EP3619772A1 - Borne de raccordement pour conducteurs - Google Patents

Borne de raccordement pour conducteurs

Info

Publication number
EP3619772A1
EP3619772A1 EP18719832.0A EP18719832A EP3619772A1 EP 3619772 A1 EP3619772 A1 EP 3619772A1 EP 18719832 A EP18719832 A EP 18719832A EP 3619772 A1 EP3619772 A1 EP 3619772A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
clamping
clamping spring
conductor
busbar piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18719832.0A
Other languages
German (de)
English (en)
Other versions
EP3619772B1 (fr
Inventor
Thomas Witte
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.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
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 Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Publication of EP3619772A1 publication Critical patent/EP3619772A1/fr
Application granted granted Critical
Publication of EP3619772B1 publication Critical patent/EP3619772B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped 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
    • H01R4/4819—Clamped 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 the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets

Definitions

  • the invention relates to a Leiteran gleichklennnne having at least one busbar nen administrat, at least one clamping spring and at least one sleeve, wherein the clamping spring has a busbar piece aligned clamping leg, wherein between the busbar piece and the clamping leg a clamping point for clamping an electrical conductor is formed the clamping spring has a subsequent to the clamping leg spring bow and an adjoining the spring bow plant leg.
  • a generic conductor connection terminal is known from DE 196 10 958 A1.
  • the invention has for its object to design a simple as possible constructed conductor terminal particularly easy to install.
  • the conductor terminal according to the invention can already be used on its own as a conductor terminal, it can also be used as a contact insert of a conductor terminal formed with further features.
  • the sleeve thus forms a cover for the arrangement of the busbar piece and the clamping spring.
  • an increased stability of the arrangement is achieved by support at several points and a protection of the clamping spring, in particular of the spring bow and the immediately adjacent to the spring bow areas of the support leg and the clamping leg.
  • the individual elements such as busbar piece, clamping spring and sleeve can each be one-piece components.
  • the clamping spring and the busbar piece are made of metal, the sleeve can optionally be made of insulating material (plastic) or metal.
  • the conductor terminal Since no further fixing means are required in addition to the fixation by the positive connection, the conductor terminal is easy to assemble or disassemble in handling.
  • the conductor terminal can be operated in different ways with respect to the opening and closing of the nip.
  • a lever operation is possible by the conductor terminal is supplemented by an actuating lever.
  • the actuating lever may, for example, be mounted on the sleeve.
  • actuation may be via an external tool that is not part of the conductor terminal.
  • the sleeve has a Umschhneungs Scheme in which at least a portion of the clamping spring and / or a portion of the busbar piece is received.
  • the clamping spring and / or the busbar piece are fixed against rotation in the longitudinal direction and also protected from environmental influences.
  • the enclosing region may in particular enclose the spring bow of the clamping spring and optionally also adjoining sections of the clamping leg and / or the abutment leg.
  • the enclosure region of the sleeve can enclose the mentioned parts of the clamping spring or the busbar piece over their entire circumference (annular), or at least partially enclose them, if the enclosing region has, for example, an interruption on the circumferential side.
  • the sleeve has a conductor insertion region, on which a conductor insertion opening for introducing an electrical conductor into the sleeve is present up to the nip.
  • the conductor insertion opening may be e.g. be cylindrical or funnel-shaped, to guide an electrical conductor targeted to the nip.
  • the enclosure region and the conductor insertion region of the sleeve may overlap one another or be arranged separately from one another.
  • the enclosing region viewed from the nip, extends only over part of the longitudinal extension of the sleeve. Accordingly, the sleeve encloses at least a portion of the clamping spring and / or a portion of the busbar piece only over this portion.
  • the conductor insertion portion begins with the conductor insertion opening at one end of the sleeve, which faces away from the clamping point.
  • the conductor insertion area may extend the full length of the sleeve.
  • the conductor insertion direction and the direction of the passage of the electrical conductor to the nip may extend in particular in the longitudinal direction of the sleeve.
  • the sleeve may have a first longitudinal area and a second longitudinal area in the enclosure area. At least a portion of the spring is received in the first longitudinal region. In the second longitudinal region, the conductor insertion opening is formed.
  • the busbar piece has at least one clamping spring retaining element, via which the busbar piece is positively connected to the clamping spring, and / or the busbar piece has at least one sleeve-holding element over which the busbar piece with the sleeve form-fitting connected is. In this way, a secure positive connection between the conductor rail piece and the clamping spring and / or the sleeve can be produced.
  • a first sleeve-holding element of the busbar piece has at least one projecting from the busbar piece first retaining finger or is designed as such a first retaining finger.
  • the enclosure portion of the sleeve may have a stop surface for the busbar piece, e.g. for the holding finger.
  • the first holding finger may in particular be at an angle, e.g. at a right angle or an oblique angle, from a plane of the busbar piece on which the clamping point is formed (conductor connection region of the busbar piece).
  • a second sleeve-holding element of the busbar piece has at least one slot-shaped recess.
  • the busbar piece can be positively coupled to the sleeve at a second location by a corresponding holding element of the sleeve can engage in the slot-shaped recess.
  • the sleeve has at least one busbar holding element, via which the Sleeve is positively connected to the busbar piece, and / or the sleeve has at least one clamping spring-holding element, via which the sleeve is positively connected to the clamping spring.
  • the sleeve can be positively connected to the busbar piece and / or the clamping spring.
  • the sleeve has a second holding region, which protrudes from the enclosing region, the second holding region having at least one clamping spring holding element of the sleeve and / or at least one busbar holding element of the sleeve.
  • the holding region can be formed, for example, in the shape of a plate or a tabular shape.
  • a clamping spring holding element of the sleeve has at least one indentation and / or a conductor rail holding element of the sleeve at least one hooking element, wherein the holding region between the hooking element and the indentation can have a dividing wall.
  • the indentation and / or the hooking element can in particular be arranged on the second holding region of the sleeve.
  • the partition wall form a separation between the hooking element and the indentation.
  • the busbar piece has at its side directed to the partition at least one recess in which at least a part of the partition dips.
  • the depression which may be formed, for example, as embossing, may, for example, run in groove-like manner in the extension direction of the partition wall, so that the partition wall can dip into the depression over a specific longitudinal extension region.
  • Another positive effect of the recess in the busbar piece is a higher rigidity of the current Rail piece achieved in this area, which contributes to the relief of other support means between the busbar device and the sleeve.
  • the clamping spring has at least one busbar holding element, via which the clamping spring is positively connected to the busbar piece, and / or the clamping spring has at least one sleeve-holding element over which the clamping spring with the sleeve form-fitting connected is.
  • the clamping spring can be coupled in a form-fitting manner to the busbar piece and / or the sleeve in a particularly reliable manner.
  • a busbar holding element of the clamping spring can be connected to a clamping spring holding element of the sleeve.
  • a sleeve retaining element of the clamping spring may be connected to a clamping spring retaining element of the sleeve.
  • a sleeve holding member of the bus bar piece may be connected to a bus bar holding member of the sleeve.
  • the busbar holding element of the clamping spring and / or the sleeve holding element of the clamping spring can be arranged on one or at different first holding regions of the clamping spring.
  • the sleeve-holding element of the clamping spring has at least one slot-shaped recess arranged on the clamping leg and / or on the bearing leg. In this way, the sleeve can be easily and securely coupled positively to the clamping spring.
  • the clamping leg has at least one clamping claw with a clamping edge and at least one projecting in the same or in a different direction than the clamping claw on the clamping leg second retaining finger at the free end.
  • the second holding fingers can have a pure holding function, ie serve for the positive-locking coupling of the clamping spring, for example on the sleeve or on the busbar piece. Accordingly, the holding finger then has no clamping function for clamping an electrical conductor. The clamping function is taken in such cases solely by the clamping claw with its clamping edge.
  • the clamping claw can thus extend separately from the retaining finger at the free end of the clamping leg, so that between the clamping claw and the retaining finger, the aforementioned slot-shaped recess on the clamping leg of the clamping spring, which forms a sleeve-holding element of the clamping spring may be present.
  • the second retaining finger may also have a bearing surface for abutment of an actuating element for actuating the clamping spring to bring the nip from the closed position to the open position.
  • this may be formed without an additional Isolierstoffgeophuse.
  • at least part of the function of an insulating housing can be taken over by the sleeve.
  • the conductor terminal may also be formed with an additional insulating housing, which encloses the busbar piece, the clamping spring and the sleeve at least partially.
  • the busbar piece may have a conductor stop.
  • the conductor stop is then arranged transversely to the conductor insertion direction, in particular perpendicular to the conductor insertion direction.
  • a terminal point having conductor terminal portion of the busbar piece may extend parallel to the conductor insertion direction.
  • the conductor rail piece can have a protrusion arranged in the conductor connection region and protruding in the direction of the clamping leg, for example in the form of an impression.
  • the survey may extend over the entire width of the busbar piece or only over part of the width.
  • Seen in the conductor insertion direction have a support surface for supporting the holding portion of the sleeve.
  • the busbar piece and / or the Klennnnfeder may have over their course from one end to the other end changing cross-sections.
  • the abutment leg starting from the spring bow, can taper from a first larger cross section to a second, smaller cross section, e.g. by the width of the material of the plant leg is reduced.
  • the region with the second smaller cross section may extend to the busbar holding member of the clamping spring.
  • Figure 1 is a clamping spring in side view
  • Figure 2 shows a busbar piece in side view
  • Figure 3 shows a sleeve in side view
  • Figure 4 is a formed from the aforementioned elements of Figures 1 to 3 conductor terminal in side view and
  • Figure 8 shows the conductor terminal in a sectional view according to the
  • Figures 1 to 3 show the elements busbar piece 2, clamping spring 3 and sleeve 5 each as individual parts before they are assembled to form a conductor terminal according to the other figures. It can be seen that the first holding regions 10, 1 1, 12 are arranged spatially distributed on the clamping spring 3.
  • the busbar piece 2 has from the base portion 21 to the right abragend the fork contact, which forms a plug contact 20 of the busbar piece 2.
  • the invention is also suitable for differently shaped conductor rail pieces, e.g. Busbar pieces with another type of plug contact or without plug contact.
  • the base region 21 connects the fork-like connection lugs of the plug-in contact 20 branching off to the right on the one hand, and the other sections of the busbar section 2 branching off to the left, on the other hand.
  • the base portion 21 may be U-shaped for this purpose, as illustrated by the perspective views of Figures 5 to 7.
  • the base region 21 merges with the second sleeve holding element 23 via the clamping spring retaining element 19 and the connecting section 22 bent at substantially a right angle.
  • the second sleeve-holding element 23 also forms a conductor stop for an inserted into the conductor terminal electrical conductor.
  • the base region 21 also transitions via the clamping spring holding element 19 and the S-shaped transition region 24 into the horizontally extending conductor connecting region 25.
  • the sleeve 5 has a longitudinal direction corresponding to a conductor insertion direction L in which an electrical conductor can be inserted into the sleeve 5.
  • An electrical conductor is introduced in the illustration of Figure 3 from the left into the sleeve 5 (corresponding to the arrow under the letter L).
  • the sleeve 5 at the enclosure region 52 initially has the first longitudinal section 50 and then the second longitudinal section 51, which adjoins the first longitudinal section 50.
  • the second longitudinal section 51 serves to receive parts of the clamping spring 3 and / or of the busbar piece 2 in the interior. neren of Umsch conductedungs Symposiumes 52.
  • the fixing elements 58 are used for latching the sleeve 5 in an insulating housing of the conductor terminal.
  • enclosing region 52 protrudes on the sleeve 5 in the conductor insertion direction L of the second holding portion 54 from.
  • This can, as can be seen in the perspective views, be formed as a substantially flat, plate-shaped part and be formed integrally with the enclosure 52.
  • FIG. 7 shows the clamping leg 34 in a deflected position, in which the clamping edge 36 can be seen to be spaced from the elevation 26. It is advantageous if the clamping spring still has a certain bias in its relaxed position. Between the clamping edge 36 and the elevation 26, the clamping point for the electrical conductor is formed.
  • the first holding portion 1 1 of the clamping spring including the further sleeve holding member 32 forming portion of the clamping spring in the enclosure 52 of the sleeve 5 is added. This is also illustrated by FIG.
  • FIG. 4 illustrates that the second holding region 54 of the sleeve 5 extends between the clamping claw 35 and the second holding finger 37, so that the clamping claw 35 is not visible.
  • the second retaining finger 37 is not located on the busbar piece 2 or its clamping portion 25.
  • the busbar holding member 31 of the clamping spring 3 is fixed to the clamping spring holding member 19 of the busbar piece 2.
  • the busbar holding element 31 is fork-shaped with a lateral opening, again from the perspective views, in particular Figures 6 and 7, becomes clear.
  • Klennnnfeder extends with the clamping leg 34 in the region of the clamping spring-retaining element 55 of the sleeve 5 and is held there.
  • a positive connection between the second sleeve-holding member 23 of the busbar piece 2 and the busbar holding member 57 of the sleeve 5 is formed.
  • the width of the material of the busbar piece 5 varies over its longitudinal extension and thus also its cross-sectional area.
  • the shoulder region 28 of the conductor rail piece 2 is arranged, which protrudes laterally from the conductor connection region 25 substantially at right angles.
  • FIGS. 6 and 7 show that the enclosing region 52 of the sleeve 5 is not completely closed, but instead has a longitudinal slot-shaped opening in the conductor insertion region 61.
  • the clamping leg 34 is divided into the clamping claw 35 and the second holding finger 37 at the ends, so that a slot-shaped recess is formed between the clamping claw 35 and the second holding finger 37, which constitutes a sleeve holding element 38 of the clamping spring 3 in the first holding portion 10 of the clamping spring 3 forms.
  • the cross-sectional area, for example by variation of the material width, of the clamping spring 3 changes over its longitudinal extent.
  • this enlarges its width, for example due to the shoulder region 39 arranged substantially at right angles.
  • the clamping spring 3 already holds loose on the busbar piece 2, but it can still be released with a corresponding movement of this unit.
  • the sleeve 5 is now guided with the second holding region 54 ahead of the busbar piece 2, the further sleeve holding element 32 of the clamping spring being received in the enclosing region 52.
  • the second holding portion 54 By contact of the second holding portion 54 with the clamping leg 34 this is deflected from the relaxed position slightly upwards.
  • the sleeve 5 can be supported by the second holding region 34 on the upper side of the conductor connection region 25 facing the elevation 26 and slide along it.
  • the elevation 26 does not extend over the full width of the conductor connection region 25, but a narrow planar region remains on the side of the elevation 26 on which the second holding region 54 can slide along the elevation 26 on the surface of the conductor connection region 25.
  • the free end of the clamping leg 34 reaches the clamping spring-holding member 55 of the sleeve, ie the clamping leg 34 moves back to its relaxed position and immersed in the clamping spring holding member 55 forming recess of the second holding portion 54 a ,
  • the sleeve 5 can be pushed so far until the formed in the form of a retaining finger first sleeve-holding member 27 abuts on the first busbar holding member 53 of the sleeve 5.
  • the busbar piece 2 for example in the region of the conductor connection region 25, can have a depression 18, for example in the form of an impression on the surface side of the conductor rail piece 2 facing the partition 56.
  • the depression 18 can be in the manner of a groove , in particular be designed as a longitudinal groove, for example as a notch or another suitable shape.
  • the partition wall 56 has on the side facing the busbar piece 2 a corresponding shape, with a chamfer, through which the partition wall 56 can dip into the recess 18.
  • the support of the partition wall 56 in the recess 18 contributes to the fact that the support region, which is formed between the first sleeve holding element 27 and the first busbar holding element 53, is mechanically relieved.

Landscapes

  • Installation Of Bus-Bars (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

L'invention concerne une borne de raccordement pour conducteurs, comprenant au moins une barrette de connexion, au moins un ressort de calage et au moins une douille, le ressort de calage présentant une branche de pincement orientée vers la barrette de connexion, un point de serrage destiné au pincement d'un conducteur électrique étant formé entre la barrette de connexion et la branche de pincement, le ressort de calage présentant un arc élastique dans le prolongement de la branche de pincement et une branche d'appui dans le prolongement de l'arc élastique, une ou plusieurs premières zones de retenue étant formées sur la branche de pincement et/ou la branche d'appui du ressort de calage, et permettant de raccorder la barrette de connexion et la douille au ressort de calage par complémentarité de forme.
EP18719832.0A 2017-05-05 2018-04-20 Borne de raccordement pour conducteurs Active EP3619772B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017109701.5A DE102017109701A1 (de) 2017-05-05 2017-05-05 Leiteranschlussklemme
PCT/EP2018/060199 WO2018202445A1 (fr) 2017-05-05 2018-04-20 Borne de raccordement pour conducteurs

Publications (2)

Publication Number Publication Date
EP3619772A1 true EP3619772A1 (fr) 2020-03-11
EP3619772B1 EP3619772B1 (fr) 2023-09-13

Family

ID=62046911

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18719832.0A Active EP3619772B1 (fr) 2017-05-05 2018-04-20 Borne de raccordement pour conducteurs

Country Status (4)

Country Link
EP (1) EP3619772B1 (fr)
CN (1) CN110546817B (fr)
DE (1) DE102017109701A1 (fr)
WO (1) WO2018202445A1 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2720634A (en) * 1954-01-15 1955-10-11 Hart Mfg Co Quick detachable electrical connector
DE19610958C2 (de) * 1996-03-20 1999-02-04 Weidmueller Interface Mehrpoliger Steckverbinder mit Zugfederanschlüssen
EP1353407B1 (fr) * 2002-04-12 2011-01-19 Weidmüller Interface GmbH & Co. KG Dispositif de connexion de fils
DE20211513U1 (de) * 2002-07-13 2003-11-27 Weidmüller Interface Gmbh & Co. Anschlußvorrichtung mit Klemmfeder
DE102004046471B3 (de) * 2004-09-23 2006-02-09 Phoenix Contact Gmbh & Co. Kg Elektrische Anschluß- oder Verbindungsklemme
DE102007035336B3 (de) * 2007-07-27 2009-02-05 Phoenix Contact Gmbh & Co. Kg Federkraftprintklemme
DE102009050367A1 (de) * 2009-10-22 2011-04-28 Phoenix Contact Gmbh & Co. Kg Federkraftanschlussklemme
DE102012219741A1 (de) * 2012-10-29 2014-04-30 Tyco Electronics Amp Gmbh Elektrischer Kontakt und Steckverbinder mit einem solchen elektrischen Kontakt
DE102013101411B4 (de) * 2013-02-13 2018-03-22 Wago Verwaltungsgesellschaft Mbh Federkraftklemmanschluss und Leiteranschlussklemme
DE202013105944U1 (de) * 2013-12-26 2014-01-22 Wago Verwaltungsgesellschaft Mbh Federkraft-Klemmanschluss und Steckverbinder hiermit
TWM502983U (zh) * 2014-12-04 2015-06-11 Switchlab Inc 軌道型電聯接端子之導電接線結構
EP3116065B1 (fr) * 2015-07-07 2019-08-28 TE Connectivity Germany GmbH Dispositif de retenue à emmanchement, ensemble de serrage et élément de connecteur électrique

Also Published As

Publication number Publication date
WO2018202445A1 (fr) 2018-11-08
CN110546817B (zh) 2021-05-18
DE102017109701A1 (de) 2018-11-08
EP3619772B1 (fr) 2023-09-13
CN110546817A (zh) 2019-12-06

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