EP1206003A1 - Mise à la terre avec liaison vis-écrou à cage d'un composant sur pièce couverte d'une couche isolante - Google Patents

Mise à la terre avec liaison vis-écrou à cage d'un composant sur pièce couverte d'une couche isolante Download PDF

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Publication number
EP1206003A1
EP1206003A1 EP01402891A EP01402891A EP1206003A1 EP 1206003 A1 EP1206003 A1 EP 1206003A1 EP 01402891 A EP01402891 A EP 01402891A EP 01402891 A EP01402891 A EP 01402891A EP 1206003 A1 EP1206003 A1 EP 1206003A1
Authority
EP
European Patent Office
Prior art keywords
leg
cage
tips
earthing
nut
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01402891A
Other languages
German (de)
English (en)
Other versions
EP1206003B1 (fr
Inventor
Otto Demel
Walter Hoffmann
Uwe Rieger
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.)
LISI Automotive Rapid
Original Assignee
Rapid 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 Rapid SA filed Critical Rapid SA
Publication of EP1206003A1 publication Critical patent/EP1206003A1/fr
Application granted granted Critical
Publication of EP1206003B1 publication Critical patent/EP1206003B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/26—Connections in which at least one of the connecting parts has projections which bite into or engage the other connecting part in order to improve the contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/304—Clamped connections, spring connections utilising a screw or nut clamping member having means for improving contact

Definitions

  • the present invention relates to a Grounding device with a cage nut and one Tightening screw for earth connection of components Fasteners with non-conductive Surface coating, such as profile rails, with the help of a counterpart with a conductive surface, the Cage bracket for hanging in the fastening part has, which are U-shaped and through a hole inserted in the fastening part when attaching the nut be, with a first leg of each bracket on the Underside of the mother and the other leg between the fastener and the counterpart comes and the bracket has grounding tips, the non-conductive when tightening the screw Surface coating of the fastener penetrate.
  • the earthing tips are on the Hanging brackets, which has the disadvantage that the bracket when Tightening the screw must be strongly deformed
  • the connecting part and the counterpart are not flush with one another and soft counterparts e.g. made of aluminum deform so that grounding is insufficient Quality arises.
  • the object of the present invention is to achieve this to create a ground connection that the does not have the aforementioned disadvantages.
  • Figure 1 shows schematically an inventive Earthing device
  • Figures 2, 3 and 4 show in a view from one below and in two side views rotated by 90 ° first embodiment of an inventive Cage nut.
  • FIG. 5 shows the shape in a top view a flat band-shaped piece of material from which based on the cage formed according to Figures 2 to 4 becomes.
  • Figures 6, 7 and 8 show in a view from one below and in two side views offset by 90 ° second embodiment of a cage cage nut according to the invention.
  • Figure 9 shows the shape of a flat band-shaped piece of material from which the cage starts 6 to 8 is formed.
  • Figure 1 shows an inventive Grounding device 1 with a grounding nut 2, one this nut associated cage 3 and a screw 4th for fastening with simultaneous grounding of a plate or a component 5 on a fastening part 6, e.g. a profile rail.
  • the surfaces 7, 8 of the Fastener are with an electrically insulating Provide coating, e.g. a powder coating.
  • the Surface 9 of the plate 5 is electrically conductive. To the Push the screw through the one on top of the other Parts 5 and 6 have these holes aligned with one another 10 corresponding shapes.
  • the cage 3 is made in a known manner flat piece of strip material according to FIGS. 5 and 8 appropriate bending in a known manner and has a rectangular nut 2 comprising Cage area 12 and two opposing, bracket 13 adjoining area 12 Brackets are band-shaped from the two ends Starting material formed according to Figures 5 and 8.
  • Each bracket has a U-shaped profile, with one first leg 15, which on the underside of the nut 2nd rests and extends towards its axis, and one second outer leg 16, which in the assembled state between the two facing surfaces 8 and 9 the fastening part 6 and the counterpart 5 to lie comes.
  • the nut 2 is protruding from the side Tab 18 on the open sides of the bracket in the cage held.
  • Earthing tips 20 are formed on each leg 15 of a bracket 13 and are directed toward the surface 7 of the fastening part.
  • the tips 20 are arranged centrally on the leg.
  • the grounding tip 20 forms the end of a tongue 21 punched out of the flat starting material and which extends from a position near an end 23 of the starting piece to the axis of a central round hole 24, which is intended for the insertion of the screw is.
  • the first leg 15 corresponds to the area between the bending lines l 2 and l 3 , which contains the end area 24 with the grounding tip 20 of the tongue 21. As FIG. 3 shows, the tip 20 is bent out of the plane to the leg 15 in the direction of the second leg.
  • FIGS. 6 to 9 illustrated embodiment of the cage 3 are on each Long side of the flat original part of Figure 9 in the Area of the later legs on one long side tongue 27 extending in the longitudinal direction, which in the formation by appropriate bending of the Leg remains in the plane of the first leg 15, as clearly shown in FIG. 7.
  • the end of that tongue 27 is bent in the direction of the second leg 16 and forms the grounding tip 20, which in the assembled state the coating on the surface 7 of the Fastening part 6 when tightening the screw penetrates.
  • the inventive described in the foregoing Cage nut has many advantages. It allows one Pre-assembly on the fastening part, especially one Profile rail, in the same way as with a mother without grounding.
  • the fastener and the counterpart can lie flat on top of each other.
  • the earth tips or claws get one over the contact surface of the mother direct direction of force to penetrate the insulating Coating of the fastening part.

Landscapes

  • Elimination Of Static Electricity (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
EP01402891A 2000-11-10 2001-11-09 Mise à la terre avec liaison vis-écrou à cage d'un composant sur pièce couverte d'une couche isolante Expired - Lifetime EP1206003B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20019132U DE20019132U1 (de) 2000-11-10 2000-11-10 Erdungsvorrichtung mit einer Käfigmutter und einer Anzugsschraube zur Masseverbindung von Bauteilen an Befestigungsteilen mit nicht leitender Oberflächenbeschichtung
DE20019132U 2000-11-10

Publications (2)

Publication Number Publication Date
EP1206003A1 true EP1206003A1 (fr) 2002-05-15
EP1206003B1 EP1206003B1 (fr) 2012-06-27

Family

ID=7948674

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01402891A Expired - Lifetime EP1206003B1 (fr) 2000-11-10 2001-11-09 Mise à la terre avec liaison vis-écrou à cage d'un composant sur pièce couverte d'une couche isolante

Country Status (2)

Country Link
EP (1) EP1206003B1 (fr)
DE (1) DE20019132U1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2213328A (en) * 1987-12-03 1989-08-09 Loh Kg Rittal Werk Earthing device
DE8913759U1 (de) * 1989-11-21 1991-03-28 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Vorrichtung für die Masse-Kontaktierung einer Fahrzeug-Tankeinrichtung
DE4211923C1 (fr) * 1992-04-09 1993-07-29 Schroff Gmbh, 7541 Straubenhardt, De
DE19525881C1 (de) * 1995-07-15 1996-07-25 Loh Kg Rittal Werk Halter für die Rückwand eines Schaltschrankes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3714500C1 (de) * 1987-04-30 1988-08-11 Loh Kg Rittal Werk Vorrichtung zum elektrisch leitenden Verbinden von zwei Bauteilen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2213328A (en) * 1987-12-03 1989-08-09 Loh Kg Rittal Werk Earthing device
DE8913759U1 (de) * 1989-11-21 1991-03-28 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Vorrichtung für die Masse-Kontaktierung einer Fahrzeug-Tankeinrichtung
DE4211923C1 (fr) * 1992-04-09 1993-07-29 Schroff Gmbh, 7541 Straubenhardt, De
DE19525881C1 (de) * 1995-07-15 1996-07-25 Loh Kg Rittal Werk Halter für die Rückwand eines Schaltschrankes

Also Published As

Publication number Publication date
DE20019132U1 (de) 2001-01-11
EP1206003B1 (fr) 2012-06-27

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