EP0163361A1 - Electrical connector for coaxial cables - Google Patents
Electrical connector for coaxial cables Download PDFInfo
- Publication number
- EP0163361A1 EP0163361A1 EP85301008A EP85301008A EP0163361A1 EP 0163361 A1 EP0163361 A1 EP 0163361A1 EP 85301008 A EP85301008 A EP 85301008A EP 85301008 A EP85301008 A EP 85301008A EP 0163361 A1 EP0163361 A1 EP 0163361A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrically
- coaxial cables
- electrical connector
- contacts
- contact
- 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
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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
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
- H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
- H01R9/0506—Connection between three or more cable ends
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
Definitions
- the device of the present invention generally relates to electrical connectors and, more particularly although not exclusively, to electrical connectors for electrically interconnecting or splicing a plurality of low voltage coaxial cables.
- the present invention provides an electrical connector for electrically interconnecting a plurality of coaxial cables characterized by first means for electrically interconnecting the outer conductors of said plurality of coaxial cables through a short circuit electrical path, said first means comprising a first plurality of electrically interconnected insulation piercing contacts extending in a first direction and adapted to physically and electrically contact the outer conductors of said plurality of coaxial cables through the outer dielectric insulating layers of said plurality of coaxial cables, and second means for electrically interconnecting the inner conductors of said plurality of coaxial cables through a short circuit electrical path, said second means comprising a second plurality of electrically interconnected insulation piercing contacts extending In a second direction opposite to said first direction and adapted to physically and electrically contact the inner conductors of said plurality of coaxial cables through the inner dielectric insulating layers of said plurality of coaxial cables.
- the present invention also provides an electrical connector for electrically interconnecting a coaxial cable with an electrical device characterized by first means for electrically interconnecting the inner conductor of said coaxial cable through an electrical path with the device, said first means comprising a first insulation piercing contact extending in a first direction and adapted to physically and electrically contact the inner conductor of said coaxial cable through the inner dielectric insulating layer of said cable and second means for electrically interconnecting the outer conductor of said coaxial cable with the device, said second means comprising an insulation piercing contact extending in a second direction opposite to said first direction and adapted to physically and electrically contact the outer conductor of said coaxial cable through the outer dielectric insulating layer of said cable.
- an electrical connector 20 which may be referred to as a mass termination, electrically interconnects or splices a plurality of three low voltage coaxial cables 22, 24 and 26 capable of transmitting high frequency, low power energy.
- Each coaxial cable 22, 24 and 26 (Fig. 2) includes a central or current carrying conductor 28; an inner dielectric insulating layer 30; an outer conductor or metallic shield 32, typically formed as metallic braiding; and an outer dielectric insulating layer, jacket or sheath 34.
- Each coaxial cable 22, 24 and and 26 may be prepared for interconnection by the electrical connector 20 by baring and shaping an elongated portion 36 (Fig. 3) of the inner insulating layer 30.
- the electrical connector 20 includes a generally T-shaped, molded, electrically insulating cover 40 (Fig. 4) formed from a suitable dielectric material that circumscribes or defines the interior of the electrical connector 20 when disposed over a base 42 of the electrical connector 20.
- the cover 40 includes a plurality of three, elongated, generally U-shaped slots or openings 44 for the receipt of the cables 22, 24 and 26.
- An electrically conductive metallic shield connector 46 is fixedly secured in the cover 40 and includes a plurality of three, downwardly extending, insulation piercing contacts 48 for physically and electrically contacting and for electrically interconnecting the metallic shields 32 of the cables 22, 24 and 26.
- Each of the contacts 48 includes a plurality of laterally spaced apart, exposed knife edges 50 (Fig.
- the shield connector 46 also includes a plurality of three, elongated, interconnected, metallic leads 52 (Figs. I and 4) for electrically interconnecting the three spaced apart contacts 48 and thus the three metallic shields 32 of the cables 22, 24 and 26.
- the contacts 48 and the leads 52 may, in a specific embodiment, comprise integrally formed portions of a unitary metallic strip.
- the metallic shield connector 46 may be formed in a desired configuration and then placed, prior to a molding operation, in a mold used to form the cover 40. In this manner, the cover 40 and the shield connector 46 may be formed as a single component part of the electrical connector 20.
- the base 42 of the electrical connector 20 includes a generally T-shaped, electrically insulating substrate 60 (Fig. 7).
- the substrate 60 includes a plurality of three, integrally formed, pairs of spaced apart protuberances or pedestal portions 62 extending upwardly from the inner surface of the substrate 60.
- One of a plurality of three, upwardly extending, insulation piercing contacts 64 of an electrically conductive central conductor connector 65 is supported by and mounted between each pair -of pedestal portions 62.
- Each contact 64 includes a pair of laterally spaced apart, converging knife edges 66 for cutting through the elongated portion 36 of the inner insulating layer 30 and for physically and electrically contacting the central conductor 28 of the cable 22, 24 or 26 (Figs. 6 and 8).
- the central conductor connector 65 also includes a plurality of elongated, interconnected, metallic leads or strips 68, secured to the substrate 60 by any suitable means, for electrically interconnecting the three contacts 64 and thus the central conductors 28 of the cables 22, 24 and 26 through a short circuit electrical path.
- a plurality of two or more of the cables 22, 24 and 26 may be electrically interconnected by means of the electrical connector 20 in accordance with the following method.
- each cable 22, 24 and 26 is prepared as depicted in Fig. 3.
- the elongated portion 36 of the inner insulating layer 30 is bared by removing an elongated portion of the outer jacket 34 and a corresponding elongated portion of the metallic shield 32.
- the elongated portion 36 of the inner insulating layer 30 may be shaped, if desired, to facilitate its receipt on the contact 64 between the pair of pedestal portions 62 (Fig. 7 and 8) and to reduce the amount of effort required to cut through the inner insulating layer 30 in order to physically contact the central conductor 28.
- the inner insulating layer 30 may be cut to form a plurality of two, generally parallel, spaced apart, flat or planar surfaces 70 (Fig. 3).
- each elongated portion 36 of the cables 22, 24 and 26 (if all three cables 22, 24 and 26 are to be interconnected) is disposed fully in contact with the insulation piercing contact 64 (Fig. 8) such that the center conductor 28 is in physical and electrical contact with the converging knife edges 66.
- the cover 40 may then be placed over the substrate 60 so that the cables 22, 24 and 26 are received in the slots 44.
- the cover 40 is pressed downwardly as a mass termination until the cables 22, 24 and 26 are fully received within the slots 44, in which condition the knife edges 50 will have cut through the outer jackets 34 to physically and electrically contact the metallic shields 32 of the cables 22, 24 and 26.
- the cover 40 and the base 42 may be configured to interlock, for example, by a snap fit between the cover 40 and the substrate 60, to maintain the cover 40 in secure engagement with the base 42.
- the coaxial cables 22, 24 and 26 may be easily, quickly and reliably electrically interconnected.
- a single insulation piercing contact 64 and a single, associated, preferably oppositely extending, insulation piercing contact 48 both electrically interconnected with an electrical device may be used physically and electrically to contact the central conductor 28 and the metallic shield 32, respectively, of a single coaxial cable 22 to electrically interconnect the coaxial cable 22 and the electrical device.
Landscapes
- Multi-Conductor Connections (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
Abstract
Description
- The device of the present invention generally relates to electrical connectors and, more particularly although not exclusively, to electrical connectors for electrically interconnecting or splicing a plurality of low voltage coaxial cables.
- Electrical connectors and, more particularly, electrical connectors for electrically interconnecting or splicing a plurality of single or multiple conductor cables are old and well known in the art. Examples of such connectors are disclosed in United States Letters Patents Nos. 4,284,316; 4,324,450; 4,325,598; 4,346,958; 4,360,244; 4,365,859; and 4,391,484. In general, prior art electrical connectors for electrically interconnecting or splicing a plurality of coaxial cables have exhibited one or more design deficiencies. For example, many prior art electrical connectors have been either overly large, cumbersome, unreliable, expensive, or difficult or time consuming to assemble, or have required one or more soldering operations. A need exists in the art for a relatively small, effective, reliable and inexpensive electrical connector for electrically interconnecting or splicing a plurality of coaxial cables quickly and easily without any soldering operations.
- To this end the present invention provides an electrical connector for electrically interconnecting a plurality of coaxial cables characterized by first means for electrically interconnecting the outer conductors of said plurality of coaxial cables through a short circuit electrical path, said first means comprising a first plurality of electrically interconnected insulation piercing contacts extending in a first direction and adapted to physically and electrically contact the outer conductors of said plurality of coaxial cables through the outer dielectric insulating layers of said plurality of coaxial cables, and second means for electrically interconnecting the inner conductors of said plurality of coaxial cables through a short circuit electrical path, said second means comprising a second plurality of electrically interconnected insulation piercing contacts extending In a second direction opposite to said first direction and adapted to physically and electrically contact the inner conductors of said plurality of coaxial cables through the inner dielectric insulating layers of said plurality of coaxial cables.
- The present invention also provides an electrical connector for electrically interconnecting a coaxial cable with an electrical device characterized by first means for electrically interconnecting the inner conductor of said coaxial cable through an electrical path with the device, said first means comprising a first insulation piercing contact extending in a first direction and adapted to physically and electrically contact the inner conductor of said coaxial cable through the inner dielectric insulating layer of said cable and second means for electrically interconnecting the outer conductor of said coaxial cable with the device, said second means comprising an insulation piercing contact extending in a second direction opposite to said first direction and adapted to physically and electrically contact the outer conductor of said coaxial cable through the outer dielectric insulating layer of said cable.
- Some ways of carrying out the invention are described in detail below, by way of example and not by way of limitation, with reference to the accompanying drawings wherein:
- .FIG. 1 'is a perspective view of an electrical connector constructed in accordance with the principles of the present invention;
- FIG. 2 is an enlarged perspective view of a coaxial cable for use with the device of Fig. 1;
- FIG. 3 is an enlarged perspective view of a coaxial cable prepared for use in the device of Fig. 1;
- FIG. 4 is a perspective view of the cover of the device of Fig. 1;
- FIG. 5 is an enlarged, cross sectional view of the device of Fig. 1 taken along line 5-5 of Fig. 1;
- FIG. 6 is an enlarged, fragmentary, elevational view of the insulation piercing contacts of the device of Fig. I;
- FIG. 7 is a perspective view of the base of the device of Fig. 1; and
- FIG. 8 is an enlarged, cross sectional view of the device of Fig. 1 taken along line 8-8 of Fig. 7.
- Referring to the drawings and initially to Figs. I to 3, an
electrical connector 20, which may be referred to as a mass termination, electrically interconnects or splices a plurality of three low voltagecoaxial cables coaxial cable conductor 28; an inner dielectricinsulating layer 30; an outer conductor ormetallic shield 32, typically formed as metallic braiding; and an outer dielectric insulating layer, jacket orsheath 34. Eachcoaxial cable electrical connector 20 by baring and shaping an elongated portion 36 (Fig. 3) of the innerinsulating layer 30. - The
electrical connector 20 includes a generally T-shaped, molded, electrically insulating cover 40 (Fig. 4) formed from a suitable dielectric material that circumscribes or defines the interior of theelectrical connector 20 when disposed over abase 42 of theelectrical connector 20. Thecover 40 includes a plurality of three, elongated, generally U-shaped slots oropenings 44 for the receipt of thecables metallic shield connector 46 is fixedly secured in thecover 40 and includes a plurality of three, downwardly extending,insulation piercing contacts 48 for physically and electrically contacting and for electrically interconnecting themetallic shields 32 of thecables contacts 48 includes a plurality of laterally spaced apart, exposed knife edges 50 (Fig. 5) extending inwardly into theslots 44. When thecover 40 is disposed over the base 42 (Fig. 1) such that thecables slots 44, theknife edges 50 cut through the outer insulatingjackets 34 and physically and electrically contact themetallic shields 32 of thecables - The
shield connector 46 also includes a plurality of three, elongated, interconnected, metallic leads 52 (Figs. I and 4) for electrically interconnecting the three spaced apartcontacts 48 and thus the threemetallic shields 32 of thecables contacts 48 and theleads 52 may, in a specific embodiment, comprise integrally formed portions of a unitary metallic strip. Themetallic shield connector 46 may be formed in a desired configuration and then placed, prior to a molding operation, in a mold used to form thecover 40. In this manner, thecover 40 and theshield connector 46 may be formed as a single component part of theelectrical connector 20. - The
base 42 of theelectrical connector 20 includes a generally T-shaped, electrically insulating substrate 60 (Fig. 7). Thesubstrate 60 includes a plurality of three, integrally formed, pairs of spaced apart protuberances orpedestal portions 62 extending upwardly from the inner surface of thesubstrate 60. One of a plurality of three, upwardly extending,insulation piercing contacts 64 of an electrically conductivecentral conductor connector 65 is supported by and mounted between each pair -ofpedestal portions 62. Eachcontact 64 includes a pair of laterally spaced apart, convergingknife edges 66 for cutting through theelongated portion 36 of the inner insulatinglayer 30 and for physically and electrically contacting thecentral conductor 28 of thecable central conductor connector 65 also includes a plurality of elongated, interconnected, metallic leads orstrips 68, secured to thesubstrate 60 by any suitable means, for electrically interconnecting the threecontacts 64 and thus thecentral conductors 28 of thecables - A plurality of two or more of the
cables electrical connector 20 in accordance with the following method. Initially, eachcable elongated portion 36 of the inner insulatinglayer 30 is bared by removing an elongated portion of theouter jacket 34 and a corresponding elongated portion of themetallic shield 32. Subsequently, theelongated portion 36 of the inner insulatinglayer 30 may be shaped, if desired, to facilitate its receipt on thecontact 64 between the pair of pedestal portions 62 (Fig. 7 and 8) and to reduce the amount of effort required to cut through the inner insulatinglayer 30 in order to physically contact thecentral conductor 28. For example, the innerinsulating layer 30 may be cut to form a plurality of two, generally parallel, spaced apart, flat or planar surfaces 70 (Fig. 3). - Subsequently, each
elongated portion 36 of thecables cables center conductor 28 is in physical and electrical contact with the convergingknife edges 66. Thecover 40 may then be placed over thesubstrate 60 so that thecables slots 44. Thecover 40 is pressed downwardly as a mass termination until thecables slots 44, in which condition theknife edges 50 will have cut through theouter jackets 34 to physically and electrically contact themetallic shields 32 of thecables cover 40 and thebase 42 may be configured to interlock, for example, by a snap fit between thecover 40 and thesubstrate 60, to maintain thecover 40 in secure engagement with thebase 42. In this manner and by means of theelectrical connector 20, thecoaxial cables - A single
insulation piercing contact 64 and a single, associated, preferably oppositely extending,insulation piercing contact 48 both electrically interconnected with an electrical device may be used physically and electrically to contact thecentral conductor 28 and themetallic shield 32, respectively, of a singlecoaxial cable 22 to electrically interconnect thecoaxial cable 22 and the electrical device.
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59686184A | 1984-04-04 | 1984-04-04 | |
US596861 | 1984-04-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0163361A1 true EP0163361A1 (en) | 1985-12-04 |
EP0163361B1 EP0163361B1 (en) | 1988-02-03 |
Family
ID=24389026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19850301008 Expired EP0163361B1 (en) | 1984-04-04 | 1985-02-15 | Electrical connector for coaxial cables |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0163361B1 (en) |
JP (1) | JPS60227366A (en) |
CA (1) | CA1236190A (en) |
DE (1) | DE3561571D1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0419708A1 (en) * | 1989-09-28 | 1991-04-03 | Siemens Aktiengesellschaft | Interface module for a bus interface |
EP0448230A2 (en) * | 1990-02-21 | 1991-09-25 | Amphenol Corporation | Shielded data bus loom |
DE20001912U1 (en) * | 2000-02-03 | 2001-06-13 | Weidmüller Interface GmbH & Co, 32760 Detmold | Connection and / or distribution element for shield cables |
US6443756B1 (en) * | 1998-11-14 | 2002-09-03 | Hirschmann Electronics Gmbh & Co. Kg | Connecting device |
US10446953B1 (en) | 2018-06-07 | 2019-10-15 | RabyConnectInc. | Electrical connector |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8600041A (en) * | 1985-12-23 | 1987-07-16 | Du Pont Nederland | CONTACT DEVICE FOR A SHIELDED CABLE. |
JPS62160672A (en) * | 1985-12-23 | 1987-07-16 | イ−・アイ・デユポン・ドウ・ヌム−ル・アンド・カンパニ− | Connector |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1013499A (en) * | 1961-08-04 | 1965-12-15 | Sperry Rand Corp | Method and means for connecting co-axial cables |
US3543222A (en) * | 1969-02-24 | 1970-11-24 | Rj Communication Products Inc | Method and apparatus for coupling to a co-axial cable |
US4284316A (en) * | 1979-10-11 | 1981-08-18 | Cgee Alsthom | Terminal block |
GB2082850A (en) * | 1980-08-22 | 1982-03-10 | Bunker Ramo | Tape connector for coaxial cable |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5118981U (en) * | 1974-07-30 | 1976-02-12 | ||
JPS6059367B2 (en) * | 1975-05-09 | 1985-12-25 | 三菱重工業株式会社 | surface water intake device |
JPS6031449Y2 (en) * | 1980-09-08 | 1985-09-20 | 岩谷産業株式会社 | Soil drilling type fumarole deep cultivator |
JPS6059367U (en) * | 1983-09-29 | 1985-04-25 | エスエムケイ株式会社 | Shield wire pressure welding/connection part |
-
1985
- 1985-02-15 DE DE8585301008T patent/DE3561571D1/en not_active Expired
- 1985-02-15 EP EP19850301008 patent/EP0163361B1/en not_active Expired
- 1985-03-26 CA CA000477478A patent/CA1236190A/en not_active Expired
- 1985-04-01 JP JP60068898A patent/JPS60227366A/en active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1013499A (en) * | 1961-08-04 | 1965-12-15 | Sperry Rand Corp | Method and means for connecting co-axial cables |
US3543222A (en) * | 1969-02-24 | 1970-11-24 | Rj Communication Products Inc | Method and apparatus for coupling to a co-axial cable |
US4284316A (en) * | 1979-10-11 | 1981-08-18 | Cgee Alsthom | Terminal block |
GB2082850A (en) * | 1980-08-22 | 1982-03-10 | Bunker Ramo | Tape connector for coaxial cable |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0419708A1 (en) * | 1989-09-28 | 1991-04-03 | Siemens Aktiengesellschaft | Interface module for a bus interface |
US5140172A (en) * | 1989-09-28 | 1992-08-18 | Siemens Aktiengesellschaft | Interface module for a bus interface |
EP0448230A2 (en) * | 1990-02-21 | 1991-09-25 | Amphenol Corporation | Shielded data bus loom |
EP0448230A3 (en) * | 1990-02-21 | 1992-03-18 | Amphenol Corporation | Shielded data bus loom |
US6443756B1 (en) * | 1998-11-14 | 2002-09-03 | Hirschmann Electronics Gmbh & Co. Kg | Connecting device |
DE20001912U1 (en) * | 2000-02-03 | 2001-06-13 | Weidmüller Interface GmbH & Co, 32760 Detmold | Connection and / or distribution element for shield cables |
US10446953B1 (en) | 2018-06-07 | 2019-10-15 | RabyConnectInc. | Electrical connector |
Also Published As
Publication number | Publication date |
---|---|
JPS6227506B2 (en) | 1987-06-15 |
EP0163361B1 (en) | 1988-02-03 |
DE3561571D1 (en) | 1988-03-10 |
JPS60227366A (en) | 1985-11-12 |
CA1236190A (en) | 1988-05-03 |
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