CN102709772B - Carbon brush holder assembly for starter and assembling method thereof - Google Patents
Carbon brush holder assembly for starter and assembling method thereof Download PDFInfo
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- CN102709772B CN102709772B CN201210123769.3A CN201210123769A CN102709772B CN 102709772 B CN102709772 B CN 102709772B CN 201210123769 A CN201210123769 A CN 201210123769A CN 102709772 B CN102709772 B CN 102709772B
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- carbon brush
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Abstract
The invention provides a carbon brush holder assembly for a starter, which comprises a brush holder box, a positive pole baseplate and a negative pole baseplate which are arranged on the brush holder box, positive pole carbon brushes, negative pole carbon brushes, springs for driving the positive pole carbon brushes and the negative pole carbon brushes to move, an insulating sheath, a positive pole connecting wire and a carbon brush temporary fixing ring, wherein the brush holder box, the positive pole baseplate and the negative pole baseplate are correspondingly provided with a coaxial hollow hole for a starter rotary shaft to pass through. The assembly is characterized in that three positive pole carbon brushes and three negative pole carbon brushes are respectively welded on the positive pole baseplate and the negative pole baseplate, the brush holder box is formed by one-time injection molding and is provided with three positive pole brush holder grooves and three negative pole brush holder grooves respectively corresponding to the negative pole carbon brushes and the negative pole carbon brushes, the positive pole baseplate and the negative pole baseplate are provided with square grooves which respectively corresponds to the positive pole brush holder grooves and the negative pole brush holder grooves and are used for assembling the springs. A six-brush assembling structure can increase the working performance and prolong the service life. The assembly has a simple assembling process and convenience in assembling, thus improving the assembling efficiency obviously.
Description
Technical field
The present invention relates to carbon brush holder assembly and assembly method thereof for a kind of starter, be particularly useful for requiring high start stop system starter useful life.
Background technology
Tradition starter carbon brush frame is four carbon brush structures, i.e. two anodal carbon brush and two negative pole carbon brush, and during four carbon brush electric motors runnings, current fluctuation is large, produces spark large during commutation between carbon brush and commutator, and electrical wear is fast, poor durability.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of carbon brush holder assembly and assembly method thereof for starter with six carbon brush, overcome in the motor operation course that above-mentioned existing four carbon brush structures exist current fluctuation large, during commutation, between carbon brush and commutator, produce the shortcoming that spark is large, improve the durability of product.
Technical scheme of the present invention is:
This starter carbon brush holder assembly, comprise brush holder box, just be arranged on brush holder box, negative pole base plate, just, negative pole carbon brush and the spring that drives it to move, insulating sleeve, the temporary fixed ring of positive lead and carbon brush, described brush holder box, anodal base plate and negative pole base plate correspondence arrange the coaxial hollow hole passing for starter rotating shaft, its special character is: just described, the quantity of negative pole carbon brush is respectively three, and be welded on respectively just described, on negative pole base plate, described brush holder box is single injection-molded, it is corresponding just described, negative pole carbon brush position is respectively equipped with three anodal brush holder grooves and three negative pole brush holder grooves, just described, negative pole base plate is corresponding just described respectively, the square groove of the described spring of assembling is offered in negative pole brush holder groove position.
On described positive and negative electrode base plate, be arranged with respectively a plurality of protruding caulking parts, the corresponding described protruding caulking part of described brush holder box is provided with pilot hole, for positive and negative electrode base plate and the riveted joint of brush holder box.
The height of described protruding caulking part is greater than 2.5mm, to guarantee negative pole base plate and the box-packed intensity of joining of brush holder.
Described square groove size is greater than described spring-compressed size, so that spring can be assembled in brush holder box under compressive state.
The protruding caulking part of the corresponding described negative pole base plate of described anodal base plate is provided with shape of a hoof technology groove, and the corresponding shape of a hoof technology groove of described brush holder box arranges groove, for negative pole base plate and brush holder box, rivets punching pin at present.
On described positive and negative electrode base plate, be respectively equipped with the welding mark of welding carbon brush.
Described negative pole bottom board symmetry arranges a plurality of screwed holes for being connected with starter rear-lid.
Described anodal base plate is provided with the bending part that connects described positive lead, the corresponding described bending part of described insulating sleeve is offered square groove, described bending part is fixed on described insulating sleeve the assembling edge of described anodal base plate and brush holder box through described square groove, the assembling edge of the corresponding described anodal base plate of described insulating sleeve and brush holder box arranges holddown groove, and insulating sleeve prevents that anodal base plate is connected with starter casing, bonnet with positive lead.
In described brush holder box, be provided with reinforcement, to guarantee brush holder box intensity.
An assembly method for carbon brush holder assembly as above, comprises the steps:
1), welding carbon brush: three anodal carbon brush are welded on anodal base plate, on three negative pole carbon brush welding negative pole base plates;
2), assembling positive and negative electrode base plate: first anodal base plate and brush holder box are riveted together, anodal carbon brush are assembled in the anodal brush holder groove of brush holder box; Then negative pole base plate and brush holder box are riveted together, negative pole carbon brush are assembled in the negative pole brush holder groove of brush holder box;
3), the temporary fixed ring of carbon brush is installed: the temporary fixed ring of carbon brush is inserted in the middle of six carbon brush, guarantees that now six carbon brush are in the brush holder groove of brush-box;
4), mounting spring: the spring after compression is assembled in positive and negative electrode brush holder groove by the square groove on positive and negative electrode base plate respectively;
5), installing insulating sheath: insulating sleeve is assembled on anodal base plate, make bending part on anodal base plate through the square groove of insulating sleeve, and the assembling edge of anodal base plate and brush holder is inserted in the holddown groove of insulating sleeve;
6), welding positive lead: positive lead is welded to the bending part top of anodal base plate, forms carbon brush holder assembly.
The invention has the beneficial effects as follows: the brush holder box of this carbon brush holder assembly is single injection-molded, and processing technology is simple, be convenient to realize; Positive and negative electrode base plate welds six carbon brush altogether, compares with four traditional carbon brush structures, can reduce the current fluctuation of motor rotation, reduces the spark producing between carbon brush and armature commutator, improves motor performance 5 ~ 8%, increases the service life 1.5 ~ 2 times; Assembly technology is simple, is convenient to assembling, significantly improves efficiency of assembling.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is brush holder box structural representation of the present invention;
Fig. 5 is along the profile of A-A in Fig. 4;
Fig. 6 is the rearview of Fig. 4;
Fig. 7 is anodal base arrangement schematic diagram of the present invention;
Fig. 8 is the right view of Fig. 7;
Fig. 9 is the rearview of Fig. 7;
Figure 10 is negative pole base arrangement schematic diagram of the present invention;
Figure 11 is the right view of Figure 10;
Figure 12 is the rearview of Figure 10;
Figure 13 is insulating sheath structure schematic diagram of the present invention;
Figure 14 is the right view of Figure 13;
Figure 15 is the rearview of Figure 13.
Figure 16 is that the present invention is assembled to the structural representation on starter.
Sequence number explanation in figure: brush holder box 1, pilot hole 1a, 1b, reinforcement 1c, 1d, 1e, anodal brush holder groove 1f, negative pole brush holder groove 1g, groove 1h; Anodal base plate 2, shape of a hoof technology groove 2a, square groove 2b, protruding caulking part 2c, bending part 2d, welding mark 2e; Negative pole base plate 3, screwed hole 3a, welding mark 3b, square groove 3c, protruding caulking part 3d; The temporary fixed ring 4 of carbon brush; Insulating sleeve 5, square groove 5a, holddown groove 5b; Positive lead 6; Spring 7; Negative pole carbon brush 8; Anodal carbon brush 9; Screw 10; Armature assembling 11; Adjust pad 12; Bonnet 13; In-and-out bolt 14; Starter casing 15.
Embodiment
As shown in Figure 1-Figure 3, this carbon brush holder assembly comprises brush holder box 1, anodal base plate 2 and negative pole base plate 3, anodal carbon brush 9 and negative pole carbon brush 8 and drive its spring moving 7, insulating sleeve 5, the temporary fixed ring 4 of positive lead 6 and carbon brush.Brush holder box 1, anodal base plate 2 and negative pole base plate 3 correspondences arrange the coaxial hollow hole passing for starter rotating shaft, and before assembling, the temporary fixed ring 4 of described carbon brush is arranged in coaxial hollow hole.The quantity of anodal carbon brush 9 and negative pole carbon brush 8 is respectively three, and is welded on respectively on positive and negative electrode base plate 2,3.
As Figure 4-Figure 6, brush holder box 1 is single injection-molded, and its corresponding positive and negative electrode carbon brush 9,8 positions are provided with three anodal brush holder groove 1f and three negative pole brush holder groove 1g.Brush holder box 1 is provided with for pilot hole 1b, 1a with 2,3 riveted joints of positive and negative electrode base plate.In order to guarantee brush holder box 1 intensity, in brush holder box 1, be provided with reinforcement 1c, 1d, 1e.The assembling square groove 2b of spring 7 and square groove 3c(are offered respectively referring to Fig. 7 and Figure 10 in the corresponding brush holder groove of positive and negative electrode base plate 2,3 position), square groove 2b and square groove 3c size are greater than the reduced size of spring 7, so that spring 7 can be assembled in positive and negative electrode brush holder groove 1f, the 1g of brush holder box 1 under compressive state.
As shown in Fig. 7-Fig. 9, on anodal base plate 2, be evenly provided with three shape of a hoof technology groove 2a, three protruding caulking part 2c, three for welding the welding mark 2e of carbon brush, the pilot hole 1b of the corresponding brush holder box of protruding caulking part 2c and its are highly greater than 2.5mm.Anodal base plate 2 is provided with the bending part 2d that connects positive lead 6, the corresponding bending part 2d of insulating sleeve 5 offers square groove 5a, bending part 2d is fixed on insulating sleeve 5 through square groove 5a the assembling edge of anodal base plate 2 and brush holder box 1, the corresponding anodal base plate 2 of insulating sleeve 5 arranges holddown groove 5b(referring to Figure 13-Figure 15 with the assembling edge of brush holder box 1), the corresponding armature commutator end of bending part 2d is provided with 60 limits, degree inclination angle, guarantee anodal overcurrent capability, and avoid anodal base plate 2 and armature commutator to interfere.The outside dimension of anodal base plate 2 is less than brush holder box 1 size, and and starter casing 15 inwalls between distance be greater than 1mm more than, avoid anodal base plate 2 and casing 1 inwall bonding.
As shown in Figure 10-Figure 12, on negative pole base plate 3, be evenly provided with three screwed hole 3a for being connected with starter rear-lid 13, three protruding caulking part 3d, three welding mark 3b that are used for welding carbon brush, the pilot hole 1a of the corresponding brush holder box 1 of projection caulking part 3d and its are highly greater than 2.5mm, three shape of a hoof technology groove 2a of anodal base plate 2 are mutually corresponding with the protruding caulking part 3d of negative pole base plate 3, corresponding three shape of a hoof technology groove 2a of brush holder box 1 arrange respectively three for the groove 1h of lower punching pin, groove 1h communicates with the pilot hole 1a of brush holder box, for negative pole base plate and brush holder box, rivet punching pin at present.Welding mark 2e, 3b can be designed to various geometries, as groined type, latticed cut etc.
The assembly method of this carbon brush holder assembly, comprises the steps:
1, welding carbon brush: three welding mark 2e that three anodal carbon brush 9 are welded to respectively to anodal base plate 2 are upper, three negative pole carbon brush 8 are welded to respectively on three welding mark 3b of negative pole base plate 3;
2, assembling positive and negative electrode base plate 2,3: make the protruding caulking part 2c on anodal base plate 2 corresponding with the circular hole 1b on brush holder box 1, anodal carbon brush 9 is assembled in the anodal brush holder groove 1f of brush holder box 1 simultaneously, and by frock, anodal base plate 2 is riveted together by protruding caulking part 2c with brush holder box 1, complete anodal base plate 2 assemblings; Make the protruding caulking part 3d on negative pole base plate 3 corresponding with the circular hole 1a on brush holder box 1, negative pole carbon brush 8 is assembled in the negative pole brush holder groove 1g of brush holder box 1 simultaneously, and by frock, negative pole base plate 3 and brush holder box 1 are riveted together by protruding caulking part 3d, complete 3 assemblings of negative pole base plate;
3, the temporary fixed ring 4 of carbon brush is installed: the temporary fixed ring 4 of carbon brush is inserted in the middle of six carbon brush, must guarantees that now six carbon brush are in the brush holder groove of brush-box 1;
4, mounting spring: the spring 7 after three compressions is assembled in anodal brush holder groove 1f by three square groove 2b of anodal base plate 2 respectively, and a spring 7 in each groove, makes spring 7 enter into groove completely; Three springs 7 after compression are assembled in negative pole brush holder groove 1g by three square groove 3c of negative pole base plate 3 respectively, and a spring 7 in each groove, makes spring 7 enter into groove completely;
5, installing insulating sheath: insulating sleeve 5 is assembled on anodal base plate 2, make bending part 2d on anodal base plate 2 through the square groove 5a of insulating sleeve 5, and the assembling edge of anodal base plate 2 and brush holder 1 is inserted in the holddown groove 5b of insulating sleeve 5;
6, welding positive lead: positive lead 6 is welded to the bending part 2d top of anodal base plate 2, forms carbon brush holder assembly.
As shown in figure 16, during assembling starter, by carbon brush holder general assembly to rotor assembly 11, armature commutator ejects the temporary fixed ring 4 of carbon brush, then utilize in-and-out bolt 14 that starter rear-lid 13 is assembled on starter casing 15, between bonnet 13 and armature assembly 11, be provided with and adjust pad 12, then with three screws 10, negative pole base plate 3 and starter rear-lid 13 are connected and fixed, complete the installation process of carbon brush holder assembly.
Claims (10)
1. a starter carbon brush holder assembly, comprise brush holder box, just be arranged on brush holder box, negative pole base plate, just, negative pole carbon brush and the spring that drives it to move, insulating sleeve, the temporary fixed ring of positive lead and carbon brush, described brush holder box, anodal base plate and negative pole base plate correspondence arrange the coaxial hollow hole passing for starter rotating shaft, it is characterized in that: just described, the quantity of negative pole carbon brush is respectively three, and be welded on respectively just described, on negative pole base plate, described brush holder box is single injection-molded, it is corresponding just described, negative pole carbon brush position is respectively equipped with three anodal brush holder grooves and three negative pole brush holder grooves, just described, negative pole base plate is corresponding just described respectively, the square groove of the described spring of assembling is offered in negative pole brush holder groove position.
2. starter according to claim 1 carbon brush holder assembly, is characterized in that: on described positive and negative electrode base plate, be arranged with respectively a plurality of protruding caulking parts, the corresponding described protruding caulking part of described brush holder box is provided with pilot hole.
3. starter according to claim 2 carbon brush holder assembly, is characterized in that: the height of described protruding caulking part is greater than 2.5mm.
4. starter according to claim 1 carbon brush holder assembly, is characterized in that: described square groove size is greater than the size of described spring under compressive state.
5. starter according to claim 1 carbon brush holder assembly, is characterized in that: the protruding caulking part of the corresponding described negative pole base plate of described anodal base plate is provided with shape of a hoof technology groove, and the corresponding shape of a hoof technology groove of described brush holder box arranges groove.
6. starter according to claim 1 carbon brush holder assembly, is characterized in that: the welding mark that is respectively equipped with welding carbon brush on described positive and negative electrode base plate.
7. starter according to claim 1 carbon brush holder assembly, is characterized in that: described negative pole bottom board symmetry arranges a plurality of screwed holes for being connected with starter rear-lid.
8. starter according to claim 1 carbon brush holder assembly, it is characterized in that: described anodal base plate is provided with the bending part that connects described positive lead, the corresponding described bending part of described insulating sleeve is offered square groove, described bending part is fixed on described insulating sleeve the assembling edge of described anodal base plate and brush holder box through described square groove, and the assembling edge of the corresponding described anodal base plate of described insulating sleeve and brush holder box arranges holddown groove.
9. starter according to claim 1 carbon brush holder assembly, is characterized in that: in described brush holder box, be provided with reinforcement.
10. an assembly method for carbon brush holder assembly as claimed in claim 1, is characterized in that, comprises the steps:
1), welding carbon brush: three anodal carbon brush are welded on anodal base plate, on three negative pole carbon brush welding negative pole base plates;
2), assembling positive and negative electrode base plate: first anodal base plate and brush holder box are riveted together, anodal carbon brush are assembled in the anodal brush holder groove of brush holder box; Then negative pole base plate and brush holder box are riveted together, negative pole carbon brush are assembled in the negative pole brush holder groove of brush holder box;
3), the temporary fixed ring of carbon brush is installed: the temporary fixed ring of carbon brush is inserted in the middle of six carbon brush, guarantees that now six carbon brush are in the brush holder groove of brush-box;
4), mounting spring: the spring after compression is assembled in positive and negative electrode brush holder groove by the square groove on positive and negative electrode base plate respectively;
5), installing insulating sheath: insulating sleeve is assembled on anodal base plate, make bending part on anodal base plate through the square groove of insulating sleeve, and the assembling edge of anodal base plate and brush holder is inserted in the holddown groove of insulating sleeve;
6), welding positive lead: positive lead is welded to the bending part top of anodal base plate, forms carbon brush holder assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123769.3A CN102709772B (en) | 2012-04-26 | 2012-04-26 | Carbon brush holder assembly for starter and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123769.3A CN102709772B (en) | 2012-04-26 | 2012-04-26 | Carbon brush holder assembly for starter and assembling method thereof |
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| Publication Number | Publication Date |
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| CN102709772A CN102709772A (en) | 2012-10-03 |
| CN102709772B true CN102709772B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210123769.3A Active CN102709772B (en) | 2012-04-26 | 2012-04-26 | Carbon brush holder assembly for starter and assembling method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6481434B2 (en) * | 2015-03-13 | 2019-03-13 | 株式会社デンソー | DC motor |
| CN104882986B (en) * | 2015-04-30 | 2015-12-02 | 浙江达可尔汽车电子科技有限公司 | Automobile starting motor brush carrier |
| CN109167460B (en) * | 2018-10-30 | 2023-10-10 | 成都中车电机有限公司 | Brush holder assembly device and method for alternating current brush excitation motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2197076A1 (en) * | 2008-12-09 | 2010-06-16 | Valeo Equipements Electriques Moteur | Brushes device for a starter of a motor vehicle |
| CN101919142A (en) * | 2007-12-11 | 2010-12-15 | 霍夫曼电刷碳精股份公司 | Brush unit for an electric machine, spring and seal arrangement for the same, and method for the production thereof |
| CN102204035A (en) * | 2008-08-29 | 2011-09-28 | 罗伯特·博世有限公司 | Electric machine |
| FR2959364A1 (en) * | 2010-04-27 | 2011-10-28 | Valeo Equip Electr Moteur | BRUSH ASSEMBLY FOR ELECTRIC MACHINE, SUCH AS A MOTOR VEHICLE STARTER, ASSOCIATED CASSETTE, AND ELECTRIC MACHINE PROVIDED WITH SUCH AN ASSEMBLY |
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2012
- 2012-04-26 CN CN201210123769.3A patent/CN102709772B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101919142A (en) * | 2007-12-11 | 2010-12-15 | 霍夫曼电刷碳精股份公司 | Brush unit for an electric machine, spring and seal arrangement for the same, and method for the production thereof |
| CN102204035A (en) * | 2008-08-29 | 2011-09-28 | 罗伯特·博世有限公司 | Electric machine |
| EP2197076A1 (en) * | 2008-12-09 | 2010-06-16 | Valeo Equipements Electriques Moteur | Brushes device for a starter of a motor vehicle |
| FR2959364A1 (en) * | 2010-04-27 | 2011-10-28 | Valeo Equip Electr Moteur | BRUSH ASSEMBLY FOR ELECTRIC MACHINE, SUCH AS A MOTOR VEHICLE STARTER, ASSOCIATED CASSETTE, AND ELECTRIC MACHINE PROVIDED WITH SUCH AN ASSEMBLY |
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| CN102709772A (en) | 2012-10-03 |
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