EP0086386A1 - Dispositif de raccordement électrique pour un porte-balai électriquement conducteur, recevant un balai de carbone - Google Patents

Dispositif de raccordement électrique pour un porte-balai électriquement conducteur, recevant un balai de carbone Download PDF

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Publication number
EP0086386A1
EP0086386A1 EP83100880A EP83100880A EP0086386A1 EP 0086386 A1 EP0086386 A1 EP 0086386A1 EP 83100880 A EP83100880 A EP 83100880A EP 83100880 A EP83100880 A EP 83100880A EP 0086386 A1 EP0086386 A1 EP 0086386A1
Authority
EP
European Patent Office
Prior art keywords
guide shaft
brush
contact
brush sleeve
contact tab
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
EP83100880A
Other languages
German (de)
English (en)
Other versions
EP0086386B1 (fr
Inventor
Franz Heidl
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.)
Siemens AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Priority to AT83100880T priority Critical patent/ATE20793T1/de
Publication of EP0086386A1 publication Critical patent/EP0086386A1/fr
Application granted granted Critical
Publication of EP0086386B1 publication Critical patent/EP0086386B1/fr
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
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/38—Brush holders
    • H01R39/41—Brush holders cartridge type

Definitions

  • the invention relates to an electrical connection device for an electrically conductive brush sleeve receiving a carbon brush, to which the carbon brush is in turn connected in an electrically conductive manner, in which device the brush sleeve is also inserted into a guide shaft of a brush holder assigned to an electrical machine and connected to an electrical supply line Contact lug is in electrical connection.
  • connection device is known from DE-OS 17 63 023.
  • the contact lug is attached to the brush sleeve in a separate operation.
  • the brush sleeve itself is overmolded with plastic on the brush holder and held thereby.
  • the supply line is connected to the contact lug after assembly of the brush sleeve, this connection having to be made on the electrical machine in a confined space.
  • the invention has for its object to provide a connection device of the type described above so that attachment of the contact tab to the brush sleeve is no longer necessary.
  • the contact lug is inserted through an opening in the wall of the guide shaft and protrudes into the guide shaft at least to such an extent that the brush sleeve comes into contact with the contact lug when inserted into the guide shaft. So that with a such a termination device, the contact tab is connected to the feed line before it is inserted into the opening. There is no need to connect the contact lug to the brush sleeve in a separate operation, since the electrical connection is established automatically when the brush sleeve is inserted into the guide shaft.
  • a particularly secure electrical connection between the contact lug and the brush sleeve is achieved in that the contact lug protrudes so far into the guide shaft that it is bent over when the brush sleeve is inserted. The bending ensures that the contact tab is always pressed onto the brush sleeve.
  • a jamming of the brush sleeve during insertion into the guide shaft is prevented by the opening being followed by a receiving groove extending in the insertion direction of the brush sleeve, the depth of which relative to the guide surface of the relevant wall of the guide shaft is at most equal to the material thickness of the contact tab and its length is at least equal to the length of the bent part of the contact lug.
  • the contact lug lies in the receiving channel when it is bent over and thus does not narrow the cross section of the guide shaft.
  • connection device results in connection with a universal motor connected in series and inserted in a plastic housing in that the guide shafts are integrally formed on the front side of the plastic housing and the contact tabs are connected to the stator winding of the motor and on which the winding supports of the stator winding support axially are attached above and that the opening for pushing through the contact lug is provided in each case in the wall part of the plastic housing delimiting the guide shaft.
  • a brush sleeve 3 is inserted into a guide shaft 2 provided on a brush holder 1.
  • the brush sleeve 3 is held in the guide shaft 2 by latching tongues 6, which are bent out of the wall of the brush sleeve 3 and engage in a recess 7 provided in one wall of the guide shaft 2.
  • a carbon brush 4 which is pressed by a spring 8 against the collector 9 of an electrical machine.
  • the spring 8 is supported at its end opposite the carbon brush 4 on a projection 10 bent out of the wall of the brush sleeve 3.
  • the electrical connection of the carbon brush 4 to the brush sleeve 3 can take place via the spring 8 or a separate strand (not shown in the drawing), which is connected to the carbon brush 4 and the brush sleeve 3.
  • the power supply to the brush sleeve 3 takes place via a contact lug 13 which is inserted through an opening 12 provided in the wall 11 of the brush holder delimiting the guide shaft 2.
  • a feed line 14 is connected to this contact tab 13.
  • the end 15 of the contact tab 13 protruding into the guide shaft 2 is bent and lies in a receiving groove 16.
  • the contact tab 13 is straight in the original state, so that it can be easily inserted through the opening 12.
  • Fig. 2 With 17 the stator and 18 the rotor of a universal motor, which is installed in a plastic housing 19.
  • two guide shafts 2 are formed, in each of which a brush sleeve 3 is inserted.
  • the winding heads 20 of the stator winding are supported by winding supports 21 and 22, respectively.
  • Axially projecting contact lugs 23 are fastened to the winding carriers 22 arranged on the collector side of the motor.
  • an opening 25 is provided, through which the contact lug 23 connected to the winding carrier 22 is inserted. The contact lug 23 is pushed through the opening 25 when the stand 17 is inserted into the plastic housing 19.

Landscapes

  • Motor Or Generator Current Collectors (AREA)
  • Motor Or Generator Frames (AREA)
  • Brushes (AREA)
  • Electroluminescent Light Sources (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Luminescent Compositions (AREA)
EP83100880A 1982-02-11 1983-01-31 Dispositif de raccordement électrique pour un porte-balai électriquement conducteur, recevant un balai de carbone Expired EP0086386B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83100880T ATE20793T1 (de) 1982-02-11 1983-01-31 Elektrische anschlusseinrichtung fuer eine kohlebuerste aufnehmende elektrisch leitfaehige buerstenhuelse.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823204865 DE3204865A1 (de) 1982-02-11 1982-02-11 Elektrische anschlusseinrichtung fuer eine kohlebuerste aufnehmende elektrisch leitfaehige buerstenhuelse
DE3204865 1982-02-11

Publications (2)

Publication Number Publication Date
EP0086386A1 true EP0086386A1 (fr) 1983-08-24
EP0086386B1 EP0086386B1 (fr) 1986-07-16

Family

ID=6155450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83100880A Expired EP0086386B1 (fr) 1982-02-11 1983-01-31 Dispositif de raccordement électrique pour un porte-balai électriquement conducteur, recevant un balai de carbone

Country Status (6)

Country Link
EP (1) EP0086386B1 (fr)
AT (1) ATE20793T1 (fr)
DE (2) DE3204865A1 (fr)
DK (1) DK158427C (fr)
FI (1) FI72412C (fr)
NO (1) NO159224C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398610A2 (fr) * 1989-05-15 1990-11-22 Black & Decker Inc. Porte-balai pour un moteur électrique
WO2007044266A1 (fr) * 2005-10-13 2007-04-19 Cutsforth Products, Inc. Element souple pour ensemble porte-balai

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3736535A1 (de) * 1987-10-28 1989-05-18 Hoffmann Elektrokohle Schleifkontaktanordnung, insbesondere fuer eine kohlebuerste
DE4323413C2 (de) * 1993-07-13 1997-01-30 Atlanta Elektrosysteme Gmbh & Kontaktvorrichtung für eine Kohlebürste
DE19717594B4 (de) * 1997-04-25 2017-09-07 BSH Hausgeräte GmbH Bürstenanordnung an einer elektrischen Maschine
DE29719623U1 (de) * 1997-11-05 1997-12-18 Kaufmann GmbH, 41515 Grevenbroich Toranordnung für klimatisierte Bereiche
DE102014225225B4 (de) * 2014-12-09 2022-09-15 Robert Bosch Gmbh Elektrische Maschine mit einer Potentialausgleichsvorrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE668438C (de) * 1936-01-21 1938-12-03 Siemens Schuckertwerke Akt Ges Buerstenhalter fuer elektrische Maschinen
US2748301A (en) * 1953-07-21 1956-05-29 Lamb Electric Company Electric motor brush holder and frame adapted thereto
DE1233483B (de) * 1962-07-17 1967-02-02 Necchi Spa Buerstenhalter fuer eine elektrische Kollektormaschine
DE1928513A1 (de) * 1968-06-27 1970-02-12 Philips Nv Kohlebuerstenkonstruktion fuer eine elektrodynamische Maschine
DE1763023A1 (de) * 1968-03-23 1971-07-01 Siemens Ag Buerstenhuelse einer elektrischen Maschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE668438C (de) * 1936-01-21 1938-12-03 Siemens Schuckertwerke Akt Ges Buerstenhalter fuer elektrische Maschinen
US2748301A (en) * 1953-07-21 1956-05-29 Lamb Electric Company Electric motor brush holder and frame adapted thereto
DE1233483B (de) * 1962-07-17 1967-02-02 Necchi Spa Buerstenhalter fuer eine elektrische Kollektormaschine
DE1763023A1 (de) * 1968-03-23 1971-07-01 Siemens Ag Buerstenhuelse einer elektrischen Maschine
DE1928513A1 (de) * 1968-06-27 1970-02-12 Philips Nv Kohlebuerstenkonstruktion fuer eine elektrodynamische Maschine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398610A2 (fr) * 1989-05-15 1990-11-22 Black & Decker Inc. Porte-balai pour un moteur électrique
EP0398610A3 (fr) * 1989-05-15 1991-02-06 Black & Decker Inc. Porte-balai pour un moteur électrique
WO2007044266A1 (fr) * 2005-10-13 2007-04-19 Cutsforth Products, Inc. Element souple pour ensemble porte-balai
US7545072B2 (en) 2005-10-13 2009-06-09 Culsforth Products, Inc. Resilient member for a brush holder assembly
US7816834B2 (en) 2005-10-13 2010-10-19 Cutsforth Products, Inc. Resilient member for a brush holder assembly
AU2006302622B2 (en) * 2005-10-13 2010-10-28 Cutsforth, Inc. Resilient member for a brush holder assembly
US7960892B2 (en) 2005-10-13 2011-06-14 Cutsforth Products, Inc. Resilient member for a brush holder assembly

Also Published As

Publication number Publication date
EP0086386B1 (fr) 1986-07-16
DE3364455D1 (en) 1986-08-21
FI72412C (fi) 1987-05-11
DE3204865A1 (de) 1983-08-18
DK56383D0 (da) 1983-02-10
FI72412B (fi) 1987-01-30
DK158427B (da) 1990-05-14
DK56383A (da) 1983-08-12
NO823901L (no) 1983-08-12
FI824055A0 (fi) 1982-11-25
ATE20793T1 (de) 1986-08-15
FI824055L (fi) 1983-08-12
NO159224C (no) 1988-12-07
DK158427C (da) 1990-10-22
NO159224B (no) 1988-08-29

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