CN101010853A - Brush holder, preferably for a carbon brush - Google Patents

Brush holder, preferably for a carbon brush Download PDF

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Publication number
CN101010853A
CN101010853A CNA2005800286987A CN200580028698A CN101010853A CN 101010853 A CN101010853 A CN 101010853A CN A2005800286987 A CNA2005800286987 A CN A2005800286987A CN 200580028698 A CN200580028698 A CN 200580028698A CN 101010853 A CN101010853 A CN 101010853A
Authority
CN
China
Prior art keywords
brush
brush holder
bearing
support
motor
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
CNA2005800286987A
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Chinese (zh)
Other versions
CN101010853B (en
Inventor
E·毛雷尔
M·海德里希
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN101010853A publication Critical patent/CN101010853A/en
Application granted granted Critical
Publication of CN101010853B publication Critical patent/CN101010853B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00Rotary current collectors, distributors or interrupters
    • H01R39/02Details for dynamo electric machines
    • H01R39/38Brush holders
    • H01R39/41Brush holders cartridge type
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/14Means for supporting or protecting brushes or brush holders
    • H02K5/143Means for supporting or protecting brushes or brush holders for cooperation with commutators
    • H02K5/148Slidably supported brushes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00Rotary current collectors, distributors or interrupters
    • H01R39/02Details for dynamo electric machines
    • H01R39/38Brush holders
    • H01R39/385Means for mechanical fixation of the brush holder

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention relates to a brush holder (24), preferably for a brush (22). Said holder comprises at least one retaining element (94), in which at least one brush (22) is held in a displaceable manner and a support (96), which carries the retaining element or elements (94) and fixes the brush holder (24) to the electric machine (10). The shape of the brush holder (24) is essentially a circular segment, thus permitting the construction of motors with different poles using only one type of brush holder.

Description

Be preferred for the brush holder of carbon brush
Background technology
The present invention relates to that a kind of it has at least one support according to claim 1 brush holder that is preferred for carbon brush as described in the preamble, in this support, held at least one brush movably; Also have a bearing, this seat supports described at least one support, and is fixed on the motor.Described brush holder is only designed for the motor with fixing number of poles.
Summary of the invention
In contrast, the brush holder that is preferred for carbon brush that has the described feature of claim 1 by the present invention has the following advantages, described brush holder is fit to the single brush holder of the single in other words brush cover of single brush (B ü rstenk  cher), because it has fan-shaped basically shape.This has realized constructing with a kind of brush holder only the motor of different numbers of poles.That is to say, such as assembling the motor of the two poles of the earth, four utmost points or sextupole with two, four or six such parts.Just only need the structure single part and just be enough to make complete motor by repeatedly using.Make bearing have the shape of arc section basically, and support is arranged in this circular arc, simplify with this.
Another advantage of single brush holder is that its volume is little, and the mould of comparing brush holder thus with traditional brush bearing seat body is also very little.On the die surface of similar size, each mould is ejected more brush plate; As long as utilize existing surface better.Although each motor must use at least two brush holders.The zone of reserving in the traditional electrical brush board that is used for rectifier also can be used now simultaneously.However three requirements that begin to be mentioned still can be satisfied.
Construct on bearing prejudicially at the initial position of support, and favour the radius of circular arc, realizes " passive brush (geschleppte B ü rste) " by simple mode thus.
Bearing has two fan-shaped walls, they have surrounded a groove respectively on each of two end faces, wherein two grooves flush each other, and the base plate that is connected these two walls is at least in part separated, just formed standing part thus, thereby brush holder just can be fixed on the motor shell easily.Groove is continuous on the edge of bearing, and is not separated by base plate, and brush holder just can deeper insert in the space of motor shell thus.
In addition, the radius of two fan-shaped walls is preferably corresponding with the radius of the housing wall of the motor that will install.
It is better fixing to carry out to be provided with the space that constitutes spring-latch on wall, the wherein preferred commutator segment that structure faces with each other on wall, and it has formed the contraction position.
Support is supported by the pillar of bearing, and its B-C post begins on bearing prejudicially, and is connected with the end of support, can save material thus, in other words can be in intermediate gaps clamping component, wherein brush holder still keeps mechanically stable.
Brush holder also has the advantage of symmetrical configuration on the function.As long as with brush holder, just have the brush plate of metal carbon cover and " passive " brush and spring in case of necessity and locate to fit together at each carbon cross section (Kohlequerschnitt).The brush bearing only needs according to a kind of rotation direction assembling.By in symmetrical plane around rotation Rotate 180 degree, just can be installed to motor shell or pole shoe or bearing cap to it in other words in the bearing bracket, can realize thereby two breeds of horses reaches rotation direction.Brush holder has two end faces, has at least one support that wherein holds at least one brush movably and a bearing.This seat supports support and is had standing part, and brush holder is fixed on the motor with this standing part, and wherein standing part is so constructed on two end faces of bearing, makes two end faces of bearing to be fixed on the motor.
A symmetrical plane preferably extends between the standing part of two end faces, because can obtain a kind of simple design like this.Preferred this symmetrical plane extends along the direction of motion of brush at least one support, because thus, always moves symmetrically with standing part at the different brush of length that extends axially of brush holder.
Preferably a kind of U-shaped block set that is used for the brush cover of support.So just can easily make support, and the brush cover can be equipped easily also.Preferred improvement project is that the brush cover is set, because have only the motor that could realize having very high power with the brush cover.
In a kind of preferred improvement project, at least two couple positioned opposite of support spring-latch be used for the damping of brush cover, abut in brush to the preferred tensioning of spring-latch and put.Can reduce noise thus.
The described brush holder that has at least one brush and/or have at least one brush that is provided with brush cover has been realized a kind of combiner in simple mode.
Utilize a kind of motor, preferably utilize a kind of commutator motor with one or more described brush holder can easily realize a kind of combiner, wherein brush holder is fixed on the end face of electric machine casing.
Other advantage and favourable improvement project obtain in dependent claims and specification.
Description of drawings
Two kinds of embodiment shown in the drawings explain in more detail to these two kinds of embodiment in the following description.Accompanying drawing illustrates:
Fig. 1 is the vertical section of a motor;
Fig. 2 is the perspective view that is in two single brush holders of first installation site in the housing of Fig. 1 motor;
Fig. 3 is the perspective view that is in the single brush holder of second installation site in the housing of Fig. 1 motor;
Fig. 4 is the single brush holder that does not have housing and brush by Fig. 2;
Fig. 5 is the view of seeing from above by the single brush holder of Fig. 2;
Fig. 6 is the view of seeing from below by the single brush holder of Fig. 2.
Embodiment
In Fig. 1, simply show the part of a motor 10 with sectional side elevation.What this motor related in this embodiment is a kind of DC motor that has brush, also is commutator motor, and it preferentially uses in the fan drive mechanism of automobile.But it also can use other purposes in for example glass regulator, wind screen wiper drive, seat adjuster or automobile.But also can relate to a kind of generator here.Motor 10 preferably has only a rotation direction, so it meets the regulation of already mentioned fan drive mechanism especially.Because of low noise, motor 10 also is best suited for fan drive mechanism simultaneously.
Under the situation that relates to a kind of DC motor that has a brush, in motor 10, on axle, be provided with a rectifier.A collector ring is set in that the situation that relates to a kind of generator is next.But in both of these case, all relate to a kind of contact element of preferred rotation.
Motor 10 comprises a housing 12, and especially a pole shoe also comprises an armature 14 that is arranged in this housing.Armature 14 has an axle 16 and an armature core 17 that has the armature winding that is not shown specifically.The cover of armature winding by lead 18 and rectifier 20 colludes and links to each other.Rectifier 20 on circumference by two carbon brush that are in the diametrically contraposition side in other words brush 22 load.Brush 22 is arranged on two brush holders 24, and this brush holder is as the plastic injection piece manufacturing.Rectifier 20, brush 22 and brush holder 24 have been formed rectification mechanism 26.Brush holder 24 preferably keeps being fixed in other words on the housing 12 by a lid 28.Lid 28 also can be bearing cap or bearing bracket.Brush holder 24 also can be packed in bearing cap or the bearing bracket.
In Fig. 2 to 6, illustrated two be contained in motor 10 housings 12, do not have armature 14, rectifier 20 and cover 28 brush holder 24.Brush holder 24 has fan shape basically, and is fixed on the end face 29 of motor 10 housings 12.Brush holder 24 inserts in the space 92 on housings 12 end faces 29 with standing part 90 for this reason, and is maintained by lid 28.
Brush holder 25 has two end faces 30,32 respectively.They comprise the support 94 of a preferred U-shaped respectively, and this support 94 has 94.2, one brushes 22 of a sidewall 94.1 and a bottom and is contained in movingly in this support on its brush cover 38.Brush cover 38 can construct, produce and fixing like that as for example disclosed in EP 691047 or US 5,696,418, quotes the disclosure of above-mentioned file here.Brush holder 24 has the bearing 96 of an arc section shape respectively in addition.This bearing 96 is supporting support 94, and has the standing part of two fan-shaped wall 98,100 forms, and brush holder 24 is fixed on the motor 10 with this standing part.Wall 98,100 is constructed on two end faces 30,32 of bearing 96, thus bearing 96 in other words two end faces 30,32 of brush holder 24 can be fixed on the motor 10.
Wall 98,100 extensions parallel to each other, its mesospore 98 extends in inside, and wall 100 externally extends, and each in two end faces 30,32 has surrounded an axially extended groove 102,104 respectively.Two grooves 102,104 align mutually, and separate by the base plate 106 that connects these two walls 98,100 at least in part.Groove the 102, the 104th on the edge of bearing 96, and is continuous, and do not separated by base plate 106.Groove 102,104 is arranged on the excircle of brush holder 24, and they extend to another end face 32 from one of them end face 30 in the part at least continuously.The radius of the radius of two fan-shaped walls 98,100 and the housing wall inner surface of the motor 10 that will install and the radius of housing wall outer surface are corresponding.Be provided with axially extended space 108 on wall 98,100, it has constituted spring-latch 110.Also construct opposed facing commutator segment 112 on wall 98,100, it has formed the contraction position.
Especially can know from Fig. 4 and find out that a relevant symmetrical plane 114 on function of the fixing and position with brush 22 extends through the base plate 108 of wall 98,100.This symmetrical plane 114 preferably extends along the direction of motion of brush 22 in support 94.Base plate 108 with the surface of its end face formed brush holder 24 axially on directed backstop, it has corresponding identical distance from each end face 30,32 to symmetrical plane 114.
Support 94 is arranged in the circular arc that is formed by bearing 96.Construct on bearing 96 prejudicially the initial position of support 94 or installation position, and favour the radius of this circular arc.Brush 22 tilts along its rotation direction on rectifier 20 thus, and this has obtained tranquiler operation.Support 94 is supported by the pillar 116 of bearing 96, and its B-C post 116 begins on bearing 96 prejudicially, and is connected with the end of support 94.
Especially can from Fig. 4, know and find out, on two opposed sides 118,120 of support 94, be provided with the damping that spring-latch 122 is used for brush cover 38.Because spring-latch 122 is under the pretightning force, they play cushioning effect to the surface of supporting it.The brush 22 that this surface is subjected to moving with the rectifier rotation direction in brush cover 38 tangently encourages, and promptly this brush 22 impacts this wall rhythmically.The excitation of the rectifier 20 that its (brush jacket wall) also rotated and vibrating particularly is energized vibration by uneven friction law between brush and the rectifier 20.This spring-latch 122 plays the effect identical with vibration absorber, compares with the situation of this surface free vibration decay under self damping influence, and these spring-latch can make vibration decay quickly.

Claims (13)

1. brush holder (24) is preferred for brush (22), has at least one support (94), has held at least one brush (22) in this support movably; Also have a bearing (96), this seat supports described at least one support (94), and this brush holder (24) is fixed on the motor (10) with this bearing, and it is characterized in that: described brush holder (24) has fan-shaped basically shape.
2. by the described brush holder of claim 1 (24), it is characterized in that: described bearing (96) has the shape of arc section basically, and described support (94) is arranged in this arc section.
3. by claim 1 or 2 described brush holders (24), it is characterized in that: construct on bearing (96) prejudicially at the initial position of described support (94), and favour the radius of described circular arc.
4. by the described brush holder of one of aforesaid right requirement (24), it is characterized in that: structure standing part (98,100,102,104,106) is used for brush holder (24) is fixed on motor (10), be that described bearing (96) has two fan-shaped walls (98,100), surround an axially extended groove (102,104) respectively on their each in two end faces (30,32), wherein these two grooves (102,104) flush mutually, and are connected base plate (106) separation of these two walls (98,100) at least in part.
5. by the described brush holder of claim 4 (24), it is characterized in that: described groove (102,104) is continuous on the edge of bearing (96), and is not separated by base plate (106).
6. by claim 4 or 5 described brush holders (24), it is characterized in that: the radius on the opposed facing surface of described two fan-shaped walls (98,100) is corresponding with the radius of the wall of the housing (12) of the motor that will install (10).
7. by one of claim 4 to 6 described brush holder (24), it is characterized in that: on described wall (98,100), be provided with the space (108) that constitutes spring-latch (110), and/or go up structure opposed facing commutator segment (112) at wall (98,100), it has formed the contraction position.
8. by the described brush holder of one of aforesaid right requirement (24), it is characterized in that: described support (94) is supported by the pillar (116) of bearing (96), its B-C post (116) begins on bearing (96) prejudicially, and is connected with the end of described support (94).
9. by the described brush holder of one of aforesaid right requirement (24), it is characterized in that: described support (94) is a kind of U-shaped block set that is used for brush cover (38).
10. by the described brush holder of one of aforesaid right requirement (24), it is characterized in that: at least two opposite sides (118,120) of described support (94), be provided with the damping that spring-latch (122) is used for brush cover (38).
11. by the described brush holder of one of aforesaid right requirement (24), it is characterized in that: described standing part (98,100,102,104,106) is arranged on the excircle of brush holder (24), and the part extends to another end face (32) from one of them end face (30) continuously at least.
12. have at least one brush (22) and/or have the brush holder (24) that at least one is provided with the brush cover (38) of a brush (22) by one of aforesaid right requirement is described.
13. have at least one motor (10), preferred commutator motor by the described brush holder of one of aforesaid right requirement (24).
CN2005800286987A 2004-08-27 2005-08-25 Brush holder, preferably for a carbon brush Expired - Fee Related CN101010853B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004041487.4 2004-08-27
DE200410041487 DE102004041487A1 (en) 2004-08-27 2004-08-27 Brush holder, preferably for a carbon brush
PCT/EP2005/054181 WO2006021576A1 (en) 2004-08-27 2005-08-25 Brush holder, preferably for a carbon brush

Publications (2)

Publication Number Publication Date
CN101010853A true CN101010853A (en) 2007-08-01
CN101010853B CN101010853B (en) 2011-08-31

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ID=35094212

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2005800286987A Expired - Fee Related CN101010853B (en) 2004-08-27 2005-08-25 Brush holder, preferably for a carbon brush

Country Status (6)

Country Link
EP (1) EP1784906A1 (en)
JP (1) JP2008511280A (en)
CN (1) CN101010853B (en)
BR (1) BRPI0510546A (en)
DE (1) DE102004041487A1 (en)
WO (1) WO2006021576A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102957288A (en) * 2011-08-10 2013-03-06 德昌电机(深圳)有限公司 Driving device and brush motor thereof
CN105099065A (en) * 2014-04-18 2015-11-25 德昌电机(深圳)有限公司 Automobile window glass drive unit, and driving assembly and assembling method thereof
CN106877550A (en) * 2017-03-31 2017-06-20 苏州金莱克汽车电机有限公司 A kind of motor brush rocker and the motor using the brush holder
CN108233135A (en) * 2016-12-22 2018-06-29 罗伯特·博世有限公司 For the brush holders of motor
CN110710066A (en) * 2017-05-15 2020-01-17 法雷奥***公司 Carbon brush holder plate for electric motor, windshield wiper motor, and method for assembling windshield wiper motor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4895536A (en) * 1984-05-11 1990-01-23 Amp Incorporated Lead frame assembly having severable electrical circuit sections
US4571515A (en) * 1984-09-26 1986-02-18 Baader Edward J Small motor assembly
US5047679A (en) * 1990-08-30 1991-09-10 Baader Edward J Casing for a small motor assembly
JP4459416B2 (en) * 2000-09-05 2010-04-28 アスモ株式会社 Brush holding device and motor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102957288A (en) * 2011-08-10 2013-03-06 德昌电机(深圳)有限公司 Driving device and brush motor thereof
CN102957288B (en) * 2011-08-10 2017-12-12 德昌电机(深圳)有限公司 Drive device and its brush motor
CN105099065A (en) * 2014-04-18 2015-11-25 德昌电机(深圳)有限公司 Automobile window glass drive unit, and driving assembly and assembling method thereof
CN105099065B (en) * 2014-04-18 2019-09-10 德昌电机(深圳)有限公司 Automotive glazing driving device, driving assembly and its assembly method
CN108233135A (en) * 2016-12-22 2018-06-29 罗伯特·博世有限公司 For the brush holders of motor
CN108233135B (en) * 2016-12-22 2021-12-28 罗伯特·博世有限公司 Brush holder for an electric motor
CN106877550A (en) * 2017-03-31 2017-06-20 苏州金莱克汽车电机有限公司 A kind of motor brush rocker and the motor using the brush holder
CN110710066A (en) * 2017-05-15 2020-01-17 法雷奥***公司 Carbon brush holder plate for electric motor, windshield wiper motor, and method for assembling windshield wiper motor

Also Published As

Publication number Publication date
EP1784906A1 (en) 2007-05-16
WO2006021576A1 (en) 2006-03-02
DE102004041487A1 (en) 2006-03-02
BRPI0510546A (en) 2007-10-30
CN101010853B (en) 2011-08-31
JP2008511280A (en) 2008-04-10

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