EP1560294B1 - Connecteur pour câble coaxial avec un conducteur extérieur ondulé - Google Patents

Connecteur pour câble coaxial avec un conducteur extérieur ondulé Download PDF

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Publication number
EP1560294B1
EP1560294B1 EP04022694A EP04022694A EP1560294B1 EP 1560294 B1 EP1560294 B1 EP 1560294B1 EP 04022694 A EP04022694 A EP 04022694A EP 04022694 A EP04022694 A EP 04022694A EP 1560294 B1 EP1560294 B1 EP 1560294B1
Authority
EP
European Patent Office
Prior art keywords
cable
connector
sleeve
diameter
connector head
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
EP04022694A
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German (de)
English (en)
Other versions
EP1560294A1 (fr
Inventor
Werner Wild
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.)
Spinner GmbH
Original Assignee
Spinner GmbH
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
Application filed by Spinner GmbH filed Critical Spinner GmbH
Publication of EP1560294A1 publication Critical patent/EP1560294A1/fr
Application granted granted Critical
Publication of EP1560294B1 publication Critical patent/EP1560294B1/fr
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
    • 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
    • H01R9/0521—Connection to outer conductor by action of a nut
    • 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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • 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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/56—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency specially adapted to a specific shape of cables, e.g. corrugated cables, twisted pair cables, cables with two screens or hollow cables
    • H01R24/564—Corrugated cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/56—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency specially adapted to a specific shape of cables, e.g. corrugated cables, twisted pair cables, cables with two screens or hollow cables
    • H01R24/566—Hollow cables
    • 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
    • H01R9/0527—Connection to outer conductor by action of a resilient member, e.g. spring
    • 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 invention relates to a connector for a ring waveguide outer conductor having coaxial cable, with a plug head, the cable side has a conical ring surface, which is intended for inside contacting the front edge region of the cable outer conductor, and with a Jardinaussenleiter enclosing, auffederbaren in the radial direction clamping element in the mounted state is enclosed by a screwed with the plug head pressure member and is loaded axially in the direction of the conical annular surface of the plug head, so that the end edge region of the cable outer conductor between the conical annular surface and a mating surface of the clamping element electrically contacted and mechanically clamped.
  • the conical ring surface of the plug head is formed on the cable-side end edge and the pressure member is a sleeve with an internal thread, which engages in an external thread of the plug head.
  • a connector of this type is known from EP-A-0 798 815.
  • the clamping element is preferably designed as a ring-shaped closed coil spring.
  • a disadvantage of this connector is that at least three items to handle in its assembly, which makes the installation time-consuming. In addition, there is a risk that a part of the connector is lost.
  • this connector has a pressure member, which is preferably designed as a screw-in hollow in a recess of the plug head, but it can also have the form of a auffanenden an external thread of the plug head cap sleeve.
  • the clamping element consists of a contact sleeve, which is divided by radially extending from its plug-side end, evenly distributed over the circumference, axial slots in radially resilient segments, the cable side thickened heads, the inner surfaces in the assembled state, the end edge region of the ring-waveguide cable outer conductor against an annular surface, preferably a cone ring surface, press the plug head.
  • the pressure member as a hollow screw creates a recess in the plug head in the amount of its annular surface and in the embodiment of the pressure member as a cap sleeve a recess in the latter a clearance for the springing of the heads of the contact sleeve when pushing the connector to the cable, act in both embodiments on the outer circumference of the contact sleeve and on the inner circumference of the pressure member formed annular shoulders together so that the contact sleeve before and during assembly of the connector on the cable to a Ringwellungsön axially slidably seated in the pressure member, but at its final bracing with the plug head of the end edge region of the cable outer conductor between the annular surface of the plug head and the mating surfaces of the thickened heads of the contact sleeve is clamped.
  • the tensioning path is divided by a sealing O-ring in two sections, of which the first corresponds to a pre-assembly state in which the disassemble complete connectors without disassembly and without any additional parts on the coaxial cable (and if necessary also disconnect again).
  • the pressure member At the end of the assembly process, the pressure member only needs to be bolted to the plug head over the length of the second Spannwegabiteses.
  • Connectors of the type described above have comparatively high production costs. The reason for this is not inconsiderable extent the described contact sleeve. In order to accommodate them in the connector, this must have a minimum diameter which can not be undershot and a minimum length on the cable side. In addition, the contact sleeve itself requires numerous manufacturing steps.
  • the invention has for its object to provide a connector of the type mentioned in the introduction, which is mountable without disassembly and can be manufactured at low cost.
  • the plug connector can be pushed onto the ring-corrugated coaxial cable in a preassembled state, as explained below (see figure description).
  • This contact ring fulfills the mechanical and electrical function of the contact sleeve according to DE-C-198 57 528.
  • the outer diameter of the plug head reduces approximately to the value of the larger diameter of the cone ring surface, so is only slightly larger than the diameter of the cable outer conductor in the area a wave mountain.
  • the contact ring is further completely housed inside the formed as a sleeve with internal thread pressure member, in contrast to the contact sleeve of the known connector which partially protrudes on the cable side at least in the disassembled state on the pressure member.
  • the contact ring is a simple turned part with correspondingly low production costs and short construction compared to a contact sleeve, so that the axial length of the threaded sleeve is significantly reduced in comparison to the previous design of the pressure member.
  • the clamping ring has a cross section corresponding to a triangle with truncated tip (claim 2).
  • the clamping ring is thus chamfered on its inner circumference, so that its profile is better adapted to the corrugation profile of the cable outer conductor.
  • the outer diameter of the clamping ring and thus the dependent outer diameter of both the threaded sleeve and the plug head can be reduced.
  • the transition between the larger diameter and the smaller diameter of the inner groove of the threaded sleeve can be formed cone-like (claim 3), either by a facet or by a rounding of the cable-side edge of the inner groove with the larger diameter.
  • the (cable-side) counter surface of the clamping ring may be provided with a facet or rounded.
  • the plug head axially spaced from its cable side end face by about half the distance between two successive wave crests of the cable outer conductor, a circumferential annular shoulder, corresponding to a reduction of the plug inner diameter of the diameter of the cable dielectric to the value required to maintain a constant characteristic impedance value (claim 4 ).
  • the extent of this diameter jump depends, as usual, on the diameter of the connector inner conductor and the type of dielectric between the latter and the inner wall of the connector head.
  • the plug head plug side of its external thread have a circumferential groove whose depth is less than the diameter of an inserted into the groove O-ring (claim 5).
  • this circumferential groove can define a preassembly state in which the plug-side end edge of the sleeve rests against the O-ring and the clamping ring accommodated in the inner groove with the larger diameter leaves free between its shoulder surface and the conical annular surface of the plug head a peripheral gap for receiving the end edge region of the cable outer conductor.
  • the proposed construction of the connector allows it to be used with certain standard types, e.g. the type 7-16, to adapt the outer diameter of the plug head to the inner diameter of the standardized, plug-in fferübersches such that the fferübersch can be pushed from the cable side to the plug head.
  • the fferübersch then sits without further mechanical measures captive on the plug head, wherein the smallest inner diameter of the former equal to the outer diameter of the latter plus a tolerance gap is (claim 7).
  • an elastic profile seal can be arranged in the sleeve, which has at least one annular lip, which comes to rest after pushing the connector on the cable in a trough of the cable outer conductor and after clamping of the connector with the cable by screwing the threaded sleeve on the plug head the cable outer conductor approximately in height of a wave crest tightly encloses (claim 8).
  • the sealing can also be accomplished in the usual way by means of an O-ring pushed onto the cable sheath as a separate part or by spraying with a polymerizing sealant.
  • the profile seal in the sleeve is positively fixed (claim 9), e.g. by complementary profiling of the corresponding inner wall region of the sleeve and of the outer circumference of the profile seal.
  • the profile seal may be formed sleeve-shaped and the cable side, axially spaced from its lip, have at least one further lip, which is intended for sealing engagement with the cable sheath (Claim 10).
  • the connector shown in Figure 1 comprises a substantially hollow cylindrical plug head 1, which encloses a connector inner conductor 2, which in turn is held in an insulating material 3.
  • the cable-side end of the connector inner conductor 2 is designed to be gradually tapered for insertion into a tubular cable inner conductor (see also Fig. 2) and carries a slightly conical and resiliently in the radial direction of the contact pot 22. This training the connector inner conductor is not part of the invention.
  • the plug head 1 ends on the cable side in a conical ring surface 11, which, starting from the cylindrical peripheral surface of the plug head 1, is located on the mantle of an imaginary cone, the tip of which lies on the cable side of the plug head 1 on its dashed line AA.
  • the peripheral surface of a recess 12 connects, which has a larger diameter than the subsequent cylindrical interior 13 of the plug head 1 has.
  • the diameter of the recess 12 is substantially equal to the diameter of the cable dielectric (see Fig. 2).
  • the plug head 1 has on the outside following the conical ring surface, an external thread 14 which extends to a groove 15 into which an O-ring 5 is inserted, the diameter of which is slightly larger than the depth of the groove 15 in the unloaded state.
  • a threaded sleeve 4 provided with a corresponding internal thread 4 is screwed onto the external thread 14 of the plug head 1 so far that its plug-side end face is in contact with the O-ring 5.
  • the threaded sleeve 4 has a first inner groove 4.1, the plug-side flank in this preassembled state is approximately at the level of the blade-like edge of the conical annular surface 11.
  • This inner groove 4.1 merges into a second inner groove 4.2 with a smaller inner diameter.
  • the transition is designed as a rounding 4.3.
  • the clamping ring 6 In the inner groove 4.1 sits loosely a clamping ring 6 made of a resilient metal alloy, e.g. Bronze. At one point of its circumference, the clamping ring 6 has a slot 6.1. Instead, as shown, axially, the slot may also be oblique, i. at an angle of e.g. 45 ° to the longitudinal axis A-A of the connector run.
  • the clamping ring 6 has an approximately triangular cross section, with inwardly pointing tip, which, however, is broken by a chamfer 6.2, cf. Detail "X".
  • the threaded sleeve 4 On the cable side of the inner groove 4.2, the threaded sleeve 4 has an enlarged inner diameter and a retracting annular collar 4.4 for positive reception of a sleeve-shaped profile seal 7, at its plug-side end to a re-entrant annular lip 7.1 and at its cable end to a second, recessed annular lip 7.2 is formed.
  • Figure 2 shows the same connector after sliding onto the mating end of a coaxial cable comprising a tubular inner cable conductor 50, a cable dielectric 51, an outer corrugated cable conductor 52 and a cable sheath 53.
  • the plug-side end edge 52.1 of the height of a wave crest of the cable outer conductor 52 remote (cut) cable was previously flared slightly with a simple, not shown here tool.
  • the front edge region of the cable outer conductor 52 assumes the position shown between the conical annular surface 11 of the plug head 1 and the conical counter surface 6.3 of the clamping ring 6, after which the end edge 52.1 by running onto the conical annular surface 6.4 of the clamping ring 6 (see. "X" in FIG.
  • the rounding 4.3 has first moved the clamping ring 6 in the direction of the plug head 1 and at the same time so far compressed in the radial direction that the second inner groove 4.2 now engages over the clamping ring 6 and tightly encloses.
  • the proposed construction allows, for example, in a connector of the standard type 7-16 to keep the outer diameter of the plug head 1 so small that a ringübersch 30 can be pushed with the standard dimensions of the cable side on the plug head 1 and then by screwing the threaded sleeve 4 is held captive on the cable side, without the need for a further mechanical fuse, unlike the same type connectors of the previous type, in which the plug head has a larger outer diameter by design, so that he provided in the amount of fferübersches with a circumferential groove and the fferübersch an inner collar had to be formed by rolling into this circumferential groove.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (10)

  1. Connecteur enfichable pour des câbles coaxiaux comportant un conducteur extérieur (52) présentant des ondulations annulaires, du type comportant une fiche (1) qui, sur son côté tourné vers le câble, a une surface conique annulaire (11) destinée à contacter de l'intérieur la région du bord frontal du conducteur extérieur (52) du câble, ainsi qu'un élément de serrage entourant le conducteur extérieur du câble et apte à rebondir suivant la direction axiale qui, à l'état monté, est entouré par un organe de compression apte à être vissé sur la fiche (1) et est sollicité suivant la direction de la surface conique annulaire (11) de la fiche (1) de manière à assurer la connexion électrique et le serrage mécanique de la région du bord frontal du conducteur extérieur (52) du câble située entre la surface conique annulaire (11) et une surface complémentaire de l'élément de serrage, la surface conique annulaire (11) de la fiche (1) étant formée sur le bord frontal tourné vers le câble de celle-ci et l'organe de compression étant une douille (4) avec un filetage intérieur se mettant en prise avec un filetage extérieur (14) de la fiche (1), caractérisé en ce
    - que l'élément de serrage est une bague de serrage (6) ouverte sur un côté
    - que la bague de serrage est logée dans une rainure intérieure (4.1, 4.2) étagée de la douille (4), laquelle rainure intérieure a un premier diamètre plus important du côté de la fiche et un deuxième diamètre moins important du côté du câble, et
    - que la transition (4.3) entre les deux diamètres de la rainure intérieure (4.1, 4.2) étagée coopérant avec le bord frontal situé du côté du câble de la bague de serrage est conçue de telle sorte que la bague de serrage est comprimée radialement pendant le vissage de la douille (4) sur la fiche (1), et
    - qu'en fin de vissage de la douille (4) le flanc côté câble de la rainure intérieure (4.2) vient en appui contre le bord côté câble de la bague de serrage (6) qui est ainsi pressée axialement contre la région du bord frontal du conducteur extérieur (52) du câble, assurant de cette manière le serrage mécanique et la connexion électrique.
  2. Connecteur enfichable selon la revendication 1, caractérisé en ce que la bague de serrage (6) a une section transversale correspondant à un triangle à la pointe émoussée.
  3. Connecteur enfichable selon la revendication 1 ou 2, caractérisé en ce que la transition entre le diamètre plus important et le diamètre moins important de la rainure intérieure (4.1, 4.2) est conformée en forme de cône.
  4. Connecteur enfichable selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la fiche (1) a un épaulement annulaire circonférentiel correspondant à une réduction du diamètre intérieur de la fiche par rapport au diamètre du diélectrique (51) du câble à une valeur nécessaire pour maintenir une impédance caractéristique constante, cet épaulement étant distant de la surface frontale côté câble de la fiche d'une distance correspondant environ à la moitié de la distance séparant deux crêtes d'ondulations consécutives du conducteur extérieur (52) du câble.
  5. Connecteur enfichable selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la fiche (1) a, sur le côté de son filetage extérieur (14) tourné vers la fiche, une rainure circonférentielle (15) d'une profondeur inférieure au diamètre d'un joint torique (5) placé dans la rainure.
  6. Connecteur enfichable selon la revendication 5, caractérisé en ce que la rainure circonférentielle (15) définit un état de prémontage dans lequel le bord frontal côté fiche de la douille (4) est en appui contre le joint torique (5) et que la bague de serrage (6) reçue dans la rainure intérieure de diamètre plus important (4.1) ménage entre sa face complémentaire (6.3) et la surface conique annulaire (11) de la fiche une fente circonférentielle destinée à recevoir la région du bord frontal du conducteur extérieur (52) du câble.
  7. Connecteur enfichable selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'un chapeau (30) dont le plus petit diamètre intérieur est environ égal au diamètre extérieur de la fiche (1) est vissé sur la fiche (1) de manière à ne pas pouvoir le perdre.
  8. Connecteur enfichable selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'un joint profilé (7) élastique est disposé dans la douille (4), ce joint profilé ayant au moins une lèvre annulaire (7.1) qui vient se loger dans le creux entre deux ondulations du conducteur extérieur (52) du câble une fois que le connecteur enfichable a été enfiché sur le câble et qui entoure de manière étanche le conducteur extérieur du câble environ à la hauteur de la crête d'une ondulation une fois que le connecteur enfichable a été serré sur le câble par vissage de la douille (4) sur la fiche (1).
  9. Connecteur enfichable selon la revendication 8, caractérisé en ce que le joint profilé (7) est fixé par coopération de formes dans la douille (4).
  10. Connecteur enfichable selon la revendication 8 ou 9, caractérisé en ce que le joint profilé (7) est conformé en forme de douille et qu'il a, sur son côté tourné vers le câble, axialement distante de sa lèvre (7.1), au moins une lèvre supplémentaire (7.2) destinée à venir en appui étanche sur l'enveloppe (53) du câble.
EP04022694A 2004-01-29 2004-09-23 Connecteur pour câble coaxial avec un conducteur extérieur ondulé Expired - Lifetime EP1560294B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004004567A DE102004004567B3 (de) 2004-01-29 2004-01-29 Steckverbinder für Koaxialkabel mit ringgewelltem Außenleiter
DE102004004567 2004-01-29

Publications (2)

Publication Number Publication Date
EP1560294A1 EP1560294A1 (fr) 2005-08-03
EP1560294B1 true EP1560294B1 (fr) 2006-11-02

Family

ID=34638802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04022694A Expired - Lifetime EP1560294B1 (fr) 2004-01-29 2004-09-23 Connecteur pour câble coaxial avec un conducteur extérieur ondulé

Country Status (4)

Country Link
US (1) US7008264B2 (fr)
EP (1) EP1560294B1 (fr)
CN (1) CN1649209A (fr)
DE (2) DE102004004567B3 (fr)

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US7008264B2 (en) 2006-03-07
US20050170693A1 (en) 2005-08-04
CN1649209A (zh) 2005-08-03
DE502004001893D1 (de) 2006-12-14
DE102004004567B3 (de) 2005-08-18
EP1560294A1 (fr) 2005-08-03

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