EP0975070B1 - Kohlebürstenhalteranordnung - Google Patents
Kohlebürstenhalteranordnung Download PDFInfo
- Publication number
- EP0975070B1 EP0975070B1 EP99114095A EP99114095A EP0975070B1 EP 0975070 B1 EP0975070 B1 EP 0975070B1 EP 99114095 A EP99114095 A EP 99114095A EP 99114095 A EP99114095 A EP 99114095A EP 0975070 B1 EP0975070 B1 EP 0975070B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- carbon brush
- holder
- spring element
- spring
- 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 - Lifetime
Links
Images
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
- H01R39/40—Brush holders enabling brush movement within holder during current collection
Definitions
- the invention relates to a holder for a carbon brush, in particular determined for electric motors and generators, comprising a preferably cuboidal Carbon brush axially displaceable receiving housing with to be penetrated by the carbon brush frontal opening, arranged in the housing, on the carbon brush acting spring element, the rear side associated with a first retaining element is, and one of a bulge having a housing wall outgoing ins Interior of the housing at least partially projecting and bendable around a bending line second retaining element restraining the spring element, which extends in the direction of the rear side of the housing extends.
- the invention relates to a method for equipping a Holder with a spring element and a carbon brush, in particular for use in Electric motors or generators determined, the holder is preferably a cuboid the carbon brush axially displaceable receiving housing with the carbon brush to penetrating frontal opening and acting on the carbon brush spring element has, the housing rear side a first retaining element and in the frontal area second retaining element are assigned, in turn, by at least one of a Sidewall of the housing outgoing and hineinbiegbares in this around a bending line Element like flag or web is formed.
- a holder of the type mentioned is the FR-A-2 738 407 can be seen.
- there has a holding element restraining a spring element a plurality of folds or developments on and extends in sections outside the carbon brush holder so that the risk of uncontrolled or unintentional bending of the retaining element with the consequence is given that the retaining spring element is released.
- the US-A-3,955,113 is a carbon brush holder can be seen in the back Area of the holder a first remind bacheloreelement and in the front end area a second Holding element which extends at a distance from the end edge of the holder itself.
- the present invention is based on the problem of a holder and a method for further equipping such with a spring element and a carbon brush, on the one hand a simplification on the assembly side and on the other hand the possibility consists, the holder with the spring element detached from the carbon brush desired Feeding stations without, however, compared to commonly used Brackets changes in the internal geometry of the brackets are made which could possibly form undesirable current paths too should be omitted a weakening of the collector side edge of the bracket. Further should be ensured that an unwanted or Uncontrolled release of the spring element can not be done.
- the second retaining element forms a kind of barb against Uncontrolled sliding out of the spring element from the housing of the holder, wherein the Tip of the barb itself towards both the center of the case and its Rear side extends.
- the second retaining element is a flag or a cloth which may be weakened in the region of its bending line. This weakening can thereby be achieved that the bending line merges into recesses such as holes end. hereby is given the opportunity, the retaining element not only easily into the housing interior and bend to the back, but also when a carbon brush in the housing is to be introduced, the retaining element far back outward that the original cross-section of the housing remains essentially unchanged, so as to ensure is that in particular the free edge region of the retaining element is not undesirable small distance to a carbon brush introduced in the holder runs.
- the first housing-side extending retaining element is an integral part of the bracket itself and by parallel webs is formed, which in turn edge portions of the bulge having side walls are, which are also referred to as feathers.
- the second holding element is a collector-side edge of a the housing walls outgoing and over the edge projecting section is the preferably has the shape of a rectangular tongue.
- each section has a center or in the middle of the one bulge Housing wall goes out.
- the Section in the transition area between the edge of the housing wall and the section even by z. B. cutouts weakened.
- the section In the position in which a spring element is retained, the section extends in one Plane which is spanned by the collector side edges of the holder.
- the alternative solution is a trouble-free spring assembly and easy handling for final assembly without additional equipment possible without a weakening of the Housing walls, from which the spring element restraining sections, he follows; because the corresponding sections are above this wall.
- a method for assembling a holder with a spring element and a carbon brush previously described type is characterized in that after introduction of the spring element the second retaining element in the direction of both the housing center and the rear of the housing in is bent to a circumference that the spring element is retained that the Introduce the carbon brush first the spring element in the direction of the back of the housing and is displaced in the axial direction, that then the second retaining element after is bent outside such that the retaining element in or substantially in the plane the wall extends, from which the retaining element emanates, that continue the frontal Cover is covered to an extent that a Querschnit is available, the smaller than that of the spring element, and then the carbon brush in the holder is introduced.
- the bending of the retaining element takes place in the direction of the center of the housing and whose rear side from the outside of the corresponding the retaining element as an integral Component having wall and the bending back of the retaining element from the inside of the housing.
- FIGS. 1 to 5 are purely in principle different representations of a holder 10 for a carbon brush 12 is shown, in particular for electric motors and generators is determined.
- the holder 10 has a cuboid housing 14 in its longitudinal direction the carbon brush 12 is displaceable.
- the housing 14 has an end opening 16, which - as the Fig. 5 illustrates - is enforced by the carbon brush 12.
- the housing 14 further includes a rear opening 18, two of which are parallel mutually extending webs 20, 22 is partially covered.
- the webs 20, 22 are Sections of side walls 24, 26 of the housing 14.
- the side walls 24, 26th each go into planar and mutually parallel upper and lower walls 28, 30 over. From the upper and lower walls 28, 30 of the housing 14 outgoing adjacent Sections 32, 34 and 36, 38 of the side walls 24, 26 extend perpendicular to from the walls 28 and 30 and laterally define housing interior region 35, 37, within which and in the space 39 between them, the carbon brush 12 extends.
- the Side walls 24, 26 are bulged outside the parallel sections 32, 34, 36, 38, form so-called spring tongues 40, 42, to a coil spring 44 axially in the housing slidably arranged, which acts on the carbon brush 12.
- the housing 14 of the holder 10 is a stamped part, which by folding and stretching the Federbäuche 40, 42 and then joining dovetail-shaped interlocking Sections joined in the region of the top or bottom wall 28, 30 becomes.
- FIG. 2 also illustrates that the aligned in the edge portions 32, 34 and 36, 38 connecting webs 22, 24 have a planar extension, which is parallel to the longitudinal axis of the housing 10.
- the webs 20, 22 form first rear-side retaining elements for the spring element 41 and can thus be referred to as the first spring brakes.
- the function of a spring brake exerts when the carbon brush itself in the housing is fixed, go from the spring tubes 40, 42, that is from the side walls 24, 26 of the Housing 14 in the housing interior bendable tabs or flags 48, 50, respectively, to a bending line 52, 53 are bendable, which is perpendicular to the housing longitudinal axis.
- the cutouts 48, 50, which form the second spring brake, run in the embodiment completely within the respective side wall 24, 26 and the spring belly 40, 42, whereby a weakening of the frontal edge 54 of the side walls 24, 26 is omitted.
- the tabs 48, 50 are cut out of the sidewalls 24, 26 such that the bending line 52, 53 at the front side and the bendable section 48, 50 at the rear of the housing, as is illustrated by the Fig. 2. This gives you the opportunity to Action on the tabs or cutouts 48, 50 from the exterior of the side wall 24, 26 starting (arrows 54, 56) by means of, for example, a tool a force on the cutouts 48, 50 to act, whereby they are bendable inwards, as shown in FIGS. 3 shows.
- the invention provides that the Spring brakes, d. H. the forming these flags or sections 48, 50 prior to introduction the carbon brush 12 in the direction of the side wall 24, 26 and the spring tongues 40, 42 after be bent on the outside, so that a curve of the sections 48, 50 results, the corresponds to the original state in which the sections 48, 50 in the from the side walls Run 24, 26 or the spring tubes 40, 42 spanned levels.
- a tool 62 in the housing 14th introduced, which a cuboid front portion 64 and a cylindrical rear section 66 has.
- the cuboid portion 64 corresponds to the cross section of the housing 14 between the top and bottom forming the upper and bottom wall 28, 30 as well as the side wall sections 32, 34 emanating therefrom. 36, 38, so the geometry of the inner space 35, 37, 39 of the housing 14 is adjusted.
- the cylindrical portion 66 is the internal geometry of the housing 14 in the region of Federbauchwandungen 40, 42 adapted.
- the cuboid portion 64 first detects the spring element 41 in the area between the sections 32, 34, 36, 38 of the side walls 24, 26, so that in the axial Insertion of the tool 42, the spring element 41 is compressed in the direction of the back becomes.
- the cylindrical portion 64 of the tool 62 acts from Inside the housing 14 on the cutouts 48, 50, with the result that these in the direction of Federbäuche 40, 42 are bent outwards to take an end position, such as this is the Fig. 5 can be seen.
- slide elements 68, 70 are provided, which in a corresponding extent Close the frontal opening 16. Subsequently, between the between the Slider elements 68, 70 released gap the carbon brush 12 are introduced, which to the area 35, 37 between the sections 32, 36 and 34, 38 of the side walls 24, 26 hineinerstreckt, so that accordingly during insertion of the carbon brush the spring element 41 is taken.
- FIGS. 6 to 8 show an alternative embodiment of a carbon brush holder 74 represented, consisting of a cuboid housing with parallel to each other Side walls 76, 78 on the one hand and side walls 80, 82 on the other hand, wherein the latter so-called spring braces 84, 86 have to be within the holder 74 and on an unillustrated carbon brush acting spring element 88 to move axially can.
- spring braces 84, 86 have to be within the holder 74 and on an unillustrated carbon brush acting spring element 88 to move axially can.
- the holder 74 has on the back first formed as webs 90 spring retaining elements, which may have a course or a geometry, such as the webs 20, 22 of the holder 10.
- Collector side the walls 80, 82 on the collector side edge 92, 94th projecting tongue-shaped portions 96, 98 which, together with the walls 76, 78, 80, 82 are punched out as a unit.
- the tongues or sections 96, 98 are mentioned over the collector-side longitudinal edges 92, 94, so that the side walls 80, 82 and the feathers 84, 86 are not weakened in this area.
- Tongues 96, 98 To the tongues 96, 98 after introduction of the coil spring 88 to each other to bend and thus, to form a retention or spring brake for the spring element 88, are the Tongues 96, 98 in the transition region to the collector-side edges 92, 94 by notches 100, 102 weakened, as illustrated by FIG. 7.
- the tongues 96, 98 are bent toward one another in such a way that these are preferred in a plane which is spanned by the collector-side edges 92, 94, in optionally also the walls 76, 78 with their collector-side edges 104, 106th run.
Landscapes
- Motor Or Generator Current Collectors (AREA)
- Pens And Brushes (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Description
- Fig. 1
- eine Kohlebürstenhalterung in Vorderansicht und vergrößerter Darstellung,
- Fig. 2
- eine der Fig. 1 entsprechende Kohlebürstenhalterung in Seitenansicht,
- Fig. 3
- einen Längsschnitt der Kohlebürstenhalterung gemäß Fig. 2, um 90° gedreht, mit zugeordnetem Werkzeug,
- Fig. 4
- das Werkzeug gemäß Fig. 3 in Vorderansicht,
- Fig. 5
- einen der Fig. 3 entsprechenden Längsschnitt mit in die Kohlebürstenhalterung eingebrachter Kohlebürste,
- Fig. 6
- eine Ansicht einer alternativen Ausführungsform einer Kohlebürstenhalterung in Richtung deren Federbauch,
- Fig. 7
- eine Detaildarstellung vom Randbereich der Kohlebürstenhalterung nach Fig. 6 und
- Fig. 8
- eine perspektivische Darstellung der den Fig. 6 und 7 entsprechenden Ausführungsform einer Kohlebürstenhalterung.
Claims (13)
- Halterung (10) für eine Kohlebürste (12), insbesondere bestimmt für Elektromotoren und Generatoren, umfassend ein vorzugsweise quaderförmiges, die Kohlebürste axial verschiebbar aufnehmendes Gehäuse (14) mit von der Kohlebürste zu durchsetzender stirnseitiger Öffnung (16), ein in dem Gehäuse angeordnetes, auf die Kohlebürste einwirkendes Federelement (41), dem gehäuserückseitig ein erstes Rückhalteelement (20, 22) zugeordnet ist, sowie ein von einer eine Ausbuchtung aufweisenden Gehäusewandung ausgehendes ins Innere des Gehäuses zumindest abschnittsweise ragendes und um eine Biegelinie biegbares zweites das Federelement zurückhaltendes Halteelement, das sich in Richtung der Gehäuserückseite erstreckt,
dadurch gekennzeichnet, dass das zweite Halteelement (48, 50) im stirnseitigen Bereich des Gehäuses (14) verläuft und ein aus der die Ausbuchtung (40, 42) aufweisenden Gehäusewandung freigeschnittener oder -gestanzter im Wesentlichen in einer Ebene verlaufender Abschnitt ist, der bei das Federelement (41) haltender Position vollständig innerhalb des Gehäuses verläuft, wobei das zweite Halteelement mit seinem zu dessen Biegelinie (52, 53) entfernt liegenden Rand (58, 60) mit dem Federelement wechselwirkt. - Halterung (10) für eine Kohlebürste (12) nach Anspruch 1,
dadurch gekennzeichnet, dass das zweite Rückhalteelement (48, 50) eine Fahne oder ein Lappen ist. - Halterung (10) für eine Kohlebürste (12) nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass der das zweite Halteelement bildende zweite Abschnitt (48, 50) im Bereich seiner Biegelinie (52, 53) geschwächt ist, wobei insbesondere die Biegelinie in ihren Enden in vorzugsweise kreisförmige Aussparungen wie Löcher (55, 57) übergeht. - Halterung (10) nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass bei in das Innhere des Gehäuses (14) und dessen Rückseite sich erstreckendem zweiten Halteelement (48, 50) dieses mit der Wandung (40, 42), aus dem das Rückhalteelement freigeschnitten ist, einen spitzen Winkel einschließt, betrachtet in Richtung der Gehäuserückseite. - Halterung (10) nach zumindest einem der vorhergehenden Ansprüche
dadurch gekennzeichnet, dass von gegenüberliegenden Wandungen (40, 42), insbesondere Ausbuchtungen aufweisenden Wandungen jeweils ein zweites Halteelement (48, 50) ausgeht. - Halterung (10) nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass bei in dem Gehäuse (14) eingebrachter Kohlebürste (14) das zweite Halteelement (48, 50) mit seinem zur Biegelinie (52, 53) entfernt liegenden freien Rand (58, 40) in oder in etwa einer Ebene liegt, die von der Seitenwandung (40, 42) aufgespannt ist, von der das zweite Halteelement (48, 50) ausgeht. - Halterung (10) nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass das erste Halteelement (20, 22) integral mit dem Gehäuse (14) und vorzugsweise als zwei parallel zueinander verlaufende Stege (20, 22) ausgebildet ist, wobei insbesondere die Stege Abschnitte der Seitenwandungen (24, 26) sind. - Halterung (74) für eine Kohlebürste, insbesondere bestimmt für Elektromotoren und Generatoren, umfassend ein vorzugsweise quaderförmiges, die Kohlebürste axial verschiebbar aufnehmendes Gehäuse mit von der Kohlebürste zu durchsetzender stirnseitiger Öffnung, ein in dem Gehäuse angeordnetes, auf die Kohlebürste einwirkendes Federelement (88), dem gehäuserückseitig ein erstes Rückhalteelement (90) zugeordnet ist, sowie ein im stirnseitigen Bereich angeordnetes von zumindest einer Gehäusewandung (80, 82), insbesondere einer eine Ausbuchtung (84, 86) aufweisende Gehäusewandung ausgehendes ins Innere des Gehäuses ragendes und um eine Biegelinie biegbares zweites das Federelement zurückhaltendes Halteelement (96, 98),
dadurch gekennzeichnet, dass das zweite Halteelement (96, 98) ein vom kollektorseitig verlaufenden Rand (92, 94) einer der Gehäusewandungen (80, 82) ausgehender und über den Rand vorstehender Abschnitt ist. - Halterung nach Anspruch 8,
dadurch gekennzeichnet, dass der Abschnitt (96, 98) eine rechteckförmige Zungenform aufweist. - Halterung nach Anspruch 8 oder 9,
dadurch gekennzeichnet, dass jeweils ein Abschnitt (96, 98) mittig oder im Wesentlichen mittig von der eine Ausbuchtung (84, 86) aufweisenden Gehäusewandung (80, 82) ausgeht, wobei insbesondere der Abschnitt gehäusewandrandseitig geschwächt ist. - Halterung nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass der Abschnitt (96, 98) bei das Federelement (98) zurückhaltender Position in einer Ebene verläuft, die von kollektorseitig verlaufenden Rändern (92, 94) der Halterung (74) aufgespannt ist. - Verfahren zur Bestückung einer Halterung mit einem Federelement und einer Kohlebürste, insbesondere zu einem Einsatz in Elektromotoren oder Generatoren bestimmt, wobei die Halterung ein vorzugsweise quaderförmiges die Kohlebürste axial verschiebbar aufnehmendes Gehäuse mit von der Kohlebürste zu durchsetzender stirnseitiger Öffnung sowie das auf die Kohlebürste einwirkende Federelement aufweist, dem gehäuserückseitig ein erstes Rückhalteelement und im stirnseitigen Bereich ein zweites Rückhalteelement zugeordnet sind, das seinerseits durch zumindest ein von einer Seitenwand des Gehäuses ausgehendes und in dieses um eine Biegelinie hineinbiegbares Element wie Fahne oder Steg gebildet wird,
dadurch gekennzeichnet, dass nach Einbringen des Federelementes das zweite Rückhalteelement in Richtung sowohl Gehäusemitte als auch Gehäuserückseite in einem Umfang verbogen wird, dass das Federelement zurückgehalten wird, dass zum Einbringen der Kohlebürste zunächst das Federelement in Richtung der Rückseite des Gehäuses und in axialer Richtung verschoben wird, dass sodann das zweite Rückhalteelement nach außen derart gebogen wird, dass das Rückhalteelement in oder im Wesentlichen in der Ebene der Wandung verläuft, von der das Rückhalteelement ausgeht, dass weiterhin die stirnseitige Öffnung in einem Umfang abgedeckt wird, dass ein Querschnite zur Verfügung steht, der kleiner als der des Federelementes ist, und dass anschließend die Kohlebürste in die Halterung eingebracht wird. - Verfahren nach Anspruch 12,
dadurch gekennzeichnet, dass das Verbiegen des Halteelementes in Richtung der Mitte des Gehäuses und dessen Rückseite von außen aus der entsprechenden das Rückhalteelement als integralen Bestandteil aufweisenden Wandung und beim Zurückbiegen des Halteelementes vom Inneren des Gehäuses aus erfolgt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI9930750T SI0975070T1 (en) | 1998-07-21 | 1999-07-20 | Carbon brush holder arrangement |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19832618A DE19832618C2 (de) | 1998-07-21 | 1998-07-21 | Halterung für eine Kohlebürste sowie Verfahren zur Bestückung einer Halterung mit einem Federelement und einer Kohlebürste |
DE19832618 | 1998-07-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0975070A2 EP0975070A2 (de) | 2000-01-26 |
EP0975070A3 EP0975070A3 (de) | 2001-01-31 |
EP0975070B1 true EP0975070B1 (de) | 2005-01-26 |
Family
ID=7874704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99114095A Expired - Lifetime EP0975070B1 (de) | 1998-07-21 | 1999-07-20 | Kohlebürstenhalteranordnung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0975070B1 (de) |
AT (1) | ATE288142T1 (de) |
DE (2) | DE19832618C2 (de) |
SI (1) | SI0975070T1 (de) |
TR (1) | TR199901737A2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008012086A1 (de) * | 2008-02-29 | 2009-09-03 | Franz-Josef Höppe GmbH | Verfahren und Vorrichtung zum Bestücken eines Kohlebürstenschachts mit mindestens einer Druckfeder |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3955113A (en) * | 1974-11-27 | 1976-05-04 | General Signal Corporation | Brush holder with means for limiting travel of brush spring |
FR2454201A1 (fr) * | 1979-04-11 | 1980-11-07 | Cem Comp Electro Mec | Porte-balai pour machines electriques tournantes |
DE3627491C3 (de) * | 1986-08-13 | 1994-11-24 | Schunk Motorensysteme | Halterung für eine Schleifkohle |
DE4241401A1 (de) * | 1992-12-09 | 1994-06-16 | Philippine Tech Kunststoff | Verfahren zur Herstellung eines Verkleidungselementes und danach hergestelltes Verkleidungselement |
FR2738407B1 (fr) * | 1995-06-27 | 1997-09-26 | Paul Legras | Guide charbon de moteur |
-
1998
- 1998-07-21 DE DE19832618A patent/DE19832618C2/de not_active Expired - Fee Related
-
1999
- 1999-07-20 AT AT99114095T patent/ATE288142T1/de not_active IP Right Cessation
- 1999-07-20 EP EP99114095A patent/EP0975070B1/de not_active Expired - Lifetime
- 1999-07-20 DE DE59911515T patent/DE59911515D1/de not_active Expired - Fee Related
- 1999-07-20 SI SI9930750T patent/SI0975070T1/xx unknown
- 1999-07-21 TR TR1999/01737A patent/TR199901737A2/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE59911515D1 (de) | 2005-03-03 |
EP0975070A2 (de) | 2000-01-26 |
TR199901737A3 (tr) | 2000-02-21 |
SI0975070T1 (en) | 2005-06-30 |
DE19832618A1 (de) | 2000-01-27 |
EP0975070A3 (de) | 2001-01-31 |
ATE288142T1 (de) | 2005-02-15 |
DE19832618C2 (de) | 2002-02-14 |
TR199901737A2 (xx) | 2000-02-21 |
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