EP0180343A1 - Boîtier modulaire pour contacts électriques - Google Patents

Boîtier modulaire pour contacts électriques Download PDF

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Publication number
EP0180343A1
EP0180343A1 EP85307077A EP85307077A EP0180343A1 EP 0180343 A1 EP0180343 A1 EP 0180343A1 EP 85307077 A EP85307077 A EP 85307077A EP 85307077 A EP85307077 A EP 85307077A EP 0180343 A1 EP0180343 A1 EP 0180343A1
Authority
EP
European Patent Office
Prior art keywords
contact
housing
contacts
groove
module
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.)
Granted
Application number
EP85307077A
Other languages
German (de)
English (en)
Other versions
EP0180343B1 (fr
Inventor
David Donald Morgan
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.)
AB Electronic Components Ltd
Original Assignee
AB Electronic Components Ltd
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 GB848425406A external-priority patent/GB8425406D0/en
Priority claimed from GB858513067A external-priority patent/GB8513067D0/en
Application filed by AB Electronic Components Ltd filed Critical AB Electronic Components Ltd
Publication of EP0180343A1 publication Critical patent/EP0180343A1/fr
Application granted granted Critical
Publication of EP0180343B1 publication Critical patent/EP0180343B1/fr
Expired 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
    • H01R13/46—Bases; Cases
    • H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
    • 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
    • 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
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • 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
    • H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
    • 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
    • H01R13/645—Means for preventing incorrect coupling by exchangeable elements on case or base

Definitions

  • This invention relates to housings for electrical contacts.
  • GB-A-1121742 there is described and illustrated a form of electrical coupler for multi-conducting cables in which the individual contacts are located in contact modules which are built up into an assembly which is then inserted as a whole into a housing. In such an arrangement, it is not possible to remove any one contact module individually from the housing.
  • a contact module comprising a body adapted to be individually slidably received and located in a housing in close lateral proximity to other similar bodies, and at least one contact received or receivable in an individual groove in the body so as to project from the body at one end to make an external connection and having a distal end for co-operation with a further contact, the contact having a configuration co-operable with a corresponding formation in the groove to prevent longitudinal movement of the contact in the groove.
  • the configuration may be an offset received in a corresponding extension of the groove.
  • the configuration may be a slot formed in part of the contact to locate on a corresponding abutment in the groove.
  • the slot may be associated with a resilient tongue adapted to engage the abutment to inhibit lateral movement of the contact.
  • the abutment may be provided with an , undercut which receives and co-operates with the contact in the region of the slot to inhibit lateral movement of the contact.
  • the contact modules will be slid individually and in close contact into a housing, so that movement of the contact out of the grooves will be prevented, either by the housing itself or, in most cases, by the adjacent contact module body.
  • the individual contacts may be accessed, e.g. for changing, if required, without disturbing the adjacent contacts.
  • the bodies shall each have a portion deflectable so as to snap fit into the housing, and also so as to be releasable from the snap fit when required.
  • the distal ends of the contacts should not protrude beyond the ends of their respective grooves.
  • the contacts are hermaphroditic.
  • the contacts may be isolated from each other by a wall which is offset towards one of the contacts.
  • the bodies are made usable with either male or female housings, being inserted one way up in the male housings and the reverse way up in the female housings.
  • one contact of two in the body may be isolated from one adjacent contact by means of a further wall located in a position offset from the median plane of the body.
  • the contacts may be isolated from the contacts of adjacent modules by a laterally offset wall, which avoids the necessity for inverting the modules in male and female housings.
  • the contacts themselves may be formed of two spring leaves diverging away from a zone of resilient contact so that the zone of resilient contact may receive one of the leaves of a similar contact directed towards it.
  • the contacts are thus hermaphroditic.
  • a contact housing including a plurality of modules in accordance with the invention as set forth above, located side by side within the housing.
  • the housings may be made in two co-operating male and female forms, and means may be provided on the co-operating ends of the housings to prevent incorrect matching of two housings.
  • a contact housing has lateral extensions for cooperating with means for attachment of the housing to a mounting panel.
  • the mounting means may comprise a spring clip, engageable by spring clip connection with both the lateral extensions and the panel.
  • the clip may include means for mechanical engagement with the panel to restrain the housing against axial movement which might overstrain the spring clip connection with the panel.
  • a contact connector comprising two co-operating housings according to the invention as set forth above, the housings being in male and female forms.
  • Means may be provided on the cooperating ends of the housing to prevent incorrect matching of two housings.
  • a modular body 1 is shown as having two contact locating grooves 2a and 2b. Each of these grooves is provided with a widened portion or extension 3.
  • the grooves 2a and 2b extend for approximately half the thickness of the body 1, and in the region of the groove 2a there is provided a contact isolation arrangement comprising a transverse wall 4 and a laterally offset wall 5.
  • a slot 6 in the body 1 defines a flexible and resilient finger portion 7 of the body 1, which terminates in a head 8 of the same width as the body and having a pair of ramps or cam surfaces 8a (see also figure 3).
  • a contact 11 is receivable within either groove 2a or 2b, and normally a similar contact would be provided in each of these grooves.
  • the contact 11 is shown as being provided with an offset or joggle 12 which cooperates with the widened portion or extension 3 of the groove to prevent longitudinal movement of the contact within the groove.
  • the contact is shown somewhat truncated, and by reference to figure 4, it can be seen that one end of the contact, i.e. that on the side of the head 8 is crimped to a respective wire 14.
  • the contacts illustrated are of the type known as cantilever beam contacts.
  • a housing is illustrated at 16 and can be seen as having a number of ribs 17 on one internal face thereof to provide guide tracks for receipt of bodies 1 so that each body 1 can be individually slid into position using the guide tracks.
  • Diagrammatically shown above the guide tracks is a further guide 18 for the body, and this is shown as having a surface 19 for co-operation with the ramp 8a whereby the spring finger 7 is deflected on introduction of the body 1 into the housing 16 and snaps back on full engagement so that the head 8 engages behind the surface 19 as indicated in figure 4.
  • Figure 3 illustrates a number of bodies 1 arranged side by side within the housing 16 to prevent movement of the contacts 11 out of their respective grooves. It will also be seen that the walls 4 isolate the two contacts in the same body from each other, whereas the offset walls 5 isolate the contacts from contacts in adjacent bodies 1.
  • male and female housings are provided, and the same form of body 1 may be used in either, provided that the bodies 1 are inserted the opposite way up so that the walls 5 do not interfere with each other, but provide a contact isolating function in relation to the grooves 2b when the two types of housing are brought together.
  • the arrangement is simple to assemble in that the contacts are introduced into their bodies by simple sideways movement and cannot be longitudinally shifted within their grooves 2a or 2b. Once the modules are assembled in the housings, the contacts are incapable of movement in any direction, and the asymmetric arrangement of the walls 4 and 5 enables the same bodies to be used for both male or female contacts in the housings.
  • identification should be included on the housing and on the module or body 1 to assist in correct insertion.
  • FIG. 5 a female housing 21 having a group of modular bodies 22 in position therein. Grooves 21a are shown moulded into the housing 21 to improve grip thereon.
  • Figure 5 also shows one modular body 22 removed from the housing 21. It will be seen that this body has a latching arm 23 which is generally similar to the latching arm 7 described above, although the ramps 23a are rather more gently inclined and longer. Also, the portion 23b between the ramps 23a has square sides to slide between square form barriers within the housing 21. The latching arm 23 cooperates with a matching formation (not shown) within the housing 21.
  • the body 22 has first and second contact-receiving grooves or recesses 24, and these grooves continue into extension recesses 25 bounded by an offset lateral wall 26.
  • the extension recesses 25 and wall 26 are also visible on the bodies shown within the female housing 21.
  • Each groove 24 is provided with an abutment 27 (see also figure 6).
  • the grooves 24 also widen out at the ends opposite the extensions 25 to form extension recesses 28 receiving an enlarged contact end 29 which is crimped over a lead 31.
  • the contact illustrated in figure 5 is formed of two leaves 32 and 33 which have divergent end portions 32a and 33a respectively, and form a zone of contact 35 from where the divergent ends commence.
  • the zone of contact 35 is resilient so that a leaf of a similar contact introduced longitudinally will be received and held in the zone of contact to provide good electrical contact. This is achieved automatically when a male housing 36 (see figure 7) is introduced into and united with the female housing 21.
  • the leaf 33 is provided with a slot or recess 37 which, as shown more particularly in figure 6, cooperates with the abutment 27 to prevent longitudinal movement of the contact in the slot. Further, the lower edge of the slot 37 is provided with a resilient tongue 38 which is somewhat deflected on introduction of the contact into the slot and bites into the lower surface of the abutment 27 to provide a degree of inhibition of removal of the contact in a lateral direction. Accordingly, the contact will not readily fall out of its body.
  • the distal ends of the contact leaves are somewhat offset axially with respect to a median axial plane of the body 22, and the configuration of the wall 26 and extensions 25 is also axially offset, as may best be seen in figure 5 in respect of the bodies visible within the housing 21.
  • Figure 5 also shows that the female housing is provided with lateral extensions 41 having recesses 42 which receive resilient arms 43 (see figure 7) on the male housing 36. These arms 43 are provided with latching lugs 44 having lead-in surfaces 45 to engage and snap over appropriate surfaces (not shown) arranged within each of the recesses 42.
  • the two parts of the housing are thus releasably mated together, and the design is such that when the latching lugs 44 snap into position, the contacts in the various bodies 22 are in firm contact with their opposed contacts.
  • the housing parts 21 and 36 may be readily released for separation by manual pressure on the arms 43. In order to improve manual engagement with the arms 43, they are provided with moulded-in grooves 43a.
  • the male housing 36 is shown in figure 7 as having an enlarged rear end 61, which is of the same overall dimensions as the ⁇ rear of the female housing 21, thereby facilitating the use of a common form of sealing grommet (not shown) for splash-proofing of the housings.
  • Figure 5 further shows a mounting device comprising a base 51 adapted to be attached to a panel or the like.
  • the base 51 is s provided with a pair of resilient arms 52 ending in latching lugs 53 with lead-in surfaces 54 and forming shoulders 55 to provide a snap fit when introduced between the extensions 41 and further extensions 56 located therebehind so as to form a slot 57 of substantially the width of the arms 52, and provided with an abutment or keeper surface which is just visible at 58.
  • FIG. 8 shows part of a somewhat modified form of the female housing 21, in that the lateral extensions 41 are somewhat modified to co-operate with a different form of panel mounting.
  • This figure shows one of a pair of presed metal clips 63.
  • Each clip 63 has an upstanding tongue 64 to enter a recess in the underside of the extension 41 and a turned-over end 65 to clip over an abutment 67 located within the extension 41.
  • the lower end of the clip is formed in a compressible generally V form 69, with a turned in end 71, so as to be received and held in appropriately shaped holes in the panel to which the housing is to be mounted, and a pair of spring arms 68 engage the upper surface of the panel to hold the clip 63 in position under some spring tension to prevent rattling and to accommodate variations in panel thickness.
  • FIG 9 shows an alternative form of clip 74 to hold the housing onto a panel.
  • the clip 74 has an upstanding tongue 75 with a turned-over end part 76 to clip onto the end of the extension 41.
  • the turned-over end part 76 is provided with a slot or cutaway 77 to facilitate withdrawal from the housing 21 when desired.
  • a lower end of the clip 74 has a pair of spring legs 78 and 79 which each pass through an appropriately shaped aperture in the panel to which the housing is to be mounted and expand somewhat to retain the housing.
  • Laterally extending spring arms 80 and 81 provide firm anchorage onto panels having a variety of different thicknesses.
  • the clip 74 further comprises a down-turned tongue 82 located behind the spring legs 78 and 79 and adapted to enter a shaped aperture in the panel to engage the same mechanically to prevent axial movement of the housing 21, which movement might overstrain and damage the spring legs 78 and 79.
  • FIG 10 shows a modified form of retention for the contact by the abutment 27a.
  • the abutment 27a is of L section to provide an undercut 27b which receives and engages the lower edge of the slot 37 to hold the contact against lateral movement.
  • the contact has to be introduced at an angle and twisted into its final position. Removal may also be effected by an initial twist to release the edge of the slot 37 from the undercut 27b.
  • the tine or tongue 38 has been omitted.
  • Figures 11 and 12 show an arrangement for inhibiting incorrect connection of housings by providing a user-definable code.
  • the end of the male housing 36 is formed with a plurality, in the example given eight, of studs 71, while the end of the female housing 21 of figure 11 has a corresponding series of slots 72 to receive the studs 71.
  • the assembler will block two (or more or less) of the slots 72 with plugs 73, and will grind away or otherwise remove the corresponding studs 71 from the matching male housing 36. This enables correct matching to be made, but will inhibit mismatching between incorrect housings.
  • a code defined by any two from eight will give twenty eight variations, while any three from eight will give fifty six possible combinations.
  • figures 5 to 8 show a number of modifications when compared with the arrangement of figures 1 to 4, and it will be understood that for instance the contact isolation arrangements consisting of the walls 26 and extensions 25 may be used in conjunction with the contacts of the same general type as those shown in figures 1 to 4.
  • the contacts of figures 5, 6 and 10 may, with some modification, be used in conjunction with the isolation arrangements of figures 1 to 4.
  • the mismatch inhibition arrangement of figure 11 and 12 may be adapted for use with the housings of figures 1 to 4.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP19850307077 1984-10-08 1985-10-03 Boîtier modulaire pour contacts électriques Expired EP0180343B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB8425406 1984-10-08
GB848425406A GB8425406D0 (en) 1984-10-08 1984-10-08 Electrical contact housing
GB858503075A GB8503075D0 (en) 1984-10-08 1985-02-07 Electrical contact housing
GB8503075 1985-02-07
GB858513067A GB8513067D0 (en) 1984-10-08 1985-05-23 Electrical contact housing
GB8513067 1985-05-23

Publications (2)

Publication Number Publication Date
EP0180343A1 true EP0180343A1 (fr) 1986-05-07
EP0180343B1 EP0180343B1 (fr) 1991-02-27

Family

ID=27262475

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850307077 Expired EP0180343B1 (fr) 1984-10-08 1985-10-03 Boîtier modulaire pour contacts électriques

Country Status (7)

Country Link
EP (1) EP0180343B1 (fr)
AU (1) AU580814B2 (fr)
DE (1) DE3581882D1 (fr)
ES (1) ES296671Y (fr)
GB (1) GB2167611A (fr)
HK (1) HK59692A (fr)
IN (1) IN164266B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2217524A (en) * 1988-04-13 1989-10-25 Crl Electrical connector
FR2706688A1 (fr) * 1993-06-16 1994-12-23 Cinch Connecteurs Sa Elément modulaire destiné, avec d'autres éléments identiques, à constituer un élément de boîtier de connecteur électrique.
EP1026788A1 (fr) * 1999-02-04 2000-08-09 Raychem Corporation Connecteur modulaire
WO2012080006A1 (fr) * 2010-12-16 2012-06-21 Robert Bosch Gmbh Agencement de contacts électriques pour connexion électrique par fiche et contact pour ledit agencement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4836804A (en) * 1988-05-24 1989-06-06 London Harness & Cable Corp. Electrical connector

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545429A (en) * 1945-11-27 1951-03-13 Aircraft Marine Prod Inc Electrical connector
FR2269801A1 (fr) * 1974-05-01 1975-11-28 Rists Wires & Cables Ltd
FR2347797A1 (fr) * 1976-04-08 1977-11-04 Jovy Robert Reglette a coupure et procede de montage de celle-ci

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB990416A (en) * 1961-06-02 1965-04-28 Painton & Co Ltd Improvements in or relating to electrical connectors
NL293978A (fr) * 1962-06-18 1900-01-01
NL134807C (fr) * 1967-01-19
US3471822A (en) * 1967-07-26 1969-10-07 Amp Inc Terminal junction system for electrical conductors
GB1234480A (fr) * 1967-12-18 1971-06-03
ZA752538B (en) * 1974-05-01 1976-03-31 Rists Wires & Cables Ltd Electrical connector
AU564678B2 (en) * 1984-02-06 1987-08-20 Thomas & Betts International, Inc. Modular telephone connector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545429A (en) * 1945-11-27 1951-03-13 Aircraft Marine Prod Inc Electrical connector
FR2269801A1 (fr) * 1974-05-01 1975-11-28 Rists Wires & Cables Ltd
FR2347797A1 (fr) * 1976-04-08 1977-11-04 Jovy Robert Reglette a coupure et procede de montage de celle-ci

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 14, no. 9, February 1972, page 2843, New York, US; E.C. UBERBACHER: "Electrical connector assembly" *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2217524A (en) * 1988-04-13 1989-10-25 Crl Electrical connector
FR2706688A1 (fr) * 1993-06-16 1994-12-23 Cinch Connecteurs Sa Elément modulaire destiné, avec d'autres éléments identiques, à constituer un élément de boîtier de connecteur électrique.
EP1026788A1 (fr) * 1999-02-04 2000-08-09 Raychem Corporation Connecteur modulaire
WO2012080006A1 (fr) * 2010-12-16 2012-06-21 Robert Bosch Gmbh Agencement de contacts électriques pour connexion électrique par fiche et contact pour ledit agencement

Also Published As

Publication number Publication date
AU5021985A (en) 1987-05-28
HK59692A (en) 1992-08-21
AU580814B2 (en) 1989-02-02
GB8524384D0 (en) 1985-11-06
ES296671Y (es) 1988-05-16
ES296671U (es) 1987-12-16
IN164266B (fr) 1989-02-11
EP0180343B1 (fr) 1991-02-27
DE3581882D1 (de) 1991-04-04
GB2167611A (en) 1986-05-29

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