EP1422790B1 - Koaxialverbinder, insbesondere 7/16 genormter Verbinder - Google Patents

Koaxialverbinder, insbesondere 7/16 genormter Verbinder Download PDF

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Publication number
EP1422790B1
EP1422790B1 EP03292861A EP03292861A EP1422790B1 EP 1422790 B1 EP1422790 B1 EP 1422790B1 EP 03292861 A EP03292861 A EP 03292861A EP 03292861 A EP03292861 A EP 03292861A EP 1422790 B1 EP1422790 B1 EP 1422790B1
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EP
European Patent Office
Prior art keywords
cable
diameter
connector
core
cavity
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.)
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Application number
EP03292861A
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English (en)
French (fr)
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EP1422790A1 (de
Inventor
Michel Taton
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Delta Ohm
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Delta Ohm
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    • 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
    • H01R24/42—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 comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/44—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 comprising impedance matching means or electrical components, e.g. filters or switches comprising impedance matching means
    • 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
    • H01R9/0503—Connection between two 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 invention relates to coaxial connectors, and more particularly to connectors intended to be mounted at the end of a coaxial cable.
  • type "7/16" connectors which are 50 ⁇ coaxial connectors precisely defined by the IEC169-4 standard: these are connectors for radio frequencies whose outside diameter of the inner conductor ( connector core) is 7 mm, and the inside diameter of the outer conductor is 16 mm. These connectors are used in particular in the field of radiotelephony (GSM, UMTS, etc.) for connecting equipment relay stations and other organs of terrestrial and aerial parts of the network.
  • GSM radiotelephony
  • All these connectors whether male or female, have a side called “interface side” corresponding to their free end intended to cooperate with another connection member (connector or base), and an opposite side or “cable side” which is where they are connected to the coaxial cable at the end of which they are mounted.
  • the connector For mounting the connector on the end of the coaxial cable, it may be rational to operate in two steps, with a first preparation step where the central core of the coaxial cable is first welded or crimped onto the inner conductor of the coaxial cable. connector, followed by a second stage of assembly at all in the connector body (forming the outer conductor of the connector), by the cable side.
  • One of the aims of the invention is to propose a coaxial connector structure which eliminates these drawbacks and makes it possible to produce a coaxial connector with a body which is not necessarily biblock, and therefore advantageously monobloc, and which can to free the transfer of inner diameter of the outer conductor, thus making it possible to comply with the standards of connectors "7/16" or "3.5 / 12" (or other) with a simplified internal geometry and thus more economical to achieve.
  • the invention proposes a connector of the aforementioned type, that is to say a coaxial connector having an interface side adapted to be connected to a homologous connector, and the opposite a cable side adapted to receive an end coaxial cable, this connector comprising: a central cylindrical core forming internal conductor, with interface side a projecting connection portion and cable side a connecting portion adapted to be secured to a central conductor of the coaxial cable, the outer diameter (D 1 ) the connecting portion being a normalized nominal diameter and the inner diameter (D 4 ) of the connecting portion being less than this nominal diameter; a metal body forming an external conductor, with an interface side a cylindrical internal cavity housing the core and, cable side a cable passage receiving the coaxial cable, the inside diameter (D 2 ) of the cavity being a normalized nominal diameter and the diameter of the cable passage being less than this nominal diameter; and a cylindrical dielectric ring extending radially between the connecting portion of the core and the inner wall of the body cavity.
  • the dielectric ring comprises two separate sleeves, inside and outside, nested one inside the other, the outer sleeve has an outer diameter corresponding to the nominal diameter of the body cavity and a larger inside diameter. to the outer diameter (D 1 ) of the connection portion, and the inner sleeve has an outer diameter corresponding to the outer diameter of the inner sleeve, and an inner diameter corresponding to the diameter of the portion of connection of the soul.
  • the connector body can thus advantageously be a one-piece piece devoid of removable element cable side.
  • the connecting portion of the central core is preferably integral with the connecting portion receiving the end of the core of the coaxial cable.
  • the cavity of the body receiving the outer sleeve may carry on its inner surface notches adapted to allow the fastening of the outer sleeve after insertion by force of the latter into the cavity.
  • the connecting portion of the core can carry on its outer surface notches adapted to allow its insertion force on the inner sleeve and the connection to the latter after insertion.
  • the adjustment between the outer diameter of the inner sleeve and the inner diameter of the outer sleeve is an adjustment allowing a relative axial sliding, without play, of the two sleeves. It is then possible to provide on the body, on the cable side, an abutment face rotated axially and positioned axially so that, after complete insertion of said first assembly into said second assembly, the front face of the cable insulation comes to bear against the abutment face and the respective end faces of the outer and inner sleeves are then flush on the interface side.
  • Figure 1 is a longitudinal sectional view, in an axial plane, of a male connector according to the invention mounted at the end of the cable.
  • Figure 2 is homologous to Figure 1, for a female connector.
  • FIG. 3 is an overall perspective view illustrating the mounting, by the cable side, of the inner cable-conductor assembly in the body of FIG. connector.
  • Figure 1 is a longitudinal section, through an axial plane, of a male connector according to the invention, mounted at the end of a coaxial cable.
  • Figure 2 illustrates the same type of connector, but female type; in this FIG. 2, the same reference numerals denote elements that are identical or functionally similar to those of FIG. 1, so that FIG. 2 will not be described again in detail, except to underline the particularities related to the type different connector.
  • This central core 12 is surrounded by an internal insulator 14, and a ground conductor 18, forming the outer conductor of the coaxial cable, is interposed between this internal insulator 14 and the outer insulator 16 defining the outer surface, cylindrical, of the coaxial cable. 10.
  • this coaxial cable 10 is connected to a standard connector "7/16" male ( Figure 1) or female ( Figure 2) impedance characteristic 50 ⁇ identical to that of the cable, and consisting of a central cylindrical core 100, defining the inner conductor of the connector, and a metal body 200, for example silver solid brass, forming the outer conductor of this connector.
  • the central core 100 comprises a connection member 102 terminated on the interface side by a protruding portion 104 (for the male connector, FIG. 1) or a hollow portion 106 provided with elastic parallel blades (for the female element, FIG. 2).
  • the central core 100 is extended, cable side, by a cylindrical portion 110 carrying a hollow pin 112, monobloc or not with the element 110, adapted to receive the end 12 of the core of the coaxial cable, which will be crimped or welded on this pin 112.
  • the connector body 200 has interface side a cylindrical protruding portion 202 being inserted into a homologous cylindrical housing 204 of the female connector ( Figure 2).
  • This standardized cavity 206 may consist of a bore machined directly in the central portion 208 of the connector body 200 (as for the female connector illustrated in FIG. 2) or, alternatively, may be machined in a part 210 attached inside the this central portion 208 (as for the male connector shown in Figure 1).
  • the connector body is extended, cable side, by a tubular portion 212 terminated at its free end by a housing 214 of diameter slightly greater than the diameter D 3 of the cable 10, so as to accommodate the latter with its external insulation 16 , then overmold the whole to ensure the tightness between cable and connector.
  • This cavity also has, at the place where the internal insulation 14 will abut after mounting the cable, a reference face 216 extending radially and facing the opening of the cavity; we will expose below the role of this reference face at the time of final assembly of the connector.
  • One of the elements of the connector here the male element illustrated in FIG. 1, is provided with an external locking ring 218, for example a ring carrying a tapping 220 allowing the ring to be screwed onto the connector.
  • an external locking ring 218 for example a ring carrying a tapping 220 allowing the ring to be screwed onto the connector.
  • homologous female provided with an external thread 222 ( Figure 2), or a base or connection board configured in a similar manner and mounted for example on a housing.
  • O-rings 224 and / or 226 may be provided to reinforce the seal between, respectively, the connector and the homologous element to which it is screwed (seal 224), and between the body and the sheath. overmolding surrounding the rear part of the latter (seal 226).
  • the connector is also provided with a dielectric ring 300 extending radially between the central core of the conductor 100 and the cavity 206 of the connector body 200, so as to ensure the mechanical maintenance, in the axis, of the core. 100 with retention of the characteristic impedance provided by the standard.
  • This dielectric ring is for example made of PTFE.
  • the dielectric ring 200 is made in the form of two separate sleeves nestable into one another, with an outer sleeve 302 and an inner sleeve 304.
  • the outside diameter of the outer sleeve 302 is chosen so as to allow it to be forcefully inserted into the inner housing 206 of the body 200, with advantageously on the inner surface of the cavity 206 receiving the outer sleeve 302 peripheral notches such as 228 for reinforcing the mechanical fastening of this outer sleeve 302 with the connector body 200.
  • the inside diameter of the inner sleeve 304 is chosen so as to require a force insertion on the tubular element 112, possibly using peripheral notches (not shown).
  • the outside diameter of the inner sleeve 304 is equal to or greater than the diameter D 1 of the central core 100 of the connector, so that this core does not create an obstacle at the time of insertion into the inner housing of the sleeve outside 302.
  • the inside diameter of the outer sleeve 302 and the outer diameter of the inner sleeve 304 are determined so as to allow fitting of these two parts with an adjustment allowing relative axial sliding, freely but without play.
  • the first step is to prepare the end of the cable 10, the outer insulation 16 and the inner insulation 14 have been previously stripped so as to let emerge the central core 12 and the inner insulation 14 on a precisely defined length in the axial direction.
  • the core 12 of the conductor is electrically and mechanically secured, for example by brazing or crimping, to an assembly consisting of the central core of the connector (elements referenced 102, 110 and 112 in the figures) on which was previously fitted, by for example, the press, the inner dielectric sleeve 304. This assembly is illustrated generally in FIG.
  • the connector body 200 is prepared by providing it with the outer ring 302, the latter being, for example, forced into the press. This gives a set referenced B in FIG.
  • the next step of final assembly is to introduce part A (ie the cable with the core of the connector and the inner dielectric sleeve) into part B (i.e. connector body provided with the outer dielectric sleeve) by the cable side, that is to say by the rear cavity 214 of the connector body.
  • part A ie the cable with the core of the connector and the inner dielectric sleeve
  • part B i.e. connector body provided with the outer dielectric sleeve
  • the inner sleeve 304 penetrates freely into the central opening of the outer sleeve 302, and its sliding is continued until, on the interface side, the respective end faces 308, 310 ( Figure 1) of the two sleeves 302, 304 come flush in their final position.
  • the precise positioning of the two sleeves is obtained by giving to the dimension L (FIG. 1), defined between the rear radial face of the outer sleeve 302 and the reference face 216, a value such that, when the inner insulation 14 abuts against this face 216, the two sleeves (and therefore, by the same token, the central core 100) reach their final axial position.
  • the assembly thus obtained may finally be joined by brazing between the tubular portion 212 of the connector body and the outer conductor 18 of the cable, and then molded with insulation covering the cable and the rear portion of the connector, so as to ensure a seal of the assembly, other techniques can of course be considered, for example the use of a gland.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Communication Cables (AREA)
  • Waveguide Aerials (AREA)

Claims (7)

  1. Koaxialverbinder mit einer Schnittstellenseite, die mit einem entsprechenden Verbinder verbunden werden kann, und auf der Gegenseite mit einer Kabelseite, die ein Ende eines Koaxialkabels aufnehmen kann, wobei der Verbinder Folgendes aufweist:
    - eine zentrale zylindrische Seele (100), die einen Innenleiter bildet, mit, auf der Schnittstellenseite, einem vorstehenden Verbindungsabschnitt (102, 104, 106) und, auf der Kabelseite, einen Einbindungsabschnitt (112), der mit einem zentralen Leiter (12) des Koaxialkabels (10) verbunden werden kann, wobei der Außendurchmesser (D1) des Verbindungsabschnittes (102, 104, 106) ein genormter Nominaldurchmesser ist und der Innendurchmesser des Einbindungsabschnittes (D4) geringer als dieser Nominaldurchmesser ist,
    - einen einen Außenleiter bildenden Metalfkörper (200) mit, auf der Schnittstellenseite, einem zylindrischen Innenhohlraum (206), der die Seele beherbergt, und, auf der Kabelseite, einem Kabeldurchgang (212), der das Koaxialkabel (10) aufnimmt, wobei der Innendurchmesser (D2) des Hohlraums (206) ein genormter Nominaldurchmesser ist und der Durchmesser des Kabeldurchgangs geringer als dieser Nominaldurchmesser ist, und
    - einen zylindrischen dielektrischen Ring (300), der sich radial zwischen dem Einbindungsabschnitt (112) der Seele (100) und der Innenwand des Hohlraums (206) des Körpers (200) erstreckt,

    wobei der Verbinder dadurch gekennzeichnet ist, dass
    - der dielektrische Ring (300) zwei getrennte Hülsen aufweist, innen und außen, die ineinander eingesetzt sind,
    - die Außenhülse (302) einen Außendurchmesser aufweist, der dem Nominaldurchmesser des Hohlraums des Körpers entspricht, und einen Innendurchmesser, der größer als der Außendurchmesser (D1) des Verbindungsabschnittes ist, und
    - die Innenhülse (304) einen Außendurchmesser aufweist, der dem Innendurchmesser der Außenhülse entspricht, und einen Innendurchmesser, der dem Durchmesser des Einbindungsabschnitts der Seele entspricht,
    um so durch den Kabeldurchgang und von der Kabclseite aus die Einführung einer ersten Gesamtheit (A), die durch die Seele (100), welche vorab mit der Innenhülse (304) versehen und mit dem Kabel (10) verbunden wird, gebildet wird, in eine zweite Gesamtheit (B) zu erlauben, die durch den Körper (200) gebildet wird, welcher vorab mit der Außenhülse (302) versehen wird.
  2. Verbinder nach Anspruch 1, in welchem der Verbindungskörper ein einheitliches Stück (200) ohne auf der Kabelseite abmontierbare Elemente ist.
  3. Verbinder nach Anspruch 1, in welchem der Verbindungsabschnitt (102, 104, 106) der zentralen Seele (100) einstückig mit dem Einbindungsabschnitt (112) ist, welcher das Ende (12) der Seele des Koaxialkabels aufnimmt
  4. Verbinder nach Anspruch 1, in welchem der die Außenhülse (302) aufnehmende Hohlraum (206) des Körpers auf seiner Innenfläche Rastmittel (228) trägt, die dazu geeignet sind, die Verbindung der Außenhülse nach Einschub unter Kraft dieser letzteren in den Hohlraum zu erlauben.
  5. Verbinder nach Anspruch 1, in welchem der Einbindungsabschnitt (112) der Seele (110) an seiner Außenfläche Rastmittel trägt, die geeignet sind, dessen Einschub unter Kraft auf die Innenhülse (304) und die Verbindung mit letzterer nach dem Einschub zu erlauben.
  6. Verbinder nach Anspruch 1, in welchem die Justierung zwischen dem Außendurchmesser der Innenhülse (304) und dem Innendurchmesser der Außenhülse (302) eine Justierung ist, die ein relatives axiales Gleiten ohne Spiel der zwei Hülsen erlaubt.
  7. Verbinder nach Anspruch 6, in welchem der Körper (200) auf der Kabelseite eine Anschlagfläche (216) aufweist, die in Axialrichtung gedreht und axial (L) positioniert ist, so dass nach dem vollständigen Einführen der ersten Gesamtheit (10, 100, 304) in die zweite Gesamtheit (200, 302) die Frontseite des Isolationsmittels (14) des Kabels (10) sich gegen die Anschlagfläche abstützt und die jeweiligen Frontseiten (308, 310) der Außen- und Innenhülse (302, 304) auf der Schnittstellenseite bündig sind.
EP03292861A 2002-11-22 2003-11-19 Koaxialverbinder, insbesondere 7/16 genormter Verbinder Expired - Lifetime EP1422790B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0214628 2002-11-22
FR0214628A FR2847727B1 (fr) 2002-11-22 2002-11-22 Connecteur coaxial, notamment connecteur normalise 7/16

Publications (2)

Publication Number Publication Date
EP1422790A1 EP1422790A1 (de) 2004-05-26
EP1422790B1 true EP1422790B1 (de) 2006-03-08

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EP03292861A Expired - Lifetime EP1422790B1 (de) 2002-11-22 2003-11-19 Koaxialverbinder, insbesondere 7/16 genormter Verbinder

Country Status (4)

Country Link
EP (1) EP1422790B1 (de)
AT (1) ATE320094T1 (de)
DE (1) DE60303911D1 (de)
FR (1) FR2847727B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2629226A (en) * 2023-10-06 2024-10-23 Coax Connectors Ltd Coaxial connector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678447A (en) * 1970-06-17 1972-07-18 Amp Inc Coaxial cable connector sub-assembly
US4834676A (en) * 1988-03-01 1989-05-30 Solitron Devices Incorporated Solderless wedge-lock coaxial cable connector
DE19850394A1 (de) * 1998-11-02 2000-05-11 Sihn Jr Kg Wilhelm Koaxialer 7/16-Kuppler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2629226A (en) * 2023-10-06 2024-10-23 Coax Connectors Ltd Coaxial connector

Also Published As

Publication number Publication date
ATE320094T1 (de) 2006-03-15
DE60303911D1 (de) 2006-05-04
EP1422790A1 (de) 2004-05-26
FR2847727B1 (fr) 2005-02-25
FR2847727A1 (fr) 2004-05-28

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