EP0135439B1 - Eine Viertelumdrehungsfixiervorrichtung eines Anschlussdeckels eines elektrischen Gerätes - Google Patents

Eine Viertelumdrehungsfixiervorrichtung eines Anschlussdeckels eines elektrischen Gerätes Download PDF

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Publication number
EP0135439B1
EP0135439B1 EP84401755A EP84401755A EP0135439B1 EP 0135439 B1 EP0135439 B1 EP 0135439B1 EP 84401755 A EP84401755 A EP 84401755A EP 84401755 A EP84401755 A EP 84401755A EP 0135439 B1 EP0135439 B1 EP 0135439B1
Authority
EP
European Patent Office
Prior art keywords
lever
screw
terminal cover
groove
housing
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
EP84401755A
Other languages
English (en)
French (fr)
Other versions
EP0135439A1 (de
Inventor
William Bartolo
Noel Le Corre
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
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 Merlin Gerin SA filed Critical Merlin Gerin SA
Publication of EP0135439A1 publication Critical patent/EP0135439A1/de
Application granted granted Critical
Publication of EP0135439B1 publication Critical patent/EP0135439B1/de
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
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate

Definitions

  • the invention relates to a quick fixing device according to the preamble of claim 1.
  • the lever carries a finger which is housed in the folded position in a recess in the cover to lock the lever. By tilting the lever, it is possible to unlock it by extracting the finger from the recess and turn it with the quarter-turn screw.
  • This multi-piece device is not inviolable and the lever can be detached from the screw by simple withdrawal of the hinge pin, which allows actuation of the screw using pliers.
  • the lever is locked by a fragile finger which is practically inaccessible for possible sealing.
  • the fixing screw generally has a hole for the passage of the sealing wire passing through a conjugate hole secured to the cover.
  • the installation of the sealing wire is difficult and the wire can be insufficiently stretched to avoid a partial rotation of the screw sometimes sufficient for the release of the terminal cover and disassembly.
  • Such a fixing is therefore not foolproof and it requires a screwdriver for the installation and removal of the terminal cover.
  • Another method of attachment makes use of simple screws requiring several rotational turns for attachment and therefore being tamper-proof.
  • the fixing operation is however long and also requires a screwdriver.
  • the present invention aims to allow the realization of a fast, simple and reliable fixing device and this object is achieved by the implementation of the features of claim 1.
  • the operating lever is foldable in a groove of the terminal cover, and in this folded position, it locks the screw in the position for fixing the terminal cover on the housing of the electrical appliance.
  • To release the terminal cover simply tilt the lever out of the groove and turn it to pivot the screw a quarter of a turn to the release position of the terminal cover.
  • the sealing wire retains the lever in its folded position inside the groove preventing any extraction of this lever and therefore any rotation of the screw.
  • the sealing hole is formed in the vicinity of the free end of the lever which performs a large tilting and rotation stroke for the release of the terminal cover.
  • a terminal cover 10 in the form of a cover capable of covering the terminals of an electrical appliance, in particular the terminals of an electric circuit breaker, comprises a fixing screw 12 capable of cooperating with a mating part 13 of the housing of the circuit breaker.
  • the screw 12 of the quarter-turn type is rotatably mounted in a housing 14 formed in the terminal cover 10, the head 16 of the screw 12 being embedded in a recess 18 on the face of the terminal cover.
  • the opposite end of the screw 12 carries a cleat 20 engaging in the conjugate part 13 to fix the terminal cover 10 to the housing. (see fig. 3).
  • a quarter turn rotation of the screw 12 releases the cleat 20 by breaking the connection between the terminal cover and the housing.
  • an operating lever 22 capable of struggling in a diametral plane of the screw 12 and of being folded back inside a groove 24 formed in the terminal cover 10.
  • the width of the groove 24 is slightly greater than the width of the lever 22 to prevent any rotation of the lever assembly 22, screw 12 in the inserted position of the lever in the groove 24.
  • the screw 12 is held in its housing 14 by a split nose 26 extending along the axis of the screw 12 and coming to be clipped in a conjugate orifice of the cover 10.
  • the screw 12, head 16, cleat 20, lever 22 and nose 26 assembly is constituted by a one-piece molded plastic part, the articulation of the lever 22 on the head 16 being produced by a thinned part 28.
  • the free end of the lever 22 has a tongue 30 with folded edges 32 covering a transverse partition 34 disposed in the groove 24.
  • the tongue 30 and the partition 34 are provided with holes 36, 38 which are aligned in. folded position of the lever 22 inside the groove 24.
  • a sealing wire (not shown) can pass through the holes 36, 38, so as to secure the tongue 30 to the partition 34 and prevent any lifting of the lever 22 in the direction extraction of the groove 24.
  • the end 32 facilitates gripping lever 22 sion for the lever output operation.
  • the elasticity of the articulation 28 urges the lever in the position inserted in the groove 24, the retention of the lever can also be reinforced by friction or clipping.
  • the installation of the sealing wire is simple despite the fact that no part of the screw 12 and of the lever 22 protrudes from the face of the terminal cover 10.
  • the fixing can of course be carried out by several screws 12 and the The invention is applicable to fasteners from parts other than terminal covers, in particular from covers or other panels of electrical apparatus.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Claims (4)

1. Schnelle Befestigungsvorrichtung einer Klemmenabdeckhaube (10) eines Gehauses eines elektrischen Apparates, mit einer Befestigungsschraube, die drehbar mit teilweiser Umdrehung auf der Klemmenabdeckhaube montiert ist, und die an einem ihrer Enden einen Betaetigungsknopf (16) und am entgegengesetzten Ende einen Anschlag (20) traegt, der sich in der Befestigungslage in eine konjugierte Verriegelungs-Aushoehlung (13) des Gehaeuses einfuegt, wobei der genannte Kopf (16) radial auf einer der Seiten einen Betaetigungshebel (22) traegt, welcher kippbar auf dem genannten Schraubenkopf montiert ist, um entweder eine niedergedrueckte Verriegelungsstellung des Hebels, oder eine nach oben gedrueckte Stellung einzunehmen, welche eine begrenzte Drehung des Hebels und der damit verbundenen Schraube zulaesst, um den Anschlag (20) aus seiner Aushoehlung zu befreien und die Klemmenabdeckhaube (10) vom Gehaeuse zu trennen, dadurch gekennzeichnet, dass die Schraube (12), der Anschlag (20) und der Hebel (22) aus einem Gusstueck aus Plastikmaterial bestehen, wobei der Hebel (22) mit dem Schraubenkopf (16) durch ein verengtes Teil verbunden ist, welches ein Kippgelenk (28) bildet, und dass eine Rille (24) zur Unterbringung des genannten Hebels (22) in der genannten Klemmenabdeckhaube (10) vorgesehen ist, um mit geringem Spiel den Hebel (22) zu empfangen und den Hebel und die Schraube (12) in der Befestigungslage zu verriegeln.
2. Schnelle Befestigungsvorrichtung gemaess Anspruch 1, dadurch gekennzeichnet, dass die genannte Rille (24) zur Unterbringung des Hebels (22) sich an eine Vertiefung (18) der Klemmenabdeckhaube (10) anschliesst, in der der Kopf (16) der Schraube (12) versenkt ist, wobei sich der genannte Hebel zurueckzieht und in der Rille in der Verriegelungslage verschwindet.
3. Schnelle Befestigungsvorrichtungs gemaess Anspruch 1 oder 2, dadurch gekennzeichnet, dass das freie Ende des Hebels eine Oeffnung (36) aufweist zum Durchlassen eines Plombierungsdrahtes, der den Hebel (22) in zurueckgezogener Lage im Innern der Rille (24) zurueckhaelt.
4. Schnelle Befestigungsvorrichtung gemaess Anspruch 3, dadurch gekennzeichnet, dass die genannte Oeffnung (36) auf einer Zunge (30) angeordnet ist, die sich senkrecht zu dem genannten Hebel (22) erstreckt und mit einer konjugierten Oeffnung (38) zusammenarbeitet, die auf einer transversalen Trennwand (34) der genannten Rille (24) vorgesehen ist.
EP84401755A 1983-09-14 1984-09-04 Eine Viertelumdrehungsfixiervorrichtung eines Anschlussdeckels eines elektrischen Gerätes Expired EP0135439B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8314738 1983-09-14
FR8314738A FR2551924B1 (fr) 1983-09-14 1983-09-14 Dispositif de fixation a quart de tour d'un cache-bornes d'un appareil electrique

Publications (2)

Publication Number Publication Date
EP0135439A1 EP0135439A1 (de) 1985-03-27
EP0135439B1 true EP0135439B1 (de) 1987-12-23

Family

ID=9292272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84401755A Expired EP0135439B1 (de) 1983-09-14 1984-09-04 Eine Viertelumdrehungsfixiervorrichtung eines Anschlussdeckels eines elektrischen Gerätes

Country Status (6)

Country Link
EP (1) EP0135439B1 (de)
DE (1) DE3468295D1 (de)
ES (1) ES290317Y (de)
FR (1) FR2551924B1 (de)
PT (1) PT79188B (de)
ZA (1) ZA847162B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9842712B2 (en) 2015-03-06 2017-12-12 General Electric Company Switching device having terminal cover, and method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9013158U1 (de) * 1990-09-12 1990-11-22 Fritz Kuke Kg, 1000 Berlin Verriegelung für eine Telekommunikations-Anschluß-Einheit (TAE)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1062304B (de) * 1958-02-05 1959-07-30 Westfaelische Metall Ind G M B Elektrische Steckdose, insbesondere fuer Kraft- und Luftfahrzeuge
DE1690430A1 (de) * 1967-08-10 1971-06-03 Vedder Gmbh Geb Steckdose,insbesondere Schutzkontaktsteckdose mit Klappdeckel und einem rechteckigen oder quadratischen Rahmen
DE2653440C3 (de) * 1976-11-24 1980-02-07 Erich 8000 Muenchen Ettinger Apparateklemme

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9842712B2 (en) 2015-03-06 2017-12-12 General Electric Company Switching device having terminal cover, and method

Also Published As

Publication number Publication date
PT79188A (fr) 1984-10-01
FR2551924B1 (fr) 1985-10-11
ES290317U (es) 1986-03-16
DE3468295D1 (en) 1988-02-04
PT79188B (fr) 1986-07-17
ZA847162B (en) 1985-04-24
ES290317Y (es) 1986-10-16
EP0135439A1 (de) 1985-03-27
FR2551924A1 (fr) 1985-03-15

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