EP2946442B1 - Borne de connecteur - Google Patents

Borne de connecteur Download PDF

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Publication number
EP2946442B1
EP2946442B1 EP14700605.0A EP14700605A EP2946442B1 EP 2946442 B1 EP2946442 B1 EP 2946442B1 EP 14700605 A EP14700605 A EP 14700605A EP 2946442 B1 EP2946442 B1 EP 2946442B1
Authority
EP
European Patent Office
Prior art keywords
clamping
conductor
bottom wall
guide channel
section
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.)
Active
Application number
EP14700605.0A
Other languages
German (de)
English (en)
Other versions
EP2946442A1 (fr
Inventor
Ralph Hoppmann
Martin Gebhardt
Detlef TÖBERICH
Holger Steinhage
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact 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
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP2946442A1 publication Critical patent/EP2946442A1/fr
Application granted granted Critical
Publication of EP2946442B1 publication Critical patent/EP2946442B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • 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
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2608—Fastening means for mounting on support rail or strip
    • 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

Definitions

  • the invention relates to a terminal, in particular an electrical terminal for conductors with a large cross-sectional area.
  • the number of terminals which are also suitable for clamping conductors with a large conductor cross-section, in particular a conductor cross-section or a conductor cross-sectional area> 35 mm 2 , is so far low.
  • the known terminals for clamping conductors with a large cross-sectional area usually have a screw connection.
  • a combination of a screw connection and a spring connection is also known in which a spring is tensioned via a screw mechanism, which acts in a similar manner to a clamping sleeve of a screw terminal and pulls the conductor to be clamped against a busbar. All these connections usually press the conductor to be clamped against a flat conductor rail.
  • EP 1 248 318 A2 discloses the features of the preambles of claims 1 and 2. The invention is therefore based on the object to provide a terminal available in which prevents unwanted displacement of the conductor within the terminal and thus secure clamping of the conductor can be ensured.
  • the terminal a housing, arranged in the housing clamping pocket, in which a conductor to be clamped is inserted, and at least one in the clamping pocket protruding clamping spring for clamping the inserted conductor in the clamping pocket, wherein the clamping pocket has a bottom wall and two opposing, extending from the bottom wall side walls forming a conductor guide channel, wherein the conductor guide channel along its longitudinal direction at least partially in the direction of the bottom wall continuously has narrowing cross-section.
  • the terminal according to the invention is characterized in that the busbar is now formed in the form of a clamping pocket, which forms a conductor guide channel through a bottom wall and by two laterally extending away from the bottom wall side walls, in which a defined guidance of the conductor is enabled, and In particular, an undesirable lateral displacement of the conductor from a clamping position can be prevented.
  • the conductor guide channel is further distinguished by the fact that along its longitudinal direction, it has, at least in regions, a cross section that narrows continuously in the direction of the bottom wall. The continuously narrowing cross section forms a centering for the conductor to be clamped in the conductor guide channel, so that the conductor can be held in the conductor guide channel so that it can not slip.
  • the narrowing cross-section preferably does not extend over the entire height of the clamping pocket, but is in the lower region of the clamping pocket, where the conductor is inserted, formed.
  • the opposite side walls are arranged parallel to each other.
  • the continuously narrowing cross-section of the conductor guide channel is designed such that the movement of the clamping leg of the trained as a leg spring clamping spring is not limited by the narrowing cross-section.
  • the terminal is also characterized by a compact design in which conductors with different conductor cross sections can be connected.
  • the narrowing cross section of the conductor guide channel is preferably formed from a V-shape or a combination of a U-shape and a V-shape.
  • the narrowing cross-section is preferably formed by the fact that the two side walls each have at least one bevel, which converges in each case to the slope of the opposite side wall.
  • the opposing slopes of the two side walls in the region of the bottom wall of the clamping pocket do not abut each other, but they are spaced apart in the region of the bottom wall, so that the bottom wall between the two themselves However, the bottom wall is reduced in width relative to areas where the two side walls parallel to each other, reduced.
  • the two slopes of the opposite side walls abut each other in the region of the bottom wall, so that the width of the bottom wall is reduced to a minimum here.
  • the continuously narrowing cross section of the conductor guide channel can thereby at least two be formed opposite, formed in a transitional area between a side wall and the bottom wall indentations.
  • the indentations are formed in the direction of the interior of the conductor guide channel.
  • An indentation extends over a portion of the sidewall adjacent to the bottom wall and a portion of the bottom wall, respectively.
  • the impressions may be formed, for example, triangular or as a concavity in the form of a spherical section.
  • the cross section of the conductor guide channel is not narrowed but has a rectangular cross section, so that in FIG Area of the rectangular cross section, the free end of the clamping spring can move freely without touching any of the indentations.
  • the continuously narrowing cross section of the conductor guide channel may extend over the entire length of the conductor guide channel, wherein the side walls each have one on the side wall portion adjoining the bottom wall, which is inclined to the bottom wall wherein the sidewall portions of the sidewalls adjacent to the bottom wall have at least two opposing recesses in which a free end of a clamping leg of the clamp spring is submersible. If the continuously narrowing cross-section of the conductor guide channel extends over the entire length of the conductor guide channel, slippage of the conductor can occur in the conductor guide channel can be safely prevented.
  • the side walls are here divided into two sections as seen in the direction of the bottom wall, wherein the side wall sections are inclined near the bottom wall or are inclined towards the bottom wall so that these side wall sections of the two side walls can run towards one another.
  • the side wall portion of a side wall which is remote from the bottom wall is formed at an angle of substantially 90 ° to the bottom wall, so that these side wall portions of the two opposing side walls are formed parallel to each other.
  • a recess is formed in the two inclined side wall portions formed, wherein the recesses of the two side wall portions are opposite.
  • the recesses allow the free end of the clamping spring, if it is in the vicinity of the bottom wall, which in particular in a non-clamped state of the conductor or when clamping conductors with a very small cross-sectional area is the case, can dip therein.
  • the free end of the clamping spring does not have to be adapted to the narrowing cross-sectional shape of the conductor guide channel, but can form a straight surface. If the free end of the clamping leg would also constrict or reduce towards the tip of the free end, a gap can form laterally between the conductor guide channel and the clamping leg, into which individual strands of a conductor can insert, so that secure contacting is no longer possible can be guaranteed.
  • the free end of the clamping leg of the clamping spring thus has here a different cross-sectional shape than the conductor guide channel.
  • the recesses may be on the side walls at least be formed a bulge, which form the conductor guide channel in this area so broad that a straight surface at the free end of the clamping leg of the clamping spring can dive into the bulges and thus the clamping spring unhindered despite a over the entire length of the conductor guide channel formed narrowing cross-section Can perform pivoting movement within the conductor guide channel.
  • the guide portion is preferably a narrowing Cross section has.
  • the narrowing cross section of the guide portion may be formed, for example, from a V-shape or a combination of a U-shape and a V-shape.
  • the terminal may preferably be formed as a terminal block, which can be snapped onto a mounting rail, wherein the housing preferably has a latching foot for attaching the terminal on a mounting rail.
  • the latching foot is preferably formed integrally with the housing.
  • Fig. 1 and 2 show a first embodiment of a terminal with a clamping pocket 1, in which two clamping springs 2, which here as Klemmfederwovene, consisting of a plurality of clamping spring elements, are formed, are positioned.
  • two clamping springs 2 which here as Klemmfederwovene, consisting of a plurality of clamping spring elements, are formed, are positioned.
  • the clamping springs 2 are formed here as a torsion spring. Alternatively, they can also be designed as cage springs.
  • the clamping pocket 1 has a bottom wall 3 and two opposing side walls 4a, 4b extending away from the bottom wall 3.
  • the bottom wall 3 and the two side walls 4a, 4b form a conductor guide channel 5, which extends over the entire length of the clamping pocket 1.
  • an opening 6 is formed, in which a partition wall can be fixed, which then extends inside the clamping pocket 1, starting from the bottom wall 3 upwards into the interior of the clamping pocket 1 inside.
  • the partition divides the conductor guide channel 5 in two areas, in each of which a conductor 19, 20 can be inserted, wherein the conductors 19, 20 can each be inserted so far into the conductor guide channel 5 that they abut with their end face against the partition wall.
  • the conductor guide channel 5 has along its longitudinal direction in some areas a continuously narrowing in the direction of the bottom wall 3 cross section, wherein in the region of the continuously narrowing cross section of the conductor guide channel 5 forms a combination of a U-shape and a V-shape.
  • the indentations 7a, 7b are formed in the direction of the interior of the conductor guide channel 5.
  • An indentation 7a, 7b extends in each case over a region of the side wall 4a, 4b, adjacent to the bottom wall 3, and a region of the bottom wall 3.
  • the indentations 7a, 7b are here triangular in shape.
  • Two impressions 7a, 7b are formed per side wall 4a, 4b, wherein the indentations 7a, 7b of a side wall 4a, 4b are spaced apart in the longitudinal direction of the conductor guide channel 5.
  • the distance a is formed so large that it forms a pivoting range for the free end 8 of the clamping leg 10 of the clamping spring 2.
  • the cross section of the conductor guide channel 5 is not narrowed, but the conductor guide channel 5 has a rectangular cross section, so that in the region 9 of the rectangular cross section of the conductor guide channel 5 free end 8 of the clamping spring 2 can move freely without touching any of the indentations 7 a, 7 b.
  • the free end 8 of the clamping leg 10 can thus "work" between two impressions 7a, 7b of a side wall 4a, 4b.
  • the narrowing cross section is not formed by indentations, but extends the continuously narrowing cross section of the conductor guide channel 5 over the entire length of the conductor guide channel 5.
  • the side walls 4a, 4b here each have two side wall sections 11a ', 11a ", A first side wall portion 11a ', 11b' adjoins the bottom wall 3 and is inclined to the bottom wall 3.
  • a second side wall portion 11a ", 11b" of a side wall 4a, 4b which is removed from the bottom wall 3 is, however, formed at an angle of substantially 90 ° to the bottom wall 3, so that these side wall portions 11a ", 11b" of the two opposite side walls 4a, 4b are formed parallel to each other.
  • a recess 12a, 12b is respectively formed in the two inclined side wall sections 11a ', 11b', the recesses 12a, 12b of the two side wall sections 11a ', 11b' facing each other.
  • the recesses 12a, 12b which are substantially triangular in shape here, allow the free end 8 of the clamping spring 10 to be in the vicinity of the bottom wall 3, in particular in an unclamped state of the conductor or in the clamping of conductors with a very small cross-sectional area is the case, can dip into it, as in Fig. 4 is shown.
  • FIGS. 5 and 6 two embodiments are shown in which in Leiteinsteckides before the conductor guide channel 5 on the clamping pocket 1, a guide portion 13 is formed, wherein the guide portion 13 also has a narrowing cross-section.
  • the guide section 13 is formed integrally with the bottom wall 3 of the clamping pocket 1.
  • the side walls 4a, 4b are however, separated from the guide portion 13.
  • the guide section 13 has a base surface 14 which lies in a plane with the bottom wall 3 of the clamping pocket 1. Adjacent to the base surface 14 are two opposite side surfaces 15a, 15b, which are angled towards the base surface 14, so that also the guide portion 13 has a narrowing cross section, which is formed as a combination of a U-shape and a V-shape.
  • the number of impressions 7a, 7b per side wall 4a, 4b can be reduced to an impression 7b, as shown in FIG Fig. 5 shown embodiment is shown.
  • the base surface 14 of the guide section 13 is formed integrally with the bottom wall 3 of the clamping pocket 1, and also the angled side surfaces 15a, 15b are integrally formed with the side walls 4a, 4b of the clamping pocket 1.
  • a guide section 13 here has the shape of a half impression. Again, the number of impressions 7a, 7b per side wall 4a, 4b can be reduced to an impression 7b by the formation of a guide portion 13.
  • Fig. 7 shows a terminal with a housing 16 in which the clamping pocket 1 is arranged together with the clamping springs 2.
  • the housing 16 is disk-shaped here and has two opposing conductor insertion openings 17, wherein the guide portion 13 or the clamping pocket 1 itself project into the conductor insertion opening 16 to an insertion and thus also to facilitate clamping of a conductor 19, 20 in the terminal.
  • the housing 16 on its underside a latching foot 18, with which the housing 16 and thus the terminal can be snapped onto a mounting rail.
  • the terminal is thus designed here as a terminal block. Another use of the terminal as a terminal is also possible.
  • Fig. 8 shows an embodiment in which two conductors 19, 20 inserted and connected in the terminal by each of the clamping leg 8 of a clamping spring 2 a conductor 19, 20 presses against the bottom wall 3 of the clamping pocket 1, wherein the bottom wall 3 of the clamping pocket 1 here Has the function of a busbar.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Clamps And Clips (AREA)

Claims (5)

  1. Borne de raccordement, comprenant un boîtier (16),
    une poche de serrage (1) disposée dans le boîtier (16), dans laquelle peut être introduit un conducteur (19, 20) à serrer, et
    au moins un ressort de serrage (10) faisant saillie à l'intérieur de la poche de serrage (1) et destiné à serrer le conducteur (19, 20) introduit dans la poche de serrage (1),
    la poche de serrage (1) possédant une paroi de fond (3) et deux parois latérales (4a, 4b) se faisant mutuellement face qui s'étendent depuis la paroi de fond (3), lesquelles forment un canal de guidage de conducteur (5),
    le canal de guidage de conducteur (5) présentant, au moins dans certaines zones le long de sa direction longitudinale, une section transversale qui se rétrécit continuellement en direction de la paroi de fond (3),
    caractérisée en ce que la section transversale qui se rétrécit continuellement du canal de guidage de conducteur (5) est formée par au moins deux empreintes (7a, 7b) se faisant mutuellement face, formées dans une zone de transition entre une paroi latérale (4a, 4b) et la paroi de fond (3), plus d'une empreinte (7a, 7b) étant formée par paroi latérale (4a, 4b), les empreintes (7a, 7b) d'une paroi latérale (4a, 4b) étant espacées l'une de l'autre, la section transversale du canal de guidage de conducteur (5) présentant, dans la zone entre deux empreintes (7a, 7b) formées sur paroi latérale (4a, 4b), une section transversale parallélépipédique, de sorte qu'une extrémité libre (8) du ressort de serrage (10) peut se déplacer librement dans la zone de la section transversale parallélépipédique, sans toucher l'une des empreintes (7a, 7b).
  2. Borne de raccordement, comprenant
    un boîtier (16),
    une poche de serrage (1) disposée dans le boîtier (16), dans laquelle peut être introduit un conducteur (19, 20) à serrer, et
    au moins un ressort de serrage (10) faisant saillie à l'intérieur de la poche de serrage (1) et destiné à serrer le conducteur (19, 20) introduit dans la poche de serrage (1),
    la poche de serrage (1) possédant une paroi de fond (3) et deux parois latérales (4a, 4b) se faisant mutuellement face qui s'étendent depuis la paroi de fond (3), lesquelles forment un canal de guidage de conducteur (5),
    le canal de guidage de conducteur (5) présentant, au moins dans certaines zones le long de sa direction longitudinale, une section transversale qui se rétrécit continuellement en direction de la paroi de fond (3),
    caractérisée en ce que la section transversale qui se rétrécit continuellement du canal de guidage de conducteur (5) s'étend sur toute la longueur du canal de guidage de conducteur (5), les parois latérales (4a, 4b) possédant respectivement une portion de paroi latérale (11a', 11b') adjacente à la paroi de fond (3), laquelle est réalisée inclinée vers la paroi de fond (3), les portions de paroi latérale (11a', 11b') des parois latérales (4a, 4b) qui sont adjacentes à la paroi de fond (3) possédant au moins deux cavités (12a, 12b) qui se font mutuellement face, dans lesquelles peut être plongée une extrémité libre (8) d'une branche de serrage (10) du ressort de serrage (2).
  3. Borne de raccordement selon la revendication 1 ou 2, caractérisée en ce que la section transversale qui se rétrécit continuellement du canal de guidage de conducteur (5) est réalisée en forme de V ou en une combinaison d'une forme de U et d'une forme de V.
  4. Borne de raccordement selon l'une des revendications précédentes, caractérisée en ce qu'une portion de guidage (13) faisant saillie à l'intérieur d'une ouverture de guidage de conducteur (17) du boîtier (16) est disposée au niveau de la poche de serrage (1) dans le sens de l'insertion du conducteur avant le canal de guidage de conducteur (5), la portion de guidage (13) possédant une section transversale qui se rétrécit.
  5. Borne de raccordement selon l'une des revendications 1 à 4, caractérisée en ce que le boîtier (16) possède un pied d'enclenchement destiné à fixer la borne de raccordement sur un rail porteur.
EP14700605.0A 2013-01-17 2014-01-13 Borne de connecteur Active EP2946442B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013000713.5A DE102013000713A1 (de) 2013-01-17 2013-01-17 Anschlussklemme
PCT/EP2014/050493 WO2014111346A1 (fr) 2013-01-17 2014-01-13 Borne de raccordement

Publications (2)

Publication Number Publication Date
EP2946442A1 EP2946442A1 (fr) 2015-11-25
EP2946442B1 true EP2946442B1 (fr) 2017-08-16

Family

ID=49989705

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14700605.0A Active EP2946442B1 (fr) 2013-01-17 2014-01-13 Borne de connecteur

Country Status (6)

Country Link
US (1) US9461373B2 (fr)
EP (1) EP2946442B1 (fr)
CN (1) CN105009371B (fr)
DE (1) DE102013000713A1 (fr)
ES (1) ES2642931T3 (fr)
WO (1) WO2014111346A1 (fr)

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Also Published As

Publication number Publication date
EP2946442A1 (fr) 2015-11-25
CN105009371B (zh) 2017-12-19
CN105009371A (zh) 2015-10-28
WO2014111346A1 (fr) 2014-07-24
DE102013000713A1 (de) 2014-07-17
US20150357726A1 (en) 2015-12-10
ES2642931T3 (es) 2017-11-20
US9461373B2 (en) 2016-10-04

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