EP1850418B1 - Electric connector - Google Patents

Electric connector Download PDF

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Publication number
EP1850418B1
EP1850418B1 EP07007567A EP07007567A EP1850418B1 EP 1850418 B1 EP1850418 B1 EP 1850418B1 EP 07007567 A EP07007567 A EP 07007567A EP 07007567 A EP07007567 A EP 07007567A EP 1850418 B1 EP1850418 B1 EP 1850418B1
Authority
EP
European Patent Office
Prior art keywords
contact pin
connector
electrical conductor
leaf
contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP07007567A
Other languages
German (de)
French (fr)
Other versions
EP1850418A2 (en
EP1850418A3 (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
Priority to DE102006019655 priority Critical
Application filed by Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Publication of EP1850418A2 publication Critical patent/EP1850418A2/en
Publication of EP1850418A3 publication Critical patent/EP1850418A3/en
Application granted granted Critical
Publication of EP1850418B1 publication Critical patent/EP1850418B1/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring
    • H01R4/4818Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring adapted for axial insertion of a wire end
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], 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
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/55Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], 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
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/712Coupling 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
    • H01R12/716Coupling device provided on the PCB
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/15Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring
    • H01R4/4818Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring adapted for axial insertion of a wire end
    • H01R4/4827Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring adapted for axial insertion of a wire end with an opening in the housing for insertion of a release tool
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], 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
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/515Terminal blocks providing connections to wires or cables
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10Electrically-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
    • H01R4/18Electrically-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
    • H01R4/183Electrically-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
    • H01R4/184Electrically-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
    • H01R4/185Electrically-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
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22Bases, e.g. strip, block, panel
    • H01R9/24Terminal blocks
    • H01R9/2416Means for guiding or retaining wires or cables connected to terminal blocks

Description

  • The invention relates to an electrical connector with a Isolierstoffgehäuse having insertion openings on two opposite sides of the housing, on the one hand for the insertion of an electr. Contact pin and on the other side for the insertion of the insulation-free end of at least one elektr.Leiters. On the pin side of the connector has a pin terminal contact, so that the connector on the contact pin of a printed circuit board or on the terminal contact pin of another mating contact can be plugged, and on the conductor side has the connector for each electrical to be connected. Head a leaf spring clamp connection with a leaf spring, which is in Leitereinsteckrichtung and diagonally against the electr. Ladder extends and clamped with its leaf spring end, the insulation-free end of the inserted conductor.
  • The insulating material of the connector provides for each electrical to be connected. Head a connection space available, in which the contact pin and the electr. Ladder side by side with approximately parallel orientation can be inserted such that the contact pin and the electr. Overlap conductors with their axial lengths. In this case, the contact pin is kept fixed in position in the connection space, whereas the electr. Ladder in a structurally approved displacement range transversely to its conductor axis is displaceable (preferably is displaceable parallel), wherein the leaf spring end of the leaf spring clamp connection bears against the side of the electrical conductor which is opposite to the contact pin, so that the clamping force of the leaf spring the electr. Press the conductor in the direction of the contact pin.
  • Electr. Connectors of this type are already in 1976 in the GB 528 993 described. They are presented there as two-pole connectors, consisting of two single-pole connectors, which are arranged in a common block housing made of insulating material, so that the two-pole Blockgehäuseverbinder 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 the existing on the other side of the connector leaf spring clamp connections for the electr. If necessary, ladder can be reopened by the leaf spring of the leaf spring clamped connections are pushed back by means of a tool, so that the electr. Conductor can be pulled out of the connector again.
  • Another connector of this type is from the EP 0 735 616 A2 known (see figures 18 and 19). He is referred to as an "electrical connector" on the one soldered contact pins of a printed circuit board can be plugged and also deducted from the pins as a result of a tulip spring auffedernden female terminal contact. On the other side of the connector turn is a leaf spring clamp connection for the electr. Head present, which also (as with 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 one integrated leaf spring clamp connection for the electr. Ladder forms. 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.
  • 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 00/31830 A discloses a connector in which an insulation-free end of an electr. Conductor is applied directly to a contact pin and pressed with a leaf spring against the contact pin. The conductor is displaceable in the conductor insertion opening.
  • The object of the invention is to provide a connector of the aforementioned type, which is inexpensive to manufacture and its size can also be significantly reduced, so that it can be used in a confined space both as a single pole and as a multipole connector.
  • A generic electrical connector is in the DE 198 03 085 A1 described.
  • A generic electrical connector is in the DE 198 03 085 A1 described. From a one-piece sheet metal stamping bent part, a contact element is formed, in which a clamping spring with two mirror-symmetrical legs is issued from a base plate. Furthermore, contact springs are connected to the base plate, which have a support portion and a pressing portion.
  • An electrical conductor is pressed by a clamping spring leg against the support portion of a contact spring and held fixed bearing on the support portion. In contrast, a contact pin is pressed by the contact pressure section of a contact spring against a support surface exposed by the base plate. This fully mutually independent spring terminals are provided for an electrical conductor and a contact pin. The clamping of an electrical conductor does not affect the clamping of a contact pin and vice versa.
  • This object is achieved by the electrical connector having the features of claim 1. Advantageous embodiments are described in the subclaims. Positioned between the electrical conductor and the contact pin in the region of their mutual axial overlap a contact wall, which the electr. Ladder leads during the insertion process in the connection space in the direction of its conductor axis, preferably up to a bottom-side, the contact wall towards open conductor catch bag. Through this contact wall guide the unwanted splicing of individual wires of a stranded flexible conductor is avoided. The contact wall is in a structurally approved displacement range transverse to the conductor axis of the electr. Ladder and together with the electr. Ladder in the direction of the contact pin displaceable, so that the electr. Head directly the contact wall and the contact wall directly contacted the contact pin.
  • 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 in addition to the contact wall and only to form the leaf spring terminal 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. It is proposed in this regard that the leaf spring clamp has a U-shaped curved two-legged leaf spring having a leaf spring clamping leg and a leaf spring holding leg, wherein the leaf spring holding leg is fixed in the insulator housing of the connector by latching with the insulating material.
  • With regard to the required reduction in the size of the connector, it is part of the teaching of the invention that the einzusteckenden in the connector axial lengths of the contact pin and the electr. Ladder overlap. This overlap can be maximum by the electr. Conductor is inserted into the connection space of the connector up to a bottom-side connection wall, so that the end of the electr. Ladder close to the base of the electr. Contact pin or another pin is introduced. This maximum overlap ensures that the overall height of the connector is not significantly greater than the insertion depth of the electr. Conductor.
  • The new connectors can per pole one or two terminal compartments for elec. Conductor, wherein for a connector with two terminal spaces, only one contact pin is sufficient when 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. It is preferred to fix the head end of the respective contact pin in the terminal space by an insulating material grip positionally accurate. This positional accuracy of the contact pin used in each case improves the contact system of the electr. Ladder on the contact pin.
  • The same purpose of the positional accuracy of the contact pin is an 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 fixed in position 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 protruding pins directly z. B. can use in the solder holes of a circuit board and can solder.
  • It is an advantage 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 a running in the direction of the longitudinal axis of the contact pin contact line of an electr. Ladder then results in the intersection of the lines mentioned a point contact with a higher surface pressure, whereby the current transition is improved in this contact point.
  • Hereinafter, embodiments of the invention will be described with reference to the drawings. Show it:
  • Figures 1 + 2 -
    a connector in side layer and perspective sectional view;
    FIG. 3 -
    an embodiment of the connector according to the invention;
    Figures 4 + 5 -
    two more examples of connectors;
    Figures 6 - 8 -
    two embodiments with a pull-out lock of the contact pin from the connector housing;
    Figures 9 - 15 -
    two application examples of a connector.
  • FIG. 1 shows a cross section through a connector in the plugged state on a contact pin 3, which is soldered into the circuit board 3. 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 electr. Conductor 9 is inserted from the upper side into the connector. In the connection space 7 of the connector of the contact pin 3 and the electr. Head 9 arranged side by side and overlap with their axial lengths. By means of the protrusion 5, the contact pin contacted the electr. Head 9 directly, so that an immediate current transition between the contact pin and the electrical conductor takes place.
  • The electr. Head 9 is (as the housing representation in Fig. 1 shows) by means of the spring force (clamping force) of the leaf spring 13 to the left against the contact pin 3 slidably. The shift takes place within the structurally approved displacement range 10. This ensures that the electr. Conductor 9 always contact-safe against the particular contact pin 3 used.
  • The built-in connector leaf spring 13 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 held fixed in position with its head and its holding leg 12 in the insulating.
  • In the insulating housing of the connector, a test opening 14 is provided in the usual way. It is also possible to equip the Isolierstoffgehäuse with a pusher of insulating material, which is to be operated manually, to the leaf spring clamping leg, if necessary 11 of the electr. Press off conductor 9 so that the clamping of the electr. Conductor is solved and the electr. Ladder can be pulled out of the connector. The same result is usually achieved with an actuating opening in the insulating housing, through which a tool (eg., A screwdriver blade) can be brought up to the leaf spring clamping leg 11, as z. B. also in the FIG. 3 is shown.
  • FIG. 2 shows in perspective view a multi-pole connector, with a made of insulating block housing 15. The built into the block housing 15 five single-pole connector are identical and correspond 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 according to the invention with a connection space 16 which has 17 special features for the connection of a multi-wire flexible conductor. The terminal compartment includes 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 area 20 transversely to the conductor axis of the electr. Conductor 17 and together with this in the direction of the contact pin 19 is slidable to a good electr. Ensure 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 splicing off from the stranded flexible conductor 17 during the insertion process. The conductor terminal point between the leaf spring 22 and the contact wall 18 can be used for connecting and disconnecting the electr. Ladder are opened 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 from the electr. Head is moved away. At 24 the usual test opening is provided.
  • FIG. 4 shows a connector with the connector acc. 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, the two connection spaces for two electr. Head 27 and 28 has and for producing an electr. Connection to only one contact pin 29 can be plugged. The contact pin 29 is mirror-symmetrical to its longitudinal axis and thus serves the two connection spaces as a contact pin. He has on both sides each have a support bearing 30, which ensure the positionally accurate plugging the connector on the contact pin.
  • As a rule, the connectors are plugged onto the contact pins of a printed circuit board or onto the connection contact pin of another counter contact (eg on an electrical device). This can optionally before or after connecting the electr. Conductor to the connector. If necessary, z. For example, in the case of a defect of a component wired to the connector, it is industrially advantageous to strip the connector from the contact pins and the complete component group (eg, consisting of the defective component and the connector wired to the component) against a new group of components exchange.
  • 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 shows a connector according to the embodiment. 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.
  • The FIGS. 7 and 8 show two connectors, whose insulator shells are constructed and shaped in such a way that both connectors together as an electr. Plug connection can be used. 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 housing 36, whereas in the connector 33 shown on the right, the insulating housing 37 is separated from the contact pin 34 (common to both connectors) is removable, whereby the illustrated electr. Plug connection can be opened.
  • The FIGS. 9 to 15 show two application examples of a connector according to the teachings of the invention to demonstrate that they can also be used very well as plug-in connector connectors that can be plugged onto angled contact pins, which in turn are soldered into a printed circuit board.
  • Fig. 11 shows a printed circuit board 38, in each of which a long angled contact pin 39 and a short angled contact pin 39 and a short angled contact pin 40 are soldered in a staggered arrangement, wherein the staggered arrangement ensures that the solder joints of the contact pins in the circuit board 38 sufficient, that is, have trouble-free distance from each other.
  • 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 shows a printed circuit board 42 with angled contact pins (corresponding to the circuit board 38 in FIG Fig. 11 ), in the housing of a ballast 43 for electr. Luminaires installed is 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 plug-in operation (see Fig. 15 ).

Claims (6)

  1. Electrical connector (32, 33, 41, 44),
    - with an insulating housing (8, 36, 37), which has plug-in openings on two mutually opposite housing sides, namely on one side for the insertion of an electrical contact pin (3, 19, 25, 29, 34, 39, 40) and on the other side for plugging in the insulation-free end of at least one electrical conductor (9, 17, 27, 28),
    - 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, said leaf-spring clamping connection having a leaf spring (13, 22) which is suitable for extending in the conductor plug-in direction and at an angle with respect to the electrical conductor (9, 17, 27, 28) and for fixedly clamping the insulation-free end of the plugged-in electrical conductor (9, 17, 27, 28) by means of its leaf-spring end,
    - wherein the insulating 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), and
    - the contact pin (3, 19, 25, 29, 34, 39, 40) can be held fixed in position in the connection area (7, 16), whereas the electrical conductor (9, 17, 27, 28) continues to be capable of being moved transversely with respect to its conductor axis in a structurally permitted movement region (10, 20),
    - wherein the leaf-spring end of the leaf-spring clamping connection is provided so as to bear against that side of the electrical conductor (9, 17, 27, 28) which is opposite the contact pin, with the result that the clamping force of the leaf spring (13, 22) presses a plugged-in electrical conductor in the direction of the contact pin,
    - characterized in that a contact wall (18) is provided so as to position between the electrical conductor (17) and the contact pin (19) in the region in which they overlap one another axially and so as to guide the electrical conductor (9, 17, 27, 28) during the plug-in operation into the connection area (7, 16) in the direction of its conductor axis, and
    - in that the contact wall (18) can be moved in a structurally permitted movement region (20) transversely with respect to the conductor axis of an adjoining plugged-in electrical conductor (9, 17, 27, 28) and together with the electrical conductor (9, 17, 27, 28) in the direction of an adjoining contact pin (19) in order to cause the electrical conductor (9, 17, 27, 28) to make direct contact with the contact wall (18) and the contact wall (18) to make direct contact with the contact pin (3, 19, 25, 29, 34, 39, 40).
  2. Connector (32, 33, 41, 44) according to Claim 1, characterized
    - in that the connector (32, 33, 41, 44) has two connection areas (7, 16),
    - and in that the plug-in opening for a contact pin (29) is positioned between the connection areas (7, 16) and designed in such a way that a contact pin (19) which has been inserted into the plug-in opening serves as contact pin (19) for both connection areas (7, 16).
  3. Connector (32, 33, 41, 44) according to Claim 1, characterized in that the insulating housing (8, 36, 37) has an insulating overhang (6), which is suitable for fixing the top end of the contact pin (3, 19, 25, 29, 34, 39, 40) precisely in its position by virtue of the insulating overhang (6) in the insulating housing (8, 36, 37) of the connector (32, 33, 41, 44).
  4. Connector (32, 33, 41, 44) according to one of the preceding claims,
    characterized
    - in that the leaf-spring clamping connection comprises a two-limbed leaf spring (13, 22) bent in the form of a U with a leaf-spring clamping limb (11) and a leaf-spring holding limb (12),
    - and in that the leaf-spring holding limb (12) is fixed in the insulating housing (8, 36, 37) of the connector (32, 33, 41, 44) by latching with the insulating housing (8, 36, 37).
  5. Apparatus having a connector (32, 33, 41, 44) according to one of the preceding claims and a contact pin (3, 19, 25, 29, 34, 39, 40),
    characterized
    - in that the base end of the contact pin (3, 19, 25, 29, 34, 39, 40) is held fixed in position by means of a supporting bearing (26, 30), formed on the contact pin (3, 19, 25, 29, 34, 39, 40), against the insulating housing (8, 36, 37) of the connector (32, 33, 41, 44).
  6. Apparatus with a connector (32, 33, 41, 44) according to one of Claims 1 to 4 and a 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,
    - and in that the leaf-spring end of the leaf-spring clamping connection is suitable for bearing against a plugged-in electrical conductor (9, 17, 27, 28) approximately at the height of the protrusion (5).
EP07007567A 2006-04-25 2007-04-13 Electric connector Active EP1850418B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102006019655 2006-04-25

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JP (1) JP4565399B2 (en)
CN (1) CN101064383B (en)
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CN104704681A (en) * 2012-10-08 2015-06-10 泰科电子公司 Eye-of-the needle pin contact
CN104704681B (en) * 2012-10-08 2017-01-18 泰科电子公司 Eye-of-the needle pin contact
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Also Published As

Publication number Publication date
US7845970B2 (en) 2010-12-07
DE102007018443B4 (en) 2013-11-21
US20070259577A1 (en) 2007-11-08
EP1850418A3 (en) 2008-12-17
AT535964T (en) 2011-12-15
TWI351799B (en) 2011-11-01
JP2007294467A (en) 2007-11-08
EP2246938B1 (en) 2011-11-30
JP4565399B2 (en) 2010-10-20
TW201205997A (en) 2012-02-01
US20100190386A1 (en) 2010-07-29
CN101064383B (en) 2010-11-24
AT521107T (en) 2011-09-15
TW200812176A (en) 2008-03-01
DE102007018443A1 (en) 2007-11-29
ES2374600T3 (en) 2012-02-20
ES2382291T3 (en) 2012-06-07
EP1850418A2 (en) 2007-10-31
US7704095B2 (en) 2010-04-27
EP2246938A1 (en) 2010-11-03
TWI449281B (en) 2014-08-11
CN101064383A (en) 2007-10-31

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