EP3734767B1 - Agencement de raccordement ainsi que borne de raccordement - Google Patents

Agencement de raccordement ainsi que borne de raccordement Download PDF

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Publication number
EP3734767B1
EP3734767B1 EP20170273.5A EP20170273A EP3734767B1 EP 3734767 B1 EP3734767 B1 EP 3734767B1 EP 20170273 A EP20170273 A EP 20170273A EP 3734767 B1 EP3734767 B1 EP 3734767B1
Authority
EP
European Patent Office
Prior art keywords
clamping
lug
conductor
yoke
space
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
EP20170273.5A
Other languages
German (de)
English (en)
Other versions
EP3734767A1 (fr
Inventor
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 EP3734767A1 publication Critical patent/EP3734767A1/fr
Application granted granted Critical
Publication of EP3734767B1 publication Critical patent/EP3734767B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4854Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
    • H01R4/4863Coil spring
    • H01R4/4872Coil spring axially compressed to retain wire end
    • 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
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4854Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
    • H01R4/4863Coil spring
    • 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
    • H01R4/5083Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural 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
    • H01R9/22Bases, e.g. strip, block, panel
    • H01R9/24Terminal blocks
    • H01R9/26Clip-on terminal blocks for side-by-side rail- or strip-mounting

Definitions

  • the invention relates to a connection arrangement for connecting an electrical conductor, which has a current bar, a clamping bracket and a compression spring, the clamping bracket having two clamping legs arranged parallel to one another and a connecting web connecting the two clamping legs to one another, the clamping legs each having a feed-through opening through which the current bar is passed through and through which the conductor to be connected is guided in a clamped position in such a way that the conductor is clamped against the current bar, and wherein the compression spring is arranged between the connecting web of the tension bar and the current bar and when the tension bar moves from the clamped position to an open position is compressible. Furthermore, the invention relates to a connection terminal which has an insulating material housing and at least one connection arrangement designed in this way and arranged in the insulating material housing.
  • Connection terminals with such a connection arrangement are often used as high-current terminals, in which conductors with a relatively large cross-section of preferably 35 mm 2 to 150 mm 2 can be connected.
  • Connection arrangements of this type have clamping bracket connections which are formed from a U-shaped clamping bracket and a compression spring.
  • the compression spring is arranged in the clamping yoke in such a way that it pulls the lower end of the clamping yoke against the underside of a current bar, so that an electrical conductor inserted there through a passage opening in the clamping limb of the clamping yoke against the underside of the through-openings in the clamping limb of the clamping yoke extending current bar is clamped.
  • Such terminals are for example from EP 1 798 819 B1 and the DE 10 2015 112433 A1 known.
  • the disadvantage is that opening the terminal point of such a clamping bracket connection, for which the compression spring must be axially compressed, is often only possible with such connection arrangements with the aid of supporting actuating elements, so that connecting a conductor requires more effort for the user.
  • the invention is therefore based on the object of making available a connection arrangement and a connection terminal in which the outlay for connecting a conductor can be reduced for a user.
  • connection arrangement according to the invention is characterized in that the clamping bracket has at least one clamping lug which projects into a clamping space formed between the two clamping legs, which forms an insertion bevel for inserting the conductor to be connected into the clamping space and by means of which the conductor in the clamping position against the current bar is stuck.
  • the clamping bracket now has a clamping lug which protrudes into a clamping space or free space formed between the two clamping legs of the clamping bracket in such a way that it can form an insertion bevel for a conductor to be connected when the conductor is inserted into the clamping space.
  • the clamping lug preferably protrudes obliquely or at an angle into the clamping space, in that the clamping lug is arranged at an angle or at an angle relative to the clamping legs.
  • the conductor when the conductor is inserted into the clamping space, it can exert pressure on the clamping lug and thus on the clamping bracket, as a result of which the clamping bracket can move automatically into an open position.
  • the clamping bracket and thus the entire connection arrangement can thus be designed so that they can be plugged in directly, so that a conductor can be connected without the aid of an additional tool for moving the clamping bracket into the open position. This enables direct plugging, especially of rigid conductors, without the use of tools.
  • the clamping lug is designed in such a way that, in addition to being designed as an insertion aid, it can also clamp the conductor inserted into the terminal space against the current bar, in that the conductor inserted into the terminal space can be pressed against the current bar by means of the clamping lug.
  • the clamping lug pressing against the connected conductor forms a kind of pull-out stop for the conductor, so that the conductor cannot be unintentionally pulled out of the clamping space, since the clamping lug can become wedged with the connected conductor.
  • the at least one clamping lug preferably protrudes at an angle of 10° ⁇ 70°, particularly preferably at an angle of 30° ⁇ 50° Longitudinal extent of the clamping legs or to a longitudinal extent of one of the clamping legs into the terminal space.
  • the clamping lug thus preferably extends at an angle to a longitudinal extension of the clamping legs into the clamping space.
  • the clamping lug is preferably arranged on one of the two clamping legs of the clamping bracket.
  • the clamping lug thus preferably extends into the clamping space, starting from one of the clamping legs.
  • the clamping lug is preferably arranged on the clamping leg through whose feed-through opening the conductor to be connected is inserted first in the direction of insertion and which is therefore arranged closer to the conductor insertion opening of an insulating material housing of a connection terminal.
  • the at least one clamping lug is preferably arranged as close as possible to a lead-through opening of a clamping leg in order to be able to facilitate insertion of the conductor to be connected.
  • the at least one clamping lug can preferably extend into the clamping space, starting from an edge region delimiting the feed-through opening of one of the two clamping legs.
  • the edge area of the feed-through opening preferably forms a lower edge of the feed-through opening, which is directed in the direction of the current bar.
  • the at least one clamping lug can be mounted so that it can pivot relative to the two clamping legs. Due to the pivotable mounting, the clamping lug can be pivoted further into the clamping space when inserting a conductor into the clamping space in order to facilitate the insertion of a conductor.
  • the tension bracket can have, for example, an axis of rotation on which the at least one clamping lug can be mounted in a pivotable manner.
  • the axis of rotation can be designed as an axis body, which can preferably extend transversely to the longitudinal extent of one of the clamping legs.
  • the axis of rotation can preferably extend between two opposite edge regions delimiting a feed-through opening of a clamping leg.
  • the clamping strap can have an opening through which the axis of rotation can be guided, so that the axis of rotation can be guided through the clamping strap.
  • the tension bracket can preferably have a limit stop for limiting the pivoting movement of the at least one clamping lug.
  • the limit stop is preferably designed in such a way that it can prevent the clamping lug from swiveling in too far into the clamping space.
  • connection terminal which has an insulating material housing and at least one connection arrangement which is arranged in the insulating material housing and which can be designed and developed as described above.
  • connection terminal can have one or more such connection arrangements. If the connection terminal has two such connection arrangements, the connection terminal can, for example, form a terminal block which can be snapped onto a mounting rail.
  • connection terminal 200 with an insulating housing 210, within which two terminal assemblies 100 for connecting an electrical conductor 300 are arranged.
  • the connection terminal 200 is designed here in the form of a terminal block, which can be arranged on a mounting rail.
  • Two conductor insertion openings 211 are formed in the insulating material housing 210, via which a conductor 300 to be connected can be guided into the insulating material housing 210 towards the respective connection arrangement 100.
  • connection arrangements 100 each have a current bar 110 which is connected to one another in one piece here.
  • connection arrangements 100 each have a tension yoke 111 and a compression spring 112, the tension yoke 111 together with the compression spring 112 forming a tension yoke connection.
  • the tension bracket 111 has two clamping legs 113, 114 arranged parallel to one another.
  • the two clamping legs 113, 114 are connected to one another at their upper end via a connecting web 115. Due to the two clamping legs 113, 114 and the connecting web 115, the clamping bracket 111 has a U-shape.
  • a feed-through opening 116, 117 is formed on each of the two clamping legs 113, 114, such as in FIG 4 can be seen.
  • the current bar 110 is passed through the lead-through openings 116 , 117 , so that the current bar 110 protrudes through the tension bracket 111 .
  • a Conductor 300 to be connected passed through the two lead-through openings 116, 117 of the clamping legs 113, 114, as in 2 and 3 can be seen. Through the lead-through openings 116, 117, the clamping limbs 113, 114 of the clamping bracket 111 can be seated on the current bar 110.
  • the tension bracket 111 is arranged to be movable or displaceable relative to the current bar 110 .
  • the direction of movement B of the tension bracket 111 is transverse to the direction E of insertion of a conductor 300 into the connection arrangement 100 or into the connection terminal 200 .
  • the clamping bracket 111 can be moved into a clamping position, as shown in 3 is shown, and in an open position as shown in 2 is shown to be transferred.
  • the clamping bracket 111 can be actuated using a tool 400, which can be inserted into the insulating material housing 210 via an opening 212 on the insulating material housing 210 in order to be able to actuate the clamping bracket 111 by applying a compressive force to the connecting web 115 of the clamping bracket 111.
  • the tool 400 can be a screwdriver, for example.
  • the compression spring 112 is designed in the form of a spiral spring.
  • the compression spring 112 is arranged between the connecting web 115 of the tension bracket 111 and the current bar 110 .
  • the compression spring 112 is compressed during the movement of the clamping bracket 111 from the clamped position into the open position. This is done by applying a compressive force using tool 400 to tension bracket 111 and thus to compression spring 112.
  • the clamping bracket 111 When inserting a conductor 300 to be connected into the connection arrangement 100, on the other hand, the clamping bracket 111 does not have to be actuated by means of the tool 400, since the clamping bracket 111 has a clamping lug 118 which protrudes into a clamping space 119 formed between the two clamping legs 113, 114.
  • the clamping lug 118 forms an insertion bevel for inserting the conductor 300 to be connected into the clamping space 119, along which the conductor 300 to be connected can slide and thereby exert a compressive force on the clamping lug 118 and thus on the tension bracket 111, as a result of which the tension bracket 111 is moved in this way can that the feed-through openings 116, 117 are released and thereby the conductor 300 to be connected can be passed through the feed-through openings 116, 117.
  • This enables a conductor 300 to be plugged in directly, so that a conductor 300 can be connected without the use of tools.
  • the clamping lug 118 is, as in 2 is drawn in, at an angle of 10° ⁇ 70° to the longitudinal extent L of the clamping legs 113, 114. In the embodiment shown here, the clamping lug 118 is arranged approximately at an angle ⁇ of approximately 45° to the longitudinal extent L of the clamping legs 113, 114.
  • the clamping lug 118 has a clamping edge 120 at its free end, by means of which the conductor 300 is clamped in the clamped position against the current bar 110, as shown in FIG 3 can be seen.
  • the clamping lug 118 is arranged on one of the two clamping limbs 113, 114, the clamping lug 118 being arranged here on the clamping limb 113 which is positioned closer to the respective conductor insertion opening 211. Starting from the respective clamping leg 113 , the clamping lug 118 is directed in the direction of the current bar 110 , so that the clamping lug 118 points in the direction of the current bar 110 . The clamping edge 120 on the clamping lug 118 is also directed in the direction of the current bar 110 .
  • the clamping lug 118 extends approximately to the middle of the clamping space 119 between the two clamping legs 113, 114.
  • the clamping lug 118 can extend into the clamping space 119 starting from an edge region delimiting the feed-through opening 116, 117 of one of the two clamping legs 113, 114.
  • the edge area can form a lower edge of the feedthrough opening 116, 117, which points in the direction of the current bar 110.
  • the tension bracket 111 has an axis of rotation 121 on which the clamping lug 118 is pivotably mounted.
  • the axis of rotation 121 is designed as an axis body which extends transversely to the longitudinal extension L of the clamping legs 113 , 114 .
  • the axis of rotation 121 extends between two opposite edge regions 122, 123 delimiting the feed-through opening 116, 117 of a clamping leg 113, 114.
  • the clamping lug 118 when a conductor 300 is inserted, the clamping lug 118 is further pivoted counterclockwise into the clamping space 119 in order to be able to insert the conductor 300 into the clamping space 119 . If the conductor 300 is inserted and connected, the pivotable arrangement of the clamping lug 118 enables self-locking, since when the conductor 300 is pulled out of the clamping space 119, the clamping lug 118 is pivoted clockwise due to the pivoting possibility and is thus pressed and wedged all the more strongly against the conductor 300 , As a result of which an unintentional pulling out of the conductor 300 can be prevented in a particularly reliable manner.
  • the tension bracket 111 can have a limit stop.
  • the limit stop can prevent the clamping lug 118 from pivoting too far into the clamping space 119 when the conductor 300 is connected.
  • the limit stop can be arranged below the clamping lug 118 on one of the clamping legs 113, 114. The limit stop can also protrude into the clamping space 119 .

Landscapes

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

Claims (8)

  1. Agencement de raccordement (100) pour raccorder un conducteur électrique (300), comprenant
    - une barre conductrice (110),
    - un étrier de traction (111), qui présente deux branches de serrage (113, 114) agencées parallèlement l'une à l'autre et une entretoise de liaison (115) reliant les deux branches de serrage (113, 114) entre elles, les branches de serrage (113, 114) présentant chacune une ouverture de passage (116, 117), à travers laquelle passe la barre conductrice (110) et à travers laquelle le conducteur (300) à raccorder est guidé dans une position de serrage de telle sorte que le conducteur (300) est serré contre la barre conductrice (110), et
    - un ressort de compression (112) agencé entre l'entretoise de liaison (115) de l'étrier de traction (111) et la barre conductrice (110), qui peut être comprimé lors d'un mouvement de l'étrier de traction (111) de la position de serrage à une position ouverte, l'étrier de traction (111) présentant au moins une patte de serrage (118) faisant saillie dans un espace de serrage (119) formé entre les deux branches de serrage (113, 114), au moyen de laquelle le conducteur (300) est serré contre la barre conductrice (110) dans la position de serrage,
    caractérisé en ce que la patte de serrage (118) forme un biais d'introduction pour introduire le conducteur (300) à raccorder dans l'espace de serrage (11), par le fait que la patte de serrage (118) fait saillie en biais dans l'espace de serrage (119) et la patte de serrage (118) est formée en angle par rapport aux branches de serrage (113, 114), de telle sorte que l'étrier de traction (111) est formé de manière à pouvoir être enfiché directement et l'introduction du conducteur (300) est possible sans actionner l'étrier de traction (111) au moyen d'un outil (400) .
  2. Agencement de raccordement (100) selon la revendication 1, caractérisé en ce que l'au moins une patte de serrage (118) fait saillie dans l'espace de serrage (119) selon un angle de 10° ≤ α ≤ 70° par rapport à une extension longitudinale (L) des branches de serrage (113, 114).
  3. Agencement de raccordement (100) selon la revendication 1 ou 2, caractérisé en ce que l'au moins une patte de serrage (118) est agencée sur l'une des deux branches de serrage (113, 114) de l'étrier de traction (111) .
  4. Agencement de raccordement (100) selon la revendication 3, caractérisé en ce que l'au moins une patte de serrage (118) s'étend dans l'espace de serrage (119) à partir d'une zone de bordure délimitant l'ouverture de passage (116, 117) de l'une des deux branches de serrage (113, 114).
  5. Agencement de raccordement (100) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'au moins une patte de serrage (118) est montée de manière mobile en pivotement par rapport aux deux branches de serrage (113, 114).
  6. Agencement de raccordement (100) selon la revendication 5, caractérisé en ce que l'étrier de traction (111) présente un axe de rotation (121) sur lequel l'au moins une patte de serrage (118) est montée de manière mobile en pivotement.
  7. Agencement de raccordement (100) selon la revendication 5 ou 6, caractérisé en ce que l'étrier de traction (111) présente une butée de limitation pour limiter le mouvement de pivotement de l'au moins une patte de serrage (118).
  8. Borne de raccordement (200), comprenant un boîtier isolant (210) et au moins un agencement de raccordement (100) agencé dans le boîtier isolant (210), qui est configuré selon l'une quelconque des revendications 1 à 7.
EP20170273.5A 2019-04-30 2020-04-20 Agencement de raccordement ainsi que borne de raccordement Active EP3734767B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019111159.5A DE102019111159B4 (de) 2019-04-30 2019-04-30 Anschlussanordnung sowie Anschlussklemme

Publications (2)

Publication Number Publication Date
EP3734767A1 EP3734767A1 (fr) 2020-11-04
EP3734767B1 true EP3734767B1 (fr) 2022-09-14

Family

ID=70470734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20170273.5A Active EP3734767B1 (fr) 2019-04-30 2020-04-20 Agencement de raccordement ainsi que borne de raccordement

Country Status (3)

Country Link
EP (1) EP3734767B1 (fr)
CN (1) CN111864419B (fr)
DE (1) DE102019111159B4 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113612039B (zh) 2021-07-21 2023-06-30 恩尼特克电子科技(深圳)有限公司 螺旋弹簧式锁线端子台

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19615599A1 (de) 1996-04-19 1997-10-23 Electro Terminal Gmbh Vorrichtung zum Kontaktieren von mehreren bandförmig verlaufenden elektrischen Leitungen mit Anschlußleitungen eines elektrischen Verbrauchers, wie einer Leuchte, insbesondere den Leuchten einer sog. Schienenleuchte oder Lichtbandes
DE60007149T2 (de) * 2000-12-11 2004-08-05 Hager Electro S.A. Bistabile elektrische Anschlussklemme
DE102005060410A1 (de) 2005-12-15 2007-06-21 Phoenix Contact Gmbh & Co. Kg Elektrische Klemme
DE102013109640B4 (de) 2013-09-04 2018-05-24 Wago Verwaltungsgesellschaft Mbh Federkraftanschlussklemme und Klemmenbauelement
DE102015112433B4 (de) 2015-07-29 2021-06-10 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme

Also Published As

Publication number Publication date
DE102019111159B4 (de) 2023-06-07
DE102019111159A1 (de) 2020-11-05
EP3734767A1 (fr) 2020-11-04
CN111864419A (zh) 2020-10-30
CN111864419B (zh) 2022-05-31

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