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WO1999005422A2 - Systeme de blocage pour empecher le vissage autonome d'une vis de raccordement - Google Patents

Systeme de blocage pour empecher le vissage autonome d'une vis de raccordement Download PDF

Info

Publication number
WO1999005422A2
WO1999005422A2 PCT/DE1998/001951 DE9801951W WO9905422A2 WO 1999005422 A2 WO1999005422 A2 WO 1999005422A2 DE 9801951 W DE9801951 W DE 9801951W WO 9905422 A2 WO9905422 A2 WO 9905422A2
Authority
WO
WIPO (PCT)
Prior art keywords
connection
ribs
connecting screw
screw
screwing
Prior art date
Application number
PCT/DE1998/001951
Other languages
German (de)
English (en)
Other versions
WO1999005422A3 (fr
Inventor
Georg Bollinger
Gerhard WÖSSNER
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP98943677A priority Critical patent/EP0998636A2/fr
Publication of WO1999005422A2 publication Critical patent/WO1999005422A2/fr
Publication of WO1999005422A3 publication Critical patent/WO1999005422A3/fr

Links

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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/302—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing loosening of screw or nut, e.g. vibration-proof connection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • 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
    • H01R4/305—Clamped connections, spring connections utilising a screw or nut clamping member having means for facilitating engagement of conductive member or for holding it in position

Definitions

  • the invention relates to a screw-in protection against independent screwing in of a connecting screw.
  • an electrical device e.g. a contactor with open connections, i.e. with unscrewed connection screws, delivered. Shock or vibration during transport can cause the connection screws to tighten themselves. This independent screwing in should be prevented.
  • Terminal screw are clamped. These are only possible if the switching or connecting piece is first installed and then the connecting screw is fed in one screwing direction. Ribs into which the thread cuts are unfavorable, since the thread cuts into the ribs the first time they are unscrewed and therefore the tightening torque is no longer increased to the required extent.
  • a connecting screw with a pin can be screwed in relatively far before the thread hits such ribs, which can only begin below the thread passage.
  • connection screws located relatively deep in the cover cap of an electrical device if screwing or unscrewing is only done with non-insulated screwdrivers, since the ribs or catches open the opening for the screwdriver too narrow.
  • the invention has for its object to provide an anti-twist device of the type mentioned above, which reliably prevents the screwing in independently when the connecting screw is unscrewed, which enables the complete connection comprising the contact piece and the connecting screw to be inserted and which does not damage the connecting screw when unscrewing.
  • the object is achieved in that two resilient ribs are provided in the form of a fork, which is aligned so that it receives the connecting screw centrally in its opening.
  • the fork is advantageously designed in such a way that it opens in a scissor shape when a complete connection consisting of the connecting screw and a connecting piece is installed. It is also advantageous if the spacing of the ribs from one another is smaller than the thread core diameter or the pin diameter of a connecting screw with pin.
  • FIG. 1 shows a perspective view of a connector inserted into a connector bed with the connector screw unscrewed
  • FIG. 2 shows a sectional view of the connection according to FIG. 1
  • FIG. 3 shows a bottom view of the connection according to FIGS. 1 and 2
  • FIG. 4 shows a perspective view of a connection inserted into a connection bed with a screwed connection screw
  • FIGS. 4 and 6 show a bottom view of the connection according to FIGS. 4 and 5.
  • FIG. 1 shows a perspective sectional view of a connection consisting of a connection piece 1 and a connection screw 2, which is inserted into a connection bed 3 of an electrical device, for example a contactor.
  • a fork is formed from two resilient ribs 4 in the connecting bed 3, which protrude in the opposite direction to the mounting direction of the connecting screw 2 according to arrow 5.
  • the screwed here, designed as a combination screw 2 with a pin 6 is located with the pin 6 on the ribs 4 and is thereby prevented from independently turning. In order to ensure this, the spacing of the ribs 4 from one another is smaller than the pin diameter or the thread core diameter in the case of a connecting screw 2 without pin 6.
  • Figure 2 shows the connection bed 3 with inserted connection and unscrewed combination screw 2 in a side sectional view.
  • FIG. 1 An associated bottom view is shown in FIG. 1
  • Figures 4, 5 and 6 show the connection inserted in the connection bed 3 with the screwed-in combination screw 2 in different representations.
  • the fork with the two resilient ribs 4 opens in a scissor-like manner so that the ribs 4 are not damaged.
  • the fork is aligned so that it receives the connecting screw 2 in the center of its opening. It is particularly advantageous if the two ribs 4 cover more than half the screw diameter.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Dowels (AREA)
  • Transmission Devices (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

L'invention concerne un système de blocage pour empêcher le vissage autonome d'une vis de raccordement, ledit système se présentant sous la forme d'une fourche comprenant deux nervures (4) qui sont intégrées dans la base de raccordement (3) et orientées de façon à recevoir de façon centrale, dans leur ouverture, la vis de raccordement (2) d'un raccord enfichable.
PCT/DE1998/001951 1997-07-24 1998-07-13 Systeme de blocage pour empecher le vissage autonome d'une vis de raccordement WO1999005422A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP98943677A EP0998636A2 (fr) 1997-07-24 1998-07-13 Systeme de blocage pour empecher le vissage autonome d'une vis de raccordement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29713205U DE29713205U1 (de) 1997-07-24 1997-07-24 Eindrehsicherung gegen selbständiges Eindrehen einer Anschlußschraube
DE29713205.9 1997-07-24

Publications (2)

Publication Number Publication Date
WO1999005422A2 true WO1999005422A2 (fr) 1999-02-04
WO1999005422A3 WO1999005422A3 (fr) 1999-04-08

Family

ID=8043648

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1998/001951 WO1999005422A2 (fr) 1997-07-24 1998-07-13 Systeme de blocage pour empecher le vissage autonome d'une vis de raccordement

Country Status (4)

Country Link
EP (1) EP0998636A2 (fr)
CN (1) CN1265177A (fr)
DE (1) DE29713205U1 (fr)
WO (1) WO1999005422A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010100125A1 (fr) * 2009-03-03 2010-09-10 Abb Technology Ag Module électrique doté d'un dispositif de fixation
DE102009024867B4 (de) * 2009-06-09 2013-03-28 Abb Ag Installationsschaltgerät mit Klemmenabdeckteil

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3011820A1 (de) * 1980-03-27 1981-10-01 Brown, Boveri & Cie Ag, 6800 Mannheim Gegen selbstaendiges verdrehen einer schraube gesicherte schraubenverbindung
FR2630263B1 (fr) * 1988-04-15 1991-12-27 Telemecanique Electrique Borne de raccordement electrique a vis freinee
DE3814529A1 (de) * 1988-04-29 1989-11-09 Bosch Gmbh Robert Verdrehsicherung fuer stellschrauben vorzugsweise an kraftstoffeinspritzanlagen fuer brennkraftmaschinen
DE4007111C2 (de) * 1990-03-07 1996-12-12 Vdo Schindling Schalteinrichtung
YU48110B (sh) * 1990-05-02 1997-03-07 Naimer Hubert Laurenc Vijčana spojnica
JP2725519B2 (ja) * 1991-10-01 1998-03-11 三菱電機株式会社 端子台
US5228867A (en) * 1991-12-06 1993-07-20 The Whitaker Corporation Electrical connector bolt fastening device

Also Published As

Publication number Publication date
CN1265177A (zh) 2000-08-30
DE29713205U1 (de) 1997-09-25
EP0998636A2 (fr) 2000-05-10
WO1999005422A3 (fr) 1999-04-08

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