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EP0073275B1 - Borne de connexion - Google Patents

Borne de connexion Download PDF

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Publication number
EP0073275B1
EP0073275B1 EP81110274A EP81110274A EP0073275B1 EP 0073275 B1 EP0073275 B1 EP 0073275B1 EP 81110274 A EP81110274 A EP 81110274A EP 81110274 A EP81110274 A EP 81110274A EP 0073275 B1 EP0073275 B1 EP 0073275B1
Authority
EP
European Patent Office
Prior art keywords
clamping
leg
terminal
intermediate part
resting
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.)
Expired
Application number
EP81110274A
Other languages
German (de)
English (en)
Other versions
EP0073275A1 (fr
Inventor
Ulrich Dipl.-Ing. Riegger
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.)
Rafi GmbH and Co Elektrotechnische Spezialfabrik
Original Assignee
Rafi GmbH and Co Elektrotechnische Spezialfabrik
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 Rafi GmbH and Co Elektrotechnische Spezialfabrik filed Critical Rafi GmbH and Co Elektrotechnische Spezialfabrik
Publication of EP0073275A1 publication Critical patent/EP0073275A1/fr
Application granted granted Critical
Publication of EP0073275B1 publication Critical patent/EP0073275B1/fr
Expired legal-status Critical Current

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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
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H01R4/40—Pivotable clamping 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
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H01R4/42—Clamping area to one side of screw only

Definitions

  • the invention relates to a connecting terminal for the conductive connection of electrical lines to one another or to switching devices, the parts to be connected of a clamping piece inserted into a housing and a clamping screw bracing it being clampable.
  • connection terminals of this type as also in the case of luster terminals, the line to be connected is to be inserted axially perpendicular to the latter between the clamping disk and a stationary counter bearing or a bushing before tightening the clamping screw.
  • the wiring of devices, such as buttons and the like, which are arranged closely next to one another, for example, in control panels, is associated with great difficulties in this way, since an adequate work space is not available and there is no good clarity.
  • the insertion of the lines to be connected often requires a relatively large amount of time, which makes the assembly more expensive.
  • a connector of the aforementioned type for a line to be connected to a stationary connector is known from US-A-4 175 822.
  • the clamping piece is held loosely in a housing and it is only by tightening the clamping screw that presses it that it is pulled in the direction of the line to be connected.
  • the clamping piece provided with a recess accommodates the fixed connection part and the line to be connected. Since the clamping piece is held in the housing without exact guidance and is not firmly connected to the clamping screw, this is not automatically returned to the starting position when a connection is released; the clamping piece can thus sometimes occupy such a position that the insertion of a stranded wire difficult or u. May not be possible.
  • the clamping piece is designed as a holding member having a contact leg, a central piece and a clamping leg bent against the central piece, the contact leg being formed in one piece with the central piece, almost L-shaped, and this and the clamping leg of the clamping screw are penetrated, the middle leg having a screw channel for the clamping screw, by means of which the clamping leg with a locking hook effect for the connecting line can be pressed against the abutting leg on the housing or a connecting element interacting with it.
  • the contact leg should run parallel to the screw channel or slightly inclined to the outside in the direction of the line to be connected from the center piece of the clamping piece, so that the line is easy to insert.
  • clamping leg with a slot-shaped recess in which the clamping screw is rotatably and axially immovable, and thus is held captive.
  • the clamping screw is equipped with an area that is offset from the threaded part, by means of which it is held in the elongated hole-like recess of the clamping leg deformed after its insertion.
  • the clamping leg can be pivotably held in a groove formed in the middle piece with a preferably spherical end, but this can also be molded directly onto the end of the middle piece opposite the contact leg, so that the guide and holding member is pressed from one piece or can be punched.
  • the tilting bearing can be formed by a cam formed on the side of the contact leg facing the clamping leg, which extends in the longitudinal direction and is preferably arranged centrally, on which the connecting member is supported, or in a similar manner by a molded on the side of the connecting member facing the contact leg. extending in the longitudinal direction and preferably centrally arranged cams, via which the connecting member is supported on the contact leg, the cam formed on the contact leg or the connecting member should be convexly curved or triangular in cross section.
  • the connecting terminal designed in accordance with the invention is not only simple in terms of construction and thus economical to manufacture, but it also enables simple handling and allows one or more lines to be securely connected in a short time. If the clamping piece is designed as a holding member having a contact leg, a middle piece and a holding member bent against the middle piece, it is possible to insert the line to be connected almost axially parallel to the clamping screw held in the middle piece and to clamp it in a simple manner by tightening the clamping screw.
  • the terminal designed according to the invention is not only suitable for all types of conductors, but also because the adjustment range of the clamping leg can be chosen to be large and the contact leg or the connecting member can be tiltably supported in the longitudinal direction, without structural modifications, even for lines of different dimensions.
  • 1 and 2 and designated 1 consists of a three-part, in a housing 2 inserted clamping piece 11 and 11 'and a clamping screw 21, by means of which the inserted into the insertion opening 3 of the housing 2 with the line 5 line 4 to be connected can be clamped.
  • a screw channel 13 for the clamping screw 21 is incorporated in a central piece 12 of the clamping piece 11 or 11 'and an abutment leg 14 extending axially parallel to it is formed on one end of the central piece 12, while on the other end there is a clamping leg or 15 'articulated.
  • the middle piece 12 is provided with a semi-circular groove 18 and the end 19 of the clamping leg 15 engaging in this is spherical, according to FIG. 2 the clamping leg 15 'is formed directly on the middle piece 12.
  • a slot-like recess 16 is incorporated, the width of which is dimensioned slightly larger than the unthreaded area 23 of the clamping screw 21, so that it can be rotated by means of the screw head and the threaded portion 22 but axially immovable and therefore captive in the Clamp leg 15 or 15 'is held.
  • the clamping leg 15 or 15 ' is slightly compressed after inserting the clamping screw 21 into the recess 16.
  • a clamping piece 41 is in turn inserted in a housing 32, by means of which lines 35 and 36 of different dimensions in diameter can be connected in an electrically conductive manner to a connecting member 34 likewise arranged in the housing 32.
  • the projecting from the center piece 42 of the clamping piece 41 slightly outwardly inclined bearing leg 44 is equipped with a longitudinally extending tilting bearing 61 so that the connecting member 34 supported thereon is held indifferently.
  • the tilting bearing 61 is designed as a convexly curved cam 62, but it can also have a triangular cross section or can be attached to the connecting member 34.
  • projections 63 which are perpendicular to the longitudinal axis and are pressed into the lines 35 and 36, so that a secure connection is always guaranteed.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Claims (11)

1. Borne de branchement (1; 31) servant au raccordement conducteur de lignes électriques (4; 35; 36) soit entre elles, soit avec des appareils de distribution ou de coupure, les élements à raccorder pouvant être serrés au moyen d'un élément de serrage (11, 11'; 41) placé dans un boîtier (2; 32) et d'une vis de serrage (21; 51) lui servant de tendeur.
caractérisée par le fait que,
l'élément de serrage (11, 11 ', 41 ) constitue un dispositif de retenue présentant un segment d'appui (14; 44), une partie centrale (12; 42) et un segment de serrage (15, 15', 45) arqué contre la partie centrale (12; 42), le segment d'appui (14; 44) étant réalisé d'une pièce ayant pratiquement la forme d'un L avec la partie centrale (12; 42), et étant traversé, ainsi que le segment de serrage (15, 15',45), par la vis de serrage (21; 51), le segment central (12; 42) présentant un perçage fileté (13; 43) pour la vis de serrage (21; 51), au moyen duquel le segment de serrage (15, 15'; 45) peut être pressé contre le segment d'appui (14; 44) butant sur le boîtier (2; 32) ou contre un élément de connexion (34) produisant l'effet d'un crochet de verrouillage sur le raccord de ligne (4; 35, 26).
2. Borne de branchement selon revendication 1, caractérisée par le fait que,
le segment d'appui (14; 44), qui est parallèle au perçage fileté (13; 43) ou qui est légèrement incliné par rapport à celui-ci en direction de la ligne à raccorder (4; 35,36), est écarté du segment central (12; 42) de l'élément de serrage (11; 41).
3. Borne de branchement selon revendications 1 ou 2,
caractérisée par le fait que,
le segment de serrage (15; 15'; 45) présente un évidement (16; 46) en forme de trou longitudinal, dans lequel la vis de serrage (21 ; 51) est maintenue de telle sorte qu'elle puisse tourner sur son axe mais ne puisse pas se déplacer le long de celui-ci.
4. Borne de branchement selon revendication 3, caractérisée par le fait que,
la vis de serrage (21; 51) présente un épaulement (23; 53) de diamètre réduit par rapport à sa section filetée (22; 52), grâce auquel celle-ci est maintenue dans l'évidement (16; 46) du segment de serrage (15; 45) auquel on donne la forme de trou longitudinal après l'y avoir engagée.
5. Borne de branchement selon l'une des revendications 1 à 4,
caractérisée par le fait que,
le segment de serrage (15) est maintenu par son extrémité ayant de preférence une forme bombée, dans une gorge (18) pratiquée dans la partie centrale (12) où il peut pivoter.
6. Borne de branchement selon l'une des revendications 1 à 4,
caractérisée par le fait que,
le segment de serrage (15') est réalisé dans le prolongement direct de l'extrémité du segment central (12) opposée au segment d'appui (14).
7. Borne de branchement selon l'une des revendications 1 à 6,
caractérisée par le fait que,
afin de garantir le serrage de plusieurs lignes de raccordement (35, 36) de dimensions différentes, le segment d'appui (44) de l'élement de serrage (41), ou bien l'élément de connexion (34) qui s'appuie sur celui-ci, présente un dispositif d'appui à bascule longitudinal (61).
8. Borne de branchement selon revendication 7,
caractérisée par le fait que,
le dispositif d'appui à bascule (61), qui supporte l'élément de connexion (34), est constitué par un bossage (62) longitudinal et de préférence realisé au milieu de la face du segment d'appui (44) tournée vers le segment de serrage (45).
9. Borne de branchement selon revendication 7, caractérisée par le fait que,
l'appui à bascule, qui assure l'appui de l'élément de connexion (34) contre le segment d'appui (44), est constitué par un bossage longitudinal et de préférence réalisé au milieu de la face de l'élément de connexion (34) tournée vers le segment d'appui (44).
10. Borne de branchement selon revendication 8 ou 9,
caractérisée par le fait que,
le bossage (62) pratiqué sur le segment d'appui (44) ou sur l'élément de connexion (34) est courbé convexe ou a une section triangulaire.
11. Borne de branchement selon l'une des revendications 1 à 10,
caractérisée par le fait que,
le segment d'appui (44) ou bien l'élément de connexion (34), et ce toujours sur le côté tourné vers les lignes à raccorder (35, 36), sont pourvus d'une ou plusieurs portées en saillie (63) perpendiculaires ou inclinées par rapport à l'axe longitudinal des lignes à raccorder (35, 36).
EP81110274A 1981-09-01 1981-12-09 Borne de connexion Expired EP0073275B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813134598 DE3134598A1 (de) 1981-09-01 1981-09-01 "anschlussklemme"
DE3134598 1981-09-01

Publications (2)

Publication Number Publication Date
EP0073275A1 EP0073275A1 (fr) 1983-03-09
EP0073275B1 true EP0073275B1 (fr) 1986-03-19

Family

ID=6140606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81110274A Expired EP0073275B1 (fr) 1981-09-01 1981-12-09 Borne de connexion

Country Status (4)

Country Link
EP (1) EP0073275B1 (fr)
BR (1) BR8205118A (fr)
DE (2) DE3134598A1 (fr)
HU (1) HU191821B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH664456A5 (de) * 1984-02-28 1988-02-29 Olten Ag Elektro Apparatebau Verbindungselement.
DE19801331C2 (de) * 1998-01-16 2003-09-25 Hayo Joerg Modulares Mehrfach-Stern-Schraubklemmen-System
CN106329174B (zh) * 2015-06-18 2024-05-10 连展科技电子（昆山）有限公司 壁挂架组件及其夹线型连接器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE675893C (de) * 1937-05-13 1939-05-20 Siemens Schuckertwerke Akt Ges Kontaktklemme zum Anschliessen elektrischer Leitungen an Installationsgeraete
BE601428A (fr) * 1960-03-16 1961-07-17 Simel Raccord pour câbles électriques
GB1037269A (en) * 1963-11-20 1966-07-27 Tyer & Co Ltd Improvements in and relating to electrical terminals
DE7533712U (de) * 1975-10-23 1976-02-26 C. A. Weidmueller Kg, 4930 Detmold Klemmvorrichtung
FR2407578A1 (fr) * 1977-10-26 1979-05-25 Alsthom Cgee Borne de raccordement axial

Also Published As

Publication number Publication date
EP0073275A1 (fr) 1983-03-09
BR8205118A (pt) 1983-08-09
DE3174150D1 (en) 1986-04-24
HU191821B (en) 1987-04-28
DE3134598A1 (de) 1983-03-17

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