in terminal blocks or in devices such as contactors or relays, on the one hand to make the screws captive, and in order to offer the user a device which does not require, for its connection, a prior unscrewing and on the other hand to complete the insulation of the terminals which is partially carried out by partitions.
  • hood channels have a diameter smaller than that of the screw head, which on the one hand does not allow them to be placed inside by a simple mounting process, and which d 'on the other hand can bring at the time of assembly and if the screw is not perfectly coaxial, a misalignment of the threaded end relative to the threaded hole.
  • Document DE-A-2448 111 describes a device of the kind mentioned above.
  • the invention therefore proposes to provide a device, meeting the general constitution mentioned above, but in which measures will be taken to facilitate the mounting of the terminal screws and to avoid assembling significant misalignments between them. ci and the tapped holes of the fixed conductors.
  • this device is characterized in that the internal diameter 0 of the cylindrical channel is greater than the diameter d of the head of the screw, this channel being surrounded by a thin wall which is deformable transversely by cooperation between an external surface of this wall and a rib carried by a partition and / or respectively by a wall and in such a way that the head of the screw can be placed in a channel by gravity when the cover is not associated with the body, and can be pinched by this wall deformed when the cover is associated with the body.
  • a connection device is implemented in an apparatus 1 visible in Figure 2; this device can be a terminal block, a contactor, a relay or a box containing electrical components, the connection of which is made using connection terminals which must be protected against accidental contact with external parts or bodies.
  • the housing or body 2 of the device 1 has a plurality of aligned terminals such as 4, see FIG. 1, each comprising a flat conductor 5 provided with a tapped opening 6, a screw 7 having an end 8 of threaded portion 9, and a bracket 10 which is placed under the head 11 of the screw and which remains permanently in this position using means known per se.
  • a plurality of aligned terminals such as 4, see FIG. 1, each comprising a flat conductor 5 provided with a tapped opening 6, a screw 7 having an end 8 of threaded portion 9, and a bracket 10 which is placed under the head 11 of the screw and which remains permanently in this position using means known per se.
  • each terminal screw 7 of terminal 4 is held in a position visible in FIGS. 1 and 2, which is obtained by means of a cover or cover 3.
  • This cover 3 takes the general form of a V-shaped part having a substantially flat base 25, which is applied to a front face 26 of the housing 2 and which has two parallel wings 27, 28, see FIG. 6.
  • Each wing is divided into as many parallel tongues such as 29, 30, 31, 32, see Figures 2 and 4, which are placed in the inlet 33 of each housing, through which an external conductor to be connected will be introduced.
  • Each tab has two notches such 34, 35 to allow the passage of the outer conductor (s).
  • the internal surface 37 of the cover 3 which is parallel to the base 25 has a multiplicity of parallel tubular projections such as 36, see FIG. 3 each containing a cylindrical channel 38 surrounded by a thin deformable wall 39 and two internal ports 40 and external 40 '.
  • the cover has as many tubular projections and therefore as many channels as there are terminals, said projections being placed in the housings coaxially with the terminal screws when the cover is associated with the housing.
  • Each wall of the channel preferably has slots 41 parallel to the axis to increase the possibilities of natural transverse deformation of the wall 39.
  • Partitions 16, 17, 18, 19, 20 and / or walls 21, 22, 23, 24 each have on their internal faces a small rib such as 44, 45 or 46, 47 and / or respectively 48, 49 which is placed transversely to an axis such as XX ', see Figures 1 and 4.
  • the diameters 0 of the channels such as 38 are slightly greater than the diameters d of the screw heads which makes it possible to place these by gravity in the channels of the tubular projections 36, 36 ', 36 ", 36"', see FIG. 5, when the external face 51 of the cover 3 is placed flat on an appropriate support 50.
  • the assembly is carried out during the descent of a housing 2 whose face 26 is turned down, which causes the walls such as 39 to cooperate with the ribs mentioned above such as 46, 47 or 48 and causes their deformations.
  • the maintenance of the cover or its attachment to the housing can be operated by any known means and for example thanks to the cooperation between a rib such as 44 and a small flange such as 53 placed on the external surface 54 of the tubular projection 36, see FIG. 3.
  • the elastic retention of the head of the screw can be completed by the action that the bead 43 exerts under the head 11 of the screw 7.
  • the terminal is tightened using a screwdriver, introduced into the orifice 40 'of the channel 38 and guided by the latter.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP83400237A 1982-02-12 1983-02-04 Dispositif de raccordement à bornes protégées d'accès direct Expired EP0086696B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8202354A FR2521789A1 (fr) 1982-02-12 1982-02-12 Dispositif de raccordement electrique a bornes protegees d'acces direct
FR8202354 1982-02-12

Publications (2)

Publication Number Publication Date
EP0086696A1 EP0086696A1 (fr) 1983-08-24
EP0086696B1 true EP0086696B1 (fr) 1985-10-09

Family

ID=9270952

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83400237A Expired EP0086696B1 (fr) 1982-02-12 1983-02-04 Dispositif de raccordement à bornes protégées d'accès direct

Country Status (9)

Country Link
US (1) US4531797A (ja)
EP (1) EP0086696B1 (ja)
JP (1) JPS58152383A (ja)
BR (1) BR8300733A (ja)
CA (1) CA1201503A (ja)
DE (1) DE3360945D1 (ja)
DK (1) DK157273C (ja)
FR (1) FR2521789A1 (ja)
IN (1) IN159958B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126780A (ja) * 1984-11-24 1986-06-14 松下電工株式会社 端子装置
US4687270A (en) * 1986-07-18 1987-08-18 General Motors Corporation Fuse package
FR2611995B1 (fr) * 1987-03-05 1993-05-07 Telemecanique Electrique Dispositif de raccordement a vis pour conducteur electrique
JP2725519B2 (ja) * 1991-10-01 1998-03-11 三菱電機株式会社 端子台
US5747741A (en) * 1995-06-16 1998-05-05 Hubert Laurenz Naimer Screw terminal for an electrical connection of cables or wires
JP3307183B2 (ja) * 1995-09-06 2002-07-24 富士電機株式会社 電気機器の端子装置
JP2005235730A (ja) * 2004-01-22 2005-09-02 Fuji Electric Fa Components & Systems Co Ltd 開閉器の端子装置
CN103117176B (zh) * 2013-01-23 2016-05-04 江苏和乔科技股份有限公司 一种自毁电路的触发装置
FR3069976A1 (fr) * 2017-08-03 2019-02-08 Valeo Equipements Electriques Moteur Machine electrique tournante munie d'un capot de protection fixe par encliquetage

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740001A (en) * 1952-07-19 1956-03-27 North American Aviation Inc Terminal block cover
US2985861A (en) * 1958-06-04 1961-05-23 Burndy Corp Electrical connector block
DE1465280A1 (de) * 1964-04-23 1969-04-30 Bosch Gmbh Robert Steckverbindung fuer elektrische Leitungen
US3354454A (en) * 1966-11-04 1967-11-21 Amp Inc One-piece signal housing
DE2448111C3 (de) * 1974-10-09 1982-03-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zum Anschluß elektrischer Leitungen an ein elektrisches Gerät
DE2909202C2 (de) * 1979-03-09 1983-04-28 Brown, Boveri & Cie Ag, 6800 Mannheim Abdeck- und Sicherungskappe für Klemmschrauben an elektrischen Geräten
DE3014495A1 (de) * 1980-04-16 1981-10-22 Brown, Boveri & Cie Ag, 6800 Mannheim Anschlussklemmenvorrichtung fuer das wicklungsende einer in einem elektromagnetischen schaltgeraet anzuordnenden induktiven spule

Also Published As

Publication number Publication date
JPS58152383A (ja) 1983-09-09
JPS6341195B2 (ja) 1988-08-16
DK61483A (da) 1983-08-13
FR2521789B1 (ja) 1984-03-23
DK61483D0 (da) 1983-02-11
DK157273C (da) 1990-04-30
DE3360945D1 (en) 1985-11-14
DK157273B (da) 1989-11-27
CA1201503A (fr) 1986-03-04
BR8300733A (pt) 1983-11-16
EP0086696A1 (fr) 1983-08-24
IN159958B (ja) 1987-06-13
US4531797A (en) 1985-07-30
FR2521789A1 (fr) 1983-08-19

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