EP0969554B1 - Anschlussklemme mit zwei Anschlussvorrichtungen - Google Patents

Anschlussklemme mit zwei Anschlussvorrichtungen Download PDF

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Publication number
EP0969554B1
EP0969554B1 EP99420133A EP99420133A EP0969554B1 EP 0969554 B1 EP0969554 B1 EP 0969554B1 EP 99420133 A EP99420133 A EP 99420133A EP 99420133 A EP99420133 A EP 99420133A EP 0969554 B1 EP0969554 B1 EP 0969554B1
Authority
EP
European Patent Office
Prior art keywords
pusher
stripping
terminal block
wire
connection
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
EP99420133A
Other languages
English (en)
French (fr)
Other versions
EP0969554A3 (de
EP0969554A2 (de
Inventor
Bernard Bechaz
Luc Doutaz
Ariel Ruiz
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 EP0969554A2 publication Critical patent/EP0969554A2/de
Publication of EP0969554A3 publication Critical patent/EP0969554A3/de
Application granted granted Critical
Publication of EP0969554B1 publication Critical patent/EP0969554B1/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
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot

Definitions

  • the present invention relates to a connection terminal block comprising two connection devices.
  • Such a terminal block is for example used in a cabinet electric to connect two ends of electric wires. Both connection devices are then electrically connected to each other.
  • Such double connection devices are already known.
  • the patent EP-0 087 158 shows for example a device comprising two self-stripping connection arrangements.
  • US Patent 4,223,971 is considered to be the state of the art closest and describes a terminal block with two connection devices.
  • the object of the present invention is therefore to provide a terminal block for connection provided with two connection devices to carry out the connection of two (or more) electrical wires whose overall dimensions are reduced.
  • the terminal block according to the invention could be easily realized and will have a low cost price.
  • the terminal block it offers is a terminal block connection comprising two connection devices, each connection device connection comprising a stripping and holding slot provided with a wire entry at one end, as well as an insulating box in which are mounted the connection devices and having facing the slots of stripping and holding each time an opening allowing the introduction of a wire facing the wire entry of the slot and the sliding of this thread in the slot.
  • the stripping slots are substantially parallel, the wire entries facing each other or having an offset transverse to the direction of the slots;
  • the terminal block includes in addition to a double pusher placed between the two connection devices, slidably mounted parallel to the direction of the stripping slots between an interpenetration position with a first connection device and an interpenetration position with the other connection device.
  • a single button is sufficient here to allow connection at the two connection devices.
  • the space saving is important compared to known solutions which all use as much pushers that there are connection devices.
  • the terminal block pusher according to the invention is shaped so that when it is in position of interpenetration with respect to a connection device it located in a position allowing the introduction of a wire through the opening provided for this purpose in the housing and the positioning of this wire at the level from the wire entry of the stripping and holding slot.
  • the race of pusher then corresponds to the stroke necessary for the introduction of a wire in a connection device.
  • the pusher is a part symmetrical with respect to a plane median perpendicular to the stripping and holding slots.
  • connection devices are for example connected by a connecting bar on which the pusher slides.
  • the pusher is then guided by the connecting bar and possibly the insulating housing of the terminal.
  • the terminal block connection according to the invention is advantageously such that the strip of connection has a projection and such that the pusher has on its face in contact with the bar two notches, the projection and the notches being arranged so that the projection is in a notch when the pusher is in the interpenetration position with respect to a connection device.
  • the interpenetration positions of the pusher by connection devices are then indexed.
  • the pusher is advantageously actuated using a blade a screwdriver inserted into the housing from outside the terminal block connection.
  • the insulating housing has for example a converging then diverging opening towards the inside of the case and, facing this opening, the pusher has a groove intended to receive the end of a screwdriver blade.
  • connection terminal block uses advantageously connection devices such as those revealed by the document EP-0 247 360.
  • each connection device comprises a conductive part having a cross section corresponding to a U whose free ends have been obliquely and also folded towards each other so as to provide a space corresponding to the width of the stripping and holding slot.
  • the pusher advantageously has each of its ends a substantially T-shaped profile, narrowed to level of the junction of the two branches of the T, so that slide in the conductive part, on both sides and between the edges of the stripping and holding slot being guided inside the conductive part. There is thus a very good guidance of the pusher during the stripping and connection and also a good push of the connected wire because it is pushed on either side of the stripping slot and maintenance.
  • Figure 1 shows a self-stripping connection jaw 2 as well as a pusher 4 allowing the introduction of a wire 6 into jaw.
  • the jaw 2 is made of a conductive material. She corresponds for example to the jaw described in the patent EP-0 247 360.
  • the jaw 2 has a stripping and stripping slot 8 holding a wire 6.
  • the slot 8 is here rectilinear and is provided longitudinally along a shaped part of the jaw 2, which is obtained here, for example from a flat side, by stamping causing it to be cut, folded and possibly thinned located.
  • the profiled part of the jaw 2 has a cross section hollow polygon which corresponds to a U whose free ends have been obliquely and also folded towards each other.
  • the profiled part thus obtained has two folds 10 ends corresponding to the free ends obliquely and also folded up mentioned above. These two folds 10 border the slot 8 which they delimit and eventually are thinned gradually towards this slit 8.
  • the profiled part of the jaw 2 has two walls parallels 12 which form the two branches of the U. Each of these walls carries a fold 10 and ensures the immobilization of the jaw 2 when the latter is placed in a housing made in a connection terminal block, together with a bottom wall 14 forming the base of the U.
  • the walls parallels 12 are perpendicular to the bottom wall 14.
  • One end of the slot 8 has a mouth stripping 16.
  • the profiled part has only a mouth stripped but it is of course possible to have a mouthpiece stripped at each end to form a connection arrangement to two entrances.
  • the stripped mouth 16 provided here is obtained by oblique and symmetrical cutting of the folds 10 at their ends. This oblique cut to obtain a flared mouth. The folding subsequent folds 10 relative to the walls 12 which carry them respectively, creates an edge 18 sufficient to start the sheath of a wire 6 pushed into this mouth.
  • the pusher 4 is a part for example made of material synthetic and obtained by molding. It comes in the form of a elongated block having two profiled ends 20 connected to an area central 22.
  • the profiled ends have a cross section of general shape in T.
  • Part 24 corresponding to the vertical bar of the T is intended to slide inside the hollow profile of a jaw 2.
  • Part 26 corresponding to the crossbar of the T extends perpendicular to part 24. The two parts 24 and 26 are connected by a narrowed area 28.
  • the shape of the ends 20 of the pusher 4 is such that each of its ends 20 can slide in a jaw 2.
  • the part 24 forming the vertical bar of the T then slides inside the part profiled jaw 2 while the crossbar corresponding to the part 26 of the end 20 slides outside the profiled jaw 2, while the narrowed area moves into the slot 8.
  • the central zone 22 connects the two ends 20 of the pusher 4. These two ends 20 are aligned profiled zones. On his part upper, i.e. on the side of the parts 26 of the ends corresponding to the cross bars of the T-profile, the central area has a transverse groove 30 intended to receive the end of a screwdriver blade. On its underside, the central area has two transverse notches 32 each located near one end profile 20 of the pusher. The role of these section notches substantially triangular will be described below with reference to Figures 2 to 5.
  • FIGS 2 to 5 show in section a connection terminal block 34 intended to ensure the connection of one or more electric wires 6.
  • This terminal block 34 has two slotted jaws 2 which are connected electrically via a connecting bar 36. This the latter is substantially flat and connects the jaws 2 by extending the bottom wall 14 of each of these jaws 2.
  • the jaws 2 are conventionally immobilized in housings provided for this purpose in an insulating housing 38 of the terminal block 34, which is for example formed by assembling two half-shells complementary joined together by ultrasonic welding after introduction of the internal organs which it must contain.
  • the insulating housing 38 has in its upper part a opening 40 centrally arranged.
  • This opening is intended for allow the passage of a screwdriver blade 42 and the guiding thereof.
  • the opening 40 has in the direction from the outside of the housing 38 towards the interior thereof a convergent zone 44 then a divergent zone 46.
  • the screwdriver blade 42 can pivot around the area of smallest cross-section between two extreme positions shown in FIGS. 2 and 3.
  • the convergent 44 and divergent 46 zones therefore define the angle of rotation of the screwdriver blade 42.
  • the opening 40 is intended to allow access to the screwdriver blade 42 to the groove 30 of the pusher 4.
  • the lower part of the insulating housing 38 is shaped so as to allow the mounting of the housing on a mounting rail. This lower part of the housing 38 is not described in detail here because it can take various and varied forms in order to adapt to the form of various mounting rails.
  • the two jaws 2 and 2 'are made face and the stripped mouths 16 and 16 'face each other.
  • Pusher 4 is mounted sliding between the two jaws 2 and 2 'and its underside slides on the connecting bar 36.
  • the pusher 4 is in position of interpenetration with respect to the jaw 2.
  • the part 24 of the end 20 the pusher 4 is located inside the profiled body of the jaw 2.
  • This 6 'wire is introduced inside the insulating housing through an opening 48 'located at side of the opening 40 allowing the insertion of the screwdriver blade 42.
  • An opening 48 is made in the insulating housing symmetrically at the opening 48 'relative to the opening 40.
  • the openings 48 and 48 ′ each have, in known manner, a "hole hole” shape lock ", that is to say that it has a circular shape at one end extended towards the other end by a rectilinear slit of width less than the diameter of the circular part.
  • the circular opening is faces the wire entry, or stripped mouth 16 or 16 ', while that the straight slit faces the stripping and holding slit matching 2 or 2 'jaw.
  • the edges of the straight slot are bordered by two lips 49 ( Figure 6) which are intended to maintain the sheath 6b of a connected wire. It can be seen in FIG.
  • stripping slot and holding 8 provides electrical contact at the core 6a of the wire and maintenance at the level of the sheath 6b and how the lips 49 contribute to perfect the maintenance of the wire by slightly incising the sheath 6b without however, strip the core 6a.
  • connection terminal block also makes it possible to disconnect a wire. We then use the screwdriver blade 42 to come push the wire you wish to disconnect from the outside. In the example in Figure 5 it is wire 6. The end of wire 6 to be disconnected is push until it is out of the jaw slot 2 or 2 '. It then suffices to remove it from the housing 38.
  • the shape of the jaws and the pusher might be entirely different.
  • the stripping slot is not example not necessarily performed on a profile but can be performed at a fork, also called a lyre.
  • the shape of the pusher is then adapted to the shape of the connection device. This pusher does not not necessarily push the end of a wire on both sides of the edges delimiting the stripping and holding slot and at this slot.
  • the pusher stroke in the embodiment described above has been reduced. This allows you to go from an extreme position of the pusher to the other extreme position of the pusher by performing a rotation relatively limited screwdriver blade. In practice we arrive at a rotation between 60 and 70 °. The stroke of this pusher can be extended. It is thus possible to have an intermediate position in which the pusher would be in position allowing the entry of a wire opposite the two self-stripping jaws.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Multi-Conductor Connections (AREA)

Claims (9)

  1. Anschlussklemme umfassend zwei Anschlussvorrichtungen (2,2'), wobei jede Anschlussvorrichtung einen an einem Ende mit einer Drahteinführung (16) ausgestatteten Abisolier- und Halte-Schlitz (8) umfasst sowie ein isolierendes Gehäuse (38), in dem die Anschlussvorrichtungen (2,2') montiert sind, und gegenüber den Abisolier- und Halte-Schlitzen (8) jeweils eine Öffnung (48,48') aufweist, die das Einführen eines Drahts (6,6',6") gegenüber der Drahteinführung des Schlitzes und das Gleiten dieses Drahts im Schlitz (8) erlaubt, wobei die Abisolier-Schlitze (8) ungefähr parallel sind, wobei die Drahteinführungen (16) sich gegenüber liegen oder eine Querverschiebung bezogen auf die Richtung der Schlitze aufweisen, dadurch gekennzeichnet, dass die Klemme ferner eine doppelte zwischen den beiden Anschlussvorrichtungen (2,2') angeordnete Druckvorrichtung (4) umfasst, die parallel zur Richtung der Abisolier-Schlitze (8) gleitend zwischen einer Position gegenseitige Eingriffs mit einer ersten Anschlussvorrichtung und einer Position gegenseitigen Eingriffs mit der anderen Anschlussvorrichtung montiert ist.
  2. Anschlussklemme nach Anspruch 1, dadurch gekennzeichnet, dass die Druckvorrichtung (4) derart gestaltet ist, dass dann, wenn sie sich in einer Position gegenseitigen Eingriffs gegenüber einer Anschlussvorrichtung (2,2') befindet, sie sich in einer Position befindet, die das Einführen eines Drahts (6,6',6") durch die dafür vorgesehene Öffnung im Gehäuse (38) und das Positionieren des Drahts im Bereich der Drahteinführung (16) des Abisolier- und Halte-Schlitzes (8) erlaubt.
  3. Anschlussklemme nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Druckvorrichtung (4) ein bezüglich einer mittleren zu den Abisolier- und Halte-Schlitzen (8) orthogonalen Ebene symmetrisches Teil ist.
  4. Anschlussklemme nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Abisolier- und Halte-Schlitze (8) in einer Linie sind und dadurch, dass die Druckvorrichtung (4) ein bezogen auf eine mittlere Ebene, die die Abisolier- und Halte-Schlitze (8) enthält, symmetrisches Teil ist.
  5. Anschlussklemme nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die beiden Anschlussvorrichtungen (2,2') durch einen Verbindungssteg (36) verbunden sind, auf dem die Druckvorrichtung (4) gleitet.
  6. Anschlussklemme nach Anspruch 5, dadurch gekennzeichnet, dass der Verbindungssteg (36) einen Vorsprung (50) aufweist und dadurch, dass die Druckvorrichtung (4) auf der Kontaktfläche mit dem Steg zwei Vertiefungen (32) aufweist, wobei der Vorsprung (50) und die Vertiefungen (32) derart angeordnet sind, dass sich der Vorsprung (50) in einer Vertiefung (32) befindet, wenn sich die Druckvorrichtung (4) in Position gegenseitiger Durchdringung bezogen auf eine Anschlussvorrichtung (2,2') befindet.
  7. Anschlussklemme nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das isolierende Gehäuse (38) eine zum Inneren des Gehäuses (38) erst konvergierende, dann divergierende Öffnung (40) aufweist und dadurch, dass die Druckvorrichtung (4) gegenüber dieser Öffnung (40) eine Nut (30) aufweist, die dazu vorgesehen ist, das Ende einer Schraubendreherschneide (42) aufzunehmen.
  8. Anschlussklemme nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass jede Anschlussvorrichtung (2,2') ein leitendes Teil umfasst, das einen querliegenden einem U entsprechenden Abschnitt aufweist, dessen freie Enden (10) derart zueinander schräg und gleich umgebogen worden sind, dass zwischen ihnen ein Abstand entsprechend der Breite des Abisolier- und Halte-Schlitzes (8) ausgespart wird.
  9. Anschlussklemme nach Anspruch 8, dadurch gekennzeichnet, dass die Druckvorrichtung (4) an jedem ihrer Enden eine profilierte Form (20,20') ungefähr in T-Form aufweist, die sich im Bereich der Verbindung der beiden Äste des T verengt, derart, dass sie im leitenden Teil (2,2') gleiten kann, und zwar beidseits und zwischen den Rändern (10) des Abisolierund Halte-Schlitzes (8), wobei sie im Inneren des leitenden Teils (2) geführt ist.
EP99420133A 1998-06-30 1999-06-14 Anschlussklemme mit zwei Anschlussvorrichtungen Expired - Lifetime EP0969554B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9808478 1998-06-30
FR9808478A FR2780557B1 (fr) 1998-06-30 1998-06-30 Bornier de connexion comportant deux dispositifs de connexion

Publications (3)

Publication Number Publication Date
EP0969554A2 EP0969554A2 (de) 2000-01-05
EP0969554A3 EP0969554A3 (de) 2000-12-13
EP0969554B1 true EP0969554B1 (de) 2004-07-14

Family

ID=9528183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99420133A Expired - Lifetime EP0969554B1 (de) 1998-06-30 1999-06-14 Anschlussklemme mit zwei Anschlussvorrichtungen

Country Status (6)

Country Link
US (1) US6048223A (de)
EP (1) EP0969554B1 (de)
JP (1) JP4299919B2 (de)
BR (1) BR9902465A (de)
DE (1) DE69918612T2 (de)
FR (1) FR2780557B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001099233A2 (en) * 2000-06-20 2001-12-27 Corning Cable Systems Llc Top loading customer bridge
DE202005012792U1 (de) * 2005-08-11 2006-02-16 Phoenix Contact Gmbh & Co. Kg Elektrische Klemme
US8162689B2 (en) * 2005-08-29 2012-04-24 Phoenix Contact Gmbh & Co., Kg Clamping device for connecting a conductor without stripping the insulation
ITMI20060373A1 (it) * 2006-03-02 2007-09-03 Ilme Spa Connettore elettrico multipolare con contatti a molla
FR2918805B1 (fr) * 2007-07-09 2009-09-25 Amphenol Air Lb Soc Par Action Borne de raccordement electrique autodenudante.
DE202009010246U1 (de) * 2009-07-29 2009-10-01 Harting Electric Gmbh & Co. Kg Anschlussvorrichtung für ein mehradriges elektrisches Kabel
TWM456596U (zh) * 2013-03-01 2013-07-01 Kinsun Ind Inc 多閘刀式電線連接座

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223971A (en) * 1979-01-05 1980-09-23 Amp Incorporated Electrical wiring assembly and method
FR2503464A1 (fr) * 1981-04-03 1982-10-08 Alsthom Cgee Bloc de jonction a raccordement electrique sans denudage
FR2516711A1 (fr) * 1981-11-17 1983-05-20 Alsthom Cgee Borne de raccordement de fil electrique sans denudage
FR2522201A1 (fr) * 1982-02-24 1983-08-26 Alsthom Cgee Piece de connexion electrique polyvalente
FR2598039B1 (fr) * 1986-04-28 1990-09-21 Alsthom Cgee Agencement de connexion a fente pour fil electrique et embout d'outil de connexion correspondant
FR2623024B1 (fr) * 1987-11-09 1990-03-23 Arnould App Electr Connecteur auto-denudant pour conducteur electrique isole
DE9212342U1 (de) * 1992-09-14 1993-03-04 Siemens Ag, 8000 Muenchen, De
DE4437022C1 (de) * 1994-10-08 1996-02-22 Krone Ag Anschlußelement

Also Published As

Publication number Publication date
US6048223A (en) 2000-04-11
FR2780557A1 (fr) 1999-12-31
BR9902465A (pt) 2000-03-14
DE69918612D1 (de) 2004-08-19
EP0969554A3 (de) 2000-12-13
EP0969554A2 (de) 2000-01-05
DE69918612T2 (de) 2006-03-30
JP2000036335A (ja) 2000-02-02
JP4299919B2 (ja) 2009-07-22
FR2780557B1 (fr) 2001-09-21

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