EP0388489B1 - Connecteur électrique - Google Patents

Connecteur électrique Download PDF

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Publication number
EP0388489B1
EP0388489B1 EP89105045A EP89105045A EP0388489B1 EP 0388489 B1 EP0388489 B1 EP 0388489B1 EP 89105045 A EP89105045 A EP 89105045A EP 89105045 A EP89105045 A EP 89105045A EP 0388489 B1 EP0388489 B1 EP 0388489B1
Authority
EP
European Patent Office
Prior art keywords
connector
latching
insert
retaining ring
longitudinal
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
EP89105045A
Other languages
German (de)
English (en)
Other versions
EP0388489A1 (fr
Inventor
Werner Biermann
Wolfgang Haller
Manfred Illg
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.)
ITT Cannon GmbH
Original Assignee
Cannon Electric 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 Cannon Electric GmbH filed Critical Cannon Electric GmbH
Priority to EP89105045A priority Critical patent/EP0388489B1/fr
Priority to DE8989105045T priority patent/DE58904805D1/de
Publication of EP0388489A1 publication Critical patent/EP0388489A1/fr
Application granted granted Critical
Publication of EP0388489B1 publication Critical patent/EP0388489B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • 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
    • 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
    • H01R13/4364—Insertion of locking piece from the front
    • H01R13/4365—Insertion of locking piece from the front comprising a temporary and a final locking position
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/625—Casing or ring with bayonet engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections

Definitions

  • the present invention relates to an electrical connector according to the preamble of claim 1.
  • Such an electrical connector has become known from DE-A-35 27 916, in which the contacts are held in the insulating molded body in a manner not described in detail.
  • Connectors of this type are used, for example, in automotive wiring harnesses. Since electronic components are being used to an increasing extent in automotive engineering, the connectors used are very high Requirements that are no longer met by conventional types.
  • WO-A-8605630 discloses a connector in which the contacts are latched in axial bores, a locking shoulder of a contact being overlapped by a locking bead in the bore when a ring is rotated.
  • the locking ring can only be rotated when all contact elements are correctly mounted and on the other hand that the contacts are locked in their position, so that reliable contact is ensured since they cannot escape when inserted into one another. It is also achieved that the housing and insert can only be assembled with one another to form a finished connector part if the locking ring could be rotated in the installation position. Furthermore, large contact holding forces can be achieved without this having an adverse effect on handling.
  • a preferred design for the mounting and fixing of the contact elements within the receiving bores of the molded body by the locking ring results from the features of claim 8. This is particularly simple to manufacture, although it is also possible to increase the diameter of the longitudinal bores in the locking ring do.
  • a secure positioning of the contact elements during insertion into the molding material body results from the features of claim 9.
  • the connector 10 shown in the drawing in accordance with a preferred exemplary embodiment of the present invention has a first connector part 11 as a socket and a second connector part 12 as a plug, which fit into one another in the correctly assembled state and in the assembled state by means of a bayonet lock connection 13, 14 can be contracted and locked.
  • Both the socket 11 and the plug 12 have an essentially cylindrical insert 21 or 22, of which the insert 21 of the socket 11 is fixed in a substantially cylindrical housing 16 and the insert 22 of the plug 12 is rotatably held in a bayonet nut 17 .
  • Both inserts 21, 22 are inserted from the end side 18 or 19 facing away from the plug-in side, from which a plurality of individual connecting wires or a cable 23 or 24 are or are led out.
  • the individual electrical wires 23 are firmly connected in the socket 11 with contact elements designed as plug pins 27 and in the plug with contact elements designed as plug sockets 28, crimped onto them in the exemplary embodiment shown.
  • the insert 21 of the Socket 11 has a substantially cylindrical molded material body 31, which on its front plate-shaped region 33 has a plurality of through bores 34 arranged over its base area, which serve to receive the contact pins 27.
  • the molding body 31 also has a hollow cylindrical region 36 which is in one piece with the plate 33, is relatively thin-walled and has the same outer diameter as the plate 33.
  • a locking ring 38 is rotatably mounted in the coaxial cylindrical recess 37 of the molding 31 formed in this way.
  • the locking ring 38 coaxial with the molding body 31 has a rear ring part 41, which is completely accommodated in the hollow cylindrical region 36 and rests with its end face 42 on the plate 33 of the molding body 31, and a coaxial locking projection 43 projecting in one piece from the ring part 41, which has a bore 44 penetrates in the plate 33 and extends beyond the front end.
  • the contact pins 27 have, in an area between their rear end crimped with the connecting wire 26 and their pin end 47 protruding from the plate 33, two spaced latching beads 48, 49, between which a resilient latching hook 51 engages in the state inserted into the molded body 31 is provided on a circumferential area of each receiving bore 34 in the plate 33 of the molded body 31.
  • the ring part 41 of the locking ring 38 likewise has a multiplicity of continuous longitudinal bores 53 arranged distributed over the ring, which are aligned with the receiving bores 34 in the molding body 31 and which are widened in a circular arc in accordance with an elongated hole.
  • this extension 54 which is circular-arc-shaped around the axis of rotation 52 of the securing ring 38, parallel locking shoulders 56 are provided in the end region facing the receiving bores 34, which narrow this extension 54. If the longitudinal bores 53 are aligned with the receiving bores 34 according to FIG. 2, the contact pins 27 can be inserted into the insert 21.
  • the locking ring 38 can be rotated according to arrow A from the position shown in FIG. 2 to the position shown in FIG. 4, so that, according to FIG. 5, the locking shoulders 56 on the edge region of the upper locking bead 48 rest and hold the contact pins 27 in addition to the locking hook 51.
  • the locking ring 38 is axially secured within the molding 31 by a radial tongue and groove connection 57.
  • the housing 16 of the socket 11 has a rear receptacle part 66 for the insert 21, which is provided with a union nut 64 for stationary holding and with the guide bar 63, as well as an axially substantially shorter front receptacle part 67 for the plug end of the plug pin ends and also containing the guide bar 63 Plug 12 and an intermediate wall 68 between these two receiving parts 66 and 67.
  • the intermediate wall 68 is provided with a plurality of bores 69 for the passage of the contact pins 27.
  • the intermediate wall 68 in the region of the axis 52 of the housing 16 has an axial projection 71 which is approximately rectangular in cross section, and on its two sides there are slots 72 which are penetrated by two parallel spring-loaded latching tabs 73, 74, which engage the above-mentioned latching projection 43 of the securing ring 38 form.
  • the locking tabs 73, 74 are also approximately rectangular in cross-section and are included provided against each other lugs 76 which, when the insert 21 is locked in the housing 16, engage behind the end face 76 of the axial projection 71 of the housing 16. This latching lock between insert 21 and housing 16 is also only possible if the locking ring 38 is rotated relative to the molding body 31 into its installation position.
  • the other connector part which is designed as a plug 12 according to FIGS. 1 and 6, is constructed in the same way in principle and is provided with corresponding latches and locks of the individual components.
  • the insert 22 of the plug 12 also has a molded body 32 with corresponding receiving bores 34 ', in which, however, 27 contact sockets 28 are received instead of the contact pins and are held with the aid of latching hooks 51'.
  • a locking ring 39 is also rotatable but axially fixed (connection 57 '), which is designed in accordance with the locking ring 38 and with the help of the contact sockets 28, which also have the locking pins 48' and 49 'like the contact pins 27, securing or ensures that all contact sockets 28 are held correctly in the molding body 32.
  • the locking ring 39 differs from the locking ring 38 in that it has a corresponding locking receptacle 81 instead of the locking projection 43.
  • This fuse holder 81 is used for the positive reception of the locking projection 43 of the locking ring 38 of the socket 11, the Securing receptacle 81 has essentially the same contour as the locking tabs 73 and 74 have in their relaxed position.
  • the latching tabs 73, 74 of the socket 11 can only be received in the fuse holder 81 of the plug 12 if they engage in a correct manner in a latching manner around the axial projection 71 of the housing 16.
  • the hollow cylindrical region 36 'of the insert 22 has an axial groove 61' for receiving the axial guide bar 63 of the housing 16 when the two connector parts 11 and 12 are inserted into one another. With this groove 61 ', a groove, not shown, in the locking ring 39 can be brought into alignment , so that the holder 81 is also correctly positioned.
  • Interlocking tabs 73, 74 and securing receptacle 81 are therefore only possible if the securing rings 38, 39 of the insert 21 or 22 of both connector parts 11 and 12 are rotated into their installation position, since then guide bar 63 on the housing 16 and guide point 61 'Fit into each other at the insert 22.
  • the hollow cylindrical region 36 ' in which the locking ring 39 is rotatably held, is on the outer circumference with a rear circumferential groove 82 into which the front end of a rubber grommet 83 shown in FIG. 1 can be inserted , and provided with a front circumferential groove 84.
  • the two grooves 82 and 84 are on mutually facing areas by a Triangular section 85 separated in section and have at their opposite ends in the usual way a radial shoulder 86 or 87.
  • the insert 22 is held in the bayonet nut 17 in the axial direction but rotatable in the circumferential direction.
  • the bayonet nut 17 has a plurality of latching tongues 88 arranged on the inside circumference, between which a latching tongue 89 is arranged at, for example, three locations on the inside circumference.
  • the radially resilient and axially directed latching tongues 88 and 89 are of equal width and each have radial latching hooks 90 and 91, respectively, which are provided with an insertion bevel 92 on their front end area, via which and a corresponding insertion bevel 97 on the insert 22, the latching tongues 88 , 89 are pushed apart when snapping in or snapping on.
  • the latching hooks 91 of the three latching tongues 89 are provided with a radial shoulder 93, while the latching hooks 90 of all other latching tongues 88 are provided with a latching bevel 94.
  • the radial shoulder 87 of the front groove 84 is provided here with, for example, three locations distributed uniformly over the circumference, with a snap-out bevel 98, which cooperate with the radial shoulders 93 of the three latching hooks 91 in a certain displacement position.
  • This position of insert 22 and bayonet nut 17 can be set using markings (not shown), so that insert 22 can be disengaged from bayonet nut 17 in this position, since radial shoulders and disengagement slopes interact on all locking tongues 88, 89.
  • a coupling connection between the bayonet nut 17, which is provided with three bayonet pins 95 arranged evenly distributed on the inner circumference, and the bayonet element 14 on the housing 16, which is formed by three threaded parts 96 evenly distributed over the circumference is not possible since when the bayonet pins 95 and the thread parts 96 face each other for insertion, the securing receptacle 81 is rotated with respect to the latching projection 43.
  • the bayonet lock connection 13, 14 can be due to the high force transmission when the radial shoulders 93 and 87 are in contact with one another getting produced.
  • the latching projection 43 with the latching tabs 73, 74 and the securing receptacle 81 are interchanged, i.e. the fuse holder 81 is provided on the socket 11 and the locking projection 43 on the plug 12 or on its inserts 22, 21.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (12)

  1. Connecteur électrique comportant deux éléments de connecteur (11,12) qui possèdent chacun un insert (21,22) maintenu dans une enveloppe (16,17) et qui comporte un corps moulé isolé (31,32) qui comprend des trous axiaux (34,34') destinés à recevoir des éléments de contact (27,28), un anneau de sécurité (38,39) de préférence coaxial étant maintenu à rotation dans une cavité axiale (37) du corps moulé cylindrique (31,32) et présentant des évidements longitudinaux (53) qui affleurent avec les trous de réception axiaux (34) disposés dans le corps moulé (31,32), chaque évidement longitudinal (53) étant muni d'un épaulement d'arrêt (56) qui, lors de la rotation de l'anneau de sécurité (38,39), s'accroche au moins partiellement, en position de montage, dans un renflement d'arrêt (48) disposé sur l'élément de contact correspondant (27,28), caractérisé en ce que, à la périphérie extérieure des corps moulés (31,32) et de l'anneau de sécurité (38,39), à chaque fois, on prévoit au moins une encoche latérale (61,62) de telle manière que les deux encoches latérales (61,62) se trouvent de niveau l'une par rapport à l'autre dans l'anneau de sécurité (38,39) tourné en position de montage.
  2. Connecteur selon la revendication 1, caractérisé en ce que l'insert (21) est maintenu dans un boîtier (16) qui est muni d'une barrette axiale intérieure (63) qui s'accroche dans les deux encoches latérales (61,62) qui sont de niveau l'une par rapport à l'autre.
  3. Connecteur selon la revendication 1, caractérisé en ce que l'insert (22) est maintenu à rotation dans un écrou (17).
  4. Connecteur selon la revendication 1 ou 2, caractérisé en ce que l'insert (21) est muni de pattes d'arrêt (73,74) qui peuvent être verrouillées axialement avec une saillie (71) se trouvant sur le boîtier (16).
  5. Connecteur selon les revendications 1 et 4, caractérisé en ce que les pattes d'arrêt (73,74) sont prévues sur l'anneau de sécurité (38) mobile en rotation de l'insert (21) de l'un des éléments de connecteur (11), font saillie axialement et s'accrochent dans un logement d'arrêt (81) se trouvant dans l'anneau de sécurité (39) de l'autre élément de connecteur (12), les pattes d'arrêt (73,74) et le logement d'arrêt (81) présentant des contours qui, dans la position relâchée des pattes d'arrêt (73,74) et la position de montage avec rotation des deux anneaux de sécurité (38,39) s'accrochent l'une dans l'autre par verrouillage de forme.
  6. Connecteur selon la revendication 5, caractérisé en ce que les pattes d'arrêt (73,74) et le logement d'arrêt (81) sont disposés dans l'axe de rotation de l'anneau de sécurité (38,39).
  7. Connecteur selon au moins une des revendications précédentes, caractérisé en ce que l'encoche latérale (61') de l'insert (22) de l'autre élément de connecteur (12) fait face à la barrette axiale (63) se trouvant sur le boîtier (16) de l'un des éléments de connecteur (11) en vue de l'enfichage mutuel des deux éléments de connecteur (11,12) et en ce que le logement d'arrêt de l'anneau de sécurité (39) par rapport à l'encoche longitudinale (61') et du corps moulé (32) est disposé de telle manière qu'il peut recevoir les pattes d'arrêt (73,74) de l'insert (21) de l'un des éléments de connecteur (11) seulement lorsque l'encoche latérale (61') se trouve de niveau avec la barrette axiale (63).
  8. Connecteur selon au moins l'une des revendications précédentes, caractérisé en ce que les évidements longitudinaux (53) présentent un élargissement (54) en forme d'arc de cercle dans l'anneau de sécurité (38,39).
  9. Connecteur selon au moins l'une des revendications précédentes, caractérisé en ce que dans le trou de réception (34) du corps moulé (31,32) on prévoit un crochet d'accrochage à ressort (51) qui s'encliquette derrière un épaulement d'accrochage (49) de l'élément de contact (27,28).
  10. Connecteur selon au moins l'une des revendications précédentes, caractérisé en ce que le boîtier (16) d'un des éléments de connecteur (11) comporte des encoches (96) disposées de manière répartie sur la périphérie et en forme de pas de vis et en ce que l'écrou (17) de l'autre élément de connecteur (12) est un écrou à emboîtement à baïonnette comportant des broches (95).
  11. Connecteur selon la revendication 10, caractérisé en ce que l'insert (22) est maintenu axialement mais avec possibilité de rotation dans l'écrou à emboîtement à baïonnette (17) au moyen d'une liaison à accrochage amovible et agissant sur la périphérie.
  12. Connecteur selon la revendication 11, caractérisé en ce que l'insert (22) possède une encoche annulaire (84) sur le côté de sa périphérie et l'écrou à emboîtement à baïonnette (17) possède, du côté de la périphérie, des languettes d'arrêt (88,89) dont les crochets d'accrochage (90,91) sont munis partiellement d'épaulements (93) de maintien radiaux et partiellement de chanfreins de décrochage (94) et en ce que l'encoche annulaire (84) est munie, dans la direction de décrochage, de chanfreins (98) répartis de la même manière sur sa périphérie, la largeur desdits chanfreins correspondant à la largeur des crochets d'accrochage (91) munis d'épaulements radiaux (93).
EP89105045A 1989-03-21 1989-03-21 Connecteur électrique Expired - Lifetime EP0388489B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP89105045A EP0388489B1 (fr) 1989-03-21 1989-03-21 Connecteur électrique
DE8989105045T DE58904805D1 (de) 1989-03-21 1989-03-21 Elektrischer steckverbinder.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89105045A EP0388489B1 (fr) 1989-03-21 1989-03-21 Connecteur électrique

Publications (2)

Publication Number Publication Date
EP0388489A1 EP0388489A1 (fr) 1990-09-26
EP0388489B1 true EP0388489B1 (fr) 1993-06-23

Family

ID=8201120

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89105045A Expired - Lifetime EP0388489B1 (fr) 1989-03-21 1989-03-21 Connecteur électrique

Country Status (2)

Country Link
EP (1) EP0388489B1 (fr)
DE (1) DE58904805D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05266941A (ja) * 1992-03-19 1993-10-15 Amp Japan Ltd 防水コネクタ
FR2726402B1 (fr) * 1994-10-27 1996-12-06 Cinch Connecteurs Sa Perfectionnements aux connecteurs electriques
FR2726403B1 (fr) * 1994-10-28 1996-11-29 Cinch Connecteurs Sa Connecteur electrique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3008116A (en) * 1959-04-27 1961-11-07 Cannon Electric Co Moisture-proof quick-disconnect device
US3602875A (en) * 1969-07-18 1971-08-31 Texas Instruments Inc Connector for use between integrated circuit units and circuit boards
DE2454369C3 (de) * 1974-11-15 1979-06-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen Steckvorrichtung
US4191443A (en) * 1977-07-28 1980-03-04 Slater Electric Inc. Electrical connector means
DE8508465U1 (de) * 1985-03-21 1986-01-09 Amp Deutschland Gmbh, 6070 Langen Verbinder mit einem drehbaren Einsatz zum Festhalten von Anschlüssen

Also Published As

Publication number Publication date
DE58904805D1 (de) 1993-07-29
EP0388489A1 (fr) 1990-09-26

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