EP0468315B1 - Bridging member for doubly earthed safety plug - Google Patents
Bridging member for doubly earthed safety plug Download PDFInfo
- Publication number
- EP0468315B1 EP0468315B1 EP91111647A EP91111647A EP0468315B1 EP 0468315 B1 EP0468315 B1 EP 0468315B1 EP 91111647 A EP91111647 A EP 91111647A EP 91111647 A EP91111647 A EP 91111647A EP 0468315 B1 EP0468315 B1 EP 0468315B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bridging member
- tongue
- earthing
- doubly
- wall
- 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
Links
- 230000002787 reinforcement Effects 0.000 claims abstract description 6
- 230000000295 complement effect Effects 0.000 claims abstract description 5
- 238000007598 dipping method Methods 0.000 claims 1
- 238000007765 extrusion coating Methods 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
- H01R24/30—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable with additional earth or shield contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/655—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth brace
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
Definitions
- the grounding spring 3 laterally engages around the U-legs 6, 7 and is clipped onto the end faces thereof.
- the grounding spring 3 has, as integrated components, the crimp sleeve 9 which projects through an opening in the base side of the U-shaped molded part 2 into the free space 5 between the U legs 6, 7; the earthing spring 3 also has a contact spring 10 which is immersed in a receiving chamber 11 of the one U-leg 7.
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Elimination Of Static Electricity (AREA)
- Spark Plugs (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Description
Die vorliegende Neuerung bezieht sich auf eine Steckerbrücke nach dem Oberbegriff des Schutzanspruchs. Derartige Steckerbrücken bilden das Herzstück doppelt-geerdeter Schutzkontaktstecker, wie sie beispielsweise in den BENELUX-Staaten verwendet werden bzw. vorgeschrieben sind.The present innovation relates to a connector bridge according to the preamble of the protection claim. Such plug bridges form the heart of the double-grounded safety plug, as used or prescribed, for example, in the BENELUX countries.
Das Grundelement einer Steckerbrücke, z.B. nach EP-A-0 332 034, ist ein aus hartelastischem Kunststoff bestehendes, etwa U-förmiges Formteil, dessen seitlich hochstehende U-Schenkel zum Einclipsen einer die Steckerbrücke umgreifenden einstückigen Erdungsfeder dienen. Diese Erdungsfeder umfaßt einerseits eine in den Freiraum zwischen den U-Schenkeln eintauchende Krimphülse zur Aufnahme eines Null-Leiters eines dreiadrigen Kabels und andererseits eine in eine Aufnahmekammer eines der U-Schenkel eintauchende Kontaktfeder. Die Krimphülse und die Kontaktfeder sind integrierte Bestandteile der Erdungsfeder, d.h. sie sind Teil der im wesentlichen aus einem Metallstreifen gebogenen Erdungsfeder. Die genannte Kontaktfeder dient als Aufnahme bzw. Gegenstück für einen Erdungsstift einer Steckdose. Außer der genannten Erdungsfeder weist die Steckerbrücke noch ein Paar von Kontaktstiften auf, die vom Quersteg des U-förmigen Formteils abstehen, und die zum Freiraum zwischen den U-Schenkeln hin in Anschlußstifte übergehen, mit denen ihrerseits die Litzen der Phasenleiter des Kabels verbunden sind.The basic element of a connector bridge, for example according to EP-A-0 332 034, is an approximately U-shaped molded part consisting of hard elastic plastic, the laterally upstanding U-legs of which serve to clip in a one-piece grounding spring encompassing the connector bridge. This grounding spring comprises, on the one hand, a crimp sleeve which plunges into the space between the U-legs for receiving a neutral conductor of a three-core cable and, on the other hand, a contact spring which plunges into a receiving chamber of one of the U-legs. The crimp sleeve and the contact spring are integrated components of the earthing spring, ie they are part of the earthing spring which is essentially bent from a metal strip. The contact spring serves as a receptacle or counterpart for a grounding pin of a socket. In addition to the above-mentioned grounding spring, the connector bridge also has a pair of contact pins which protrude from the crosspiece of the U-shaped molded part and which merge with the clearance between the U-legs into connecting pins with which the strands of the phase conductors of the cable are connected.
Die soweit beschriebene Steckerbrücke wird nach Anschluß der Adern des Kabels an die Krimphülse bzw. die Anschlußstifte mit Kunststoff umspritzt. Somit erhält man einen Griffkörper, d.h. einen elektrischen Stecker, an dessen einer Seite die Kontaktstifte vorstehen und von dessen zweiter Seite das Kabel ausgeht, das im allgemeinen mit einem elektrischen Gerät verbunden ist.The plug bridge described so far is extrusion-coated with plastic after connecting the wires of the cable to the crimp sleeve or the connecting pins. This gives you a grip body, i.e. an electrical connector, on one side of which the contact pins protrude and on the second side of which the cable extends, which is generally connected to an electrical device.
Die genannte Aufnahmekammer für die Kontaktfeder der Erdungsfeder weist eine im allgemeinen nur dünne Wandung auf. Beim Umspritzen der Steckerbrücke, d.h. beim Spritzen des Griffkörpers, hat es sich gezeigt, daß diese relativ dünne Wandung der Aufnahmekammer dem Druck, mit dem der Kunststoff in die Form eingespritzt wird, nicht standhält; sie bricht aus und der Stecker ist Ausschuß.The said receiving chamber for the contact spring of the grounding spring has a wall which is generally only thin. When overmolding the plug bridge, i.e. when molding the handle body, it has been shown that this relatively thin wall of the receiving chamber does not withstand the pressure with which the plastic is injected into the mold; it breaks out and the plug is rejected.
Die der vorliegenden Neuerung zugrunde liegende Aufgabe besteht darin, den vorgenannten Problempunkt bezüglich der zu schwachen Kammerwandung zu eliminieren.The object on which the present innovation is based is to eliminate the aforementioned problem with regard to the chamber wall being too weak.
Die Lösung dieser Aufgabe besteht darin, daß die Aufnahmekammer für die Kontaktfeder an der zum Zentrum der Steckerbrücke hin liegenden Wandung eine nasenartig vorstehende Verstärkung aufweist.The solution to this problem is that the receiving chamber for the contact spring on the wall lying towards the center of the connector bridge has a nose-like protruding reinforcement.
Damit ist die Kammerwandung nun soweit verstärkt, daß sie beim Spritzen des Griffkörpers nicht mehr zerstört wird.The chamber wall is now reinforced to such an extent that it is no longer destroyed when the handle body is sprayed.
Die Neuerung wird im folgenden anhand der Zeichnung näher erläutert. Diese zeigt in
- Fig. 1
- eine Schnittdarstellung durch eine Steckerbrücke;
- Fig. 2
- eine Ansicht auf die Unterseite des die Steckerbrücke nach Fig. 1 bestimmenden U-förmigen Formteils.
- Fig. 1
- a sectional view through a connector bridge;
- Fig. 2
- a view of the underside of the U-shaped molding determining the connector bridge of FIG. 1.
In Fig. 1 ist eine Steckerbrücke 1 dargestellt, die im wesentlichen aus einem U-förmigen Formteil 2 besteht, das von einer Erdungsfeder 3 umgriffen ist. Von der Grundseite des U-förmigen Formteils 2 stehen Kontaktstifte 4 ab, die sich zum Freiraum 5 zwischen den Schenkeln 6,7 des U-förmigen Formteils 2 hin als Anschlußstifte 8 fortsetzen.In Fig. 1, a
Die Erdungsfeder 3 umgreift seitlich die U-Schenkel 6,7 und wird an deren Stirnseiten eingeclipst. Die Erdungsfeder 3 weist als integrierte Bestandteile die Krimphülse 9 auf, die durch eine Öffnung in der Grundseite des U-förmigen Formteils 2 in den Freiraum 5 zwischen den U-Schenkeln 6,7 ragt; die Erdungsfeder 3 weist außerdem eine Kontaktfeder 10 auf, die in eine Aufnahmekammer 11 des einen U-Schenkels 7 eintaucht.The grounding
Gemäß der vorliegenden Neuerung ist die Wandung 12 der genannten Aufnahmekammer 11 mittels einer nasenartig zum Innenraum der Aufnahmekammer 11 vorstehenden Verstärkung 13 verdickt bzw. verstärkt, so daß beim Auftreffen des in die Spritzform eines Griffkörpers eingespritzten Kunststoffs diese Wandung hinreichend stabil ist und nicht zerbirst.According to the present innovation, the
Die Querschnittsform der Aufnahmekammer 11 ,sowie die genannte nasenartige Verstärkung 13 sind insbesondere aus Fig. 2 ersichtlich. Dieser Darstellung ist insbesondere auch zu entnehmen, daß die Verstärkung 13 so angeformt ist, daß sie in eine komplementäre Einziehung der Kontaktfeder 10 eintaucht. Der Vollständigkeit halber soll noch darauf hingewiesen werden, daß in der Verlängerung der Aufnahmekammer 11 eine Sacklochbohrung 14 vorgesehen ist, in die - beim Einstecken des Schutzkontaktsteckers in eine Steckdose - der Erdungsstift der doppelt-geerdeten Schutzkontaktdose eintaucht.The cross-sectional shape of the
Claims (1)
- A bridging member (1) for doubly earthed safety plugs, with two laterally upstanding arms (2) for clipping on an earthing tongue (3) which grasps the bridging member, and which has a moulded-on contact tongue (10) for placing on a complementary earthing pin of a socket, the said contact tongue, when the earthing tongue is clipped to the bridging member (1), dipping into a complementary receiving chamber (11) of the bridging member, characterised in that the receiving chamber (11) for the contact tongue (10) has a projecting nose-shaped reinforcement (13) on the wall (12) of the receiving chamber (11) lying nearest the centre of the bridging member (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT91111647T ATE89103T1 (en) | 1990-07-27 | 1991-07-12 | PLUG JUMPER FOR DOUBLE-EARTHED PROTECTIVE PLUG. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9011104U DE9011104U1 (en) | 1990-07-27 | 1990-07-27 | Plug bridge for double-earthed safety plug |
DE9011104U | 1990-07-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0468315A1 EP0468315A1 (en) | 1992-01-29 |
EP0468315B1 true EP0468315B1 (en) | 1993-05-05 |
Family
ID=6855993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91111647A Expired - Lifetime EP0468315B1 (en) | 1990-07-27 | 1991-07-12 | Bridging member for doubly earthed safety plug |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0468315B1 (en) |
AT (1) | ATE89103T1 (en) |
DE (2) | DE9011104U1 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2943736C2 (en) * | 1979-10-30 | 1987-01-02 | Hans 5463 Unkel Simon | Insulating body for flat receptacles |
DE8817241U1 (en) * | 1988-03-09 | 1995-05-11 | Taller Gmbh, 76337 Waldbronn | Earthing contact plug with jumper and hollow cylindrical connecting pins for the current conductor and the protective conductor |
-
1990
- 1990-07-27 DE DE9011104U patent/DE9011104U1/en not_active Expired - Lifetime
-
1991
- 1991-07-12 AT AT91111647T patent/ATE89103T1/en not_active IP Right Cessation
- 1991-07-12 DE DE9191111647T patent/DE59100100D1/en not_active Expired - Lifetime
- 1991-07-12 EP EP91111647A patent/EP0468315B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59100100D1 (en) | 1993-06-09 |
DE9011104U1 (en) | 1990-09-27 |
EP0468315A1 (en) | 1992-01-29 |
ATE89103T1 (en) | 1993-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2048889A1 (en) | ||
DE3911316C2 (en) | Jumper for an earthed plug | |
EP1122840A1 (en) | Process for manufacturing a socket connector and socket connector | |
EP1531520A2 (en) | Electrical connecting terminal | |
DE3416905C1 (en) | Connection piece for establishing an electrical connection and method for producing the connection piece | |
DE69513607T2 (en) | INSULATED CONNECTING ELEMENT WITH TWO INTEGRATED, EXPANDED ENDS OF THE SOCKET | |
EP0930672B1 (en) | Bridge for holding pins for an electric mains plug with build-in fuse | |
EP0051103A1 (en) | Device for clamping an insulated cable conductor to a contact element | |
DE7738717U1 (en) | Socket with electrical connection cable | |
EP0468315B1 (en) | Bridging member for doubly earthed safety plug | |
DE4239261A1 (en) | Bridge for electric appliance plug - has contact and earth pins connected to appliance cable by welding or soldering | |
DE102004022345A1 (en) | Pin and socket connector used in road vehicle for medium voltage range has flattened female connector for ends of individual conductors on supply cable, connected to pin plug with receiving slit | |
DE2428582C2 (en) | Socket for an electrical connection line | |
CH669690A5 (en) | ||
EP0274605B1 (en) | Plug with protective contact provided with pin supporting bridge and protection cap | |
DE4120952C2 (en) | ||
DE4424363B4 (en) | A method of attaching a terminal to an insulated wire, apparatus for carrying out the method and electrical connection made by the method | |
DE2633461C2 (en) | Multi-core cable with a waterproof, molded connector | |
DE3504823A1 (en) | ELECTRIC CONNECTOR | |
DE3127215A1 (en) | Method and device for injection moulding a plug socket onto an electrical lead | |
DE8911541U1 (en) | Plug connection for low-current plug connections | |
DE821670C (en) | End termination for sheathed electrical cables | |
DE3818461C2 (en) | Plug bridge for a two-pin electrical device plug with a phase pin, a neutral pin and an unlocking pin | |
EP0563652A1 (en) | Safety plug bridge and process for producing the same | |
DE1987760U (en) | ELECTRICAL PLUG WITH AND WITHOUT PROTECTIVE CONTACT FOR MOVING ELECTRICAL CABLES. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR IT LI NL SE |
|
17P | Request for examination filed |
Effective date: 19920413 |
|
17Q | First examination report despatched |
Effective date: 19921014 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE DK ES FR IT LI NL SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Effective date: 19930505 Ref country code: SE Effective date: 19930505 Ref country code: NL Effective date: 19930505 Ref country code: BE Effective date: 19930505 Ref country code: ES Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19930505 Ref country code: DK Effective date: 19930505 |
|
REF | Corresponds to: |
Ref document number: 89103 Country of ref document: AT Date of ref document: 19930515 Kind code of ref document: T |
|
ITF | It: translation for a ep patent filed | ||
REF | Corresponds to: |
Ref document number: 59100100 Country of ref document: DE Date of ref document: 19930609 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Effective date: 19930712 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Effective date: 19930731 Ref country code: CH Effective date: 19930731 |
|
EN | Fr: translation not filed | ||
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
26N | No opposition filed | ||
ITTA | It: last paid annual fee | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20100730 Year of fee payment: 20 Ref country code: IT Payment date: 20100727 Year of fee payment: 20 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 59100100 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 59100100 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20110713 |