EP0105538B1 - Electrical outlet or outlet strip made from plastic - Google Patents

Electrical outlet or outlet strip made from plastic Download PDF

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Publication number
EP0105538B1
EP0105538B1 EP83201199A EP83201199A EP0105538B1 EP 0105538 B1 EP0105538 B1 EP 0105538B1 EP 83201199 A EP83201199 A EP 83201199A EP 83201199 A EP83201199 A EP 83201199A EP 0105538 B1 EP0105538 B1 EP 0105538B1
Authority
EP
European Patent Office
Prior art keywords
retaining
phases
connector strip
phase
webs
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
Application number
EP83201199A
Other languages
German (de)
French (fr)
Other versions
EP0105538A1 (en
Inventor
Hartmut Schinzel
Klaus Hangen
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.)
Rehau Automotive SE and Co KG
Original Assignee
Rehau AG and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rehau AG and Co filed Critical Rehau AG and Co
Publication of EP0105538A1 publication Critical patent/EP0105538A1/en
Application granted granted Critical
Publication of EP0105538B1 publication Critical patent/EP0105538B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • H01R13/4223—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers
    • 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
    • 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
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H01R24/78—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall 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
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/006—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured to apparatus or structure, e.g. duplex wall receptacle

Definitions

  • the invention relates to a socket or plug connector made of plastic for tapping current from current-carrying lines by means of plug pins.
  • Plug connection elements in particular for electronic devices, are known from DE-A No. 2260783 and US-A No. 4013331, in which only one plug block is fixed in the connection element by the retaining lug.
  • the earthing bracket and the phases are screwed or pressed into the base element made of insulating material.
  • Designs are also known in which the metallic phases and the grounding bracket are placed in a plastic injection mold and partially encapsulated with the insulating material.
  • the invention comes in, which has set itself the task of avoiding the disadvantages of the known prior art and, in particular, of ensuring simple attachment of the metallic phases or grounding bracket within the socket or power strip.
  • the phases or the earthing brackets are overlapped in sections by retaining lugs of resiliently designed retaining webs, which retaining webs are formed in one piece with the plastic material of the base unit.
  • the determination of the phases or the earthing bracket according to the invention can take place both in the cover of the socket or power strip and in the base part.
  • the holding webs are designed in cross-section such that they spring back by the length of the holding lugs when the phases or the earthing clip are pressed in and return to their holding rest position after the pressing-in process has ended. It also appears to be expedient that the holding webs in the working position are pressed slightly outward from the rest position while the plug pins are pressed in between the phases while maintaining the holding property. In this case, it appears advantageous that the holding webs have a ratio of locking length to locking path between 10: 1, preferably between 7: 1.
  • the holding webs are expediently arranged here under pre-tension against the engagement openings for the plug pins.
  • the object of the invention is shown schematically in the drawing. It was deliberately avoided to play a socket or power strip. Rather, only the non-essential parts of the invention are shown schematically.
  • Fig. 1 the base unit 6 is shown, of which the holding webs 3 protrude.
  • the retaining webs 3 have at their free ends retaining lugs 4, which overlap the U-shaped grounding bracket at the edges of the free U-legs.
  • the retaining lugs 4 each have insertion slopes 41 facing each other, on which the U-shaped earthing slide slides along when pressed in.
  • the retaining webs 3 spring back by the width of the retaining lugs 4 during this pressing-in process.
  • the retaining lugs 4 snap over the free edges of the U-shaped earthing clip and fix this to the base unit 6.
  • Fig. 2 the holder of a phase 2 is shown, the support of phase 2 is not shown in the drawing.
  • the phase 2 is overlapped on its right edge by the holding nose 4 of the holding web 3, the holding web 3 being connected directly to the base unit 6.
  • Phase 2 is shown in section through the gated engagement area for the plug pin, not shown.
  • the engagement opening 61 for the plug pin is formed directly below the opening in phase 2.
  • the retaining lug 4 has the sliding bevel 41, on which the phase 2 slides along during insertion until it latches in accordance with the shape described for FIG. 1.
  • phase 2 for the plug pin 5 is enlarged by pressing in the plug pins 5, i. H. phase 2 is pressed outwards when plug pin 5 is inserted.
  • phase 2 also displaces holding web 3 with holding lug 4, but only so far that holding lug 4 continues to overlap the upper edge of phase 2 and holds it in its resting position. After the connector pin has been pulled out of the engagement opening of phase 2, the latter springs back into its original opening size, whereby the holding web 3 with the holding lug 4 again assumes the position in FIG. 2.
  • phase 2 is shown only on one side, the retaining web 3 connected to the base unit 6 with the retaining nose 4 being located on the right side of phase 2. It is within the scope of the invention to also arrange the retaining web 3 in the retaining lug 4 on the other side of the base unit 6, and thus the phase 2 to be halved on both sides tern, as shown in Fig. 1 for holding the grounding bracket 1. However, it is important that at least one holding web 3 with the holding lug 4 is arranged on and above each engagement opening of phase 2. In this way, connector strips of any length can be equipped, with a plurality of engagement openings arranged one behind the other or next to one another in phase 2 for the connector pins 5. For reasons of strength, each of these engagement openings should be provided with at least one retaining web 3.

Description

Die Erfindung betrifft eine Steckdose oder Stekkerleiste aus Kunststoff für den Abgriff von Strom aus stromführenden Leitungen mittels Steckerstiften, gemäss Oberbegriff des Anspruches 1.The invention relates to a socket or plug connector made of plastic for tapping current from current-carrying lines by means of plug pins.

Es sind aus der DE-A Nr. 2260783 und US-A Nr. 4013331 Steckverbindungselemente, insbesondere für elektronische Geräte, bekannt, bei denen nur ein Steckerblock im Anschlusselement von der Haltenase fixiert wird.Plug connection elements, in particular for electronic devices, are known from DE-A No. 2260783 and US-A No. 4013331, in which only one plug block is fixed in the connection element by the retaining lug.

Bei bekannten Steckdosen oder Steckerleisten sind beispielsweise der Erdungsbügel und die Phasen in das aus Isoliermaterial bestehende Basiselement eingeschraubt oder eingepresst. Es sind auch Ausführungen bekannt, bei denen die metallischen Phasen und die Erdungsbügel in eine Kunststoff-Spritzgussform eingelegt und mit dem lsoliermaterial teilweise umspritzt werden.In known sockets or power strips, for example, the earthing bracket and the phases are screwed or pressed into the base element made of insulating material. Designs are also known in which the metallic phases and the grounding bracket are placed in a plastic injection mold and partially encapsulated with the insulating material.

Allen diesen Ausführungen gemeinsam sind die Nachteile der aufwendigen Konfektion bzw. des exakten Einlegens der Metallteile in die Spritzgussform.Common to all of these designs are the disadvantages of the elaborate assembly or the exact insertion of the metal parts into the injection mold.

Hier setzt die Erfindung ein, die es sich zur Aufgabe gestellt hat, die Nachteile des bekannten Standes der Technik zu vermeiden und insbesondere eine einfache Befestigung der metallischen Phasen bzw. Erdungsbügel innerhalb der Steckdose oder Steckerleiste zu gewährleisten. Erfindungsgemäss wird dazu vorgeschlagen, dass die Phasen bzw. die Erdungsbügel abschnittsweise von Haltenasen federnd ausgebildeter Haltestege übergriffen sind, welche Haltestege aus dem Kunststoffmaterial der Grundeinheit einstückig mit dieser gebildet sind.This is where the invention comes in, which has set itself the task of avoiding the disadvantages of the known prior art and, in particular, of ensuring simple attachment of the metallic phases or grounding bracket within the socket or power strip. According to the invention, it is proposed that the phases or the earthing brackets are overlapped in sections by retaining lugs of resiliently designed retaining webs, which retaining webs are formed in one piece with the plastic material of the base unit.

Die erfindungsgemässe Festlegung der Phasen bzw. der Erdungsbügel.kann sowohl im Deckel der Steckdose oder Steckerleiste wie auch im Basisteil erfolgen.The determination of the phases or the earthing bracket according to the invention can take place both in the cover of the socket or power strip and in the base part.

Hierbei hat es sich als vorteilhaft herausgestellt, dass die Haltestege querschnittsmässig derart ausgelegt sind, dass sie beim Eindrücken der Phasen bzw. des Erdungsbügels um die Länge der Haltenasen zurückfedern und nach Abschluss des Eindrückvorganges wieder in ihre halternde Ruheposition zurückkehren. Zweckmässig erscheint es weiterhin, dass die Haltestege in Arbeitsstellung bei zwischen die Phasen eingedrückten Steckerstiften aus der Ruhelage unter Beibehaltung der Halteeigenschaft geringfügig nach aussen gedrückt sind. Hierbei erscheint es vorteilhaft, dass die Haltestege ein Verhältnis von Rastlänge zu Rastweg zwischen 10:1, vorzugsweise zwischen 7:1 aufweisen.It has proven to be advantageous here that the holding webs are designed in cross-section such that they spring back by the length of the holding lugs when the phases or the earthing clip are pressed in and return to their holding rest position after the pressing-in process has ended. It also appears to be expedient that the holding webs in the working position are pressed slightly outward from the rest position while the plug pins are pressed in between the phases while maintaining the holding property. In this case, it appears advantageous that the holding webs have a ratio of locking length to locking path between 10: 1, preferably between 7: 1.

Die Haltestege sind hier zweckmässigerweise unter Vorspannung gegen die Eingriffsöffnungen für die Steckerstifte angeordnet.The holding webs are expediently arranged here under pre-tension against the engagement openings for the plug pins.

Der Vorteil der erfindungsgemässen Festlegung von Phasen und Erdungsbügeln in Steckdosen oder Steckerleisten wird darin gesehen, dass hier die Phasen bzw. Erdungsbügel durch einen einfachen Rastvorgang in den Innenbereich der Steckdosen oder Steckerleisten festgelegt werden können. Es entfällt also hier jeweils die aufwendige M ontage- bzw. Einlegearbeit des bekannten Stan des der Technik.The advantage of the determination of phases and earthing clips in sockets or plug strips according to the invention is seen in the fact that the phases or earthing clips can be fixed in the interior of the sockets or plug strips by a simple latching process. So there is no need for the elaborate assembly or insertion work of the known state of the art.

In der Zeichnung ist der Gegenstand der Erfindung schematisch dargestellt. Es wurde hierbei bewusst auf die Wiedergabe einer Steckdose bzw. Steckerleiste verzichtet. Es sind vielmehr nur die ;unktionswesentlichen Teile der Erfindung schematisch dargestellt.The object of the invention is shown schematically in the drawing. It was deliberately avoided to play a socket or power strip. Rather, only the non-essential parts of the invention are shown schematically.

Es zeigen:

  • Fig. 1 eine Halterung der Erdungsschiene,
  • Fig. 2 eine Halterung einer Phase, und
  • Fig. 3 eine gehalterte Phase mit eingeschobenem Steckerstift.
Show it:
  • 1 is a holder of the grounding rail,
  • Fig. 2 is a holder of a phase, and
  • Fig. 3 shows a held phase with the plug pin inserted.

In Fig. 1 ist die Grundeinheit 6 gezeigt, von der die Haltestege 3 aufragen. Die Haltestege 3 besitzen an ihren freien Enden Haltenasen 4, welche den U-förmigen Erdungsbügel an den Rändern der freien U-Schenkel halternd übergreifen. Die Haltenasen 4 besitzen jeweils aufeinander zugerichtete Einführungsschrägen 41, auf denen der U-förmige Erdungsbügel beim Eindrücken entlang gleitet. Die Haltestege 3 federn bei diesem Eindrückvorgang um die Breite der Haltenasen 4 zurück. Am Ende des Eindrückvorganges schnappen die Haltenasen 4 über die freien Ränder des U-förmigen Erdungsbügels und legen diesen an der Grundeinheit 6 fest.In Fig. 1, the base unit 6 is shown, of which the holding webs 3 protrude. The retaining webs 3 have at their free ends retaining lugs 4, which overlap the U-shaped grounding bracket at the edges of the free U-legs. The retaining lugs 4 each have insertion slopes 41 facing each other, on which the U-shaped earthing slide slides along when pressed in. The retaining webs 3 spring back by the width of the retaining lugs 4 during this pressing-in process. At the end of the pressing-in process, the retaining lugs 4 snap over the free edges of the U-shaped earthing clip and fix this to the base unit 6.

In Fig. 2 ist die Halterung einer Phase 2 dargestellt, wobei das Auflager der Phase 2 in der Zeichnung nicht gezeigt ist. Die Phase 2 ist an ihrem rechten Rand von der Haltenase 4 des Haltesteges 3 übergriffen, wobei der Haltesteg 3 direkt mit der Grundeinheit 6 verbunden ist. Die Phase 2 ist im Schnitt durch den aufgekelchten Eingriffsbereich für den nichtdargestellten Steckerstift gezeigt. Die Eingriffsöffnung 61 für den Steckerstift ist direkt unterhalb der Öffnung der Phase 2 eingeformt. Auch hier weist die Haltenase 4 die Gleitschräge 41 auf, auf der die Phase 2 beim Einbringen entlang gleitet bis zur Verrasterung entsprechend der zu Fig. 1 geschilderten Form.In Fig. 2, the holder of a phase 2 is shown, the support of phase 2 is not shown in the drawing. The phase 2 is overlapped on its right edge by the holding nose 4 of the holding web 3, the holding web 3 being connected directly to the base unit 6. Phase 2 is shown in section through the gated engagement area for the plug pin, not shown. The engagement opening 61 for the plug pin is formed directly below the opening in phase 2. Here too, the retaining lug 4 has the sliding bevel 41, on which the phase 2 slides along during insertion until it latches in accordance with the shape described for FIG. 1.

Fig. 3 zeigt die gehalterte Phase 2 mit eingeschobenem Steckerstift 5.3 shows the held phase 2 with the plug pin 5 inserted.

Hierbei wird deutlich, dass die Eingriffsöffnung der Phase 2 für den Steckerstift 5 durch das Eindrücken der Steckerstifte 5 vergrössert wird, d. h. die Phase 2 wird beim Einbringen des Steckerstiftes 5 nach aussen gedrückt.It is clear here that the engagement opening of phase 2 for the plug pin 5 is enlarged by pressing in the plug pins 5, i. H. phase 2 is pressed outwards when plug pin 5 is inserted.

Dabei verschiebt die Phase 2 auch den Haltesteg 3 mit der Haltenase 4, jedoch nur so weit, dass die Haltenase 4 den oberen Rand der Phase 2 weiterhin übergreift und diese in ihrem Rastsitz festhält. Nach dem Herausziehen des Steckerstiftes aus der Eingriffsöffnung der Phase 2 federt diese wieder in ihre ursprüngliche Öffnungsgrösse zurück, wobei auch der Haltesteg 3 mit der Haltenase 4 wieder die Stellung in Fig. 2 annimmt.In this case, phase 2 also displaces holding web 3 with holding lug 4, but only so far that holding lug 4 continues to overlap the upper edge of phase 2 and holds it in its resting position. After the connector pin has been pulled out of the engagement opening of phase 2, the latter springs back into its original opening size, whereby the holding web 3 with the holding lug 4 again assumes the position in FIG. 2.

In den Fig. 2 und 3 ist die Verrasterung der Phase 2 nur einseitig dargestellt, wobei der mit der Grundeinheit 6 verbundene Haltesteg 3 mit der Haltenase 4 auf der rechten Seite der Phase 2 befindlich ist. Es lieg im Rahmen der Erfindung, den Haltesteg 3 in der Haltenase 4 auch gegenüberliegend auf der anderen Seite der Grundeinheit 6 anzuordnen und damit die Phase 2 beidseitig zu haltern, so wie es in Fig. 1 zur Halterung des Erdungsbügels 1 dargestellt ist. Es ist jedoch wichtig, dass wenigstens ein Haltesteg 3 mit der Haltenase 4 an und über jeder Eingriffsöffnung der Phase 2 angeordnet ist. Auf diese Weise können beliebig lange Steckerleisten ausgestattet werden, wobei mehrere, hintereinander oder nebeneinander angeordnete Eingriffsöffnungen in der Phase 2 für die Steckerstifte 5 angeordnet sind. Aus Festigkeitsgründen soll jede dieser Eingriffsöffnungen mit wenigstens einem Haltesteg 3 versehen sein.2 and 3, the latching of phase 2 is shown only on one side, the retaining web 3 connected to the base unit 6 with the retaining nose 4 being located on the right side of phase 2. It is within the scope of the invention to also arrange the retaining web 3 in the retaining lug 4 on the other side of the base unit 6, and thus the phase 2 to be halved on both sides tern, as shown in Fig. 1 for holding the grounding bracket 1. However, it is important that at least one holding web 3 with the holding lug 4 is arranged on and above each engagement opening of phase 2. In this way, connector strips of any length can be equipped, with a plurality of engagement openings arranged one behind the other or next to one another in phase 2 for the connector pins 5. For reasons of strength, each of these engagement openings should be provided with at least one retaining web 3.

Claims (3)

1. Elektric socket or connector strip made of plastic, for tapping electric current off live conductors by means of plug pins (5), the live conductors being held by means of elastic retaining webs (3) made in one piece with, and of the same plastic material as, the base unit and at least one earth bracket (1 ) being attached nextto the live conductors with their phases (2) inside the electric socket or connector strip, the electric socket or connector strip being characterized in that the phases (2) of the live conductors and the earth brackets (1) are at least on one side overlapped over their length by retaining noses (4) of the retaining webs (3), and the retaining webs (3) are pushed out of their rest position slightly outward while retaining their fixing properties, when the plug pins (5) are pushed in between the phases (2).
2. Electric socket or connector strip according to Claim 1, in which the retaining webs (3) with their retaining noses (4) are arranged on at least one side in the vicinity of the engaging apertures of the phases (2).
3. Electric socket or connector strip according to Claim 1, in which the retaining webs (3) with their retaining noses (4) are arranged in the base unit entirely in accordance with the length of the phases (2) or of the earth bracket (1).
EP83201199A 1982-08-28 1983-08-17 Electrical outlet or outlet strip made from plastic Expired EP0105538B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8224355U DE8224355U1 (en) 1982-08-28 1982-08-28 Plastic socket or power strip
DE8224355U 1982-08-28

Publications (2)

Publication Number Publication Date
EP0105538A1 EP0105538A1 (en) 1984-04-18
EP0105538B1 true EP0105538B1 (en) 1986-04-02

Family

ID=6743166

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83201199A Expired EP0105538B1 (en) 1982-08-28 1983-08-17 Electrical outlet or outlet strip made from plastic

Country Status (2)

Country Link
EP (1) EP0105538B1 (en)
DE (2) DE8224355U1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD300623A7 (en) * 1986-11-17 1992-06-25 Elektroinstallation Wismar Gmbh,De ATTACHING A PROTECTIVE CONTACT
ES2150376B1 (en) * 1998-07-24 2001-06-01 Univ Coruna BASE ASSEMBLY AND BIPOLAR PLUG.
FI120925B (en) * 2008-11-28 2010-04-30 Abb Oy socket
DE202014001872U1 (en) 2014-03-04 2015-06-08 Brand Gmbh + Co Kg Housing for a laboratory device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013331A (en) * 1966-08-15 1977-03-22 Amp Incorporated Electrical housing member
US3781760A (en) * 1972-03-28 1973-12-25 Du Pont Connector block
DE2717134C2 (en) * 1977-04-19 1981-10-08 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Arrangement for defining at least one busbar

Also Published As

Publication number Publication date
DE3362797D1 (en) 1986-05-07
DE8224355U1 (en) 1982-11-25
EP0105538A1 (en) 1984-04-18

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