EP3396793A1 - Corps de contact pour connecteur à fiche - Google Patents

Corps de contact pour connecteur à fiche Download PDF

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Publication number
EP3396793A1
EP3396793A1 EP17168727.0A EP17168727A EP3396793A1 EP 3396793 A1 EP3396793 A1 EP 3396793A1 EP 17168727 A EP17168727 A EP 17168727A EP 3396793 A1 EP3396793 A1 EP 3396793A1
Authority
EP
European Patent Office
Prior art keywords
spring tabs
connector
housing
contact
contact body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17168727.0A
Other languages
German (de)
English (en)
Other versions
EP3396793B1 (fr
Inventor
Till BREDBECK
Martin Zebhauser
Florian Hohenadl
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.)
Rosenberger Hochfrequenztechnik GmbH and Co KG
Original Assignee
Rosenberger Hochfrequenztechnik GmbH and Co KG
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 Rosenberger Hochfrequenztechnik GmbH and Co KG filed Critical Rosenberger Hochfrequenztechnik GmbH and Co KG
Priority to EP17168727.0A priority Critical patent/EP3396793B1/fr
Priority to PCT/EP2018/060797 priority patent/WO2018197641A1/fr
Priority to US16/607,865 priority patent/US10958017B2/en
Priority to CN201880028189.1A priority patent/CN110582899B/zh
Publication of EP3396793A1 publication Critical patent/EP3396793A1/fr
Application granted granted Critical
Publication of EP3396793B1 publication Critical patent/EP3396793B1/fr
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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • 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
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • 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

Definitions

  • the invention relates to a contact body for a connector, having an at least partially electrically conductive housing for connection to an outer conductor of an electrical line, and having at least one inner conductor part for connection to at least one inner conductor of the electrical line, according to the preamble of claim 1.
  • the invention also relates to a connector, in particular a coupling or a socket.
  • the invention further relates to a plug connection, comprising a first connector, in particular a coupling or a socket, and a plug-in second connector.
  • the invention also relates to a method for producing an electrical connection between two connectors according to the preamble of claim 15.
  • Connectors are used to make an electrical connection with a correspondingly complementary other connector.
  • a connector may be a plug, a socket, a coupling or an adapter.
  • the term "connector" used in the context of the invention is representative of all variants.
  • connectors are used in the manner of a coupling or a plug for assembling cables.
  • a contact body is usually provided in the connectors, which is electrically connected to an outer conductor of the cable and at least one inner conductor of the cable.
  • the known connectors generally have a connector housing, preferably a plastic housing, with a receptacle for insertion of the at least one contact body.
  • connectors and contact bodies should have two properties. On the one hand, they should be mechanically robust or durable, for example multiple insertion and removal, orthogonal to the insertion direction acting forces and torsional forces unscathed to survive. In addition, the connector should provide good electrical properties, including ensuring a sufficiently high electromagnetic shielding, low contact resistance and a (vibration) secure contact, especially if the connector is to be suitable for high-frequency engineering.
  • the DE 199 13 898 C1 directed.
  • This document relates to an outer conductor sleeve with spring contacts at the plug part of an existing connector part and female part RF coaxial connector, which is designed by provided on its circumference longitudinal slots as a spring blade ring, in which the spring blade ring has a common spring plate fins and in which the spring blades in the area having their free ends outside contact studs.
  • the in the DE 199 13 898 C1 disclosed outer conductor sleeve is to provide a Kochdehnschutz without additional elements and to allow a distribution of the bending stress at radial deflection of the spring blades in approximately uniform over the length.
  • a problem of the known prior art is that a compromise must be found from smooth and thus comfortable insertion of the connector and then the largest possible mechanical holding force.
  • the present invention has for its object to provide an improved contact body for a connector, which is adapted to take orthogonal to the insertion direction acting forces and has good electrical properties, in particular for high-frequency technology.
  • the present invention is further based on the object to provide a method for producing an electrical connection between two connectors, wherein the connector is particularly suitable for high frequencies.
  • the invention is also based on the object of providing a connector which is improved with respect to the prior art and an improved plug connection.
  • the contact body according to the invention for a connector has an at least partially electrically conductive housing for connection to a ground conductor of an electrical line. Furthermore, the contact body has at least one inner conductor part for connection to at least one signal conductor of the electrical line.
  • An electrical line is to be understood as meaning any device for the transport or transfer of electrical energy for data transmission and / or for electrical supply.
  • the electrical line is an electrical cable consisting of a composite of several individual lines.
  • An electrical cable has a ground conductor or outer conductor and one or more signal conductors in the form of inner conductors.
  • the invention is particularly suitable for use with a coaxial cable (with a single inner conductor).
  • the electrical line is an electrical line of an electrical device, a further connector or an electrical line on a printed circuit board.
  • ground conductor can analogously be understood to mean any electrical conductor which leads to a ground potential or another reference potential.
  • signal conductor may analogously be understood to mean any conductor for the transmission of electrical data signals and / or electrical supply signals.
  • the housing is completely electrically conductive and for this purpose, for example, integrally formed from a suitable electrically conductive material.
  • the housing may also include non-conductive or poorly conductive parts or areas.
  • the housing may, for example, plastic parts for attachment to a Connector housing and / or for connection with other components (including components of the contact body) have.
  • At least two spring tabs are arranged on a front contact area of the housing in the insertion direction, wherein the spring tabs are each fixed immovably at a first free end and fixed at a second end.
  • a spring tongue can be a component that can be deformed sufficiently elastically in use or is at least partially elastic in the region of the fixed end.
  • the spring tabs are preferably completely conductive and z. B. formed of metal.
  • the spring tabs may be formed, for example, as bending springs, in particular leaf springs.
  • the spring tabs can move at their free, movable ends within a predetermined deflection range, starting from a basic position, wherein the spring force tries to return the spring tabs in a deflection from the basic position back to the basic position.
  • the spring tabs are pivotally mounted about the second, immovable end (spring) substantially fixed or fixed.
  • a group according to the invention comprises at least one spring tab, preferably at least two spring tabs.
  • the contact region of the housing is a front part / region of the housing in the plug-in direction, which is used for electrical contacting with a further or second plug connector. Accordingly, a second connector can be at least partially inserted into the contact region for producing an electrical connection and / or at least partially pushed onto the contact region for this purpose.
  • a front end of the contact area is thus the one to be inserted or termesteckenden second connector facing the end of Contact body meant that is located along the direction of insertion on the contact body forward.
  • the at least one spring tab of the first group is arranged and aligned such that along its direction of insertion, its (respective) first free end is in front of its second immovably fixed end. Ie. the free end of the spring tab is first contacted by a plug-in or plug-on connector and thus before the specified end, ie in the direction of insertion front or before the specified end.
  • the at least one spring tab of the second group is arranged or aligned oppositely thereto.
  • the invention is suitable for use with any number of signal conductors (or inner conductors) of the electrical line (or the electrical cable). It can therefore be provided more than one inner conductor part. For example, two, three, four, five, six, seven, eight or more inner conductor parts may be provided for connection to any number of signal conductors (or inner conductors) in the sense of the invention.
  • the number of signal conductors or inner conductor parts is therefore not limited in the present case, with common connectors, in particular RF connectors and connectors for coaxial cables, usually having only one inner conductor part for connection to an inner conductor of the cable.
  • the number of inner conductor parts and signal conductor is not identical. For example, then a plurality of inner conductor parts can be connected to a smaller number of signal conductors (or a single signal conductor) - and vice versa.
  • the inventors have recognized that a contact body, whose spring tabs are divided into two groups, wherein the free ends of spring tabs of the two groups along the direction of insertion are aligned oppositely, allows a particularly high quality and suitable for high frequency electrical contact. This is due to the fact that the current paths between the connectors involved in an electrical contacting can be particularly advantageous and direct due to the inventive arrangement of the spring tabs. larger Loops that would adversely affect the performance of the connector can be avoided according to the invention.
  • a connector designed according to the invention is particularly suitable for the transmission of high-frequency signals for this reason. While in the previously known, comparable connectors, only a maximum transmission frequency of 3 to 6 GHz was possible, a connector according to the invention can enable the transmission of frequencies up to at least 9 GHz.
  • the free ends of the spring tabs may have contact caps, bulges or bends to improve the contact with a further or plugged on another connector.
  • the contact body has an at least partially electrically conductive contact sleeve, which is electrically conductively connected to the housing and which forms the spring tabs.
  • the contact sleeve may preferably be received by the housing of the contact body. But it can also be provided that the contact sleeve receives the housing of the contact body.
  • the contact sleeve can extend from the front end of the contact region in the insertion direction along the contact region.
  • the contact sleeve may be formed smaller, equal to or larger than the contact area along the insertion direction.
  • the contact sleeve is arranged on a front contact area of the housing in the insertion direction, wherein the contact sleeve forms at least two spring tabs.
  • the contact sleeve is formed completely conductive, for example in one piece of an electrically conductive material.
  • the contact sleeve may also comprise non-conductive or poorly conductive parts / areas.
  • the contact sleeve can Contain plastic parts that serve, for example, the mechanical connection with the housing of the contact body.
  • the contact sleeve may be conductively connected by contact areas, contact points or by complete physical contact with the housing of the contact body. A large-area and thus low-resistance connection may be preferred.
  • the contact sleeve can be positively, positively and / or materially connected to the housing of the contact body.
  • the contact sleeve can be pressed, for example, with the housing of the contact body or locked in this.
  • the contact body is used for a connector whose outgoing direction (the line) does not extend along the plugging direction or which is provided for electrical connection to a second plug connector whose output direction (the line) does not extend along the plugging direction.
  • the output direction is 90 ° to the direction of insertion.
  • undesirable, sometimes high transverse forces arise, for example, when a user applies force to a cable outlet, which does not extend along the direction of insertion.
  • the connector or the interface can be irreparably damaged.
  • the contact body according to the invention minimizes, in particular in advantageous embodiments, the risk of damage to the connector or the interface.
  • Another advantage of providing a contact sleeve is that the contact body or the connector manufacturing technology can be modular.
  • contact sleeve may be easily replaced as a highly loaded component in case of damage, without the entire contact body or connector must be replaced.
  • the spring tabs are integrally formed or integrally with the housing.
  • one or more spring tabs are fixed with their immovable ends individually to the housing, for example by riveting, clamping or gluing.
  • a contact sleeve therefore does not necessarily have to be provided in the sense of the invention. Depending on the purpose of the connector or contact body, this simplified variant may optionally be economically advantageous. As a rule, however, the use of a contact sleeve will be advantageous.
  • the housing and / or the contact sleeve has or have a round cross section.
  • the housing and / or the contact sleeve can basically have any desired cross-section, for example also a rectangular cross-section. It can also be provided that the housing of the contact body and the contact sleeve each have different cross-sectional shapes. For example, it may be provided that the housing of the contact body has a rectangular cross section and the contact sleeve has a round cross section - or vice versa.
  • the contact area forms an interior for receiving a second connector and the free ends of the spring tabs for contacting with the second connector protrude into the interior.
  • the spring tabs are arranged or formed on the inside of the housing or the contact sleeve.
  • the free ends of the spring tabs preferably protrude into the interior, which results in that they are pushed out of the interior during insertion of the second connector until they are substantially coplanar with the inner wall of the housing or the contact sleeve. Due to the acting spring forces, especially in the area of the free ends of the spring tabs, a particularly high-quality electrical contact between the contact body according to the invention and the inserted second plug connector takes place. The electrical connection is therefore very vibration-proof and robust.
  • the free ends may be pressed against the housing of the contact body during insertion of the second connector, whereby the electrical connection is further improved overall.
  • the free ends of the spring tabs protrude from the contact region to the outside, whereby the second connector can be pushed onto the contact body and thereby contacted the spring tabs on the outside of the housing of the contact body.
  • the contact area or the contact sleeve forms an interior space.
  • the housing of the contact body can then be advantageously used for the electromagnetic shielding of the contact area, which is particularly effective if the housing itself has no spring tabs.
  • the housing and / or the contact sleeve is or are formed entirely of metal.
  • Any suitable metals and alloys may be provided, for example comprising or consisting of silver, copper, gold, aluminum, bronze or alloys formed therefrom.
  • the housing may be formed completely closed at least in the contact area along its circumference.
  • the housing when the housing is formed completely conductive and connected to the ground conductor of the electrical line, this can result in a particularly high-quality electromagnetic shielding.
  • the housing is formed closed in its entire length along its circumference.
  • An electromagnetic shield can thus also be provided in the region of the housing which serves for connection to the electrical line.
  • a completely closed design of the housing along its circumference also has the advantage that transverse forces, in particular forces which act orthogonally to the insertion longitudinal axis, can be absorbed particularly well, since the housing has a high stability due to a closed design and, in particular, not as in the prior art the technology is weakened by breakthroughs, in particular spring clips.
  • Such a design is particularly suitable for meeting requirements, in particular in the automotive sector, with regard to the transverse forces to be absorbed.
  • the housing has a tubular geometry and the interior of the housing is completely shielded electromagnetically, preferably by a completely closed housing.
  • the spring tabs of at least one of the two groups and / or all spring tabs are arranged distributed uniformly along the circumference of the housing.
  • the distance of the spring tabs in the circumferential direction can be uniform to each other.
  • a uniform distribution of the spring tabs can improve the mechanical properties of the contact body when inserting or unplugging.
  • this can form uniformly distributed current paths, in particular the same length, in the electrical connection with the second connector, whereby high-frequency electrical signals can be transmitted relatively undisturbed.
  • the even distribution of the spring tabs along the circumference of the housing can further optimize the shielding properties of the housing.
  • the spring tabs of the two groups are each arranged alternately along the circumference of the housing.
  • the spring tabs of both groups behave mechanically differently when inserted. Also, the current paths in an electrical connection with the second connector are expected to form differently in each spring tabs of the two groups. For this reason, in addition to a uniformly distributed arrangement of the spring tabs, in particular, an alternating arrangement of the differently connected spring tabs can be advantageous in order to further improve the mechanical and electrical behavior of the contact body.
  • the first group and / or the second group can each have only one single spring tab. That is, in the sense of the invention, it may already be sufficient to provide only two spring tabs in total.
  • the first group and / or the second group comprises or have at least two spring tabs, preferably three spring tabs, for example also four, five, six or more spring tabs.
  • the number of spring tabs per group is identical, but this is not essential. It can, for. B. also be provided that the first group has four spring tabs and the second group has two spring tabs - or vice versa. Any combinations of groups are possible.
  • At least one spring tab preferably one of the two groups of spring tabs, at least one further spring tab, preferably offset from the other group of spring tabs along the direction of insertion in the housing.
  • the (plugged or iststeckende) second connector when connecting to the contact body initially only a spring tab or a part of the spring tabs or a first group of spring tabs mechanically and electrically contacted and only then along the direction of insertion at least contacted another spring tab.
  • the mating of the connector can thus be done with very little force, but after a complete insertion nevertheless a total high holding force and a low-resistance connection can be guaranteed.
  • the offset of the spring tabs can be achieved in particular by the fact that the positions of the respectively immovably fixed ends of the spring tabs along the direction of insertion in the contact region are offset relative to each other.
  • first free ends of the respective spring tabs in the contact region along the plugging direction can be arranged offset relative to each other be.
  • the lengths of the spring tabs, ie the extent between the two ends, may be different.
  • the free ends of spring tabs of the first group are arranged along the insertion direction in the contact region, measured from the front end of the contact region, at the same location or almost the same location as the immovably fixed second ends of spring tabs of the second Group.
  • the spring tabs of the two groups each have an identical distance to the front end of the contact area and extend over the same axial length, with a difference in the arrangement between the spring tabs of the two groups only shows that the free end of the spring tabs of the first group facing the front end of the contact area and the free end of the spring tabs of the second group is facing away from the front end of the contact area.
  • the invention provides that the spring tabs of a group are each formed identically and arranged with respect to their spacing in the front end of the contact area.
  • the spring tabs of the respective groups can be designed differently, ie for example to have different lengths or widths and / or the distance between the free ends of the spring tabs to the front end of the contact area is different.
  • the second plug-in connector to be plugged in or plugged in one after the other mechanically and electrically contacts a plurality of spring tabs, in particular several spring tabs of the same group in succession, along the plug-in direction.
  • the force for insertion are further reduced, while still giving an advantageous holding force.
  • an advantage is a symmetrical, distributed around the circumference of the housing or the contact sleeve arrangement of the spring tabs and the free ends of the spring tabs.
  • the contact body according to the invention is designed such that the free ends of spring tabs of the first group are electrically contacted by an outer conductor of the second connector before an inner conductor part of the second connector electrically contacts the inner conductor part of the contact body according to the invention.
  • the inner conductor part and the spring tabs of the contact body are arranged and aligned such that all spring tabs and the inner conductor part at the same time electrically contact when connected to a second connector. It can also be provided that the spring tabs or the groups of spring tabs are arranged and aligned such that when connecting to a second connector, first all spring tabs are electrically contacted and then the inner conductor parts of the connector.
  • the contact sleeve and / or at least one spring tab has a smaller wall thickness than the housing.
  • the contact body in addition to the contact sleeve or to the spring tabs has a housing
  • the main mechanical stresses, for example, occurring during insertion and removal transverse forces can be intercepted by the housing.
  • the wall thickness of the housing can be made correspondingly thick for this purpose
  • the contact sleeve or the spring tabs can be aligned in particular to the production of a smooth and high-quality electrical connection.
  • the contact normal forces and / or the plugging necessary forces extremely flexible by the wall thickness and / or material type of the contact sleeve and the spring tabs be adjustable.
  • the housing is formed immovable or rigid orthogonal to the insertion direction.
  • the housing may in particular be designed to absorb mechanical transverse forces and torsional forces.
  • the combination of a rigid outer geometry of the housing of the contact body can be provided with an elastic inner geometry of the contact sleeve and / or the spring tabs.
  • the stiffening of the entire housing of the contact body can be provided up to a preferably completely closed, preferably tubular geometry. Possibly production-related abutting edges can be welded together.
  • the housing of the contact body has no recesses, openings or the like.
  • the wall thickness of the contact sleeve and / or the spring tabs is preferably low.
  • the contact sleeve and / or the spring tabs can be at least partially elastic, whereby the insertion forces can be reduced while maintaining sufficiently high normal contact forces.
  • wall thicknesses ⁇ 1 mm preferably ⁇ 0.5 mm, more preferably ⁇ 0.25 mm and very particularly preferably ⁇ 0.12 mm or even smaller, can be provided.
  • connection of the contact body to the ground conductor of the electrical line or the at least one inner conductor part with a signal conductor of the electrical line can be done with known measures, preferably by means of soldering, gluing, clamping or crimping.
  • a connection of a cable to the contact body can preferably be produced by stripping a portion of the cable sheath of the cable in a first step. This will expose an outer conductor.
  • the outer conductor can it is for example a cable shielding braid.
  • a support sleeve can be crimped onto the cable shielding braid in such a way that the cable shielding braid projects beyond the support sleeve.
  • the protruding cable shield braid can be knocked back in a next step and placed over the support sleeve.
  • the front end of the cable can be further stripped so that an inner conductor of the cable is exposed.
  • the exposed inner conductor of the cable can then be subsequently connected to the inner conductor part of the contact body, preferably in such a way that the inner conductor part is also crimped.
  • the contact body or the housing of the contact body is preferably crimped onto the outer conductor of the cable or the cable shielding braid, which is preferably folded back over the support sleeve.
  • the contact body or its housing is reliably connected to the outer conductor of the cable by crimping and the inner conductor part is protected within the contact body.
  • the invention also relates to a connector, in particular a coupling or a socket, with a contact body described above.
  • the invention also relates to a plug connection, comprising a first connector, in particular a coupling or a socket, with a contact body, as described above, and a plug-in second connector.
  • a connector so in the present case an electrical connector system consisting of at least two electrical connectors, meant.
  • the invention is not limited to a specific type of connector or to a specific connector, wherein the invention is particularly suitable for the assembly of RF cables.
  • the connector may preferably be used as RF connectors, in particular as PL connectors, BNC connectors, TNC connectors, SMBA (FAKRA) connectors, N connectors, 7-16 connectors, SMA connectors, SMB connectors, SMS Be designed connector, SMC connector or SMP connector.
  • a connector housing made of plastic is provided, which holds the contact body, protects and prepositioned for the mating process with a second connector.
  • the connector housing may additionally have mechanical coding, so that only matching connector housing can be plugged into each other.
  • Some of the components of the contact body and / or connector according to the invention can in principle the structure of the coaxial connector of US 2003/0176104 A1 which is why the disclosure of the US 2003/0176104 A1 is fully integrated into the present disclosure by referencing.
  • Such plastic housing for coaxial connectors which are also called FAKRA housing found in automotive engineering for data transmission cable.
  • These data transmission cables are usually coaxial cables or similar shielded cables based on a single internal electrical conductor.
  • the mechanical dimensions of such FAKRA housings in the contact area, ie, in an axial portion of the housing which cooperates with a complementary connector to provide a mechanical connection between the two connector housings are specified in the October 2004 version of DIN 72594-1.
  • the invention is particularly suitable.
  • the present invention or the contact body and / or plug connector according to the invention can or can be used particularly advantageously in a vehicle.
  • vehicle describes any means of transportation, in particular vehicles on land, on water or in the air, including spacecraft.
  • the invention also relates to a method for producing an electrical connection between two connectors, wherein at least one first connector is used, which has a contact body with a front contact direction in the insertion direction, and wherein at least two spring tabs are arranged in the contact region, and the spring tabs respectively a first free end are movable and fixed immovably at a second end.
  • the spring tabs are arranged and formed such that when connecting the connector along the insertion direction of the second connector or its contact body or contact area first a first group of spring tabs of the first connector, then an inner conductor part of the first connector and then a second group of spring tabs of the first connector is electrically contacted, wherein the free ends of the spring tabs of the two groups each have in opposite directions.
  • the mating counteracting frictional force or spring force can be relatively low, whereby mating the connector for a user can be particularly comfortable or light while the complete closed connector still has a very high holding power.
  • courses of current paths within the closed plug connection can be improved according to the invention for a high-frequency transmission by the double contacting via the two different groups of spring tabs.
  • the inventors have recognized that the group of spring tabs whose free ends are remote from the front end of the contact region are particularly suitable for high-frequency transmission. Particularly advantageous in this group of spring tabs is also that they are particularly well electromagnetically shielded, since the free ends are particularly far away from the front end of the contact area.
  • the invention makes it possible to combine the advantages of low contact resistance and good characteristics for use with high-frequency signals with a comfortably low insertion force.
  • FIGS. 1 to 6 show a contact body 1 according to the invention for a in FIG. 11
  • the contact body 1 has a substantially tubular housing 3 made of metal.
  • the housing 3 of the contact body 1, but also all other components of the contact body 1, may or may preferably be produced by stamping and bending technology.
  • the housing 3 of the contact body 1 is for connection to an outer conductor 4.2 of an electrical cable 4, in this case a coaxial cable 4 (see. FIG. 1 ), educated.
  • the outer conductor 4.2 runs within an insulating cable sheath 4.1.
  • a dielectric 4.3 separates the outer conductor 4.2 electrically from an inner conductor 4.4.
  • the principle for connecting the contact body 1 with the coaxial cable 4 is particularly good in the Figures 2 and 6 recognizable.
  • the outer conductor 4.2 of the coaxial cable 4 can be mechanically and electrically connected to the housing 3 by pressing or crimping. This can be ensured at the same time a Zugabfang.
  • FIG. 6 the rear part of the housing 3 is bent open to receive the coaxial cable 4.
  • the housing 3 of the contact body 1 can then be bent in the rear area with a corresponding tool.
  • a support sleeve 5 see. FIG. 2 ), which is pushed over the coaxial cable 4 and over which the cable screen braid or the outer conductor 4.2 of the coaxial cable 4 can be folded or folded.
  • the support sleeve 5 can then be pushed together with the coaxial cable 4 in the housing 3 of the contact body 1 and then crimped or pressed.
  • the contact body 1 also has an inner conductor part 6 for connection to the inner conductor 4.4 of the coaxial cable 4.
  • inner conductor part 6 for connection to the inner conductor 4.4 of the coaxial cable 4.
  • any number of inner conductor parts 6 and inner conductor 4.4 may be provided.
  • the coaxial cable 4 used here as an example to illustrate the invention as an electrical line with only one inner conductor 4.4 is to be understood only as an example.
  • the inner conductor 4.4 of the coaxial cable 4 can be crimped with the inner conductor part 6.
  • a contact lug 7 may be provided on the inner conductor part 6, which can be bent around this after insertion of the inner conductor 4.4 of the coaxial cable 4.
  • an electrical insulating support 8 for example, plastic, be provided for alignment of the inner conductor part 6 within the housing 3 and for electrical insulation between the outer conductor 4.2 and the inner conductor 4.4. This is especially good in FIG. 2 recognizable.
  • a second connector 2 ' (only exemplary in FIG. 13 shown) are connected to a front in the insertion direction contact region 9 (see. FIG. 2 ) of the housing 3 a plurality of spring tabs 10, 11 are arranged, wherein the spring tabs 10, 11 are each fixed to a first free end 10.1, 11.1 movable and immovable at a second end 10.2, 11.2.
  • the plug-in direction is in FIG. 2 represented by an arrow S and extends along the center axis M of the contact body 1.
  • the contact region 9 of the housing 3 is understood to mean the area which essentially serves for the mechanical and electrical contacting with a second connector 2 '. In this area, at least the front end of the inner conductor part 6 and the spring tabs 10, 11 for contacting an outer conductor of the second connector 2 'are thus arranged.
  • the contact body 1 an electrically conductive contact sleeve 12 which is electrically connected to the housing 3 of the contact body 1 and which forms the spring tabs 10, 11.
  • the spring tabs 10, 11 may also be formed (in one piece or in one piece or otherwise) on the housing 3.
  • the contact sleeve 12 as well as the housing 3 of the contact body 1 is formed entirely of metal and manufactured in stamping and bending technique.
  • the housing 3 and the contact sleeve 12 each have a round cross-section.
  • the housing 3 is formed completely closed along its circumference, whereby a particularly advantageous electromagnetic shielding can be ensured.
  • the housing 3 is immovable or rigid orthogonal to the insertion direction, in particular to absorb high lateral forces and to ensure good shielding.
  • the housing 3 of the contact body 1 preferably has a greater wall thickness than the contact sleeve 12.
  • the contact sleeve 12 is preferably elastic and allows mating with the second connector 2 'with comparatively small forces. For example, a wall thickness of 0.12 mm may be provided for the contact sleeve 12.
  • two groups of spring tabs 10, 11 are provided, wherein the free ends 10.1 of spring tabs 10 of a first group a front end 9.1 of the contact portion 9 (see. FIG. 2 ) and the free ends 11.1 of spring tabs 11 of a second group are arranged facing away from the front end 9.1 of the contact region 9.
  • the contact region 9 forms an interior 9.2 for receiving the second connector 2 ', the free ends 10.1, 11.1 of the spring tabs 10, 11 projecting into the interior 9.2 for contacting the second connector 2'.
  • the second connector 2 ' is pushed onto the contact body 1 and the free ends 10.1, 11.1 of the spring tabs 10, 11 thus project outwardly for contacting the housing 3 of the contact body 1.
  • spring tabs 10, 11 are provided in the embodiment.
  • three spring tabs 10 of the first group and three spring tabs 11 of the second group are assigned.
  • the spring tabs 10 of the first group and the spring tabs 11 of the second group are distributed uniformly and alternately along the circumference of the housing 3 of the contact body 1 (or the contact sleeve 12). This ensures a certain symmetry of the current paths in the connection to the second connector 2 'and also a symmetry in the mechanical connection of the connectors 2, 2', whereby a plug connection can be plugged together particularly comfortable and also suitable for transmitting signals with particularly high frequencies is.
  • FIG. 3 An exemplary current path 13 via a spring tab 11 of the second group shows FIG. 3 .
  • the illustrated spring tab 11 is pressed out of the inner space 9.2 of the contact region 9 and out of the side wall of the housing 1 substantially. In this way, in a complete insertion of the second connector 2 'an additional, directly extending and by the spring tab 11 mechanically stable electrical contact with the housing 1 is produced.
  • FIGS. 9 and 10 are each partially sectioned side views of in FIG. 7 shown contact sleeve 12 shown.
  • FIG. 9 shows a partial section along the section line IX-IX of FIG. 8 and FIG. 10 along the section line XX of FIG. 8 ,
  • the spring tabs 10 of the first group and the spring tabs 11 of the second group along the direction of insertion in the housing 3 are arranged offset.
  • a connector 2 according to the invention which has a contact body 1 with a contact sleeve 12, as shown, and a second connector 2 'is when connecting the connector 2, 2' along the connecting direction of the second connector 2 '
  • the first group of spring tabs 10 of the connector 2 according to the invention then the inner conductor part 6 of the connector 2 according to the invention and then electrically contacted the second group of spring tabs 11 of the connector 2 according to the invention.
  • the free ends 10.1 of the spring tabs 10 of the first group which protrude into the interior 9.2 of the contact area 9, arranged further forward on the contact body 1, as the front part of the inner conductor part 6 and the free ends 11.1 of the spring tabs 11 of the second group.
  • the invention also relates to a connector 2 having a contact body 1 described above.
  • a FAKRA connector 2 is shown in the form of a coupling.
  • the connector 2 in this case has a connector housing 2.1, which is preferably formed of plastic. In principle, any desired connector 2 can be provided.
  • the connector housing 2.1 of the contact body 1 described above is used.
  • the connector housing 2.1 is shown partially cut in Figures 10 and 11 respectively.
  • the connector housing 2.1 and the housing 3 of the contact body 1 each have mechanical coding means and fastening means for mutual connection and / or alignment.
  • the housing 3 of the contact body 1 has, for example, two annular beads 14 and a plate ridge 15.
  • the housing 3 may have an abutment edge 16 (cf. FIG. 5 ), which is preferably welded.
  • the housing 3 and the contact sleeve 12 may be pressed together and / or latching means 17 have.
  • the locking means 17 may be formed in particular by partial depressions and / or complementary elevations of the housing 3 and / or the contact sleeve 12.
  • the locking means 11 in the housing 3 are preferably formed such that the housing 3 is not broken through them.
  • the latching means 17 of the housing 3 are preferably recesses formed on the inside of the housing 3, into which complementary projections of the contact sleeve 12 engage.
  • the invention also relates to an electrical connector system or an electrical connector, comprising a first connector 2, in particular a coupling or a socket, with a contact body 1 as described above, wherein the electrical connector further comprises a second connector 2 ', with the first Connector 2 is plugged together.
  • a second connector 2 ' With a connector housing 2.1' exemplified.
  • the second connector 2 ' is designed as FAKRA connector and the connector 2 according to the invention as FAKRA coupling.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP17168727.0A 2017-04-28 2017-04-28 Corps de contact pour connecteur à fiche Active EP3396793B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17168727.0A EP3396793B1 (fr) 2017-04-28 2017-04-28 Corps de contact pour connecteur à fiche
PCT/EP2018/060797 WO2018197641A1 (fr) 2017-04-28 2018-04-26 Corps de contact d'un connecteur enfichable
US16/607,865 US10958017B2 (en) 2017-04-28 2018-04-26 Contact element for a connector
CN201880028189.1A CN110582899B (zh) 2017-04-28 2018-04-26 连接器的接触元件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17168727.0A EP3396793B1 (fr) 2017-04-28 2017-04-28 Corps de contact pour connecteur à fiche

Publications (2)

Publication Number Publication Date
EP3396793A1 true EP3396793A1 (fr) 2018-10-31
EP3396793B1 EP3396793B1 (fr) 2020-08-26

Family

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EP17168727.0A Active EP3396793B1 (fr) 2017-04-28 2017-04-28 Corps de contact pour connecteur à fiche

Country Status (4)

Country Link
US (1) US10958017B2 (fr)
EP (1) EP3396793B1 (fr)
CN (1) CN110582899B (fr)
WO (1) WO2018197641A1 (fr)

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CN112952425A (zh) 2019-12-11 2021-06-11 富士康(昆山)电脑接插件有限公司 电连接器组合
EP3905443A1 (fr) * 2020-04-30 2021-11-03 Rosenberger Hochfrequenztechnik GmbH & Co. KG Élément de contact de conducteur extérieur, agencement de connecteur enfichable et procédé de montage pour un agencement de connecteur enfichable
JP7149542B2 (ja) 2020-05-27 2022-10-07 矢崎総業株式会社 コネクタ
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US11646510B2 (en) 2021-04-29 2023-05-09 Aptiv Technologies Limited Shielding electrical terminal with knurling on inner contact walls
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DE102022104151A1 (de) * 2022-02-22 2023-08-24 Md Elektronik Gmbh Steckverbinder und Steckverbindersystem
CN116632605B (zh) * 2023-07-25 2023-10-03 常州嘉容电子有限公司 一种低温贴片铝电解电容器生产设备及生产工艺

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Also Published As

Publication number Publication date
WO2018197641A1 (fr) 2018-11-01
CN110582899A (zh) 2019-12-17
US20200119495A1 (en) 2020-04-16
CN110582899B (zh) 2022-05-27
EP3396793B1 (fr) 2020-08-26
US10958017B2 (en) 2021-03-23

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