EP0346234B1 - Elektrischer Verbinder mit Verriegelungsmitteln - Google Patents

Elektrischer Verbinder mit Verriegelungsmitteln Download PDF

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Publication number
EP0346234B1
EP0346234B1 EP89401593A EP89401593A EP0346234B1 EP 0346234 B1 EP0346234 B1 EP 0346234B1 EP 89401593 A EP89401593 A EP 89401593A EP 89401593 A EP89401593 A EP 89401593A EP 0346234 B1 EP0346234 B1 EP 0346234B1
Authority
EP
European Patent Office
Prior art keywords
insulating body
sleeve
connector according
contacts
connector
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
EP89401593A
Other languages
English (en)
French (fr)
Other versions
EP0346234A1 (de
Inventor
Henri Le Bris
Marie-Noelle Bonnetier
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.)
FCI France SA
Original Assignee
Souriau et Cie
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 Souriau et Cie filed Critical Souriau et Cie
Priority to AT89401593T priority Critical patent/ATE94312T1/de
Publication of EP0346234A1 publication Critical patent/EP0346234A1/de
Application granted granted Critical
Publication of EP0346234B1 publication Critical patent/EP0346234B1/de
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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/623—Casing or ring with helicoidal groove
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4367—Insertion of locking piece from the rear

Definitions

  • the invention relates to electrical connectors of the type comprising a receptacle and a plug each having an insulating body carrying plug-in contacts and having, one a threaded ring and the other a threaded ring, capable of cooperating to secure the plug and the base in a position where their contacts are mutually coupled.
  • a connector of this type is described in document FR-A-2 127 218.
  • Connectors of the type defined above are widely used in the industry.
  • the connector is subjected to vibrations which risk causing the loosening of the threaded connection: it has already been proposed to combat this risk by providing the ring and the ring with elastic locking means opposing a higher torque when unscrewing than screwing.
  • the solutions produced are complex and relatively expensive.
  • the invention aims to provide an electrical connector of the type defined above which is low cost, does not present a risk of loosening and can nevertheless be produced so as to make it waterproof.
  • the invention proposes in particular a connector of the type defined above, in accordance with the characterizing part of claim 1.
  • each contact is advantageously provided with elastic retaining tabs in the insulation preventing the contact from falling back and which can be erased using a tool inserted from the front of the contact. Advancing each contact beyond a determined position is prohibited by pressing the contact against a shoulder of the hole in the body that receives it.
  • a flexible elastomer grommet can be placed behind the contact and held in abutment against the insulating body by removable means.
  • the grommet When a seal is necessary, the grommet has internal beads supporting the wire connected to the contacts, ensuring the seal along the wire, and an annular seal is housed in a groove of that of the bodies. insulators which is fitted with the ring and receives the ring in axial support; this seal then provides a double sealing and vibration damping function.
  • connectors (US-A-4 235 499) are already known, the components of which one has a pin and the other an axial notch. However, these elements perform an entirely different function from that of the arrangement defined above.
  • the post and the slot simply constitute relative guide members and align the respective contacts of the two connector elements. Locking is ensured by snap-fastening of the pins in local enlargements of the slots.
  • the coupling mode defined in the US patent is contradictory to that of document FR-A-2 127 218.
  • the electrical connector shown in Figure 1 consists of a base 10 and a plug 12. It will be assumed, in the following, that the connector is intended to provide the electrical connections between six pairs of contacts regularly distributed around the axis, but this number and this arrangement are by no means exclusive. It will also be assumed that the contacts of the base are provided to be connected to separate insulated conductors, while the plug is provided to be placed at the end of a cable 14. This application is only a particular example.
  • the base 10 comprises a body 16 of insulating material resistant to the conditions of use, for example plastic material such as polybutylene, loaded with glass fiber when the connector is intended to be used under the engine hood of a motor vehicle .
  • a body 16 of insulating material resistant to the conditions of use for example plastic material such as polybutylene, loaded with glass fiber when the connector is intended to be used under the engine hood of a motor vehicle .
  • the outer surface of the insulating body 16 can be metallized, for example by depositing metal in a cold plasma.
  • the front part of the insulating body 16, which constitutes the essential part of the base, is in the form of a ring 18 provided with a thread with large pitch, allowing rapid coupling.
  • FIG. 3 shows, by way of example, a thread with two identical threads 20 each having an angular development of 240 °, presenting a zone of attack thickened by a heel which reinforces it.
  • the ring 18 carries tenons 22 in number equal to that of the threads (two tenons in the case of Figures 1 to 3). These pins belong to elastic locking means making it possible to block the connector in the fully coupled position, as will be seen below.
  • the insulating body 16 is provided with a flange 24 for fixing to a cabinet wall, pierced with holes 26 ( Figure 2) for receiving screws.
  • the base 10 carries male contacts 28 formed by pins while the plug carries female contacts; although it is generally more advantageous to use this arrangement, it can be reversed. All the contacts can be manufactured by cutting and rolling, for reasons of economy.
  • the male contacts are placed in cylindrical holes in the insulating body 16 and provided with tabs 30 preventing them from moving back, which can be erased using a tubular tool inserted from the front. The forward movement of each contact is limited by the support of lugs which it is provided against a shoulder 32 provided in the hole of the insulating body 16 which receives it.
  • the rear part of each contact constitutes a barrel for connection to an insulated wire (not shown).
  • a rear recess of the insulating body 16 is provided to receive a flexible elastomeric grommet 34, the thread passage holes of which include sealing beads.
  • the grommet 34 is not glued to the insulating body 16 but simply kept applied against it by a rigid washer 36, pressed against the grommet by a threaded connection 38 screwed onto the insulating body 16. This arrangement makes it possible to remove a contact, for example to replace it, without risk of '' damage the wire clamp: once the fitting 38 has been removed, a contact can be pulled back, by sliding the grommet 34 over the other wires at the same time. This avoids the attachment of the grommet by the tabs 30 and its damage.
  • the plug 12 also includes an insulating body 40 made of molded hard insulating material, pierced with holes for receiving the female contacts 42, the mounting method of which is the same as that of the contacts 28 in the insulating body 16.
  • a groove formed in the external surface of the insulating body 40 contains an annular seal 44 against which the end portion of the ring 18 bears.
  • Grooves or grooves can be made in the insulating body 40 to receive corresponding internal grooves or grooves 46 of the ring 18, so as to allow the coupling of the two insulating bodies only in a determined relative orientation.
  • a threaded coupling and locking ring 48 On the plug 12 rotates a threaded coupling and locking ring 48, having a rear internal flange 50 for bearing against a shoulder formed on the insulating body 40.
  • the threads of the internal thread have a shape and a pitch corresponding to those of the ring 18.
  • the front part of the ring 48 in front of the threaded part, has axial notches 52 (two in number in the illustrated case) intended to snap onto the tenons 22 at the end of the screwing of the ring.
  • a slit circumferential 56 having for example a development of 60 °, can be envisaged to separate the front part provided with the notch 52 from the tapped rear part.
  • thinning operations 54 (FIGS. 2 and 4) can be provided on either side of the notch 52.
  • the sockets constituting the female contacts 42 are held in the insulating body 40 like the pins constituting the contacts 28 in the insulating body 16; their connecting wires pass through a grommet 58 and a washer 60. But, so that the cable 14 can be fixed to the plug 12, the washer 60 is not directly retained by a simple connector, as is the case for the washer 36 of the base 10.
  • the washer 60 is retained by a screwed sleeve 62 which comprises a conical end piece 64 on which the end part of the sheath of the cable 14 is blocked by a connector 66.
  • the connector can be used to connect sections of cable to each other as well as to connect a cable to a base fixed to a cabinet wall.
  • the arrangement of the male and female contacts can be reversed, the female contacts then equipping the insulating body which constitutes the threaded ring 18.
  • it is generally preferable to constitute all of the parts with the exception of the contacts, of thermoplastic material or other material of the same type and of manufacturing them by molding, other solutions are possible.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Multi-Conductor Connections (AREA)

Claims (8)

  1. Elektrischer Verbinder, bestehend aus einem Steckanschluß (10) und einem Stecker (12), die jeweils einen Isolierkörper (16, 40) mit Steckkontakten (28, 42) aufweisen und die einen Außengewinde-Innenring (18) bzw. einen Innengewinde-Außenring (48) aufweisen, die zusammenwirken können, um den Stecker und den festen Steckanschluß in einer Stellung miteinander zu verbinden, in der ihre Kontakte miteinander gekoppelt sind,
    dadurch gekennzeichnet, daß an dem Ring (48) wenigstens eine axiale Raste (52) in axialer Richtung vor den Gewinde ausgeführt ist, um am Ende des Aufschraubens wenigstens einen Zapfen (22) aufzunehmen, der in axialer Richtung hinter den Gewindegängen des Rings ausgeführt ist,
    und daß der Außengewinde-Innenring (18) in einem Stück mit dem entsprechenden Isolierkörper (16) ausgeführt ist, während der Ring (48) in axialem Anschlag mit dem entsprechenden Isolierkörper (40) verbunden ist, wobei er es ermöglicht, daß der Ring auf dem Körper dreht.
  2. Verbinder nach Anspruch 1,
    dadurch gekennzeichnet, daß die genannte Raste (52) in einem Winkelbereich des Außenrings, eventuell durch einen Umfangsschlitz (56) axial von dem hinteren Teil des Außenrings getrennt ausgeführt ist.
  3. Verbinder nach Anspruch 1 oder 2,
    dadurch gekennzeichnet, daß die Raste (52) in der Richtung der Umfangslinie von zwei Verjüngungen (54) der Ringwand eingerahmt ist.
  4. Verbinder nach Anspruch 1, 2 oder 3,
    dadurch gekennzeichnet, daß eine ringförmige, elastische Dichtung (44) in einer Rille gelagert ist, die an dem Kontaktkörper (40) ausgeführt ist, der den Außenring (48) an einer Stelle dergestalt trägt, daß der Endabschnitt des Außengewinderings (18) an der Dichtung zur Anlage kommt, wenn der Verbinder gekoppelt ist.
  5. Verbinder nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, daß jeder der Isolierkörper Löcher enthält, die jeweils einen Vorsprung aufweisen, der das Verrutschen eines entsprechenden Kontakts (28, 42) nach vorn begrenzt, und daß jeder Kontakt durch Schneiden und Rollen gebildet wird und mit federnden Klemmen (30) versehen ist, die sein Zurückrutschen in dem Isolierkörper verhindern.
  6. Verbinder nach Anspruch 5,
    dadurch gekennzeichnet, daß der feste Steckanschluß (10) und der Stecker (12) jeweils eine Durchführungstülle (34, 58) aus einem weichelastischen Elastomer enthalten, die mit Anlagewülsten versehene Verbindungsdraht-Durchführungen aufweist, und daß jede Durchführungstülle (34, 58) durch eine starre Scheibe (36, 60) an ihrem Platz gehalten wird, die durch ausbaubare, mit Gewinden versehene Mittel in Anlage an den entsprechenden Isolierkörper gehalten wird.
  7. Verbinder nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, daß sämtliche Teile mit Ausnahme der Kontakte aus geformtem und eventuell mit Glasfaser verstärkten Kunststoff bestehen.
  8. Verbinder nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, daß wenigstens einer der Isolierkörper außen eine Abschirmungs-Metallschicht aufweist.
EP89401593A 1988-06-10 1989-06-08 Elektrischer Verbinder mit Verriegelungsmitteln Expired - Lifetime EP0346234B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89401593T ATE94312T1 (de) 1988-06-10 1989-06-08 Elektrischer verbinder mit verriegelungsmitteln.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8807796 1988-06-10
FR8807796A FR2632783B1 (fr) 1988-06-10 1988-06-10 Connecteur electrique a verrouillage

Publications (2)

Publication Number Publication Date
EP0346234A1 EP0346234A1 (de) 1989-12-13
EP0346234B1 true EP0346234B1 (de) 1993-09-08

Family

ID=9367183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89401593A Expired - Lifetime EP0346234B1 (de) 1988-06-10 1989-06-08 Elektrischer Verbinder mit Verriegelungsmitteln

Country Status (5)

Country Link
EP (1) EP0346234B1 (de)
AT (1) ATE94312T1 (de)
DE (1) DE68908961T2 (de)
ES (1) ES2044166T3 (de)
FR (1) FR2632783B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2667731B1 (fr) * 1990-10-05 1993-03-26 Itt Composants Instr Connecteur electrique blinde, etanche et isole electriquement.
NL9201955A (nl) * 1992-11-09 1994-06-01 Framatome Connectors Belgium Connectorsamenstel.
CN101707312B (zh) * 2009-09-30 2012-01-25 中航光电科技股份有限公司 螺纹连接的连接器
DE102011089548A1 (de) * 2011-12-22 2013-03-07 Conti Temic Microelectronic Gmbh Berührschutzanordnung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2127218A5 (de) * 1971-03-01 1972-10-13 Souriau & Cie
US4235499A (en) * 1978-07-21 1980-11-25 Maschinenfabrik Augsburg-Nurnberg, Aktiengesellschaft Plug connection for contact supports

Also Published As

Publication number Publication date
ATE94312T1 (de) 1993-09-15
ES2044166T3 (es) 1994-01-01
FR2632783A1 (fr) 1989-12-15
FR2632783B1 (fr) 1992-02-28
DE68908961T2 (de) 1994-01-13
DE68908961D1 (de) 1993-10-14
EP0346234A1 (de) 1989-12-13

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