EP1502324B1 - Plug bridge comprising a hollow pin - Google Patents

Plug bridge comprising a hollow pin Download PDF

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Publication number
EP1502324B1
EP1502324B1 EP03747082.0A EP03747082A EP1502324B1 EP 1502324 B1 EP1502324 B1 EP 1502324B1 EP 03747082 A EP03747082 A EP 03747082A EP 1502324 B1 EP1502324 B1 EP 1502324B1
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EP
European Patent Office
Prior art keywords
hollow pin
base plate
seal
plug bridge
hollow
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.)
Expired - Lifetime
Application number
EP03747082.0A
Other languages
German (de)
French (fr)
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EP1502324A1 (en
Inventor
Thomas Waible
Jörg Vetter
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.)
Taller GmbH
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Taller GmbH
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Publication of EP1502324A1 publication Critical patent/EP1502324A1/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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • H01R13/05—Resilient pins or blades
    • 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
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable

Definitions

  • the present invention relates to the term claimed above.
  • the present invention is concerned with connector bridges.
  • Plug bridges are a part of the power plug, in which the connection between the contacts to be inserted into the socket contacts, so the ground-earthing bar and / or the plug pins on the one hand and the stripped strands of a power cord on the other hand.
  • the plug bridge surrounds the plug pins in the correct geometric orientation for the respective electrical standard and has connection options on its stranded connection side, such as crimps for crimping with the leads, soldering tags, crimping insertion screw, screw connection, etc.
  • a plug-in bridge with hollow pin which has an inwardly bent sheet-metal region in its upper jacket region, so that a stop lug of a prefabricated plug-type bridge base plate can penetrate into the hole in the lateral surface.
  • the object of the present invention is to provide new products for commercial use.
  • the present invention thus proposes, in a first basic idea, a plug-in bridge with a base plate and a hollow pin penetrating it, in which it is provided that the socket-side open cavity of the hollow pin is provided with a seal against base plate mass penetration in the connector bridge production.
  • a first essential aspect of the present invention is therefore to be seen in the fact that is prevented by a hollow pin in this introduced seal the penetration of the base plate mass during the connector bridge manufacturing in the cavity, which is open to the socket.
  • the provision of the cavity seal during Hohl.fertigung is problem-free and possible with high clock cycles, so that the cost of the hollow pin increase at best to a small extent by the seal.
  • this at best low cost increase is far outweighed by the advantage of being able to immediately fully enclose the hollow pin when setting or casting the base plate.
  • the base plate is cast and / or sprayed. This can be done in conventional forms and it can be provided for about crimper tube-like connection areas on the base inserting funnel for the strand ends, as well as insertion funnel for strand ends via terminals for the grounding strap, etc.
  • a connector bridge according to the invention already present, if only a single hollow pin of the type described is present in the connector bridge; However, in the case of the typical 220-volt earthing contact plug with earthing clips, as a rule both hollow pins are provided with the seal according to the invention.
  • round hollow pins are provided with a seal; It should be noted, however, that such seals would be possible even with square hollow pins.
  • the hollow pin can be bent from a stamped and / or embossed sheet, in which case it then has a gap in the area of the socket into which moisture or the like can penetrate. Nonetheless, this moisture can not penetrate into the plug handle body interior during operation since the hollow pin is fully overmolded with the baseplate mass and provides a hermetic seal upon completion of the baseplate around the sealing of the hollow pin against baseplate mass penetration.
  • the seal will in a preferred form be formed as platelets mounted in the cavity. Since this plate has contact with the entire inner region of the hollow pin, this is still stabilized during encapsulation. This results in a further special advantage of Invention an increase in dimensional stability and thus safety during operation.
  • the plate can be fixed by a circumferential knurling and / or embossing edge.
  • folded tabs may be provided to fix the sealing plate.
  • the seal or the plate is formed from the same material as the hollow pin. This is advantageous because the base plate mass is usually cast in a hot state and then by the choice of the same material different expansion coefficients and thus destruction of the seal in the base plate production can be avoided.
  • the seal is located near the plug-side surface of the base plate and then lateral openings are arranged in the hollow Stiftwand, which are closer to the connection area with the power cord, but still in the region of the base plate, so that in the preparation of the base plate ground mass can penetrate into the hollow pin until it seals and, after solidification, secures it against torsion.
  • the torsional safety can be increased by the design of the crimping area.
  • a connector bridge 1 As shown in FIG. 1, a connector bridge 1, generally designated 1, comprises a base plate 2 and hollow pins 3 which penetrate the latter and whose plug-in side has a slot 3a (FIG. Fig. 3 ) open cavity is provided with a seal 4 against the penetration of base plate mass in the connector bridge production from the power cable side.
  • the plug bridge base plate 2 is formed of fiber reinforced, non-conductive plastic and has per se known manner generally a U-shaped cross section, wherein the mounting of a grounding strap (not shown) can be provided on the handle body towards upstanding U-legs 2a.
  • a grounding strap (not shown) can be provided on the handle body towards upstanding U-legs 2a.
  • insertion funnel 2b may be provided on the base plate, which may be integrally formed therewith and / or are placed.
  • the hollow pin 3 is made of a sheet metal strip, wherein a number of further hollow pins is provided on this metal strip, as in FIG. 3 with two hollow pins in plan view is shown.
  • the illustrated hollow pin 3a has a wall 3b made of sheet metal material, which near the connection point 3c for the connection of the power cord and above the seal 4 wall openings 3d, which are sufficiently large, so at the given viscosity of the base plate mass in the hot state during the plug bridge manufacturing base plate mass in the room 3e, recognizable by the sectional view of a hollow pin in FIG. 3 , can penetrate.
  • the wall 3b of the hollow pin 3 is rolled circumferentially, as can be seen by the depressions 3f. It should be noted that on the drawing existing measures do not limit the protection but at best are exemplary.
  • the seal 4 is formed of the same material as the electrically conductive hollow pin.
  • the tape thus obtained with finished hollow pins is then divided into individual hollow pins and they are in the area of the cover 4 to over the edge 3g on its side to the power connector 3c out with base plate mass hot overmoulded the base plate mass completely surrounds the hollow pin, penetrates into the space 3e and survives on this. A penetration of the hot mass in the base plate production of the sealing plate 4 over is avoided due to the sealing encircling the seal of knurled recesses 3 f safely.
  • a plug using a hollow pin according to the invention or a plug bridge with such and / or produced on a method according to the invention is thus sufficiently suitable for wet room applications, outdoor applications, etc., although hollow pins and not turned from solid material and thus per se forward hollow pins are used.
  • the seal is provided in the form of a lid plate at the upper end of the hollow pin.
  • the cover plate lies on an inwardly slightly curled or pressed or embossed edge region and is fixed from above by tabs.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Description

Die vorliegende Erfindung betrifft das oberbegrifflich Beanspruchte. Damit befaßt sich die vorliegende Erfindung mit Steckerbrücken.The present invention relates to the term claimed above. Thus, the present invention is concerned with connector bridges.

Steckerbrücken sind ein Teil des Netzsteckers, in dem die Verbindung zwischen den in die Steckdose einzuschiebenden Kontakten, also dem Masse-Erdungsbügel und/oder den Steckerstiften einerseits und den abisolierten Litzen eines Netzanschlußkabels andererseits erfolgt. Die Steckerbrücke umschließt die Steckerstifte in der für die jeweilige elektrische Norm korrekten geometrischen Ausrichtung und hat auf ihrer Litzenanschlußseite Verbindungsmöglichkeiten wie Crimpflügel zum Vercrimpen mit den Leitungen, Lötfahnen, Einführtrichter für die Vercrimpung, Verschraubung usw.Plug bridges are a part of the power plug, in which the connection between the contacts to be inserted into the socket contacts, so the ground-earthing bar and / or the plug pins on the one hand and the stripped strands of a power cord on the other hand. The plug bridge surrounds the plug pins in the correct geometric orientation for the respective electrical standard and has connection options on its stranded connection side, such as crimps for crimping with the leads, soldering tags, crimping insertion screw, screw connection, etc.

Aus der DE 39 17 181 A1 ist ein zweipoliger, nicht wieder anschließbarer Stecker bekannt, bei dem im Formstoff des Sockels ein Crimpamboss integriert ist und der Kontakthohlstifte mit Crimpanschlussfahnen aufweist, die jeweils eine Nut in ihrem oberen Nahtteil besitzen, in die in zusammengesetztem Zustand des Steckers jeweils ein entsprechendes Konturelement am Formstoff der die Kontakthohlstifte aufnehmenden Rundlöcher im Sockel eingreift.From the DE 39 17 181 A1 is a two-pole, not re-connectable plug is known in which in the molding material of the base a Crimpamboss is integrated and the contact hollow pins with Crimpanschlussfahnen each having a groove in its upper seam part, in the assembled state of the plug each have a corresponding contour element on the molding material of the contact hollow pins receiving round holes engages the base.

Aus der FR 96 01673 ist eine Steckerbrücke mit Hohlstift bekannt, der in seinem oberen Mantelbereich einen nach innen gebogenen Blechbereich aufweist, so dass in das Loch in der Mantelfläche eine Anschlagnase einer vorgefertigten Steckerbrückengrundplatte eindringen kann.From the FR 96 01673 a plug-in bridge with hollow pin is known which has an inwardly bent sheet-metal region in its upper jacket region, so that a stop lug of a prefabricated plug-type bridge base plate can penetrate into the hole in the lateral surface.

Es gibt bereits Steckerbrückenanordnungen für die Verbindung mit Netzkabeln, bei denen Hohlstifte verwendet werden, d. h. Steckerstifte, die aus Blech gestanzt und/oder aufgefaltet sind und/oder deren Inneres einen Hohlraum aufweist. Dies ist per se vorteilhaft, weil Hohlstifte mit geringerem Materialaufwand und mit kürzeren Taktzeiten erzeugt werden können als Steckerstifte, deren Form aus dem Vollen gedreht werden muß. Zudem ergeben sich Gewichtsersparnisse beim Transport usw.There are already jumper assemblies for connection to power cords that use hollow pins, i. H. Plug pins which are punched and / or folded from sheet metal and / or whose interior has a cavity. This is advantageous per se, because hollow pins can be produced with less material and with shorter cycle times than pins whose shape must be turned from the solid. In addition, there are weight savings during transport, etc.

Dem Vorteil von Hohlstiften stehen allerdings Probleme gegenüber, die zum Teil massiv sind. Hierzu besteht keine Möglichkeit, wasserdichte Stecker mit Hohlstift-Kontakten auszurüsten. Der Grund hierfür besteht darin, daß nach geltenden Sicherheitsvorschriften kein Kunststoffmaterial der Steckerbrücke in den Hohlraum des Steckerstiftes eindringen darf. Da bei dem Umspritzen der Hohlstift-Steckerkontakte mit dem die Steckerbrücke bildenden Kunststoff diese Gefahr besteht, ist es im Stand der Technik erforderlich, die Hohlstifte in die Steckerbrückengrundplatte einzumontieren, nachdem diese fertiggestellt ist. Dies führt dann dazu, daß Wasser oder Feuchtigkeit im Hohlstiftinneren bis an die Litzen des Netzanschlußkabels herantreten kann und dort etwa Korrosion der Kontakte verursacht, was die langfristige Stabilität des Steckers in Frage stellt und somit insgesamt dessen Verwendbarkeit für Anwendungen im Außenbereich, in Feuchträumen und dergleichen verhindert.However, the advantage of hollow pencils is faced with problems, some of which are massive. There is no way to equip waterproof plug with hollow pin contacts. The reason for this is that according to current safety regulations no plastic material of the plug bridge may penetrate into the cavity of the connector pin. Since in the encapsulation of the hollow pin connector contacts with the plug bridge forming plastic this danger exists, it is necessary in the art to assemble the hollow pins in the plug bridge base plate, after it is completed. This then leads to water or moisture in Hohlstiftinneren can approach up to the strands of the power cord and there causes corrosion of the contacts, which is the long-term stability of the plug calls into question and thus its overall usefulness for outdoor applications, in wet rooms and the like prevented.

Die Aufgabe der vorliegenden Erfindung besteht darin, Neues für die gewerbliche Anwendung bereitzustellen.The object of the present invention is to provide new products for commercial use.

Die Lösung dieser Aufgabe wird in unabhängiger Form beansprucht. Bevorzugte Ausführungsformen finden sich in den Unteransprüchen.The solution to this problem is claimed in an independent form. Preferred embodiments can be found in the subclaims.

Die vorliegende Erfindung schlägt somit in einem ersten Grundgedanken eine Steckerbrücke mit einer Grundplatte und einem diese durchdringenden Hohlstift vor, bei welchem vorgesehen ist, daß der steckdosenseitig offene Hohlraum des Hohlstiftes mit einer Abdichtung gegen Grundplattenmasseneindringen bei der Steckerbrückenfertigung vorgesehen ist.The present invention thus proposes, in a first basic idea, a plug-in bridge with a base plate and a hollow pin penetrating it, in which it is provided that the socket-side open cavity of the hollow pin is provided with a seal against base plate mass penetration in the connector bridge production.

Ein erster wesentlicher Aspekt der vorliegenden Erfindung ist somit darin zu sehen, daß durch eine bei der Hohlstiftfertigung in diesen eingebrachte Abdichtung das Eindringen der Grundplattenmasse während der Steckerbrückenfertigung in den Hohlraum, der zur Steckdose hin offen ist, verhindert wird. Das Vorsehen der Hohlraumabdichtung während der Hohlstiftfertigung ist problemfrei und mit hohen Taktzyklen möglich, so daß sich die Kosten des Hohlstiftes allenfalls in geringem Maße durch die Abdichtung erhöhen. Diese allenfalls geringe Kostenerhöhung wird aber weit überwogen durch den Vorteil, den Hohlstift beim Setzen bzw. Gießen der Grundplatte bereits unmittelbar voll umschließen zu können.A first essential aspect of the present invention is therefore to be seen in the fact that is prevented by a hollow pin in this introduced seal the penetration of the base plate mass during the connector bridge manufacturing in the cavity, which is open to the socket. The provision of the cavity seal during Hohlstiftfertigung is problem-free and possible with high clock cycles, so that the cost of the hollow pin increase at best to a small extent by the seal. However, this at best low cost increase is far outweighed by the advantage of being able to immediately fully enclose the hollow pin when setting or casting the base plate.

Es ist daher bevorzugt, wenn die Grundplatte gegossen und/oder gespritzt ist. Dies kann in herkömmlichen Formen geschehen und es können, etwa für crimpröhrchenartige Anschlußbereiche an der Grundplatte Einführtrichter für die Litzenenden vorgesehen sein, genauso wie Einführtrichter für Litzenenden über Anschlüssen für den Erdungsbügel usw. Es sei in diesem Zusammenhang im übrigen darauf hingewiesen, daß eine erfindungsgemäße Steckerbrücke bereits dann vorliegen kann, wenn nur ein einzelner Hohlstift der beschriebenen Art in der Steckerbrücke vorliegt; bei den typischen 220-Volt-Schutzkontaktsteckern mit Erdungsbügeln werden allerdings im Regelfall beide Hohlstifte mit der erfindungsgemäßen Abdichtung versehen. Hier läge ein Fall vor, wo runde Hohlstifte mit einer Abdichtung versehen werden; es sei aber darauf hingewiesen, daß derartige Abdichtungen auch bei eckigen Hohlstiften möglich wären.It is therefore preferred if the base plate is cast and / or sprayed. This can be done in conventional forms and it can be provided for about crimper tube-like connection areas on the base inserting funnel for the strand ends, as well as insertion funnel for strand ends via terminals for the grounding strap, etc. It should be noted in this context, moreover, that a connector bridge according to the invention already present, if only a single hollow pin of the type described is present in the connector bridge; However, in the case of the typical 220-volt earthing contact plug with earthing clips, as a rule both hollow pins are provided with the seal according to the invention. Here is a case where round hollow pins are provided with a seal; It should be noted, however, that such seals would be possible even with square hollow pins.

Der Hohlstift kann aus einem gestanzten und/oder geprägten Blech aufgebogen sein, wobei er dann im Bereich der Steckdose einen Spalt aufweist, in den Feuchtigkeit oder dergleichen eindringen kann. Nichtsdestotrotz kann diese Feuchtigkeit nicht bis in das Steckergriffkörperinnere beim Betrieb vordringen, da der Hohlstift mit der Grundplattenmasse voll umspritzt ist und diese um die Abdichtung des Hohlstiftes gegen Grundplattenmasseneindringen eine hermetische Dichtung nach Fertigstellung der Grundplatte vorsieht.The hollow pin can be bent from a stamped and / or embossed sheet, in which case it then has a gap in the area of the socket into which moisture or the like can penetrate. Nonetheless, this moisture can not penetrate into the plug handle body interior during operation since the hollow pin is fully overmolded with the baseplate mass and provides a hermetic seal upon completion of the baseplate around the sealing of the hollow pin against baseplate mass penetration.

Die Abdichtung wird in einer bevorzugten Form als in den Hohlraum hineinmontiertes Plättchen gebildet sein. Da dieses Plättchen Kontakt mit dem gesamten inneren Bereich des Hohlstiftes aufweist, wird dieses beim Umspritzen noch stabilisiert. Damit ergibt sich als weiterer besonderer Vorzug der Erfindung eine Erhöhung der Formstabilität und damit eine Sicherheit im Betrieb.The seal will in a preferred form be formed as platelets mounted in the cavity. Since this plate has contact with the entire inner region of the hollow pin, this is still stabilized during encapsulation. This results in a further special advantage of Invention an increase in dimensional stability and thus safety during operation.

Das Plättchen kann durch einen umlaufenden Rändel- und/oder Prägerand fixiert sein. Alternativ können umgelegte Laschen vorgesehen sein, um die Dichtplatte zu fixieren.The plate can be fixed by a circumferential knurling and / or embossing edge. Alternatively, folded tabs may be provided to fix the sealing plate.

In einer besonders bevorzugten Variante ist die Abdichtung bzw. das Plättchen aus dem gleichen Material gebildet wie der Hohlstift. Dies ist vorteilhaft, weil die Grundplattenmasse im Regelfall in heißem Zustand vergossen wird und dann durch die Wahl des gleichen Materials unterschiedliche Ausdehnungskoeffizienten und damit eine Zerstörung der Abdichtung bei der Grundplattenfertigung vermieden werden.In a particularly preferred variant, the seal or the plate is formed from the same material as the hollow pin. This is advantageous because the base plate mass is usually cast in a hot state and then by the choice of the same material different expansion coefficients and thus destruction of the seal in the base plate production can be avoided.

Es ist weiter bevorzugt, wenn die Abdichtung nahe der steckdosenseitigen Oberfläche der Grundplatte liegt und dann seitliche Öffnungen in der Hohlstiftwand angeordnet sind, die näher zum Verbindungsbereich mit der Netzanschlußleitung hin liegen, aber noch im Bereich der Grundplatte, so daß bei der Herstellung der Grundplatte Grundplattenmasse bis zur Abdichtung in den Hohlstift eindringen kann und nach Erstarren diesen gegen Torsion sichert. Alternativ und/oder zusätzlich kann die Torsionssicherheit durch die Gestaltung des Crimpbereiches erhöht werden.It is further preferred if the seal is located near the plug-side surface of the base plate and then lateral openings are arranged in the hollow Stiftwand, which are closer to the connection area with the power cord, but still in the region of the base plate, so that in the preparation of the base plate ground mass can penetrate into the hollow pin until it seals and, after solidification, secures it against torsion. Alternatively and / or additionally, the torsional safety can be increased by the design of the crimping area.

Die Erfindung wird im folgenden und beispielsweise anhand der Zeichnung beschrieben. In dieser zeigt:

Fig. 1
eine Schnittansicht durch eine erfindungsgemäße Steckerbrücke mit erfindungsgemäßen Hohlstiften;
Fig. 2
eine Schnittansicht in einer anderen Ebene;
Fig. 3
Beispiele für ein Band mit erfindungsgemäßen Hohlstiften;
Fig. 4
eine perspektivische Ansicht einer erfindungsgemäßen Steckerbrücke;
Fig. 5
ein weiteres Ausführungsbeispiel eines Steckerstiftes.
The invention will be described below and by way of example with reference to the drawing. In this shows:
Fig. 1
a sectional view through a connector bridge according to the invention with hollow pins according to the invention;
Fig. 2
a sectional view in another plane;
Fig. 3
Examples of a band with hollow pins according to the invention;
Fig. 4
a perspective view of a connector bridge according to the invention;
Fig. 5
another embodiment of a pin.

Nach Figur umfaßt eine allgemein mit 1 bezeichnete Steckerbrücke 1 eine Grundplatte 2 und diese durchdringende Hohlstifte 3, deren steckdosenseitig über einen Schlitz 3a (Fig. 3) offener Hohlraum mit einer Abdichtung 4 gegen das Eindringen von Grundplattenmasse bei der Steckerbrückenfertigung von der Netzkabelseite her versehen ist.As shown in FIG. 1, a connector bridge 1, generally designated 1, comprises a base plate 2 and hollow pins 3 which penetrate the latter and whose plug-in side has a slot 3a (FIG. Fig. 3 ) open cavity is provided with a seal 4 against the penetration of base plate mass in the connector bridge production from the power cable side.

Die Steckerbrückengrundplatte 2 ist aus faserverstärktem, nicht leitendem Kunststoff gebildet und weist in per se bekannter Weise allgemein einen U-förmigen Querschnitt auf, wobei an den zum Griffkörper hin aufragenden U-Schenkeln 2a die Befestigung eines Erdungsbügels (nicht gezeigt) vorgesehen werden kann. Über den Verbindungsstellen zwischen den Erdungsbügeln bzw. Anschlußenden der Hohlstifte 3 einerseits und den Netzkabellitzen andererseits können Einführtrichter 2b an der Grundplatte vorgesehen sein, die einstückig damit gebildet sein können und/oder die aufgesetzt sind. Es kann ein Hohlraum 2c zur Aufnahme eines Massestiftes oder dergleichen zum Anschluß an entsprechend genormte Netzsteckdosen vorgesehen sein.The plug bridge base plate 2 is formed of fiber reinforced, non-conductive plastic and has per se known manner generally a U-shaped cross section, wherein the mounting of a grounding strap (not shown) can be provided on the handle body towards upstanding U-legs 2a. About the connection points between the grounding bars or terminal ends of the hollow pins 3 on the one hand and the power cable strands on the other hand insertion funnel 2b may be provided on the base plate, which may be integrally formed therewith and / or are placed. There may be a cavity 2c for receiving a ground pin or the like for connection to correspondingly standardized power outlets.

Der Hohlstift 3 ist aus einem Blechband gefertigt, wobei an diesem Blechband eine Reihe weiterer Hohlstifte vorgesehen ist, wie in Figur 3 mit zwei Hohlstiften in der Draufsicht gezeigt ist. Der dargestellte Hohlstift 3a weist eine Wandung 3b aus Blechmaterial auf, die nahe der Anschlußstelle 3c für den Anschluß des Netzkabels und oberhalb der Dichtung 4 Wanddurchbrüche 3d aufweist, die hinreichend groß sind, damit bei der gegebenen Viskosität der Grundplattenmasse in heißem Zustand während der Steckerbrückenfertigung Grundplattenmasse in den Raum 3e, erkennbar an der Schnittdarstellung eines Hohlstiftes in Figur 3, eindringen kann.The hollow pin 3 is made of a sheet metal strip, wherein a number of further hollow pins is provided on this metal strip, as in FIG. 3 with two hollow pins in plan view is shown. The illustrated hollow pin 3a has a wall 3b made of sheet metal material, which near the connection point 3c for the connection of the power cord and above the seal 4 wall openings 3d, which are sufficiently large, so at the given viscosity of the base plate mass in the hot state during the plug bridge manufacturing base plate mass in the room 3e, recognizable by the sectional view of a hollow pin in FIG. 3 , can penetrate.

Im Bereich der Abdichtung 4 ist die Wand 3b des Hohlstiftes 3 umlaufend eingerollt, wie durch die Vertiefungen 3f erkennbar ist. Es sei darauf hingewiesen, daß an der Zeichnung vorhandene Maßzahlen nicht den Schutz beschränken sondern allenfalls beispielhaft sind. Die Abdichtung 4 ist aus dem selben Material wie der elektrisch leitende Hohlstift gebildet.In the region of the seal 4, the wall 3b of the hollow pin 3 is rolled circumferentially, as can be seen by the depressions 3f. It should be noted that on the drawing existing measures do not limit the protection but at best are exemplary. The seal 4 is formed of the same material as the electrically conductive hollow pin.

Die Steckerbrücke wird hergestellt wie folgt:

  • Zunächst wird der Hohlstift aus einem Blechband hergestellt, wobei die Rundplättchen 4 während des Stanz- und Auffaltvorganges einmontiert werden.
The jumper is made as follows:
  • First, the hollow pin is made from a sheet metal strip, wherein the round plate 4 are mounted during the punching and Auffaltvorganges.

Das so erhaltene Band mit fertigen Hohlstiften wird dann aufgeteilt in Einzelhohlstifte und diese werden im Bereich der Abdeckung 4 bis über die Kante 3g an ihrer Seite zur Netzanschlußverbindung 3c hin mit Grundplattenmasse heiß umspritzt wobei die Grundplattenmasse den Hohlstift vollständig umschließt, in den Raum 3e eindringt und über diesen übersteht. Ein Vordringen der heißen Masse bei der Grundplattenfertigung an dem Abdichtungsplättchen 4 vorbei ist dabei auf Grund der dichtenden Umfassung der Abdichtung von eingerändelten Vertiefungen 3f sicher vermieden.The tape thus obtained with finished hollow pins is then divided into individual hollow pins and they are in the area of the cover 4 to over the edge 3g on its side to the power connector 3c out with base plate mass hot overmoulded the base plate mass completely surrounds the hollow pin, penetrates into the space 3e and survives on this. A penetration of the hot mass in the base plate production of the sealing plate 4 over is avoided due to the sealing encircling the seal of knurled recesses 3 f safely.

Es kann nun nach Härten der Grundplatte und Anbringen des Erdangsfederbügels ein Netzanschlußkabel montiert werden, was in dargestellten Beispiel durch Crimpen an den Crimpflügeln 3c1 an der Seite 3c erfolgt, in anderen Varianten aber auch durch Verlöten, Schrauben oder dergleichen möglich wäre. Wenn danach der Griffkörper mit PVC oder ähnlichem Material umspritzt ist, ist der Kontaktbereich zwischen Litzenanschlußende 3c und Netzkabelende vollständig umschlossen und hermetisch gegen die Außenwelt abgedichtet, ohne daß die Gefahr besteht, daß Feuchtigkeit an den Abdichtplättchen vorbei in das Griffkörperinnere dringt. Hierzu trägt bei, daß an der Abdichtung die Grundplattenmasse voll ansteht und somit eine absolut dichte Grundplattenebene erhalten wird, die praktisch absolut dampfundurchlässig ist. Ein Stecker, der einen erfindungsgemäßen Hohlstift bzw. eine Steckerbrücke mit einem solchen verwendet und/oder auf ein erfindungsgemäßes Verfahren hergestellt worden ist, ist damit hinreichend geeignet für Feuchtraumanwendungen, Anwendungen im Freien usw., obwohl Hohlstifte und nicht aus Vollmaterial gedrehte und damit per se nach vorne dichte Hohlstifte verwendet werden.It can now be mounted after hardening of the base plate and attaching Erdangsfederbügels a power cord, which is done in the example shown by crimping on the Crimflügeln 3c1 on the side 3c, in other variants but also by soldering, screws or the like would be possible. Thereafter, when the handle body is encapsulated with PVC or similar material, the contact area between the Litzanschlußende 3c and power cord end is completely enclosed and hermetically sealed against the outside, without the risk that moisture penetrates past the Abdichtplättchen in the handle body interior. This contributes to the fact that the base plate mass is fully present at the seal and thus an absolutely dense base plate level is obtained, which is virtually completely impermeable to vapor. A plug using a hollow pin according to the invention or a plug bridge with such and / or produced on a method according to the invention is thus sufficiently suitable for wet room applications, outdoor applications, etc., although hollow pins and not turned from solid material and thus per se forward hollow pins are used.

Nach Fig. 5 ist die Abdichtung in Form eines Deckelplättchens am oberen Ende des Hohlstiftes vorgesehen. Das Deckelplättchen liegt dabei auf einem nach innen leicht eingerollten oder -gedrückten bzw. geprägten Randbereich auf und wird von oben durch Laschen fixiert. Diese Fertigungsweise ist einfach und gewichtssparend.To Fig. 5 the seal is provided in the form of a lid plate at the upper end of the hollow pin. The cover plate lies on an inwardly slightly curled or pressed or embossed edge region and is fixed from above by tabs. This manufacturing method is simple and weight saving.

Claims (19)

  1. A method for producing a plug bridge (I) comprising a base plate (2) and a hollow pin (3) which penetrates said base plate, characterized in that the hollow space of the hollow pin, which is open at the socket end, is provided with a seal (4) in order to prevent base plate material from penetrating thereinto during production of the plug bridge
    and the base plate (2) is cast and/or injection-molded.
  2. The method according to the preceding claim, characterized in that the hollow pin (3) is fully embedded or recast in the area of the base plate plane.
  3. The method according to any one of the preceding claims, characterized in that the hollow pin (3) is bent up from a stamped and/or embossed metal sheet.
  4. The method according to any one of the preceding claims, characterized in that the seal (4) is formed as small plate mounted in the hollow space.
  5. The method according to any one of the preceding claims, characterized in that the small plate (4) is fixed at a circumferential knurled edge and/or embossed edge, in particular held between two such edges.
  6. The method according to any one of the preceding claims, characterized in that the small plate (4) is formed of hollow pin material.
  7. The method according to any one of the preceding claims, characterized in that between the seal (4) and the hollow pin part protruding above the base plate at least a lateral opening is provided in the hollow pin wall for facilitating the advancement of the base plate material up to the seal (4) in order to increase the torsional strength.
  8. The method according to any one of the preceding claims, characterized in that the seal (4) is provided at the crimp-side end area of the hollow pin.
  9. A plug bridge (1) comprising a base plate (2) and a hollow pin (3) which penetrates said base plate, characterized in that the hollow space of the hollow pin, which is open at the socket end, is provided with a seal abutting inwardly against the wall material of the hollow pin in order to prevent base plate material from penetrating thereinto during production of the plug bridge.
  10. The plug bridge (1) according to the preceding claim, characterized in that the base plate (2) is cast and/or injection-moulded.
  11. The plug bridge (1) according to the preceding claim, characterized in that the hollow pin (3) is fully embedded or recast in the area of the base plate plane.
  12. The plug bridge (1) according to any one of claims 9 to 11, characterized in that the hollow pin (3) is bent up from a stamped and/or embossed metal sheet.
  13. The plug bridge (1) according to any one of claims 9 to 12, characterized in that the seal (4) is formed as small plate mounted in the hollow space.
  14. The plug bridge (1) according to any one of claims 9 to 13, characterized in that the small plate (4) is fixed at a circumferential knurled edge and/or embossed edge, in particular held between two such edges.
  15. The plug bridge according to any one of claims 9 to 13, characterized in that the wall material on which the seal abuts is inwardly rolled, embossed or compressed.
  16. The plug bridge (1) according to any one of claims 9 to 15, characterized in that the small plate (4) is formed of hollow pin material.
  17. The plug bridge (1) according to any one of claims 9 to 16, characterized in that between the seal (4) and the hollow pin part protruding above the base plate at least a lateral opening is provided in the hollow pin wall for facilitating the advancement of the base plate material up to the seal (4) in order to increase the torsional strength.
  18. The plug bridge (1) according to any one of claims 9 to 17, characterized in that the seal (4) is provided at the crimp-side end area of the hollow pin.
  19. A hollow pin (3) for a plug bridge (1) according to any one of claims 9 to 18, wherein the hollow pin has a hollow space which is open at the socket end having a seal abutting inwardly against the wall material of the hollow pin in order to prevent base plate material from penetrating thereinto during production of the plug bridge.
EP03747082.0A 2002-04-26 2003-04-28 Plug bridge comprising a hollow pin Expired - Lifetime EP1502324B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10218865A DE10218865A1 (en) 2002-04-26 2002-04-26 Plug bridge with hollow pin
DE10218865 2002-04-26
PCT/DE2003/001374 WO2003092123A1 (en) 2002-04-26 2003-04-28 Plug bridge comprising a hollow pin

Publications (2)

Publication Number Publication Date
EP1502324A1 EP1502324A1 (en) 2005-02-02
EP1502324B1 true EP1502324B1 (en) 2015-04-15

Family

ID=29264871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03747082.0A Expired - Lifetime EP1502324B1 (en) 2002-04-26 2003-04-28 Plug bridge comprising a hollow pin

Country Status (12)

Country Link
US (1) US20050181663A1 (en)
EP (1) EP1502324B1 (en)
JP (1) JP2005524207A (en)
KR (1) KR20050007334A (en)
CN (1) CN100340030C (en)
AU (1) AU2003232615A1 (en)
CA (1) CA2484076A1 (en)
DE (2) DE10218865A1 (en)
EA (1) EA200401382A1 (en)
MX (1) MXPA04010591A (en)
PL (1) PL206485B1 (en)
WO (1) WO2003092123A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7915735B2 (en) * 2005-08-05 2011-03-29 Micron Technology, Inc. Selective metal deposition over dielectric layers
WO2009021491A2 (en) * 2007-08-13 2009-02-19 Global Genius (Hong Kong) Limited Plug pin formed using an extrusion process
DE102007039324A1 (en) 2007-08-20 2009-02-26 Michael Taller Hollow pin for plug bridge in power line in electrical device, has hollow pin axis, and wire connection end that is coaxially aligned to stop wire to hollow pin axis, where pin is integrally formed from stamped sheet metal
DE202007017752U1 (en) 2007-08-23 2009-01-02 Kazmierczak, Udo Connector bridge with plug hollow pin
DE102008006228B4 (en) 2008-01-25 2011-09-22 Hubert Stüken GmbH & Co. KG One-piece molded hollow pin
KR200460887Y1 (en) * 2009-02-24 2012-06-11 주식회사 뉴지로 A Connecting Terminal of a Heating Products
DE102013208171B4 (en) * 2013-05-03 2022-09-08 Taller Gmbh Part-solid hollow pin

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3428934A (en) * 1967-02-28 1969-02-18 Amp Inc Electrical connector for printed circuit board
US3611257A (en) * 1969-08-26 1971-10-05 Springfield Wire Of Indiana In Electric plug construction and method of manufacturing same
US5249975A (en) * 1991-12-20 1993-10-05 The Whitaker Corporation Stamped and formed sealed pin
US5282753A (en) * 1993-04-13 1994-02-01 Su Tun Li Inner pin base for a three-pole plug
DE29601892U1 (en) * 1996-02-05 1996-04-04 Su Tun Li Connector structure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD275350A1 (en) 1988-09-05 1990-01-17 Hermsdorf Keramik Veb DOUBLE-POLE DISCONNECTABLE PLUG
NL1001148C2 (en) * 1995-09-07 1997-03-11 Tun Li Su Plug construction.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3428934A (en) * 1967-02-28 1969-02-18 Amp Inc Electrical connector for printed circuit board
US3611257A (en) * 1969-08-26 1971-10-05 Springfield Wire Of Indiana In Electric plug construction and method of manufacturing same
US5249975A (en) * 1991-12-20 1993-10-05 The Whitaker Corporation Stamped and formed sealed pin
US5282753A (en) * 1993-04-13 1994-02-01 Su Tun Li Inner pin base for a three-pole plug
DE29601892U1 (en) * 1996-02-05 1996-04-04 Su Tun Li Connector structure

Also Published As

Publication number Publication date
MXPA04010591A (en) 2004-12-13
PL371342A1 (en) 2005-06-13
CN100340030C (en) 2007-09-26
DE10391971D2 (en) 2005-04-07
EP1502324A1 (en) 2005-02-02
WO2003092123A1 (en) 2003-11-06
AU2003232615A1 (en) 2003-11-10
CA2484076A1 (en) 2003-11-06
JP2005524207A (en) 2005-08-11
CN1647321A (en) 2005-07-27
US20050181663A1 (en) 2005-08-18
PL206485B1 (en) 2010-08-31
EA200401382A1 (en) 2005-06-30
KR20050007334A (en) 2005-01-17
DE10218865A1 (en) 2004-03-18

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