EP1353407B1 - Wire connecting device - Google Patents

Wire connecting device Download PDF

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Publication number
EP1353407B1
EP1353407B1 EP03007741A EP03007741A EP1353407B1 EP 1353407 B1 EP1353407 B1 EP 1353407B1 EP 03007741 A EP03007741 A EP 03007741A EP 03007741 A EP03007741 A EP 03007741A EP 1353407 B1 EP1353407 B1 EP 1353407B1
Authority
EP
European Patent Office
Prior art keywords
connecting device
clamping spring
cage
arm
metallic cage
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
EP03007741A
Other languages
German (de)
French (fr)
Other versions
EP1353407A1 (en
Inventor
Thomas Wielsch
Jochen Reese
Herbert Fricke
Jörg Diekmann
Manfred Wilmes
Michael Lenschen
Rainer Schulze
Siegfried Storm
Thomas Tappe
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.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface 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
Priority claimed from DE20205821U external-priority patent/DE20205821U1/en
Priority claimed from DE20211513U external-priority patent/DE20211513U1/en
Application filed by Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP1353407A1 publication Critical patent/EP1353407A1/en
Application granted granted Critical
Publication of EP1353407B1 publication Critical patent/EP1353407B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/48275Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end with an opening in the housing for insertion of a release tool
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/09Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/515Terminal blocks providing connections to wires or cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/55Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/712Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716Coupling device provided on the PCB
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/113Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00Connectors or connections adapted for particular applications
    • H01R2201/20Connectors or connections adapted for particular applications for testing or measuring purposes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00Coupling parts supported only by co-operation with counterpart
    • H01R31/08Short-circuiting members for bridging contacts in a counterpart
    • H01R31/085Short circuiting bus-strips
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural 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
    • H01R9/22Bases, e.g. strip, block, panel
    • H01R9/24Terminal blocks
    • H01R9/26Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2616End clamping members

Definitions

  • the invention relates to a connecting device for conductors according to the preamble of claim 1.
  • Connecting devices for conductors with clamping springs are known in a variety of variants and have proven themselves. Examples show the DE 197 376 739A1 , the DE 42 31 244 A1 , the DE 35 20 826 A1 , the DE 24 40 825 A1 , the DE 295 00614 A1 , the DE 81 36 054 U1 , the DE 69 41 200 U1 and the WO 02/13 319 A1 , A connecting device for conductors according to the preamble of claim 1 is made US-A-5 685 735 known.
  • the first longitudinal leg of the clamping spring is fixed to the inside of the first side wall of the metal cage and partially directly applied to the inside of the side wall, the bending region of the clamping spring rests on at least one directly integrally formed on the metal cage web, and a projection on the Inside of one of the side walls of the metal cage is provided as a limitation for the deflection of the clamping leg.
  • a particularly inexpensive and made of few parts connecting device is realized with a clamping spring which is ausziehêt fixed exclusively by means of directly formed on the metal cage functional elements in the metal cage, all forces of the operation are absorbed by the metal cage, as a whole or as a preassembled unit can be introduced into a terminal block housing or mounted on a printed circuit board.
  • a clamping spring which is ausziehêt fixed exclusively by means of directly formed on the metal cage functional elements in the metal cage, all forces of the operation are absorbed by the metal cage, as a whole or as a preassembled unit can be introduced into a terminal block housing or mounted on a printed circuit board.
  • the clamping leg has at its free end centering, which preferably engage at least in the un-connected state respectively in correspondingly shaped corresponding recesses in the busbar. Heads of different diameters and in particular also several conductors can be easily inserted into the connection device due to the centering devices, whereby always a good contact between the at least one conductor and the busbar is ensured. The engagement of the centering in the recesses also allows the wiring with conductors with a particularly small diameter.
  • the clamping cage consists of a highly conductive metal such as copper and takes over an electrically conductive function or that the busbar and the clamping cage are made in one piece from conductive material.
  • FIG. 1a shows a connection device 1 for an end stripped conductor 2 (see, for example Fig. 1b ), which has a clamping spring 3 and a bus bar 4, which are arranged in a metal cage 5.
  • the metal cage 5 has a rectangular cross-sectional shape with four side walls 5a - 5d and is open at its two axial ends, wherein one of the open Pages - in Fig. 1a the upper open side - serves as an insertion opening 14 for a conductor 2 and an operating tool or the like.
  • the first and third side walls 5a and 5c which are opposed to each other and aligned in parallel, are narrower than the two other mutually parallel second and fourth side walls 5b and 5d.
  • Fig. 1b is the connection device are shown for clarity without the second and here front side wall 5b.
  • the clamping spring 3 formed from a rectangular sheet metal strip has two longitudinal limbs 3a and 3b, which are aligned at an acute angle to one another and are connected to one another via a bending region 3c.
  • the first longitudinal leg 3a of the clamping spring 3 is attached to the inside of the first, shorter side wall 5a of the metal cage 5 and is partially directly on the inside of the side wall 5a. Its dimensions correspond to the dimensions of the inside of the first side wall 5a.
  • the busbar 4 is L-shaped in side view and rests with its contact leg 4a on the inside of the third side wall 5c, which is opposite to the first side wall for fixing the clamping spring 3.
  • the second leg 4b engages over the axial opening of the metal cage 5 facing away from the insertion opening 14 and thus forms a boundary or a stop for the conductor 2 when it is inserted into the connection device.
  • the first longitudinal leg 3a has a recess 6 into which an inwardly projecting projection 7 of the first side wall 1a engages.
  • the recess is rectangular here and lies to the side facing away from the insertion side for the conductor 2 side of the side wall 1a.
  • the projection 7 also has a rectangular shape here. It is formed by punching a U-shaped punched hole in the first side wall 1a, whereupon it is punched on one side in a bending area 8 metal tab connected to the first side wall 1a is bent inwardly. In this case, the bending region 8 is the projection 7 to the insertion side of the conductor.
  • a web 10 a, 10 b is formed on the insertion side, the length of each, e.g. half of the width of the clamping spring 3 corresponds and which are bent inwardly perpendicular to the respective sidewall planes.
  • These webs 10 serve in a simple manner as a support for the bending region 3c of the clamping spring 3d.
  • the second longitudinal leg 3b extends obliquely to the insertion direction for the conductor into the metal cage and extends here in the non-connected state to the busbar 4 and is applied to this.
  • He is here doubly curved like a wave.
  • the conductor of the second longitudinal leg 3b - also called clamping legs - deflected in the insertion direction downwards. Its movement in this direction is limited by an inwardly facing projection 11 on the fourth side wall 5d, which is formed as a still one-sided connected to the side wall in a bending region 12 and stamped on three sides U-shaped tabs.
  • the metal cage 5 is also formed as a bent part of a stamped sheet, which is bent after punching in the shape of rectangular in cross section metal cage 5, wherein the interface of the edges of the metal strip is here in the region of the second side wall 5 b and wherein the two edges a castle-like compound 13 (tongue and groove) interlock.
  • the protruding from the insertion opening 14 for the conductor 2 bent end of the busbar and the clamping legs 3b of the clamping spring 3 together form a kind of funnel-shaped insertion region for the conductor 2, which facilitates insertion into the terminal device 1.
  • a bulge 15 in the first longitudinal leg 3a of the clamping spring above the recess 6 serves to optimize the voltage.
  • connection device for conductors, which can be used in a variety of ways without requiring any major adjustments at the site.
  • connection device in a terminal block and to provide essentially only one of the geometry of the connection device adapted recess for insertion of the terminal device (see also the comments on Fig. 22 and 23 ).
  • Special webs and the like, which serve as stop elements for any moving parts of the connecting device, for example, are not required.
  • Fig. 1c shows an individual view of the busbar and the clamping spring 3 in the open state for wiring (but for the sake of clarity without a conductor).
  • the clamping leg 3b bears against the projection 11.
  • the busbar 4 can be easily inserted for mounting in the metal cage 5b eg in the open state from below.
  • Figure 1d shows how the terminal device behaves after insertion of a conductor 2.
  • the clamping leg 3b of the spring is located on the projection 11, so that a particularly defined clamping force is exerted on the conductor, which presses the conductor against the busbar 4.
  • Figure 1e illustrates that there is sufficient space next to the conductor to press by means of an operating tool, in particular a screwdriver 16, the clamping leg 3b for releasing the conductor 2 against the projection 11.
  • an operating tool in particular a screwdriver 16
  • the clamping leg 3b for releasing the conductor 2 against the projection 11.
  • FIG. 1f illustrates the integration of the terminal device 1 in a terminal housing 17, which has a recess 18 and insertion openings 19, 20 for the screwdriver 16 or other operating tool and the conductor 2.
  • the screwdriver With the screwdriver, it is in particular possible to depress the clamping leg 4b practically and safely in the undulating region and to open the nip of the connecting device 1. Due to the spring shape and the design of the metal cage 5 and the screwdriver guide (opening 19) in the terminal obstruction of the conductor 2 is avoided by the screwdriver.
  • Figure 1g shows an alternative embodiment in which an actuating piece 21 rests on the wavy curved clamping leg 3b, which has on its upper side a notch or slot 22 for supporting the screwdriver and on one side a latching lug 46 for failing against failure from the terminal housing.
  • busbar 4 it is also conceivable to fix the busbar, for example, directly to another busbar 44, in which case the busbar 4 is not L-shaped, that is, it has no second leg 4b.
  • FIG. 1j illustrates that a vomabgriff 24 can be arranged at various points of the terminal device, such as on an outer side, for example, on the outside of the first side wall 5a.
  • Figure 1k illustrates how FIG. 11 the insertion of an actuating piece 21 in the opening 19 'of the terminal housing 17.
  • the detent 46 secures the actuating piece against failure of terminal block.
  • Figure 1m shows that the top of the actuating piece 21 may be formed widened such that a marker region 38 is formed for attaching a marker.
  • a corresponding recess 39 for receiving the Markierer Suitees 38 is formed in the terminal housing 17.
  • Figure 1n 1 illustrates the mounting or insertion of the terminal device 1a with busbar 4 from the side into the simple, substantially rectangular recess 18 of the terminal housing 17, where the connecting device 1 with a projection 45 which is bent out directly from the outside of the metal cage 5 , is securely locked in a recess of the terminal block, so that it is secured against lateral failure.
  • Figure 1o shows in the upper section, the clamping spring 3 or contact spring together with metal cage 5 and in the lower part of the L-shaped busbar 4 in a single representation.
  • FIG. 2 corresponds largely to the embodiment of FIG. 1
  • the second clamping leg 3b is not curved in a wave-like but planar, so that no support surface for the Screwdriver 16 is formed.
  • the variant is still functional, if by type FIG. 2b the insertion opening 19 for the screwdriver 16 is tapered in the insertion direction, so that the insertion movement of the screwdriver 16 is limited in the terminal housing 17.
  • FIG. 3 shows a variant in which the metal housing or the metal cage 5 tapers from the insertion side 14 to the busbar 4 downwards on one side (in the region of the side walls 5b and 5d). Accordingly, although the cross section of the metal cage 5 remains rectangular. The cross section also tapers in the insertion direction.
  • a particularly compact connecting device is realized, the structure but otherwise the embodiment of FIG. 1 equivalent.
  • the terminal housing tapers on both sides, that is, the side walls 5b and 5d each have a trapezoidal shape, which again opposite Fig. 3 is space-saving and more compact.
  • FIG. 5a and b is on the opposite side of the insertion opening 14 of the connecting device 1 to the metal cage 5, to the clamping spring 3 and the busbar 4, a further leg 5e, 4c and 3d formed, which are bent towards each other, wherein between the spring leg 3d and the busbar leg 4c the busbar 4 is a connection option for a male connector 25.
  • the leg 5e of the metal cage serves as a stop plug 25 is made.
  • the leg 5e of the metal cage serves as a stop for moving the spring leg 3d.
  • FIGS. 6a and b illustrate that in a corresponding variant of a busbar 4, which does not close the insertion opening 14 opposite side of the metal cage 5, the area between a bent end 26 of the first longitudinal leg 3a and the first side wall 5a as a plug for a scholarabgriff or for a cross connector 27th is usable.
  • Figure 7a illustrates that even between the bending region 3c and the first side wall 5a, such a cross connector 27 or a test plug can be inserted.
  • FIG. 8 combines the variants FIG. 6 and 7 and allows the engagement of cross connectors 27 or test plugs both on the type of Fig. 6 as well as the type of Fig. 7 ,
  • FIG. 9 illustrates that the embodiments of the FIG. 6 instead of introducing a transverse connector 27, it is also possible to insert another conductor 28.
  • Analog shows FIG. 10 the insertion of another conductor 28 between the bending region 3c of the clamping spring 3 and the first side wall 5a.
  • FIG. 11 combines the variants FIG. 9 and FIG. 10 ie, conductors 28 are inserted between the bent end 26 and the side wall 1a both in the insertion direction between the bending portion 3c and the first side wall 1a and on the opposite side.
  • FIG. 12 illustrates that directly on the insertion opening 14 opposite ends of the metal cage 5 soldering or Preßbeinchen 29 may be formed, which can be used in a circuit board 23 and openings 31 of the circuit board 23 and can be soldered, pressed or riveted there.
  • solder legs still plug legs 30 are formed with projections 43 which realize undercuts 32 which are latched when inserting corresponding slots 33 on the circuit board 30.
  • An over-housing 34 - Fig. 13 - Can be plugged in via one or more of these connection devices.
  • This outer housing 34 may for example consist of insulating material.
  • FIG. 14 illustrates that the busbar 4 may also be formed integrally with the metal cage or form part of the metal cage, if it consists of a highly conductive material.
  • FIG. 15 illustrates a further solderable to a circuit board 23 variant with solder legs 29 and a projection 35 for locking a Koch-Isolierstoffgeophuses on one of the side walls of the metal cage 5, which also assumes a conductive function as a busbar.
  • FIG. 16 and 17 illustrate that instead of solder legs 29 SMD-type attachment pieces 35 can be used for an SMD-like attachment to the circuit board (see also FIG. 17 ).
  • FIG. 18a b illustrate that the connecting device in the manner of FIG. 1a also on a circuit board or on a web or a busbar 44 can be placed.
  • FIG. 19 illustrates a plurality of juxtaposed on a circuit board connecting devices, wherein the second longitudinal leg 4b of the busbars 4 of the connecting devices is integrally connected to a conductive plate 42 integrally with each other.
  • FIG. 22 illustrates a terminal block with two terminal devices 1, which taper downwards. It is well recognizable that this terminal block in comparison to FIG. 23 with non-tapered connection devices 1 on the type FIG. 1 narrower builds.
  • Fig. 24 shows an embodiment of the invention in which the clamping spring 3 is impressed on the metal cage, by means of inexpensive and durable stampings 47 in the region of the adjacent to the first side wall 5a longitudinal leg 3a.
  • the cutouts 36, 37 in the second and fourth side walls 5b and 5d in the corner areas to the first side wall 5a are not required.
  • Another embossment 50 may be provided between the busbar 4 and the metal cage 5.
  • punch-outs 48 for example in the second and / or fourth side walls 5b and 5d in the corner regions towards the busbar 4, are arranged and bent inwardly such that an insertion and receiving space 49 for the conductor is defined between them and the busbar 4 facilitates the insertion of the conductor 2 and improves the defined fit of the conductor 2 in the connection device ( Fig. 25 ).
  • FIGS. 24 to 26 can the castle-like connection on the type of Fig. 1a be provided.
  • the second wall and 5b in its free end itself as a replacement of the web 10b Fig. 1 bent toward the interior of the metal cage 5 in order to realize such a particularly secure support area for the bending area 3c of the clamping spring 3 and at the same time to close and stabilize the metal cage 5 ( Fig. 26 ).
  • the web 10a can remain, but it is here, for example, simply as a punched-out from the upper edge of the wall 5d folded inwards ( Fig. 25 ).
  • the busbar 4 is provided in the direction of its longitudinal extent on its region facing the inserted conductor with a kind of groove or groove 138, which serves to center a conductor to be introduced.
  • clamping leg 3b at its end facing the busbar 4 has two lateral, bevelled centering tips 139, 40, which respectively engage in correspondingly shaped corresponding recesses 141, 142 in the corners of the busbar 4 (see also FIG Fig. 28a ).
  • a conductor 128 to be inserted is centered between the centering tips 139, 140 and the groove 138.
  • raised grooves 143 in the busbar 4 - in front of and behind the recesses 141, 142 disposed in the insertion direction - improve the contact of the conductor to the busbar 4 (see Fig. 28b ).
  • a particular advantage is also to be seen in that not only conductors 128 of different diameters ( Fig. 29a and c ) but also a plurality of conductors 128a, b can be connected in this way in a single connection device 1 ( Fig. 29b and d ).
  • Wiring with one or more thin conductors is also considerably simplified in this way ( Fig. 29a and b ).

Abstract

The device has a clamp spring and preferably a bus bar in a metal cage with an insertion opening for the conductor. The spring has two long legs joined by a bend of which one is a clamping leg. The first leg is attached to and directly in contact with the inside of the first cage side wall, the bend region is in contact with at least one bridge formed on the cage and a protrusion on the inside of a cage side wall forms a stop for the leg. The device has a clamp spring (3) and preferably a bus bar in a metal cage (5) of rectangular cross-section with at least three, preferably four side walls (5a-d) and open on at least one axial end forming an insertion opening (14) for the conductor. The spring has two long legs (3a,3b) joined by a bend of which one is a clamping leg. The first leg is attached to the inside of the first side wall of the cage and directly in contact with the side wall in sections, the bend region is in contact with at least one bridge formed on the cage and a protrusion is provided on the inside of a cage side wall as a stop for the leg.

Description

Die Erfindung betrifft eine Anschlussvorrichtung für Leiter nach dem Oberbegriff des Anspruches 1.The invention relates to a connecting device for conductors according to the preamble of claim 1.

Anschlußvorrichtungen für Leiter mit Klemmfedern sind in verschiedensten Varianten bekannt und haben sich an sich bewährt. Beispiele zeigen die DE 197 376 739A1 , die DE 42 31 244 A1 , die DE 35 20 826 A1 , die DE 24 40 825 A1 , die DE 295 00614 A1 , die DE 81 36 054 U1 , die DE 69 41 200 U1 und die WO 02 / 13 319 A1 . Eine Anschlußvorrichtung für Leiter nach dem Oberbegriff des Anspruchs 1 ist aus US-A-5 685735 bekannt.Connecting devices for conductors with clamping springs are known in a variety of variants and have proven themselves. Examples show the DE 197 376 739A1 , the DE 42 31 244 A1 , the DE 35 20 826 A1 , the DE 24 40 825 A1 , the DE 295 00614 A1 , the DE 81 36 054 U1 , the DE 69 41 200 U1 and the WO 02/13 319 A1 , A connecting device for conductors according to the preamble of claim 1 is made US-A-5 685 735 known.

Vor dem Hintergrund dieses Standes der Technik besteht der Bedarf nach einer besonders einfach handhabbaren Anschlußvorrichtung mit Klemmfeder, die sehr günstig herstellbar und vielseitig einsetzbar ist, wobei eine möglichst minimale Notwendigkeit zur Anpassung der die Anschlußvorrichtung aufnehmenden Gerätschaften wie Reihenklemmen oder Leiterplatten an notwendig sein soll.Against the background of this prior art, there is a need for a particularly easy-to-handle connection device with clamping spring, which is very inexpensive to manufacture and versatile, with the minimum possible need for adaptation of the terminal device receiving equipment such as terminal blocks or circuit boards to be necessary.

Die Lösung dieses Problems ist die Aufgabe der Erfindung.The solution to this problem is the object of the invention.

Die Erfindung löst diese Aufgabe durch den Gegenstand des Anspruches 1.The invention solves this problem by the subject matter of claim 1.

Danach ist vorgesehen, daß der erste Längsschenkel der Klemmfeder an der Innenseite der ersten Seitenwand des Metallkäfigs befestigt ist und abschnittsweise direkt an der Innenseite der Seitenwand anliegt, der Biegebereich der Klemmfeder auf wenigstens einem direkt an den Metallkäfig angeformten Steg aufliegt, und ein Vorsprung an der Innenseite einer der Seitenwände des Metallkäfigs als Begrenzung für die Auslenkung des Klemmschenkels vorgesehen ist.Thereafter, it is provided that the first longitudinal leg of the clamping spring is fixed to the inside of the first side wall of the metal cage and partially directly applied to the inside of the side wall, the bending region of the clamping spring rests on at least one directly integrally formed on the metal cage web, and a projection on the Inside of one of the side walls of the metal cage is provided as a limitation for the deflection of the clamping leg.

Mit der Erfindung wird eine besonders preiswerte und aus wenigen Teilen bestehende Anschlußvorrichtung mit einer Klemmfeder realisiert, welche ausschließlich mittels direkt am Metallkäfig ausgebildeten Funktionselementen im Metallkäfig ausziehsicher fixiert wird, wobei sämtliche Kräfte der Betätigung vom Metallkäfig aufgenommen werden, der als Ganzes bzw. als vormontierte Einheit in ein Reihenklemmengehäuse einbringbar oder auf einer Leiterplatte montierbar ist. Auf diese Weise ist lediglich noch notwendig, beispielsweise in einer Reihenklemme eine der Außengeometrie angepasste Ausnehmung vorzusehen, es sind aber keinerlei Stege oder dergleichen am Klemmengehäuse oder einer Leiterlatte erforderlich, welche spezielle Funktionen - so z.B. eine Ausziehsicherung der Feder oder die Funktion eines Anschlages - übernehmen. Diese Funktionen werden vielmehr von dem Metallkäfig übernommen.With the invention, a particularly inexpensive and made of few parts connecting device is realized with a clamping spring which is ausziehsicher fixed exclusively by means of directly formed on the metal cage functional elements in the metal cage, all forces of the operation are absorbed by the metal cage, as a whole or as a preassembled unit can be introduced into a terminal block housing or mounted on a printed circuit board. In this way, it is only necessary to provide, for example, in a terminal block adapted to the outer geometry recess, but there are no webs or the like on the terminal housing or a conductor bar required which special functions -. a pull-out of the spring or the function of a stop - take over. These functions are rather taken over by the metal cage.

Nach einer weiteren besonders bevorzugten und auch unabhängig betrachtbaren Weiterentwicklung ist vorgesehen, daß der Klemmschenkel an seinem freien Ende Zentrierspitzen aufweist, welche vorzugsweise zumindest im unbeschalteten Zustand jeweils in entsprechend ausgeformte korrespondierende Ausnehmungen in der Stromschiene eingreifen. Leiter verschiedensten Durchmesser und insbesondere auch mehrere Leiter können aufgrund der Zentriereinrichtungen problemlos in die Anschlussvorrichtung eingeführt werden, wobei stets ein guter Kontakt zwischen dem wenigstens einen Leiter und der Stromschiene sichergestellt ist. Der Eingriff der Zentrierspitzen in die Ausnehmungen ermöglicht auch das Beschalten mit Leitern mit einem besonders kleinen Durchmesser.According to another particularly preferred and independently contemplated further development is provided that the clamping leg has at its free end centering, which preferably engage at least in the un-connected state respectively in correspondingly shaped corresponding recesses in the busbar. Heads of different diameters and in particular also several conductors can be easily inserted into the connection device due to the centering devices, whereby always a good contact between the at least one conductor and the busbar is ensured. The engagement of the centering in the recesses also allows the wiring with conductors with a particularly small diameter.

Es ist nach einer Variante auch denkbar, dass der Klemmkäfig aus einem gut leitenden Metall wie Kupfer besteht und stromleitende Funktion übernimmt bzw. dass die Stromschiene und der Klemmkäfig einstückig aus leitendem Material hergestellt sind.It is according to a variant also conceivable that the clamping cage consists of a highly conductive metal such as copper and takes over an electrically conductive function or that the busbar and the clamping cage are made in one piece from conductive material.

Weitere vorteilhafte Ausgestaltungen sind den übrigen Unteransprüchen zu entnehmen.Further advantageous embodiments can be found in the remaining subclaims.

Nachfolgend wird die Erfindung anhand von Ausführungsbeispielen unter Bezug auf die Zeichnung näher beschrieben. Es zeigt:

Figur 1a - 10
verschiedene Ansichten und Betriebszustände sowie Einsatzvarianten eines ersten Beispiels ;
Figur 2a - 2f
verschiedene Ansichten, Betriebszustände, Einsatzvarianten und Varianten eines zweiten Beispiels ;
Figur 3 bis 18
verschiedene perspektivische Darstellungen weiterer Beispiele ;
Figur 19 bis 21
verschiedene perspektivische Darstellungen einer Reihung von Anschlussvorrichtungen;
Figur 22
zwei Anschlussvorrichtungen in einer schematisch dargestellten Reihenklemme; und
Figur 23
zwei Anschlussvorrichtungen in einer weiteren schematisch dargestellten Reihenklemme;
Fig. 24- 29
weitere Ausführungsbeispiele von Anschlussvorrichtungen.
The invention will be described in more detail by means of exemplary embodiments with reference to the drawing. It shows:
FIGS. 1a-10
various views and operating states and use variants of a first example;
FIGS. 2a-2f
different views, operating states, application variants and variants of a second example;
FIGS. 3 to 18
various perspective views of other examples;
FIGS. 19 to 21
various perspective views of an array of connection devices;
FIG. 22
two connection devices in a schematically illustrated terminal block; and
FIG. 23
two connection devices in a further schematically illustrated terminal block;
Fig. 24-29
Further embodiments of connection devices.

Figur 1a zeigt eine Anschlussvorrichtung 1 für einen im Endbereich abisolierten Leiter 2 (siehe beispielsweise Fig. 1b), welche eine Klemmfeder 3 und eine Stromschiene 4 aufweist, die in einem Metallkäfig 5 angeordnet sind. FIG. 1a shows a connection device 1 for an end stripped conductor 2 (see, for example Fig. 1b ), which has a clamping spring 3 and a bus bar 4, which are arranged in a metal cage 5.

Der Metallkäfig 5 weist eine im Querschnitt rechteckige Form mit vier Seitenwänden 5a - 5d auf und steht an seinen beiden axialen Enden offen, wobei eine der offenen Seiten - in Fig. 1a die obere offene Seite - als Einführöffnung 14 für einen Leiter 2 und ein Betätigungswerkzeug oder dergleichen dient.The metal cage 5 has a rectangular cross-sectional shape with four side walls 5a - 5d and is open at its two axial ends, wherein one of the open Pages - in Fig. 1a the upper open side - serves as an insertion opening 14 for a conductor 2 and an operating tool or the like.

Die erste und dritte Seitenwand 5a und 5c, die einander gegenüberliegen und zueinander parallel ausgerichtet sind, sind schmaler als die zwei weiteren zueinander parallelen zweiten und vierten Seitenwände 5b und 5d ausgebildet.The first and third side walls 5a and 5c, which are opposed to each other and aligned in parallel, are narrower than the two other mutually parallel second and fourth side walls 5b and 5d.

In Fig. 1b ist die Anschlussvorrichtung sind zum besseren Verständnis ohne die zweite und hier vordere Seitenwand 5b dargestellt.In Fig. 1b is the connection device are shown for clarity without the second and here front side wall 5b.

Wie zu erkennen, weist die aus einem rechteckigen Blechstreifen geformte Klemmfeder 3 zwei Längsschenkel 3a und 3b auf, welche spitzwinklig zueinander ausgerichtet und über einen Biegebereich 3c miteinander verbunden sind.As can be seen, the clamping spring 3 formed from a rectangular sheet metal strip has two longitudinal limbs 3a and 3b, which are aligned at an acute angle to one another and are connected to one another via a bending region 3c.

Der erste Längsschenkel 3a der Klemmfeder 3 ist an der Innenseite der ersten, kürzeren Seitenwand 5a des Metallkäfigs 5 befestigt und liegt abschnittsweise direkt an der Innenseite der Seitenwand 5a an. Seine Abmessungen entsprechen den Abmessungen der Innenseite der ersten Seitenwand 5a.The first longitudinal leg 3a of the clamping spring 3 is attached to the inside of the first, shorter side wall 5a of the metal cage 5 and is partially directly on the inside of the side wall 5a. Its dimensions correspond to the dimensions of the inside of the first side wall 5a.

Die Stromschiene 4 ist in der Seitenansicht L-förmig ausgebildet und liegt mit ihrem Kontaktschenkel 4a an der Innenseite der dritten Seitenwand 5c an, welche der ersten Seitenwand zur Befestigung der Klemmfeder 3 gegenüberliegt. Der zweite Schenkel 4b übergreift die von der Einführöffnung 14 abgewandte axiale Öffnung des Metallkäfigs 5 und bildet derart eine Begrenzung bzw. einen Anschlag für den Leiter 2 beim Einführen desselben in die Anschlußvorrichtung aus.The busbar 4 is L-shaped in side view and rests with its contact leg 4a on the inside of the third side wall 5c, which is opposite to the first side wall for fixing the clamping spring 3. The second leg 4b engages over the axial opening of the metal cage 5 facing away from the insertion opening 14 and thus forms a boundary or a stop for the conductor 2 when it is inserted into the connection device.

Der erste Längsschenkel 3a weist eine Ausnehmung 6 auf, in welche ein nach innen vorstehender Vorsprung 7 der ersten Seitenwand 1a eingreift. Die Ausnehmung ist hier rechteckig und liegt zu dem der Einführseite für den Leiter 2 abgewandten Seite der Seitenwand 1a hin. Der Vorsprung 7 hat hier ebenfalls eine Rechteckform. Er wird dadurch ausgebildet, daß eine U-förmige Ausstanzung in die erste Seitenwandung 1a eingestanzt wird, woraufhin der noch an einer Seite in einem Biegebereich 8 mit der ersten Seitenwand 1a verbundene Metallappen nach innen hin umgebogen wird. Dabei liegt der Biegebereich 8 zum Vorsprung 7 zur Einführseite des Leiters hin. Auf diese Weise ist es möglich, bei der Montage die Klemmfeder 3 in den Metallkäfig 5 von der Einführseite für die Leiter her einzuführen, wobei die Ausnehmung 6 über den Vorsprung 7 rutscht und dort hinter dessen eine Hinterschneidung 9 ausbildender Kante verrastet wird. Die Klemmfeder 3 ist damit auf einfache Weise gegen ein unbeabsichtigtes Lösen aus dem Metallkäfig 5 beim Entschalten der Anschlussvorrichtung 1 gesichert.The first longitudinal leg 3a has a recess 6 into which an inwardly projecting projection 7 of the first side wall 1a engages. The recess is rectangular here and lies to the side facing away from the insertion side for the conductor 2 side of the side wall 1a. The projection 7 also has a rectangular shape here. It is formed by punching a U-shaped punched hole in the first side wall 1a, whereupon it is punched on one side in a bending area 8 metal tab connected to the first side wall 1a is bent inwardly. In this case, the bending region 8 is the projection 7 to the insertion side of the conductor. In this way, it is possible to introduce during assembly, the clamping spring 3 in the metal cage 5 from the insertion side for the ladder forth, wherein the recess 6 slips over the projection 7 and there behind an undercut 9 forming edge is latched. The clamping spring 3 is thus secured in a simple manner against unintentional release from the metal cage 5 when switching off the connecting device 1.

An die zweite und vierte Seitenwand 5d des Metallkäfigs 5 ist an der Einführseite jeweils ein Steg 10a, 10b angeformt, deren Länge z.B. der Hälfte der Breite der Klemmfeder 3 entspricht und die senkrecht zu den jeweiligen Seitenwandebenen nach innen hin umgebogen sind. Diese Stege 10 dienen in einfacher Weise als Auflage für den Biegebereich 3c der Klemmfeder 3d.To the second and fourth side wall 5 d of the metal cage 5, a web 10 a, 10 b is formed on the insertion side, the length of each, e.g. half of the width of the clamping spring 3 corresponds and which are bent inwardly perpendicular to the respective sidewall planes. These webs 10 serve in a simple manner as a support for the bending region 3c of the clamping spring 3d.

Der zweite Längsschenkel 3b erstreckt sich schräg zur Einführrichtung für den Leiter in den Metallkäfig hinein und reicht hier im nicht beschalteten Zustand bis an die Stromschiene 4 und liegt an dieser an.The second longitudinal leg 3b extends obliquely to the insertion direction for the conductor into the metal cage and extends here in the non-connected state to the busbar 4 and is applied to this.

Er ist in sich hier zweifach wellenartig gebogen geformt. Beim Einführen des Leiters wird der zweite Längsschenkel 3b - auch Klemmschenkel genannt - in Einführrichtung nach unten hin ausgelenkt. Begrenzt wird seine Bewegung in dieser Richtung durch einen nach innen hin weisenden Vorsprung 11 an der vierten Seitenwand 5d, welcher als noch einseitig mit der Seitenwand in einem Biegebereich 12 verbundener und an drei Seiten U-förmig ausgestanzter Lappen ausgebildet ist.He is here doubly curved like a wave. When inserting the conductor of the second longitudinal leg 3b - also called clamping legs - deflected in the insertion direction downwards. Its movement in this direction is limited by an inwardly facing projection 11 on the fourth side wall 5d, which is formed as a still one-sided connected to the side wall in a bending region 12 and stamped on three sides U-shaped tabs.

Der Metallkäfig 5 ist ebenfalls als Biegeteil aus einem gestanzten Blech geformt, welches nach dem Ausstanzen in die Form des im querschnitt rechteckigen Metallkäfigs 5 gebogen wird, wobei die Schnittstelle der Ränder des Blechstreifens hier im Bereich der zweiten Seitenwand 5b liegt und wobei die beiden Ränder über eine schlossartige Verbindung 13 (Nut-/Federartig) ineinandergreifen.The metal cage 5 is also formed as a bent part of a stamped sheet, which is bent after punching in the shape of rectangular in cross section metal cage 5, wherein the interface of the edges of the metal strip is here in the region of the second side wall 5 b and wherein the two edges a castle-like compound 13 (tongue and groove) interlock.

Weitere Vorsprünge bzw. Ausstanzungen 36, 37 in den zweiten und vierten Seitenwänden 5b und 5d in den Eckbereichen zur ersten Seitenwand 5a an den von der Einführöffnung abgewandt liegenden Rändern der Seitenwände 5a, 5b drücken die Klemmfeder 3 im Bereich des Längsschenkels 3a gegen die erste Seitenwand 5a.Further projections or cutouts 36, 37 in the second and fourth side walls 5b and 5d in the corner regions to the first side wall 5a at the edges of the side walls 5a, 5b remote from the insertion opening press the clamping spring 3 in the region of the longitudinal leg 3a against the first side wall 5a.

Das aus der Einführöffnung 14 für den Leiter 2 vorstehende abgebogene Ende der Stromschiene sowie der Klemmschenkel 3b der Klemmfeder 3 bilden zusammen eine Art trichterförmigen Einführbereich für den Leiter 2, was das Einführen in die Anschlußvorrichtung 1 erleichtert.The protruding from the insertion opening 14 for the conductor 2 bent end of the busbar and the clamping legs 3b of the clamping spring 3 together form a kind of funnel-shaped insertion region for the conductor 2, which facilitates insertion into the terminal device 1.

Eine Auswölbung 15 in dem ersten Längsschenkel 3a der Klemmfeder oberhalb der Ausnehmung 6 dient der Spannungsoptimierung.A bulge 15 in the first longitudinal leg 3a of the clamping spring above the recess 6 serves to optimize the voltage.

Geschaffen wird eine in sich im wesentlichen vollständig funktionsfähige Anschlußvorrichtung für Leiter, die vielfältigst einsetzbar ist, ohne daß am Einsatzort irgendwelche größeren Anpassungen erforderlich sind. Beispielsweise ist es möglich, die Anschlußvorrichtung in einer Reihenklemme einzusetzen und im wesentlichen nur eine der Geometrie der Anschlußvorrichtung angepasste Ausnehmung zum Einsetzen der Anschlußvorrichtung vorzusehen (siehe auch die Ausführungen zu Fig. 22 und 23). Spezielle Stege u.dgl., welche z.B. als Anschlagelemente für irgendwelche beweglichen Teile der Anschlußvorrichtung dienen, sind nicht erforderlich.What is created is a substantially completely functional connection device for conductors, which can be used in a variety of ways without requiring any major adjustments at the site. For example, it is possible to use the connection device in a terminal block and to provide essentially only one of the geometry of the connection device adapted recess for insertion of the terminal device (see also the comments on Fig. 22 and 23 ). Special webs and the like, which serve as stop elements for any moving parts of the connecting device, for example, are not required.

Fig. 1c zeigt eine Einzeldarstellung der Stromschiene und die Klemmfeder 3 im geöffneten Zustand zum Beschalten (aber der Anschaulichkeit halber ohne Leiter). Dabei liegt der Klemmschenkel 3b an dem Vorsprung 11 an. Die Stromschiene 4 kann zur Montage einfach in den Metallkäfig 5b z.B. im geöffneten Zustand von unten eingeschoben werden. Fig. 1c shows an individual view of the busbar and the clamping spring 3 in the open state for wiring (but for the sake of clarity without a conductor). In this case, the clamping leg 3b bears against the projection 11. The busbar 4 can be easily inserted for mounting in the metal cage 5b eg in the open state from below.

Figur 1d zeigt, wie sich die Anschlußvorrichtung nach dem Einführen eines Leiters 2 verhält. Wie zu erkennen, liegt der Klemmschenkel 3b der Feder am Vorsprung 11 an, so daß eine besonders definierte Klemmkraft auf den Leiter ausgeübt wird, die den Leiter gegen die Stromschiene 4 preßt. Figure 1d shows how the terminal device behaves after insertion of a conductor 2. As can be seen, the clamping leg 3b of the spring is located on the projection 11, so that a particularly defined clamping force is exerted on the conductor, which presses the conductor against the busbar 4.

Figur 1e veranschaulicht, daß neben dem Leiter genügend Platz besteht, um mittels eines Betätigungswerkzeuges, insbesondere eines Schraubendrehers 16, den Klemmschenkel 3b zum Lösen des Leiters 2 gegen den Vorsprung 11 zu drücken. Beim Einführen des Leiters ist eine derartige Betätigung an sich nicht unbedingt notwendig, sondern es ist ebenfalls möglich, den hier besonders geeigneten eindrähtigen Leiter 2 oder einen feindrähtigen Leiter mit angecrimpter Aderendhülse einfach durch Einstecken in die Anschlußvorrichtung 1 einzuführen. Figure 1e illustrates that there is sufficient space next to the conductor to press by means of an operating tool, in particular a screwdriver 16, the clamping leg 3b for releasing the conductor 2 against the projection 11. When inserting the conductor such an operation per se is not absolutely necessary, but it is also possible to insert the here particularly suitable single-wire 2 or a fine-stranded conductor with crimped ferrule simply by plugging into the terminal device 1.

Figur 1f veranschaulicht die Integration der Anschlußvorrichtung 1 in ein Klemmengehäuse 17, welches eine Ausnehmung 18 sowie Einführöffnungen 19, 20 für den Schraubendreher 16 oder ein sonstiges Betätigungswerkzeug und den Leiter 2 aufweist. Mit dem Schraubendreher ist es insbesondere möglich, den Klemmschenkel 4b praktisch und sicher im wellenförmigen Bereich niederzudrücken und die Klemmstelle der Anschlußvorrichtung 1 zu öffnen. Durch die Federform und die Gestaltung des Metallkäfigs 5 sowie der Schraubendreher-Führung (Öffnung 19) in der Klemme wird eine Behinderung des Leiters 2 durch den Schraubendreher vermieden. FIG. 1f illustrates the integration of the terminal device 1 in a terminal housing 17, which has a recess 18 and insertion openings 19, 20 for the screwdriver 16 or other operating tool and the conductor 2. With the screwdriver, it is in particular possible to depress the clamping leg 4b practically and safely in the undulating region and to open the nip of the connecting device 1. Due to the spring shape and the design of the metal cage 5 and the screwdriver guide (opening 19) in the terminal obstruction of the conductor 2 is avoided by the screwdriver.

Figur 1g zeigt eine alternative Ausführungsform, bei welcher ein Betätigungsstück 21 auf dem wellenförmig gebogenen Klemmschenkel 3b aufliegt, welches an seiner Oberseite eine Einkerbung bzw. einen Schlitz 22 zur Auflage des Schraubendrehers aufweist und an einer Seite eine Rastnase 46 zur Ausfallsicherung gegen Ausfallen aus dem Klemmengehäuse. Figure 1g shows an alternative embodiment in which an actuating piece 21 rests on the wavy curved clamping leg 3b, which has on its upper side a notch or slot 22 for supporting the screwdriver and on one side a latching lug 46 for failing against failure from the terminal housing.

Wie in Figur 1h zu erkennen, kann das Betätigungsstück 21 in einer entsprechend geformten Ausnehmung 19' verschieblich geführt und eine besonders definierte und zuverlässige Betätigung der Anschlußvorrichtung ermöglichen.As in FIG. 1h can recognize, the actuating piece 21 in a correspondingly shaped recess 19 'slidably guided and allow a particularly defined and reliable operation of the connecting device.

Wie in Figur 1i zu erkennen, ist es auch denkbar, die Stromschiene beispielsweise direkt an einer weiteren Stromschiene 44 zu befestigen, wobei dann die Stromschiene 4 nicht L-förmig ausgebildet ist, d.h., sie weist keinen zweiten Schenkel 4b auf.As in FIG. 1i to recognize, it is also conceivable to fix the busbar, for example, directly to another busbar 44, in which case the busbar 4 is not L-shaped, that is, it has no second leg 4b.

Figur 1j veranschaulicht, daß ein Prüfabgriff 24 an verschiedensten Stellen der Anschlußvorrichtung angeordnet werden kann, so z.B. an einer Außenseite, beispielsweise außen an der ersten Seitenwand 5a. FIG. 1j illustrates that a Prüfabgriff 24 can be arranged at various points of the terminal device, such as on an outer side, for example, on the outside of the first side wall 5a.

Figur 1k veranschaulicht wie Figur 11 das Einführen eines Betätigungsstückes 21 in die Öffnung 19' des Klemmengehäuses 17. Die Rastnase 46 sichert dabei das Betätigungsstück gegen Ausfallen aus Reihenklemme. Figure 1k illustrates how FIG. 11 the insertion of an actuating piece 21 in the opening 19 'of the terminal housing 17. The detent 46 secures the actuating piece against failure of terminal block.

Figur 1m zeigt, daß die Oberseite des Betätigungsstückes 21 derart verbreitert ausgebildet sein kann, daß sich ein Markiererbereich 38 zum Anbringen eines Markierers bildet. Im Klemmengehäuse 17 ist eine entsprechende Ausnehmung 39 zur Aufnahme des Markiererbereiches 38 ausgebildet. Figure 1m shows that the top of the actuating piece 21 may be formed widened such that a marker region 38 is formed for attaching a marker. In the terminal housing 17, a corresponding recess 39 for receiving the Markiererbereiches 38 is formed.

Figur 1n veranschaulicht die Montage bzw. das Einführen der Anschlußvorrichtung 1a mit Stromschiene 4 von der Seite her in die einfach gestaltete, im wesentlichen rechtwinklige Ausnehmung 18 des Klemmengehäuses 17, wo die Anschlussvorrichtung 1 mit einem Vorsprung 45, der direkt aus der Außenseite des Metallkäfigs 5 herausgebogen ist, sicher in einer Ausnehmung der Reihenklemme verrastet wird, so dass sie gegen ein seitliches Ausfallen gesichert ist. Figure 1n 1 illustrates the mounting or insertion of the terminal device 1a with busbar 4 from the side into the simple, substantially rectangular recess 18 of the terminal housing 17, where the connecting device 1 with a projection 45 which is bent out directly from the outside of the metal cage 5 , is securely locked in a recess of the terminal block, so that it is secured against lateral failure.

Figur 1o zeigt im oberen Abschnitt die Klemmfeder 3 oder Kontaktfeder nebst Metallkäfig 5 und im unteren Teil die L-förmig geformte Stromschiene 4 in Einzeldarstellung. Figure 1o shows in the upper section, the clamping spring 3 or contact spring together with metal cage 5 and in the lower part of the L-shaped busbar 4 in a single representation.

Das Ausführungsbeispiel der Figur 2 entspricht weitgehend dem Ausführungsbeispiel der Figur 1, allerdings ist hier der zweite Klemmschenkel 3b nicht in sich wellenförmig gebogen sondern eben ausgebildet, so daß keine Auflagefläche für den Schraubendreher 16 ausgebildet wird. Die Variante ist trotzdem funktionsfähig, wenn nach Art der Figur 2b die Einführöffnung 19 für den Schraubendreher 16 sich in Einführrichtung verjüngend ausgebildet wird, so daß die Einführbewegung des Schraubendrehers 16 in das Klemmengehäuse 17 begrenzt ist.The embodiment of FIG. 2 corresponds largely to the embodiment of FIG. 1 However, here is the second clamping leg 3b is not curved in a wave-like but planar, so that no support surface for the Screwdriver 16 is formed. The variant is still functional, if by type FIG. 2b the insertion opening 19 for the screwdriver 16 is tapered in the insertion direction, so that the insertion movement of the screwdriver 16 is limited in the terminal housing 17.

Zur Realisierung eines definierten Spannungszustandes ist nach den Varianten der Figur 2c vorgesehen, die Klemmfeder im Bereich der Biegung bzw. im Biegebereich 3c verdickt auszubilden. In Figur 2d wird dieser Effekt durch die Auswölbung 15 im ersten Längsschenkel erreicht und in Figur 2e durch eine Verjüngung 40 im Bereich des ersten und des zweiten Klemmschenkels jeweils auf beiden Seiten der Klemmschenkel im Anschluss an den Biegebereich 3b. In Figur 2f wird der definierte Spannungszustand durch zwei tropfenförmige bohrungsartige Öffnungen 41 in der Mitte der Schenkel 2a und 2b realisiert.For the realization of a defined state of tension according to the variants of Figure 2c provided to form the clamping spring in the region of the bend or in the bending region 3c thickened. In Figure 2d this effect is achieved by the bulge 15 in the first longitudinal leg and in FIG. 2e by a taper 40 in the region of the first and the second clamping leg in each case on both sides of the clamping legs following the bending region 3b. In FIG. 2f the defined stress state is realized by two drop-shaped bore-like openings 41 in the middle of the legs 2a and 2b.

Figur 3 zeigt eine Variante, bei der sich das Metallgehäuse bzw. der Metallkäfig 5 von der Einführseite 14 her zur Stromschiene 4 nach unten hin einseitig verjüngt (im Bereich der Seitenwände 5b und 5d) . Entsprechend bleibt zwar der Querschnitt des Metallkäfigs 5 rechteckig. Auch der Querschnitt verjüngt sich aber in Einführrichtung hin. Hier wird eine besonders kompakt bauende Anschlußvorrichtung realisiert, deren Aufbau aber ansonsten dem Ausführungsbeispiel der Figur 1 entspricht. FIG. 3 shows a variant in which the metal housing or the metal cage 5 tapers from the insertion side 14 to the busbar 4 downwards on one side (in the region of the side walls 5b and 5d). Accordingly, although the cross section of the metal cage 5 remains rectangular. The cross section also tapers in the insertion direction. Here, a particularly compact connecting device is realized, the structure but otherwise the embodiment of FIG. 1 equivalent.

In Figur 4 ist sogar vorgesehen, daß sich das Klemmengehäuse doppelseitig verjüngt, d.h. die Seitenwände 5b und 5d weisen jeweils eine Trapezform auf, was nochmals gegenüber Fig. 3 raumsparender und kompakter ist.In FIG. 4 It is even envisaged that the terminal housing tapers on both sides, that is, the side walls 5b and 5d each have a trapezoidal shape, which again opposite Fig. 3 is space-saving and more compact.

Nach Figur 5a und b ist an die der Einführöffnung 14 gegenüberliegenden Seite der Anschlussvorrichtung 1 an den Metallkäfig 5, an die Klemmfeder 3 und an die Stromschiene 4 ein jeweils weiterer Schenkel 5e, 4c und 3d angeformt, die aufeinander zugebogen sind, wobei zwischen dem Federschenkel 3d und dem Stromschienenschenkel 4c der Stromschiene 4 eine Anschlussmöglichkeit für einen Stiftstecker 25 besteht. Der Schenkel 5e des Metallkäfigs dient dabei als Anschlag stecker 25 besteht. Der Schenkel 5e des Metallkäfigs dient dabei als Anschlag zur Bewegung des Federschenkels 3d.To FIG. 5a and b is on the opposite side of the insertion opening 14 of the connecting device 1 to the metal cage 5, to the clamping spring 3 and the busbar 4, a further leg 5e, 4c and 3d formed, which are bent towards each other, wherein between the spring leg 3d and the busbar leg 4c the busbar 4 is a connection option for a male connector 25. The leg 5e of the metal cage serves as a stop plug 25 is made. The leg 5e of the metal cage serves as a stop for moving the spring leg 3d.

Die Figur 6a und b veranschaulichen, daß bei einer entsprechenden Variante einer Stromschiene 4, welche die der Einführöffnung 14 gegenüberliegende Seite des Metallkäfigs 5 nicht verschließt, der Bereich zwischen einem abgebogenen Ende 26 des ersten Längsschenkels 3a und der ersten Seitenwand 5a als Steckmöglichkeit für einen Prüfabgriff oder für einen Querverbinder 27 nutzbar ist.The FIGS. 6a and b illustrate that in a corresponding variant of a busbar 4, which does not close the insertion opening 14 opposite side of the metal cage 5, the area between a bent end 26 of the first longitudinal leg 3a and the first side wall 5a as a plug for a Prüfabgriff or for a cross connector 27th is usable.

Figur 7a veranschaulicht, daß auch zwischen den Biegebereich 3c und die erste Seitenwand 5a ein derartiger Querverbinder 27 oder ein Prüfstecker eingesteckt werden kann. Figure 7a illustrates that even between the bending region 3c and the first side wall 5a, such a cross connector 27 or a test plug can be inserted.

Figur 8 kombiniert die Varianten aus Figur 6 und 7 und erlaubt den Eingriff von Querverbindern 27 oder Prüfsteckern sowohl nach Art der Fig. 6 als auch nach Art der Fig. 7. FIG. 8 combines the variants FIG. 6 and 7 and allows the engagement of cross connectors 27 or test plugs both on the type of Fig. 6 as well as the type of Fig. 7 ,

Figur 9 veranschaulicht, daß die Ausführungsformen der Figur 6 anstelle zum Einbringen eines Querverbinders 27 auch zum Einführen eines weiteren Leiters 28 nutzbar sind. FIG. 9 illustrates that the embodiments of the FIG. 6 instead of introducing a transverse connector 27, it is also possible to insert another conductor 28.

Analog zeigt Figur 10 das Einführen eines weiteren Leiters 28 zwischen dem Biegebereich 3c der Klemmfeder 3 und der ersten Seitenwand 5a.Analog shows FIG. 10 the insertion of another conductor 28 between the bending region 3c of the clamping spring 3 and the first side wall 5a.

Figur 11 kombiniert die Varianten aus Figur 9 und Figur 10, d.h. es werden Leiter 28 sowohl in Einführrichtung zwischen dem Biegebereich 3c und die erste Seitenwand 1a als auch an der gegenüberliegenden Seite zwischen das abgebogene Ende 26 und die Seitenwand 1a gesteckt. FIG. 11 combines the variants FIG. 9 and FIG. 10 ie, conductors 28 are inserted between the bent end 26 and the side wall 1a both in the insertion direction between the bending portion 3c and the first side wall 1a and on the opposite side.

Figur 12 veranschaulicht, daß direkt an die der Einführöffnung 14 gegenüberliegenden Enden des Metallkäfigs 5 Löt- oder Preßbeinchen 29 angeformt sein können, die in eine Leiterplatte 23 bzw. Öffnungen 31 der Leiterplatte 23 einsetzbar und dort verlötbar, verpreß- oder vernietbar sind. Nach Figur 12 sind neben den Lötbeinen noch Steckbeine 30 mit Vorsprüngen 43 ausgebildet, die Hinterschnitte 32 realisieren, welche beim Durchstecken entsprechender Schlitze 33 an der Leiterplatte 30 verrastbar sind. Ein Übergehäuse 34 - Fig. 13 - kann über eine oder mehrere dieser Anschlußvorrichtungen gesteckt werden. Dieses Übergehäuse 34 kann beispielsweise aus Isolierstoff bestehen. FIG. 12 illustrates that directly on the insertion opening 14 opposite ends of the metal cage 5 soldering or Preßbeinchen 29 may be formed, which can be used in a circuit board 23 and openings 31 of the circuit board 23 and can be soldered, pressed or riveted there. To FIG. 12 In addition to the solder legs still plug legs 30 are formed with projections 43 which realize undercuts 32 which are latched when inserting corresponding slots 33 on the circuit board 30. An over-housing 34 - Fig. 13 - Can be plugged in via one or more of these connection devices. This outer housing 34 may for example consist of insulating material.

Figur 14 veranschaulicht, daß die Stromschiene 4 auch einstückig mit dem Metallkäfig ausgebildet sein kann bzw. ein Teil des Metallkäfigs bilden kann, wenn dieser aus einem gut leitenden Werkstoff besteht. FIG. 14 illustrates that the busbar 4 may also be formed integrally with the metal cage or form part of the metal cage, if it consists of a highly conductive material.

Figur 15 veranschaulicht eine weitere an eine Leiterplatte 23 anlötbare Variante mit Lötbeinen 29 und einem Vorsprung 35 zum Festrasten eines Über-Isolierstoffgehäuses an einer der Seitenwände des Metallkäfigs 5, die auch leitende Funktion als Stromschiene übernimmt. FIG. 15 illustrates a further solderable to a circuit board 23 variant with solder legs 29 and a projection 35 for locking a Über-Isolierstoffgehäuses on one of the side walls of the metal cage 5, which also assumes a conductive function as a busbar.

Figur 16 und 17 veranschaulichen, daß anstelle von Lötbeinen 29 SMD-artige Befestigungsstücke 35 zu einer SMD-artigen Befestigung an der Leiterplatte nutzbar sind (siehe auch Figur 17). FIG. 16 and 17 illustrate that instead of solder legs 29 SMD-type attachment pieces 35 can be used for an SMD-like attachment to the circuit board (see also FIG. 17 ).

Figur 18a uns b veranschaulichen, daß die Anschlußvorrichtung nach Art der Figur 1a ebenfalls auf eine Leiterplatte oder auf einen Steg oder eine Stromschiene 44 aufsetzbar ist. FIG. 18a b illustrate that the connecting device in the manner of FIG. 1a also on a circuit board or on a web or a busbar 44 can be placed.

Figur 19 veranschaulicht mehrere auf einer Leiterplatte aneinandergereihte Anschlußvorrichtungen, wobei die zweiten Längsschenkel 4b der Stromschienen 4 der Anschlussvorrichtungen einstückig zu einer leitenden Platte 42 einstückig miteinander verbunden ist. FIG. 19 illustrates a plurality of juxtaposed on a circuit board connecting devices, wherein the second longitudinal leg 4b of the busbars 4 of the connecting devices is integrally connected to a conductive plate 42 integrally with each other.

Figur 22 veranschaulicht eine Reihenklemme mit zwei Anschlußvorrichtungen 1, die sich nach unten hin verjüngen. Es ist gut erkennbar, daß diese Reihenklemme im Vergleich zur Figur 23 mit sich nicht verjüngenden Anschlußvorrichtungen 1 nach Art der Figur 1 schmaler baut. FIG. 22 illustrates a terminal block with two terminal devices 1, which taper downwards. It is well recognizable that this terminal block in comparison to FIG. 23 with non-tapered connection devices 1 on the type FIG. 1 narrower builds.

Fig. 24 zeigt ein Ausführungsbeispiel der Erfindung, bei welchem die Klemmfeder 3 an den Metallkäfig angeprägt ist, und zwar mittels preiswerten und haltbaren Verprägungen 47 im Bereich des an der ersten Seitenwand 5a anliegenden Längsschenkels 3a. Die Ausstanzungen 36, 37 in den zweiten und vierten Seitenwänden 5b und 5d in den Eckbereichen zur ersten Seitenwand 5a sind nicht erforderlich. Eine weitere Verprägung 50 kann zwischen der Stromschiene 4 und dem Metallkäfig 5 vorgesehen sein. Fig. 24 shows an embodiment of the invention in which the clamping spring 3 is impressed on the metal cage, by means of inexpensive and durable stampings 47 in the region of the adjacent to the first side wall 5a longitudinal leg 3a. The cutouts 36, 37 in the second and fourth side walls 5b and 5d in the corner areas to the first side wall 5a are not required. Another embossment 50 may be provided between the busbar 4 and the metal cage 5.

Weitere Ausstanzungen 48 z.B. in den zweiten und/oder vierten Seitenwänden 5b und 5d in den Eckbereichen zur Stromschiene 4 hin sind derart angeordnet und nach innen hin umgebogen, dass zwischen ihnen und der Stromschiene 4 ein Einführund -aufnahmeraum 49 für den Leiter definiert wird, welcher das Einführen des Leiters 2 erleichtert und den definierten Sitz des Leiters 2 in der Anschlußvorrichtung verbessert (Fig. 25).Further punch-outs 48, for example in the second and / or fourth side walls 5b and 5d in the corner regions towards the busbar 4, are arranged and bent inwardly such that an insertion and receiving space 49 for the conductor is defined between them and the busbar 4 facilitates the insertion of the conductor 2 and improves the defined fit of the conductor 2 in the connection device ( Fig. 25 ).

Auch nach Fig. 24 bis 26 kann die schlossartige Verbindung nach Art der Fig. 1a vorgesehen sein. Alternativ wird die zweite Wand und 5b in ihrem freien Ende selbst als Ersatz des Steges 10b aus Fig. 1 zum Inneren des Metallkäfigs 5 hin gebogen, um derart einen besonders sicheren Auflagebereich für den Biegebereich 3c der Klemmfeder 3 zu realisieren und gleichzeitig den Metallkäfig 5 zu schließen und zu stabilisieren (Fig. 26). Der Steg 10a kann bestehen bleiben, z.B. wird er aber hier einfach als Ausstanzung vom oberen Rand der Wand 5d nach innen geklappt (Fig. 25).Also after FIGS. 24 to 26 can the castle-like connection on the type of Fig. 1a be provided. Alternatively, the second wall and 5b in its free end itself as a replacement of the web 10b Fig. 1 bent toward the interior of the metal cage 5 in order to realize such a particularly secure support area for the bending area 3c of the clamping spring 3 and at the same time to close and stabilize the metal cage 5 ( Fig. 26 ). The web 10a can remain, but it is here, for example, simply as a punched-out from the upper edge of the wall 5d folded inwards ( Fig. 25 ).

Nach Fig. 27a-c ist die Stromschiene 4 in Richtung ihrer Längserstreckung auf ihrer dem einzuführenden Leiter zugewandten Bereich mit einer Art Rille oder Nut 138 versehen, welche der Zentrierung eines einzuführenden Leiters dient.To Fig. 27a-c the busbar 4 is provided in the direction of its longitudinal extent on its region facing the inserted conductor with a kind of groove or groove 138, which serves to center a conductor to be introduced.

Ergänzend weist der Klemmschenkel 3b an seinen zur Stromschiene 4 gewandten Ende zwei seitliche, angeschrägte Zentrierspitzen 139, 40 auf, welche jeweils in entsprechend ausgeformte korrespondierende Ausnehmungen 141, 142 in den Ecken der Stromschiene 4 eingreifen (siehe auch Fig. 28a).In addition, the clamping leg 3b at its end facing the busbar 4 has two lateral, bevelled centering tips 139, 40, which respectively engage in correspondingly shaped corresponding recesses 141, 142 in the corners of the busbar 4 (see also FIG Fig. 28a ).

Ein einzuführender Leiter 128 wird zwischen den Zentrierspitzen 139, 140 und der Rille 138 zentriert.A conductor 128 to be inserted is centered between the centering tips 139, 140 and the groove 138.

Optional können erhabene Riefen 143 in der Stromschiene 4 - in Einführrichtung vor und hinter den Ausnehmungen 141, 142 angeordnet - den Kontakt des Leiters zur Stromschiene 4 verbessern (siehe Fig. 28b).Optionally, raised grooves 143 in the busbar 4 - in front of and behind the recesses 141, 142 disposed in the insertion direction - improve the contact of the conductor to the busbar 4 (see Fig. 28b ).

Durch das Zusammenspiel der Zentrierspitzen 139, 140 mit der Rille 138 werden die Leiter auf einem besonders großen Teil ihres Umfanges eingefasst.The interaction of the centering tips 139, 140 with the groove 138, the conductors are enclosed on a particularly large part of its circumference.

Ein besondere Vorteil ist auch darin zu sehen, dass nicht nur Leiter 128 verschiedenen Durchmessers (Fig. 29a und c) sondern auch mehrere Leiter 128a, b auf diese Weise in einer einzigen Anschlussvorrichtung 1 beschaltet werden können (Fig. 29b und d).A particular advantage is also to be seen in that not only conductors 128 of different diameters ( Fig. 29a and c ) but also a plurality of conductors 128a, b can be connected in this way in a single connection device 1 ( Fig. 29b and d ).

Auch das Beschalten mit einem oder mehreren dünnen Leitern wird auf diese Weise deutlich vereinfacht (Fig. 29a und b).Wiring with one or more thin conductors is also considerably simplified in this way ( Fig. 29a and b ).

BezugszeichenlisteLIST OF REFERENCE NUMBERS

Anschlussvorrichtungconnection device
11
Leiterladder
22
Klemmfederclamping spring
33
Längsschenkellongitudinal leg
3a und 3b3a and 3b
Biegebereichbending area
3c3c
Stromschieneconductor rail
44
Kontaktschenkelcontact legs
4a4a
Schenkelleg
4b4b
Metallkäfigmetal cage
55
Seitenwändensidewalls
5a - 5d5a-5d
Ausnehmungrecess
66
Vorsprunghead Start
77
Biegebereichbending area
88th
Hinterschneidungundercut
99
Stegweb
1010
Vorsprunghead Start
1111
Biegebereichbending area
1212
Verbindungconnection
1313
Einführöffnunginsertion
1414
Auswölbungbulge
1515
Schraubendreherscrewdriver
1616
Klemmengehäuseterminal housing
1717
Ausnehmungrecess
1818
Einführöffnungeninsertion
19, 2019, 20
Betätigungsstückoperating pieces
2121
Vorsprunghead Start
21'21 '
Schlitzslot
2222
Leiterplattecircuit board
2323
PrüfabgriffTest tap
2424
Stiftsteckerpin connector
2525
EndeThe End
2626
Querverbindercross-connector
2727
Leiterladder
2828
Lötbeinesoldering legs
2929
Steckbeinplug leg
3030
Öffnungopening
3131
Hinterschnittundercut
3232
Schlitzslot
3333
ÜbergehäuseAbout housing
3434
Befestigungsstückfastening piece
3535
Ausstanzungenouts
36, 3736, 37
MarkiererbereichMarkiererbereich
3838
Ausnehmungrecess
3939
Verjüngungentapers
4040
Öffnungenopenings
4141
Platteplate
4242
Vorsprunghead Start
4343
Stromschieneconductor rail
4444
Vorsprunghead Start
4545
Rastnaselocking lug
4646
VerprägungenError Coins
4747
Ausstanzungenouts
4848
Einführrauminsertion space
4949
VerprägungVerprägung
5050
Rillegroove
138138
Zentrierspitzencentering
139, 140139, 140
Ausnehmungenrecesses
141, 142141, 142
Riefencried
143143

Claims (31)

  1. Connecting device (1) for a lead-wire (2), which:
    a) comprises a clamping spring (3) and a current rail (4), which is/are arranged in a metallic cage (5) having a square-shaped cross-section with four sidewalls (5a - 5d) and is open on at least one axial end to form an insertion opening (14) for the lead-wire (2),
    b) such that the clamping spring (3) has two longitudinal arms (3a and 3b), one of which is designed as a clamping arm (3b), the arms being orientated at an acute angle to one another and being connected to one another by a bend (3c),
    c) such that the first longitudinal arm (3a) of the clamping spring (3) is fixed onto the inside of the first sidewall (5a) of the metallic cage (5) and a section thereof is directly in contact against the inside of the sidewall (5a), and
    d) the bent portion (3c) of the clamping spring (3) rests directly on a web (10a, 10b) formed on the metallic cage (5),
    characterised in that
    e) a projection (11) is provided on the inside of one of the sidewalls (5d) of the metallic cage to form an abutment which limits the deflection of the clamping arm (3b), and
    f) punched-out tabs (48) in the second and/or fourth sidewall (5b and 5d) are arranged in the corner areas and bent in towards the current rail (4), in such manner as to define an insertion and holding space (49) for the lead-wire between them and the current rail (4).
  2. Connecting device according to Claim 1, characterised in that a projection (7) on the first sidewall, which engages in a recess (6), forms an undercut (9) the said recess (6).
  3. Connecting device according to either of the preceding Claims, characterised in that the current rail (4) is L-shaped and, with its contact arm (4a), rests in contact with one of the sidewalls.
  4. Connecting device according to any of the preceding claims, characterised in that the second arm (4b) of the current rail (4) extends across the axial opening of the metallic cage (5) that faces away from the insertion opening (14) and forms an end-stop for the lead-wire (2).
  5. Connecting device according to any of the preceding claims, characterised in that the metallic cage (5) is made from a metal with good conductivity, such as copper, and has a current-conducting function.
  6. Connecting device according to any of the preceding claims, characterised in that one of the webs (10a, 10b) is formed, respectively, on the second sidewall (5b) and fourth sidewall (5d) of the metallic cage (5) on the insertion side.
  7. Connecting device according to any of the preceding claims, characterised in that the length of the webs (10) preferably corresponds to half the width of the clamping spring (3), and the webs are bent inwards relative to the sidewall plane and serve as a supporting surface for the bend area (3c) of the clamping spring (3).
  8. Connecting device according to any of the preceding claims, characterised in that the clamping arm (3b) of the clamping spring is flat.
  9. Connecting device according to any of the preceding claims, characterised in that the second longitudinal arm is corrugated and so forms at least one purchase point for a screwdriver (16) or for an actuating element (21) when actuating the clamping spring (3).
  10. Connecting device according to any of the preceding claims, characterised in that the metallic cage (5) is formed as a component bent out of a stamped sheet, such that the two edges of the sheet strip engaged in one another forming an interlocking joint (13).
  11. Connecting device according to any of the preceding claims, characterised in that stamped tabs (36, 37) formed in the sidewalls (5b, 5d) of the metallic cage (5) press the clamping spring (3) against other sidewalls of the metallic cage (5), and/or the clamping arm (3b) of the clamping spring (3) rests against the current rail (4) in the disconnected condition.
  12. Connecting device according to any of the preceding claims, characterised in that the connecting device is inserted in a recess (18) of a terminal housing (17), and cut-outs (19, 20) are formed in the insertion direction for the insertion of a lead-wire and of a screwdriver or actuating element into the terminal housing, such cut-outs (19, 19', 20) being formed in the insertion direction for the insertion of a lead-wire (2) and/or a screwdriver (16) and/or an actuating element (21) into the terminal housing (17).
  13. Connecting device according to Claims 9 or 12, characterised in that the actuating element (21) that acts upon the clamping arm (3b) is inserted in the cut-out (19), and the actuating element (21) preferably acts upon the corrugated area of the clamping arm (3b).
  14. Connecting device according to Claims 9 or 12 - 13, characterised in that the upper side of the actuating element (21) is made wider so as to form a marking zone (38) for the application of a marker, and the terminal housing (17) is preferably provided with a corresponding cut-out (39) for receiving the marking zone (38).
  15. Connecting device according to any of the preceding claims, characterised in that the metallic cage (5) tapers in the insertion direction on one or both sides.
  16. Connecting device according to any of the preceding claims, characterised in that in the area of contact against the terminal housing, the clamping spring has a bulge (15) of a taper (40) or openings (41) in the area of the first longitudinal arm.
  17. Connecting device according to any of the preceding claims, characterised in that the clamping spring (3) is thicker in its bend area (3c).
  18. Connecting device according to any of the preceding claims, characterised in that the connecting device is provided with a tap-off connection for testing.
  19. Connecting device according to any of the preceding claims, characterised in that on the side of the connecting device opposite the insertion opening (14), further arms (5e, 4c and 3d) are formed, respectively, on the metallic cage (5), the clamping spring (3) and the current rail (4), these being bent over one another, such that between the further spring arm (3d) and the further arm (4c) of the current rail (4) a connection possibility for a pin plug (25) is formed, and such that the arm (5e) of the metallic cage (5) serves as an end-stop for the movement of the spring arm (3d).
  20. Connecting device according to any of the preceding claims, characterised in that a transverse connector (27) and/or a further lead-wire (28) can be inserted between the bend zone (3c) and on of the sidewalls of the metallic cage (5).
  21. Connecting device according to any of the preceding claims, characterised in that in the direction opposite to the insertion direction, a lead-wire and/or a tapping connection for testing (27) can be inserted between a bent-up end (26) of the clamping spring (3) and a sidewall (5a) of the metallic cage (5).
  22. Connecting device according to any of the preceding claims, characterised in that soldering tabs (29) and/or other plug devices are formed on the metallic cage, or SMD contact areas (35) are formed on the connecting device, or the current rails (4) of connecting devices (1) connected in series with one another are joined together integrally in the manner of a plate (42).
  23. Connecting device according to any of the preceding claims, characterised in that a projection (45) is formed on the outside of the metallic cage (5), which can be locked into a recess of a terminal housing (17) or some other casing.
  24. Connecting device according to any of the preceding claims, characterised in that the clamping spring (3) is stamped onto the metallic cage, in particular by means of stamped studs (47) in the area of the longitudinal arm (3a) in contact with the first sidewall (5a).
  25. Connecting device according to any of the preceding claims, characterised in that at its free end the second wall (5b) is bent in towards the inside of the metallic cage (5), in order to form a contact area for the bend zone (3c) of the clamping spring (3).
  26. Connecting device according to Claim 24, characterised in that a further stud (50) is provided between the current rail (4) and the metallic cage (5).
  27. Connecting device (1) according to Claim 1 or according to the preamble of Claim 1, characterised in that at its free end the clamping arm (3b) has centring projections (139, 140).
  28. Connecting device (1) according to Claim 27, characterised in that at least in the disconnected condition the centring projections (139, 140) engage in each case in corresponding recesses (141, 142) of matching shape formed in the current rail (4).
  29. Connecting device (1) according to any of the preceding claims, characterised in that the first longitudinal arm (3a) of the clamping spring (3) is fixed onto the inside of the first sidewall (5a) of the terminal cage (5) and a section thereof is directly in contact with the inside of the sidewall (5a), and the bend zone (3c) of the clamping spring (3) rests on at least one web (10a, 10b) formed directly on the terminal cage (5).
  30. Connecting device (1) according to any of the preceding claims, characterised in that in the direction of its longitudinal extension the current rail (4) is provided with a groove (138) in its area facing towards a lead-wire (28) to be inserted, such that the at least one lead-wire (28) can be centred between the centring projections (139, 140) and the groove (138).
  31. Connecting device according to any of the preceding claims, characterised in that in the current rail (4) raised serrations (143) are formed ahead of and/or behind the recesses (141, 142).
EP03007741A 2002-04-12 2003-04-04 Wire connecting device Expired - Lifetime EP1353407B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE20205821U 2002-04-12
DE20205821U DE20205821U1 (en) 2002-04-12 2002-04-12 Connection device for an electrical conductor has spring contact within body
DE20211513U DE20211513U1 (en) 2002-07-13 2002-07-13 Connector for conductor has spring leg attached to inside of cage side wall, directly in contact with side wall in sections, bend in contact with bridge on cage, cage side wall protrusion as leg stop
DE20211513U 2002-07-13

Publications (2)

Publication Number Publication Date
EP1353407A1 EP1353407A1 (en) 2003-10-15
EP1353407B1 true EP1353407B1 (en) 2011-01-19

Family

ID=28455793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03007741A Expired - Lifetime EP1353407B1 (en) 2002-04-12 2003-04-04 Wire connecting device

Country Status (4)

Country Link
US (1) US6796855B2 (en)
EP (1) EP1353407B1 (en)
AT (1) ATE496406T1 (en)
DE (1) DE50313417D1 (en)

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RU2500058C2 (en) * 2008-08-27 2013-11-27 Ваго Фервальтунгсгезелльшафт Мбх Clamping constructive element
DE202012103314U1 (en) 2012-08-30 2013-12-02 Weidmüller Interface GmbH & Co. KG Connecting device for a conductor
DE202013101751U1 (en) 2013-04-23 2014-07-24 Weidmüller Interface GmbH & Co. KG Direct plug-pressure spring clip
DE202016105702U1 (en) 2016-10-12 2018-01-15 Wago Verwaltungsgesellschaft Mbh Contact insert of a conductor connection terminal and conductor connection terminal
US10193244B2 (en) 2015-07-07 2019-01-29 Te Connectivity Germany Gmbh Push-in clamp retainer, push-in clamp assembly and electric connector element

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DE10315668B4 (en) * 2002-08-28 2007-06-06 Conrad Stanztechnik Gmbh terminal
FR2875059B1 (en) * 2004-09-08 2006-12-22 Abb Entrelec Soc Par Actions S SPRING CONNECTION DEVICE FOR CONDUCTIVE WIRE
DE202005005369U1 (en) * 2004-11-13 2006-03-16 Weidmüller Interface GmbH & Co. KG Connecting device for direct plug connection of conductor ends and electrical device with such a connection device
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EP1353407A1 (en) 2003-10-15
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US20030194918A1 (en) 2003-10-16
US6796855B2 (en) 2004-09-28

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