EP2023440A2 - Attachment device, assembly of attachment devices and method for mounting attachment devices to a component - Google Patents

Attachment device, assembly of attachment devices and method for mounting attachment devices to a component Download PDF

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Publication number
EP2023440A2
EP2023440A2 EP08104389A EP08104389A EP2023440A2 EP 2023440 A2 EP2023440 A2 EP 2023440A2 EP 08104389 A EP08104389 A EP 08104389A EP 08104389 A EP08104389 A EP 08104389A EP 2023440 A2 EP2023440 A2 EP 2023440A2
Authority
EP
European Patent Office
Prior art keywords
spring
clamping
clamping cage
side walls
conductor
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.)
Withdrawn
Application number
EP08104389A
Other languages
German (de)
French (fr)
Other versions
EP2023440A3 (en
Inventor
Peter Stuckmann
Jörg Scheer
Torsten Feige
Dieter TÜRSCHMANN
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.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface 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 Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP2023440A2 publication Critical patent/EP2023440A2/en
Publication of EP2023440A3 publication Critical patent/EP2023440A3/en
Withdrawn legal-status Critical Current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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • 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
    • H01R4/02—Soldered or welded connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making

Definitions

  • the invention relates to a connection device, an arrangement of connection devices and a method for mounting connection devices on a component.
  • connection device designed as a spring terminal for connecting conductors and a method for assembling connection devices which may be designed as a spring terminal or otherwise for connecting electrical conductors are provided, such as an IDC connection or as a screw connection.
  • Spring terminals for connecting a conductor having a clamping cage with an open end face for insertion of the conductor and a spring arranged in the clamping cage for contacting the conductor and for clamping the conductor in the clamping cage are for example from EP 1 253 670 A2 known.
  • a spring clip is from the DE 196 14 977 known.
  • a lug - a kind of lug - serves as overstretch protection of the spring and at the same time as an actuating lever and is formed integrally with the spring.
  • the actuation of the spring clamp is done, for example, with a screwdriver with which the spring is opened, for example, from the direction of insertion of the head.
  • the object of the invention on the one hand to create a spring clamp designed as a direct plug-in spring clamp, which is constructed very compact.
  • a particularly simple, automatable method for mounting such - and preferably also differently structured - connection devices are to be created.
  • the clamping cage has at least one lateral slot through which a contacted conductor transverse or substantially transversely (from an angle between preferably 60 and 90 °) to the conductor insertion direction from the clamping point between the spring and the clamping cage is releasable.
  • the clamping cage further comprises surfaces which are suitable for SMD mounting on a component, in particular a printed circuit board.
  • the spring clamp has by using only a few parts a simple and inexpensive construction. It is also easy to install and can be made small building.
  • the invention also provides a method for mounting connection devices, in particular spring terminals according to one of claims 1 to 7, on a component, wherein the assembly of an arrangement according to one of claims 8 to 12 takes place.
  • connection devices in particular spring terminals according to one of claims 1 to 7, on a component, wherein the assembly of an arrangement according to one of claims 8 to 12 takes place.
  • the assembly on the component - in particular a printed circuit board - the assembly line unrolled from a coil and cut through predetermined separation points between the assembly line and the connection devices.
  • FIG. 3 and 4 show a trained as a spring terminal 1 in direct plug connection device for a stripped conductor in the end region 2 (see, for example Fig. 1b ), which has a clamping spring 3 and also acting as a conductive busbar metallic clamping cage 4. Since no busbar is necessary, the spring terminal can be realized in the smallest design for connecting very thin conductor. It is particularly suitable as a small terminal for printed circuit boards, where usually several of these terminals are mounted side by side ( Fig. 9 ).
  • the clamping cage 4 has in cross section in a side view ( fig. 3d ) a trapezoidal shape with four side walls 5a - 5d, which are bent together from a stamped or cut from a sheet basic blank.
  • Fig. 5 shows an alternative embodiment with a rectangular clamping cage.
  • One of the side walls - here the side wall 5d - has lateral projecting portions 5e, 5f.
  • One of these sections - 5 e - closes the clamping cage on one end face and forms a stop 6 for the conductor second
  • the clamping cage is closed here by means of one or more laser welding points 16.
  • a lateral slot-like recess 8 which extends over one or two of the side walls 5d, makes it possible to open the nip with a screwdriver 9 ( Fig. 5 ).
  • Fig. 3 Two of the side walls, which face each other and are not aligned parallel to each other, are behind Fig. 3 formed narrower than the two other mutually parallel second and fourth side walls.
  • the clamping spring 3 formed from a rectangular sheet-metal strip has two longitudinal limbs 3a and 3b, which are aligned at an acute angle to one another and connected to one another via an arcuate bending region 3c.
  • the first longitudinal leg 3a of the clamping spring 3 is fixed to the inside of the first, shorter side wall of the clamping cage 4 and is partially directly to the inside of the side wall. Its dimensions correspond to the dimensions of the inside of the side wall.
  • a terminal point for the conductor is formed on a clamping edge 3d, which presses the conductor against the inside of the clamping cage 4.
  • the side wall 5c is provided with surfaces 10, 11, which are suitable for SMD mounting on a component, in particular a printed circuit board. Alternatively, soldering legs can be provided.
  • the SMD assembly is very simple.
  • assembly line 13 is formed in two parts on both sides of the clamping cages 4.
  • connection device a part of the connection device remains severably connected to an assembly line.
  • a metal sheet metal part of the connecting device with a metal strip 13 - a carrier tape - connected in the manner of Fig. 13.
  • the assembly line may have grid-like holes 21.
  • the sheet metal blanks are punched out of the assembly line 13. Then are - folded on the assembly line 13, the sheet metal blanks for clamping cage 4, wherein the spring 3 is mounted and possibly attached.
  • the clamping cage 4 remains on the assembly line 13. It is preferably connected to remaining narrow points with the assembly line 13 and is in Fig. 1 aligned substantially perpendicular to the actual assembly line 13.
  • the assembly tape 13 is wound on a spool 17 or reel ( Fig. 2 ), from which it is unwound during assembly again.
  • This coil is transported to the installation site. Only at the installation site - preferably when loading a component 18 ( Fig. 8 ) As a circuit board which are arranged on the assembly line 13 successively arranged connection devices with a kind of punching tool or a mounting punch 15, 19 from the mounting band 13 and preferably placed with a Saugpimpette 20 on the component, where they are soldered, for example, in SMD technology.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

An electrical connector arrangement comprises rectangular hollow connector body formed by stamping and bending from conductive metal sheet including pair of parallel spaced vertical side walls (5a, 5d), horizontal top wall (5b), vertical end wall (5e), horizontal bottom wall (5c) and side walls; U-shaped resilient spring contact mounted in chamber; top wall connected with one of side walls by corner edge portion; and connector body having horizontal bottom connecting surface (10) adapted for connection with electrical component. Electrical connector arrangement comprises rectangular hollow connector body formed by stamping and bending from conductive metal sheet including pair of parallel spaced vertical side walls (5a, 5d), horizontal top wall (5b) orthogonally arranged relative to side walls, respectively, vertical end wall (5e) orthogonally arranged relative to side walls, horizontal bottom wall (5c) cooperating with side and end walls to define chamber, and side walls integral with and bent from parallel opposite edges of given end or top walls, respectively; U-shaped resilient spring contact mounted in chamber and includes horizontal bottom leg connected with bottom wall, top leg adjacent to top wall, and connecting portion connected between bottom and top legs, where top leg is resiliently biased away from bottom leg; top wall connected with one of side walls by corner edge portion containing access opening opposite to spring contact top leg; and connector body having horizontal bottom connecting surface (10) adapted for connection with electrical component. To bias toward top wall a bare conductor is introduced into chamber via an opening contained at one end of connector body. To permit insertion into chamber of the tip of operating tool, top leg is release from engagement with conductor withdrawn from chamber. An independent claim is included for a method of forming electrical connector.

Description

Die Erfindung betrifft eine Anschlusseinrichtung, eine Anordnung aus Anschlusseinrichtungen und ein Verfahren zur Montage von Anschlusseinrichtungen an einem Bauelement.The invention relates to a connection device, an arrangement of connection devices and a method for mounting connection devices on a component.

Geschaffen werden insbesondere eine als Federklemme zum Anschluss von Leitern ausgebildete Anschlusseinrichtung sowie ein Verfahren zur Montage von Anschlusseinrichtungen, die als Federklemme oder aber auch in sonstiger Weise zum Anschluss elektrischer Leiter ausgebildet sein können, so als IDC-Anschluss oder als Schraubanschluss.In particular, a connection device designed as a spring terminal for connecting conductors and a method for assembling connection devices which may be designed as a spring terminal or otherwise for connecting electrical conductors are provided, such as an IDC connection or as a screw connection.

Federklemmen zum Anschluss eines Leiters, die einen Klemmkäfig mit einer offenen Stirnseite zum Einführen des Leiters und eine im Klemmkäfig angeordnete Feder zur Kontaktierung des Leiters und zum Festklemmen des Leiters im Klemmkäfig aufweisen, sind beispielsweise aus der EP 1 253 670 A2 bekannt.Spring terminals for connecting a conductor having a clamping cage with an open end face for insertion of the conductor and a spring arranged in the clamping cage for contacting the conductor and for clamping the conductor in the clamping cage, are for example from EP 1 253 670 A2 known.

Eine weitere Federklemme ist aus der DE 196 14 977 bekannt. Ein Ansatzschenkel - eine Art Lasche - dient als Überdehnungsschutz der Feder und gleichzeitig als Betätigungshebel und wird integral mit der Feder ausgebildet. Die Betätigung der Federklemme erfolgt z.B. mit einem Schraubendreher, mit dem die Feder beispielsweise aus der Einführrichtung des Leiters her geöffnet wird.Another spring clip is from the DE 196 14 977 known. A lug - a kind of lug - serves as overstretch protection of the spring and at the same time as an actuating lever and is formed integrally with the spring. The actuation of the spring clamp is done, for example, with a screwdriver with which the spring is opened, for example, from the direction of insertion of the head.

Es ist darüber hinaus auch bekannt, die Federklemme derart auszugestalten, dass ein Leiter in den Klemmkäfig in die Klemmstelle zwischen der Feder und einer Stromschiene direkt gegen die Federkraft einschiebbar ist, ohne dass es notwenig ist, die Feder separat zu öffnen. Diese auch mit "Push-In" bezeichnete Technik wird z.B. in der US 6,796,855 B2 beschrieben. Das Lösen des Leiters aus der Klemmstelle kann mit einem Schraubendreher erfolgen.Moreover, it is also known to design the spring clip such that a conductor in the clamping cage in the nip between the spring and a busbar can be pushed directly against the spring force, without it being necessary to open the spring separately. This technique, also referred to as "push-in", is described, for example, in US Pat US 6,796,855 B2 described. The conductor can be released from the terminal point using a screwdriver.

Vor diesem Hintergrund ist es die Aufgabe der Erfindung, einerseits eine als Federklemme in Direktstecktechnik ausgestaltete Federklemme zu schaffen, die besonders kompakt aufgebaut ist. Darüber hinaus soll ein besonders einfaches, automatisierbares Verfahren zur Montage derartiger - und vorzugsweise auch andersartig aufgebauter - Anschlusseinrichtungen geschaffen werden.Against this background, the object of the invention, on the one hand to create a spring clamp designed as a direct plug-in spring clamp, which is constructed very compact. In addition, a particularly simple, automatable method for mounting such - and preferably also differently structured - connection devices are to be created.

Die Erfindung löst diese Aufgabe durch die Gegenstände der Ansprüche 1 und 8 sowie 12.The invention solves this problem by the subject matter of claims 1 and 8 and 12th

Nach Anspruch 1 weist der Klemmkäfig wenigstens einen seitlichen Schlitz auf, durch welchen ein kontaktierter Leiter quer oder im Wesentlichen quer (aus einem Winkel zwischen vorzugsweise 60 und 90°) zur Leitereinführrichtung aus der Klemmstelle zwischen der Feder und dem Klemmkäfig lösbar ist. Nach einer weiteren Erfindung weist der Klemmkäfig ferner Flächen auf, die für eine SMD-Montage auf einem Bauteil, insbesondere einer Leiterplatte geeignet sind.According to claim 1, the clamping cage has at least one lateral slot through which a contacted conductor transverse or substantially transversely (from an angle between preferably 60 and 90 °) to the conductor insertion direction from the clamping point between the spring and the clamping cage is releasable. According to a further invention, the clamping cage further comprises surfaces which are suitable for SMD mounting on a component, in particular a printed circuit board.

Die Federklemme weist durch den Einsatz nur weniger Teile einen einfachen und kostengünstigen konstruktiven Aufbau auf. Sie ist zudem leicht montierbar und kann klein bauend ausgeführt werden.The spring clamp has by using only a few parts a simple and inexpensive construction. It is also easy to install and can be made small building.

Die Erfindung schafft auch ein Verfahren zur Montage von Anschlussvorrichtungen, insbesondere Federklemmen nach einem der Ansprüche 1 bis 7, an einem Bauteil, wobei die Montage von einer Anordnung nach einem der Ansprüche 8 bis 12 erfolgt. Insbesondere werden der Montage am Bauteil - insbesondere einer Leiterplatte - das Montageband von einer Spule abgerollt und Solltrennstellen zwischen dem Montageband und den Anschlussvorrichtungen durchtrennt.The invention also provides a method for mounting connection devices, in particular spring terminals according to one of claims 1 to 7, on a component, wherein the assembly of an arrangement according to one of claims 8 to 12 takes place. In particular, the assembly on the component - in particular a printed circuit board - the assembly line unrolled from a coil and cut through predetermined separation points between the assembly line and the connection devices.

Vorteilhafte Weiterbildungen der Erfindung sind den Unteransprüchen zu entnehmen.Advantageous developments of the invention can be found in the dependent claims.

Nachfolgend wird die Erfindung anhand von Ausführungsbeispielen unter Bezug auf die Zeichnung näher beschrieben. Es zeigt:

Fig. 1a - d
verschiedene Ansichten erfindungsgemäßer Federklemmen an einem Montageband;
Fig. 2
eine aus einem Montageband mit Federklemmen gebildete spiralartige Rolle auf einer Spule bei der Montage der Federklemmen an einem Bauteil;
Fig. 3, 4
verschiedene Ansichten einer Federklemme, zum Teil mit Leiter;
Fig. 5
das Be- und das Entschalten einer weiteren Federklemme;
Fig. 6, 7
perspektivische Ansichten eine Abschnittes eines Montagebandes mit Federklemmen beim und nach dem Lösen einer der Federklemmen von dem Montageband;
Fig. 8
eine mit einem Pick-and-Place-Pad versehene Federklemme nach Art der Fig. 3 und 4; und
Fig 9
an einem Bauteil montierte Federklemmen.
The invention will be described in more detail by means of exemplary embodiments with reference to the drawing. It shows:
Fig. 1a - d
various views of inventive spring terminals on an assembly line;
Fig. 2
a spiral-like roller formed of a mounting band with spring clips on a spool during assembly of the spring clips on a component;
Fig. 3, 4
different views of a spring clip, partly with ladder;
Fig. 5
the loading and unloading of another spring clip;
Fig. 6, 7
perspective views of a portion of a mounting strap with spring clips during and after releasing one of the spring clips from the assembly line;
Fig. 8
a provided with a pick-and-place pad spring clip on the type 3 and 4 ; and
FIG. 9
mounted on a component spring terminals.

Figur 3 und 4 zeigen eine als Federklemme 1 in Direktstecktechnik ausgebildete Anschlussvorrichtung für einen im Endbereich abisolierten Leiter 2 (siehe beispielsweise Fig. 1b), welche eine Klemmfeder 3 und einen auch als leitende Stromschiene fungierenden metallischen Klemmkäfig 4 aufweist. Da keine Stromschiene notwendig ist, kann die Federklemme in kleinster Bauart zum Anschluss sehr dünner Leiter realisiert werden. Sie ist insbesondere als kleine Anschlussklemme für Leiterplatten geeignet, wo in der Regel mehrere dieser Klemmen nebeneinander montiert werden (Fig. 9). FIG. 3 and 4 show a trained as a spring terminal 1 in direct plug connection device for a stripped conductor in the end region 2 (see, for example Fig. 1b ), which has a clamping spring 3 and also acting as a conductive busbar metallic clamping cage 4. Since no busbar is necessary, the spring terminal can be realized in the smallest design for connecting very thin conductor. It is particularly suitable as a small terminal for printed circuit boards, where usually several of these terminals are mounted side by side ( Fig. 9 ).

Der Klemmkäfig 4 weist im Querschnitt in einer Seitenansicht (fig. 3d) eine trapezartige Form mit vier Seitenwänden 5a - 5d auf, die aus einem aus einem Blech gestanzten oder geschnittenen Grundzuschnitt zusammen gebogen sind. Fig. 5 zeigt eine alternative Ausgestaltung mit einem rechteckigen Klemmkäfig.The clamping cage 4 has in cross section in a side view ( fig. 3d ) a trapezoidal shape with four side walls 5a - 5d, which are bent together from a stamped or cut from a sheet basic blank. Fig. 5 shows an alternative embodiment with a rectangular clamping cage.

Eine der Seitenwände - hier die Seitenwand 5d - weist seitliche vorstehende Abschnitte 5e, 5f auf. Einer dieser Abschnitte - 5e - verschließt den Klemmkäfig an einer Stirnseite und bildet einen Anschlag 6 für den Leiter 2.One of the side walls - here the side wall 5d - has lateral projecting portions 5e, 5f. One of these sections - 5 e - closes the clamping cage on one end face and forms a stop 6 for the conductor second

Der weitere Abschnitt 5f verschließt die gegenüberliegende Stirnseite nur teilweise. Es verbleibt eine Leitereinführöffnung 7 für den abisolierten Leiter 2.The further section 5f closes the opposite end side only partially. There remains a Leitereinführöffnung 7 for the stripped conductor. 2

Verschlossen wird der Klemmkäfig hier mittels einem oder mehreren Laserschweißpunkten 16.The clamping cage is closed here by means of one or more laser welding points 16.

Eine seitliche schlitzartige Aussparung 8, die sich über eine oder zwei der Seitenwände 5d erstreckt, ermöglicht es, die Klemmstelle mit einem Schraubendreher 9 zu öffnen (Fig. 5).A lateral slot-like recess 8 which extends over one or two of the side walls 5d, makes it possible to open the nip with a screwdriver 9 ( Fig. 5 ).

Das Einstecken eines Leiters 2 zeigt Fig. 5b. Das Lösen von der Seite - im Wesentlichen senkrecht zur Leitereinführöffnung mit dem Schraubendreher 9 zeigt Fig. 5c.The insertion of a conductor 2 shows Fig. 5b , The release from the side - substantially perpendicular to the conductor insertion opening with the screwdriver 9 shows Fig. 5c ,

Zwei der Seitenwände, die einander gegenüberliegen und nicht zueinander parallel ausgerichtet sind, sind nach Fig. 3 schmaler als die zwei weiteren zueinander parallelen zweiten und vierten Seitenwände ausgebildet.Two of the side walls, which face each other and are not aligned parallel to each other, are behind Fig. 3 formed narrower than the two other mutually parallel second and fourth side walls.

Wie zu erkennen, weist die aus einem rechteckigen Blechstreifen geformte Klemmfeder 3 zwei Längsschenkel 3a und 3b auf, welche spitzwinklig zueinander ausgerichtet und über einen hier bogenförmigen Biegebereich 3c miteinander verbunden sind.As can be seen, the clamping spring 3 formed from a rectangular sheet-metal strip has two longitudinal limbs 3a and 3b, which are aligned at an acute angle to one another and connected to one another via an arcuate bending region 3c.

Der erste Längsschenkel 3a der Klemmfeder 3 ist an der Innenseite der ersten, kürzeren Seitenwand des Klemmkäfigs 4 befestigt und liegt abschnittsweise direkt an der Innenseite der Seitenwand an. Seine Abmessungen entsprechen den Abmessungen der Innenseite der Seitenwand.The first longitudinal leg 3a of the clamping spring 3 is fixed to the inside of the first, shorter side wall of the clamping cage 4 and is partially directly to the inside of the side wall. Its dimensions correspond to the dimensions of the inside of the side wall.

Eine Klemmstelle für den Leiter wird an einer Klemmkante 3d gebildet, welche den Leiter gegen die Innenseite des Klemmkäfigs 4 drückt.A terminal point for the conductor is formed on a clamping edge 3d, which presses the conductor against the inside of the clamping cage 4.

Die Seitenwand 5c ist mit Flächen 10, 11 versehen, die für eine SMD-Montage auf einem Bauteil, insbesondere einer Leiterplatte geeignet sind. Alternativ können auch Lötbeine vorgesehen sein. Die SMD-Montage ist aber besonders einfach.The side wall 5c is provided with surfaces 10, 11, which are suitable for SMD mounting on a component, in particular a printed circuit board. Alternatively, soldering legs can be provided. The SMD assembly is very simple.

Es ist möglich, für eine automatisierte Montage eine Art Pick-and-Place-Pad 12 an dem Klemmkäfig 5 anzuordnen (Fig. 8).It is possible to arrange a kind of pick-and-place pad 12 on the clamping cage 5 for automated assembly ( Fig. 8 ).

Besonders vorteilhaft ist das erfindungsgemäße Verfahren zur Montage der Anschlussvorrichtungen.Particularly advantageous is the inventive method for mounting the connection devices.

Bei diesem Verfahren bleibt der Blechzuschnitt, aus welchem die Anschlussvorrichtung gebildet wird - oder ein sonstiges Teil einer Anschlussklemme bzw. - Vorrichtung - über definierte und ggf. geschwächte Trennstellen 14 mit einem Montageband 13 verbunden, welches aus dem Blech gestanzt ist, aus dem auch der Blechzuschnitt für den Klemmkäfig geformt ist. Hier sind zwei Trennstellen an den beiden Stirnseiten des Klemmkäfigs 4 vorhanden. Das Montageband 13 ist quasi zweiteilig beidseits der Klemmkäfige 4 ausgebildet.In this method, the sheet metal blank, from which the connection device is formed - or another part of a terminal or - device - connected via defined and possibly weakened separation points 14 with an assembly line 13, which is stamped from the sheet, from which also Sheet metal blank is formed for the clamping cage. Here are two separation points on the two end faces of the clamping cage 4 available. The assembly line 13 is formed in two parts on both sides of the clamping cages 4.

Verallgemeinert ausgedrückt bleibt ein Teil der Anschlussvorrichtung mit einem Montageband durchtrennbar verbunden. Vorzugsweise ist ein Metall-Blechteil der Anschlußvorrichtung mit einem Metallband 13 - einem Trägerband - nach Art der Fig. 13 verbunden. Um es definiert abzurollen, kann das Montageband rasterartige Lochungen 21 aufweisen.Expressed in general terms, a part of the connection device remains severably connected to an assembly line. Preferably, a metal sheet metal part of the connecting device with a metal strip 13 - a carrier tape - connected in the manner of Fig. 13. In order to unroll it, the assembly line may have grid-like holes 21.

Zur Montage werden an dem Montageband 13 die Blechzuschnitte ausgestanzt. Sodann werden - am Montageband 13 die Blechzuschnitte zum Klemmkäfig 4 zusammengefaltet, wobei auch die Feder 3 montiert und ggf. angeheftet wird. Der Klemmkäfig 4 verbleibt dabei am Montageband 13. Er ist vorzugsweise an verbleibenden Schmalstellen mit dem Montageband 13 verbunden und ist in Fig. 1 im Wesentlichen senkrecht zum eigentlichen Montageband 13 ausgerichtet.For assembly, the sheet metal blanks are punched out of the assembly line 13. Then are - folded on the assembly line 13, the sheet metal blanks for clamping cage 4, wherein the spring 3 is mounted and possibly attached. The clamping cage 4 remains on the assembly line 13. It is preferably connected to remaining narrow points with the assembly line 13 and is in Fig. 1 aligned substantially perpendicular to the actual assembly line 13.

Sodann wird das Montageband 13 auf eine Spule 17 oder Haspel aufgewickelt (Fig. 2), von der es bei der Montage wieder abgewickelt wird.Then, the assembly tape 13 is wound on a spool 17 or reel ( Fig. 2 ), from which it is unwound during assembly again.

Diese Spule wird zum Montageort transportiert. Erst am Montageort - vorzugsweise beim Bestücken eine Bauteils 18 (Fig. 8) wie einer Leiterplatte werden die die am Montageband 13 hintereinander angeordneten Anschlussvorrichtungen mit einem Art Stanzwerkzeug bzw. einem Montagestempel 15, 19 vom Montageband 13 gelöst und vorzugsweise mit einer Saugpimpette 20 am Bauteil platziert, wo sie zum Beispiel in SMD-Technik verlötet werden.This coil is transported to the installation site. Only at the installation site - preferably when loading a component 18 ( Fig. 8 ) As a circuit board which are arranged on the assembly line 13 successively arranged connection devices with a kind of punching tool or a mounting punch 15, 19 from the mounting band 13 and preferably placed with a Saugpimpette 20 on the component, where they are soldered, for example, in SMD technology.

Bezugszeichenreference numeral

Federklemmespring clip 11 Leiterladder 22 Klemmfederclamping spring 33 Längsschenkellongitudinal leg 3a und 3b3a and 3b bogenförmiger Biegebereicharcuate bending area 3c3c Klemmkanteclamping edge 3d3d Klemmkäfigclamping cage 44 Seitenwändeside walls 5a - 5d, 5e und 5f5a-5d, 5e and 5f Anschlagattack 66 LeitereinführöffnungConductor insertion opening 77 Aussparungrecess 88th Schraubendreherscrewdriver 99 Flächensurfaces 10, 1110, 11 Pick-and-Place-PadPick-and-place pad 1212 Montagebandassembly line 1313 SolltrennstellenIntended separation points 1414 Stanzwerkzeugpunching tool 1515 LaserschweißpunkteLaser welding points 1616 SpuleKitchen sink 1717 Leiterplattecircuit board 1818 Trennstempelseparating stamp 1919 SaugpimpetteSaugpimpette 2020

Claims (14)

Federklemme (1) zum Anschluss eines Leiters (2), mit - einem Klemmkäfig (4) mit einer jedenfalls abschnittsweise offenen Stirnseite zum Einführen des Leiters, - einer im Klemmkäfig (4) angeordneten Klemmfeder (3) zur Kontaktierung des Leiters (2) und zum Festklemmen des Leiters (2) im Klemmkäfig (4), dadurch gekennzeichnet, - dass der Klemmkäfig (4) wenigstens einen seitlichen Schlitz (21) aufweist, durch welchen ein kontaktierter Leiter (2) quer oder im Wesentlichen quer zur Leitereinführrichtung X aus der Klemmstelle zwischen der Feder und dem Klemmkäfig lösbar ist, und/oder - dass der Klemmkäfig (4) Flächen aufweist, die für eine SMD-Montage auf einem Bauteil, insbesondere einer Leiterplatte geeignet sind. Spring clip (1) for connecting a conductor (2), with a clamping cage (4) with an opening in each case partially open end face for insertion of the conductor, - One in the clamping cage (4) arranged clamping spring (3) for contacting the conductor (2) and for clamping the conductor (2) in the clamping cage (4), characterized, - That the clamping cage (4) has at least one lateral slot (21) through which a contacted conductor (2) transversely or substantially transversely to the Leiterereinführrichtung X from the nip between the spring and the clamping cage is solvable, and / or - That the clamping cage (4) has surfaces which are suitable for SMD mounting on a component, in particular a printed circuit board. Federklemme nach Anspruch 1, dadurch gekennzeichnet, daß das Klemmkäfig (5) aus einem Blechstreifen besteht, der zu einem Rohrstück mit rechteckigem oder teilweise trapezförmigen Querschnitt und zwei einander gegenüberliegenden, Stirnseiten umgebogen ist.Spring clamp according to claim 1, characterized in that the clamping cage (5) consists of a sheet metal strip which is bent to a pipe section with a rectangular or partially trapezoidal cross-section and two opposite end faces. Federklemme nach Anspruch 2, dadurch gekennzeichnet, daß der Klemmkäfig (4) aus leitendem Material besteht und als leitende Stromschiene genutzt ist.Spring clip according to claim 2, characterized in that the clamping cage (4) consists of conductive material and is used as a conductive busbar. Federklemme nach Anspruch 3, dadurch gekennzeichnet, daß der Klemmkäfig (4) aus einem umgebogenen Blechzuschnitt besteht.Spring clip according to claim 3, characterized in that the clamping cage (4) consists of a bent sheet metal blank. Federklemme nach Anspruch 4, dadurch gekennzeichnet, daß der Klemmkäfig (4) aus einem umgebogenen Blechzuschnitt aus einem Bandmaterial besteht und als leitende Stromschiene genutzt ist.Spring clip according to claim 4, characterized in that the clamping cage (4) consists of a bent sheet metal blank of a strip material and is used as a conductive busbar. Federklemme nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß der Klemmkäfig aus dem umgebogenen Blechzuschnitt mittels Schweißpunkten (16) verschlossen ist.Spring clip according to claim 4 or 5, characterized in that the clamping cage is closed off from the bent sheet metal blank by means of welding points (16). Federklemme nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Klemmkäfig (4) Saugflächen für eine automatisierte Montage an einem Bauteil, insbesondere einer Leiterplatte aufweist.Spring clip according to one of the preceding claims, characterized in that the clamping cage (4) has suction surfaces for automated assembly to a component, in particular a printed circuit board. Anordnung aus Anschlussvorrichtungen, insbesondere Federklemmen nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass mehrere der Anschlussvorrichtungen an einem Montageband (13) angeordnet sind und dass die Montage vom Montageband (13) erfolgt.Arrangement of connection devices, in particular spring terminals according to one of the preceding claims, characterized in that a plurality of the connection devices are arranged on a mounting band (13) and that the assembly of the assembly line (13). Anordnung nach Anspruch 8, dadurch gekennzeichnet, dass das Montageband (13) auf eine Spule (16) aufgewickelt ist.Arrangement according to claim 8, characterized in that the assembly line (13) is wound onto a spool (16). Anordnung aus Anschlussvorrichtungen, insbesondere Federklemmen nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass ein Teil der Anschlussvorrichtung mit dem Montageband (13) an Solltrennstellen (14) materialeinheitlich durchtrennbar verbunden ist.Arrangement of connection devices, in particular spring terminals according to one of the preceding claims, characterized in that a part of the connection device with the assembly line (13) is connected to predetermined separation points (14) of the same material severable. Anordnung nach Anspruch 10, dadurch gekennzeichnet, ein Klemmkäfig, der eine vormontierte Klemmfeder aufnimmt, mit einem Montageband materialeinheitlich an Solltrennstellen durchtrennbar verbunden ist.Arrangement according to claim 10, characterized in that a clamping cage, which receives a preassembled clamping spring, is connected to a mounting band of material uniformly separable at predetermined separation points. Anordnung nach Anspruch 11, dadurch gekennzeichnet, ein Klemmkäfig, der eine vormontierte Klemmfeder aufnimmt, mit dem Montageband mit Sollbruchstellen materialeinheitlich durchtrennbar verbunden ist.Arrangement according to claim 11, characterized in that a clamping cage, which accommodates a preassembled clamping spring, is connected to the assembly line with predetermined breaking points in a material-uniformly severable manner. Verfahren zur Montage von Anschlussvorrichtungen, insbesondere Federklemmen nach einem der Ansprüche 1 bis 7, an einem Bauteil, dadurch gekennzeichnet, dass die Montage von einer Anordnung nach einem der Ansprüche 8 bis 12 erfolgt.Method for mounting connecting devices, in particular spring clips according to one of claims 1 to 7, on a component, characterized in that the assembly of an arrangement according to one of claims 8 to 12 takes place. Verfahren nach Anspruch 13, dadurch gekennzeichnet, dass bei der Montage am Bauteil das Montageband von einer Spule (16) abgerollt und Solltrennstellen (14) zwischen dem Montageband (13) und den Anschlussvorrichtungen (1) für Leiter (2) durchtrennt werden.A method according to claim 13, characterized in that during assembly on the component, the assembly tape of a coil (16) unrolled and predetermined separation points (14) between the assembly line (13) and the connection devices (1) for conductors (2) are severed.
EP08104389A 2007-07-04 2008-06-12 Attachment device, assembly of attachment devices and method for mounting attachment devices to a component Withdrawn EP2023440A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007031194.1A DE102007031194B4 (en) 2007-07-04 2007-07-04 Spring clip, arrangement of spring clips and method for mounting spring clips on a component

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EP2023440A2 true EP2023440A2 (en) 2009-02-11
EP2023440A3 EP2023440A3 (en) 2011-12-28

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US (1) US7507107B2 (en)
EP (1) EP2023440A3 (en)
JP (1) JP5292582B2 (en)
CN (1) CN101340024B (en)
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TW (1) TWI454003B (en)

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Also Published As

Publication number Publication date
CN101340024A (en) 2009-01-07
JP5292582B2 (en) 2013-09-18
TW200919875A (en) 2009-05-01
DE102007031194A1 (en) 2009-01-08
DE102007031194B4 (en) 2019-06-19
TWI454003B (en) 2014-09-21
US7507107B2 (en) 2009-03-24
EP2023440A3 (en) 2011-12-28
US20080286996A1 (en) 2008-11-20
JP2009043711A (en) 2009-02-26
CN101340024B (en) 2013-01-23

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