EP0600153B1 - Douille de contact - Google Patents

Douille de contact Download PDF

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Publication number
EP0600153B1
EP0600153B1 EP93110759A EP93110759A EP0600153B1 EP 0600153 B1 EP0600153 B1 EP 0600153B1 EP 93110759 A EP93110759 A EP 93110759A EP 93110759 A EP93110759 A EP 93110759A EP 0600153 B1 EP0600153 B1 EP 0600153B1
Authority
EP
European Patent Office
Prior art keywords
contact sleeve
contact
sleeve according
cutout
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93110759A
Other languages
German (de)
English (en)
Other versions
EP0600153A1 (fr
Inventor
Haiderali Harji
Franz Gutmann
Werner Eckhardt
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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO AG
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 Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of EP0600153A1 publication Critical patent/EP0600153A1/fr
Application granted granted Critical
Publication of EP0600153B1 publication Critical patent/EP0600153B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/34—Conductive members located under head of screw
    • 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
    • H01R13/207—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together by screw-in connection
    • 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

Definitions

  • the invention relates to a contact sleeve for insertion into a recess of a housing or support component of a measuring mechanism, which can be electrically conductively connected to the measuring mechanism, wherein a contact or fastening screw can be screwed into the recess via the contact sleeve, through which a circuit board can be inserted It can be pressed against an end region of the recess and an interconnect region of the circuit board can be connected in an electrically conductive manner to the contact sleeve.
  • the object of the invention is to provide a contact sleeve of the type mentioned at the outset, which ensures a high level of contact reliability and can still be used for the most varied arrangements of the conductor track region on the printed circuit board.
  • the contact sleeve has at its end facing the circuit board an approximately radially outwardly extending flange-like extension which extends into the front mouth area of the recess between the housing or carrier component and the circuit board which can be pressed thereon.
  • This design makes it possible to arrange the conductor track area on the one hand on the side facing away from the housing component, the screw serving both as a contact screw and as a fastening screw.
  • the conductor track area is arranged on the side facing the housing component.
  • the flange-like extension lies over a large area on the conductor track area and thus reliably establishes contact.
  • the screw only has the function of fastening the circuit board to the housing component and pressing the conductor track area onto the flange-like extension.
  • the flange-like extension is not only used for contacting, but also forms a mounting stop when inserting the contact sleeve into the recess of the housing component.
  • the flange-like extension acts to a certain extent as a spring arm and is clamped between the housing component and the circuit board when the screw is screwed on, as a result of which both the reliability of contact is increased and manufacturing tolerances can be compensated for.
  • the contact sleeve is particularly simple to manufacture if the flange-like extension is formed by one or more radially outwardly directed tabs.
  • the contact sleeve can consist of a sheet metal part bent into a sleeve, in the end region of which there are flap-forming axial incisions which enable the flaps to be bent radially outwards. This training also improves the spring behavior and thus the contact security of the extension.
  • the contact screw can preferably be pressed with its screw head, which widens radially with respect to the screw shaft, onto the conductor track region arranged on the side of the printed circuit board facing away from the housing or carrier component.
  • a contact hole disk can be arranged between the screw head and the conductor track area, the contact reliability being increased even further if a spring washer can be arranged between the screw head and the contact hole disk.
  • the two variants of the circuit board contacts can be used at each end of the recess. This means that a single version of a contact sleeve can be used for a wide variety of mounting variants of the printed circuit board, so that the contact sleeve can be manufactured and stored inexpensively.
  • the flange-like extension extends radially outwards at an acute angle to the front mouth area of the housing or carrier component, then the Spring effect of the flange-like extension and thus the contact reliability is increased.
  • the recess and the contact sleeve can have a circular or even a polygonal, in particular square, cross section.
  • the polygonal cross-section has the advantage that it provides positive locking against rotation about the longitudinal axis of the contact sleeve in the recess.
  • the contact sleeve has a continuous longitudinal slot, spreading and thus securing the position of the contact sleeve in the recess can be achieved in a simple manner by screwing in the contact or fastening screw.
  • the longitudinal slot preferably extends along a corner of the contact sleeve.
  • the contact or fastening screw can be screwed into the contact sleeve in a self-tapping or thread-tapping manner.
  • the inner wall of the contact sleeve and / or the surface of the contact flange facing the conductor track has a highly conductive, easily plastically deformable layer, such as, for. B. a tin layer is provided.
  • This layer is preferably made of a material which additionally has a low contact resistance and is not oxidizing.
  • the shape of the adjoining one is adapted both in the area of the screw shank and in the area of the flange-like extension Parts and thus a high level of contact reliability achieved.
  • a further embodiment for the screwability of the screw consists in that at least one radially inwardly directed projection for engaging in the thread of the contact or fastening screw is formed on the inner wall of the contact sleeve.
  • a plurality of projections are preferably formed in accordance with the pitch and pitch of the thread of the contact or fastening screw.
  • the contact sleeve can be inserted into the recess with force and / or friction and / or positive locking.
  • the contact sleeve can be provided on its outer lateral surface with a roughening which, for. B. is formed by knurling.
  • the contact sleeve has a projection protruding from its outer surface.
  • the contact sleeve can also have a resilient arm projecting from its outer lateral surface.
  • the contact surface can have an opening on its outer lateral surface, into which an appropriate extension projecting from the inner wall of the recess can be engaged.
  • the contact sleeve can have a contact tab for connecting the measuring mechanism. Is the contact tab by bending a partially punched out wall section from the Formed outer surface of the contact sleeve, no additional material is required for the contact tab.
  • the measuring instrument shown in FIGS. 1, 2 and 3 is a measuring mechanism with a winding carrier 1 carrying windings 4 with support arms 2 arranged laterally thereto for fastening a printed circuit board and optionally also for fastening the measuring instrument to a carrier.
  • a permanent magnet is rotatably mounted within the windings 4, depending on the current supply to the windings, from which a pointer axis 5 projects outside the windings.
  • a pointer axis 5 projects outside the windings.
  • In the support arms 2 are axially to the pointer axis 5 through recesses 6 and 6 ', in which contact sleeves 7 and 7' are inserted.
  • the contact sleeves 7 and 7 ' have laterally projecting contact tabs 8, with which the winding ends 9 are connected.
  • the contact sleeves 7 and 7 ' are provided with flange-like outwardly directed tabs 10, which extend approximately radially along the end region of the recesses 6 and 6'.
  • a circuit board 11, 11 'or 11' is placed on the end face of the support arms 2 and fastened by a fastening screw 12.
  • This fastening screw 12 extends through a recess 13 in the circuit board 11, 11 'and 11 ⁇ and is screwed with its shaft 14 into the contact sleeve 7'.
  • the fastening screw 12 is a self-tapping screw that cuts with its thread into the inner wall of the contact sleeve 7 '.
  • the fastening screw 12 presses the printed circuit board 11, 11 'or 11' over the lugs 10 of the contact sleeve 7 'which extend between the support arm 2 and the printed circuit board 11, 11' and 11 ', onto the front mouth region of the recess 6 surrounding the recess 6 Support arm 2.
  • circuit board 11 ' is a flexible circuit board, between which and the tab 10 a support plate 16 is arranged.
  • the copper-clad conductor area 17 of the circuit boards 11 and 11 ' is arranged on the side facing the screw head 15.
  • the screw head 15 lies on a contact plate 18 resting on the conductor track region 17 and a spring washer 19 on the conductor track region 17.
  • the conductor track region 17 is conductively connected to the contact sleeve 7 '.
  • the conductor track region 17 is arranged on the side of the printed circuit board 11 ⁇ facing away from the screw head 15 and lies directly on the tab 10 of the contact sleeve 7 '.
  • the contact sleeve 7 'shown in FIGS. 4 and 5, which is provided for the measuring instrument according to FIG. 3 and the exemplary embodiments of FIGS. 8 to 10, has a square cross section and a longitudinal slot 20 along one corner.
  • This contact sleeve 7' provided for insertion into a recess 6 'corresponding square cross section.
  • the contact sleeve 7 ' is inserted in the state shown with axially directed tab 10 in the recess 6' and then this lower tab 10 is bent approximately at right angles to the upper tab. So that form both the tabs formed on the upper and also on the lower end of the contact sleeve 10, which abut against the surfaces of the support arm which extend approximately radially along the two-sided front mouth regions of the recess 6 '.
  • the outer lateral surface of the contact sleeve 7 ' is provided in its two end regions with a knurling 21, so that the contact sleeve 7' when screwed in the contact sleeve 7 'spreading fastening screw 12 with friction and friction on the wall of the recess 6 'is in contact.
  • the fastening screw 12 is screwed self-tapping into the contact sleeve 7 '.
  • the contact sleeve 7 shown in FIGS. 6 and 7, which is provided for the measuring instrument according to FIGS. 1 and 2, has a round cross-section with a longitudinal slot 20 corresponding to the recess 6 assigned to it.
  • the insertion and axial securing of the contact sleeve 7 by the flaps 10 are bent as in the exemplary embodiment according to FIGS. 4 and 5.
  • the additional securing of the contact sleeve 7 in the recess 6 is carried out by means of notches produced by resilient arms 21 protruding from the outer lateral surface of the contact sleeve 7, which extend with their free end can claw into the wall of the recess 6.
  • the contact tab 8 is formed by bending out a partially punched wall section from the outer surface of the contact sleeve 7.
  • the contact sleeve 7 furthermore has radially inwardly directed projections 23 which are produced by indentations and which are designed such that they are offset in height and laterally in accordance with the pitch of the thread of the fastening screw 12. As a result, they form a thread into which the fastening screw 12 can be screwed with its thread.
  • the tabs 10 of the contact sleeve 7 extend, as can be seen in particular in FIG. 1, at an acute angle to the front mouth area of the support arm, so that they bear against the printed circuit board 11 in the assembled state with resilient bias.
  • tabs 10 are arranged at both ends of the contact sleeves 7 and 7 ', so that printed circuit boards 11, 11' or 11 'can be arranged either on the front or on the back of the measuring mechanism .

Landscapes

  • Measuring Leads Or Probes (AREA)

Claims (24)

  1. Douille de contact (7, 7′) conçue pour être insérée dans l'évidement (6, 6′) d'une pièce structurelle formant le boîtier ou le support d'un mécanisme mesureur, ladite douille pouvant être mise en liaison électriquement conductrice avec le mécanisme mesureur, une vis respective (12) de contact ou de fixation pouvant être vissée dans l'évidement par l'intermédiaire de la douille de contact, vis au moyen de laquelle une plaquette (11, 11′, 11˝) à circuits imprimés peut être pressée à plat contre une zone d'embouchure extrême de l'évidement, et une zone à piste conductrice de la plaquette à circuits imprimés pouvant être mise en liaison électriquement conductrice avec la douille de contact, caractérisée par le fait que la douille de contact (7, 7′) présente, à son extrémité tournée vers la plaquette (11, 11′, 11˝) à circuits imprimés, un élargissement du type bride(s) qui s'étend sensiblement vers l'extérieur, dans le sens radial, dans la zone d'embouchure extrême de l'évidement (6, 6′) entre la pièce structurelle (2) formant boîtier ou support, et la plaquette (11, 11′, 11˝) à circuits imprimés pouvant être pressée sur cette dernière.
  2. Douille de contact selon la revendication 1, caractérisée par le fait que l'élargissement du type bride(s) est formé par une ou plusieurs patte(s) (10) orientée(s) radialement vers l'extérieur.
  3. Douille de contact selon l'une des revendications précédentes, caractérisée par le fait que la vis de contact (12) peut être pressée, par sa tête (15) s'évasant radialement par rapport au fût (14) de ladite vis, contre la zone (17) à piste conductrice située du côté de la plaquette (11, 11′) à circuits imprimés qui est tourné à l'opposé de la pièce structurelle (2) formant boîtier ou support.
  4. Douille de contact selon la revendication 3, caractérisée par le fait qu'un disque de contact perforé (18) peut être interposé entre la tête (15) de la vis et la zone (17) à piste conductrice.
  5. Douille de contact selon la revendication 4, caractérisée par le fait qu'un disque élastique (19) peut être interposé entre la tête (15) de la vis et le disque de contact perforé (18).
  6. Douille de contact selon l'une des revendications précédentes, caractérisée par le fait que l'évidement (6, 6′) est de réalisation ininterrompue et la douille de contact (7, 7′) est réalisée de manière à s'étendre sur tout l'évidement (6, 6′), des élargissements du type brides s'étendant dans les deux zones d'embouchures extrêmes de l'évidement (6, 6′).
  7. Douille de contact selon l'une des revendications précédentes, caractérisée par le fait que l'élargissement du type bride(s) s'étend radialement vers l'extérieur, selon un angle aigu, par rapport à la zone d'embouchure extrême de la pièce structurelle (2) formant boîtier ou support.
  8. Douille de contact selon l'une des revendications précédentes, caractérisée par le fait que les évidements (6, 6′) et la douille de contact (7, 7′) possèdent une section transversale circulaire.
  9. Douille de contact selon l'une des revendications 1 à 7, caractérisée par le fait que l'évidement (6′) et la douille de contact (7′) possèdent une section transversale polygonale.
  10. Douille de contact selon la revendication 9, caractérisée par le fait que l'évidement (6′) et la douille de contact (7′) possèdent une section transversale carrée.
  11. Douille de contact selon l'une des revendications précédentes, caractérisée par le fait que cette douille de contact (7, 7′) possède une fente longitudinale ininterrompue (20).
  12. Douille de contact selon l'une des revendications 9 et 11, caractérisée par le fait que la fente longitudinale (20) s'étend le long d'un coin de la douille de contact (7′).
  13. Douille de contact selon l'une des revendications précédentes, caractérisée par le fait que la vis respective (12) de contact ou de fixation peut être vissée dans la douille de contact (7′) avec effet respectif d'autotaraudage ou de taillage de filets.
  14. Douille de contact selon l'une des revendications précédentes, caractérisée par le fait que la paroi intérieure de la douille de contact (7′), et/ou la surface de la bride de contact qui est tournée vers la piste conductrice (17), est munie d'une couche à bonne conductivité et à déformabilité plastique aisée.
  15. Douille de contact selon l'une des revendications précédentes, caractérisée par le fait qu'au moins une protubérance (23), dirigée radialement vers l'intérieur, est ménagée sur la paroi intérieure de la douille de contact (7) en vue de s'engager dans le filet de la vis respective (12) de contact ou de fixation.
  16. Douille de contact selon la revendication 15, caractérisée par le fait que plusieurs protubérances (23) sont réalisées avec décalages vertical et latéral, d'une manière correspondant au pas du filet de la vis respective (12) de contact ou de fixation.
  17. Douille de contact selon l'une des revendications précédentes, caractérisée par le fait que cette douille de contact (7, 7′) peut être insérée dans l'évidement (6, 6′) avec blocage par coopération mécanique et/ou par frottement et/ou par concordance de formes.
  18. Douille de contact selon la revendication 17, caractérisée par le fait que cette douille de contact (7′) est pourvue d'une structure rugueuse sur la surface extérieure de son enveloppe.
  19. Douille de contact selon la revendication 18, caractérisée par le fait que cette douille de contact (7′) est dotée d'un moletage sur la surface extérieure de son enveloppe.
  20. Douille de contact selon la revendication 17, caractérisée par le fait que cette douille de contact présente une protubérance saillant au-delà de la surface extérieure de son enveloppe.
  21. Douille de contact selon la revendication 17, caractérisée par le fait que cette douille de contact (7) présente un bras élastique (21) débordant de la surface extérieure de son enveloppe.
  22. Douille de contact selon la revendication 17, caractérisée par le fait que cette douille de contact comporte, sur la surface extérieure de son enveloppe, un orifice dans lequel peut être inséré un appendice correspondant, faisant saillie au-delà de la paroi intérieure de l'évidement.
  23. Douille de contact selon l'une des revendications précédentes, caractérisée par le fait que cette douille de contact (7, 7′) présente une languette de contact (8) en vue du raccordement du mécanisme mesureur.
  24. Douille de contact selon la revendication 23, caractérisée par le fait que la languette de contact (8) est formée par coudage, vers l'extérieur, d'une région de paroi partiellement découpée dans la surface de l'enveloppe de la douille de contact (7).
EP93110759A 1992-12-02 1993-07-06 Douille de contact Expired - Lifetime EP0600153B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4240452A DE4240452A1 (de) 1992-12-02 1992-12-02 Kontakthülse
DE4240452 1992-12-02

Publications (2)

Publication Number Publication Date
EP0600153A1 EP0600153A1 (fr) 1994-06-08
EP0600153B1 true EP0600153B1 (fr) 1995-04-26

Family

ID=6474159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93110759A Expired - Lifetime EP0600153B1 (fr) 1992-12-02 1993-07-06 Douille de contact

Country Status (3)

Country Link
US (1) US5697796A (fr)
EP (1) EP0600153B1 (fr)
DE (2) DE4240452A1 (fr)

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JP2001051163A (ja) * 1999-08-05 2001-02-23 Yazaki Corp 光コネクタの固定構造
US6206726B1 (en) * 2000-02-17 2001-03-27 Yazaki North America, Inc. Tolerance accommodating mounting pad for junction box cover
WO2006005157A1 (fr) * 2004-07-15 2006-01-19 Kaba Ilco Corp. Composant electroconducteur approprie pour etre utilise dans des dispositifs de commande d'acces
DE102011017746A1 (de) * 2011-04-29 2012-10-31 Zf Friedrichshafen Ag Verfahren zum Anbinden einer auf einer Leiterplatte befestigten Baugruppe an eine Leistungsklemme und Leiterplattensystem
DE102014201356A1 (de) * 2014-01-27 2015-07-30 Schaeffler Technologies AG & Co. KG Anordnung zum Befestigen einer Klemme für eine elektrische Maschine an einer Leiterplatte für die Leistungselektronik
CN106817853A (zh) * 2015-11-30 2017-06-09 鸿富锦精密电子(郑州)有限公司 夹具
FR3070998A1 (fr) * 2017-09-08 2019-03-15 Cogelec Porte d'acces a un batiment

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DE1137263B (de) * 1960-04-21 1962-09-27 Hirschmann Radiotechnik Anschlusselement fuer Kabel mit schlauchfoermiger leitender Ader aus elastischem Material, insbesondere fuer Kraftfahrzeugzuendanlagen
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US4802860A (en) * 1987-03-04 1989-02-07 Hirose Electric Co., Ltd. Surface mount type electrical connector
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DE4039625A1 (de) * 1990-12-12 1992-06-17 Vdo Schindling Kontakthuelse fuer ein messwerk

Also Published As

Publication number Publication date
DE4240452A1 (de) 1994-06-09
US5697796A (en) 1997-12-16
DE59300160D1 (de) 1995-06-01
EP0600153A1 (fr) 1994-06-08

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