EP0237383A2 - Elektrischer Steckverbinder - Google Patents

Elektrischer Steckverbinder Download PDF

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Publication number
EP0237383A2
EP0237383A2 EP87400279A EP87400279A EP0237383A2 EP 0237383 A2 EP0237383 A2 EP 0237383A2 EP 87400279 A EP87400279 A EP 87400279A EP 87400279 A EP87400279 A EP 87400279A EP 0237383 A2 EP0237383 A2 EP 0237383A2
Authority
EP
European Patent Office
Prior art keywords
main body
orientation
connector
housing
axial
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.)
Withdrawn
Application number
EP87400279A
Other languages
English (en)
French (fr)
Other versions
EP0237383A3 (de
Inventor
Hervé Bricaud
Michel Combes
Patrick L'hennaf
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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries Inc
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 claimed from FR8601618A external-priority patent/FR2593970B1/fr
Priority claimed from FR8614426A external-priority patent/FR2605462B2/fr
Application filed by Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of EP0237383A2 publication Critical patent/EP0237383A2/de
Publication of EP0237383A3 publication Critical patent/EP0237383A3/de
Withdrawn legal-status Critical Current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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure

Definitions

  • the object of the present invention is to propose an electrical connector allowing the telescopic assembly of the two housings without particular manual intervention and this taking into account the manufacturing and mounting tolerances of the various components.
  • the holding means comprise a retaining ring, fixed to the rear part of the main body of the second connector housing, which has an axial deflection tab which extends forward and which penetrates inside a housing, formed in the rear face of said mounting sleeve, against the edges of which it is capable of abutting to limit said angular displacements.
  • the front face of the retaining ring bears on a portion of the rear face of the mounting sleeve to limit the axial displacements towards the front of the main body of the second housing relative to the mounting sleeve.
  • an electrical connector consists of two connector housings 10 and 12. .
  • the first connector housing 10 is fixed to a wall 14 of a first assembly and the second connector housing 12 is fixed to a parallel wall of a second assembly.
  • the two assemblies (not shown in their entirety) for which it is desired to provide the electrical connection can only move axially relative to each other, that is to say in a direction parallel to the longitudinal axis of the connector and therefore perpendicular to the walls 14 and 16.
  • These two assemblies are for example constituted by the two parts of a drawer-cabinet assembly in which one of the two parts is laterally guided in the other part.
  • the first connector housing 10 is here constituted by a male socket comprising a main body 18 inside which are arranged a plurality of male electrical contacts 20 mounted in an insulating body 22. Each male electrical contact ends in a rear end 24 designed to be connected to a conductive wire whose electrical connection is desired.
  • the main body 18 of the first connector housing 10 is externally threaded so as to allow it to be fixed to the wall 14.
  • the main body 18 is mounted in a hole 26 in the wall on which it is supported by a radial support flange 25.
  • the main body 18 is fixed using a nut 28 which cooperates with the external thread 30 to tighten the wall 14.
  • the body 18 is angularly indexed and immobilized in rotation by a flat (not shown) formed on the external cylindrical wall of the body 18, which cooperates with a corresponding flat part of the hole 26.
  • a flat not shown
  • the main body 18 is extended forward (to the left when considering the figures) by an orientation ferrule 30 projecting from the main body 18.
  • the angular orientation ferrule 30 is provided at its periphery with three fixed angular orientation pins 32 distributed at 120 ° from one another and disposed near the free end edge 34 of the orientation ferrule.
  • Axial indexing grooves 36 are formed on the internal wall 38 of the main body 18.
  • the main body 18 also includes a flexible seal 40 located at the bottom of the cavity defined by the internal wall 38 of the orientation ferrule 30.
  • the second connector housing 12 is constituted by a female plug comprising a hollow cylindrical main body 42 inside which are arranged a plurality of female electrical contacts 44, mounted in an insulating body 46, into which the male electrical contacts 20 penetrate.
  • the two connector housings 10 and 12 are fitted one into the other in the position shown in FIG. 2.
  • Each female electrical contact 44 terminates in a rear end 48 intended to be connected to a conductive wire.
  • the main body 42 is provided with an angular orientation sleeve 50.
  • the angular orientation sleeve 50 is force-fitted on the main body, or is fixed to it by any other means, so that the two assembled components form only a single functional part.
  • the axial position of the sleeve 50 relative to the main body 42 is defined by its internal radial flange 52 which is in abutment against the left lateral face 54 of the external radial shoulder 56 of the main body 42. During its assembly, the sleeve 50 is also angularly indexed relative to the main body 42.
  • the orientation sleeve 50 is provided with three axial angular orientation slots 58 distributed at 120 °.
  • the slots 58 are shown to open out, but could be made blind to stiffen the sleeve 50.
  • the upper half view in axial section and the external lower half view are angularly offset so that the cutting plane passes through one of the axial slots 58 and so as to allow a partial representation in top view of 'another orientation slot - 58.
  • the angular orientation pins 32 penetrate into the axial orientation slots 58 during the telescopic coupling of the two electrical connector housings as will be explained below.
  • each orientation slot 58 comprises a flared orientation profile 60 acting as a cam profile to cause rotation of the main body 42 of the second connector housing until the facing pin 32 is in alignment with the groove 58 and can there enter.
  • the main body 42 of the second connector housing 12 is provided with a cylindrical extension 62 projecting forward (to the right when considering the figures) inside the orientation sheath 50 and coaxially with the latter. Near its front end edge 64, the cylindrical extension 62 is provided at its periphery with indexing keys 66.
  • the indexing keys 66 have a profile and a distribution corresponding to those of the indexing grooves 36 of the orientation ferrule 30. The keys 66 cooperate with the grooves 36 during the coupling of the two connector housings so as to allow the telescopic fitting of the latter only in a determined relative angular position and thus guarantee the axial alignment of the corresponding male and female electrical contacts.
  • the cylindrical extension 62 is provided at its periphery with a metallic elastic ring 68 axially immobilized in a groove 70 which ensures electrical ground continuity between the two main bodies 18 and 42 when the two housings are coupled.
  • the main body 42 of the second connector housing is mounted on the wall 16 using a mounting sleeve. 76 with respect to which the main body 42 can move axially, transversely (that is to say parallel to the plane of the wall 16) and angularly.
  • the mounting sleeve 76 is externally threaded in order to allow it to be fixed to the wall 16.
  • the sleeve is essentially constituted by a support flange 74 which bears on one face of the wall 16 and which is extended by a hollow cylindrical sleeve 72 which penetrates into a hole 78 in the wall 16 and at the periphery of which the thread 80 is formed, allowing fixing by means of a notched tightening nut 82.
  • the mounting bush 76 is also angularly indexed and immobilized in rotation by a flat (not shown), formed on the external cylindrical wall of the sleeve 76, which cooperates with a corresponding flat of the hole 78.
  • the hollow cylindrical sleeve 76 has an internal radial shoulder 84 whose internal diameter D 1 is greater than the external diameter D 2 of the portion facing the main body 42 of the second connector housing 12.
  • the main body 42 can thus slide axially in the internal bore of diameter D 1 and this with a radial clearance D 1 D 2 which also allows transverse displacements of the main body 2 42 relative to the bush 76 in order to make up for faults d alignment of the two connector housings 10 and 12 during their telescopic coupling.
  • the electrical connector comprises a deformable conductive metallic element 86 disposed between the internal wall of the socket 76 and the external wall of the main body 42 of the second connector housing between which it provides electrical ground continuity while allowing all the relative movements of these two components. In the non-coupled position, the element 86 also provides a transverse recentering function for the main body 42 in the socket 76.
  • the electrical connector also comprises means for holding the main body 42 of the second housing 12 in the mounting bush 76 which have the purpose of limiting the relative axial and angular displacements of these two components.
  • the holding means are constituted by a retaining and deflection ring 88.
  • FIG. 1 the exact drawing of this part being that shown in FIGS. 3 and 4.
  • FIG. 1 the rear part of the mounting sleeve 76 is shown cut by a plane passing through line 1-1 in FIG. 4.
  • the retaining ring 88 is fixed to the rear part of the main body 42 in a groove 90 of the latter in which it is held by an elastic ring, or circlips 92.
  • the retaining and deflection ring 88 is angularly indexed and immobilized in rotation relative to the main body 42.
  • the ring 88 has a radial indexing tab 94 which cooperates with a corresponding axial groove 96 formed in the main body. 42.
  • the retaining and deflection ring 88 has four folded axial legs of angular deflection 98 distributed at 90 °.
  • Each of the axial tabs 98 extends forward (towards the right when considering the figures) and enters a housing 100 formed in the internal rear face 102 of the mounting bush 76.
  • the bush comprises for this purpose four housings 100 distribute at 90 °.
  • the dimensioning of the housing 100 and in particular the distance separating the edges 104 and 106 is a function of the maximum permissible angular offset between the two connector housings, offset due to manufacturing and mounting tolerances, which it is desired to automatically compensate for during the telescopic coupling.
  • This deflection angle also corresponds to the opening angle of the flared entry profile 60 of the orientation grooves 58.
  • each housing is dimensioned so as to allow the transverse deflections of the main body 42 relative to the bush 76 allowed by the radial clearance 1 2.
  • the main body 42 and therefore the connector housing 12 can also move axially relative to the mounting socket 72.
  • the axial displacements towards the front of the main body 42 are limited by the front lateral face 110 of the retaining ring 88 which bears on a portion of the internal rear face 102 of the sleeve 76.
  • the front face 110 of the retaining ring 88 is urged to bear on the rear face 102 by a prestressed axial return spring 112 disposed between the bush 76 and the main body 42.
  • the spring 112 is an elastic wavy washer mounted in a groove 114 of the main body 42 which bears on the front lateral face 116 of the socket 72.
  • the spring 112 could also, in a variant, be arranged between the ring 76 and the main body 42 and bear to the right on the lateral face 51 of the sleeve 50.
  • the tightness of the entire electrical connector is completed on the one hand by three O-rings, not shown, arranged in circular grooves 118, 120 and 122 formed respectively in the flanges 74, 52 and 25.
  • the seal is further ensured by an elastic seal of tubular shape 124.
  • the seal 124 is mounted by elastic deformation on the sleeve 76 and on the orientation sleeve 50.
  • the seal 124 is sufficiently flexible to allow all the relative displacements between the main body 42 and the sleeve 72 while ensuring the seal between these components.
  • the sleeve has a profile comprising two cones facilitating the mounting of the seal. Glue mounting is also possible.
  • the seal 124 also participates in the refocusing of the main body 42.
  • the telescopic coupling of the "blind" electrical connector was thus carried out, that is to say without any specific manual intervention of alignment and / or orientation.
  • the connector which has just been described makes it possible to use standard parts of connectors known from the prior art, for example, the first connector housing 10 or the main body 42, on which slight modifications can be made by simple machining resumptions.
  • the dimensions are also kept which allows its installation in place of conventional connectors with manual action mounting. Only the fitting of the socket requires a larger opening in the corresponding wall.
  • the fixing means described, constituted by the nuts 28 and 82, are not limiting and can be replaced by any known means such as, for example, fixing screws on the walls 14 and 16.
  • the sleeve 50 could also slide axially on the main body 42 in order to allow a transverse recentering well before the pins 32 enter the slots 58 without increasing its total length.
  • the connector comprises an axial return spring disposed between the main body of the second boot and the mounting sleeve so as to urge the front face of said retaining ring to bear on the rear face of the mounting sleeve.
  • the invention proposes a second embodiment of the invention characterized in that the holding means comprise a retaining ring, slidingly mounted on the rear part of the main body of the second connector housing, which has an axial deflection leg which extends rearward and which penetrates inside a housing, formed vis-à-vis in a wall of said mounting sleeve.
  • said retaining ring has two parallel radial guide faces which cooperate with the two corresponding faces of said wall to allow the main body of the second connector housing to slide radially relative to the socket, parallel to a plane perpendicular to the axis of the latter.
  • FIG. 6 shows an electrical connector made up of two connector housings 10 and 12.
  • the main body 18 of the first connector box 10 is externally threaded so as to allow it to be fixed to the wall 14.
  • the main body 18 is mounted in a hole 26 in the wall on which it is supported by a radial support flange 25.
  • the main body 18 is fixed here using a nut 28 which cooperates with the external thread 29 to tighten the wall 14.
  • the body 18 is angularly indexed and immobilized in rotation by a pin (not shown), fixed the cylindrical body 18, which cooperates with a corresponding notch in the wall.
  • the orientation sleeve 50 is provided with three axial angular orientation slots 58 distributed at 120 °.
  • the mounting bush 76 is also angularly indexed and immobilized in rotation by a pin (not shown), fixed on the wall 16, which cooperates with a notch 77 formed in the bush 76 ( Figure 12).
  • means 88 for holding the main body of the second boot 12 in the sleeve 76 are provided to limit the axial and angular movements thereof while also avoiding the tilting phenomenon mentioned above.
  • the holding means are essentially constituted by a retaining ring 200 which is slidably mounted on the rear part of the main body 42 of the second case 12 which extends to the left from the radial shoulder 56.
  • the movement sliding to the left of the ring 200 on the main body 42 is limited by an elastic ring 202, or circlips, which is mounted in a groove 204 in the main body 42.
  • the retaining and deflection ring 200 is angularly indexed relative to the assembly constituted by the orientation sleeve 50 and the main body on which it is force-fitted after having been angularly indexed beforehand.
  • the sleeve 50 has four pins 206, angularly distributed at 90 °, which extend axially to the left from the internal radial flange 52.
  • the pins 206 cooperate with four corresponding notches 20B formed vis-à-vis in the cylindrical portion 210 of the ring facing the sheath 50 (to the right when considering the figures).
  • the depth of the notches 208 and the axial length of the tenons 206 are determined so that they are always "engaged” regardless of the relative axial position of the ring 200 nar relative to the main body 42.
  • the ring 200 has four folded axial legs of angular movement 212 angularly distributed at 9 0 0 .
  • Each of the legs 212 extends axially towards the rear of the main body (to the left when considering the figures).
  • Each of the axial tabs 212 enters a housing 214 formed vis-a-vis in a wall 216 of the mounting sleeve which extends radially inwards from the cylindrical wall of its stepped internal bore 218.
  • the sleeve 76 comprises four dwellings 214 distributed at 90 °.
  • the ring 200 can thus occupy various angular positions relative to the sleeve 76.
  • the relative limit angular positions in one or the other direction of rotation are determined by the lateral edges 220 and 222 of each of the housings 214, against which the corresponding tab 212 is likely to come into abutment.
  • the dimensioning of the housing 214 and in particular the distance separating the edges 220 is a function of the maximum permissible angular offset between the two connector shells, offset due to manufacturing and mounting tolerances, which it is desired to automatically catch up during the telescopic coupling .
  • This deflection angle also corresponds to the opening angle of the flared entry profile 60 of the orientation grooves 58.
  • the ring 2 00 has two parallel radial guide faces 224 and 226 which cooperate with the two corresponding lateral faces 228 and 230 of the internal radial wall 216 of the bush 76.
  • the first radial guide face 224 is constituted by a radial shoulder, extending outwards from the cylindrical annular portion 232 of the ring 200, and at the periphery of which the folded legs 212 are arranged.
  • the second radial guide face 226 is constituted by an elastic ring, or circlips, which is mounted by elastic deformation on the external cylindrical wall 234 of the ring 200, and which is held axially to the right by a second radial shoulder 236 of the ring 200.
  • the ring 200 has in section substantially the shape of a U, the two parallel branches 224 and 226 of which enclose, with very little axial play "j., The internal radial guide wall 216 of the sleeve 76.
  • the seal is further ensured by an elastic seal of tubular shape 124.
  • the seal 124 is mounted by elastic deformation on the sleeve 76 and on the orientation sleeve 50.
  • the seal 124 is sufficiently flexible to allow all the relative displacements between the main body 42 and the sleeve 76 while ensuring the seal between these components.
  • the sleeve has a profile comprising two cones facilitating the mounting of the seal. Bonding is also possible.
  • the seal 124 also participates in the angular and radial recentering of the main body 42 before the two shoemakers are coupled.
  • the seal is completed by a dust cover 240 which is fixed at its periphery in a groove 242 of the mounting sleeve 76.
  • the internal edge 244 of the dust cover 240 is slidably mounted on the cylindrical wall external of the main body 42.
  • attaching it there, for example by gluing so that this dust cover 240 participates, like the tubular joint 124, in the prior refocusing effect of the main body 42 in the mounting sleeve 76.
  • the internal diameter D1 of the sleeve 76 is greater than the external diameter D2 of the portion facing the ring 200.
  • the main body 42 can thus move transversely, that is to say in a radial plane, with a radial clearance equal to (D1-D2) / 2 in order to compensate for the misalignments of the two connector shells during their telescopic coupling.
  • the connector which has just been described allows, by way of example, to catch an angular offset of + or - 6 °, and this with a maximum transverse offset of + or - 1 mm on the radius.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP87400279A 1986-02-06 1987-02-06 Elektrischer Steckverbinder Withdrawn EP0237383A3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8601618 1986-02-06
FR8601618A FR2593970B1 (fr) 1986-02-06 1986-02-06 Connecteur electrique
FR8614426 1986-10-17
FR8614426A FR2605462B2 (fr) 1986-10-17 1986-10-17 Connecteur electrique

Publications (2)

Publication Number Publication Date
EP0237383A2 true EP0237383A2 (de) 1987-09-16
EP0237383A3 EP0237383A3 (de) 1987-11-25

Family

ID=26225010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87400279A Withdrawn EP0237383A3 (de) 1986-02-06 1987-02-06 Elektrischer Steckverbinder

Country Status (1)

Country Link
EP (1) EP0237383A3 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328553A1 (de) * 1987-06-15 1989-08-23 Bell Helicopter Textron Inc. Sich selbst ausrichtendes elektrisches verbindungsstück
EP1727245A2 (de) * 2005-05-27 2006-11-29 Amphenol-Air Lb Abgeschirmter Verbinder für elektrische Leiter
US7326090B2 (en) 2005-06-10 2008-02-05 Amphenol-Air Lb Fixing device for two-part connector and corresponding two-part connector
EP2112722A1 (de) * 2008-04-24 2009-10-28 Radiall Hybridverbinder mit mehreren Kontakten
CN104037524A (zh) * 2014-07-04 2014-09-10 乐清市长征电器开关厂 防爆插接装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1515362A1 (de) * 1960-07-08 1969-12-11 Amp Inc Elektrische Mehrfachsteckkupplung mit Einfuehrhuelse
US3755771A (en) * 1972-03-01 1973-08-28 Bendix Corp Rack and panel connector assembly
US4076361A (en) * 1975-12-17 1978-02-28 Gulton Industries, Inc. Electrical connector assembly for use with remote manipulator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1515362A1 (de) * 1960-07-08 1969-12-11 Amp Inc Elektrische Mehrfachsteckkupplung mit Einfuehrhuelse
US3755771A (en) * 1972-03-01 1973-08-28 Bendix Corp Rack and panel connector assembly
US4076361A (en) * 1975-12-17 1978-02-28 Gulton Industries, Inc. Electrical connector assembly for use with remote manipulator

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328553A1 (de) * 1987-06-15 1989-08-23 Bell Helicopter Textron Inc. Sich selbst ausrichtendes elektrisches verbindungsstück
EP0328553A4 (de) * 1987-06-15 1989-10-25 Bell Helicopter Textron Inc Sich selbst ausrichtendes elektrisches verbindungsstück.
EP1727245A2 (de) * 2005-05-27 2006-11-29 Amphenol-Air Lb Abgeschirmter Verbinder für elektrische Leiter
FR2886475A1 (fr) * 2005-05-27 2006-12-01 Amphenol Air Lb Soc Par Action Connecteur blinde pour conducteurs electriques.
EP1727245A3 (de) * 2005-05-27 2008-06-04 Amphenol-Air Lb Abgeschirmter Verbinder für elektrische Leiter
US7695321B2 (en) 2005-05-27 2010-04-13 Amphenol-Air Lb Screened connector for electrical conductors
US7326090B2 (en) 2005-06-10 2008-02-05 Amphenol-Air Lb Fixing device for two-part connector and corresponding two-part connector
EP2112722A1 (de) * 2008-04-24 2009-10-28 Radiall Hybridverbinder mit mehreren Kontakten
FR2930686A1 (fr) * 2008-04-24 2009-10-30 Radiall Sa Connecteur multi-contacts hybride
US7942588B2 (en) 2008-04-24 2011-05-17 Radiall Hybrid multi-contact connector
CN104037524A (zh) * 2014-07-04 2014-09-10 乐清市长征电器开关厂 防爆插接装置
CN104037524B (zh) * 2014-07-04 2016-05-11 乐清市长征电器开关厂 防爆插接装置

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