EP3028344A1 - Borne de connexion électrique et procédé - Google Patents

Borne de connexion électrique et procédé

Info

Publication number
EP3028344A1
EP3028344A1 EP14741327.2A EP14741327A EP3028344A1 EP 3028344 A1 EP3028344 A1 EP 3028344A1 EP 14741327 A EP14741327 A EP 14741327A EP 3028344 A1 EP3028344 A1 EP 3028344A1
Authority
EP
European Patent Office
Prior art keywords
clamping
axis
terminal
lever
actuating lever
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
EP14741327.2A
Other languages
German (de)
English (en)
Other versions
EP3028344B1 (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 EP3028344A1 publication Critical patent/EP3028344A1/fr
Application granted granted Critical
Publication of EP3028344B1 publication Critical patent/EP3028344B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/50Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5008Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using rotatable cam
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/50Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/52Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw which is spring loaded
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/50Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/505Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using an excentric element

Definitions

  • the present invention relates to an electrical
  • Terminal and method for connecting a conductor to a terminal are known in the art.
  • various terminals have become known, which are also suitable for the connection of conductors of large diameter.
  • conductors with large cross-sections can be connected to screw terminals.
  • the conductor is clamped to the electrical terminal via a screw connection.
  • a disadvantage of such screw terminals is that a simple pivoting of the stripped conductor from above is not readily possible. This leads in particular to large and solid conductors to the fact that the assembly is considerably more difficult because the conductor must be bent and axially inserted from the front into the screw before the head can be clamped.
  • the assembly is easier with an electrical terminal, which is the pivoting of a
  • the conductor to be connected can be shortened beforehand to the appropriate length and is then pivoted in during assembly.
  • WO 2013/004343 AI such a terminal has become known.
  • a hand lever and a clamping lever are provided, which are connected via a dynamic transmission ratio, so that at the beginning of the closing operation by a large movement of the clamping lever, a relatively small movement of the hand lever is effected, while at the end of the closing operation a large movement of the hand lever leads to a relatively small movement of the clamping lever.
  • a good compromise between opening angle and operating force is achieved.
  • An electrical connection terminal serves for the electrically contacting connection of at least one conductor to a current bar, which is accommodated on a holder. Furthermore, an operating lever for opening and closing the terminal and a clamping spring for clamping the conductor are provided. According to the invention, a sliding guide is provided, which comprises at least one closing slide and one of them branching clamping slide. It is the
  • the electrical terminal according to the invention has many advantages, as it provides a simple and flexible connection option for electrical conductors, even large diameter, offers and allows a reliable contact.
  • the leadership of the actuating lever in a slotted guide allows on the one hand to close the terminal when connecting a conductor initially largely and essentially powerless and then apply a high clamping force when the operating lever of a
  • Closing scenery is transferred to the tension gate.
  • the electrical terminal according to the invention provides a kind of tilting lever clamp available.
  • the holder has in particular two lateral walls, which are preferably at least approximately parallel to one another
  • the slotted guide is preferably provided in two lateral walls at least partially identical or identical overall. This means that the
  • the terminal has a free pivoting area for a conductor.
  • the upwardly open free pivoting range is not affected by the holder or a housing.
  • the closing link extends substantially transversely to the current bar.
  • the angle between the closing gate and the current bar is in particular greater than 30 ° and preferably greater than 45 ° and particularly preferably greater than 60 ° or greater than 75 °. The greater the angle between the closing gate and the current bar, the greater is the distance covered in the closing in
  • the link guide comprises a release link, which branches off transversely from the closing link.
  • the release link and the tensioning guide preferably extend in opposite directions.
  • the closing scenery, the tensioning scenery and the release scenery are link arms of the link guide.
  • the gate arms form guide arms in the holder, within which the first Axis and the second axis of the operating lever can move out.
  • the release link, the tensioning link and at least the part of the closing link, which connects the release link and the tensioning linkage form an overall approximately S-shaped configuration. Immerse the first axis of the actuating lever in the clamping slot and dives the second axis of the actuating lever in the
  • the first axis has a larger diameter than the second axis.
  • the first axis has a larger diameter than a width of the release link.
  • the second axis has a smaller axis than this width of the release link.
  • the minimum width of the release link has a small distance from the branch point. Then at least a wide immersion is prevented.
  • the release link can again have a greater width.
  • the first axis in the clamping slot and the second axis in the release link are in the closing scenery in the open state.
  • a clamping lever is provided in addition to the actuating lever.
  • the operating lever acts on the clamping lever when closing.
  • the clamping lever is received in particular pivotable about a pivot axis in the holder.
  • the clamping lever can have at least one clamping edge in order to clamp an inserted conductor against the current bar.
  • a particularly effective gear ratio can be provided.
  • the actuating lever acts on the clamping lever via the eccentric.
  • the clamping spring acts in the clamping state on the first axis and the pivot axis. In the clamping state, the clamping spring is preferably biased and brings the necessary clamping force permanently and reliably on the clamping lever. It is particularly preferred that, in the clamping state of the clamping lever is located behind a dead center. This means that in the clamping state there is a self-locking, in which any pivoting of the clamping lever initially requires a force. This means that both when trying to close the clamping lever and open again, first an increased force must be expended by the clamping spring against its clamping force must first be opened, for example, further.
  • the first axis is in the clamping state of the clamping spring. It is also particularly preferred that the first axis is arranged in the opening state spaced from the clamping spring. This is preferably realized in that the clamping spring has an overall approximately C-shaped configuration.
  • Actuator lever pivoted so that the first axis dive into the clamping linkage and the second axis in the release link. Upon further pivoting, the first axis is pressed against an arm of the clamping spring, so that the Clamping spring is biased during further pivoting of the actuating lever and applies the required clamping force.
  • the electrical terminal When you open the electrical terminal is a reverse sequence, so that the first axis relieves the leg of the clamping spring and eventually removed from it. Upon further transfer to the open state, it is finally driven out of the cross section of the clamping spring. But it is also possible that the first axis constantly within the spanned by the two legs cross-section of the clamping spring and is not present in the open state of the clamping spring, while in the clamping state directly or indirectly rests against a leg of the clamping spring to bias the clamping spring.
  • the actuating lever has at least one tool opening.
  • the tool opening may be adapted to receive a screwdriver or a similar rod-shaped tool, so that the operating lever via a in the tool opening
  • introduced tool can be operated.
  • the operating lever bent tabs can be provided on the operating lever bent tabs. It is also possible that at least one axis is accommodated on the actuating lever, which serves as an abutment during actuation.
  • the actuating lever which serves as an abutment during actuation.
  • the return spring provided, the actuating lever in the Opening position or the opening state biased.
  • the return spring is arranged such that the return spring in the clamping state increases the clamping force. This is advantageous since the return spring in the clamping state causes no reduction of the clamping action.
  • the holder and the clamping lever and the actuating lever are each punched bent parts.
  • a simple and cost-effective production is possible. Even an inexpensive installation is possible. At the same time, stable
  • At least one groove for securing an inserted conductor is provided on the current bar.
  • at least one conductor guide is preferably provided for centering a conductor accommodated on the current bar. It is possible and preferred that the groove is positioned on the current bar where the clamping edge presses against an inserted conductor. As a result, in particular with thinner conductors, a local bending of the conductor into the groove is effected, so that the necessary pull-out force is significantly increased.
  • the ladder guide for centering results in a reproducible central recording of a conductor, so that reproducible conditions and unequal loads are avoided.
  • two conductor guides may be provided at 120 ° in a V-shaped structure to center inlaid conductors.
  • the inventive method is used to clamp at least one conductor to a terminal to the conductor electrically conductive contact. It is at one
  • At least one clamping spring is used to generate a clamping force.
  • the actuating lever is movably guided with a first axis and with a second axis in a slotted guide. To connect the operating lever is first with the first axis and the second axis in the
  • Locking gate of the slide guide led. Upon reaching a transverse from the closing backdrop branching clamping scenery, the first axis is guided in the clamping slot to clamp the head.
  • the inventive method has the considerable advantage that the terminal is substantially closed when guiding the first and second axis within the closing gate, the terminal, while the required clamping force is applied when guiding the first axis in the clamping slot.
  • a particularly large transmission ratio is provided in a very simple manner.
  • the actuating lever is first guided in a longitudinal direction and then pivoted.
  • the second axis is immersed during pivoting in a transverse from the closing gate branching off release link.
  • the electrical terminal allows a particularly large opening area and a small
  • Swivel angle used during the operation for clamping In contrast, in the prior art, at least part of a swivel angle has already been used for clamping.
  • Terminal can be swung.
  • the electrical terminal can also be used to connect
  • Connecting cables are used that can not otherwise get into the terminal body.
  • FIG. 1 shows a schematic perspective view of an electrical connection terminal according to the invention with attached tool; an enlarged view of the electrical terminal of FIG. 1; a side view of the electrical terminal of FIG. 1; a front view of the electrical terminal of Fig. 1; a plan view of the electrical terminal of FIG. 4; a cross section according to the section lines A - A of FIG. 5; a highly schematic side view of the electrical terminal of Figure 1 in a first position. a highly schematic side view of the electrical terminal of Figure 1 in a second position. a highly schematic side view of the electrical terminal of Figure 1 in a third position. and a highly schematic side view of the electrical terminal of FIG. 1 in a fourth position.
  • Figure 1 shows a schematic perspective view of an electrical terminal 100 with an inserted Cable 125 with multiple conductors 126. It is in the
  • the clamping lever 102 clamps the inserted conductors 106 against the current bar 110.
  • the current bar 110 is received on the holder 108, which may be surrounded by a plastic housing, not shown here.
  • the terminal 100 can be used as a terminal block
  • the clamping lever 102 is pivotally received on the holder 108 via an axis 111.
  • One leg 136 of the clamping lever 102 is pivotally received on the holder 108 via an axis 111.
  • Clamping spring 101 abuts on the axis 111 (see also Fig. 7).
  • the operating lever 103 has (see Fig. 2) a
  • a slotted guide 114 which comprises a closing guide 104, which is linearly aligned here and extends transversely to the current bar 110. From the closing gate 104 branches off at the lower end of a clamping slot 105, in which the first axis 130 is immersed. The second axis 131 is immersed in the also releasing from the closing gate 114 release link 106.
  • FIG. 2 shows a schematically enlarged illustration of the electrical connection terminal 100 from FIG. 1.
  • the closing gate 104 comprises a first part 104a and 104b.
  • the portion 104a extends upwardly from the branch of the release slot 106 and the second portion 104b extends downwardly from the branch of the release slot 106.
  • At the lower end of the closing gate 104 branches off the clamping slide 105, in which the first axis 130 is introduced during clamping.
  • the second axis 131 immersed during clamping in the release link 106 a.
  • a hole 107 for an axis 133 (shown in phantom) is provided, on which a restoring spring 135, not shown here engages to bias the operating lever 103 in the open position.
  • the clamping lever 102 is as the holder 108 as
  • the clamping lever 102 has two spaced-apart and here parallel side walls 116 and 117.
  • the clamping lever 102 is pivoted about the axis 111, which is received on the bracket 108.
  • FIG. 3 shows a side view of the electrical connection terminal 100. It can be seen that the outer diameter
  • the outer diameter 140 of the first axis 130 is greater than the width
  • the operating lever 103 has the tool opening 109 into which a tool 120 can be inserted.
  • integrally formed bent tabs 122 and 123 are provided on the operating lever 103, which form an abutment for an inserted tool.
  • Bracket 108 extends over the full width of the bracket 108. As a result, a particularly high strength is achieved.
  • the tool opening 109 in the operating lever 103 can be seen from above.
  • the bent tabs 122 and 123 are visible as an abutment for a tool.
  • Fig. 6 shows the section AA of Fig. 5. In this case, the front wall of the holder 108 is cut away.
  • the clamping spring 101 has a constriction 118.
  • the clamping spring 101 engages with the leg 136, the axis 111 of the Clamping lever 102.
  • the other leg 137 of the clamping spring 101 is in this state on the first axis 130 of
  • Operating lever 103 is used in the open position.
  • a correspondingly suitable spring also causes a preloading of the clamping lever 102 in the open position.
  • the groove 113 causes conductors with in particular smaller diameters to be received in a particularly resistant manner, since they pass through the clamping edge 119 into the groove
  • the guide 112 causes a
  • the figures 7 to 10 show different positions and positions of the electrical terminal 100 in each highly schematized form. In this case, the holder 108 and other parts have been omitted to the
  • FIG. 7 shows the electrical connection terminal 100 approximately in the opening state 144.
  • a leg 136 of the clamping spring 101 engages behind the pivot axis 111 of the clamping lever 102, while the other leg 137 is exposed.
  • the actuating lever 103 is located far above the clamping spring 101.
  • the first axis 130 and the second axis 131 are located in the closing slot 104, not shown here, of the sliding block. 114. In this position, a ladder can be swiveled from above into the wide-open terminal.
  • the opening angle 146 between the current bar 110 and the clamping edge 1119 of the clamping lever 102 is here more than 75 ° and here even 90 °. Depending on the geometric design of the clamping lever 102, the opening angle 146 may be even larger or slightly smaller. As a rule, however, an opening angle 146 of 75 ° is sufficient to enable particularly rigid conductors 126 with large cross sections to pivot into the pivoting region 115 from above. At 90 ° opening angle, each ladder can be swiveled in.
  • the opened by about 90 ° clamping lever 102 is pivoted by almost 45 °, since the clamping lever 102 of the eccentric cam 129 comes into contact with the sliding edge 127 of the clamping lever 102 and thus ensures a wide pivoting of the clamping lever 102.
  • the first axis 130 begins in the legs 136 and 137 spanned
  • the first axis 130 presses against the
  • Fig. 10 shows the clamping state 145, in which the clamping spring 101 is tensioned and ensures that the clamping state 145 is maintained.
  • Actuating lever 103 and the clamping lever 102 is such that a self-locking is achieved, so that after removing the tool 120 from the tool opening 109 of the set state is maintained safely until about a further insertion of the tool 120 and a
  • the invention allows a terminal 100 with a large opening angle, while the electrical

Landscapes

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

Abstract

L'invention concerne une borne de connexion électrique (100) destinée à la connexion, par mise en contact électrique, d'un conducteur (126) à une barre de courant (110) reçue sur un élément de retenue (108), un levier d'actionnement (103) et un ressort de serrage (101) étant présents. Un guide de coulisse (114) comprend une coulisse de fermeture (104) et une coulisse de serrage (105) bifurquant transversalement de cette dernière. Le levier d'actionnement (103) est guidé mobile dans le guide de coulisse (114) au moyen d'un premier axe (130) et d'un second axe (131).
EP14741327.2A 2013-07-30 2014-07-21 Borne de connexion électrique et procédé Active EP3028344B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013108116.9A DE102013108116A1 (de) 2013-07-30 2013-07-30 Elektrische Anschlussklemme und Verfahren
PCT/EP2014/065603 WO2015014649A1 (fr) 2013-07-30 2014-07-21 Borne de connexion électrique et procédé

Publications (2)

Publication Number Publication Date
EP3028344A1 true EP3028344A1 (fr) 2016-06-08
EP3028344B1 EP3028344B1 (fr) 2021-01-06

Family

ID=51211250

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14741327.2A Active EP3028344B1 (fr) 2013-07-30 2014-07-21 Borne de connexion électrique et procédé

Country Status (5)

Country Link
US (1) US9543668B2 (fr)
EP (1) EP3028344B1 (fr)
CN (1) CN105409061B (fr)
DE (1) DE102013108116A1 (fr)
WO (1) WO2015014649A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013110475A1 (de) * 2013-09-23 2015-03-26 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
DE102014103826A1 (de) * 2014-03-20 2015-09-24 Harting Electric Gmbh & Co. Kg Paralleler Schraubanschluss
DE102015100823B4 (de) * 2015-01-21 2021-12-09 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
DE102015119342B4 (de) * 2015-11-10 2022-01-27 Phoenix Contact Gmbh & Co. Kg Anschlussklemme mit Kniehebel
LU93033B1 (de) 2016-04-20 2017-11-30 Phoenix Contact Gmbh & Co Kg Intellectual Property Licenses & Standards Elektrische Anschlussklemme und Verfahren
DE102016208291B4 (de) * 2016-05-13 2023-09-07 Zf Friedrichshafen Ag Federklammer, Montagewerkzeug sowie Verfahren zum Fixieren von Kontaktpartnern und Verbindungssystem zum Herstellen einer elektrischen und mechanischen Verbindung zwischen Kontaktpartnern
DE102016115490B4 (de) 2016-08-22 2018-06-07 Harting Electric Gmbh & Co. Kg Anschlusselement
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
DE102018123923B4 (de) * 2018-09-27 2020-06-25 Phoenix Contact Gmbh & Co. Kg Anschlussklemme
DE102018129950A1 (de) * 2018-11-27 2020-05-28 Phoenix Contact Gmbh & Co. Kg Federkraftklemme zum Verbinden von Leitern
DE102022117103A1 (de) 2022-07-08 2024-01-11 Harting Electric Stiftung & Co. Kg Kabelanschlusseinrichtung

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US3354518A (en) * 1965-10-07 1967-11-28 George E Mickel Jr Adjustable cable clamp
CA1210108A (fr) * 1984-01-19 1986-08-19 Holland Hall Connecteur electrique a rabat
SE8803688D0 (sv) * 1988-10-17 1988-10-17 C A Weidmueller Gmbh & Co Handverktyg med elektrisk drift
US5460358A (en) * 1993-11-29 1995-10-24 Sendoykas; Jack J. Power clamp
US5810628A (en) * 1996-06-21 1998-09-22 General Electric Company Circuit breaker line and load terminal
DE19635135C1 (de) * 1996-08-30 1998-01-15 Weidmueller Interface Einrichtung zum Klemmen eines elektrischen Leiters
US7077711B1 (en) * 2005-08-16 2006-07-18 Yazaki North America, Inc. Cam lock for electrical terminal
DE102006043276A1 (de) * 2006-09-14 2007-10-25 Siemens Ag Klemme zum elektrischen Verbinden einer Sammelschiene mit einem Kabel
EP1909359A3 (fr) * 2006-10-06 2008-07-16 ABB PATENT GmbH Borne de serrage, agencement de connexion par serrage et commutateur d'installation
JP2008159481A (ja) * 2006-12-25 2008-07-10 Matsushita Electric Works Ltd 端子装置
FR2930376A1 (fr) * 2008-04-22 2009-10-23 Abb France Borne de raccordement et appareil electrique basse tension
WO2010022955A1 (fr) * 2008-08-27 2010-03-04 Phoenix Contact Gmbh & Co. Kg Borne de raccordement électrique
DE102011106432A1 (de) 2011-07-04 2013-01-10 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
DE102011055845A1 (de) * 2011-11-29 2013-05-29 Phoenix Contact Gmbh & Co. Kg Anschlussklemme mit Kniehebelbetätigung
DE102012110759B4 (de) * 2012-11-09 2021-04-01 Wago Verwaltungsgesellschaft Mbh Federkraftklemmanschluss und elektrisches Gerät hiermit
DE102013101411B4 (de) * 2013-02-13 2018-03-22 Wago Verwaltungsgesellschaft Mbh Federkraftklemmanschluss und Leiteranschlussklemme

Also Published As

Publication number Publication date
US20160149319A1 (en) 2016-05-26
CN105409061B (zh) 2017-12-26
DE102013108116A1 (de) 2015-02-19
CN105409061A (zh) 2016-03-16
US9543668B2 (en) 2017-01-10
WO2015014649A1 (fr) 2015-02-05
EP3028344B1 (fr) 2021-01-06

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