EP2246938B1 - Electr. connector - Google Patents

Electr. connector Download PDF

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Publication number
EP2246938B1
EP2246938B1 EP10008601A EP10008601A EP2246938B1 EP 2246938 B1 EP2246938 B1 EP 2246938B1 EP 10008601 A EP10008601 A EP 10008601A EP 10008601 A EP10008601 A EP 10008601A EP 2246938 B1 EP2246938 B1 EP 2246938B1
Authority
EP
European Patent Office
Prior art keywords
contact pin
connector
electrical conductor
leaf
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.)
Not-in-force
Application number
EP10008601A
Other languages
German (de)
French (fr)
Other versions
EP2246938A1 (en
Inventor
Konrad Stromiedel
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.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
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 Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Publication of EP2246938A1 publication Critical patent/EP2246938A1/en
Application granted granted Critical
Publication of EP2246938B1 publication Critical patent/EP2246938B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • 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
    • H01R4/48275—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 with an opening in the housing for insertion of a release tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/515—Terminal blocks providing connections to wires or cables
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural 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
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2416—Means for guiding or retaining wires or cables connected to terminal blocks

Definitions

  • the invention relates to a device with an electrical connector, at least one contact pin and at least one electrical conductor with an insulating housing having insertion openings on two opposite housing sides, on the one hand for the insertion of an electrical contact pin and on the other side for insertion the insulation-free end of at least one electrical conductor.
  • the connector On the pin side, the connector has a pin clamp contact such that the connector can be plugged onto the contact pin of a printed circuit board or to the pin contact pin of another mating contact, and on the conductor side the connector has a leaf spring for each electrical conductor to be connected -Klemman gleich with a leaf spring, which extends in Leitereinsteckraum and obliquely against the electrical conductor and clamped with its leaf spring end, the insulation-free end of the inserted electrical conductor.
  • the insulating housing of the connector provides for each electrical conductor to be connected a terminal space available, in which the contact pin and the electrical conductor side by side with approximately parallel orientation can be inserted such that the contact pin and the electrical conductor overlap with their axial lengths.
  • the contact pin is held fixed in position in the terminal compartment.
  • the leaf spring end of the leaf spring clamp terminal abuts on the side of the electrical conductor opposite the contact pin, so that the clamping force of the leaf spring presses the electrical conductor in the direction of the contact pin.
  • Another connector of this type is from the EP 0 735 616 A2 known (see figures 18 and 19). It is referred to as "electrical connector” which can be plugged onto the soldered-in contact pins of a printed circuit board and, as a result of a tulip-shaped spring-loaded female terminal contact, can also be pulled away from the contact pins.
  • electrical connector On the other side of the connector turn there is a leaf spring clamp connection for the electrical conductor, which also (as in the GB 1 528 993 ) is designed as a detachable leaf spring clamp connection.
  • Both of the aforementioned connectors assume that their pin terminal contacts and their conductor terminal connections are made in their entirety from a piece of spring steel sheet, wherein the piece of spring steel sheet is deformed on the pin side to a female terminal contact and on the conductor side a integrated leaf spring clamp connection forms for the electrical conductor. Between both sides, the piece of spring steel sheet takes over the power line function, so that care must be taken in the selection of materials on a useful current conductivity of the spring steel sheet, which is reflected in the material costs of the spring steel sheet.
  • the two aforementioned connectors are designed in such a way that the pin terminal contact on the one hand and the conductor terminal connection on the other hand are sufficiently remote from each other, so that both sides can not interfere with each other.
  • the insulating material of these known connectors are dimensioned correspondingly large.
  • WO 00/318830 discloses a circuit board terminal with a U-shaped bent leaf spring, which is installed in an insulating material. At the bottom of the insulating housing, a printed circuit board connection pin is installed, which terminates flush with the underside of a conductor insertion opening in the insulating material and to which an electrical conductor rests flat when inserted into the conductor terminal. The leaf spring end of the leaf spring presses the electrical conductor while against the contact pin.
  • a similar embodiment of an electrical connector is also in the EP 0 735 616 A2 shown.
  • An electrical conductor is pressed by the leaf spring end against a busbar piece, which also terminates flush with the conductor insertion opening, so that the conductor rests flat against the busbar piece.
  • DE 198 03 085 A1 discloses a terminal with a U-shaped leaf spring in an insulating material, which contacts with its two free ends in each case an electrical conductor and presses against a respective busbar piece.
  • the bus bar pieces are bent over to provide another central contact point for a contact pin.
  • the electrical conductors are flat against the busbar piece, the busbar piece is permanently installed.
  • a separate contact pin can be inserted and contacted independently of the electrical conductors at different terminal points in the terminal.
  • the object of the invention is to provide a device of the aforementioned type, which is less expensive to manufacture and its size can also be significantly reduced, so that the connector can be used in confined spaces both as a single-pole and as a multi-pole connector.
  • contact pins which are formed below their head end with a protrusion whose apex line extends transversely to the longitudinal axis of the contact pin.
  • contact line of an electrical conductor In conjunction with an extending in the direction of the longitudinal axis of the contact pin contact line of an electrical conductor then results in the intersection of said lines a point contact contact with a higher specific surface pressure, whereby the current transition is improved in this contact point.
  • the electrical conductor is displaceable in a structurally approved displacement range transversely to its conductor axis (preferably is parallel displaceable).
  • the electrical conductor contacts the contact pin directly (see claim 2), so that this embodiment for power line purposes between the electrical conductor and the contact pin no additional conductive material needed. That is cost and material saving.
  • This embodiment of the connector is preferably used for solid solid electrical conductors, since they can be inserted without prior opening of the leaf spring clamp connection in the connection space of the connector.
  • a connector having the above features is extremely inexpensive to manufacture.
  • only a small piece of spring steel sheet is used and only to form the leaf spring clamp connection.
  • the material required for this purpose can be significantly reduced, in particular, when the leaf spring of the leaf spring clamp connection is supported on the insulating housing of the connector.
  • the leaf spring clamping connection has a U-shaped bent two-legged leaf spring, which has a leaf spring clamping leg and a leaf spring holding leg, wherein the leaf spring holding leg is fixed in the insulating housing of the connector by latching with the insulating material.
  • the axial lengths of the contact pin and the electrical conductor to be inserted into the connector overlap.
  • This overlap can be maximum by the electrical conductor is inserted to a bottom end wall in the connection space of the connector, so that the end of the electrical conductor is brought close to the base of the electrical contact pin or other pin.
  • This maximum overlap ensures that the overall height of the connector is not significantly greater than the insertion depth of the electrical conductor.
  • the new connectors can have one or two connection spaces per pole having electrical conductors, wherein for a connector with two terminal spaces only one contact pin is sufficient, if it is positioned centrally between the terminal spaces and serves both terminal spaces as a contact pin.
  • the connectors according to the invention can, in principle, be plugged onto any contact pin and / or pin used in practice.
  • a preferred embodiment provides to fix the head end of the respective contact pin in the terminal compartment by an insulating material grip positionally accurate. This positional accuracy of the contact pin used in each case improves the contact system of the electrical conductor to the contact pin.
  • the same purpose of the positional accuracy of the contact pin is the embodiment, according to which the foot end of the contact pin is held fixed in position by means of a lateral support bearing against the insulating material of the connector.
  • the positionally accurate and position-fixed held in the insulating housing of the connector pins can be inserted at the request of the processing industry already by the manufacturer of the new connector in the respective connection spaces of the connector, so that then the processing industry, the connector with the foot-side projecting pins directly eg can use in the solder holes of a circuit board and can solder.
  • Fig. 1 shows a cross section through a connector according to the invention in the plugged state on a contact pin 3, which is soldered into the circuit board 4.
  • the contact pin 3 has the protrusion 5 and is held by means of the insulating material grip 6 positionally accurate in the connection space 7 of the insulating housing 8.
  • the electrical conductor 9 is inserted from the upper side into the connector.
  • the contact pin 3 and the electrical conductor 9 are arranged side by side and overlap with their axial lengths.
  • the protrusion 5 of the contact pin contacts the electrical conductor 9 directly, so that an immediate current transition between the contact pin and the electrical conductor takes place.
  • the electrical conductor 9 is (as the housing representation in Fig. 1 shows) by means of the spring force (clamping force) of the leaf spring 11 to the left against the contact pin 3 slidably.
  • the shift takes place within the structurally permitted displacement range 10. This ensures that the electrical conductor always bears against contact with the respective contact pin used.
  • the built-in connector leaf spring is U-shaped made of a piece of spring steel sheet and has a leaf spring clamping leg 11 and a leaf spring holding leg 12. It is kept fixed in position with its head bow 13 and its retaining legs 12 in the insulating.
  • a test opening 14 is provided in the usual way. It is also possible to equip the insulating material with a pusher of insulating material, which is to be operated manually, if necessary, to press the leaf spring clamping leg 11 of the electrical conductor 9, so that the clamping of the electrical conductor is released and the electrical conductor of the Connector can be pulled out.
  • a pusher of insulating material which is to be operated manually, if necessary, to press the leaf spring clamping leg 11 of the electrical conductor 9, so that the clamping of the electrical conductor is released and the electrical conductor of the Connector can be pulled out.
  • a tool eg a screwdriver blade
  • Fig. 2 shows in perspective view a multi-pole connector of the type according to the invention with a made of insulating block housing 15.
  • the built into the block housing five single-pole connector are identical and correspond respectively to the embodiment according to Fig. 1 , They are mutually aligned. This layout scheme saves space, but it can also be replaced by any other desired layout scheme.
  • Fig. 3 shows the perspective cross section of a single-pole connector, which is not the subject of the present invention, with a connection space 16, which has special features for the connection of a multi-wire flexible conductor 17.
  • the connection space terminates on its left side with a contact wall 18 which is positioned between the flexible conductor 17 and the contact pin 19 and in a structurally approved displacement range 20 transversely to the conductor axis of the electrical conductor 17 and together with this in the direction of the contact pin 19 is slidable to ensure good electrical contact between the contact pin, the contact wall and the flexible conductor.
  • the contact wall 18 guides the flexible conductor during the insertion process into a bottom-side conductor catching pocket 21 which is open toward the contact wall, thereby preventing individual wires from being spliced off from the stranded flexible conductor 17 during the insertion process.
  • the conductor clamping point between the leaf spring 22 and the contact wall 18 can be opened for connecting and disconnecting the electrical conductor by a screwdriver blade is inserted via the actuating opening 23 in the terminal compartment and by means of the screwdriver blade, the leaf spring is moved away from the electrical conductor.
  • the usual test opening is provided.
  • Fig. 4 shows a connector with the connector according to Fig. 1 is comparable, but in which the plugged into the terminal compartment contact pin 25 has a lower support bearing 26 which is directed against the insulating housing of the connector and improves the positional accuracy of the contact pin in the terminal compartment.
  • Fig. 5 shows in cross-section a single-pole connector according to the invention, which has two terminal compartments for two electrical conductors 27 and 28 and can be plugged for making an electrical connection to only one contact pin 29.
  • the contact pin 29 is mirror-symmetrical to its longitudinal axis and thus serves both terminal spaces as a contact pin. He has on both sides in each case a support bearing 30, which ensure the positionally accurate plugging the connector on the contact pin.
  • the connectors are plugged onto the contact pin of a printed circuit board or onto the contact pin of another counter contact (eg on an electrical device). This can be done either before or after connecting the electrical conductors to the connector. If necessary, For example, in the case of a defect of a component wired to the connector, it is advantageous in terms of working technology to remove the connector from the contact pins and to replace the complete component group (eg consisting of the defective component and the connector wired to the component) with a new group of components.
  • the complete component group eg consisting of the defective component and the connector wired to the component
  • Fig. 6 shows a connector with the embodiment according to Fig. 4 is comparable, but additionally has an extension lock for the contact pin, which is effective in this embodiment in the form of barbs 31 in the corresponding recesses of the insulating material of the connector.
  • FIGS. 7 and 8 show two connectors whose insulating housing are constructed and shaped in such a way that both connectors are used together as an electrical connector.
  • the connectors 32 and 33 with the embodiment according to Fig. 4
  • the contact pin 34 (which is common to both connectors) is fixed with a pull-out lock 35 in the insulating case 36
  • the insulating case 37 is separated from the contact pin 34 (common to both connectors) can be removed, whereby the illustrated electrical connector can be opened.
  • FIGS. 9 to 15 show two application examples of a connector according to the teachings of the invention to demonstrate that they are very good can also be used as a plug-in connection connector, which can be plugged onto angled contact pins, which in turn are soldered into a circuit board.
  • Fig. 11 shows a circuit board 38, in each of which a long angled contact pin 39 and a short angled contact pin 40 are soldered in an offset arrangement, the staggered arrangement ensures that the solder joints of the pins in the circuit board 38 have a sufficient, ie trouble-free distance from each other.
  • FIGS. 9 and 10 show the attachable to the angled contact pins connector as cross section in FIGS. 9 and 10 shown.
  • the FIGS. 12 and 13 show the connector as a 6-pin connector 41 in a common insulating block housing.
  • 11 and FIG. 12 show the 6-pin connector 41 before plugging on the angled contact pins of the circuit board 38th Die
  • Fig. 13 shows the same 6-pin connector after the Aufsteckvorgang.
  • Fig. 14 shows a printed circuit board 42 with angled contact pins (corresponding to the circuit board 38 in FIG Fig. 11 ), which is installed in the housing of a ballast 43 for electric lights such that the inventive 6-pin connector 44 can easily make all the necessary conductor connections to the ballast and the lamp in a single mating process (see Fig. 15 )

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

The connector has an insulation material housing (8) providing a connection space (7) for disposition. A contact pin (3) and an electrical conductor (9) are insertable adjacent to one another in parallel direction, and overlaps with its axial lengths. The conductor has a constructive approved adjustment area transverse to its longitudinal axis. A flat spring (11) of the conductor-clamp connection of the conductor actuates in the direction of the contact pin.

Description

Die Erfindung betrifft eine Vorrichtung mit elektrischem Verbinder, mindestens einem Kontaktstift und mindestens einem elektrischen Leiter mit einem Isolierstoffgehäuse, das an zwei einander gegenüberliegenden Gehäuseseiten Einstecköffnungen aufweist, und zwar auf der einen Seite für das Einführen eines elektrischen Kontaktstiftes und auf der anderen Seite für das Einstecken des isolationsfreien Endes mindestens eines elektrischen Leiters. Auf der Stift-Seite besitzt der Verbinder einen Stift-Klemmkontakt, so dass der Verbinder auf den Kontaktstift einer Leiterplatte oder auf den Anschluss-Kontaktstift eines sonstigen Gegenkontaktes aufsteckbar ist, und auf der Leiter-Seite besitzt der Verbinder für jeden anzuschließenden elektrischen Leiter einen Blattfeder-Klemmanschluss mit einer Blattfeder, die sich in Leitereinsteckrichtung und schräg gegen den elektrischen Leiter erstreckt und mit ihrem Blattfederende das isolationsfreie Ende des eingesteckten elektrischen Leiters festklemmt. Das Isolierstoffgehäuse des Verbinders stellt für jeden anzuschließenden elektrischen Leiter einen Anschlussraum zur Verfügung, in den der Kontaktstift und der elektrische Leiter nebeneinander mit in etwa paralleler Ausrichtung einsteckbar sind derart, dass sich der Kontaktstift und der elektrische Leiter mit ihren axialen Längen überlappen. Dabei ist der Kontaktstift in dem Anschlussraum lage-fixiert gehalten. Das Blattfederende des Blattfeder-Klemmanschlusses liegt an derjenigen Seite des elektrischen Leiters an, die dem Kontaktstift gegenüberliegt, so dass die Klemmkraft der Blattfeder den elektrischen Leiter in Richtung des Kontaktstiftes drückt.The invention relates to a device with an electrical connector, at least one contact pin and at least one electrical conductor with an insulating housing having insertion openings on two opposite housing sides, on the one hand for the insertion of an electrical contact pin and on the other side for insertion the insulation-free end of at least one electrical conductor. On the pin side, the connector has a pin clamp contact such that the connector can be plugged onto the contact pin of a printed circuit board or to the pin contact pin of another mating contact, and on the conductor side the connector has a leaf spring for each electrical conductor to be connected -Klemmanschluss with a leaf spring, which extends in Leitereinsteckrichtung and obliquely against the electrical conductor and clamped with its leaf spring end, the insulation-free end of the inserted electrical conductor. The insulating housing of the connector provides for each electrical conductor to be connected a terminal space available, in which the contact pin and the electrical conductor side by side with approximately parallel orientation can be inserted such that the contact pin and the electrical conductor overlap with their axial lengths. In this case, the contact pin is held fixed in position in the terminal compartment. The leaf spring end of the leaf spring clamp terminal abuts on the side of the electrical conductor opposite the contact pin, so that the clamping force of the leaf spring presses the electrical conductor in the direction of the contact pin.

Elektrische Verbinder dieses Typs sind bereits 1976 in der GB 1 528 993 beschrieben. Sie sind dort als zweipolige Verbinder vorgestellt, bestehend aus zwei einpoligen Verbindern, die in einem gemeinsamen Blockgehäuse aus Isolierstoff angeordnet sind, so dass der zweipolige Blockgehäuse-Verbinder mit Bezug auf zwei parallel positionierte Kontaktstifte als "plug and socket arrangement" verstanden werden kann. Gemäß der GB 1 528 993 sind für das Aufstecken des Verbinders auf die Kontaktstifte Buchsen-Klemmkontakte vorgesehen, die derart auszuführen sind, dass der Verbinder im Bedarfsfall wieder von den Kontaktstiften abgezogen werden kann. Ebenso ist vorgesehen, dass auch die auf der anderen Seite des Verbinders vorhandenen Blattfeder-Klemmanschlüsse für die elektrische Leiter im Bedarfsfall wieder geöffnet werden können, indem die Blattfedern der Blattfeder-Klemmanschlüsse mittels eines Werkzeuges zurückgedrückt werden, so dass die elektrischen Leiter aus dem Verbinder wieder herausgezogen werden können.Electrical connectors of this type are already in 1976 in the GB 1 528 993 described. They are presented there as a two-pole connector, consisting of two single-pole connectors, which are arranged in a common block housing made of insulating material, so that the two-pole block housing connector with respect to two pins positioned in parallel can be understood as a "plug and socket arrangement". According to the GB 1 528 993 are provided for attaching the connector to the contact pins jack terminal contacts, which are designed such that the connector can be withdrawn, if necessary, again from the contact pins. It is also envisaged that Also, the existing on the other side of the connector leaf spring terminal connections for the electrical conductors can be reopened if necessary, by the leaf springs of the leaf spring clamped connections are pushed back by means of a tool, so that the electrical conductors can be pulled out of the connector again.

Ein weiterer Verbinder dieses Typs ist aus der EP 0 735 616 A2 bekannt (siehe dort Figuren 18 und 19). Er ist als "elektrischer Steckverbinder" bezeichnet, der auf die eingelöteten Kontaktstifte einer Leiterplatte aufsteckbar ist und infolge eines tulpenförmig auffedernden Buchsen-Klemmkontaktes auch wieder von den Kontaktstiften abziehbar ist. Auf der anderen Seite des Verbinders ist wiederum ein Blattfeder-Klemmanschluss für den elektrischen Leiter vorhanden, der ebenfalls (wie bei der GB 1 528 993 ) als lösbarer Blattfeder-Klemmanschluss ausgeführt ist.Another connector of this type is from the EP 0 735 616 A2 known (see figures 18 and 19). It is referred to as "electrical connector" which can be plugged onto the soldered-in contact pins of a printed circuit board and, as a result of a tulip-shaped spring-loaded female terminal contact, can also be pulled away from the contact pins. On the other side of the connector turn there is a leaf spring clamp connection for the electrical conductor, which also (as in the GB 1 528 993 ) is designed as a detachable leaf spring clamp connection.

Beide vorgenannten Verbinder gehen davon aus, dass ihre Stift-Klemmkontakte und ihre Leiter-Klemmanschlüsse in ihrer Gesamtheit aus einem Stück Federstahlblech gefertigt sind, wobei das Stück Federstahlblech auf der Stift-Seite zu einem Buchsen-Klemmkontakt verformt ist und auf der Leiter-Seite einen integrierten Blattfeder-Klemmanschluss für den elektrischen Leiter bildet. Zwischen beiden Seiten übernimmt das Stück Federstahlblech die Stromleitungsfunktion, so dass bei der Materialauswahl auch auf eine brauchbare Stromleitfähigkeit des Federstahlbleches geachtet werden muss, was sich in den Materialkosten des Federstahlbleches niederschlägt.Both of the aforementioned connectors assume that their pin terminal contacts and their conductor terminal connections are made in their entirety from a piece of spring steel sheet, wherein the piece of spring steel sheet is deformed on the pin side to a female terminal contact and on the conductor side a integrated leaf spring clamp connection forms for the electrical conductor. Between both sides, the piece of spring steel sheet takes over the power line function, so that care must be taken in the selection of materials on a useful current conductivity of the spring steel sheet, which is reflected in the material costs of the spring steel sheet.

Hinsichtlich ihrer konstruktiven Bauform sind die beiden vorgenannten Verbinder in der Weise ausgeführt, dass der Stift-Klemmkontakt einerseits und der Leiter-Klemmanschluss andererseits ausreichend voneinander entfernt angeordnet sind, so dass sich beide Seiten nicht gegenseitig behindern können. Die Isolierstoffgehäuse dieser bekannten Verbinder sind entsprechend groß bemessen.With regard to their structural design, the two aforementioned connectors are designed in such a way that the pin terminal contact on the one hand and the conductor terminal connection on the other hand are sufficiently remote from each other, so that both sides can not interfere with each other. The insulating material of these known connectors are dimensioned correspondingly large.

WO 00/318830 offenbart eine Leiterplattenanschlussklemme mit einer U-förmig gebogenen Blattfeder, die in ein Isolierstoffgehäuse eingebaut ist. Am Boden des Isolierstoffgehäuses ist ein Leiterplattenanschluss-Kontaktstift eingebaut, der bündig mit der Unterseite einer Leitereinführungsöffnung im Isolierstoffgehäuse abschließt und an den ein elektrischer Leiter beim Einschieben in die Leiteranschlussklemme flächig anliegt. Das Blattfederende der Blattfeder drückt den elektrischen Leiter dabei gegen den Kontaktstift. WO 00/318830 discloses a circuit board terminal with a U-shaped bent leaf spring, which is installed in an insulating material. At the bottom of the insulating housing, a printed circuit board connection pin is installed, which terminates flush with the underside of a conductor insertion opening in the insulating material and to which an electrical conductor rests flat when inserted into the conductor terminal. The leaf spring end of the leaf spring presses the electrical conductor while against the contact pin.

Eine ähnliche Ausführungsform eines elektrischen Steckverbinders ist auch in der EP 0 735 616 A2 gezeigt. Ein elektrischer Leiter wird durch das Blattfederende gegen ein Stromschienenstück gedrückt, das ebenfalls bündig mit der Leitereinführungsöffnung abschließt, so dass der Leiter flächig an dem Stromschienenstück anliegt.A similar embodiment of an electrical connector is also in the EP 0 735 616 A2 shown. An electrical conductor is pressed by the leaf spring end against a busbar piece, which also terminates flush with the conductor insertion opening, so that the conductor rests flat against the busbar piece.

DE 198 03 085 A1 offenbart eine Anschlussklemme mit einer U-förmig gebogenen Blattfeder in einem Isolierstoffgehäuse, die mit ihren beiden freien Enden jeweils einen elektrischen Leiter kontaktiert und gegen ein jeweiliges Stromschienenstück drückt. Die Stromschienenstücke sind umgebogen, um einen weiteren zentralen Kontaktpunkt für einen Kontaktstift bereitzustellen. Die elektrischen Leiter liegen flächig an dem Stromschienenstück an, wobei das Stromschienenstück fest eingebaut ist. Damit kann ein separater Kontaktstift unabhängig von den elektrischen Leitern an unterschiedlichen Klemmstellen in die Anschlussklemme eingefügt und kontaktiert werden. DE 198 03 085 A1 discloses a terminal with a U-shaped leaf spring in an insulating material, which contacts with its two free ends in each case an electrical conductor and presses against a respective busbar piece. The bus bar pieces are bent over to provide another central contact point for a contact pin. The electrical conductors are flat against the busbar piece, the busbar piece is permanently installed. Thus, a separate contact pin can be inserted and contacted independently of the electrical conductors at different terminal points in the terminal.

Aufgabe der Erfindung ist es, eine Vorrichtung der vorgenannten Art zu schaffen, der kostengünstiger herzustellen ist und dessen Baugröße zudem erheblich reduziert werden kann, so dass der Verbinder auch unter beengten Platzverhältnissen sowohl als einpoliger als auch als mehrpoliger Verbinder eingesetzt werden kann.The object of the invention is to provide a device of the aforementioned type, which is less expensive to manufacture and its size can also be significantly reduced, so that the connector can be used in confined spaces both as a single-pole and as a multi-pole connector.

Diese Aufgabe wird durch die Vorrichtung mit den Merkmalen des Anspruchs 1.This object is achieved by the device having the features of claim 1.

Gemäß der Lehre der vorliegenden Erfindung wird vorgeschlagen Kontaktstifte zu verwenden, die unterhalb ihres Kopfendes mit einer Vorwölbung ausgebildet sind, deren Scheitellinie sich quer zur Längsachse des Kontaktstiftes erstreckt. In Verbindung mit einer in Richtung der Längsachse des Kontaktstiftes verlaufenden Kontaktlinie eines elektrischen Leiters ergibt sich dann im Kreuzungspunkt der genannten Linien ein punktförmiger Anlagekontakt mit einer höheren spezifischen Flächenpressung, wodurch der Stromübergang in diesem Kontaktpunkt verbessert ist. Der elektrische Leiter ist in einem konstruktiv zugelassenen Verschiebebereich quer zu seiner Leiterachse verschiebbar (vorzugsweise parallel verschiebbar ist).According to the teaching of the present invention, it is proposed to use contact pins which are formed below their head end with a protrusion whose apex line extends transversely to the longitudinal axis of the contact pin. In conjunction with an extending in the direction of the longitudinal axis of the contact pin contact line of an electrical conductor then results in the intersection of said lines a point contact contact with a higher specific surface pressure, whereby the current transition is improved in this contact point. The electrical conductor is displaceable in a structurally approved displacement range transversely to its conductor axis (preferably is parallel displaceable).

Bevorzugt kontaktiert der elektrische Leiter den Kontaktstift direkt (siehe Anspruch 2), so dass diese Ausführungsform zu Stromleitungszwecken zwischen dem elektrischen Leiter und dem Kontaktstift kein zusätzliches stromleitendes Material benötigt. Das ist kosten- und materialsparend. Diese Ausführungsform des Verbinders wird bevorzugt für eindrähtige massive elektrische Leiter verwendet, da diese ohne vorheriges Öffnen des Blattfeder-Klemmanschlusses in den Anschlussraum des Verbinders einsteckbar sind.Preferably, the electrical conductor contacts the contact pin directly (see claim 2), so that this embodiment for power line purposes between the electrical conductor and the contact pin no additional conductive material needed. That is cost and material saving. This embodiment of the connector is preferably used for solid solid electrical conductors, since they can be inserted without prior opening of the leaf spring clamp connection in the connection space of the connector.

Ein Verbinder mit den vorstehenden Merkmalen ist äußerst kostengünstig herzustellen. Bei dem neuen Verbinder wird nur noch ein kleines Stück Federstahlblech verwendet und zwar ausschließlich zur Bildung des Blattfeder-Klemmanschlusses. Der hierfür erforderliche Materialeinsatz kann insbesondere dann erheblich reduziert werden, wenn sich die Blattfeder des Blattfeder-Klemmanschlusses am Isolierstoffgehäuse des Verbinders abstützt.A connector having the above features is extremely inexpensive to manufacture. In the new connector only a small piece of spring steel sheet is used and only to form the leaf spring clamp connection. The material required for this purpose can be significantly reduced, in particular, when the leaf spring of the leaf spring clamp connection is supported on the insulating housing of the connector.

Bevorzugt besitzt der Blattfeder-Klemmanschluss eine U-förmig gebogene zweischenkelige Blattfeder, die einen Blattfeder-Klemmschenkel und einen Blattfeder-Halteschenkel aufweist, wobei der Blattfeder-Halteschenkel in dem Isolierstoffgehäuse des Verbinders durch Verrastung mit dem Isolierstoffgehäuse festgelegt ist.Preferably, the leaf spring clamping connection has a U-shaped bent two-legged leaf spring, which has a leaf spring clamping leg and a leaf spring holding leg, wherein the leaf spring holding leg is fixed in the insulating housing of the connector by latching with the insulating material.

Hinsichtlich der geforderten Reduzierung der Baugröße des Verbinders gehört es zur Lehre der Erfindung, dass sich die in den Verbinder einzusteckenden axialen Längen des Kontaktstiftes und des elektrischen Leiters überlappen. Diese Überlappung kann maximal sein, indem der elektrische Leiter bis zu einer bodenseitigen Abschlusswand in den Anschlussraum des Verbinders eingesteckt wird, so dass das Ende des elektrischen Leiters bis nahe an den Fußpunkt des elektrischen Kontaktstiftes oder eines sonstigen Anschlussstiftes herangeführt ist. Durch diese maximale Überlappung wird erreicht, dass die Bauhöhe des Verbinders nicht wesentlich größer ist als die Einstecktiefe des elektrischen Leiters.With regard to the required reduction in the size of the connector, it is part of the teaching of the invention that the axial lengths of the contact pin and the electrical conductor to be inserted into the connector overlap. This overlap can be maximum by the electrical conductor is inserted to a bottom end wall in the connection space of the connector, so that the end of the electrical conductor is brought close to the base of the electrical contact pin or other pin. This maximum overlap ensures that the overall height of the connector is not significantly greater than the insertion depth of the electrical conductor.

Die neuen Verbinder können pro Pol einen oder zwei Anschlussräume für elektrische Leiter aufweisen, wobei für einen Verbinder mit zwei Anschlussräumen nur ein Kontaktstift ausreichend ist, wenn dieser mittig zwischen den Anschlussräumen positioniert ist und beiden Anschlussräumen als Kontaktstift dient.The new connectors can have one or two connection spaces per pole having electrical conductors, wherein for a connector with two terminal spaces only one contact pin is sufficient, if it is positioned centrally between the terminal spaces and serves both terminal spaces as a contact pin.

Die erfindungsgemäßen Verbinder können prinzipiell auf jeden in der Praxis gebräuchlichen Kontaktstift und/oder Anschlussstift aufgesteckt werden. Eine bevorzugte Ausführungsform sieht vor, das Kopfende des jeweiligen Kontaktstiftes in dem Anschlussraum durch einen Isolierstoff-Übergriff positionsgenau zu fixieren. Diese Positionsgenauigkeit des jeweils verwendeten Kontaktstiftes verbessert die Kontaktanlage des elektrischen Leiters an dem Kontaktstift.The connectors according to the invention can, in principle, be plugged onto any contact pin and / or pin used in practice. A preferred embodiment provides to fix the head end of the respective contact pin in the terminal compartment by an insulating material grip positionally accurate. This positional accuracy of the contact pin used in each case improves the contact system of the electrical conductor to the contact pin.

Dem gleichen Zweck der Positionsgenauigkeit des Kontaktstiftes dient die Ausgestaltung, wonach das Fußende des Kontaktstiftes mittels eines seitlichen Stützlagers gegen das Isolierstoffgehäuse des Verbinders lage-fixiert gehalten ist.The same purpose of the positional accuracy of the contact pin is the embodiment, according to which the foot end of the contact pin is held fixed in position by means of a lateral support bearing against the insulating material of the connector.

Die in dem Isolierstoffgehäuse des Verbinders positionsgenau und lage-fixiert gehaltenen Kontaktstifte können auf Wunsch der weiterverarbeitenden Industrie bereits von dem Herstellerbetrieb der neuen Verbinder in die jeweiligen Anschlussräume des Verbinders eingesteckt werden, so dass dann die weiterverarbeitende Industrie die Verbinder mit den fußseitig vorstehenden Kontaktstiften direkt z.B. in die Einlötöffnungen einer Leiterplatte einsetzen kann und verlöten kann.The positionally accurate and position-fixed held in the insulating housing of the connector pins can be inserted at the request of the processing industry already by the manufacturer of the new connector in the respective connection spaces of the connector, so that then the processing industry, the connector with the foot-side projecting pins directly eg can use in the solder holes of a circuit board and can solder.

Nachfolgend werden Ausführungsbeispiele der Erfindung anhand der Zeichnungen beschrieben. Es zeigen:

Fig. 1 + 2 :
ein erstes Ausführungsbeispiel eines erfindungsgemäßen Verbin- ders,
Fig. 3 - 5 :
drei weitere Beispiele von Ausführungsformen,
Fig. 6-8 :
zwei Ausführungsbeispiele mit einer Auszugssperre des Kontakt- stiftes aus dem Verbindergehäuse,
Fig. 9 - 15 :
zwei Anwendungsbeispiele eines erfindungsgemäßen Verbinders.
Hereinafter, embodiments of the invention will be described with reference to the drawings. Show it:
Fig. 1 + 2:
A first embodiment of a connector according to the invention,
Fig. 3 - 5:
three further examples of embodiments,
Fig. 6-8:
two embodiments with an extract lock of the contact pin from the connector housing,
Fig. 9 - 15:
two examples of use of a connector according to the invention.

Fig. 1 zeigt einen Querschnitt durch einen Verbinder gemäß der Erfindung und zwar im aufgesteckten Zustand auf einen Kontaktstift 3, der in die Leiterplatte 4 eingelötet ist. Der Kontaktstift 3 besitzt die Vorwölbung 5 und ist mittels des Isolierstoff-Übergriffs 6 positionsgenau in dem Anschlussraum 7 des Isolierstoffgehäuses 8 gehalten. Fig. 1 shows a cross section through a connector according to the invention in the plugged state on a contact pin 3, which is soldered into the circuit board 4. The contact pin 3 has the protrusion 5 and is held by means of the insulating material grip 6 positionally accurate in the connection space 7 of the insulating housing 8.

Der elektrische Leiter 9 wird von der oberen Seite in den Verbinder eingesteckt. In dem Anschlussraum 7 des Verbinders sind der Kontaktstift 3 und der elektrische Leiter 9 nebeneinander angeordnet und überlappen sich mit ihren axialen Längen. Mittels der Vorwölbung 5 kontaktiert der Kontaktstift den elektrischen Leiter 9 direkt, so dass ein unmittelbarer Stromübergang zwischen dem Kontaktstift und dem elektrischen Leiter stattfindet.The electrical conductor 9 is inserted from the upper side into the connector. In the connection space 7 of the connector, the contact pin 3 and the electrical conductor 9 are arranged side by side and overlap with their axial lengths. By means of the protrusion 5 of the contact pin contacts the electrical conductor 9 directly, so that an immediate current transition between the contact pin and the electrical conductor takes place.

Der elektrische Leiter 9 ist (wie die Gehäusedarstellung in Fig. 1 zeigt) mittels der Federkraft (Klemmkraft) der Blattfeder 11 nach links gegen den Kontaktstift 3 verschiebbar. Die Verschiebung erfolgt innerhalb des konstruktiv zugelassenen Verschiebebereichs 10. Das gewährleistet, dass der elektrische Leiter stets kontaktsicher an dem jeweils verwendeten Kontaktstift anliegt.The electrical conductor 9 is (as the housing representation in Fig. 1 shows) by means of the spring force (clamping force) of the leaf spring 11 to the left against the contact pin 3 slidably. The shift takes place within the structurally permitted displacement range 10. This ensures that the electrical conductor always bears against contact with the respective contact pin used.

Die in den Verbinder eingebaute Blattfeder ist U-förmig aus einem Stück Federstahlblech gefertigt und besitzt einen Blattfeder-Klemmschenkel 11 und einen Blattfeder-Halteschenkel 12. Sie ist mit ihrem Kopfbogen 13 und ihrem Halteschenkel 12 in dem Isolierstoffgehäuse lage-fixiert gehalten.The built-in connector leaf spring is U-shaped made of a piece of spring steel sheet and has a leaf spring clamping leg 11 and a leaf spring holding leg 12. It is kept fixed in position with its head bow 13 and its retaining legs 12 in the insulating.

In dem Isolierstoffgehäuse des Verbinders ist in der üblichen Weise eine Prüföffnung 14 vorgesehen. Auch ist es möglich, das Isolierstoffgehäuse mit einem Drücker aus Isolierstoff auszurüsten, der manuell zu betätigen ist, um im Bedarfsfall den Blattfeder-Klemmschenkel 11 von dem elektrischen Leiter 9 abzudrücken, so dass die Klemmung des elektrischen Leiters gelöst ist und der elektrische Leiter aus dem Verbinder herausgezogen werden kann. Das gleiche Ergebnis wird üblicherweise auch mit einer Betätigungsöffnung im Isolierstoffgehäuse erreicht, durch die ein Werkzeug (z.B. eine Schraubendreherklinge) bis an den Blattfeder-Klemmschenkel 11 herangeführt werden kann, wie dies z.B. auch in der Fig. 3 dargestellt ist.In the insulating housing of the connector, a test opening 14 is provided in the usual way. It is also possible to equip the insulating material with a pusher of insulating material, which is to be operated manually, if necessary, to press the leaf spring clamping leg 11 of the electrical conductor 9, so that the clamping of the electrical conductor is released and the electrical conductor of the Connector can be pulled out. The same result is usually achieved with an actuating opening in Isolierstoffgehäuse through which a tool (eg a screwdriver blade) can be brought up to the leaf spring clamping leg 11, as for example in the Fig. 3 is shown.

Fig. 2 zeigt in perspektivischer Darstellung einen mehrpoligen Verbinder der erfindungsgemäßen Art mit einem aus Isolierstoff gefertigten Blockgehäuse 15. Die in das Blockgehäuse insgesamt eingebauten fünf einpoligen Verbinder sind baugleich und entsprechen jeweils dem Ausführungsbeispiel gemäß Fig. 1. Sie sind zueinander wechselseitig ausgerichtet. Dieses Anordnungsschema ist platzsparend, es kann aber auch durch jedes andere gewünschte Anordnungsschema ersetzt werden. Fig. 2 shows in perspective view a multi-pole connector of the type according to the invention with a made of insulating block housing 15. The built into the block housing five single-pole connector are identical and correspond respectively to the embodiment according to Fig. 1 , They are mutually aligned. This layout scheme saves space, but it can also be replaced by any other desired layout scheme.

Fig. 3 zeigt den perspektivischen Querschnitt eines einpoligen Verbinders, der nicht Gegenstand der vorliegenden Erfindung ist, mit einem Anschlussraum 16, der für den Anschluss eines mehrdrähtigen flexiblen Leiters 17 besondere Merkmale aufweist. Der Anschlussraum schließt an seiner linken Seite mit einer Kontaktwand 18 ab, die zwischen dem flexiblen Leiter 17 und dem Kontaktstift 19 positioniert ist und die in einen konstruktiv zugelassenen Verschiebebereich 20 quer zur Leiterachse des elektrischen Leiters 17 und gemeinsam mit diesem in Richtung des Kontaktstiftes 19 verschiebbar ist, um einen guten elektrischen Kontakt zwischen dem Kontaktstift, der Kontaktwand und dem flexiblen Leiter sicherzustellen. Die Kontaktwand 18 führt den flexiblen Leiter beim Einsteckvorgang bis in eine bodenseitige, zur Kontaktwand hin offene Leiter-Fangtasche 21, wodurch verhindert wird, dass beim Einsteckvorgang Einzeldrähte von dem mehrdrähtigen flexiblen Leiter 17 abspleissen. Die Leiterklemmstelle zwischen der Blattfeder 22 und der Kontaktwand 18 kann zum Anschließen und Lösen des elektrischen Leiters geöffnet werden, indem eine Schraubendreherklinge über die Betätigungsöffnung 23 in den Anschlussraum eingeführt wird und mittels der Schraubendreherklinge die Blattfeder vom elektrischen Leiter wegbewegt wird. Bei 24 ist die übliche Prüföffnung vorgesehen. Fig. 3 shows the perspective cross section of a single-pole connector, which is not the subject of the present invention, with a connection space 16, which has special features for the connection of a multi-wire flexible conductor 17. The connection space terminates on its left side with a contact wall 18 which is positioned between the flexible conductor 17 and the contact pin 19 and in a structurally approved displacement range 20 transversely to the conductor axis of the electrical conductor 17 and together with this in the direction of the contact pin 19 is slidable to ensure good electrical contact between the contact pin, the contact wall and the flexible conductor. The contact wall 18 guides the flexible conductor during the insertion process into a bottom-side conductor catching pocket 21 which is open toward the contact wall, thereby preventing individual wires from being spliced off from the stranded flexible conductor 17 during the insertion process. The conductor clamping point between the leaf spring 22 and the contact wall 18 can be opened for connecting and disconnecting the electrical conductor by a screwdriver blade is inserted via the actuating opening 23 in the terminal compartment and by means of the screwdriver blade, the leaf spring is moved away from the electrical conductor. At 24 the usual test opening is provided.

Fig. 4 zeigt einen Verbinder, der mit dem Verbinder gemäß Fig. 1 vergleichbar ist, bei dem jedoch der in den Anschlussraum eingesteckte Kontaktstift 25 ein unteres Stützlager 26 aufweist, das gegen das Isolierstoffgehäuse des Verbinders gerichtet ist und die Positionsgenauigkeit des Kontaktstiftes in dem Anschlussraum verbessert. Fig. 4 shows a connector with the connector according to Fig. 1 is comparable, but in which the plugged into the terminal compartment contact pin 25 has a lower support bearing 26 which is directed against the insulating housing of the connector and improves the positional accuracy of the contact pin in the terminal compartment.

Fig. 5 zeigt im Querschnitt einen einpoligen Verbinder gemäß der Erfindung, der zwei Anschlussräume für zwei elektrische Leiter 27 und 28 besitzt und zur Herstellung einer elektrischen Verbindung auf nur einen Kontaktstift 29 aufsteckbar ist. Der Kontaktstift 29 ist zu seiner Längsachse spiegelsymmetrisch ausgebildet und dient somit beiden Anschlussräumen als Kontaktstift. Er besitzt beidseitig jeweils ein Stützlager 30, die das positionsgenaue Aufstecken des Verbinders auf den Kontaktstift gewährleisten. Fig. 5 shows in cross-section a single-pole connector according to the invention, which has two terminal compartments for two electrical conductors 27 and 28 and can be plugged for making an electrical connection to only one contact pin 29. The contact pin 29 is mirror-symmetrical to its longitudinal axis and thus serves both terminal spaces as a contact pin. He has on both sides in each case a support bearing 30, which ensure the positionally accurate plugging the connector on the contact pin.

Im Regelfall werden die Verbinder auf den Kontaktstift einer Leiterplatte oder auf den Anschluss-Kontaktstift eines sonstigen Gegenkontaktes (z.B. an einem elektrischen Gerät) aufgesteckt. Das kann wahlweise vor oder nach dem Anschließen der elektrischen Leiter an den Verbinder erfolgen. Im Bedarfsfall, z.B. bei einem Defekt eines mit dem Verbinder verdrahteten Bauteils, ist es arbeitstechnisch von Vorteil, den Verbinder von den Kontaktstiften abzuziehen und die komplette Bauteilgruppe (z.B. bestehend aus dem defekten Bauteil und dem mit dem Bauteil verdrahteten Verbinder) gegen eine neue Bauteilgruppe auszutauschen.As a rule, the connectors are plugged onto the contact pin of a printed circuit board or onto the contact pin of another counter contact (eg on an electrical device). This can be done either before or after connecting the electrical conductors to the connector. If necessary, For example, in the case of a defect of a component wired to the connector, it is advantageous in terms of working technology to remove the connector from the contact pins and to replace the complete component group (eg consisting of the defective component and the connector wired to the component) with a new group of components.

In der Praxis gibt es auch Anwendungsfälle für den neuen Verbinder, bei denen verlangt wird, dass der Verbinder nicht von den Kontaktstiften abgezogen werden darf, d.h. es soll für den Kontaktstift eine Auszugssperre vorhanden sein, so dass dieser nicht aus dem Anschlussraum des Verbinders herausgezogen werden kann. Dies ist in den Figuren 6 bis 8 dargestellt.In practice, there are also applications for the new connector in which it is required that the connector must not be removed from the contact pins, ie there should be a pull-out for the pin so that they are not pulled out of the terminal space of the connector can. This is in the FIGS. 6 to 8 shown.

Fig. 6 zeigt einen Verbinder, der mit dem Ausführungsbeispiel gemäß Fig. 4 vergleichbar ist, jedoch zusätzlich eine Auszugssperre für den Kontaktstift aufweist, der bei diesem Ausführungsbeispiel in der Form der Widerhaken-Verrastungen 31 in den entsprechenden Vertiefungen des Isolierstoffgehäuses des Verbinders wirksam ist. Fig. 6 shows a connector with the embodiment according to Fig. 4 is comparable, but additionally has an extension lock for the contact pin, which is effective in this embodiment in the form of barbs 31 in the corresponding recesses of the insulating material of the connector.

Die Figuren 7 und 8 zeigen zwei Verbinder, deren Isolierstoffgehäuse in der Weise konstruiert und geformt sind, dass beide Verbinder gemeinsam als eine elektrische Steckverbindung verwendbar sind. In ihrem grundsätzlichen Aufbau sind die Verbinder 32 und 33 mit dem Ausführungsbeispiel gemäß Fig. 4 vergleichbar, jedoch ist bei dem links dargestellten Verbinder 32 der Kontaktstift 34 (der beiden Verbindern gemeinsam ist) mit einer Auszugssperre 35 in dem Isolierstoffgehäuse 36 festgelegt, wohingegen bei dem rechts dargestellten Verbinder 33 das Isolierstoffgehäuse 37 von dem (für beide Verbinder gemeinsamen) Kontaktstift 34 abziehbar ist, wodurch die dargestellte elektrische Steckverbindung geöffnet werden kann.The FIGS. 7 and 8 show two connectors whose insulating housing are constructed and shaped in such a way that both connectors are used together as an electrical connector. In their basic structure, the connectors 32 and 33 with the embodiment according to Fig. 4 However, in the connector 32 shown on the left, the contact pin 34 (which is common to both connectors) is fixed with a pull-out lock 35 in the insulating case 36, whereas in the connector 33 shown on the right, the insulating case 37 is separated from the contact pin 34 (common to both connectors) can be removed, whereby the illustrated electrical connector can be opened.

Die Figuren 9 bis 15 zeigen zwei Anwendungsbeispiele für einen Verbinder gemäß der Lehre der Erfindung, um zu demonstrieren, dass diese sehr gut auch als steckbare Anschluss-Verbinder verwendet werden können, die auf abgewinkelten Kontaktstiften aufsteckbar sind, die ihrerseits in eine Leiterplatte eingelötet sind.The FIGS. 9 to 15 show two application examples of a connector according to the teachings of the invention to demonstrate that they are very good can also be used as a plug-in connection connector, which can be plugged onto angled contact pins, which in turn are soldered into a circuit board.

Fig. 11 zeigt eine Leiterplatte 38, in die in einer versetzten Anordnung jeweils ein langer abgewinkelter Kontaktstift 39 und ein kurzer abgewinkelter Kontaktstift 40 eingelötet sind, wobei die versetzte Anordnung gewährleistet, dass die Lötstellen der Kontaktstifte in der Leiterplatte 38 einen ausreichenden, d.h. störungsfreien Abstand voneinander haben. Fig. 11 shows a circuit board 38, in each of which a long angled contact pin 39 and a short angled contact pin 40 are soldered in an offset arrangement, the staggered arrangement ensures that the solder joints of the pins in the circuit board 38 have a sufficient, ie trouble-free distance from each other.

Die auf die abgewinkelten Kontaktstifte aufsteckbaren Verbinder sind im Querschnitt in Fig. 9 und Fig. 10 dargestellt. Die Fig. 12 und Fig. 13 zeigen die Verbinder als 6-poligen Verbinder 41 in einem gemeinsamen Isolierstoff-Blockgehäuse. Fig. 11 und Fig. 12 zeigen den 6-poligen Verbinder 41 vor dem Aufstecken auf die abgewinkelten Kontaktstifte der Leiterplatte 38. Die Fig. 13 zeigt denselben 6-poligen Verbinder nach dem Aufsteckvorgang.The attachable to the angled contact pins connector are in cross section in FIGS. 9 and 10 shown. The FIGS. 12 and 13 show the connector as a 6-pin connector 41 in a common insulating block housing. 11 and FIG. 12 show the 6-pin connector 41 before plugging on the angled contact pins of the circuit board 38th Die Fig. 13 shows the same 6-pin connector after the Aufsteckvorgang.

Fig. 14 zeigt eine Leiterplatte 42 mit abgewinkelten Kontaktstiften (entsprechend der Leiterplatte 38 in Fig. 11), die in das Gehäuse eines Vorschaltgerätes 43 für elektrische Leuchten eingebaut ist derart, dass der erfindungsgemäße 6-polige Verbinder 44 problemlos in einem einzigen Steckvorgang alle erforderlichen Leiter-Verbindungen zu dem Vorschaltgerät und zu der Leuchte herstellen kann (siehe Fig. 15) Fig. 14 shows a printed circuit board 42 with angled contact pins (corresponding to the circuit board 38 in FIG Fig. 11 ), which is installed in the housing of a ballast 43 for electric lights such that the inventive 6-pin connector 44 can easily make all the necessary conductor connections to the ballast and the lamp in a single mating process (see Fig. 15 )

Claims (6)

  1. Device comprising an electrical connector (32, 33, 41, 44), at least one contact pin (3, 19, 25, 29, 34, 39, 40) and at least one electrical conductor (9, 17, 27, 28),
    - comprising an insulator housing (8, 36, 37), which has plug-in openings on two oppositely-lying sides of the housing, namely on the one side for inserting an electrical contact pin (3, 19, 25, 29, 34, 39, 40) and on the other side for plugging in an insulation-free end of at least one electrical conductor (9, 17, 27, 28),
    - at the pin-side, the connector comprising a pin-clamp contact, so that the connector (32, 33, 41, 44) is pluggable onto the contact pin (3, 19, 25, 29, 39, 40) of a circuit board (4, 38, 42) or onto the contact pin (34) of any other counter contact,
    - and on the conductor side, the connector (32, 33, 41, 44) has a leaf-spring clamping connection for each electrical conductor (9, 17, 27, 28) to be connected having a leaf-spring (22) which extends in the conductor plug-in direction and at an angle with respect to the electrical conductor (9, 17, 27, 28) and which fixedly clamping the insulation-free end of the plug-in electrical conductor (9, 17, 27, 28),
    - wherein the insulation housing (8, 36, 37) of the connector (32, 33, 41, 44) provides a connection area (7, 16) for each electrical conductor (9, 17, 27, 28) to be connected, with it being possible for the contact pin (3, 19, 25, 29, 34, 39, 40) and the electrical conductor (9, 17, 27, 28) to be plugged in with their axial lengths next to one another with an approximately parallel alignment in respect of the overlap of the contact pin (3, 19, 25, 29, 34, 39, 40) and the electrical conductor (9, 17, 27, 28),
    - wherein the contact pin (3, 19, 25, 29, 34, 39, 40) is held fixed in position in the connection area (7, 16),
    - and wherein the leaf-spring end of the leaf-spring clamping connection bears against that side of the electrical conductor (9, 17, 27, 28) which is opposite the contact pin (3, 19, 25, 29, 34, 39, 40), so that the clamping force of the leaf-spring (11, 22) presses the electrical conductor (9, 17, 27, 28) in the direction of the contact pin (3, 19, 25, 29, 34, 39, 40), characterized in
    - that the contact pin (3, 19, 25, 29, 34, 39, 40) has a protrusion (5) beneath its top end, the apex line of said protrusion extending transversely with respect to the longitudinal axis of the contact pin (3, 19, 25, 29, 34, 39, 40) and said protrusion projecting in the direction of the electrical conductor (9, 17, 27, 28) to be connected,
    - that the electric conductor (9, 17, 27, 28) is capable of being moved transversely with respect to its conductor axis in a structurally permitted movement region (10, 20),
    - and that the leaf-spring end of the leaf-spring clamping connection bears against the electrical conductor (9, 17, 27, 28) approximately at the height of the protrusion (5).
  2. Device according to claim 1 characterized in,
    - that the electrical conductor (9, 17, 27, 28) makes direct contact with the contact pin (3, 19, 25, 29, 34, 39, 40).
  3. Device according to claim 1, characterized in,
    - that the connector (32, 33, 41, 44) has two connection areas (7, 16)
    - and that the contact pin (29) is positioned in the middle between the connection areas (7, 16) and serves both connection areas (7, 16) as contact pin (3, 19, 25, 29, 34, 39, 40).
  4. Device according to claim 1, characterized in,
    - that the head end of the contact pin (3, 19, 25, 29, 34, 39, 40) is held in a precisely fixed position in the insulator housing (8, 36, 37) of the electrical connector (32, 33, 41, 44) by way of an insulator overhang (6).
  5. Device according to claim 1, characterized in,
    - that the food end of the contact pin (3, 19, 25, 29, 34, 39, 40) is held in fixed position against the insulator housing (3, 36, 37) of the connector (32, 33, 41, 44) by means of a support (26, 30) formed on the contact pin (3, 19, 25, 29, 34, 39, 40).
  6. Device according to claim 1, characterized in,
    - that the leaf-spring clamp connection consists of a two-limbed leaf-spring (22) with a leaf-spring clamping limb (11) and a leaf-spring holding limb (12),
    - and that the leaf-spring holding limb (12) is held in fixed position in the insulator housing (8, 36, 37) of the electrical connector by engaging with the insulator housing.
EP10008601A 2006-04-25 2007-04-13 Electr. connector Not-in-force EP2246938B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006019655 2006-04-25
EP07007567A EP1850418B1 (en) 2006-04-25 2007-04-13 Electric connector

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP07007567.6 Division 2007-04-13

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EP2246938A1 EP2246938A1 (en) 2010-11-03
EP2246938B1 true EP2246938B1 (en) 2011-11-30

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ID=38328183

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EP07007567A Active EP1850418B1 (en) 2006-04-25 2007-04-13 Electric connector
EP10008601A Not-in-force EP2246938B1 (en) 2006-04-25 2007-04-13 Electr. connector

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EP07007567A Active EP1850418B1 (en) 2006-04-25 2007-04-13 Electric connector

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US (2) US7704095B2 (en)
EP (2) EP1850418B1 (en)
JP (1) JP4565399B2 (en)
CN (1) CN101064383B (en)
AT (2) ATE521107T1 (en)
DE (1) DE102007018443B4 (en)
ES (2) ES2382291T3 (en)
TW (2) TWI449281B (en)

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Also Published As

Publication number Publication date
ES2374600T3 (en) 2012-02-20
US20070259577A1 (en) 2007-11-08
TW201205997A (en) 2012-02-01
ATE521107T1 (en) 2011-09-15
JP4565399B2 (en) 2010-10-20
JP2007294467A (en) 2007-11-08
CN101064383A (en) 2007-10-31
TW200812176A (en) 2008-03-01
EP1850418B1 (en) 2011-08-17
ES2382291T3 (en) 2012-06-07
ATE535964T1 (en) 2011-12-15
DE102007018443A1 (en) 2007-11-29
US20100190386A1 (en) 2010-07-29
EP1850418A3 (en) 2008-12-17
TWI449281B (en) 2014-08-11
DE102007018443B4 (en) 2013-11-21
US7845970B2 (en) 2010-12-07
EP1850418A2 (en) 2007-10-31
EP2246938A1 (en) 2010-11-03
US7704095B2 (en) 2010-04-27
CN101064383B (en) 2010-11-24
TWI351799B (en) 2011-11-01

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