EP0856912B1 - Insulation displacement electrical connector for multiple inline conductors - Google Patents
Insulation displacement electrical connector for multiple inline conductors Download PDFInfo
- Publication number
- EP0856912B1 EP0856912B1 EP19980101280 EP98101280A EP0856912B1 EP 0856912 B1 EP0856912 B1 EP 0856912B1 EP 19980101280 EP19980101280 EP 19980101280 EP 98101280 A EP98101280 A EP 98101280A EP 0856912 B1 EP0856912 B1 EP 0856912B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- slot
- conductor
- electrical connector
- idc
- 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
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Images
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
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
- H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
- H01R4/2462—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the contact members being in a slotted bent configuration, e.g. slotted bight
-
- 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
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
- H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
- H01R4/2425—Flat plates, e.g. multi-layered flat plates
- H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
- H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
Definitions
- the present invention relates to electrical connectors having contacts therein with an insulation displacement contact (IDC) slot for engaging a conductor oriented transversely thereto.
- IDC insulation displacement contact
- Connectors of this type have become increasingly popular in automotive and appliance industries as they are well adapted for production assembly and ensure a reliable electrical connection for use in environment subject to vibration.
- Known connectors incorporate a contact mounted in the cavity of an insulating body where a cover member is used to hold the transverse conductor in position. This known connector and improvements thereto is more fully described in US-A-4,830,625 and EP-A-0 317 099.
- EP-A-0 519 534 discloses an electrical component. package with a box with a lower body that has contact chambers to receive IDC contacts to make contact between a cable and an electrical component.
- the cable is inserted into cable access slots that are closed by frangible webs, that are deformed when the cable is inserted.
- a contact incorporating multiple IDC contacting sections can be provided in a single slot adapted to engage multiple conductors, even those having different size wires. Examples of contacts capable of solving this problem have been set out in FR-A-2 419 594; US-A-4,060,302; GB-A-2 130 815; and WO 95/31014.
- a problem inherent in contacts of this type is that it is difficult to ensure the stability of the electrical engagement, especially where only a single conductor is inserted into one of the contact sections that is not the one at the bottom of the slot. It would be highly desirable to be able to provide a connector similar to that of the prior art that would be useable in high vibration environments and incorporate the advantages of having contacts adapted to receive multiple inline conductors in an IDC manner.
- an electrical connector 2 comprising: a contact 6 having a mating portion 28 and a conductor engaging portion 30 that includes an insulation displacement contact (IDC) slot 34 therein for engaging a transversely oriented conductor 8,10 when forced therein; a connector body 4 having a mating end 14 and a conductor engaging end 16 with a contact receiving passageway 18 extending therebetween, and an access slot 22 extends into the body 4 from the conductor engaging end 16 thereby providing transverse access to the passageway 18, where the contact 6 is located in the passageway 18 with the IDC slot 34 corresponding to the access slot 22 such that the conductor 8,10 is insertable into the IDC slot 34 from the conductor engaging end 16; the connector 2 being characterized in that : the IDC slot 34 is adapted to have two in-line first and second contact sections 36,38 therealong and the connector body 4 includes a frangible beam 24 extending across the access slot 22 at a location corresponding to a position between the first and second contact sections 36,38 where said beam 24
- the present invention provides stabilization of a single conductor inserted partially along the slot such that a reliable connection is established even in high vibration environments while still enabling multiple conductors or a single conductor to be inserted into a lower engaging section by deforming the beam.
- the electrical connector includes a connector body 4 into which a contact 6 is inserted for engaging at least one conductive lead 8,10 where a cover 12 is inserted thereover.
- the connector body 4 includes a mating end 14 and a conductor engaging end 16 with a contact receiving passageway 18 extending therebetween.
- the contact receiving passageway 18 includes a cover receiving pocket 20.
- An access slot 22 extends into the body 4 from the conductor engaging end 16 thereby providing transverse access through at least one side of the connector body 4 and into the contact receiving passageway 18.
- a deformable beam 24, which in this embodiment is frangible, extends across the access slot 22 at some distance above the bottom of the slot. Note, with reference to Figure 7 the deformable beam 24 can be broken in two however, the beam 24 may also be deformed without breaking if desired.
- the transverse and frangible beam 24 includes a feature 26 such as a notch that will localize the fracture of the beam 24 as described below.
- the contact 6 includes a mating end 28 and a conductor engaging end 30.
- the conductor engaging end 30 is formed with opposing plates 32 having aligned IDC slots 34 for engaging a transversely oriented conductor 8,10.
- the IDC slots 34 each include a first contacting section 36 and a second contacting section 38 disposed sequentially in line with one another along the direction of insertion of the transverse conductors 8,10.
- the contact 6 is located within the terminal receiving passageway 18 of the connector body 4 by way of positioning features 4.
- the cover member 12 is provided with a pressing surface 42 for use either to stuff the conductive leads 8,10 into the IDC slots 34 of the contact 6 or to stabilize one of the leads 8,10 therein.
- latch members 44 are provided, thereby preventing the cover from being expelled and possible disengagement of the lead and contact interface.
- a connector housing 104 is shown incorporating multiple integrally moulded connector bodies 4. Further shown is a strip 112 of multiple covers 12.
- the contacts 6, described below with reference to figures 4 and 5, are received in the passageways 18 of each connector body 4 that makes up the connector housing 104. While it is envisioned that contacts having multiple inline engaging sections will be used in all of the cavities 18 other the contacts may be advantageously used including those with only a single engaging section as is known from the prior art.
- the connector housing 104 and the associated cover strip 112 are described in greater detail in the aforementioned patent publications incorporated by reference.
- the contact 6 includes the mating end 28 having opposing legs 46 extending from each of the plates 32.
- the legs 46 extend to outwardly turned ends 48 enabling insertion of printed circuit board pads for a mating tab therebetween.
- the plates 32 include IDC slots 34 oriented in line with one another.
- Each IDC slot includes a first contact section 36 and a second contact section 38 oriented therebelow when viewed from the direction of insertion of a conductive lead.
- the IDC slot 34 has a bottom 50.
- On opposite sides of the slot 34 at the second contact section 38 a pair of perimeter cutouts 52 are formed together that define resilient beam sections 54.
- these beam sections 54 enhance the ability to isolate the engagement forces necessary for each of the conductive leads when they are respectively inserted into the contact sections 36,38.
- Opposite the bottom of the slot 50 are a pair of cutting edges 56 that define a mouth therebetween for receiving the conductors therein.
- a pair of straps 58 hold the opposing plates 32 together.
- the connector 2 of Figure 1 is shown having a single conductive lead inserted into the first conductor engaging section 36 of the IDC slot 34.
- the cover 12 is in supporting engagement with the conductive lead 8 along pressing surface 42.
- the conductive lead 8 is also supported by the frangible beam 24 extending across the slot 22. The support above and below the conductive lead 8 assures that the conductive lead is held stable within the IDC slot 34 even in the first conductor engaging section 36 which is only partially along the IDC slot 34.
- the present invention provides an electrical connector suitable for IDC termination of one or more conductors in one or more positions along an IDC slot of a contact therein in a manner that is stabile and reliable.
- the same cover unit may be employed to see both conductors in their respective positions or with the case of a single conductor to see the conductor in the first contact section.
- the cover unit 12 may be used to effect the stuffing of the transverse conductors 8,10 or simply maintain them in their location after being stuffed into the IDC slot by a termination machine.
Landscapes
- Multi-Conductor Connections (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Description
- The present invention relates to electrical connectors having contacts therein with an insulation displacement contact (IDC) slot for engaging a conductor oriented transversely thereto.
- Connectors of this type have become increasingly popular in automotive and appliance industries as they are well adapted for production assembly and ensure a reliable electrical connection for use in environment subject to vibration. Known connectors incorporate a contact mounted in the cavity of an insulating body where a cover member is used to hold the transverse conductor in position. This known connector and improvements thereto is more fully described in US-A-4,830,625 and EP-A-0 317 099.
- EP-A-0 519 534 discloses an electrical component. package with a box with a lower body that has contact chambers to receive IDC contacts to make contact between a cable and an electrical component. The cable is inserted into cable access slots that are closed by frangible webs, that are deformed when the cable is inserted.
- In some instances, it would be desirable to have the flexibility to terminate multiple conductors in a single IDC slot or to be able to selectively terminate conductors of different sizes. With respect to the latter, a contact incorporating multiple IDC contacting sections can be provided in a single slot adapted to engage multiple conductors, even those having different size wires. Examples of contacts capable of solving this problem have been set out in FR-A-2 419 594; US-A-4,060,302; GB-A-2 130 815; and WO 95/31014.
- A problem inherent in contacts of this type is that it is difficult to ensure the stability of the electrical engagement, especially where only a single conductor is inserted into one of the contact sections that is not the one at the bottom of the slot. It would be highly desirable to be able to provide a connector similar to that of the prior art that would be useable in high vibration environments and incorporate the advantages of having contacts adapted to receive multiple inline conductors in an IDC manner.
- These and other objects are accomplished by providing an
electrical connector 2 comprising: acontact 6 having amating portion 28 and aconductor engaging portion 30 that includes an insulation displacement contact (IDC)slot 34 therein for engaging a transverselyoriented conductor connector body 4 having amating end 14 and aconductor engaging end 16 with acontact receiving passageway 18 extending therebetween, and anaccess slot 22 extends into thebody 4 from theconductor engaging end 16 thereby providing transverse access to thepassageway 18, where thecontact 6 is located in thepassageway 18 with the IDCslot 34 corresponding to theaccess slot 22 such that theconductor IDC slot 34 from theconductor engaging end 16; theconnector 2 being characterized in that : theIDC slot 34 is adapted to have two in-line first andsecond contact sections connector body 4 includes afrangible beam 24 extending across theaccess slot 22 at a location corresponding to a position between the first andsecond contact sections beam 24 is deformable to provide access to thesecond contact section 38. - Advantageously, the present invention provides stabilization of a single conductor inserted partially along the slot such that a reliable connection is established even in high vibration environments while still enabling multiple conductors or a single conductor to be inserted into a lower engaging section by deforming the beam.
- The present invention will now be described by way of example with reference to the drawings wherein;
- Figure 1 is an exploded perspective view of a connector according to the present invention;
- Figure 2 is an upper perspective view of an electrical connector body and cover incorporating multiple contact passageways;
- Figure 3 is a lower perspective view of the connector body in cover of Figure 2;
- Figure 4 is a side perspective view of the contact illustrated in Figure 1;
- Figure 5 is a side perspective view of the contact of Figure 4 showing multiple conductors terminated therein;
- Figure 6 is a front view of the assembled connector of Figure 1 showing a single conductor supported by a deformable beam; and
- Figure 7 is a front view of the connector of Figure 1 showing multiple conductors inserted therein with the deformable beam being displaced.
-
- With reference now to Figure 1, a single cell of an electrical connector according to the present invention is shown generally at 2. The electrical connector includes a
connector body 4 into which acontact 6 is inserted for engaging at least oneconductive lead cover 12 is inserted thereover. - The
connector body 4 includes amating end 14 and aconductor engaging end 16 with acontact receiving passageway 18 extending therebetween. At theconductor engaging end 16 of theconnector body 4 thecontact receiving passageway 18 includes acover receiving pocket 20. Anaccess slot 22 extends into thebody 4 from theconductor engaging end 16 thereby providing transverse access through at least one side of theconnector body 4 and into thecontact receiving passageway 18. Adeformable beam 24, which in this embodiment is frangible, extends across theaccess slot 22 at some distance above the bottom of the slot. Note, with reference to Figure 7 thedeformable beam 24 can be broken in two however, thebeam 24 may also be deformed without breaking if desired. The transverse andfrangible beam 24 includes afeature 26 such as a notch that will localize the fracture of thebeam 24 as described below. - The
contact 6 includes amating end 28 and aconductor engaging end 30. Theconductor engaging end 30 is formed withopposing plates 32 having alignedIDC slots 34 for engaging a transversely orientedconductor IDC slots 34 each include afirst contacting section 36 and asecond contacting section 38 disposed sequentially in line with one another along the direction of insertion of thetransverse conductors contact 6 is located within theterminal receiving passageway 18 of theconnector body 4 by way of positioning features 4. - The
cover member 12 is provided with apressing surface 42 for use either to stuff theconductive leads IDC slots 34 of thecontact 6 or to stabilize one of theleads cover member 12 remains positioned within thepocket 20 of theconnector body 4,latch members 44 are provided, thereby preventing the cover from being expelled and possible disengagement of the lead and contact interface. - With reference now to Figures 2 and 3, a
connector housing 104 is shown incorporating multiple integrallymoulded connector bodies 4. Further shown is astrip 112 ofmultiple covers 12. Thecontacts 6, described below with reference to figures 4 and 5, are received in thepassageways 18 of eachconnector body 4 that makes up theconnector housing 104. While it is envisioned that contacts having multiple inline engaging sections will be used in all of thecavities 18 other the contacts may be advantageously used including those with only a single engaging section as is known from the prior art. Theconnector housing 104 and the associatedcover strip 112 are described in greater detail in the aforementioned patent publications incorporated by reference. - With reference now to Figures 4 and 5, the
contact 6 is shown. Thecontact 6 includes themating end 28 havingopposing legs 46 extending from each of theplates 32. Thelegs 46 extend to outwardly turnedends 48 enabling insertion of printed circuit board pads for a mating tab therebetween. Opposite to themating end 28 theplates 32 includeIDC slots 34 oriented in line with one another. Each IDC slot includes afirst contact section 36 and asecond contact section 38 oriented therebelow when viewed from the direction of insertion of a conductive lead. Below the second contactingsection 38, the IDCslot 34 has abottom 50. On opposite sides of theslot 34 at the second contact section 38 a pair ofperimeter cutouts 52 are formed together that defineresilient beam sections 54. As some resilience is necessary at each of the first andsecond contact sections beam sections 54 enhance the ability to isolate the engagement forces necessary for each of the conductive leads when they are respectively inserted into thecontact sections slot 50 are a pair ofcutting edges 56 that define a mouth therebetween for receiving the conductors therein. A pair ofstraps 58 hold theopposing plates 32 together. By insertingmultiple leads slot 34multiple leads second contact section 38 would be used for thesmaller lead 8 while the first orupper contact section 36 would be used for thelarger lead 10. In the alternative, the contactingsections conductive leads - With reference now to Figure 6, the
connector 2 of Figure 1 is shown having a single conductive lead inserted into the first conductorengaging section 36 of theIDC slot 34. In this position, thecover 12 is in supporting engagement with theconductive lead 8 alongpressing surface 42. Theconductive lead 8 is also supported by thefrangible beam 24 extending across theslot 22. The support above and below theconductive lead 8 assures that the conductive lead is held stable within theIDC slot 34 even in the firstconductor engaging section 36 which is only partially along theIDC slot 34. - With respect now to Figure 7, where a
conductor 8 is to be inserted into the second engaging section ofslot 34, thesupport beam 24 is broken at thenotch 26 and pushed out of the way assegments 24a,b. In the case shown, asecond conductor 10 is inserted thereover and as a result of using thesame cover 12 as shown in Figure 6, thebiasing surface 42 is at the same location and sits above thesecond conductor 10 maintaining both in their respective region. Thisconductor 8 is now supported at the bottom of theslot 34 where it is stably located. It may also be possible to provide two latched positions in the cover receiving pocket for thecover 12 such that the cover would be further inserted so thatsurface 42 would sit upon asingle conductor 8 in thesecond region 38 without requiring adifferent cover 12. - Advantageously then, the present invention provides an electrical connector suitable for IDC termination of one or more conductors in one or more positions along an IDC slot of a contact therein in a manner that is stabile and reliable. Furthermore, where multiple conductors are to be used the same cover unit may be employed to see both conductors in their respective positions or with the case of a single conductor to see the conductor in the first contact section. Finally, the
cover unit 12 may be used to effect the stuffing of thetransverse conductors
Claims (6)
- An electrical connector (2) comprising: a contact (6) having a mating portion (28) and a conductor engaging portion (30) that includes an insulation displacement contact (IDC) slot (34) therein for engaging a transversely oriented conductor (8,10) when forced therein; a connector body 4 having a mating end (14) and a conductor engaging end (16) with a contact receiving passageway (18) extending therebetween, and an access slot (22) extends into the body (4) from the conductor engaging end (16) thereby providing transverse access to the passageway (18), where the contact (6) is located in the passageway (18) with the IDC slot (34) corresponding to the access slot (22) such that the conductor (8,10) is insertable into the IDC slot (34) from the conductor engaging end (16); the connector (2) being characterized in that : the IDC slot (34) is adapted to have two in-line first and second contact sections (36,38) therealong and the connector body (4) includes a deformable beam (24) extending across the access slot (22) at a location corresponding to a position between the first and second contact sections (36,38) where said beam (24) is breakable to provide access to the second contact section (38).
- The electrical connector (2) of claim 1 wherein the deformable beam is relieved to localize the deformation location.
- The electrical connector (2) of claim 1 or 2 wherein the contact includes two plates spaced from each other having insulation displacement contact slot therein where the two plates are joined together by straps, thereby forming a U-shaped contact member.
- The electrical connector of any one of the preceding claims are now including a cover that has latches for engaging the connector body to retain the cover therewith, the cover being receivable in a cover receiving pocket (20) of the connector body (4) located towards the conductor engaging end (16).
- The electrical connector of any one of the preceding claims further characterized in that the cover includes a pressing surface (42) that cooperates with one of the leads (8,10)
- The electrical connector of any one of the preceding claims further characterized in that the deformable beam includes a feature (26) to localize the deformation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9702024.2A GB9702024D0 (en) | 1997-01-31 | 1997-01-31 | Electrical connector for IDC engagement of multiple inline conductors |
GB9702024 | 1997-01-31 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0856912A2 EP0856912A2 (en) | 1998-08-05 |
EP0856912A3 EP0856912A3 (en) | 1999-08-25 |
EP0856912B1 true EP0856912B1 (en) | 2003-04-16 |
Family
ID=10806898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19980101280 Expired - Lifetime EP0856912B1 (en) | 1997-01-31 | 1998-01-26 | Insulation displacement electrical connector for multiple inline conductors |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0856912B1 (en) |
DE (1) | DE69813335T2 (en) |
ES (1) | ES2196406T3 (en) |
GB (1) | GB9702024D0 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202008000877U1 (en) | 2008-01-21 | 2008-05-15 | 3M Innovative Properties Co., St. Paul | Telecommunication module, distributor with at least one telecommunication module |
EP3758163A1 (en) * | 2019-06-24 | 2020-12-30 | TE Connectivity Nederland B.V. | Plug insert for a connector assembly and connector assembly |
US11205862B2 (en) | 2019-10-28 | 2021-12-21 | TE Connectivity Services Gmbh | Insulation displacement contact with expanded wire range capacity |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5147217A (en) * | 1991-06-18 | 1992-09-15 | General Motors Corporation | Electrical component package |
BR9507696A (en) * | 1994-05-06 | 1997-08-19 | Whitaker Corp | Electrical terminal |
-
1997
- 1997-01-31 GB GBGB9702024.2A patent/GB9702024D0/en active Pending
-
1998
- 1998-01-26 ES ES98101280T patent/ES2196406T3/en not_active Expired - Lifetime
- 1998-01-26 EP EP19980101280 patent/EP0856912B1/en not_active Expired - Lifetime
- 1998-01-26 DE DE69813335T patent/DE69813335T2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69813335D1 (en) | 2003-05-22 |
EP0856912A2 (en) | 1998-08-05 |
DE69813335T2 (en) | 2004-02-12 |
GB9702024D0 (en) | 1997-03-19 |
ES2196406T3 (en) | 2003-12-16 |
EP0856912A3 (en) | 1999-08-25 |
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