EP2615695A1 - Connector for a data cable and method for its production - Google Patents

Connector for a data cable and method for its production Download PDF

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Publication number
EP2615695A1
EP2615695A1 EP12401005.9A EP12401005A EP2615695A1 EP 2615695 A1 EP2615695 A1 EP 2615695A1 EP 12401005 A EP12401005 A EP 12401005A EP 2615695 A1 EP2615695 A1 EP 2615695A1
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EP
European Patent Office
Prior art keywords
plug
data cable
protective body
protective
protection
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
EP12401005.9A
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German (de)
French (fr)
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EP2615695B1 (en
Inventor
Tibor Kovacs
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Individual
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Individual
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Publication date
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Priority to EP12401005.9A priority Critical patent/EP2615695B1/en
Priority to HUE12401005A priority patent/HUE028876T2/en
Publication of EP2615695A1 publication Critical patent/EP2615695A1/en
Application granted granted Critical
Publication of EP2615695B1 publication Critical patent/EP2615695B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
    • H01R13/562—Bending-relieving
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5213—Covers
    • 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
    • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
    • H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
    • H01R24/64—Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members

Definitions

  • the invention relates to a plug for a data cable with the features of the preamble of claim 1 and a method for its production with the features of the preamble of claim.
  • Such plug, with and without protection unit are used for example in data cabinets of telecommunications equipment, in which numerous data cables must be plugged into headers for a permanent, but detachable connector.
  • Such connectors are described for example in the US telecommunications standard FCC 68,500.
  • a plug of the type mentioned is described, which has a protective coating as a protective unit, which has both a locking tongue protection to protect a latching tongue on the plug body and a kink protection at the transition between the plug body and the sheathed wires of the data cable.
  • the encapsulation is made after the plug is attached. So that the thermal and mechanical effects of the encapsulation do not reduce the performance of the data cable, a careful and therefore cost-intensive production is necessary.
  • the invention is therefore based on the object to improve a plug of the type mentioned and to provide a method for its production. This object is achieved by a plug with the features of claim 1 and a method having the features of claim 9.
  • Advantageous embodiments are the subject of the dependent claims.
  • a two-part design of the protection unit makes it possible to use in the critical region of the transition between the plug body and the sheathed wires of the data cable a prefabricated kink protection as part of the protection unit, and make the remaining protection unit as Partumspritzung the attached plug body and preferably also partially the kink protection. Overall, this makes the ready-made data cable ("patch cord” or short "cord”) cheaper to produce.
  • the material bond is provided at the transition between the protective body and the kink protection.
  • the material connection has the advantage that an externally invisible connection between the parts is created in their capacity correspond to a (original) one-piece design of the protection unit. This does not exclude that in addition a positive connection, for example by means of geometric details, and / or a frictional connection, for example by means of shrinking, created.
  • the parts of the protection unit overlap radially. This not only creates a suitable contact surface for the formation of the material bond, but it is also buried the transition to the plug body.
  • the transition ie the "interface" between the parts of the protection unit can be placed on an (inner) edge. The bipartite and the material bond are only visible after the protective unit has been cut open.
  • the two-part design of the protection unit also allows a material adaptation of the parts, both in terms of their tasks, for example, in terms of Shore hardness, as well as with respect to labeling functions, such as colors and other nature, which an individual identification of the connector and thus the ready-made data cable enable.
  • the performance of the assembled data cable is completely retained even with the partial encapsulation. Also preserved are all the proven features and benefits of the DE 20 2004 019 870 U1 known connector, for example, the design, the geometric identification options, the anti-kink technology and the encapsulation of the plug body.
  • a designated as a whole with 1 connector is attached to the end of a ready-made data cable 3.
  • the cable-side end of the plug 1 is hereinafter referred to as "rear", the free end with "front”, whereby at the same time the longitudinal direction of the data cable 3 and thus also of the plug 1 is defined.
  • the plug 1 has a core as a substantially cuboid plug body 5 made of plastic. Like in the DE 20 2004 019 870 U1 is described, the disclosure content is expressly included, each wire of the data cable 3 is passed through the plug body 5 to the front end and there on the hereinafter referred to as "bottom" side of the plug body 5 to contact elements electrically contacted.
  • the screen of the data cable 3 is electric conductively connected to a partially exposed in the direction of the front end of the plug 1 contact surface of the plug body 5.
  • the mechanical connection of the wires of the data cable 3 with the plug body 5 is preferably carried out by crimping, for which purpose a depression is provided on the underside of the plug body 5.
  • an elongate latching tongue 7 is provided, which points with its free end along the plug 1 to the rear and obliquely from the side of the plug body 5 referred to below as "top" protrudes above.
  • the longitudinal direction of the plug 1 and the protruding latching tongue 7 define a plane to which the plug 1 is formed symmetrically, the plug body 5 with latching tongue 7 is produced by casting. Due to a region of low material thickness, the latching tongue 7 can be bent in the direction of the top of the plug body 5 and brought into abutment with this.
  • the latching tongue 7 is again bent outwards due to the elasticity of the material, that it protrudes again from the plug body 5, the plug body 5 and the latching tongue 7 provide the mating of the plug 1 with a header or socket the mechanical connection.
  • the latching tongue 7 engages partially in a groove of the connector strip, so that only one located at its free end portion for releasing the connector remains accessible.
  • the plug 1 has a protective unit 11, which consists of a protective body 13, a formed on the top of the protective body 13 locking tongue protector 15 and arranged at the rear end of the protective body 13 kink protection 17.
  • the anti-buckling 17 encloses and covers the portion of the data cable 3, before it is guided into the plug body 5.
  • the kink protection 17 acts due to circumferentially extending slots resilient to lateral forces.
  • the substantially cuboid protective body 13 partially covers, in this case approximately half, the plug body 5 from four sides.
  • the locking tongue protector 15 projects from the protective body 13 obliquely upward and is formed in the direction of the latching tongue 7 to tongue-shaped.
  • the locking tongue protector 15 viewed from the side, has a bow shape that rises to the front, which-in the non-inserted state of the plug 1-approaches the catch tongue 7 that rises to the rear.
  • the latching tongue protection 15 ends with its free end 19 in the region of the free end of the latching tongue 7, more precisely just above it.
  • the locking tongue protector 15 is slightly wider than the locking tongue 7 (almost twice as wide) and is formed laterally with slightly downwardly drawn edges 21, so that there is a downwardly open receptacle 23. The - arranged within this receptacle 23 - free end of the latching tongue 7 is thus covered by the latching tongue protection 15 from above and from the side and thereby protected from damage.
  • the protection unit 11 is a component composed of two parts.
  • the kink protection 17 is a prefabricated (in particular injection-molded) part, while the protective body 13 with the molded-on latching tongue protection 15 is a (subsequent) partial injection.
  • the hollow bend protection 17 is pushed on one end of the initially unassembled data cable 3. Then, in the manner described above, the wires of the data cable 3 are inserted into the plug body 5 and mechanically and electrically connected thereto.
  • the plug body 5 has at the rear a first socket 5a, through which the sheathed wires are inserted into the plug body 5.
  • the anti-buckling 17 has a second nozzle 17b front.
  • the two sockets 5a and 17b have at least approximately the shape of hollow cylinders, which are arranged coaxially to the longitudinal direction of the data cable 3.
  • the two sockets 5a and 17b preferably have the same inner diameter.
  • the outer diameter of the second nozzle 17b is greater than that of the first nozzle 5a.
  • the first neck 5a preferably has two radial (with respect to the longitudinal direction of the data cable 3) opposite and radially outwardly facing lugs, which serve later as Verwarschutz.
  • the kink protection 17 is moved to the plug body 5 to the front, so that the two stubs 5a and 17b frontally come into contact with each other.
  • the plug body 5 and the bend protection 17 are in each case partially encapsulated, whereby the protective body 13 and integrally therewith the latching tongue protection 15 arise.
  • This subsequently produced, referred to as Railumspritzung part of the protection unit 11 is fixedly connected in a radially overlapping area with the bend protection 17 as prefabricated part of the protection unit 11, ie at the transition between the protective body 13 and anti-buckling 17.
  • the second nozzle 17b through the initially warm material of the protective body 13 is heated. Due to the superficial heating of the second nozzle 17b, the material of which is crosslinked with the warm material of the protective body 13, so that a material bond is formed with the cooling, similar to welding. Due to the radial overlap of the material connection having transition between the protective body 13 and anti-buckling 17 is provided on an approximately cylindrical surface which extends in the longitudinal direction of the data cable 3 and in the circumferential direction thereof.
  • the nozzle 5a and 17b may also form a positive connection with the protective body 13 arise.
  • the sectionumspritzung can also be a shrinkage, so create a traction. Due to the material bond in the (radially) overlapping region of Operaumspritzung and kink protection 17, the transition between the Generalumspritzung and the prefabricated part, so the protective body 13 and the bend protection 17, gap-free and thus not visible externally.
  • the contact point of the two nozzles 5a and 17b is completely covered by the encapsulation.
  • the outer end of the transition between the protective body 13 and the anti-buckling 17 is provided on an inner edge of the protection unit 11, so that even a seam is not externally visible.
  • the plastic material from which the plug body 5 is made significantly harder than the plastic materials from which the Partumspritzung and the bend protection 17 are made.
  • the Railumspritzung and the anti-buckling 17 may alternatively consist of different materials, of the same material with different (Shore) hardness or of the same material with the same hardness.
  • different colors or the same color can be provided.
  • Preferred materials are polyvinyl chlorides, polypropylenes and thermoplastic elastomers.
  • the plug 1 is grasped with the thumb and forefinger, the thumb pushing down the latching tongue protector 15 and at the same time the latching tongue 7, wherein the latching tongue protector 15 lies over the latching tongue 7.
  • a preferably roughened underside of the protective body 13 prevents slipping of the index finger.
  • the plug 1 is inserted into the header or socket until the contact elements and contact surfaces cooperate with their respective counterparts.
  • the now released latching tongue 7 and the positive connection of the plug body 5 secure by cooperation with the corresponding counterparts of the connector or the socket, the plug 1 against slipping out.
  • the locking tongue protection 15 goes back to its original position due to the elasticity of the material.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The connector (1) has connector main portion (5) and protective unit (11) comprising a protective main portion (13) and antikink (17). The protective main portion covers connector main portion and the antikink covers data cable (3). The antikink is prefabricated element and the protective main portion is cast molding element, which are interconnected by material bond. An independent claim is included for method for production of connector.

Description

Die Erfindung betrifft einen Stecker für ein Datenkabel mit den Merkmalen des Oberbegriffs des Anspruches 1 und ein Verfahren zu dessen Herstellung mit den Merkmalen des Oberbegriffs des Anspruches 9.The invention relates to a plug for a data cable with the features of the preamble of claim 1 and a method for its production with the features of the preamble of claim. 9

Derartige Stecker, mit und ohne Schutzeinheit, werden beispielsweise in Datenschränken von Telekommunikationsanlagen verwendet, in denen zahlreiche Datenkabel in Steckleisten gesteckt werden müssen für eine dauerhafte, aber lösbare Steckverbindung. Solche Stecker sind beispielsweise in der US-amerikanischen Telekommunikationsnorm FCC 68.500 beschrieben. In der DE 20 2004 019 870 U1 ist ein Stecker der eingangs genannten Art beschrieben, welcher als Schutzeinheit eine Umspritzung aufweist, die sowohl einen Rastzungenschutz zum Schutz einer Rastzunge am Steckerkörper als auch einen Knickschutz am Übergang zwischen dem Steckerkörper und den ummantelten Adern des Datenkabel aufweist. Die Umspritzung wird hergestellt, nachdem der Stecker angebracht ist. Damit die thermischen und mechanischen Auswirkungen der Umspritzung nicht die Performance des Datenkabels reduzieren, ist eine sorgfältige und damit kostenintensive Herstellung notwendig.Such plug, with and without protection unit, are used for example in data cabinets of telecommunications equipment, in which numerous data cables must be plugged into headers for a permanent, but detachable connector. Such connectors are described for example in the US telecommunications standard FCC 68,500. In the DE 20 2004 019 870 U1 a plug of the type mentioned is described, which has a protective coating as a protective unit, which has both a locking tongue protection to protect a latching tongue on the plug body and a kink protection at the transition between the plug body and the sheathed wires of the data cable. The encapsulation is made after the plug is attached. So that the thermal and mechanical effects of the encapsulation do not reduce the performance of the data cable, a careful and therefore cost-intensive production is necessary.

Der Erfindung liegt daher die Aufgabe zu Grunde, einen Stecker der eingangs genannten Art zu verbessern und ein Verfahren zu dessen Herstellung zur Verfügung zu stellen. Diese Aufgabe wird erfindungsgemäß gelöst durch einen Stecker mit den Merkmalen des Anspruches 1 und ein Verfahren mit den Merkmalen des Anspruches 9. Vorteilhafte Ausgestaltungen sind Gegenstand der Unteransprüche.The invention is therefore based on the object to improve a plug of the type mentioned and to provide a method for its production. This object is achieved by a plug with the features of claim 1 and a method having the features of claim 9. Advantageous embodiments are the subject of the dependent claims.

Eine zweiteilige Ausbildung der Schutzeinheit erlaubt es, im kritischen Bereich des Übergangs zwischen dem Steckerkörper und den ummantelten Adern des Datenkabels einen vorgefertigten Knickschutz als Teil der Schutzeinheit einzusetzen, und die restliche Schutzeinheit als Teilumspritzung des angebrachten Steckerkörpers und vorzugsweise auch teilweise des Knickschutzes vorzunehmen. Insgesamt ist damit das konfektionierte Datenkabel ("Patch Cord" oder kurz "Cord") kostengünstiger herstellbar.A two-part design of the protection unit makes it possible to use in the critical region of the transition between the plug body and the sheathed wires of the data cable a prefabricated kink protection as part of the protection unit, and make the remaining protection unit as Teilumspritzung the attached plug body and preferably also partially the kink protection. Overall, this makes the ready-made data cable ("patch cord" or short "cord") cheaper to produce.

Der Stoffschluss ist am Übergang zwischen dem Schutzkörper und dem Knickschutz vorgesehen. Gegenüber bekannten zweiteiligen Ausbildungen der Schutzeinheit, deren Teile lediglich durch einen Formschluss und/oder durch einen Kraftschluss und/oder durch Verkleben miteinander verbunden sind, hat der Stoffschluss den Vorteil, dass eine äußerlich nicht sichtbare Verbindung zwischen den Teilen geschaffen wird, die in ihrer Belastbarkeit einer (originär) einteiligen Ausbildung der Schutzeinheit entsprechen. Dies schließt nicht aus, dass zusätzlich ein Formschluss, beispielsweise mittels geometrischer Details, und/oder ein Kraftschluss, beispielsweise mittels Aufschrumpfens, geschaffen wird.The material bond is provided at the transition between the protective body and the kink protection. Compared with known two-part designs of the protection unit whose parts are connected to each other only by a positive connection and / or by a frictional connection and / or by gluing, the material connection has the advantage that an externally invisible connection between the parts is created in their capacity correspond to a (original) one-piece design of the protection unit. This does not exclude that in addition a positive connection, for example by means of geometric details, and / or a frictional connection, for example by means of shrinking, created.

Bezogen auf die Längsrichtung des Datenkabels ist es von Vorteil, wenn die Teile der Schutzeinheit radial überlappen. Damit wird nicht nur eine geeignete Kontaktfläche für die Ausbildung des Stoffschlusses geschaffen, sondern es wird auch der Übergang zum Steckerkörper vergraben. Zudem kann der Übergang (also die "Nahtstelle") zwischen den Teilen der Schutzeinheit an eine (Innen-)Kante gelegt werden. Die Zweiteiligkeit und der Stoffschluss sind erst nach einem Aufschneiden der Schutzeinheit sichtbar.With respect to the longitudinal direction of the data cable, it is advantageous if the parts of the protection unit overlap radially. This not only creates a suitable contact surface for the formation of the material bond, but it is also buried the transition to the plug body. In addition, the transition (ie the "interface") between the parts of the protection unit can be placed on an (inner) edge. The bipartite and the material bond are only visible after the protective unit has been cut open.

Die zweiteilige Ausbildung der Schutzeinheit erlaubt auch eine Materialadaption der Teile, sowohl in Bezug auf ihre Aufgaben, beispielsweise hinsichtlich der Shorehärte, als auch in Bezug auf Kennzeichnungsfunktionen, beispielsweise hinsichtlich der Farben und sonstigen Beschaffenheit, welche eine individuelle Kennzeichnung des Steckers und damit des konfektionierten Datenkabels ermöglichen. Die Performance des konfektionierten Datenkabels bleibt auch mit der Teilumspritzung vollständig erhalten. Ebenfalls erhalten bleiben alle bewährten Merkmale und Vorteile des aus der DE 20 2004 019 870 U1 bekannten Steckers, beispielsweise das Design, die geometrischen Kennzeichnungsmöglichkeiten, die Knickschutztechnologie und die Kapselung des Steckerkörpers.The two-part design of the protection unit also allows a material adaptation of the parts, both in terms of their tasks, for example, in terms of Shore hardness, as well as with respect to labeling functions, such as colors and other nature, which an individual identification of the connector and thus the ready-made data cable enable. The performance of the assembled data cable is completely retained even with the partial encapsulation. Also preserved are all the proven features and benefits of the DE 20 2004 019 870 U1 known connector, for example, the design, the geometric identification options, the anti-kink technology and the encapsulation of the plug body.

Im folgenden ist die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen

  • Fig. 1 eine Seitenansicht des Ausführungsbeispiels,
  • Fig. 2 eine Untersicht des Ausführungsbeispiels,
  • Fig. 3 einen Längsschnitt durch das Ausführungsbeispiel in perspektivischer Ansicht,
  • Fig. 4 eine Seitenansicht von Knickschutz und Steckerkörper,
  • Fig. 5 eine Seitenansicht des Schutzkörpers, und
  • Fig. 6 eine Vorderansicht des Ausführungsbeispiels.
In the following the invention with reference to an embodiment shown in the drawing is explained in more detail. Show it
  • Fig. 1 a side view of the embodiment,
  • Fig. 2 a bottom view of the embodiment,
  • Fig. 3 a longitudinal section through the embodiment in perspective view,
  • Fig. 4 a side view of kink protection and plug body,
  • Fig. 5 a side view of the protective body, and
  • Fig. 6 a front view of the embodiment.

Ein als Ganzes mit 1 bezeichneter Stecker ist am Ende eines konfektionierten Datenkabels 3 angebracht. Das kabelseitige Ende des Steckers 1 ist im folgenden mit "hinten" bezeichnet, das freie Ende mit "vorne", wodurch zugleich die Längsrichtung des Datenkabels 3 und damit auch des Steckers 1 definiert ist. Der Stecker 1 weist als Kern einen im wesentlichen quaderförmigen Steckerkörper 5 aus Kunststoff auf. Wie in der DE 20 2004 019 870 U1 beschrieben ist, deren Offenbarungsgehalt ausdrücklich einbezogen wird, ist jede Ader des Datenkabels 3 durch den Steckerkörper 5 bis zu dessen vorderen Ende hindurchgeführt und dort auf der im folgenden mit "unten" bezeichneten Seite des Steckerkörpers 5 an Kontaktelementen elektrisch kontaktierbar. Entsprechend ist der Schirm des Datenkabels 3 elektrisch leitend mit einer in Richtung auf das vordere Ende des Steckers 1 teilweise freiliegenden Kontaktfläche des Steckerkörpers 5 verbunden. Die mechanische Verbindung der Adern des Datenkabels 3 mit dem Steckerkörper 5 erfolgt vorzugsweise mittels Crimpen, wofür eine Vertiefung auf der Unterseite des Steckerkörpers 5 vorgesehen ist.A designated as a whole with 1 connector is attached to the end of a ready-made data cable 3. The cable-side end of the plug 1 is hereinafter referred to as "rear", the free end with "front", whereby at the same time the longitudinal direction of the data cable 3 and thus also of the plug 1 is defined. The plug 1 has a core as a substantially cuboid plug body 5 made of plastic. Like in the DE 20 2004 019 870 U1 is described, the disclosure content is expressly included, each wire of the data cable 3 is passed through the plug body 5 to the front end and there on the hereinafter referred to as "bottom" side of the plug body 5 to contact elements electrically contacted. Accordingly, the screen of the data cable 3 is electric conductively connected to a partially exposed in the direction of the front end of the plug 1 contact surface of the plug body 5. The mechanical connection of the wires of the data cable 3 with the plug body 5 is preferably carried out by crimping, for which purpose a depression is provided on the underside of the plug body 5.

Am vorderen Ende des Steckerkörpers 5 mittig und mit diesem einstückig ausgebildet ist das eine Ende einer länglichen Rastzunge 7 vorgesehen, die mit ihrem freien Ende entlang des Steckers 1 nach hinten weist und von der im folgenden mit "oben" bezeichneten Seite des Steckerkörpers 5 schräg nach oben absteht. Die Längsrichtung des Steckers 1 und die abstehende Rastzunge 7 definieren eine Ebene, zu der der Stecker 1 symmetrisch ausgebildet ist, der Steckerkörper 5 mit Rastzunge 7 wird durch Vergießen hergestellt. Aufgrund eines Bereichs mit geringer Materialstärke kann die Rastzunge 7 in Richtung auf die Oberseite des Steckerkörpers 5 zu gebogen werden und in Anlage mit dieser gebracht werden. Ohne äußere Kräfte wird die Rastzunge 7 aufgrund der Elastizität des Materials wieder so nach außen gebogen, dass sie wieder vom Steckerkörper 5 absteht, der Steckerkörper 5 und die Rastzunge 7 stellen beim Zusammenstecken des Steckers 1 mit einer Steckleiste oder Steckbuchse die mechanische Verbindung her. Vorzugsweise greift dabei die Rastzunge 7 teilweise in eine Nut der Steckleiste ein, so dass nur ein zu ihrem freien Ende hin gelegener Abschnitt zum Lösen der Steckverbindung zugänglich bleibt. Mit der mechanischen Verbindung wird auch die elektrische Verbindung über die Kontaktelemente und die Kontaktfläche hergestellt.Centered at the front end of the plug body 5 and formed integrally therewith, one end of an elongate latching tongue 7 is provided, which points with its free end along the plug 1 to the rear and obliquely from the side of the plug body 5 referred to below as "top" protrudes above. The longitudinal direction of the plug 1 and the protruding latching tongue 7 define a plane to which the plug 1 is formed symmetrically, the plug body 5 with latching tongue 7 is produced by casting. Due to a region of low material thickness, the latching tongue 7 can be bent in the direction of the top of the plug body 5 and brought into abutment with this. Without external forces, the latching tongue 7 is again bent outwards due to the elasticity of the material, that it protrudes again from the plug body 5, the plug body 5 and the latching tongue 7 provide the mating of the plug 1 with a header or socket the mechanical connection. Preferably, the latching tongue 7 engages partially in a groove of the connector strip, so that only one located at its free end portion for releasing the connector remains accessible. With the mechanical connection and the electrical connection via the contact elements and the contact surface is made.

Der Stecker 1 weist eine Schutzeinheit 11 auf, welche aus einem Schutzkörper 13, einem an der Oberseite des Schutzkörpers 13 angeformten Rastzungenschutz 15 und einem am hinteren Ende des Schutzkörpers 13 angeordneten Knickschutz 17 besteht. Der Knickschutz 17 umschließt und bedeckt den Abschnitt des Datenkabels 3, bevor es in der Steckerkörper 5 hineingeführt ist. Dabei wirkt der Knickschutz 17 aufgrund von in Umfangsrichtung verlaufenden Schlitzen nachgiebig auf seitliche Kräfte. Der im wesentlichen quaderförmige Schutzkörper 13 bedeckt teilweise, vorliegend etwa zur Hälfte, den Steckerkörper 5 von vier Seiten.The plug 1 has a protective unit 11, which consists of a protective body 13, a formed on the top of the protective body 13 locking tongue protector 15 and arranged at the rear end of the protective body 13 kink protection 17. The anti-buckling 17 encloses and covers the portion of the data cable 3, before it is guided into the plug body 5. In this case, the kink protection 17 acts due to circumferentially extending slots resilient to lateral forces. The substantially cuboid protective body 13 partially covers, in this case approximately half, the plug body 5 from four sides.

Der Rastzungenschutz 15 steht vom Schutzkörper 13 schräg nach oben ab und ist in Richtung auf die Rastzunge 7 zu zungenförmig ausgebildet. Dabei weist der Rastzungenschutz 15 von der Seite aus betrachtet eine nach vorne ansteigende Bogenform auf, welche sich - im nicht-eingesteckten Zustand des Steckers 1 - der nach hinten ansteigenden Rastzunge 7 nähert. Der Rastzungenschutz 15 endet mit seinem freien Ende 19 im Bereich des freien Endes der Rastzunge 7, genauer gesagt knapp oberhalb desselben. Der Rastzungenschutz 15 ist etwas breiter als die Rastzunge 7 (knapp doppelt so breit) und ist seitlich mit leicht heruntergezogenen Rändern 21 ausgeformt, so dass sich eine nach unten geöffnete Aufnahme 23 ergibt. Das - innerhalb dieser Aufnahme 23 angeordnete - freie Ende der Rastzunge 7 wird also durch den Rastzungenschutz 15 von oben her und von der Seite her abgedeckt und dadurch vor Beschädigungen geschützt.The locking tongue protector 15 projects from the protective body 13 obliquely upward and is formed in the direction of the latching tongue 7 to tongue-shaped. In this case, the locking tongue protector 15, viewed from the side, has a bow shape that rises to the front, which-in the non-inserted state of the plug 1-approaches the catch tongue 7 that rises to the rear. The latching tongue protection 15 ends with its free end 19 in the region of the free end of the latching tongue 7, more precisely just above it. The locking tongue protector 15 is slightly wider than the locking tongue 7 (almost twice as wide) and is formed laterally with slightly downwardly drawn edges 21, so that there is a downwardly open receptacle 23. The - arranged within this receptacle 23 - free end of the latching tongue 7 is thus covered by the latching tongue protection 15 from above and from the side and thereby protected from damage.

Die Schutzeinheit 11 ist ein aus zwei Teilen zusammengefügtes Bauteils. Der Knickschutz 17 ist ein vorgefertigtes (insbesondere gespritzes) Teil, während der Schutzkörper 13 mit dem angeformtem Rastzungenschutz 15 eine (nachträgliche) Teilumspritzung ist.The protection unit 11 is a component composed of two parts. The kink protection 17 is a prefabricated (in particular injection-molded) part, while the protective body 13 with the molded-on latching tongue protection 15 is a (subsequent) partial injection.

Zur Herstellung des Steckers 1 (und damit zur Herstellung des konfektionierten Datenkabels 3) wird an einem Ende des zunächst unkonfektionierten Datenkabels 3 der hohle Knickschutz 17 aufgeschoben. Dann werden in der oben beschriebenen Weise die Adern des Datenkabels 3 in den Steckerkörper 5 eingeführt und mit diesem mechanisch und elektrisch verbunden. Der Steckerkörper 5 weist hinten einen ersten Stutzen 5a auf, durch welchen die ummantelten Adern in den Steckerkörper 5 eingeführt werden. Der Knickschutz 17 weist vorne einen zweiten Stutzen 17b auf. Die beiden Stutzen 5a und 17b haben wenigstens näherungsweise die Form von Hohlzylindern, welcher koaxial zur Längsrichtung des Datenkabels 3 angeordnet sind. Die beiden Stutzen 5a und 17b weisen vorzugsweise den gleichen Innendurchmesser auf. Vorzugsweise ist jedoch der Außendurchmesser der zweite Stutzen 17b größer als derjenige des ersten Stutzens 5a. Der erste Stutzen 5a weist vorzugsweise zwei radial (bezüglich der Längsrichtung des Datenkabels 3) gegenüberliegende und radial nach außen weisenden Nasen auf, welche später als Verdrehschutz dienen. Spätestens wenn der Steckerkörper 5 am Ende des Datenkabel 3 fertig angebracht ist, wird der Knickschutz 17 zum Steckerkörper 5 nach vorne verschoben, so dass die beiden Stutzen 5a und 17b stirnseitig in Anlage aneinander kommen.For the production of the plug 1 (and thus for the production of the assembled data cable 3), the hollow bend protection 17 is pushed on one end of the initially unassembled data cable 3. Then, in the manner described above, the wires of the data cable 3 are inserted into the plug body 5 and mechanically and electrically connected thereto. The plug body 5 has at the rear a first socket 5a, through which the sheathed wires are inserted into the plug body 5. The anti-buckling 17 has a second nozzle 17b front. The two sockets 5a and 17b have at least approximately the shape of hollow cylinders, which are arranged coaxially to the longitudinal direction of the data cable 3. The two sockets 5a and 17b preferably have the same inner diameter. Preferably, however, the outer diameter of the second nozzle 17b is greater than that of the first nozzle 5a. The first neck 5a preferably has two radial (with respect to the longitudinal direction of the data cable 3) opposite and radially outwardly facing lugs, which serve later as Verdrehschutz. At the latest when the plug body 5 is completely attached to the end of the data cable 3, the kink protection 17 is moved to the plug body 5 to the front, so that the two stubs 5a and 17b frontally come into contact with each other.

Nun werden der Steckerkörper 5 und der Knickschutz 17gemeinsam teilweise umspritzt, wodurch der Schutzkörper 13 und einstückig damit der Rastzungenschutz 15 entstehen. Dieser nachträglich hergestellte, als Teilumspritzung bezeichnete Teil der Schutzeinheit 11 ist in einem radial überlappenden Bereich fest mit dem Knickschutz 17 als vorgefertigem Teil der Schutzeinheit 11 verbunden, also am Übergang zwischen Schutzkörper 13 und Knickschutz 17. Während des Umspritzens wird der zweite Stutzen 17b durch das zunächst warme Material des Schutzkörpers 13 erwärmt. Durch die oberflächliche Erwärmung des zweiten Stutzens 17b vernetzt sich dessen Material mit dem warmen Material des Schutzkörpers 13, so dass mit dem Abkühlen ein Stoffschluss entsteht, ähnlich wie beim Schweißen. Aufgrund der radialen Überlappung ist der den Stoffschluss aufweisende Übergang zwischen Schutzkörper 13 und Knickschutz 17 auf einer näherungsweise zylindrischen Fläche vorgesehen, welche in Längsrichtung des Datenkabels 3 und in Umfangsrichtung desselben verläuft.Now, the plug body 5 and the bend protection 17 are in each case partially encapsulated, whereby the protective body 13 and integrally therewith the latching tongue protection 15 arise. This subsequently produced, referred to as Teilumspritzung part of the protection unit 11 is fixedly connected in a radially overlapping area with the bend protection 17 as prefabricated part of the protection unit 11, ie at the transition between the protective body 13 and anti-buckling 17. During the extrusion, the second nozzle 17b through the initially warm material of the protective body 13 is heated. Due to the superficial heating of the second nozzle 17b, the material of which is crosslinked with the warm material of the protective body 13, so that a material bond is formed with the cooling, similar to welding. Due to the radial overlap of the material connection having transition between the protective body 13 and anti-buckling 17 is provided on an approximately cylindrical surface which extends in the longitudinal direction of the data cable 3 and in the circumferential direction thereof.

Durch leicht unterschiedliche Geometrien der Stutzen 5a und 17b (beispielsweise die besagten Nasen) kann auch ein Formschluss mit dem Schutzkörper 13 entstehen. Und durch Abkühlen der Teilumspritzung kann auch ein Aufschrumpfen erfolgen, also ein Kraftschluss entstehen. Aufgrund des Stoffschlusses im (radial) überlappenden Bereich von Teilumspritzung und Knickschutz 17 ist der Übergang zwischen der Teilumspritzung und dem vorgefertigten Teil, also dem Schutzkörper 13 und dem Knickschutz 17, spaltfrei und damit äußerlich nicht sichtbar. Zudem ist die Kontaktstelle der beiden Stutzen 5a und 17b durch die Umspritzung vollständig bedeckt. Vorzugsweise ist das äußere Ende des Übergangs zwischen dem Schutzkörper 13 und dem Knickschutz 17 an einer Innenkante der Schutzeinheit 11 vorgesehen, so dass selbst eine Naht äußerlich nicht sichtbar ist.By slightly different geometries of the nozzle 5a and 17b (for example, the said noses) may also form a positive connection with the protective body 13 arise. And by cooling the Teilumspritzung can also be a shrinkage, so create a traction. Due to the material bond in the (radially) overlapping region of Teilumspritzung and kink protection 17, the transition between the Teilumspritzung and the prefabricated part, so the protective body 13 and the bend protection 17, gap-free and thus not visible externally. In addition, the contact point of the two nozzles 5a and 17b is completely covered by the encapsulation. Preferably, the outer end of the transition between the protective body 13 and the anti-buckling 17 is provided on an inner edge of the protection unit 11, so that even a seam is not externally visible.

In der Regel ist das Kunststoffmaterial, aus welchem der Steckerkörper 5 besteht, deutlich härter als die Kunststoffmaterialien, aus welchen die Teilumspritzung und der Knickschutz 17 bestehen. Dabei können die Teilumspritzung und der Knickschutz 17 alternativ aus unterschiedlichen Materialien, aus dem gleichen Material mit unterschiedlicher (Shore)Härte oder aus dem gleichen Material mit gleicher Härte bestehen. Zusätzlich können unterschiedliche Farben oder die gleiche Farbe vorgesehen sein. Bevorzugt verwendete Materialien sind Polyvinylchloride, Polypropylene und thermoplastische Elastomere.In general, the plastic material from which the plug body 5 is made, significantly harder than the plastic materials from which the Teilumspritzung and the bend protection 17 are made. The Teilumspritzung and the anti-buckling 17 may alternatively consist of different materials, of the same material with different (Shore) hardness or of the same material with the same hardness. In addition, different colors or the same color can be provided. Preferred materials are polyvinyl chlorides, polypropylenes and thermoplastic elastomers.

Zur Herstellung der Steckverbindung wird der Stecker 1 mit Daumen und Zeigefinger ergriffen, wobei der Daumen den Rastzungenschutz 15 und gleichzeitig die Rastzunge 7 herunter drückt, wobei sich der Rastzungenschutz 15 über die Rastzunge 7 legt. Eine vorzugsweise aufgerauhte Unterseite des Schutzkörpers 13 verhindert ein Abrutschen des Zeigefingers. Dann wird der Stecker 1 in die Steckleiste oder Steckbuchse eingeführt, bis die Kontaktelemente und Kontaktflächen mit ihren entsprechenden Gegenstücken zusammenwirken. Die nunmehr freigegebene Rastzunge 7 und der Formschluss des Steckerkörpers 5 sichern durch Zusammenwirken mit den entsprechenden Gegenstücken der Steckleiste oder der Steckbuchse den Stecker 1 gegen ein Herausrutschen. Der Rastzungenschutz 15 begibt sich aufgrund der Elastizität des Materials wieder in seine Ausgangsstellung. Zum Lösen der Steckverbindung wird der Stecker 1 in gleicher Weise ergriffen und herausgezogen bei gleicher Wirkungsweise der einzelnen Teile.To produce the connector, the plug 1 is grasped with the thumb and forefinger, the thumb pushing down the latching tongue protector 15 and at the same time the latching tongue 7, wherein the latching tongue protector 15 lies over the latching tongue 7. A preferably roughened underside of the protective body 13 prevents slipping of the index finger. Then, the plug 1 is inserted into the header or socket until the contact elements and contact surfaces cooperate with their respective counterparts. The now released latching tongue 7 and the positive connection of the plug body 5 secure by cooperation with the corresponding counterparts of the connector or the socket, the plug 1 against slipping out. The locking tongue protection 15 goes back to its original position due to the elasticity of the material. To release the connector of the plug 1 is taken in the same way and pulled out at the same mode of action of the individual parts.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Steckerplug
33
Datenkabeldata cable
55
Steckerkörperplug body
5a5a
erster Stutzenfirst nozzle
77
RastzungenschutzCatch tongue protection
1111
Schutzeinheitprotection unit
1313
Schutzkörperprotective body
1515
RastzungenschutzCatch tongue protection
1717
Knickschutzkink protection
17b17b
zweiter Stutzensecond nozzle
1919
freies Endefree end
2121
Randedge
2323
Aufnahmeadmission

Claims (15)

Stecker (1) für Datenkabel (3), der einen Steckerkörper (5) und eine Schutzeinheit (11) mit einem Schutzkörper (13) und einem Knickschutz (17) aufweist, wobei der Schutzkörper (13) wenigstens den Steckerkörper (5) teilweise bedeckt und der Knickschutz (17) wenigstens einen Abschnitt des Datenkabels (3) bedeckt, dadurch gekennzeichnet, dass der Knickschutz (17) ein vorgefertigtes Teil und der Schutzkörper (13) eine Teilumspritzung ist, welche mittels eines Stoffschlusses miteinander verbunden sind.Plug (1) for data cable (3) having a plug body (5) and a protective unit (11) with a protective body (13) and a kink protection (17), wherein the protective body (13) at least partially covers the plug body (5) and the kink protection (17) at least a portion of the data cable (3) covered, characterized in that the kink protection (17) is a prefabricated part and the protective body (13) is a Teilumspritzung, which are interconnected by means of a material connection. Stecker nach Anspruch 1, dadurch gekennzeichnet, dass der am Ende des Datenkabels (3) angebrachte Steckerkörper (5) und der Knickschutz (17) gemeinsam nachträglich mit dem Schutzkörper (13) teilweise umspritzt sind.Plug according to claim 1, characterized in that the at the end of the data cable (3) mounted plug body (5) and the anti-buckling (17) together with the protective body (13) are partially encapsulated. Stecker nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Steckerkörper (5) und der Knickschutz (17) an den einander zugewandten Enden jeweils einen Stutzen (5a, 17b) aufweisen, wobei zwischen den beiden Stutzen (5a, 17b) und dem Schutzkörper (13) insbesondere ein Formschluss besteht.Plug according to claim 1 or 2, characterized in that the plug body (5) and the bend protection (17) at the ends facing each have a connecting piece (5a, 17b), wherein between the two sockets (5a, 17b) and the protective body (13) in particular a positive connection exists. Stecker nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Stoffschluss in einem überlappenden Bereich des Schutzkörper (13) und des Knickschutzes (17) vorgesehen ist.Plug according to one of the preceding claims, characterized in that the material connection in an overlapping region of the protective body (13) and the bend protection (17) is provided. Stecker nach einem der vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Übergang zwischen dem Schutzkörper (13) und dem Knickschutz (17) auf einer näherungsweise zylindrischen Fläche vorgesehen ist, welche in Längsrichtung des Datenkabels (3) und in Umfangsrichtung desselben verläuft.Plug according to one of the preceding claims, characterized in that the transition between the protective body (13) and the anti-buckling device (17) is provided on an approximately cylindrical surface extending in the longitudinal direction of the data cable (3) and in the circumferential direction thereof. Stecker nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das äußere Ende des Übergangs zwischen dem Schutzkörper (13) und dem Knickschutz (17) an einer Kante der Schutzeinheit (11) vorgesehen ist.Plug according to one of the preceding claims, characterized in that the outer end of the transition between the protective body (13) and the bend protection (17) is provided on an edge of the protective unit (11). Stecker nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Schutzkörper (13) und der Knickschutz (17) unterschiedliche Materialien und/oder unterschiedliche Härten und/oder unterschiedliche Farben aufweisen.Plug according to one of the preceding claims, characterized in that the protective body (13) and the anti-kink (17) have different materials and / or different hardnesses and / or different colors. Konfektioniertes Datenkabel mit wenigstens einem Stecker nach einem der vorhergehenden Ansprüche.Prefabricated data cable with at least one plug according to one of the preceding claims. Verfahren zur Herstellung eines Steckers nach einem Ansprüche 1 bis 7 oder eines konfektionierten Datenkabels nach Anspruch 8, dadurch gekennzeichnet, dass beim Teilumspritzen des Schutzkörpers (13) das Material des Knickschutzes (17) am Übergang zum Schutzkörper (13) wenigstens oberflächlich erwärmt wird.A method for producing a plug according to any one of claims 1 to 7 or a ready-made data cable according to claim 8, characterized in that the Teilumspritzen the protective body (13) the material of the kink protection (17) at the transition to the protective body (13) is heated at least superficially. Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass das Material des Knickschutzes (17) am Übergang zum Schutzkörper (13) mittels des während des Teilumspritzens warmen Materials des Schutzkörpers (13) erwärmt wird.A method according to claim 9, characterized in that the material of the kink protection (17) is heated at the transition to the protective body (13) by means of the during the Teilumspritzens warm material of the protective body (13). Verfahren nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass das erwärmte Material des Knickschutzes (17) mit dem warmen Material des Schutzkörpers (13) vernetzt.A method according to claim 9 or 10, characterized in that the heated material of the kink protection (17) with the warm material of the protective body (13) crosslinked. Verfahren nach Anspruch 11, dadurch gekennzeichnet, dass der Stoffschluss mit dem Abkühlen entsteht.A method according to claim 11, characterized in that the material bond is formed with the cooling. Verfahren nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, dass vor dem Teilumspritzen der vorgefertigte Knickschutz (17) auf das Datenkabel (3) aufgeschoben wird.Method according to one of claims 9 to 12, characterized in that the prefabricated anti-buckling device (17) is slid onto the data cable (3) before the partial overmolding. Verfahren nach einem der Ansprüche 9 bis 13, dadurch gekennzeichnet, dass das vor dem Teilumspritzen der Steckerkörper (5) am Ende des Datenkabels angebracht wird.Method according to one of claims 9 to 13, characterized in that before the Teilumspritzen the plug body (5) is attached to the end of the data cable. Verfahren nach Anspruch 13 und 14, dadurch gekennzeichnet, dass vor dem Teilumspritzen der Knickschutz (17) in Anlage an den am Ende des Datenkabels (3) angebrachten Steckerkörper (5) gebracht wird.A method according to claim 13 and 14, characterized in that before the Teilumspritzen the kink protection (17) is brought into abutment with the at the end of the data cable (3) mounted plug body (5).
EP12401005.9A 2012-01-16 2012-01-16 Connector for a data cable and method for its production Active EP2615695B1 (en)

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EP12401005.9A EP2615695B1 (en) 2012-01-16 2012-01-16 Connector for a data cable and method for its production
HUE12401005A HUE028876T2 (en) 2012-01-16 2012-01-16 Connector for a data cable and method for its production

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110174727A (en) * 2018-05-30 2019-08-27 中航光电科技股份有限公司 A kind of tail portion sheath and the connector using the tail portion sheath
CN110174729A (en) * 2018-05-30 2019-08-27 中航光电科技股份有限公司 Tail portion sheath and the connector for using the tail portion sheath

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8911541U1 (en) * 1989-09-28 1989-11-30 Albert Ackermann GmbH & Co. KG, 51643 Gummersbach Plug connection for low-current plug connections
GB2306802A (en) * 1995-11-03 1997-05-07 Progressive Tool & Ind Co Cable support
DE20114581U1 (en) * 2001-09-04 2002-02-28 Kovacs, Tibor, 84347 Pfarrkirchen Plug with data cable
DE202004019870U1 (en) 2004-12-17 2005-02-24 Kovacs, Tibor Plug for data cable has molding molded onto plug element when joined to data cable to protect latching tongue for interaction with plug socket or plug strip; molding is formed in one piece
DE102008051468A1 (en) * 2008-10-13 2010-04-15 Weidmüller Interface GmbH & Co. KG Adapter housing for use in production plants or vehicles, has two housing sections formed by insert molding of plugging unit with cable end
US20110058773A1 (en) * 2008-05-07 2011-03-10 Adrian Peterhans Plug connector having unlocking mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8911541U1 (en) * 1989-09-28 1989-11-30 Albert Ackermann GmbH & Co. KG, 51643 Gummersbach Plug connection for low-current plug connections
GB2306802A (en) * 1995-11-03 1997-05-07 Progressive Tool & Ind Co Cable support
DE20114581U1 (en) * 2001-09-04 2002-02-28 Kovacs, Tibor, 84347 Pfarrkirchen Plug with data cable
DE202004019870U1 (en) 2004-12-17 2005-02-24 Kovacs, Tibor Plug for data cable has molding molded onto plug element when joined to data cable to protect latching tongue for interaction with plug socket or plug strip; molding is formed in one piece
US20110058773A1 (en) * 2008-05-07 2011-03-10 Adrian Peterhans Plug connector having unlocking mechanism
DE102008051468A1 (en) * 2008-10-13 2010-04-15 Weidmüller Interface GmbH & Co. KG Adapter housing for use in production plants or vehicles, has two housing sections formed by insert molding of plugging unit with cable end

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110174727A (en) * 2018-05-30 2019-08-27 中航光电科技股份有限公司 A kind of tail portion sheath and the connector using the tail portion sheath
CN110174729A (en) * 2018-05-30 2019-08-27 中航光电科技股份有限公司 Tail portion sheath and the connector for using the tail portion sheath

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EP2615695B1 (en) 2016-02-24

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