EP2729991B1 - Borne de connexion - Google Patents

Borne de connexion Download PDF

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Publication number
EP2729991B1
EP2729991B1 EP12737199.5A EP12737199A EP2729991B1 EP 2729991 B1 EP2729991 B1 EP 2729991B1 EP 12737199 A EP12737199 A EP 12737199A EP 2729991 B1 EP2729991 B1 EP 2729991B1
Authority
EP
European Patent Office
Prior art keywords
lever
clamping
connection terminal
holder
previous
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
EP12737199.5A
Other languages
German (de)
English (en)
Other versions
EP2729991A1 (fr
Inventor
Andreas Wendt
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 EP2729991A1 publication Critical patent/EP2729991A1/fr
Application granted granted Critical
Publication of EP2729991B1 publication Critical patent/EP2729991B1/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
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5008—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using rotatable cam
    • 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
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/52—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw which is spring loaded

Definitions

  • the present invention relates to an electrical terminal, and more particularly to a tilting lever terminal for connecting a conductor.
  • connection device for non stripped wires of different diameters become known.
  • Sawtooth-like cutting plates are provided on a cutting body, wherein the height of the contact blades increases from the insertion side in order to achieve correspondingly adapted opening widths for non-stripped lines of different diameters.
  • the electrical terminal comprises at least one holder and at least one clamping lever pivotally arranged thereon with at least one clamping unit for clamping at least one conductor between the clamping unit and a current bar. It is provided a hand lever which is pivotally received on the clamping lever to allow a dynamic transmission ratio during the closing operation and a high clamping force. There is provided at least one auxiliary lever, which connects the hand lever pivotally connected to the holder.
  • the electrical terminal according to the invention has many advantages, as it provides a simple and flexible connection option for electrical conductors and allows safe contact.
  • pivotally mounted clamping lever it is possible to the invention opening the electrical connection terminal so that an electrical conductor to be connected can be swung in from above into the opened connection terminal. The clamping state is then effected by pivoting the clamping lever.
  • the hand lever and the clamping lever are arranged such that a self-locking of the clamping state is effected. If the hand lever is transferred in this embodiment of the open state in the clamping state, a dead center is exceeded. The hand lever is in the clamping state in such a position in which only force must be applied again to move the hand lever from the clamping state to the open state.
  • auxiliary levers are provided, which are arranged in particular symmetrically on both sides of the housing or on both sides of the holder.
  • the at least one Auxiliary levers are a particularly effective gear ratio and a dynamic change of the gear ratio possible.
  • one side of the auxiliary lever is pivotally held on the holder.
  • Another side of the auxiliary lever is preferably pivotally connected to the hand lever. It is possible that the pivot points of the auxiliary lever are each arranged close to the respective ends of the auxiliary lever. But it is also possible that the pivot points have on the one and on the other side of the auxiliary lever a considerable distance from the respective end of the auxiliary lever.
  • the hand lever is pivotally connected at one end to the clamping lever and at another end pivotally connected to the auxiliary lever.
  • the term “at the end” also means a clear distance from the absolute end of the hand lever. Thus, distances of 20 or 30% of the total length to the respective pivot point are possible. The total length is determined by the functionally required length for the pivoting movement, so that the definition of the ends refers to the functionally required for the pivoting action length.
  • the clamping unit comprises at least one clamping foot and / or at least one clamping point and / or at least one clamping point.
  • the clamping unit comprises a clamping foot or a plurality of clamping feet, each clamping foot having a clamping prong or a plurality of clamping prongs, which lead to a particularly secure hold of the clamped conductor to the electrical terminal.
  • the clamping prongs or instead of the clamping prongs clamping points are provided which dig into the material of the conductor in order to achieve a high Auszieh
  • At least one spring device is provided to counteract subsidence phenomena. It is possible that the electrical terminal itself or at least some parts or components thereof cause or at least contribute to the spring action of the spring device.
  • the spring action of the spring means is at least partially generated by at least one component of a group of components, said group of components comprising the holder and the hand lever and the auxiliary lever.
  • the entire spring effect can be generated by the terminal itself and by the components involved, without a spring in the form of, for example, a spiral or leaf spring or the like is present.
  • a very high spring stiffness is provided, which provides a reliable hold even with large conductor cross-sections guaranteed. Settling phenomena are reliably compensated.
  • the spring device has at least one clamping spring, wherein at least one clamping spring is preferably provided on the clamping unit. It is also possible and preferred for a plurality of clamping springs, in particular designed as leaf springs, to be provided on the clamping unit. Such particular parallel leaf springs increase the spring force with increasing deflection, so that for larger conductor cross-sections, a greater spring force is applied than for smaller conductor cross-sections.
  • clamping springs on the clamping unit and in particular the clamping foot of the clamping lever may also be provided at least one spring unit which presses in particular from below against the current bar.
  • the clamping unit can be provided above the current bar and the spring unit can be arranged below the current bar. In such an embodiment, pressure is applied to the conductor located between the clamping unit and the current bar from above through the clamping unit, while the current bar is pressed from below through the spring unit against the conductor.
  • the conductor is inserted below the current bar, so that the current bar is pressed by the clamping unit against the head.
  • the hand lever has a tool holder.
  • the hand lever may have an insertion opening for a tool, so that a Tool such as a screwdriver or the like can be inserted into the hand lever. This lengthens the effective length of the hand lever so that a much greater force can be applied with the hand lever. At the same time, the operation is facilitated by the insertion of a tool in the hand lever.
  • the hand lever and / or the holder and / or the auxiliary lever in each case substantially or even completely consist of one or more bent metal strips.
  • Such a configuration allows a stable construction of the terminal according to the invention, wherein the production is simple and inexpensive.
  • the holder has at least one stop for the auxiliary lever and / or the hand lever.
  • a defined closed position is provided because the hand lever must be moved until the auxiliary lever and / or the hand lever itself strikes the stop of the holder.
  • At least one stop for the open state is provided to limit the opening movement.
  • a high power transmission is present in order to transmit the force applied to the hand lever to a considerable extent reinforced on the clamping lever.
  • the hand lever is so accommodated on the clamping lever and it is the auxiliary lever connected to the hand lever and the holder such that a dynamic Translation of the road conditions when closing and opening done.
  • At least one insulating layer and / or an insulating housing are provided to isolate the electrical terminal to the outside.
  • the proposed electrical terminal provides a tilting lever clamp with a dynamic leverage available, which is pressed when swiveling the conductor located in the terminal on the current bar. Due to the dynamic leverage is in an upper pivot range, in which no large force is needed, in particular a lever reduction provided. This means that a small pivoting movement of the hand lever causes a relatively large pivoting movement of the clamping lever. In the area in which the conductor is clamped, a sliding lever translation sets, so that a large pivoting movement of the hand lever causes a relatively smaller movement of the clamping lever. In a corresponding manner, a higher pressure force is applied to the conductor.
  • the use of spring elements allows a certain elasticity of the construction and thus also the operation with different conductor cross sections. At the same time, the setting behavior of the conductor is compensated. By overcoming a dead center, a secure clamped state is achieved.
  • FIG. 1 shows a terminal block 100 according to the invention with a plurality of electrical connection terminals 1 according to the invention, which are each designed here as a tilting lever clamp and have a dynamic leverage.
  • Each individual terminal 1 has an insulating housing 21, which may be formed as a one-piece housing or consists of several individual parts in order to effect the desired electrical insulation effect.
  • a hand lever 7 serves to operate each individual electrical connection terminal 1. In the clamped state, a - in FIG. 1 not shown conductor - recorded clamped in the conductor receiving space 8.
  • FIG. 2 shows a front view of an electrical terminal 1 according to the invention, which can be used individually or part of the terminal 100 from FIG. 1 is.
  • the terminal 1 is surrounded outside of the insulating housing 21.
  • the terminal 1 has a holder 2, on which a clamping lever 3 is pivotally mounted.
  • the clamping lever 3 has a clamping unit 4, which here comprises a clamping foot 9. With the clamping foot 9, a conductor introduced into the conductor receiving space 8 is clamped between the clamping foot 9 and the current bar 6.
  • the hand lever 7 has a tool holder 22 with an opening through which the slot 24 at the rear end of the hand lever 7 is visible.
  • An inserted into the opening 22 screwdriver can be snapped into the slot 24 and thus allows a defined guidance of the hand lever 7 on the pivotal movement of the inserted screwdriver.
  • the hand lever 7 is connected via two auxiliary lever 12 with the holder 2 here.
  • the function of these components will be explained in more detail with reference to the other figures.
  • FIG. 3 shows a perspective view of a terminal 1 without the surrounding the terminal 1 insulating components.
  • a current bar 6 is added on the holder 2.
  • a pivot axis 25 of the clamping lever 3 is pivotally received on the holder 2.
  • a partially open state 11 is shown in which the clamping lever 3 pivots a considerable amount upwards has been.
  • the clamping lever 3 is pivotable about the pivot axis 25.
  • a pivot axis 26 is provided, which is the rear pivot axis 26 of the hand lever.
  • the hand lever 7 is pivotally received on the front pivot axis 28 relative to the two auxiliary levers 12.
  • Each auxiliary lever 12 is pivotally received on one side 13 via the pivot axis 27 on the holder 2, while on the other side 14 of the auxiliary lever 12, the pivot axis 28 is provided as the front pivot axis of the hand lever 7.
  • FIG. 4 shows the clamping lever 3 in a side view.
  • the clamping unit 4 is arranged with the clamping foot 9, wherein to increase the pull-out clamping prongs 17 are provided on the clamping foot 9.
  • a spring means 18 which has a plurality of clamping springs 19, which are designed here as leaf springs and extend parallel to each other.
  • the clamping lever 3 is provided pivotably about the pivot axis 25, wherein here in the clamping lever 3, a through hole is provided.
  • the pivot axis 26 for pivoting the hand lever 7 here comprises stub axle on the outside of the clamping lever 3. On this stub axle corresponding openings of the hand lever 7 are plugged to connect the hand lever 7 pivotally about the pivot axis 26 with the clamping lever 3.
  • FIG. 5 shows a corresponding plan view of the clamping lever.
  • FIG. 6 shows a slightly perspective view of the hand lever 7, wherein the holes or holes on the pivot axes 26 and 28 are clearly visible.
  • the pivot axis 26 is provided, while at the front or other end 16, the pivot axis 28 of the hand lever 7 is arranged.
  • the hand lever 7 here consists of a total of a curved metal strip, but can also be made of other materials consist. To facilitate the bending process holes 31 may be provided at the bending edges.
  • FIG. 7 shows a side view of an auxiliary lever 12 in which the pivot axis 27 is provided on one side 13 and at one end, while on the other side 14 and at the other end, the pivot axis 28 is provided.
  • the pivot axis 27 is provided on one side 13 and at one end, while on the other side 14 and at the other end, the pivot axis 28 is provided.
  • the auxiliary lever 12 is plugged onto corresponding stub axle on the holder 2 and the clamping lever 3, to connect the components against each other pivotally.
  • FIG. 8 shows a side view of the holder 2, which has at the location of the pivot axis 25 here has a hole, while at the location of the pivot axis 27 stub axles are laterally out of the holder 2 out.
  • the current bar 6 is clamped at one end by a bend 32 of the holder.
  • FIG. 9 shows a cross section through a mounted terminal 1 in the clamping state 10.
  • the current bar 6 is held by the bend 32 on the holder 2.
  • the clamping lever 3 is pivotally received over the pivot axis 25 relative to the holder 2, so that by a pivoting movement of the clamping lever 3 in the counterclockwise direction in FIG FIG. 9 shown clamping state 10 is left and the terminal, for example, in the in FIG. 3 shown opened state 11 is transferred.
  • the clamping springs 19 at the front end, where the clamping foot 9 is arranged.
  • pivot axis 26 Shown here only by dashed lines is the pivot axis 26, which is located for the one auxiliary lever 12 spatially in front of the cutting plane and for the other auxiliary lever 12 behind the cutting plane.
  • a spring unit 20 which presses against the current bar 6 from below.
  • the spring unit 20 is designed here as a bent sheet metal strip and is clamped to the stop 29 by bending, while the spring unit can slide resiliently against the stop 30 on the slope to produce the spring action.
  • FIG. 10 shows the uncut state of the terminal 1 according to FIG. 9 in the clamped state 10.
  • the auxiliary lever 12 is located with a part of its lever length on the stop 23 of the holder.
  • the stopper 23 represents an end stop, which determines the clamped state. In this position, a self-locking position of the hand lever 7 and the clamping lever 3. During the movement of the open state 11 in the clamping state 10, a dead center is exceeded, so that first force is required to solve this condition.
  • FIG. 11 shows a wide open state 11, in which a pivoting of a conductor to be connected 5 from above is very easy.
  • the conductor 5 does not have to be bent and inserted through a front opening, but can Simply swivel from above into the wide open terminal 1 until the conductor rests approximately on the current bar 6.
  • the hand lever 7 is pivoted, for example after insertion of a tool in the tool holder 22 from the open state in the direction of the clamping state, whereby initially in an accelerated manner the clamping lever 3 from the wide open state to FIG. 11 in a partially open state, as in FIG. 12 is shown, is pivoted.
  • the clamping springs 19 allow a defined spring action.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Claims (14)

  1. Borne de connexion électrique (1) comprenant un support (2) et au moins un levier de serrage (3) disposé dessus de manière pivotante avec au moins une unité de serrage (4) pour serrer au moins un conducteur (5) entre l'unité de serrage (4) et une barre conductrice (6),
    caractérisée en ce qu'un levier à main (7) est prévu, lequel est réceptionné de manière pivotante sur le levier de serrage (3), et en ce qu'un levier auxiliaire (12) est prévu, lequel relie de manière pivotante le levier à main (7) au support (2) afin de permettre un rapport dynamique de transmission lors du processus de fermeture et une force de serrage élevée.
  2. Borne de connexion (1) selon la revendication 1, dans laquelle le levier à main (7) et le levier de serrage (3) sont disposés de manière à provoquer un auto-blocage de l'état de serrage (10).
  3. Borne de connexion (1) selon la revendication 3, dans laquelle le levier auxiliaire (12) est tenu d'un côté (13) de manière pivotante sur le support (2) et est relié d'un autre côté (14) de manière pivotante au levier à main (7).
  4. Borne de connexion (1) selon les revendications 3 ou 4, dans laquelle le levier à main (7) est relié d'un côté (15) de manière pivotante au levier de serrage (3) et est relié d'un autre côté (16) de manière pivotante au levier auxiliaire (12).
  5. Borne de connexion (1) selon l'une des revendications précédentes, dans laquelle l'unité de serrage (4) comprend au moins une embase de serrage (9) et/ou comprend au moins une dent de serrage (17) et/ou au moins une pointe de serrage.
  6. Borne de connexion (1) selon l'une des revendications précédentes, dans laquelle on prévoit au moins un dispositif de ressort (18).
  7. Borne de connexion (1) selon la revendication précédente, dans laquelle au moins un composant contribue au moins à l'effet de ressort du dispositif de ressort (18), dans laquelle l'au moins un composant provient d'un groupe de composants comprenant le support (2) et le levier à main (7) et le levier auxiliaire (13).
  8. Borne de connexion (1) selon l'une des deux revendications précédentes, dans laquelle l'unité de serrage (4) présente au moins un ressort de serrage (19).
  9. Borne de connexion (1) selon l'une des revendications précédentes, dans laquelle l'unité de serrage (4) est prévue au-dessus de la barre conductrice (6) et dans laquelle au moins une unité de ressort (20) est prévue au-dessous de la barre conductrice (6).
  10. Borne de connexion (1) selon l'une des revendications précédentes, dans laquelle le levier à main (7) présente un logement d'outil (22).
  11. Borne de connexion (1) selon l'une des revendications précédentes, dans laquelle le levier à main (7) et/ou le support (7) et/ou le levier auxiliaire (13) se composent sensiblement d'une bande métallique (23) cintrée.
  12. Borne de connexion (1) selon l'une des revendications précédentes, dans laquelle le support (2) présente au moins une butée (23) pour le levier auxiliaire (12) et/ou le levier à main (7).
  13. Borne de connexion (1) selon l'une des revendications précédentes, dans laquelle il y a une transmission élevée de force à la fin du processus de fermeture.
  14. Borne de connexion (1) selon l'une des revendications précédentes, dans laquelle le levier à main (7) est réceptionné au niveau du levier de serrage (3) de telle sorte que, et le levier auxiliaire (12) étant relié au levier à main (7) et au support (2) de telle sorte qu'il s'en suit une transmission dynamique des rapports de trajet lors de la fermeture.
EP12737199.5A 2011-07-04 2012-06-18 Borne de connexion Active EP2729991B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011106432A DE102011106432A1 (de) 2011-07-04 2011-07-04 Elektrische Anschlussklemme
PCT/EP2012/002564 WO2013004343A1 (fr) 2011-07-04 2012-06-18 Borne de connexion électrique

Publications (2)

Publication Number Publication Date
EP2729991A1 EP2729991A1 (fr) 2014-05-14
EP2729991B1 true EP2729991B1 (fr) 2015-11-18

Family

ID=46545314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12737199.5A Active EP2729991B1 (fr) 2011-07-04 2012-06-18 Borne de connexion

Country Status (9)

Country Link
US (1) US9425519B2 (fr)
EP (1) EP2729991B1 (fr)
JP (1) JP5763840B2 (fr)
CN (1) CN103636067B (fr)
DE (1) DE102011106432A1 (fr)
DK (1) DK2729991T3 (fr)
ES (1) ES2559826T3 (fr)
IN (1) IN2014CN00831A (fr)
WO (1) WO2013004343A1 (fr)

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US8864502B2 (en) 2012-05-04 2014-10-21 Thomas & Betts International, Inc. Mechanical grounding connector
DE102013004666A1 (de) * 2013-03-19 2014-09-25 Phoenix Contact Gmbh & Co. Kg Klemmenblockanordnung
DE102013006739B4 (de) * 2013-04-19 2019-06-06 Phoenix Contact Gmbh & Co. Kg Anschlussklemme
DE102013108116A1 (de) 2013-07-30 2015-02-19 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme und Verfahren
DE102013110481A1 (de) 2013-09-23 2015-03-26 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
DE102013110477B4 (de) * 2013-09-23 2021-11-04 Phoenix Contact Gmbh & Co. Kg Durchführungsklemme und elektrische Baueinrichtung
DE102013110475A1 (de) * 2013-09-23 2015-03-26 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
DE102014113265A1 (de) * 2014-09-15 2016-03-17 Itz Innovations- Und Technologiezentrum Gmbh Kabelzugentlastung
DE102015100823B4 (de) * 2015-01-21 2021-12-09 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
CN104836037B (zh) * 2015-05-18 2017-03-29 赵德仁 一种连接器
DE102016124891B4 (de) 2016-12-20 2019-03-21 Phoenix Contact Gmbh & Co. Kg Anschlussklemmensystem zum Anschließen zumindest einer elektrischen Leitung
DE102017111735A1 (de) 2017-05-30 2018-12-06 Phoenix Contact Gmbh & Co. Kg Anschlussklemmensystem zum Anschließen einer elektrischen Leitung
DE202018006172U1 (de) 2018-04-20 2019-06-06 Phoenix Contact Gmbh & Co. Kg Anschlussklemme zum Anschließen zumindest einer elektrischen Leitung
CN108493066A (zh) * 2018-05-30 2018-09-04 乐清市高科环保电子有限公司 一种导电结构、连接单元及断路器
JP6740291B2 (ja) * 2018-07-20 2020-08-12 ファナック株式会社 電子機器
DE102018123923B4 (de) * 2018-09-27 2020-06-25 Phoenix Contact Gmbh & Co. Kg Anschlussklemme
DE102018129948A1 (de) * 2018-11-27 2020-05-28 Phoenix Contact Gmbh & Co. Kg Federkraftklemme zum Verbinden von Leitern
DE102018129950A1 (de) * 2018-11-27 2020-05-28 Phoenix Contact Gmbh & Co. Kg Federkraftklemme zum Verbinden von Leitern
DE102018129949A1 (de) * 2018-11-27 2020-05-28 Phoenix Contact Gmbh & Co. Kg Federkraftklemme zum Verbinden von Leitern

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GB9013869D0 (en) 1990-06-21 1990-08-15 Toby Lane Limited Improvements in or relating to electrical connectors
JP3253202B2 (ja) 1993-12-22 2002-02-04 株式会社東京測器研究所 端子台
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Also Published As

Publication number Publication date
JP2014518436A (ja) 2014-07-28
DE102011106432A1 (de) 2013-01-10
US20140134892A1 (en) 2014-05-15
DK2729991T3 (en) 2016-02-15
WO2013004343A1 (fr) 2013-01-10
JP5763840B2 (ja) 2015-08-12
ES2559826T3 (es) 2016-02-16
CN103636067A (zh) 2014-03-12
IN2014CN00831A (fr) 2015-04-03
US9425519B2 (en) 2016-08-23
CN103636067B (zh) 2017-04-12
EP2729991A1 (fr) 2014-05-14

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