EP2862236B1 - Borne de connexion électrique - Google Patents

Borne de connexion électrique Download PDF

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Publication number
EP2862236B1
EP2862236B1 EP13730482.0A EP13730482A EP2862236B1 EP 2862236 B1 EP2862236 B1 EP 2862236B1 EP 13730482 A EP13730482 A EP 13730482A EP 2862236 B1 EP2862236 B1 EP 2862236B1
Authority
EP
European Patent Office
Prior art keywords
spring
actuating
spring element
operating
housing
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
EP13730482.0A
Other languages
German (de)
English (en)
Other versions
EP2862236A1 (fr
Inventor
Ralph Hoppmann
Martin Gebhardt
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 EP2862236A1 publication Critical patent/EP2862236A1/fr
Application granted granted Critical
Publication of EP2862236B1 publication Critical patent/EP2862236B1/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
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • 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
    • 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
    • H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring

Definitions

  • the invention relates to an electrical connection terminal having a housing having a conductor insertion opening, a housing arranged in the busbar, a rotatably mounted in the housing spring element which is pivotable in an open position and in a closed position, wherein in the closed position in the conductor insertion opening inserted conductor can be clamped by means of the spring element against the busbar, and a rotatably mounted in the housing, an actuating arm having actuating element, by means of which the spring element for the transfer to the open position and in the closed position is actuated.
  • Such an electrical terminal is for example from the DE 10 2008 039 868 A1 known, in which a trained as a leg spring spring element by means of an actuating element for clamping a conductor inserted into the housing in an open position and a closed position is pivotable.
  • the actuating element has an actuating wall and two unlocking sections formed laterally next to the actuating wall.
  • the actuating wall can dip into a slot formed on the spring element.
  • the actuating element In order to pivot the spring element completely from the closed position to the open position, the actuating element must be moved upwards and thus itself be pivoted or rotated.
  • the actuating wall of the actuating element slides through the slot of the spring element until the end of the actuating wall abuts on the inside of a leg of the spring element, so that during further pivoting of the actuating element and the spring element is pivoted to the open position.
  • the disadvantage here is that by the pivoting or rotational movement of the actuating element in the transfer of the spring element from the closed position to the open position a great risk of injury to the user, since, especially at large spring forces, a large force acts on the actuator and so that the actuator is uncontrollably rotated at a high speed. If the actuating element is actuated with a tool, the risk of injury to the user also increases due to the rapid, uncontrolled pivoting of the tool.
  • the invention is therefore based on the object to provide an electrical terminal available, in which the risk of injury to the user in a transfer of the spring element from a closed position to an open position can be significantly reduced.
  • the actuating element has a spring element adapted to the free space in which the spring element in a pivoting movement from the closed position to the open position can be pivoted without triggering a rotational movement of the actuating element.
  • the invention is thus characterized by the fact that during an opening movement of the spring element, ie at a transfer of the spring element from the closed position to the open position by a pivoting movement of the spring element, no movement, in particular no rotational movement, of the actuating element takes place.
  • the actuating element thus remains in an opening movement of the spring element substantially in its position.
  • the open position of the spring element is the fully open position of the spring element, in which the spring element is in an end position.
  • the actuating element which is preferably arranged in the housing above the spring element, has a free space adapted to the spring element, also denoted as a recess or cutout, which is designed so large that the spring element within the Free space can be pivoted so far that it is in an end position in the fully open position, without causing a movement of the actuating element.
  • the spring element is preferably designed as a leg spring with a clamping leg and an actuating limb, wherein the actuating limb at its end remote from the clamping leg on a bent in the direction of the clamping leg holding portion, by means of which the spring element in the closed position formed on a busbar or the housing Locking element locked.
  • the holding section and also partially the actuating limb of the spring element dives into the free space of the actuating element.
  • the holding section of the spring element is first released from its latching by means of the actuating arm of the actuating element, although in this case no pivoting movement of the spring element takes place.
  • the actuating element After releasing the holding portion of the spring element from the latching by the actuating element, the actuating element, despite the pivoting movement of the spring element until the spring element is in its fully open position, no longer moves, in particular not rotated.
  • a large clamping force acts when clamping a conductor with a large conductor cross-section
  • the spring element has at least one return spring section, by means of which the spring element can be automatically transferred from the closed position to the open position.
  • the return spring portion causes, as soon as the holding portion of the spring element is released in the closed position from the latch, the spring element pivots without additional help or aids in the open position.
  • the return spring section is biased in the closed position of the spring element by the return spring portion against an element, preferably a plate, which is for example part of the bus bar, is pressed.
  • On the housing may be formed for a guide element which engages in the return spring section and this leads to the plate.
  • the return spring portion also a transfer of the spring element from the closed position to the open position without a connected or clamped conductor is possible.
  • the return spring portion is preferably in the form of a spring arm which extends between the actuating leg and the clamping leg and is preferably connected to the actuating arm.
  • the spring element may have a return spring section or else two or more return spring sections, which are preferably arranged parallel to one another at a specific distance from one another.
  • a further preferred embodiment of the invention provides that the spring element is designed as a two or more springs having spring package, wherein the springs protrude differently far into the conductor insertion opening.
  • the springs of the spring assembly are directly adjacent to each other, so that by applying a spring assembly of two or more springs on the force applied to the clamped spring force or contact force can be increased, which also for large conductor cross sections a sufficiently large contact force for secure clamping can be applied.
  • the springs of the spring package protrude differently far into the conductor insertion opening, by the length of the clamping legs of the individual springs of the spring assembly is of different sizes.
  • the springs preferably protrude in a stepped length into the conductor insertion opening.
  • Ladder with a small conductor cross-section are then pressed, for example, only with a spring or a clamping leg of a spring of the spring assembly against the busbar, whereby a direct insertion of the conductor is made possible.
  • conductors with a large conductor cross-section are pressed against the busbar with several or all springs and thus with several or all clamping legs of the spring assembly. This makes the electrical connection terminal suitable for conductors with different conductor cross-sections.
  • the electrical connection terminal is to be used only for conductors with a specific conductor cross section, it is also possible for the springs of the spring assembly to protrude equally far into the conductor insertion opening in order to be able to apply a particularly high contact force to the conductor to be clamped.
  • the actuating element has a locking means for holding the actuating element in a fixed position .
  • the locking means may be formed, for example in the form of a pin formed on the actuating element or web, which laterally from the Actuator projecting and, for example, on a formed on the inside of the housing holding element, for example, formed in the form of a web or a rib, can hook behind.
  • the actuating element has a tool insertion opening for actuating the actuating element by means of a tool.
  • the rotational movement of the actuating element can thus be effected by means of a tool, for example a screwdriver.
  • the actuating element is preferably designed such that it has a base body on which the actuating arm is formed, wherein the base body has a greater thickness than the actuating arm. Due to the greater thickness of the base body of this can have a particularly high stability, so that over the main body of the actuating element large forces can be absorbed.
  • a passage opening is preferably formed, via which the actuating element is rotatably mounted on a bearing journal of the housing.
  • the housing has two conductor insertion openings and two spring elements and two actuating elements are arranged in the housing, wherein the two actuating elements are opposite to each other rotatable and opposite each other such that the actuating arms of the actuating elements are arranged in the direction of division one behind the other. Due to this special arrangement with several actuators in a housing of a terminal, the necessary space can be divided as possible to save space with a provision of two wire connections, whereby the entire electrical terminal can be made very compact.
  • Fig. 1 shows a sectional view of an electrical terminal according to the invention, which has a housing 1 with a first conductor insertion opening 2a and a second conductor insertion opening 2b.
  • a bus bar 3 is arranged, against which inserted into the conductor insertion openings 2a, 2b conductors 23a, 23b, as in Fig. 6 is shown, can be clamped contacting.
  • the bus bar 3 extends from the first conductor insertion opening 2a to the second conductor insertion opening 2b, so that the conductor 23a inserted into the first conductor insertion opening 2a is clamped contacting the same busbar 3 as the conductor 23b inserted into the second conductor insertion opening 2b.
  • the busbar 3 is formed bent substantially U-shaped, as in particular in Fig. 3 is recognizable.
  • first spring element 4a and a second spring element 4b is arranged in the housing 1, wherein the first spring element 4a is arranged opposite to the second spring element 4b.
  • the two spring elements 4a, 4b are each rotatably mounted on a bearing journal 5a, 5b, so that the spring elements 4a, 4b can be separately transferred into a closed position and into an open position.
  • Both spring elements 4a, 4b are arranged in a closed position.
  • the spring elements 4a, 4b are here each formed as a spring assembly, which has a first spring 6a, 6b and a second spring 7a, 7b.
  • the second spring 7a, 7b rests against the inner surface of the first spring 6a, 6b.
  • Both springs 6a, 6b, 7a, 7b are designed as torsion springs, which have a clamping leg 8a, 8b, 9a, 9b and an actuating leg 10a, 10b, 11a, 11b.
  • the clamping leg 9a, 9b of the second, inner spring 7a, 7b has a greater length than the clamping leg 8a, 8b of the first, outer spring 6a, 6b, so that when clamping conductors 23a, 23b with a small conductor cross-section this only by means of the clamping leg 9a, 9b of the second spring 7a, 7b are clamped against the busbar 3 and the terminals of conductors 23a, 23b with a large conductor cross section by means of the clamping leg 8a, 8b of the first spring 6a, 6b and the clamping leg 9a, 9b of the second Spring 7a, 7b are clamped against the busbar 3.
  • the second spring 7a, 7b of the spring element 4a, 4b designed as a spring assembly is shown separately, wherein it can be seen that the second Spring 7a, 7b has a return spring portion 13a, 13b in the form of a spring arm, which extends between the actuating limb 11a, 11b and the clamping leg 9a, 9b and is connected to the actuating limbs 11a, 11b.
  • the return spring portion 13a, 13b has a substantially smaller width than the actuating legs 11a, 11b.
  • the return spring section 13a, 13b is "tensioned", which means that the return spring section 13a, 13b is bent towards the actuating limb 11a, 11b so that the return spring section 13a, 13b is substantially parallel to the actuating limb 11a, 11b is arranged.
  • the return spring portion 13a, 13b is pressed against a plate 14a, 14b, which is part of the busbar 3 here.
  • Fig. 5 the return spring portion 13a, 13b is shown in a "non-tensioned" state, in which the spring element 4a, 4b is arranged in an open position, as also in FIG Fig. 2 is shown.
  • the return spring portion 13a, 13b is arranged here on a side surface of the spring 7a, 7b. However, it can also be arranged along the width of the spring 7a, 7b, for example centrally.
  • two actuating elements 15a, 15b designed as eccentrics are furthermore arranged in the housing 1.
  • the actuating elements 15a, 15b are rotatably mounted in the housing 1 via bearing journals 16a, 16b.
  • the actuating elements 15a, 15b have a main body 17a, 17b and an actuating arm 18a, 18b integrally formed on the main body 17a, 17b, which has a smaller thickness than the main body 17a, 17b, as shown particularly in FIG Fig. 3 is recognizable.
  • the actuating arm 18a, 18b is bent in the direction of the spring element 4a, 4b and serves to release the holding portion 12a, 12b of the spring element 4a, 4b from its latching when the spring element 4a, 4b is transferred from the closed position to the open position is to be bent by the holding portion 12a, 12b by means of the actuating arm 18a, 18b in the direction of the actuating leg 10a, 10b, 11a, 11b, as shown on the right side of the terminal in Fig. 1 is shown.
  • the spring element 4a, 4b can pivot upward in the direction of the actuating element 15a, 15b, by the spring element 4a, 4b with the holding portion 12a, 12 and at least a portion of the actuating limb 10a, 10b , 11a, 11b pivots into a free space 19a, 19b formed on the actuating element 15a, 15b, without triggering a rotational movement of the actuating element 15a, 15b, as shown in FIG Fig. 2 is shown.
  • the actuating element 15a, 15b is rotated such that it, preferably with its base body 17a, 17b, against the actuating limb 10a, 10b, 11a, 11b of the spring element 4a, 4b pushes to push this down.
  • the rotational movement of the actuating element 15a, 15b can be effected by means of a tool, in particular a screwdriver, by inserting this into a tool insertion opening 20a, 20b formed on the actuating element 15a, 15b, the tool insertion opening 20a, 20b on the main body 17a, 17b of the actuating element 15a , 15b is formed.
  • a tool in particular a screwdriver
  • the actuating elements 15a, 15b In order to keep the actuating elements 15a, 15b in a fixed position, in particular when the spring elements 4a, 4b are in the closed position, the actuating elements 15a, 15b have a latching means 21a, as in FIG Fig. 3 is shown, wherein only the locking means 21a can be seen on the left actuating element 15a, by means of which the actuating elements 15a, 15b can be fixed independently relative to the housing 1 here.
  • the locking means 15a is formed here in the form of a pin, which is integrally formed on the main body 17a of the actuating element 15a by this projecting vertically from the side surface of the actuating element 15a.
  • the locking means 21a for example, on a formed on the inside of the housing 1 holding element, for example, formed in the form of a web or a rib, not shown, behind hook.
  • the Schuhakung can be solved, so that the Actuator 15a is again freely movable, for example, to release the spring element 4a from the locking of the closed position by actuating the holding portion 12a of the spring element 4a.
  • the electrical connection terminal has a housing 1 with two conductor insertion openings 2a, 2b opposite one another, two opposing spring elements 4a, 4b and two oppositely lying actuating elements 15a, 15b.
  • a conductor 23a, 23b can be inserted in each case via the conductor insertion openings 2a, 2b, so that two conductors 23a, 23b can simultaneously be clamped against a busbar 3 by means of a connection terminal.
  • the two actuating elements 15a, 15b and also the two spring elements 4a, 4b can be actuated or moved separately from each other.
  • the two actuating elements 15a, 15b are opposite to each other rotatable and face each other in such a way that the actuating arms 18a, 18b of the actuating elements 15a, 15b are arranged one behind the other in the direction of pitch.
  • Fig. 1 For example, the spring member 4a on the left side is shown in a closed position, and the operating arm 18a of the left side actuator 15a is turned away from the spring member 4a so as to be behind the right side actuator 15b, and thereby into Fig. 1 can not be seen.
  • the actuating element 15a on the left side is held here by means of the latching means 21a in a fixed position.
  • the spring element 4b on the right side is also arranged in the closed position, wherein however, in this case, the operating arm 18b of the right side actuator 15b presses on the holding portion 12b of the spring member 4b and thereby bends it in the direction of the operating leg 10b, 11b to release the spring member 4b from the lock in the closed position.
  • Fig. 4 shows the terminal in a non-cut view.
  • a foot member 22 is formed, by means of which the terminal to a mounting rail or a DIN rail, not shown here, can be snapped.
  • the design of the terminal is not limited to the embodiment shown here with two conductor insertion openings 2a, 2b, two spring elements 4a, 4b and two actuators 15a, 15b. It is also possible to form the terminal with one or more than two conductor insertion openings 2a, 2b, spring elements 4a, 4b and actuators 15a, 15b.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Clamps And Clips (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (7)

  1. Borne de raccordement électrique, comprenant
    un boîtier (1) qui possède une ouverture d'introduction de conducteur (2a, 2b),
    une barre-bus (3) disposée dans le boîtier (1),
    un élément ressort (4a, 4b) monté rotatif dans le boîtier (1), lequel peut pivoter dans une position ouverte et dans une position fermée, un conducteur introduit dans l'ouverture d'introduction de conducteur (2a, 2b) pouvant, dans la position fermée, être serré contre la barre-bus (3) au moyen de l'élément ressort (4a, 4b), et un élément d'actionnement (15a, 15b), possédant un bras d'actionnement (18a, 18b) et monté rotatif dans le boîtier (1), au moyen duquel l'élément ressort (4a, 4b) peut être actionné en vue d'un transfert dans la position ouverte et dans la position fermée,
    caractérisée en ce que
    l'élément d'actionnement (15a, 15b) possède un espace libre (19a, 19b) adapté à l'élément ressort (4a, 4b), dans lequel l'élément ressort (4a, 4b) peut être introduit par pivotement lors d'un mouvement de pivotement de la position fermée à la position ouverte sans déclencher un mouvement de rotation de l'élément d'actionnement (15a, 15b).
  2. Borne de raccordement électrique selon la revendication 1, caractérisée en ce que l'élément ressort (4a, 4b) possède au moins une portion de ressort de rappel (13a, 13b) au moyen de laquelle l'élément ressort (4a, 4b) peut être transféré automatiquement de la position fermée à la position ouverte.
  3. Borne de raccordement électrique selon la revendication 1 ou 2, caractérisée en ce que l'élément ressort (4a, 4b) est réalisé sous la forme d'un bloc-ressort possédant deux ressorts (6a, 7a, 6b, 7b) ou plus, les ressorts (6a, 6b, 7a,7b) pénétrant sur des distances différentes dans l'ouverture d'introduction de conducteur (2a, 2b).
  4. Borne de raccordement électrique selon l'une des revendications 1 à 3, caractérisée en ce que l'élément d'actionnement (15a, 15b) possède un moyen d'encliquetage (21a) destiné à maintenir l'élément d'actionnement (15a, 15b) dans une position fixe.
  5. Borne de raccordement électrique selon l'une des revendications 1 à 4, caractérisée en ce que l'élément d'actionnement (15a, 15b) possède une ouverture d'introduction d'outil (20a, 20b) servant à l'actionnement de l'élément d'actionnement (15a, 15b) au moyen d'un outil.
  6. Borne de raccordement électrique selon l'une des revendications 1 à 5, caractérisée en ce que l'élément d'actionnement (15a, 15b) possède un corps de base (17a, 17b) au niveau duquel est formé le bras d'actionnement (18a, 18b), le corps de base (17a, 17b) possédant une épaisseur supérieure à celle du bras d'actionnement (18a, 18b) .
  7. Borne de raccordement électrique selon l'une des revendications 1 à 6, caractérisée en ce que le boîtier (1) possède deux ouvertures d'introduction de conducteur (2a, 2b) et deux éléments ressorts (4a, 4b) ainsi que deux éléments d'actionnement (15a, 15b) sont disposés dans le boîtier (1), les deux éléments d'actionnement (15a, 15b) pouvant tourner l'un par rapport à l'autre de manière opposée et se faisant face de telle sorte que les bras d'actionnement (18a, 18b) des éléments d'actionnement (15a, 15b) sont disposés l'un derrière l'autre dans le sens de la séparation.
EP13730482.0A 2012-06-15 2013-06-06 Borne de connexion électrique Active EP2862236B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012011794A DE102012011794A1 (de) 2012-06-15 2012-06-15 Elektrische Anschlussklemme
PCT/EP2013/001662 WO2013185893A1 (fr) 2012-06-15 2013-06-06 Borne de connexion électrique

Publications (2)

Publication Number Publication Date
EP2862236A1 EP2862236A1 (fr) 2015-04-22
EP2862236B1 true EP2862236B1 (fr) 2019-08-07

Family

ID=48670483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13730482.0A Active EP2862236B1 (fr) 2012-06-15 2013-06-06 Borne de connexion électrique

Country Status (8)

Country Link
US (1) US9413085B2 (fr)
EP (1) EP2862236B1 (fr)
JP (1) JP5897773B2 (fr)
CN (1) CN104380531B (fr)
DE (1) DE102012011794A1 (fr)
ES (1) ES2751983T3 (fr)
IN (1) IN2014DN10587A (fr)
WO (1) WO2013185893A1 (fr)

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DE102015100823B4 (de) * 2015-01-21 2021-12-09 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
DE102015104270A1 (de) * 2015-03-23 2016-09-29 Eaton Electrical Ip Gmbh & Co. Kg Kontaktierungsvorrichtung zum Kontaktieren eines elektrischen Leiters an eine elektrische Leiterbahn
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DE102015119247A1 (de) 2015-11-09 2017-05-11 Wago Verwaltungsgesellschaft Mbh Verbindungsklemme
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CN104380531B (zh) 2017-02-22
JP5897773B2 (ja) 2016-03-30
ES2751983T3 (es) 2020-04-02
JP2015519712A (ja) 2015-07-09
DE102012011794A1 (de) 2013-12-19
US9413085B2 (en) 2016-08-09
EP2862236A1 (fr) 2015-04-22
IN2014DN10587A (fr) 2015-08-28
CN104380531A (zh) 2015-02-25
WO2013185893A1 (fr) 2013-12-19
US20150162671A1 (en) 2015-06-11

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