EP1003244B1 - Abgeschirmter Verbinder und Verfahren für die Verbindung von einem abgeschirmten Verbinder mit einem abgeschirmten Kabel - Google Patents

Abgeschirmter Verbinder und Verfahren für die Verbindung von einem abgeschirmten Verbinder mit einem abgeschirmten Kabel Download PDF

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Publication number
EP1003244B1
EP1003244B1 EP99123130A EP99123130A EP1003244B1 EP 1003244 B1 EP1003244 B1 EP 1003244B1 EP 99123130 A EP99123130 A EP 99123130A EP 99123130 A EP99123130 A EP 99123130A EP 1003244 B1 EP1003244 B1 EP 1003244B1
Authority
EP
European Patent Office
Prior art keywords
crimping
sheath
shielded
terminal
outer conductor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99123130A
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English (en)
French (fr)
Other versions
EP1003244B8 (de
EP1003244A1 (de
Inventor
Masahiko c/o Sumitomo Wiring Systems Ltd. Aoyama
Masashi C/O Sumitomo Wiring Systems Ltd. Saito
Takashi c/o Sumitomo Wiring Systems Ltd. Koide
Akira c/o Toyota Jidosha Kabushiki Kaisha Matsuda
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.)
Sumitomo Wiring Systems Ltd
Original Assignee
Sumitomo Wiring Systems 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 JP32968598A external-priority patent/JP3365549B2/ja
Priority claimed from JP33772398A external-priority patent/JP3532428B2/ja
Priority claimed from JP10341933A external-priority patent/JP2000160383A/ja
Application filed by Sumitomo Wiring Systems Ltd filed Critical Sumitomo Wiring Systems Ltd
Publication of EP1003244A1 publication Critical patent/EP1003244A1/de
Application granted granted Critical
Publication of EP1003244B1 publication Critical patent/EP1003244B1/de
Publication of EP1003244B8 publication Critical patent/EP1003244B8/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • 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
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule

Definitions

  • the present invention relates to a shielded connector and to a method for connecting a shielded connector with a shielded cable, in particular a crimping method.
  • a shielded connector for connecting a shielded cable comprised of an inner conductor for transmitting a high-frequency signal and an outer conductor for shielding the inner conductor needs to separately connect the inner and outer conductors.
  • a known shielded connector of this type is disclosed in Japanese Unexamined Utility Model Publication No. 5-27983.
  • This terminal 1 is provided with three crimping portions: an inner conductor crimping portion 1a, an outer conductor crimping portion 1b and a sheath crimping portion 1c as shown in FIG. 7.
  • a shielded cable 2 and the shielded connector 1 are connected as follows.
  • An inner conductor 2a is exposed by stripping a sheath 2c, the outer conductor 2b and an insulating element 2d at an end of the shielded cable, and the inner conductor crimping portion 1a is fastened to the exposed inner conductor 2a.
  • the sheath 2c is stripped at this end of the shielded cable 2 to expose the outer conductor 2b, and the outer conductor crimping portion 1b is fastened to this exposed portion 2e of the outer conductor 2b.
  • the sheath crimping portion 1c is fastened to the sheath 2c at the end of the shielded cable 2 located behind the exposed portion 2e.
  • crimping portions which are fastened taking advantage of the plastic deformation of metal members inevitably undergo a slight restoration after crimping. As a result, the fastened crimping portions may be slightly loosened. If the exposed portion 2e of the shielded cable 2 is fastened as in the prior art, the crimping portion is left loosened if being restored after crimping since the outer conductor 2b surrounds the hard insulating element 2d at the exposed portion 2e. Therefore, a fastening force is insufficient.
  • the above known terminal 1 is obliged to have a long length since it has the inner conductor crimping portion 1a, the outer conductor crimping portion 1b and the sheath crimping portion 1c for the connection with the shielded cable 2.
  • the longer length of the shielded connector 1 disadvantageously leads to a longer length of a connector housing (not shown) for accommodating it.
  • document EP 0 510 264 A discloses a shielded connector comprising an inner terminal, an outer terminal and a dielectric plug.
  • This shielded connector comprises three crimping sections, namely a first crimping section of the inner terminal for crimping the insulating element of the coaxial cable, a second crimping section of the inner terminal for crimping onto the inner conductor and a third crimping section of the outer terminal for crimping onto the outer conductor.
  • this shielded connector needs at least three crimping sections being arranged in series.
  • the object of the invention is to provide a new shielded connector which may be downsized, has an improved operability and a facilitated assembly and a respective method for connecting a shielded connector with a shielded cable.
  • This object may be achieved by a shielded connector having the features as defined in claim 1 and a respective method having the features as defined in claim 4.
  • the crimping portion since the crimping portion is fastened to the outer conductor folded back over the sheath of the shielded cable, it can be fastened while squeezing the sheath taking advantage of the elasticity of the sheath. Even if the crimping portion is restored after crimping, the elastic deformation of the sheath is not completely cancelled since the crimping portion squeezingly holds the sheath. Therefore, the sheath and the outer conductor folded back over it can be closely held by the crimping portion.
  • the crimping portion provides sufficient fastening force and electrical connection, it can serves both as the sheath crimping portion and as the outer conductor crimping portion of the prior art shielded connector. As a result, the entire length of the shielded connector can be shortened.
  • the pair of crimping pieces surround the outer surface of the outer conducted folded back over the sheath, electrical connection can be more securely established over the entire circumference and the fastening force can be further increased.
  • the shielded connector can deal with shielded cables of various outer diameters by adjusting the overlapping length of the ends of the crimping pieces.
  • the at least two crimping pieces extend from a bottom surface of the crimping portion while being spaced apart wider from each other toward the leading ends thereof. Accordingly, the shielded cable can be more easily inserted, since a risk of interaction with the crimping portion is reduced. Furthermore, a risk of widthwise displacement of the folded portion during the connection can be reduced.
  • leading ends of the crimping pieces are slanted.
  • the crimping portion is allowed in the crimping step to slightly restore so that the elastic deformation of the sheath corresponding to or in proximity of the folded portion is correspondingly allowed to elastically restore, wherein the elastic deformation of the sheath is not completely cancelled so that a sufficient fastening force can be obtained.
  • a shielded connector 10 has such an integral construction that an inner terminal 20 is accommodated in an outer terminal 40 via a dielectric element 30, and a shielded cable 50 is connected therewith.
  • a side (right side in FIG. 1) of the connector 10 to be connected with an unillustrated mating connector is referred to as a front side and an opening direction (an upward direction in FIG. 1) of an outer crimping portion 45 before being assembled is referred to as an upward direction.
  • the shielded cable 50 is constructed such that an insulating element 53 is provided between an inner conductor 51 formed e.g. by bundling a plurality of strands and an outer conductor 52 made e.g. of a braided wire and/or a metal sheath and the outer surface of the outer conductor 52 is surrounded by a sheath 54 made of, e.g. vinyl (see FIG. 1).
  • the inner conductor 51 is connected or connectable with the inner terminal 20, whereas the outer conductor 52 is connected or connectable with the outer terminal 40.
  • the inner terminal 20 preferably is a female terminal as shown in FIG. 1 and is electrically conductive.
  • a front part of the inner terminal 20 is a tab portion 21 engageable with an unillustrated female terminal and a tapered surface is formed at the leading end thereof.
  • a biting or engaging projection 23 for securing the inner terminal 20 by biting into or engaging the upper wall of a accommodating hole 31 when being inserted into the dielectric element 30 to be described later.
  • Behind the biting projection 23 is provided an inner crimping portion 24 to be fastened to the inner conductor 51.
  • the dielectric element 30 is made of an insulating material such as resin, and is electrically insulated from the inner and outer terminals 20, 40. Inside the dielectric element 30 is defined the accommodating hole 31 for fixing the inner terminal 20 accommodated therein. In order to be fixed in the outer terminal 40, the upper wall of the dielectric element 30 is formed with a locking recess 32 and the bottom wall thereof is formed with a contact portion 33 (see FIG. 1).
  • the outer terminal 40 is formed e.g. by bending an electrically conductive plate, and a front part thereof is an accommodating portion 41 in the form of a rectangular tube.
  • a substantially elastically deformable locking portion 42 and a contact piece 49 are provided on the upper and bottom walls of the accommodating portion 41, respectively.
  • Contact pieces 43 for substantially elastically contacting an unillustrated shielded connector and locking it are provided on the left and right side walls.
  • stabilizers 44 projecting outward along the transverse direction of the accommodating portion 41 are provided to position the shielded connector 10 while it is inserted into an unillustrated connector housing and to substantially stably fix the shielded connector 10 in the connector housing after insertion.
  • Behind the stabilizers 44 is provided an outer crimping portion 45 to be fastened to a folded portion 55 of the outer conductor 52 of the shielded cable 50, wherein the outer crimping portion 45 is providable at least partly in correspondence or overlapping with the folded portion 55.
  • the outer crimping portion 45 is substantially fully provided in a position corresponding to the folded portion 55.
  • the outer crimping portion 45 is provided with a pair of preferably substantially strip-shaped crimping pieces 46, 47 extending from a bottom portion 48 as shown in FIG. 2.
  • the crimping pieces 46, 47 are spaced gradually wider and slanted surfaces are formed at the leading ends thereof.
  • the crimping pieces 46, 47 preferably have a length sufficient to substantially surround shielded cables of various diameters.
  • the sheath 54 is stripped at one end of the shielded cable 50 to partly expose the outer conductor 52, which is then substantially folded back at least partly over the sheath 54, thereby forming a folded portion 55 (see FIG. 1).
  • the insulating element 53 of the shielded cable 50 is stripped to partly expose the inner conductor 51, to which the inner crimping portion 24 of the inner terminal 20 is then fastened or fastenable.
  • the dielectric element 30 is at least partially inserted into the accommodating portion 41 of the outer terminal 40 from front. Then, the contact portion 33 substantially comes into contact with the contact piece 49 and the locking portion 42 substantially slips into the locking recess 32, thereby substantially locking the dielectric element 30 in a specified position in the accommodating portion 41.
  • the biting projection 23 bites or engages into the upper wall of the accommodating hole 31 to stably fix the inner terminal 20 (see FIG. 5).
  • the folded portion 55 is placed on the bottom portion 48 of the outer terminal.
  • the crimping pieces 46, 47 are preferably most narrowly spaced at their bases near the bottom portion 48 as shown in FIG. 3, the folded portion 55 will not be displaced in widthwise direction since being held between the bases of the crimping pieces 46, 47.
  • the shielded connector 10 in the state of FIG. 3 is placed in an unillustrated crimper or folding device.
  • the crimping pieces 46, 47 are brought into substantially close contact with the outer surface of the folded portion 55.
  • crimping is performed such that the end of the crimping piece 47 is placed on that of the crimping piece 46 (see FIG. 6). Since the leading ends of the crimping portions 46 are formed into slanted surfaces, the ends of the crimping pieces 46, 47 to be preferably placed one over the other can be easily held in close contact.
  • the sheath 54 is compressively deformed in radial directions during crimping.
  • the crimping pieces 46, 47 preferably are slightly restored upon completion of crimping as described above.
  • the outer crimping portion 45 squeezes the folded portion 55.
  • the elastic deformation of the sheath 54 surrounded by the outer crimping portion 45 is preferably substantially cancelled as the crimping pieces 46, 47 are restored.
  • the outer conductor 52 over the sheath 54 is held in close contact with the crimping pieces 46, 47 by an elastic force of the sheath 54 as shown in FIG. 6. Accordingly, a sufficient electrical connection is established between the folded portion 55 and the crimping pieces 46, 47 and a sufficient fastening force can be obtained.
  • the shielded connector 10 of this embodiment it is not necessary to separately provide the sheath crimping portion as in the prior art since the outer crimping portion 45 provides sufficient electrical connection and fastening force.
  • the shielded connector 10 can be made smaller by shortening its entire length.
  • the shielded connector 10 can preferably deal with shielded cables 50 of different outer diameters by adjusting the overlapping length of the crimping pieces 46, 47. Shielded cables 50 of different specifications can also be dealt with by the shielded connector 10 of this embodiment.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (5)

  1. Abgeschirmter Verbinder, welcher mit einem abgeschirmten Kabel (50) verbindbar ist, in welchem Kabel ein isolierendes Element (53) zwischen inneren und äußeren Leitern (51, 52) vorgesehen ist und die äußere Oberfläche durch eine Ummantelung bzw. Umhüllung (54) abgedichtet ist, wobei der Verbinder umfaßt:
    einen inneren Anschluß (20), weicher mit dem inneren Leiter (51) verbindbar ist,
    einen äußeren Anschluß (40), welcher adaptiert ist, um wenigstens teilweise den inneren Anschluß (20) aufzunehmen, wobei ein dielektrisches Element (30) dazwischen vorgesehen ist und mit dem äußeren Leiter (52) verbindbar ist,
    wobei der äußere Anschluß (40) einen crimpenden bzw. Crimpabschnitt (45) umfaßt, welcher an dem äußeren Leiter (52) festzulegen ist, welcher über die Ummantelung (54) des abgeschirmten Kabels (50) rückgefaltet ist, wodurch er sowohl an dem äußeren Leiter (52) selbst als auch an der Ummantelung (54) festgelegt ist,
    dadurch gekennzeichnet, daß
    der crimpende Abschnitt (45) wenigstens ein Paar von crimpenden bzw. Crimpstücken (46, 47) umfaßt, welche so gecrimpt sind, um im wesentlichen den äußeren Leiter (52) zu umgeben, welcher über die Ummantelung (54) rückgefaltet ist, und das Ende eines ersten crimpenden Stücks (47) über demjenigen eines zweiten crimpenden Stücks (46) anzuordnen.
  2. Abgeschirmter Verbinder nach Anspruch 2, wobei sich die wenigstens zwei crimpenden Stücke (46, 47) von einer Bodenoberfläche (48) des crimpenden Abschnitts (45) erstrecken, während sie weiter voneinander zu den vorderen Enden davon beabstandet sind.
  3. Abgeschirmter Verbinder nach Anspruch 2 oder 3, wobei vordere Enden der crimpenden Stücke (46, 47) geneigt bzw. abgeschrägt sind.
  4. Verfahren zum Verbinden eines abgeschirmten Verbinders (10), welcher einen inneren Anschluß (20), einen äußeren Anschluß (40) und ein dielektrisches Element (30) dazwischen vorgesehen aufweist, mit einem abgeschirmten Kabel (50), in welchem ein isolierendes Element (53) zwischen inneren und äußeren Leitern (51, 52) vorgesehen wird und die äußere Oberfläche durch eine Umhüllung bzw. Ummantelung (54) abgedeckt wird, umfassend die folgenden Schritte:
    Abziehen der Ummantelung (54), um teilweise den äußeren Leiter (52) freizulegen;
    Rückfalten eines Abschnitts des äußeren Leiters (52) wenigstens teilweise auf die Ummantelung (54), um einen gefalteten Abschnitt (55) auszubilden;
    Crimpen des abgeschirmten Verbinders (10) auf das abgeschirmte Kabel (50), indem ein crimpender Abschnitt (45) des äußeren Anschlusses (40) im wesentlichen in unmittelbaren Kontakt mit dem gefalteten Abschnitt (55) gebracht wird,
    dadurch gekennzeichnet, daß
    in dem Crimpschritt zwei oder mehr crimpende bzw. Crimpstücke (46, 47) des crimpenden Abschnitts (45) so gecrimpt werden, um sich wenigstens teilweise um oder über den äußeren Leiter (52) zu winden, wobei das Ende eines ersten crimpenden Stücks (47) im wesentlichen auf demjenigen eines zweiten crimpenden Stücks (46) angeordnet wird (Fig. 4; Fig. 6).
  5. Verfahren nach Anspruch 5 oder 6, wobei dem crimpenden Abschnitt (45) in dem crimpenden Schritt erlaubt wird, sich geringfügig rückzustellen, so daß die elastische Deformation der Ummantelung (54) entsprechend dem oder in Nachbarschaft des gefalteten Abschnitts (55) entsprechend erlaubt wird, sich elastisch rückzustellen, wobei die elastische Deformation der Ummantelung (54) nicht vollständig aufgehoben wird, so daß eine ausreichende festlegende bzw. Befestigungskraft erhalten werden kann.
EP99123130A 1998-11-19 1999-11-19 Abgeschirmter Verbinder und Verfahren für die Verbindung von einem abgeschirmten Verbinder mit einem abgeschirmten Kabel Expired - Lifetime EP1003244B8 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP32968598A JP3365549B2 (ja) 1998-11-19 1998-11-19 シールド端子
JP32968598 1998-11-19
JP33772398A JP3532428B2 (ja) 1998-11-27 1998-11-27 端 子
JP33772398 1998-11-27
JP34199398 1998-12-01
JP10341933A JP2000160383A (ja) 1998-12-01 1998-12-01 ガス発生装置および電解槽
JP34193398 1998-12-01

Publications (3)

Publication Number Publication Date
EP1003244A1 EP1003244A1 (de) 2000-05-24
EP1003244B1 true EP1003244B1 (de) 2005-04-13
EP1003244B8 EP1003244B8 (de) 2005-08-31

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ID=27340366

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Application Number Title Priority Date Filing Date
EP99123130A Expired - Lifetime EP1003244B8 (de) 1998-11-19 1999-11-19 Abgeschirmter Verbinder und Verfahren für die Verbindung von einem abgeschirmten Verbinder mit einem abgeschirmten Kabel

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2019450A1 (de) * 2007-07-26 2009-01-28 3M Innovative Properties Company Verbinder für ein Koaxialkabel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2789279A (en) * 1953-08-07 1957-04-16 Controls Company Electrical connection and method of making the same
US4744769A (en) * 1984-12-20 1988-05-17 Amp Incorporated Closed loop connector
JPH0722054Y2 (ja) * 1990-09-11 1995-05-17 ヒロセ電機株式会社 電気コネクタ
DE69124689T2 (de) * 1991-04-22 1997-09-11 Molex Inc Verbinderanordnung für Koaxialkabel

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Publication number Publication date
EP1003244B8 (de) 2005-08-31
EP1003244A1 (de) 2000-05-24

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