EP1936752B1 - Modular round plug - Google Patents

Modular round plug Download PDF

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Publication number
EP1936752B1
EP1936752B1 EP07123335A EP07123335A EP1936752B1 EP 1936752 B1 EP1936752 B1 EP 1936752B1 EP 07123335 A EP07123335 A EP 07123335A EP 07123335 A EP07123335 A EP 07123335A EP 1936752 B1 EP1936752 B1 EP 1936752B1
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EP
European Patent Office
Prior art keywords
sleeve
plug connector
connector according
round plug
modular
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
EP07123335A
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German (de)
French (fr)
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EP1936752A3 (en
EP1936752A2 (en
Inventor
Wolfgang Pfeiffer
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.)
LQ MECHATRONIK-SYSTEME GmbH
Original Assignee
LQ Mechatronik-Systeme GmbH
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Filing date
Publication date
Application filed by LQ Mechatronik-Systeme GmbH filed Critical LQ Mechatronik-Systeme GmbH
Priority to PL07123335T priority Critical patent/PL1936752T3/en
Publication of EP1936752A2 publication Critical patent/EP1936752A2/en
Publication of EP1936752A3 publication Critical patent/EP1936752A3/en
Application granted granted Critical
Publication of EP1936752B1 publication Critical patent/EP1936752B1/en
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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
    • H01R13/625—Casing or ring with bayonet engagement
    • 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]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • 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
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

Definitions

  • the invention relates to a modular circular connector according to the preamble of claim 1.
  • Connectors are used, for example, in manufacturing plants to manufacture or solve complex cable connections between control units or cabinets and machine tools, where several control and supply lines are combined in a shielded cable.
  • the shields ensure trouble-free operation and must not be impaired at cable transition points such as plugs and sockets. Therefore, it is known to cover the transition points with screw caps so that the shield remains guaranteed, such as in your own DE 20 2005 010 113 U1 described.
  • Out DE 693 26 932 T1 are also known three-part compounds, however, the plug part is fully taken as the first third part rotationally fixed in a shielding sleeve.
  • round plug for the production of electrical line connections are known, for example from German utility models 299 15 382 U1 and 299 15 381 U1 ,
  • the invention has for its object to develop a modular plug-in system that provides connection options for different housing variants of plugs, sockets, couplings or sockets and also allows connection chains. At the same time cost savings should be achieved without quality loss.
  • the solution of this problem consists of a modular circular connector with the characterizing features of claim 1.
  • the two-part locking sleeve has the advantage that it can remain for decoupling the two coupling parts either one of the two in the locking position, while the other coupling part after the release rotation the associated half-ring can be pulled out.
  • the coupling parts such as plugs or sockets are shielding metallic hollow bodies which taper according to the invention in an advantageous manner to their contact faces within the sleeve and come into galvanic contact at their contact faces within the sleeve, so as to ensure a shield in each case, even if the sleeve Made of plastic, which is cost effective.
  • Embodiments of the invention are the subject of the dependent claims.
  • the new modular connector can according to a selected here to illustrate the invention example according to FIG. 1 consist of a multi-pin connector 10 and a gleichpoligen socket 12 and a trained as a sleeve Arretierstoff Biology 14.
  • the large-sized pins transmit, for example, a voltage of up to 630 volts and corresponding currents in connections, for example, between work machines and control cabinets. It should be noted that the polar image reproduced here has been chosen only as an example and that other polar patterns in any configuration can also be used within the scope of the invention.
  • plug 10 and socket 12 The construction of plug 10 and socket 12 is mirror images of each other almost equal. Therefore, hereinafter for both parts, plug 10 and socket 12, the modular connector, the same reference numbers in the Figures 2 and 5 used and described. Both parts, plug 10 and socket 12, have the contact side towards a multi-stepped metallic hollow body 16 which shields the entire transition between the plug 10 and socket 12 grounded, and it is also among the objectives of the invention, this metallic shield on the modular connector to ensure uninterrupted
  • a metallic screw cap 18 is screwed onto the hollow body 10 with a frontal passage for a not shown, multi-core and shielded cable in a conventional manner, which is clamped and sealed by means of a plastic ring 20.
  • a plastic ring 20 Of the cable only one overhead wire 22 is shown, which ends in the plug 10 at the opposite end in a single pin S and in the socket 12 in a single socket B. Both the individual pins S and the individual sockets B are in them concentrically surrounding and insulating sleeves H, which pass in each hollow body 16 axially inwardly into a solid, substantially cylindrical insulating body 24 made of plastic and form a molded body with this, at the assembly of the cable side into the cylindrical inner shell of the associated metallic hollow body 16 can be inserted.
  • the earth or ground contacts S E and B E are mounted in the plug 10 and in the socket 12. These are not in the insulating body 24, but in a metallic projection 30 inwardly from the most inward stepped edge R S and R B of the metallic hollow body 16. This will both on the plug side and on the socket side, the ground or ground line electrically connected to the metallic hollow bodies 16.
  • the projection 30 serves to secure the position of the insulating body 24 in the circumferential direction, that is, their position is in the interior of the metallic hollow body 16 by means of projections 30 corresponding recesses positional, and also the exact alignment of the two pole faces to each other also secured.
  • An additional part orientation is effected by a lock pair 25 provided centrally in the insulating body 24.
  • FIGS. 1 . 6 and 7 shown locking center piece 14 in conjunction with the tapered to the contact sides of gradations of the two metallic body 16th
  • the Arretierstoff Anlagen 14 consists of two identical, tightly interconnected by an inner ring 38 rings 32 and 34, which can be rotated along a circumferential parting line 36 against each other by a limited angle. At each outer inner edge of each ring 32, 34 cams 40 are formed. In the example shown here, there are three mutually offset by 120 ° cam 40. In a starting position, which is recognizable from the outside by an equal position of two flattened markings 42 and 44 in the provided with a corrugation 46 outer surface of the Arretierstoff Swisses 14, are located in the Inside the Arretierstoff Swisses 14, the three cams 40 axially aligned with each other. In this position, the locking center piece 14 - as in FIG.
  • the openings 62 are no longer visible in the annular projections 60 when fully mating below the Arretierstofferie 14 and only in one of three possible positions, the individual sockets S, s and S individual sockets B, b aligned with each other, it makes sense, the only applicable opening 62 clearly mark that on the visible after the complete axial mating outer surfaces of plug 10 and socket 12 each have a mark, for example in the form of a flattening A, which are aligned before mating with the markings 42 and 44 on the Arretierstoffmaschine 14 must to allow the mating and fixing.
  • a special feature of the invention is that the Arretierstoff Anlagen 14 can be made of injection molded plastic instead of metallic turned parts and thus much cheaper and easier without losing the shielding effect.
  • the Arretierstoff Anlagen 14 can be made of injection molded plastic instead of metallic turned parts and thus much cheaper and easier without losing the shielding effect.
  • the fully assembled state namely within the locking center piece 14 - even if this is made of an insulating material - the circular edges R S and R B of connector 10 and socket 12 so close to each other that a galvanic connection is formed and a shield remains without gap.
  • a ground connection is ensured with pin S E and socket B E.
  • FIG. 8 It is indicated schematically that various connections between couplings, bushings D, angle plugs or sockets can be secured by means of a Arretierstoff Kunststoffs 14. It is also possible to form connection chains between adapters with alternating polar patterns in order to make various plug-in systems compatible. The connections can be safely used even with the highest levels of contamination, which are often unavoidable in manufacturing companies.
  • FIGS. 9 to 14 show a development of the invention.
  • the plastic insulating body 24 of the plug 10 engages in the assembled state on the insulating body 24 of the bush 12.
  • Both insulators 24 have an in FIG. 13 indicated Montagecodtechnik 26, the socket side from the outer periphery of the insulating body 24 protruding cam and plug side formed on the inner circumference of the insulating body 24 incisions into which engage the cams.
  • this mounting coding 26 and the two metallic hollow body 16 are provided with a mounting coding, which simultaneously forms a positive rotation and relieves the two insulating body 24 made of plastic.
  • the contact end face R s of the hollow body 16 of the plug 10 and the contact end face R b of the hollow body 16 of the bushing 12 are provided with axially aligned steps 52 which engage in one another in the assembled state of the two coupling parts. (see. FIG. 12 ).
  • Another special feature of the further education FIGS. 9 to 14 is that for securing the over the respective locking 60, 62, 64 produced, axial detent position between the plug 10 and sleeve 14 and sleeve 12 and sleeve 14 at least one reverse rotation is provided, which is formed in the embodiment of the sleeve 12.
  • a plastic ring 54 is placed on the metallic hollow body 16 of the bushing 12 and axially fixed by a projection 50.
  • a radially elastically deformable nose 56 axially.
  • This nose 56 is in the region of the opposite, open end face of the sleeve 14 associated with a recess 66 with a following in the direction of rotation of the sleeve 14 locking ramp 58.
  • the axially projecting nose 56 passes over the latching ramp 58 in the sleeve 14 and then snaps behind the latching ramp 58 in a locking position, which is formed by a radial edge 68 on the back of the locking ramp 58.
  • the sleeve 14 is secured on the hollow body 16 of the bush 12 not only axially, but also against reverse rotation.
  • a pushbutton 70 is formed in the region of the nose 56 on the plastic ring 54, which can be pressed radially by hand to push the nose 56 inwardly, so that it can be brought out of engagement with the flank 68.
  • the sleeve 14 can thus be rotated back into the starting position, in which the nose 56 engages in the recess 66, so that the sleeve 14 can be withdrawn from the hollow body 16 of the bush 12.
  • a nearly identical plastic ring 54 ' is also fixed on the hollow body 16 of the plug 10, but here has no push button 70 and no nose 56 and thus does not form a reverse rotation.
  • the two plastic rings 54 and 54 ' here have an additional marking function, which is that they point with different colors on different transfer tasks o. The like., For example, by a red plastic ring 54 indicates another pole number such as a blue plastic ring 54 or indicates whether the circular connector is for power or signal transmission or both.

Abstract

The modular circular plug connection has different transmission requirements like high current supply and signal transmissions. An open sleeve is provided at its both front sides and rotated around an angle limited between two clutch parts (connector 10, bushing 12) by the contacts connected in two directions. The sleeve has axially double sided projection at its inner edges.

Description

Die Erfindung betrifft eine modulare Rundsteckverbindung nach dem Oberbegriff des Anspruchs 1.The invention relates to a modular circular connector according to the preamble of claim 1.

Steckverbindungen werden beispielsweise in Fertigungsanlagen benutzt, um komplexe Kabelverbindungen zwischen Steuergeräten oder Schaltschränken und Werkzeugmaschinen herzustellen oder zu lösen, wobei mehrere Steuer- und Versorgungsleitungen in einem abgeschirmten Kabel zusammengefasst sind. Die Abschirmungen sorgen für einen störungsfreien Betrieb und dürfen an Kabelübergangstellen wie Stecker und Buchsen keine Beeinträchtigungen erfahren. Deshalb ist es bekannt, die Übergangsstellen mit Schraubverschlüssen so zu überdecken, dass die Abschirmung gewährleistet bleibt, wie beispielsweise in der eigenen DE 20 2005 010 113 U1 beschrieben. Aus DE 693 26 932 T1 sind auch dreiteilige Verbindungen bekannt, wobei allerdings der Steckerteil als zunächst drittes Teil drehfest in einer abschirmenden Hülse vollständig aufgenommen wird. Weiterhin sind Rundstecker zur Herstellung elektrischer Leitungsverbindungen bekannt, beispielsweise aus den deutschen Gebrauchsmustern 299 15 382 U1 und 299 15 381 U1 .Connectors are used, for example, in manufacturing plants to manufacture or solve complex cable connections between control units or cabinets and machine tools, where several control and supply lines are combined in a shielded cable. The shields ensure trouble-free operation and must not be impaired at cable transition points such as plugs and sockets. Therefore, it is known to cover the transition points with screw caps so that the shield remains guaranteed, such as in your own DE 20 2005 010 113 U1 described. Out DE 693 26 932 T1 are also known three-part compounds, however, the plug part is fully taken as the first third part rotationally fixed in a shielding sleeve. Furthermore, round plug for the production of electrical line connections are known, for example from German utility models 299 15 382 U1 and 299 15 381 U1 ,

Aus WO 00/45469 ist ein elektrischer Tauchverbinder bekannt, der die Merkmale des Oberbegriffs des Anspruchs 1 aufweist. Dabei ist die beide Kupplungsteile verbindende Hülse einteilig ausgebildet und kann erst nach dem koaxialen Einsetzen der beiden Kupplungsteile in die beide verbindende Raststellung verdreht werden.Out WO 00/45469 an electrical dip connector is known which has the features of the preamble of claim 1. In this case, the two coupling parts connecting sleeve is integrally formed and can be rotated only after the coaxial insertion of the two coupling parts in the connecting position both connecting.

Eine ähnliche Kupplung mit einteiliger Hülse ist aus US-B 6 454 576 bekannt.A similar coupling with one-piece sleeve is made US Pat. No. 6,454,576 known.

Der Erfindung liegt die Aufgabe zugrunde, ein modulares Stecksystem zu entwickeln, das für verschiedene Gehäusevarianten von Steckern, Buchsen, Kupplungen oder Muffen Anschlussmöglichkeiten bietet und auch Verbindungsketten ermöglicht. Dabei sollen zugleich ohne Qualitätsverlust Kosteneinsparungen erzielt werden.The invention has for its object to develop a modular plug-in system that provides connection options for different housing variants of plugs, sockets, couplings or sockets and also allows connection chains. At the same time cost savings should be achieved without quality loss.

Die Lösung dieser Aufgabe besteht aus einer modularen Rundsteckverbindung mit den kennzeichnenden Merkmalen des Patentanspruchs 1. Die zweiteilige Arretierhülse bietet dabei den Vorteil, dass sie zum Entkoppeln der beiden Kupplungsteile wahlweise an einem der beiden in der Raststellung verbleiben kann, während das andere Kupplungsteil nach der Freigabedrehung des zugehörigen Halbringes herausgezogen werden kann.The solution of this problem consists of a modular circular connector with the characterizing features of claim 1. The two-part locking sleeve has the advantage that it can remain for decoupling the two coupling parts either one of the two in the locking position, while the other coupling part after the release rotation the associated half-ring can be pulled out.

Es handelt sich also um eine dreiteilige Rundsteckverbindung, bei der die zweiteilige, aus zwei unverlierbar miteinander gekoppelten, gegensinnig drehbaren Halbringen bestehende Hülse als Mittelstück zu ganz verschiedenen Verbindungen benutzt werden kann, da sie nur ein mechanisches Arretierglied ohne besondere elektrische Funktionen darstellt, sieht man von ihrer Abschirmwirkung bei metallischer Ausführung ab.So it is a three-piece circular connector in which the two-part, two captively coupled together, oppositely rotating half-ring existing sleeve can be used as a centerpiece to quite different connections, as it represents only a mechanical locking member without special electrical functions, you can see their shielding effect in metallic execution.

Die Kupplungsteile wie Stecker oder Buchse sind abschirmende metallische Hohlkörper, die sich erfindungsgemäß in vorteilhafter Weise zu ihren Kontaktstirnflächen innerhalb der Hülse verjüngend abstufen und an ihren Kontaktstirnflächen innerhalb der Hülse in galvanischen Kontakt geraten, um so eine Abschirmung in jedem Fall sicherzustellen, auch wenn die Hülse aus Kunststoff besteht, was kostensparend ist.The coupling parts such as plugs or sockets are shielding metallic hollow bodies which taper according to the invention in an advantageous manner to their contact faces within the sleeve and come into galvanic contact at their contact faces within the sleeve, so as to ensure a shield in each case, even if the sleeve Made of plastic, which is cost effective.

Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Embodiments of the invention are the subject of the dependent claims.

Weitere Einzelheiten und Vorteile ergeben sich aus der folgenden Beschreibung von in der Zeichnung dargestellten Ausführungsbeispielen. Es zeigen:

Figur 1
in schematischer Übersicht eine axiale Zuordnung der Teile der modularen Steckverbindung,
Figur 2
eine Längsansicht eines Steckers, teilweise im Schnitt,
Figur 3
eine Stirnansicht eines Polbildes des Steckers gemäß Figur 2,
Figur 4
eine Stirnansicht eines Polbildes einer Buchse gemäß Figur 5,
Figur 5
die Längsansicht der Buchse, teilweise im Schnitt,
Figur 6
eine Seitenansicht einer Arretierhülse,
Figur 7
eine Frontansicht auf die Arretierhülse gemäß Figur 6,
Figur 8
eine schematische Übersicht von verschiedenen Verbindungen,
Figur 9
die perspektivische Ansicht einer Variante der Erfindung,
Figur 10
die geschnittene Darstellung der Arretierhülse gemäß Figur 9,
Figur 11
die perspektische Ansicht der Arretierhülse und des Kunststoffrings,
Figur 12
die teilweise geschnittene Längsansicht der Variante der Figur 9,
Figur 13
einen im oberen Teil der Figur vollständigen Längsschnitt durch die zu- sammengebaute Steckverbindung der Figuren 9 und 12 und
Figur 14
eine perspektivische Schnittdarstellung dieser Variante.
Further details and advantages will become apparent from the following description of exemplary embodiments illustrated in the drawing. Show it:
FIG. 1
a schematic overview of an axial assignment of the parts of the modular connector,
FIG. 2
a longitudinal view of a plug, partly in section,
FIG. 3
an end view of a pole image of the plug according to FIG. 2 .
FIG. 4
an end view of a pole image of a socket according to FIG. 5 .
FIG. 5
the longitudinal view of the bush, partly in section,
FIG. 6
a side view of a locking sleeve,
FIG. 7
a front view of the locking sleeve according to FIG. 6 .
FIG. 8
a schematic overview of different compounds,
FIG. 9
the perspective view of a variant of the invention,
FIG. 10
the sectional view of the locking sleeve according to FIG. 9 .
FIG. 11
the perspective view of the locking sleeve and the plastic ring,
FIG. 12
the partially sectioned longitudinal view of the variant of FIG. 9 .
FIG. 13
a complete longitudinal section in the upper part of the figure through the assembled connector of the Figures 9 and 12 and
FIG. 14
a perspective sectional view of this variant.

Die neue modulare Steckverbindung kann nach einem hier zur Erläuterung der Erfindung ausgewählten Beispiel gemäß Figur 1 aus einem mehrpoligen Stecker 10 und einer gleichpoligen Buchse 12 sowie einem als Hülse ausgebildeten Arretiermittelstück 14 bestehen. Die Polbilder der groß dimensionierten Stifte S1, S2, S3, S4, S5, S6 - beispielsweise zum Übertragen von starken Strömen - und der klein dimensionierten Stifte S1, S2, S3, S4 - beispielsweise zum Übertragen von schwachen, aber gegebenenfalls hochfrequenten Signalströmen - sowie des Erdungs- (Masse-) Steckers Es des (männlichen) Steckers 10 (Figur 3) liegen polgleich den Einzelbuchsen B1, B2, B3, B4, B5, B6, b1, b2, b3, b4 und der Erdungs- (Masse-) Buchse Be der (weiblichen) Buchse 12 (Figur 4) gegenüber und passen ineinander, wenn Stecker 10 und Buchse 12 axial zusammengesteckt werden. Die groß dimensionierten Stifte übertragen beispielsweise eine Spannung von bis zu 630 Volt und entsprechende Ströme bei Anschlüssen beispielsweise zwischen Arbeitsmaschinen und steuernden Schaltschränken. Hierbei ist anzumerken, dass das hier wiedergegebene Polbild nur beispielhaft gewählt wurde und dass andere Polbilder in beliebiger Konfiguration ebenso im Rahmen der Erfindung genutzt werden können.The new modular connector can according to a selected here to illustrate the invention example according to FIG. 1 consist of a multi-pin connector 10 and a gleichpoligen socket 12 and a trained as a sleeve Arretiermittelstück 14. The pole images of the large-sized pins S 1 , S 2 , S 3 , S 4 , S 5 , S 6 - for example, for transmitting strong currents - and the small-sized pins S 1 , S 2 , S 3 , S 4 - for example Transmission of weak, but possibly high-frequency signal currents - as well as the ground (ground) connector E s of the (male) connector 10 ( FIG. 3 ) are equal to the individual sockets B 1 , B 2 , B 3 , B 4 , B 5 , B 6 , b 1 , b 2 , b 3 , b 4 and the ground (ground) socket B e of the (female) socket 12 ( FIG. 4 ) and fit together when plug 10 and socket 12 are axially mated together. The large-sized pins transmit, for example, a voltage of up to 630 volts and corresponding currents in connections, for example, between work machines and control cabinets. It should be noted that the polar image reproduced here has been chosen only as an example and that other polar patterns in any configuration can also be used within the scope of the invention.

Der Aufbau von Stecker 10 und Buchse 12 ist spiegelbildlich zueinander fast gleich. Deshalb werden nachstehend für beide Teile, Stecker 10 und Buchse 12, der modularen Steckverbindung die gleichen Bezugszahlen in den Figuren 2 und 5 benutzt und beschrieben. Beide Teile, Stecker 10 und Buchse 12, haben zur Kontaktseite hin einen mehrfach abgestuften metallischen Hohlkörper 16, der den ganzen Übergang zwischen Stecker 10 und Buchse 12 geerdet abschirmt, und es gehört auch zu den Zielen der Erfindung, diese metallische Abschirmung über die modulare Steckverbindung unterbrechungsfrei zu gewährleisten.The construction of plug 10 and socket 12 is mirror images of each other almost equal. Therefore, hereinafter for both parts, plug 10 and socket 12, the modular connector, the same reference numbers in the Figures 2 and 5 used and described. Both parts, plug 10 and socket 12, have the contact side towards a multi-stepped metallic hollow body 16 which shields the entire transition between the plug 10 and socket 12 grounded, and it is also among the objectives of the invention, this metallic shield on the modular connector to ensure uninterrupted

Kabelseitig ist in üblicher Weise eine metallische Schraubkappe 18 auf den Hohlkörper 10 mit einem stirnseitigen Durchlass für ein nicht dargestelltes, mehradriges und abgeschirmtes Kabel aufgeschraubt, das mittels eines Kunststoffringes 20 geklemmt und abgedichtet wird. Von dem Kabel ist nur eine oben liegende Ader 22 eingezeichnet, die im Stecker 10 am gegenüberliegenden Ende in einem einzelnen Kontaktstift S und in der Buchse 12 in einer Einzelbuchse B endet. Sowohl die einzelnen Stifte S als auch die einzelnen Buchsen B befinden sich in sie konzentrisch umgebenden und isolierenden Hülsen H, die in jedem Hohlkörper 16 axial einwärts in einen massiven, im wesentlichen zylindrischen Isolierkörper 24 aus Kunststoff übergehen und mit diesem einen Formkörper bilden, der bei der Montage von der Kabelseite in den zylindrischen Innenmantel des zugeordneten metallischen Hohlkörpers 16 eingeschoben werden kann. Während in der Buchse 12 der Isolierkörper 24 mit allen von ihm hervorstehenden Isolierhülsen H und den darin liegenden Buchsen B und b bis zum äußeren, am weitesten nach innen abgestuften Rand RB des metallischen Körpers 16 aufragt (Figuren 4 und 5), ragt beim Stecker 10 der Isolierkörper 24 mit den groß dimensionierten Stiften S über den äußeren am weitesten nach innen abgestuften Rand RS des metallischen Hohlkörpers 16 hinaus (Figuren 2 und 3). Lediglich die klein dimensionierten Buchsen , b1, b2, b3, b4, beispielsweise zum Übertragen von schwachen, aber gegebenenfalls hochfrequenten Signalströmen, ragen vom Isolierkörper 24 nur bis zum äußeren und am weitesten nach innen abgestuften Rand RS des metallischen Hohlkörpers 16. Dadurch kontaktieren beim Zusammenstecken von Stecker 10 und Buchse 12 in vorteilhafter Weise die Signalkontakte s erst, wenn über die Stromkontakte S eine Stromversorgung bei angekoppeltem Gerät gesichert ist.On the cable side a metallic screw cap 18 is screwed onto the hollow body 10 with a frontal passage for a not shown, multi-core and shielded cable in a conventional manner, which is clamped and sealed by means of a plastic ring 20. Of the cable only one overhead wire 22 is shown, which ends in the plug 10 at the opposite end in a single pin S and in the socket 12 in a single socket B. Both the individual pins S and the individual sockets B are in them concentrically surrounding and insulating sleeves H, which pass in each hollow body 16 axially inwardly into a solid, substantially cylindrical insulating body 24 made of plastic and form a molded body with this, at the assembly of the cable side into the cylindrical inner shell of the associated metallic hollow body 16 can be inserted. While in the sleeve 12 of the insulating body 24 with all of it protruding insulating sleeves H and the bushings B and b lying therein up to the outer, most inwardly stepped edge R B of the metallic body 16 rises ( FIGS. 4 and 5 ) protrudes at the plug 10 of the insulating body 24 with the large-sized pins S on the outer most inwardly stepped edge R S of the metallic hollow body 16 addition ( FIGS. 2 and 3 ). Only the small-sized sockets, b 1 , b 2 , b 3 , b 4 , for example, for transmitting weak, but possibly high-frequency signal currents, protrude from the insulating body 24 only to the outer and most inwardly stepped edge R S of the metallic hollow body sixteenth As a result, when the plug 10 and the socket 12 are plugged together, the signal contacts s contact the signal contact S only when a power supply is secured by the current contacts S when the device is connected.

In besonderer Weise sind die die Erdungs- oder Massekontakte SE und BE im Stecker 10 und in der Buchse 12 gelagert. Diese befinden sich nicht im Isolierkörper 24, sondern in einem metallischen Vorsprung 30 nach innen vom am weitesten nach innen abgestuften Rand RS bzw. RB des metallischen Hohlkörpers 16. Dadurch wird sowohl auf der Steckerseite als auch auf der Buchsenseite die Erd- oder Masseleitung mit den metallischen Hohlkörpern 16 elektrisch verbunden. Zugleich dient der Vorsprung 30 zur Lagesicherung der Isolierkörper 24 in Umfangsrichtung, das heißt ihre Position wird im Inneren der metallischen Hohlkörper 16 durch mit den Vorsprüngen 30 korrespondierende Ausnehmungen lagesicher, und auch die genaue Ausrichtung der beiden Polgesichter zueinander bleibt ebenfalls gesichert. Eine zusätzliche Teileorientierung erfolgt durch ein zentral im Isolierkörper 24 vorgesehenes Schlosspaar 25. Nach dieser Beschreibung können Stecker 10 und Buchse 12 nunmehr ineinander gesteckt werden. Aber es fehlt noch eine Sicherung gegen ein unbeabsichtigtes Lösen. Hierzu dient das in Figuren 1, 6 und 7 dargestellte Arretiermittelstück 14 in Verbindung mit den sich zu den Kontaktseiten verjüngenden Abstufungen der beiden metallischen Körper 16.In a special way, the earth or ground contacts S E and B E are mounted in the plug 10 and in the socket 12. These are not in the insulating body 24, but in a metallic projection 30 inwardly from the most inward stepped edge R S and R B of the metallic hollow body 16. This will both on the plug side and on the socket side, the ground or ground line electrically connected to the metallic hollow bodies 16. At the same time the projection 30 serves to secure the position of the insulating body 24 in the circumferential direction, that is, their position is in the interior of the metallic hollow body 16 by means of projections 30 corresponding recesses positional, and also the exact alignment of the two pole faces to each other also secured. An additional part orientation is effected by a lock pair 25 provided centrally in the insulating body 24. After this description, plug 10 and socket 12 can now be plugged into each other. But there is still a safeguard against unintentional release. The purpose of this is in FIGS. 1 . 6 and 7 shown locking center piece 14 in conjunction with the tapered to the contact sides of gradations of the two metallic body 16th

Das Arretiermittelstück 14 besteht aus zwei gleichen, dicht miteinander durch einen Innenring 38 verbundenen Ringen 32 und 34, die sich entlang einer umlaufenden Trennlinie 36 gegeneinander um einen begrenzten Winkel verdrehen lassen. Am jeweils äußeren Innenrand jedes Ringes 32, 34 sind Nocken 40 ausgebildet. Im hier dargestellten Beispiel sind es drei zueinander um 120° versetzte Nocken 40. In einer Ausgangsposition, die von außen durch eine Gleichstellung von zwei abgeflachten Markierungen 42 und 44 in der mit einer Riffelung 46 versehenen äußeren Mantelfläche des Arretiermittelstückes 14 erkenntlich ist, befinden sich im Inneren des Arretiermittelstückes 14 die drei Nocken 40 axial je zueinander fluchtend. In dieser Position kann das Arretiermittelstück 14 - wie in Figur 1 dargestellt ist - sowohl auf den Stecker 10 als auch auf die Buchse 12 aufgesteckt werden, bis die beiden äußeren und am weitesten nach innen abgestuften Ränder RS und RB der metallischen Hohlkörper 16 innen in dem Arretiermittelstück 14 etwa unterhalb der Trennlinie 36 aneinanderliegen. Dabei greifen die Nocken 40 durch Öffnungen 62 in einem auf einer Mittelstufe M des jeweiligen Hohlkörpers 16 in Umfangsrichtung aufgebrachten, ringförmigen Vorsprung 60. Werden jetzt die beiden Ringe 32 und 34 des Arretiermittelstückes 14 im Sinne der in Figur 1 eingezeichneten Pfeile P1 und P2 gegeneinander verdreht, geraten die Nocken 40 hinter die ringförmigen Vorsprüngen 60 in eine Ringnut 64 bis zu einem hier nicht eingezeichneten Anschlag und fixieren so bajonettartig die Kupplung zwischen Stecker 10 und Buchse 12.The Arretiermittelstück 14 consists of two identical, tightly interconnected by an inner ring 38 rings 32 and 34, which can be rotated along a circumferential parting line 36 against each other by a limited angle. At each outer inner edge of each ring 32, 34 cams 40 are formed. In the example shown here, there are three mutually offset by 120 ° cam 40. In a starting position, which is recognizable from the outside by an equal position of two flattened markings 42 and 44 in the provided with a corrugation 46 outer surface of the Arretiermittelstückes 14, are located in the Inside the Arretiermittelstückes 14, the three cams 40 axially aligned with each other. In this position, the locking center piece 14 - as in FIG. 1 is shown - are plugged both on the plug 10 and on the socket 12 until the two outer and most inwardly stepped edges R S and R B of the metallic hollow body 16 abut each other inside the Arretiermittelstück 14 approximately below the parting line 36. In this case, the cams 40 engage through openings 62 in an annular projection 60, which is applied in the circumferential direction on an intermediate stage M of the respective hollow body 16. Now, the two rings 32 and 34 of the locking means piece 14 in the sense of FIG FIG. 1 Plotted arrows P1 and P2 rotated against each other, get the cam 40 behind the annular projections 60 in an annular groove 64 to a not shown here stop and so fix the coupling between the plug 10 and socket 12 so bayonet.

Da die Öffnungen 62 in den ringförmigen Vorsprüngen 60 beim vollständigen Zusammenstecken unter dem Arretiermittelstück 14 nicht mehr sichtbar sind und nur in einer von drei möglichen Stellungen die Einzelstecker S, s und Einzelbuchsen B, b zueinander ausgerichtet sind, ist es sinnvoll, die einzig zutreffende Öffnung 62 dadurch deutlich zu markieren, dass auf den nach dem vollständigen axialen Zusammenstecken sichtbar bleibenden Außenflächen von Stecker 10 und Buchse 12 jeweils eine Markierung beispielsweise in Form einer Abflachung A vorgesehen wird, die vor dem Zusammenstecken mit den Markierungen 42 und 44 auf dem Arretiermittelstück 14 fluchten muss, um das Zusammenstecken und Fixieren zu ermöglichen.Since the openings 62 are no longer visible in the annular projections 60 when fully mating below the Arretiermittelstück 14 and only in one of three possible positions, the individual sockets S, s and S individual sockets B, b aligned with each other, it makes sense, the only applicable opening 62 clearly mark that on the visible after the complete axial mating outer surfaces of plug 10 and socket 12 each have a mark, for example in the form of a flattening A, which are aligned before mating with the markings 42 and 44 on the Arretiermittelstück 14 must to allow the mating and fixing.

Zum Lösen der Verbindung muss durch Rückdrehen der beiden Ringe 32 und 34 in die Ausgangsposition die Öffnung ermöglicht werden.To release the connection must be made possible by turning back the two rings 32 and 34 in the starting position, the opening.

Eine Besonderheit der Erfindung besteht darin, dass sich das Arretiermittelstück 14 statt aus metallischen Drehteilen auch aus spritzgegossenem Kunststoff und damit wesentlich kostengünstiger und leichter herstellen lässt, ohne die Abschirmungswirkung zu verlieren. Im vollständig zusammengesteckten Zustand liegen nämlich innerhalb des Arretiermittelstücks 14 - auch wenn dieses aus einem isolierenden Material besteht - die kreisförmigen Ränder RS und RB von Stecker 10 und Buchse 12 so dicht aneinander, dass eine galvanische Verbindung entsteht und eine Abschirmung ohne Zwischenraum bleibt. Zudem wird mit Stift SE und Buchse BE eine Masseüberleitung gewährleistet.A special feature of the invention is that the Arretiermittelstück 14 can be made of injection molded plastic instead of metallic turned parts and thus much cheaper and easier without losing the shielding effect. In the fully assembled state, namely within the locking center piece 14 - even if this is made of an insulating material - the circular edges R S and R B of connector 10 and socket 12 so close to each other that a galvanic connection is formed and a shield remains without gap. In addition, a ground connection is ensured with pin S E and socket B E.

Mit Figur 8 wird schematisch angedeutet, dass verschiedene Verbindungen zwischen Kupplungen, Durchführungen D, Winkelsteckern oder Steckdosen mit Hilfe eines Arretiermittelstücks 14 gesichert werden können. Es lassen sich auch Verbindungsketten zwischen Adaptern mit wechselnden Polbildern bilden, um verschiedene Stecksysteme kompatibel zu machen. Die Verbindungen lassen sich auch bei höchsten Verschmutzungsgraden, wie sie in Fertigungsbetrieben oft unvermeidbar sind, gefahrlos einsetzen.With FIG. 8 It is indicated schematically that various connections between couplings, bushings D, angle plugs or sockets can be secured by means of a Arretiermittelstücks 14. It is also possible to form connection chains between adapters with alternating polar patterns in order to make various plug-in systems compatible. The connections can be safely used even with the highest levels of contamination, which are often unavoidable in manufacturing companies.

Die Figuren 9 bis 14 zeigen eine Weiterbildung der Erfindung. Hier ist zu erkennen, dass der aus Kunststoff bestehende Isolierkörper 24 des Steckers 10 im zusammengesteckten Zustand über den Isolierkörper 24 der Buchse 12 greift. Beide Isolierkörper 24 haben eine in Figur 13 angedeutete Montagecodierung 26, die buchsenseitig aus vom Außenumfang des Isolierkörpers 24 vorstehenden Nocken und steckerseitig aus am Innenumfang des Isolierkörpers 24 ausgebildeten Einschnitten besteht, in die die Nocken eingreifen. Zusätzlich zu dieser Montagecodierung 26 sind auch die beiden metallischen Hohlkörper 16 mit einer Montagecodierung versehen, die gleichzeitig eine formschlüssige Verdrehsicherung bildet und die beiden aus Kunststoff bestehenden Isolierkörper 24 entlastet. Zu diesem Zweck sind die Kontaktstirnfläche Rs des Hohlkörpers 16 des Steckers 10 und die Kontaktstirnfläche Rb des Hohlkörpers 16 der Buchse 12 mit axial ausgerichteten Stufen 52 versehen, die im zusammengesteckten Zustand der beiden Kupplungsteile ineinander eingreifen. (vgl. Figur 12). Eine weitere Besonderheit der Weiterbildung der Figuren 9 bis 14 besteht darin, dass zur Sicherung der über die jeweilige Verriegelung 60, 62, 64 hergestellten, axialen Raststellung zwischen Stecker 10 und Hülse 14 bzw. Buchse 12 und Hülse 14 wenigstens eine Rückdrehsicherung vorgesehen ist, die im Ausführungsbeispiel an der Buchse 12 ausgebildet ist. Zu diesem Zweck ist auf den metallischen Hohlkörper 16 der Buchse 12 ein Kunststoffring 54 aufgesetzt und über einen Vorsprung 50 axial fixiert. Von dem Kunststoffring 54 steht eine radial elastisch verformbare Nase 56 axial ab. Dieser Nase 56 ist im Bereich der gegenüberliegenden, offenen Stirnseite der Hülse 14 eine Aussparung 66 mit einer in Verdrehrichtung der Hülse 14 folgenden Rastrampe 58 zugeordnet. Wenn die Hülse 14 zur Herstellung der axialen Raststellung zwischen den beiden Kupplungsteilen 10 und 12 auf den metallischen Hohlkörper 16 der Buchse 12 aufgesetzt ist und anschließend verdreht wird, überfährt die axial vorstehende Nase 56 die Rastrampe 58 in der Hülse 14 und schnappt danach hinter der Rastrampe 58 in eine Raststellung ein, die durch eine radiale Flanke 68 an der Rückseite der Rastrampe 58 gebildet wird. Damit ist die Hülse 14 auf dem Hohlkörper 16 der Buchse 12 nicht nur axial, sondern auch gegen Rückdrehung gesichert.The FIGS. 9 to 14 show a development of the invention. Here it can be seen that the plastic insulating body 24 of the plug 10 engages in the assembled state on the insulating body 24 of the bush 12. Both insulators 24 have an in FIG. 13 indicated Montagecodierung 26, the socket side from the outer periphery of the insulating body 24 protruding cam and plug side formed on the inner circumference of the insulating body 24 incisions into which engage the cams. In addition to this mounting coding 26 and the two metallic hollow body 16 are provided with a mounting coding, which simultaneously forms a positive rotation and relieves the two insulating body 24 made of plastic. For this purpose, the contact end face R s of the hollow body 16 of the plug 10 and the contact end face R b of the hollow body 16 of the bushing 12 are provided with axially aligned steps 52 which engage in one another in the assembled state of the two coupling parts. (see. FIG. 12 ). Another special feature of the further education FIGS. 9 to 14 is that for securing the over the respective locking 60, 62, 64 produced, axial detent position between the plug 10 and sleeve 14 and sleeve 12 and sleeve 14 at least one reverse rotation is provided, which is formed in the embodiment of the sleeve 12. For this purpose, a plastic ring 54 is placed on the metallic hollow body 16 of the bushing 12 and axially fixed by a projection 50. From the plastic ring 54 is a radially elastically deformable nose 56 axially. This nose 56 is in the region of the opposite, open end face of the sleeve 14 associated with a recess 66 with a following in the direction of rotation of the sleeve 14 locking ramp 58. When the sleeve 14 is placed to produce the axial detent position between the two coupling parts 10 and 12 on the metallic hollow body 16 of the bushing 12 and then rotated, the axially projecting nose 56 passes over the latching ramp 58 in the sleeve 14 and then snaps behind the latching ramp 58 in a locking position, which is formed by a radial edge 68 on the back of the locking ramp 58. Thus, the sleeve 14 is secured on the hollow body 16 of the bush 12 not only axially, but also against reverse rotation.

Um diese Sicherung zu lösen, ist im Bereich der Nase 56 am Kunststoffring 54 eine Drucktaste 70 ausgebildet, die von Hand radial eingedrückt werden kann, um die Nase 56 nach innen zu drücken, damit diese außer Eingriff mit der Flanke 68 gebracht werden kann. Die Hülse 14 kann damit wieder in die Ausgangsstellung zurückgedreht werden, in der die Nase 56 in die Aussparung 66 eingreift, so dass die Hülse 14 vom Hohlkörper 16 der Buchse 12 abgezogen werden kann.To solve this problem, a pushbutton 70 is formed in the region of the nose 56 on the plastic ring 54, which can be pressed radially by hand to push the nose 56 inwardly, so that it can be brought out of engagement with the flank 68. The sleeve 14 can thus be rotated back into the starting position, in which the nose 56 engages in the recess 66, so that the sleeve 14 can be withdrawn from the hollow body 16 of the bush 12.

Insbesondere in den Figuren 9 und 14 ist zu erkennen, dass ein nahezu identischer Kunststoffring 54' auch auf dem Hohlkörper 16 des Steckers 10 fixiert ist, der hier allerdings keine Drucktaste 70 und keine Nase 56 hat und damit keine Rückdrehsicherung bildet. Die beiden Kunststoffringe 54 und 54' haben hier eine zusätzliche Markierungsfunktion, die darin besteht, dass sie mit unterschiedlicher Farbgebung auf unterschiedliche Übertragungsaufgaben o. dgl. hinweisen, indem beispielsweise ein roter Kunststoffring 54 auf eine andere Polzahl wie ein blauer Kunststoffring 54 hinweist oder angibt, ob die Rundsteckverbindung zur Starkstromversorgung oder zur Signalübertragung oder für beides dient.Especially in the Figures 9 and 14 It can be seen that a nearly identical plastic ring 54 'is also fixed on the hollow body 16 of the plug 10, but here has no push button 70 and no nose 56 and thus does not form a reverse rotation. The two plastic rings 54 and 54 'here have an additional marking function, which is that they point with different colors on different transfer tasks o. The like., For example, by a red plastic ring 54 indicates another pole number such as a blue plastic ring 54 or indicates whether the circular connector is for power or signal transmission or both.

Claims (14)

  1. Modular round plug connector for making a connection between housings of different types or for creating chains of connections for screened, multi-pole cable connections whose purpose is to transmit large currents and/or signals where, between two parts of the coupling (10, 12) that are to be joined, a sleeve (14) that is open at both ends and which can rotate in two directions through a limited angle is positioned over the joined contacts (S, B, s, b) of the coupling assemblies, and which has axially projecting lugs (40) on both sides in the region of its inner edges, characterized in that the sleeve (14) is divided, for the sake of its different rotary movement, along a separating line (36) that extends around the circumference, into two rings (32, 34) which lie close against another, and which are bridged by a narrow inner ring (38) located within them, whereby in one direction of rotation the lugs (40) of one open end engage behind a locking mechanism (60, 62, 64) of one coupling assembly (10) and in the other direction of rotation the lugs (40) of the other open end engage a locking piece (60, 62, 64) of the other coupling assembly (12).
  2. Modular round plug connector according to Claim 1, characterized in that the variable rotary movement latches into place.
  3. Modular round plug connector according to Claim 1 or 2, characterized in that a reverse-motion lock is provided on at least one coupling assembly (10, 12) in order to secure the latched axial position between the coupling assembly (10, 12) and the sleeve (14) that has been established through the locking mechanism (60, 62, 64).
  4. Modular round plug connector according to Claim 3, characterized in that the reverse-motion lock consists of a nose (56) that can be elastically deformed radially on the coupling piece (10, 12) and of a latching ramp (58) formed in a region of the open end of the sleeve (14), over which, when the sleeve (14) is turned into the latching position, the nose (56) travels, which then snaps into its latched position behind the latching ramp (58).
  5. Modular round plug connector according to Claim 4, characterized in that the nose (56) protrudes axially from a plastic ring (54), that is placed on and fixed to the coupling piece (10, 12), in the region of a push-button (70) that can be pressed in.
  6. Modular round plug connector according to one of the foregoing claims, characterized in that the coupling assemblies (10, 12) consist of hollow metal bodies (16) whose diameter reduces in steps towards their contact faces within the sleeve (14).
  7. Modular round plug connector according to Claim 6, characterized in that the hollow metallic bodies (16) come into electrically conductive contact at their contacting end faces (RS, RB) inside the sleeve (14).
  8. Modular round plug connector according to Claim 7, characterized in that the contact faces (Rs, RB) of the two hollow bodies (16) have assembly encoding in the form of mutually engaging, axially aligned steps (52).
  9. Modular round plug connector according to Claim 8, characterized in that the step within the hollow metallic body (16) that supports the locking mechanism (60, 62, 64) on its circumferential surface has a diameter over which the diameter of the interior edge of the sleeve (14), that is open at its two end faces, fits precisely.
  10. Modular round plug connector according to one of the foregoing claims, characterized in that the locking mechanism (60, 62, 64) consists of an annular projection (60), adjacent to a groove (64) located behind it, and having openings (62) distributed around and interrupting the circumference of the projection (60), through which, when the plug connector is joined together, the lugs (40) pass and engage in the groove (64) when the sleeve (14) is rotated as far as a stop.
  11. Modular round plug connector according to Claim 10, characterized in that the correct position of the lugs (40) with respect to the associated openings (62) on the sleeve (14) is indicated by markings (42, 44), and on the hollow metal body (16) by markings (A) that are aligned in the same axial direction.
  12. Modular round plug connector according to one of the foregoing claims, characterized in that individual contacts (S, s, B, b) are located in a corresponding insulating body (24) inside of metallic hollow bodies (16), extending in the coupling part that is formed as the socket assembly (12) as far as the contacting edge (RB), and extending in the coupling part that is formed as the plug assembly (10) axially beyond the contacting edge (RS).
  13. Modular round plug connector according to Claim 12, characterized in that at the contacting edge (RS, RB) a metallic, inwardly-pointing projection (30) is incorporated, which, on the one hand, accepts both a grounding pin (SE) and a grounding socket (BE) and which on the other hand provides a fixing point that prevents rotation of the insulating body (24).
  14. Modular round plug connector according to one of the foregoing claims, characterized in that the cable end is replaced by a plug or socket with a different coding in order to create an adapter whose further connection can also be secured with a sleeve (14).
EP07123335A 2006-12-19 2007-12-17 Modular round plug Active EP1936752B1 (en)

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DE202006019235U DE202006019235U1 (en) 2006-12-19 2006-12-19 Modular circular connector

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PL1936752T3 (en) 2012-08-31
ES2384254T3 (en) 2012-07-03
EP1936752A3 (en) 2009-12-16
DE202006019235U1 (en) 2008-05-08
EP1936752A2 (en) 2008-06-25
ATE546862T1 (en) 2012-03-15

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