EP3103163B1 - Koaxial-steckverbinderanordnung - Google Patents

Koaxial-steckverbinderanordnung Download PDF

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Publication number
EP3103163B1
EP3103163B1 EP15703930.6A EP15703930A EP3103163B1 EP 3103163 B1 EP3103163 B1 EP 3103163B1 EP 15703930 A EP15703930 A EP 15703930A EP 3103163 B1 EP3103163 B1 EP 3103163B1
Authority
EP
European Patent Office
Prior art keywords
outer sleeve
inner sleeve
sleeve
connector arrangement
arrangement according
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.)
Active
Application number
EP15703930.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3103163A1 (de
Inventor
Werner Hägele
Erik BÄCHLE
Günter Wäller
Stefan Berger
Thomas Haunberger
Mario Günther
Manfred Stolle
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of EP3103163A1 publication Critical patent/EP3103163A1/de
Application granted granted Critical
Publication of EP3103163B1 publication Critical patent/EP3103163B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6275—Latching arms not integral with the housing
    • 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
    • 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
    • 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 coaxial connector arrangement with an electrically conductive outer sleeve and an electrically conductive inner sleeve that can be inserted into the outer sleeve in the axial direction and electrically connected to the outer sleeve, a first contact pin in the outer sleeve from the side facing away from the inner sleeve and a first contact pin in the inner sleeve the side facing away from the outer sleeve a second contact pin can be inserted, and wherein an insulating part is arranged in the inner sleeve, in which an inner conductor part is held, and the two contact pins can be connected to one another in an electrically conductive manner via the inner conductor part.
  • Coaxial connector arrangements of the type mentioned at the outset are used to establish an electrical connection between a first coaxial cable and a second coaxial cable or between a coaxial cable and another electrical assembly.
  • An end region of the first coaxial cable can be inserted with its inner conductor, which forms a first contact pin, from the side facing away from the inner sleeve in the axial direction into the outer sleeve, and in a corresponding manner the inner conductor of a second coaxial cable, which forms a second contact pin, can be inserted from the the side facing away from the outer sleeve can be introduced into the inner sleeve in the axial direction.
  • the two contact pins can usually be inserted into recesses in the inner conductor part and connected to one another in an electrically conductive manner via this.
  • the outer conductors of the two coaxial cables can be electrically connected to the outer sleeve or to the inner sleeve, for example by means of a soldered connection, and then the inner sleeve can be inserted into the outer sleeve, the inner sleeve making electrical contact with the outer sleeve and thereby establishing an electrical connection between the outer conductors of the two coaxial cables.
  • a coaxial cable can also be connected to an electrical assembly by means of such coaxial connector arrangements.
  • the electrical assembly represents one of the two contact pins and the coaxial cable, with the end area of its inner conductor, represents the other Contact pin ready.
  • the contact pin of the electrical assembly can be electrically conductively connected to the contact pin of the coaxial cable via the inner conductor part and corresponding outer conductors of the assembly and of the coaxial cable can be connected to one another in an electrically conductive manner via the outer sleeve and the inner sleeve.
  • the passive intermodulation is influenced, among other things, by the stability of the mechanical connection between the inner sleeve and the outer sleeve.
  • the inner sleeve is therefore screwed into the outer sleeve in many cases.
  • the screw connection reduces the risk of the inner sleeve moving relative to the outer sleeve and thereby impairing the electrical transmission quality.
  • the provision of a screw connection is, however, associated with not inconsiderable manufacturing costs and makes handling of such coaxial connector arrangements more difficult.
  • the radial extension serves at the same time to produce a latching connection between the inner sleeve and the outer sleeve, in that an annular groove is arranged in the area of the radial extension into which an annular latching projection of the outer sleeve dips.
  • a coaxial connector assembly is from US 2010/304579 A1 known.
  • This connector arrangement has a locking element which is fixed on the inner sleeve and has two diametrically opposite, cantilevered locking arms, at the free ends of which a locking projection is arranged in each case.
  • the two locking arms take a section of the outer sleeve facing the inner sleeve between them and engage in an annular groove surrounding the outer sleeve.
  • Such a coaxial connector arrangement is also from US 2010/279536 A1 which discloses a coaxial connector assembly having the features of the preamble of claim 1, and which postpublished EP 2 830 165 A1 known.
  • a coaxial connector arrangement in which a contact socket is surrounded by a socket insulating part which carries a shielding contact on its outside.
  • This assembly can be inserted into an electrically conductive plug part which forms a sleeve and carries a contact spring in the form of a cage spring on the inside.
  • a locking sleeve is used for locking, which dips with a locking projection into a complementary locking groove.
  • the object of the present invention is to develop a coaxial connector arrangement of the type mentioned at the beginning in such a way that it is easy to use and has little passive intermodulation.
  • a locking element is used in addition to the inner sleeve and the outer sleeve, with the aid of which the inner sleeve can be fixed in the outer sleeve and, if necessary, released from the outer sleeve.
  • the locking element thus reduces the risk that the inner sleeve will move relative to the outer sleeve after it has been inserted, thereby negatively influencing the electrical transmission quality of the coaxial connector arrangement.
  • the inventive Coaxial connector arrangement is therefore characterized by a low level of passive intermodulation.
  • the locking element can be mounted on the inner sleeve or on the outer sleeve in a first assembly step. If the inner sleeve is then inserted into the outer sleeve, the locking element can be pushed onto the other of the two sleeves in order to fix the two sleeves relative to one another.
  • the locking element can already assume its end position when the inner sleeve is inserted onto the outer sleeve, or it can be moved into its end position after the inner sleeve has been inserted into the outer sleeve.
  • the locking element is first pre-assembled on the inner sleeve. If the inner sleeve is then inserted into the outer sleeve, the locking element is pushed onto the outer sleeve in the axial direction so far that a releasable mechanical connection between the inner sleeve and the outer sleeve is achieved by means of the locking element to fix the inner sleeve in the outer sleeve.
  • the locking element is first preassembled on the outer sleeve. If the inner sleeve is then inserted into the outer sleeve, the locking element is pushed against the insertion direction of the inner sleeve so far onto the inner sleeve that a detachable mechanical connection is achieved between the inner sleeve and the outer sleeve to fix the inner sleeve in the outer sleeve.
  • the locking element can be optionally mounted on the inner sleeve or on the outer sleeve before the inner sleeve is inserted into the outer sleeve and can be pushed onto the other of the two sleeves during or after the inner sleeve is inserted into the outer sleeve, because this facilitates the assembly of the coaxial connector arrangement, since the user has the option of choosing the optimal pre-assembly of the locking element for the particular application.
  • the inner sleeve can advantageously be fixed in a rotationally fixed manner in the outer sleeve by means of the locking element.
  • the inner sleeve can be fixed axially immovably and non-rotatably in the outer sleeve by means of the locking element.
  • a particularly simple pre-assembly of the locking element either on the inner sleeve or on the outer sleeve is achieved in an advantageous embodiment of the invention in that the locking element can be pushed onto one of the two sleeves before inserting the inner sleeve into the outer sleeve.
  • the locking element can therefore be pushed onto the inner sleeve in a first step, for example, and then pushed onto the outer sleeve when the inner sleeve is inserted into the outer sleeve.
  • the user also has the option of sliding the locking element onto the outer sleeve in a first step. If the inner sleeve is then inserted into the outer sleeve, the locking element is also pushed onto the inner sleeve in order to fix it in a detachable manner in the outer sleeve.
  • the locking element surrounds at least one of the two sleeves, in particular both sleeves, in the circumferential direction.
  • the locking element forms a jacket, for example a cylinder jacket, which completely surrounds at least one of the two sleeves in the circumferential direction after the inner sleeve has been inserted into the outer sleeve.
  • the locking element favorably surrounds both sleeves after the inner sleeve has been inserted into the outer sleeve. This has the advantage that the outer sleeve and the inner sleeve are in the area surrounded by the locking element are protected from environmental influences and mechanical impairments.
  • the locking element surrounds the inner sleeve and / or the outer sleeve in an electrically insulating manner.
  • the locking element can be releasably latched to the inner sleeve and / or to the outer sleeve. It can be provided, for example, that the locking element can be pushed onto one of the two sleeves for pre-assembly and can be locked with this sleeve. Subsequently, when the inner sleeve is inserted into the outer sleeve, the locking element can also be pushed onto the other of the two sleeves and advantageously releasably latched to it.
  • the locking element has a plurality of locking wings which are distributed over the circumference of the locking element and which lock with associated locking elements of the inner sleeve and / or the outer sleeve.
  • the locking wings are deformable in the radial direction and are arranged distributed over the circumference of the locking element.
  • the locking element has three locking wings arranged at a distance from one another in the circumferential direction.
  • the latching wings each interact with an associated latching element in the sense of a latching connection.
  • the latching elements can be designed, for example, in the form of latching depressions, into each of which a latching wing with a latching nose is inserted.
  • the locking elements can be arranged on the inner sleeve so that the locking element can be locked to the inner sleeve by means of the locking wings.
  • the locking elements are arranged on the outer sleeve so that the locking element can be locked to the outer sleeve.
  • the locking element has a plurality of first latching wings that dip into an area between the inner sleeve and the outer sleeve and latch with latching elements that are on the inside the outer sleeve are arranged.
  • the locking elements can be designed in the form of a common annular groove which is arranged on the inside of the outer sleeve.
  • the locking element expediently comprises a plurality of second locking wings which are arranged distributed over the circumference of the locking element and which lock with locking elements which are arranged on the outside of the inner sleeve. It is advantageous here if the locking elements arranged on the outside of the inner sleeve jointly form an annular collar extending over the entire circumference of the inner sleeve.
  • the second latching wings can each have a latching recess into which the annular collar dips.
  • the first and second latching elements are preferably arranged alternately with one another in the circumferential direction of the locking element.
  • a first locking wing which cooperates with a locking element arranged on the inside of the outer sleeve, is followed by a second locking wing, which cooperates with a locking element arranged on the outside of the inner sleeve.
  • the locking element is at least partially elastically and / or plastically deformable in the radial direction.
  • the locking element can be elastically and / or plastically deformed in the radial direction in such a configuration of the invention at least in individual areas.
  • the locking element can be pressed onto the inner sleeve and / or onto the outer sleeve and / or pressed between the inner sleeve and the outer sleeve.
  • a press connection can thus be achieved between the outer sleeve and the locking element and / or between the inner sleeve and the locking element.
  • the locking element has several spring tongues.
  • the spring tongues allow the locking element to be deformed in a structurally simple manner in the radial direction inwards and / or outwards. Such a deformation is particularly advantageous if the locking element is pushed onto the inner sleeve or onto the outer sleeve for pre-assembly.
  • the locking element engages behind a holding surface of the inner sleeve and / or the outer sleeve in the axial direction. This increases the mechanical strength of the mechanical connection between the inner sleeve and the outer sleeve, which is achieved by means of the locking element.
  • the holding surface is advantageously aligned perpendicular to the longitudinal axis of the coaxial connector arrangement.
  • the inner sleeve and / or the outer sleeve have a step pointing radially outward, against which the locking element can be placed with a section engaging behind.
  • the locking element can be mounted on the inner sleeve and on the outer sleeve without tools.
  • the pre-assembly of the locking element on one of the two sleeves and also for the final assembly of the locking element on both sleeves such an embodiment of the invention does not require any special tools.
  • the locking element can first be pressed onto the outer sleeve for pre-assembly and / or locked with the outer sleeve, and that the locking element can also be pressed onto the inner sleeve and / or locked with the inner sleeve when the inner sleeve is inserted into the outer sleeve .
  • the locking element can first be pressed onto the inner sleeve and / or locked to the inner sleeve, and that when the inner sleeve is inserted into the outer sleeve, the locking element can also be pressed onto the outer sleeve or locked to the outer sleeve.
  • the locking element advantageously has a plurality of deformable pressure wings which are arranged at a distance from one another in the circumferential direction of the locking element and can be pressed between the inner sleeve and the outer sleeve.
  • the press wings are arranged at a distance from one another in the circumferential direction of the locking element.
  • the locking element has three pressure wings evenly distributed over the circumference of the locking element.
  • the pressing wings each extend in the circumferential direction over an angular range of approx. 40 ° to 60 °.
  • the press wings are oversized and are pressed together when they are inserted into the receiving space.
  • the press wings are elastically or plastically deformable.
  • the radial expansion is greater than the radial expansion of the receiving space.
  • the pressure wings are overdimensioned along their entire extent in relation to the circumferential direction of the locking element, so that they rest flat against the outer sleeve and the inner sleeve and are pressed together along their entire extent.
  • the pressing wings have several radial elevations arranged at a distance from one another in the circumferential direction of the locking element and, before being pressed into the receiving space extending between the inner sleeve and the outer sleeve, have a radial extension in the area of the radial elevations which is greater than that radial expansion of the receiving space.
  • the pressing vanes are oversized in the area of their radially outwardly and / or radially inwardly directed elevations and are pressed together in the area of these elevations when they are inserted into the receiving space.
  • the inner sleeve contacts the outer sleeve in the inserted state only in at least one contact area of the outer sleeve extending in the circumferential direction of the inner sleeve and the inner sleeve can be acted upon by the locking element with an axial tensile force in the direction of the outer sleeve End of the inner sleeve protruding stop surface rests on the outer sleeve.
  • the inner sleeve in the inserted state is electrically connected to the outer sleeve only in at least one contact area that extends in the circumferential direction of the inner sleeve; however, electrical contact on the end face of the inner sleeve is avoided by placing the insulating part over the free
  • the end of the inner sleeve protrudes and forms a stop surface which rests against the outer sleeve when the inner sleeve is inserted.
  • the front end region of the insulating part in the insertion direction thus forms a spacer element which, in the inserted state of the inner sleeve, ensures a distance between the free end of the inner sleeve and the outer sleeve.
  • the inner sleeve In order to avoid an axial movement of the inner sleeve relative to the outer sleeve, the inner sleeve is acted upon by the locking element with an axial tensile force in the direction of the outer sleeve.
  • the pulling force ensures that the free end of the inner sleeve protruding end of the insulating part maintains its position on the outer sleeve, so the insulating part is pressed by the locking element against the outer sleeve.
  • the outer sleeve When the inner sleeve is inserted into the outer sleeve, the outer sleeve forms a stop with a bottom wall, for example, against which the stop surface of the insulating part protruding beyond the free end of the inner sleeve strikes before the free end of the inner sleeve can contact the bottom wall of the outer sleeve in the axial direction.
  • the insulating part rests on the inner sleeve with a rear stop surface facing away from the outer sleeve, preferably on an inner shoulder of the inner sleeve.
  • the insulating part is clamped between the inner sleeve and the outer sleeve under the action of the axial tensile force of the locking element. This increases the mechanical strength of the coaxial connector arrangement and avoids axial movements of the inner sleeve relative to the outer sleeve.
  • the inner sleeve makes electrical contact with the outer sleeve in the inserted state only in a single contact area, the contact area being arranged on an inside of the outer sleeve and surrounding the inner sleeve in the circumferential direction.
  • Such a configuration is characterized by a particularly low passive intermodulation, because unintentional relative movements of the inner sleeve with respect to the outer sleeve in the axial direction or also in the circumferential direction lead to a very slight impairment of the electrical transmission quality of the coaxial connector arrangement in such a configuration.
  • the contact area of the outer sleeve that extends along the circumference of the inner sleeve is advantageously configured as a cylindrical wall section of the outer sleeve.
  • the cylindrical wall section of the outer sleeve is closed in the direction of the free one At the end of the outer sleeve, the conically widening wall section of the outer sleeve into which the inner sleeve is immersed, the conically widening wall section and the inner sleeve defining an annular space between them.
  • a cylindrical wall section can adjoin the conically widening wall section of the outer sleeve in the direction of the free end of the outer sleeve.
  • the outer sleeve is rigid so that it can practically not be deformed in the radial and axial directions.
  • the outer sleeve is connected in one piece to a housing wall of an electrical assembly.
  • a first contact pin can be inserted into the outer sleeve which is integrally connected to the housing wall via a through opening in the housing wall, the first contact pin being electrically connected to a second contact pin via the inner conductor part after the inner sleeve has been inserted into the outer sleeve.
  • the locking element has an electrically non-conductive spacer which can be inserted between an end section of the outer sleeve facing away from the first contact pin and a region of the inner sleeve that is circumferentially surrounded by this end section in the inserted state.
  • the spacer ensures that the end section of the outer sleeve facing away from the first contact pin cannot inadvertently make electrical contact with the region of the inner sleeve surrounded by this end section.
  • the spacer can be pressed in between the end section of the outer sleeve facing away from the first contact pin and the region of the inner sleeve surrounded by this end section.
  • the spacer not only has the function of providing a distance between the end section facing away from the first contact pin the outer sleeve and the area of the inner sleeve surrounded by this end section, but the spacer also has the function of a clamping member which ensures a mechanically resilient connection between the outer sleeve and the inner sleeve.
  • the locking element has an annular space into which the outer sleeve can be inserted with an end section facing away from the first contact pin.
  • the end section of the outer sleeve facing away from the first contact pin thus assumes a position in the annular space of the locking element in the end position of the locking element.
  • the locking element extends both on the inside and the outside of the end section of the outer sleeve facing away from the first contact pin and on its end face.
  • the end section of the outer sleeve facing away from the first contact pin can preferably be pressed into the annular space.
  • the locking element is advantageously made of an electrically non-conductive material.
  • the electrical transmission quality of coaxial connector arrangements can be impaired by unintentional movements of the inner sleeve relative to the outer sleeve.
  • the coaxial connector arrangement according to the invention has a spring element that can be clamped in the axial direction between facing support surfaces of the inner sleeve and the outer sleeve. When the inner sleeve is inserted into the outer sleeve, the spring element is compressed in the axial direction and thus counteracts the holding force of the locking element which is aligned in the axial direction.
  • the interaction of the locking element and the spring element ensures that the extent of unintentional micro-movements of the inner sleeve relative to the outer sleeve can be kept particularly low.
  • the spring element counteracts axial micro-movements of the inner sleeve and effects tolerance compensation, which compensates for manufacturing inaccuracies in the inner sleeve, the outer sleeve and the locking element.
  • the spring element can be clamped not only in the axial direction but also in the radial direction between two mutually facing support surfaces of the inner sleeve and the outer sleeve. This has the advantage that the spring element can apply both an axial spring force and a radial spring force to the inner and outer sleeves. In this way, any micro-movements of the inner sleeve relative to the outer sleeve can be counteracted particularly effectively.
  • the spring element is favorably supported on radially aligned steps of the inner sleeve and the outer sleeve.
  • the inner sleeve carries an annular groove extending in the circumferential direction in which the spring element is arranged, the spring element protruding in the radial direction from the annular groove and in its protruding area rests against a step of the outer sleeve on which the inner wall rests the outer sleeve expanded in the radial direction.
  • the spring element is supported on the one hand on a shoulder of the inner sleeve and on the other hand on a radially oriented step of the outer sleeve.
  • the spring element preferably surrounds the inner sleeve in the circumferential direction.
  • the spring element is designed as an annular elastomer part.
  • the spring element is made of an elastomer material that ensures elastic deformation of the spring element in a structurally simple manner.
  • the elastomer part is designed in the manner of a ring and, when the inner sleeve is inserted into the outer sleeve, it can assume a position between a support surface of the outer sleeve and a support surface of the inner sleeve.
  • an annular space extending between the inner sleeve and the outer sleeve can be sealed by means of the spring element.
  • the spring element in addition to its resilient function, has a sealing function in that it prevents moisture and dirt particles from penetrating into the annular space extending between the inner sleeve and the outer sleeve.
  • the spring element is designed as an O-ring.
  • the sealing sleeve forms a cylinder jacket which surrounds the inner sleeve in the circumferential direction and is supported, for example, on a shoulder of the inner sleeve and on a step of the outer sleeve.
  • the coaxial connector arrangement 10 comprises an outer sleeve 12 which is made of an electrically conductive material, in particular metal, and forms a socket housing 14 with a first through opening 16 into which a first coaxial cable 18 is inserted.
  • the first coaxial cable 18 has in the usual way an inner conductor 20 and an outer conductor 22, between which a dielectric 24 is arranged.
  • the exposed outer conductor 22 is electrically conductively connected to the outer sleeve 12 in the area of the first through opening 16.
  • the outer conductor 22 is soldered to the outer sleeve 12.
  • the exposed inner conductor 20 protrudes in the axial direction into the outer sleeve 12 and forms a first contact pin 25.
  • the coaxial connector arrangement 10 has an inner sleeve 26 which forms a connector housing 28 and can be inserted into the outer sleeve 12 in the axial direction from the side facing away from the first coaxial cable 18.
  • the inner sleeve 26 has, on its rear side facing away from the outer sleeve 12, a collar-shaped first inner sleeve section 30, which merges into a second inner sleeve section 34 via a first step 32 directed radially outward.
  • the second inner sleeve section 34 has a radially inwardly directed second step 36, and at an axial distance from the second step 36, the second inner sleeve section 34 has an annular groove 38 surrounding the inner sleeve 26 in the circumferential direction.
  • the annular groove 38 is formed by a third step 40 directed radially inward, a groove bottom 42 adjoining the third step 40, and an annular bead 44 adjoining the groove bottom 42.
  • the annular bead 44 of the second inner sleeve section 34 is followed by a third inner sleeve section 46, which has several over the Has the circumference of the inner sleeve 26 evenly distributed axial slots 48, through which the third inner sleeve section 46 is divided into a plurality of first spring tongues 50.
  • the third inner sleeve section 46 is thereby elastically deformable in the radial direction.
  • the third inner sleeve section 46 carries a second annular bead 52, which extends over the circumference of the inner sleeve 26 and is divided into individual annular bead sections 54 by the axial slots 48.
  • the inner sleeve 26 has a radially inwardly pointing inner shoulder 56 which surrounds a second through opening 58 in the circumferential direction.
  • a second coaxial cable 60 can be inserted in the axial direction into the collar-shaped first inner sleeve section 30.
  • the second coaxial cable 60 usually has an inner conductor 62, an outer conductor 64 and dielectric 66 arranged between the inner conductor 62 and the outer conductor 64.
  • the exposed outer conductor 64 can be connected to the first inner sleeve section in an electrically conductive manner.
  • the outer conductor 64 is soldered to the first inner sleeve section 30.
  • An exposed end region of the inner conductor 62 protrudes in the axial direction into the inner sleeve 26 and forms a second contact pin 68.
  • the inner sleeve 26 surrounds with its second inner sleeve section 34 and its third inner sleeve section 26 an insulating part 70 which, with a rear stop surface 72 facing the first inner sleeve section 30, rests on the inner shoulder 56 and that with one over the free end of the inner sleeve 26, i.e. over the second annular bead 52 protruding front stop surface 74 rests against a bottom wall 76 of the outer sleeve 12 having the first through opening 16.
  • the insulating part 70 has a coaxially aligned with the longitudinal axis 78 of the coaxial connector arrangement 10 Through hole in which an electrically conductive inner conductor part 80 is arranged.
  • the inner conductor part 80 has a first blind hole-like recess 82 facing the first coaxial cable 18 and the inner conductor part 80 has a second blind hole-like recess 84 facing the second coaxial cable 60.
  • the second contact pin 68 dips into the second recess 84 and can be electrically connected to the inner conductor part 80, in particular it can be provided that the second contact pin 68 is soldered to the inner conductor part 80 in the area of the second recess 84.
  • a solder deposit (not shown in the drawing) can be arranged in the second recess 84.
  • the first contact pin 25 dips into the first recess 82, an electrically conductive connection being established between the first contact pin 25 and the inner conductor part 80.
  • the first contact pin 25 can be connected in an electrically conductive manner to the second contact pin 68 via the inner conductor part 80.
  • the outer conductor 22 of the first coaxial cable 18 can be connected in an electrically conductive manner via the electrically conductive outer sleeve 12 and the second annular bead 52 to the inner sleeve 26, the first inner sleeve section 30 of which in turn is electrically conductively connected to the outer conductor 64 of the second coaxial cable 60.
  • the outer sleeve 12 On its outside, at a distance from the bottom wall 76, the outer sleeve 12 has a fourth step 86 directed radially outward, which is adjoined by a cylindrical circumferential wall 88 which extends up to an end face 90 of the outer sleeve 12 facing away from the bottom wall 76.
  • the bottom wall 76 is adjoined by a first circular-cylindrical wall section 92, which forms a contact area 94 for the second annular bead 52 of the inner sleeve 26.
  • the contact area 94 surrounds the second annular bead 52 in the circumferential direction. Only through the investment area 94 and the second annular bead 52, the outer sleeve 12 is electrically conductively connected to the inner sleeve 26.
  • a conical wall section 96 of the outer sleeve 12 adjoins the first circular cylindrical wall section 92. In the area of the conical wall section 96, the inner diameter of the outer sleeve 12 expands continuously.
  • the conical wall section 96 is followed by a radially outwardly directed fifth step 98, via which the inner diameter of the outer sleeve 12 expands.
  • a second circular cylindrical wall section 100 of the outer sleeve 12 adjoins the fifth step 98.
  • the second circular cylindrical wall section 100 extends as far as the end face 90 of the outer sleeve 12.
  • the coaxial connector arrangement 10 has a locking element 102 which fixes the inner sleeve 26 in the outer sleeve 12.
  • the locking element 102 is made of an electrically non-conductive material.
  • the locking element 102 is made of the same electrically non-conductive material as the insulating part 70.
  • a polytetrafluoroethylene material can be used to manufacture the locking element 102.
  • the locking element 102 is designed in the manner of a sleeve which, in relation to the longitudinal axis 78 of the coaxial connector arrangement 10, is double-walled at the level of an end section 104 of the outer sleeve 12 adjacent to the end face 90.
  • the locking element 102 has a locking collar 106, which is formed by a plurality of pressing wings that are evenly distributed over the circumference of the inner sleeve 26, one of which is a pressing wing 108 in Figure 6 is shown.
  • the pressing wings 108 are designed in the manner of spring tongues and each have a radially inwardly directed latching projection 110 at their free end, which engages behind the second step 36 of the second inner sleeve section 34.
  • the press wings 108 can be between the end section 104 of the outer sleeve 12 and the second inner sleeve section 34 of the inner sleeve 26 are pressed in.
  • the locking element 102 has one locking wing 112 facing away from the end 90 of the outer sleeve 12, which engages behind the first step 32, via which the first inner sleeve section 30 merges into the second inner sleeve section 34.
  • the locking wings 112 are also designed in the manner of spring tongues.
  • the locking collar 106 is surrounded by a jacket 114 of the locking element 102.
  • the jacket 114 in combination with the locking collar 106, defines an annular space 116 into which the end section 104 of the outer sleeve 12 facing away from the first contact pin 25 is immersed.
  • the jacket 114 extends up to the level of the radially outwardly directed fourth step 86 of the outer sleeve 12, wherein it engages behind the fourth step 86 with the aid of locking lugs 118.
  • the latching lugs 118 are also designed in the manner of spring tongues. They are arranged distributed over the circumference of the inner sleeve 26 and are each separated from one another by longitudinal slots 120 of the jacket 114.
  • the longitudinal slots 120 extend in the axial direction up to a central region of the jacket 114 in the longitudinal direction.
  • the locking element 102 is elastically deformable in the radial direction by using the locking lugs 118 and the pressing wings 108 and the locking wings 112.
  • the locking element 102 can optionally be preassembled on the inner sleeve 26 or also on the outer sleeve 12. This is explained below with reference to the Figures 5 and 6 explained in more detail. The locking element 102 can then be pushed onto the outer sleeve 12 or onto the inner sleeve 26 when the inner sleeve 26 is inserted into the outer sleeve 12.
  • the locking element 102 In its end position, the locking element 102 can be locked both with the inner sleeve 26 and with the outer sleeve 12, the end section 104 can be pressed into the annular space 116 and the pressing wings 108 can be pressed between the inner sleeve 26 and the outer sleeve 12 so that by means of of the locking element 102 a resilient and a releasable mechanical connection between the inner sleeve 26 and the outer sleeve 12 can be achieved for fixing the inner sleeve 26 relative to the outer sleeve 12.
  • the coaxial connector arrangement 10 has a spring element in the form of a O-ring 122, which is arranged in the annular groove 28, wherein it protrudes from the annular groove 38 in the radial direction.
  • the O-ring 122 is made of an elastomer material and is supported on the one hand on the third step 40 of the inner sleeve 26, which delimits the annular groove 38, and on the other hand on the fifth step 98 of the outer sleeve 12, which is arranged between the conical wall section 26 and the second circular cylindrical wall section 100.
  • the O-ring 122 is elastically deformable and is compressed in the axial direction when the locking element 102 assumes its end position.
  • the O-ring 122 By means of the O-ring 122, micro-movements of the inner sleeve 26 relative to the outer sleeve 12 can be kept very small.
  • the O-ring 122 forms a sealing element with which the penetration of moisture into the outer sleeve 12 as well as the penetration of dirt particles can be prevented.
  • An annular space 124 extending between the third inner sleeve section 46 and the conical wall section 96 can be sealed by means of the O-ring 122 in a splash-proof and dust-tight manner.
  • the user can preassemble the locking element 102 either on the inner sleeve 26 or on the outer sleeve 12.
  • Figure 5 a situation is shown in which the locking element 102 in a first step was pushed and pressed onto the inner sleeve 26 so far that the rear locking wings 112 engage behind the first step 32 and the pressing wings 108 the second step 36, so that the locking element 102 to Pre-assembly locked with the inner sleeve 26 and axially is held immovably and non-rotatably on the inner sleeve 26.
  • the O-ring 122 is inserted into the annular groove 38.
  • the preassembled structural unit in the form of the inner sleeve 26, the locking element 102 and the O-ring 122 can then be connected to the outer sleeve 12.
  • the inner sleeve 26 is inserted so far into the outer sleeve 12 that the front stop surface 74 comes to rest on the bottom wall 76 and the second annular bead 58 rests on the contact area 94.
  • the locking element 102 is pushed and pressed onto the outer sleeve 12 in the axial direction so far that the latching lugs 118 engage behind the fourth step 86 of the outer sleeve 12.
  • the locking element 102 acts on the inner sleeve 26 with a force in the direction of the outer sleeve 12, so that the O-ring 122 is slightly elastically deformed and the insulating part 60 is clamped between the bottom wall 76 of the outer sleeve 12 and the inner shoulder 56 of the inner sleeve 26 .
  • the user also has the option of fixing the locking element 102 on the outer sleeve 12 for pre-assembly. This is in Figure 6 shown.
  • the locking element 102 can be pushed and pressed onto the outer sleeve 12 by the user in the axial direction so far that the locking lugs 118 engage behind the fourth step 86 and the end section 104 dips into the annular space 116.
  • the locking element 102 preassembled on the outer sleeve 12 can then be pushed and pressed onto the inner sleeve 26 when the inner sleeve 26 is inserted into the outer sleeve 12 so that the latching wings 112 engage behind the inner sleeve 26 at the first step 32 and the pressing wings 108 between the end section 104 of the outer sleeve 12 and the second inner sleeve section 34 are pressed in and engage behind the inner sleeve 26 at the second step 36.
  • FIG. 7 and 8 a second advantageous embodiment of a coaxial connector arrangement according to the invention is shown, which is assigned the reference numeral 130 as a whole.
  • the coaxial connector arrangement 130 is largely identical to that described above with reference to FIG Figures 1 to 6 described coaxial connector assembly 10.
  • the same reference numerals are used as in Figures 1 to 6 and with regard to these components, reference is made to the preceding explanations in order to avoid repetition.
  • the coaxial connector arrangement 130 differs from the coaxial connector arrangement 10 in that the second inner sleeve section 34 has a constant outer diameter over its entire length in relation to the longitudinal axis 78. In the case of the coaxial plug connector arrangement 130, the second step 36 is thus omitted. Accordingly, the locking collar 106 of the locking element 102 of the coaxial plug connector arrangement 130 does not have any latching projections 110. In the coaxial connector arrangement 130, the locking collar 106 is expanded radially when the locking element 102 is pushed onto the second inner sleeve section 34, that is, the locking collar 106 is pressed onto the second inner sleeve section 34. The locking element 102 reaches its end position when it is pressed onto the second inner sleeve section 34 in that the latching wings 112 engage behind the first step 32, as has already been explained above using the example of the coaxial connector arrangement 10.
  • coaxial connector arrangement 130 Another difference between the coaxial connector arrangement 130 and the coaxial connector arrangement 10 is the design of the spring element. While an O-ring 122 is used in the coaxial connector arrangement 10, a sealing sleeve 132 is used in the coaxial connector arrangement 130, which is made of an elastomer material and is attached on the one hand to an annular shoulder 134 of the inner sleeve 26 and on the other hand to a fifth Step 98 of the outer sleeve 12 is supported.
  • the sealing sleeve 132 already forms in a manner corresponding to that above O-ring 122, explained in detail, consists of a spring and sealing element which counteracts any micro-movements of the inner sleeve 26 and also prevents moisture and dirt particles from penetrating into the outer sleeve 12.
  • the user has the option of pre-assembling the locking element 102 either on the inner sleeve 26 or on the outer sleeve 12. If the locking element 102 is first pushed onto the second inner sleeve section 34 of the inner sleeve 26, the locking element 102 being expanded in the radial direction, the locking element 102 can then be pushed onto the outer sleeve 12 when the inner sleeve 26 is inserted into the outer sleeve 12 until the locking lugs 118 engage behind the fourth step 86 of the outer sleeve 12.
  • the user also has the option of first pushing the locking element 102 onto the outer sleeve 12 for pre-assembly, and then, when the inner sleeve 26 is inserted into the outer sleeve 12, the locking element 102 can be pushed onto the second inner sleeve section 34 of the inner sleeve 26 until the Latching wings 112 of the locking element 102 engage behind the first step 32 of the inner sleeve 26.
  • a third advantageous embodiment of a coaxial connector arrangement according to the invention is shown schematically, which is denoted as a whole by the reference numeral 150.
  • the coaxial connector arrangement 150 is configured largely identically to that described above with reference to FIG Figures 7 and 8 described coaxial connector arrangement 130.
  • the same reference numerals are used as in Figures 7 and 8 and with regard to these components, reference is made to the preceding explanations in order to avoid repetition.
  • the coaxial connector arrangement 150 differs from the coaxial connector arrangement 130 on the one hand in that instead of the sealing sleeve 132, which is only clamped in the axial direction between two mutually facing support surfaces of the inner sleeve 26 and the outer sleeve 12, a sealing sleeve 152 is used, which is clamped both in the axial direction and in the radial direction between mutually facing support surfaces of the inner sleeve 26 and the outer sleeve 12.
  • the sealing sleeve 152 is in the same way as the sealing sleeve 132 in the Figures 7 and 8
  • the illustrated embodiment is clamped between the fifth step 98 of the outer sleeve 12 and the annular shoulder 134 of the inner sleeve 26, and in the radial direction the sealing sleeve 152 is between a cylindrical wall section 154 of the outer sleeve 12, which adjoins the fifth step 98 in the direction of the end face 90, and a is clamped in the direction of the annular bead 54 to the annular shoulder 134 adjoining conical wall section 156 of the inner sleeve 26.
  • the conical wall section 156 is formed by the spring tongues 50 of the inner sleeve 26.
  • the sealing sleeve 152 forms a spring element which counteracts any micro-movements of the inner sleeve 26 relative to the outer sleeve 12 and which also produces a reliable seal so that liquid and dirt particles cannot penetrate into the annular space 124 and consequently also not into the contact area in which the annular bead 52 rests on the circular cylindrical wall section 94 of the outer sleeve 12.
  • the coaxial connector arrangement 130 shown schematically differs from that in FIG Figures 9 and 10
  • the coaxial connector arrangement 150 shown schematically in that the locking element 102 has three pressure wings 158 evenly distributed over the circumference of the locking element 102, which expand radially before the inner sleeve 26 is inserted into the outer sleeve 12 which is greater than the extent of the receiving space 160 which extends between the end section 104 of the outer sleeve 12 and the second inner sleeve section 34 and into which the pressing wings 158 can be pressed.
  • the press wings 158 are oversized, which is shown in FIG Figure 10 is illustrated and that is in the Figures 9 and 10
  • the schematically illustrated embodiment extends over the entire outer side 164 and over the entire inner side 166 of the press wings 158.
  • the pressure wings 158 are here plastically or preferably elastically pressed together and thereby exert a considerable holding force on the inner sleeve 26 and the outer sleeve 12, so that the inner sleeve 12 can practically not perform any micro-movements relative to the outer sleeve 12.
  • the user has the option of pre-assembling the locking element 102 either on the inner sleeve 26 or on the outer sleeve 12.
  • the coaxial connector arrangement 130 to avoid repetition, reference is made to the above explanations of the coaxial connector arrangement 130.
  • a fourth advantageous embodiment of a coaxial connector arrangement according to the invention is shown schematically, which is denoted as a whole by the reference numeral 180.
  • the coaxial connector arrangement 180 is configured largely identically to that described above with reference to FIG Figures 9 and 10 described coaxial connector assembly 150.
  • the same reference numerals are used as in Figures 9 and 10 and with regard to these components, reference is made to the preceding explanations in order to avoid repetition.
  • the coaxial plug connector arrangement 180 differs from the coaxial plug connector arrangement 150 in that pressing wings 182 are used which are only oversized in the area of radially oriented elevations.
  • the pressing wings 182 have two spaced apart, radially outwardly pointing outer elevations 186, 188 on their outer side 184, and on their inner side 190 the pressing wings 182 each have a radially inwardly directed inner elevation 192.
  • the inner elevation 192 of each press wing 182 is arranged centrally between the outer elevations 186 and 188.
  • the pressing wings 182 of the coaxial connector arrangement 180 are not oversized; rather, in the area between the outer elevations 186, 188 and the inner elevation 192, the radial extent of the pressing wings 182 is at most the same as large as the radial extension of the receiving space 160 into which the pressing wings 182 can be pressed.
  • the radial extension of the pressing wings 182 before being pressed into the receiving space 160 is greater than the radial extension of the receiving space 160, so that the pressing wings 182 in the region of the outer elevation 186 , 188 and the inner elevation 192 are pressed together when inserted into the receiving space 160.
  • the pressing wings 182 are bent when they are inserted into the receiving space 160 in the area between the outer elevations 186, 188 and the inner elevation 192. This particular is made out Figure 12 clear.
  • the oversize present only in the area of the outer and inner elevations 186, 188, 192 facilitates the pressing of the pressing wings 182 into the receiving space 160, and the bending of the pressing wings 192 in the area between the outer elevations 186, 188 and the inner elevation 192 is guaranteed in combination Reliable fixation of the inner sleeve 26 in the outer sleeve 12 with the compression of the elevations 186, 188 and 192.
  • FIG. 13 and 14 a fifth advantageous embodiment of a coaxial connector arrangement according to the invention is shown schematically, which is assigned the reference numeral 210 as a whole.
  • the coaxial connector assembly 210 is configured similarly to that described above with reference to FIG Figures 9 and 10 described coaxial connector assembly 150.
  • the same reference numerals are used as in Figures 9 and 10 and with regard to these components, reference is made to the preceding explanations in order to avoid repetition.
  • the coaxial connector arrangement 210 differs from the coaxial connector arrangement 150 by a locking element 212 which, in contrast to the locking element 102 explained above, does not have a jacket that surrounds the outer sleeve in the circumferential direction. Rather, the locking element 212 has three press wings 214 which are arranged at an equal distance from one another in the circumferential direction and which are operated in a manner corresponding to that described above with reference to FIG Figures 9 and 10 The press wing 158 explained can be pressed in between the inner sleeve 26 and the outer sleeve 12 and, for this purpose, have an oversize before being pressed in.
  • the locking element 212 has three first latching wings 216 which interact with latching elements in the form of a latching groove 218 formed on the inside in the end section 104 of the outer sleeve 12 in order to achieve a latching connection.
  • the latching groove 218 has a groove wall 220 which is oriented perpendicular to the longitudinal axis 78 of the coaxial connector arrangement 210 and which forms a holding surface and is engaged from behind by a latching hook 222 of the latching wings 226.
  • the pressing wings 214 and the first latching wings 216 alternate, so that in the circumferential direction one latching wing 216 follows a pressing wing 214. This particular is made out Figure 14 clear.
  • a latching connection between the locking element 212 and the outer sleeve 12 of the coaxial connector arrangement 210 can thus be established by means of the first latching wings 216.
  • a latching connection can also be established between the locking element 212 and the inner sleeve 26 of the coaxial connector arrangement 210.
  • the locking element 212 has three second locking wings evenly distributed over the circumference of the locking element 212 224, which cooperate with a locking element of the inner sleeve 26 in the sense of a locking connection.
  • the latching element forms a first annular collar 226 which extends over the circumference of the inner sleeve 26 in an end region 228 facing away from the outer sleeve 12.
  • the second latching wings 224 each form a latching recess 230 which receive the first annular collar 226, the second latching wings 224 engaging behind a rear side 232 of the first annular collar 226 facing away from the outer sleeve 12.
  • the rear side 232 like the groove wall 220 of the latching groove 218, thus forms a holding surface which is oriented perpendicular to the longitudinal axis 78 of the coaxial connector arrangement 210 and which is engaged from behind by the locking element 212.
  • the coaxial connector arrangement 210 is characterized by a particularly compact design, the locking element 212 engaging behind the outer sleeve 12 on the inside and the inner sleeve 26 on the outside, thereby applying a force to the inner sleeve 26 in the direction of the outer sleeve 12.
  • any micro-movements of the inner sleeve 26 are counteracted by the pressing wings 240.
  • a sealing sleeve 234 is also used in the coaxial connector arrangement 210, which is clamped in both the radial direction and in the axial direction between the inner sleeve 26 and the outer sleeve 12.
  • the sealing sleeve 234 is clamped in the axial direction on the one hand on an inside step 236 of the outer sleeve 12 of the coaxial connector arrangement 210 and on the other hand on an end face 238 of a second annular collar 240 arranged at a distance from the first annular collar 226.
  • the sealing sleeve 234 is clamped between a circular cylindrical wall section 242 of the outer sleeve 12 and a wall section 244 of the inner sleeve 26 of the coaxial connector arrangement 210 that adjoins the second annular collar 240 in the direction of the second annular bead 52.
  • the sealing sleeve 234 also counteracts any micro-movements of the inner sleeve 26 and also prevents the penetration of liquid and dirt particles in the area in which the annular bead 52 of the inner sleeve 26 rests on the first circular cylindrical wall section 92 of the outer sleeve 12.

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  • Coupling Device And Connection With Printed Circuit (AREA)
EP15703930.6A 2014-02-03 2015-02-02 Koaxial-steckverbinderanordnung Active EP3103163B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014101297.6A DE102014101297B4 (de) 2014-02-03 2014-02-03 Koaxial-Steckverbinderanordnung
PCT/EP2015/052070 WO2015114138A1 (de) 2014-02-03 2015-02-02 Koaxial-steckverbinderanordnung

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EP3103163A1 EP3103163A1 (de) 2016-12-14
EP3103163B1 true EP3103163B1 (de) 2021-04-07

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US (1) US10103483B2 (zh)
EP (1) EP3103163B1 (zh)
CN (1) CN106063050B (zh)
DE (1) DE102014101297B4 (zh)
WO (1) WO2015114138A1 (zh)

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Also Published As

Publication number Publication date
EP3103163A1 (de) 2016-12-14
CN106063050B (zh) 2020-07-10
DE102014101297A1 (de) 2015-08-06
US20170133789A1 (en) 2017-05-11
DE102014101297B4 (de) 2017-06-22
WO2015114138A1 (de) 2015-08-06
US10103483B2 (en) 2018-10-16
CN106063050A (zh) 2016-10-26

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