CN108306441B - Multipurpose motor brush holder - Google Patents
Multipurpose motor brush holder Download PDFInfo
- Publication number
- CN108306441B CN108306441B CN201810307207.1A CN201810307207A CN108306441B CN 108306441 B CN108306441 B CN 108306441B CN 201810307207 A CN201810307207 A CN 201810307207A CN 108306441 B CN108306441 B CN 108306441B
- Authority
- CN
- China
- Prior art keywords
- special
- shaped connecting
- carbon brush
- annular base
- connecting piece
- 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.)
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Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 81
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 77
- 238000009434 installation Methods 0.000 claims description 10
- 206010066054 Dysmorphism Diseases 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 244000185238 Lophostemon confertus Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
- H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
- H02K5/145—Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a multipurpose motor brush holder, which comprises a brush holder body, wherein the brush holder body comprises an annular base, a signal connector is integrally formed at the outer side edge of the annular base, a plurality of carbon brush mounting boxes are circumferentially arranged on the annular base, and a special-shaped connecting assembly is arranged in the bottom wall of the annular base; the special-shaped connecting assembly comprises a first special-shaped connecting piece and a second special-shaped connecting piece, wherein the first special-shaped connecting piece and the second special-shaped connecting piece both comprise a major arc connecting section arranged in the bottom wall of the annular base and a plug terminal arranged in the signal connector, the major arc connecting section is connected with the plug terminal correspondingly arranged through a straight line connecting section, and a plurality of inverted U-shaped bulges protruding towards the direction of the carbon brush mounting box are arranged on the major arc connecting section of the first special-shaped connecting piece and the major arc connecting section of the second special-shaped connecting piece at intervals; compared with the prior art, the invention ensures that the motor has stable commutation current, high bearing current, good performance stability and high production efficiency in the running process.
Description
Technical Field
The invention relates to the field of motor parts, in particular to a multipurpose motor brush holder.
Background
The motor is an important functional part of the automobile, and comprises an end cover, a brush frame and a rotating body which are mutually matched and installed, wherein the brush frame is used for applying pressure to a carbon brush which is in sliding contact with the surface of a commutator or a collecting ring through a spring, so that the carbon brush stably conducts current between the end cover and the rotating body. Both the brush holder and the carbon brush are very important components for the motor. No matter how good the characteristics of the carbon brush are, when the brush holder is unsuitable, the carbon brush cannot fully exert its excellent characteristics, and can bring about great influence on the performance and service life of the motor itself. The brush holder is a brush box portion that holds the carbon brush at a prescribed position, and presses the carbon brush with an appropriate pressure to prevent the carbon brush from vibrating.
The brush holder in the past adopts to establish ties a plurality of carbon brushes on the circuit of brush holder inside with the mode of soldering tin to form a circuit, and avoided the carbon brush to take place the vibration at the in-process of motor operation, but this kind of mode has following problem:
1. the production process is complex, the production efficiency is low, and the hidden danger of motor disconnection exists;
2. the current of the motor is unstable in the reversing process, reversing sparks are easy to generate, and the EMC (battery compatibility) effect of the motor is influenced;
3. the motor has low bearing current and unstable performance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a multipurpose motor brush frame so as to solve the problems of unstable commutation current, low bearing current, unstable performance and low production efficiency of a motor in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a multipurpose motor brush yoke, includes the brush yoke body, the brush yoke body includes annular base, annular base outside edge integrated into one piece has signal connector, and the carbon brush mounting box that is used for installing the carbon brush that the multiunit interval set up is arranged on the annular base circumference, be provided with the dysmorphism coupling assembling that penetrates in the signal connector in the diapire of annular base, dysmorphism coupling assembling carries out the electric connection through the mode that the series-parallel combines the carbon brush of installing in every carbon brush mounting box;
the special-shaped connecting assembly comprises a first special-shaped connecting sheet and a second special-shaped connecting sheet which are arranged in parallel, a part of carbon brush mounting boxes and the first special-shaped connecting sheet are connected in series to form a first loop, and the other part of carbon brush mounting boxes and the second special-shaped connecting sheet are connected in series to form a second loop, and the first loop and the second loop are arranged in parallel; the first special-shaped connecting piece and the second special-shaped connecting piece all include the major arc linkage segment that sets up in annular base's diapire and set up the plug terminal in signal connector, and the major arc linkage segment links to each other through sharp linkage segment with the plug terminal that corresponds the setting, and the major arc linkage segment of first special-shaped connecting piece is located the major arc linkage segment inboard of second special-shaped connecting piece and the interval sets up in opposite directions, all the interval is provided with a plurality of protruding "U" shape archs that establish to carbon brush mounting box direction on the major arc linkage segment of first special-shaped connecting piece and the major arc linkage segment of second special-shaped connecting piece, and wherein partial carbon brush mounting box sets up between two the protruding "U" shape archs of the adjacent first special-shaped connecting piece and second special-shaped connecting piece respectively one-to-one.
Compared with the prior art, the invention has the following beneficial effects:
1. after the brush holder body is arranged on the motor, even if one carbon brush fails, other carbon brushes can enable the motor to continue to work normally;
2. the first special-shaped connecting piece, the second special-shaped connecting piece and each carbon brush in the brush holder are all connected in an intermediate frequency welding mode, so that air pollution caused by adopting a soldering tin mode is avoided, the production efficiency of the brush holder is greatly improved, and the process complexity is reduced;
3. the connection mode in the circuit in the brush frame increases the overload current capacity of the motor, reduces the generation of commutation sparks, and improves the consistency and EMC performance of the motor performance;
4. the inverted U-shaped bulges arranged on the first special-shaped connecting piece and the second special-shaped connecting piece enable the first special-shaped connecting piece and the second special-shaped connecting piece to be stably arranged in the annular base, and the problem that the circuit connection condition in the brush frame is affected due to the fact that the first special-shaped connecting piece and the second special-shaped connecting piece slide in the running process is avoided.
Drawings
FIG. 1 is a perspective view of a multipurpose motor brush holder of the present invention;
FIG. 2 is a schematic plan view of FIG. 1;
FIG. 3 is a schematic view of the profile connection assembly of FIG. 1;
fig. 4 is a schematic structural view of the seal ring in fig. 1.
Detailed Description
The invention is described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the carbon brush comprises an annular base 1, a signal connector 2, a carbon brush mounting box 3, a special-shaped connecting assembly 4, a first special-shaped connecting piece 5, a second special-shaped connecting piece 6, a major arc connecting section 7, a plug terminal 8, a connecting lug 9, an inverted U-shaped protrusion 10, a connecting wire setting groove 11, a partition plate 12, a fixing column 13, a carbon powder discharging notch 14, an annular protection wall 15, a carbon brush mounting notch 16 and a sealing ring 17.
Examples
Referring to fig. 1 to 4, it is shown that: the utility model provides a multipurpose motor brush yoke, includes the brush yoke body, the brush yoke body includes annular base 1, annular base 1 outside edge integrated into one piece has signal connector 2, and the carbon brush mounting box 3 that is used for installing the carbon brush that the multiunit interval set up is arranged on the annular base 1 circumference, is provided with the dysmorphism coupling assembling 4 that penetrates in the signal connector 2 in the diapire of annular base 1, and dysmorphism coupling assembling 4 carries out the electric connection through the mode of series-parallel connection with the carbon brush that installs in every carbon brush mounting box 3; the special-shaped connecting assembly 4 comprises a first special-shaped connecting sheet 5 and a second special-shaped connecting sheet 6 which are arranged in parallel, a part of the carbon brush mounting boxes 3 and the first special-shaped connecting sheet 5 are connected in series to form a first loop, and the other part of the carbon brush mounting boxes 3 and the second special-shaped connecting sheet 6 are connected in series to form a second loop, and the first loop and the second loop are arranged in parallel; the first special-shaped connecting piece 5 and the second special-shaped connecting piece 6 all include the major arc connecting section 7 that sets up in the diapire of annular base 1 and set up plug terminal 8 in signal connector 2, the major arc connecting section 7 all links to each other through sharp connecting section with the plug terminal 8 that corresponds the setting, the major arc connecting section 7 of first special-shaped connecting piece 5 is located the major arc connecting section 7 inboard and the opposite interval setting of second special-shaped connecting piece 6, all the interval is provided with a plurality of protruding 10 of falling "U" shape that establish to carbon brush mounting box 3 direction on the major arc connecting section 7 of first special-shaped connecting piece 5 and the major arc connecting section 7 of second special-shaped connecting piece 6, wherein partial carbon brush mounting box 3 respectively one-to-one sets up between two protruding 10 of falling "U" shape of adjacent first special-shaped connecting piece 5 and second special-shaped connecting piece 6.
The plurality of carbon brush mounting boxes 3 divide the inner surface of the annular base 1 into alternately arranged connecting wire setting areas and fixing column mounting areas, a plurality of connecting wire setting grooves 11 for placing connecting wires connected on the carbon brush mounting boxes 3 are arranged in each connecting wire setting area, adjacent connecting wire setting grooves 11 are separated by a partition plate 12, a plurality of fixing columns 13 are arranged in each fixing column mounting area, and the number of the connecting wire setting grooves 11 and the number of the fixing columns 13 are correspondingly arranged one by one according to the number of the carbon brush mounting boxes 3; in the embodiment, the carbon brush mounting boxes 3 are two groups, each group comprises 2 carbon brush mounting boxes 3, four carbon brush mounting boxes 3 are uniformly distributed on the annular base 1, two connecting wire setting areas and two fixing column mounting areas are respectively arranged on the same straight line with the signal connector 2, two fixing columns 13 are arranged in each fixing column mounting area, spring rings connected on the carbon brush mounting boxes 3 are fixed through the fixing columns 13, the spring rings are fixedly sleeved on the fixing columns 13, and the stability of the carbon brush mounting boxes 3 is improved; adjacent connecting wires are arranged in the groove 11 through the partition plate 12, so that mutual interference of the connecting wires arranged in the groove 11 is avoided.
The connecting lugs 9 which are positioned below each connecting wire setting area are arranged on the first special-shaped connecting piece 5 and the second special-shaped connecting piece 6, the connecting wire setting grooves 11 are multistage step grooves taking the connecting lugs 9 as bottoms, each multistage step groove comprises a step hole at the lower side and a horn hole communicated with the step hole, the apertures of the lower ends of the step holes and the horn holes are smaller, horn-shaped chamfers are formed at turning positions of the step holes, the upper step parts of the step holes and the horn holes are communicated with the central positions of the annular base 1, carbon powder draining notches 14 are formed in the middle positions of the annular base 1, each carbon brush mounting box 3 is provided with a connecting wire which is electrically connected with carbon brushes in the carbon brush mounting box 3, the connecting wire is clamped in the connecting wire setting grooves 11, longer connecting wires are conveniently placed in the connecting wire setting grooves 11 through the structures of the connecting wire setting grooves 11, meanwhile, the connecting wires are conveniently and electrically connected with the connecting lugs 9 positioned at the bottoms in an intermediate frequency welding mode, so that the connecting wires can be continuously connected with the carbon brushes of the special-shaped motor, the special-shaped connecting pieces, the carbon brushes 5 and the carbon brushes 6 can be continuously connected with the carbon powder draining notches 14 in a normal running mode, and other faults can be further generated in the running mode; the surface of the annular base 1 provided with the carbon brush installation boxes 3 is circumferentially provided with annular protection walls 15 along the edges, the annular protection walls 15 are provided with a plurality of carbon brush installation notches 16 which are arranged in one-to-one correspondence with the carbon brush installation boxes 3, the annular protection walls 15 are also provided with a plurality of connecting wire installation notches which are arranged in one-to-one correspondence with the connecting wire installation areas, the carbon brushes, connecting wires and the like arranged on the annular base 1 are protected through the annular protection walls 15, and enough positions and spaces exist in the process of installing the carbon brushes through the carbon brush installation notches 16 and the connecting wire installation notches, so that the carbon brush installation and the dismounting are convenient and quick; the peripheral edge of the annular base 1 is integrally formed with a sealing ring 17 along the circumferential direction, a through hole is formed in the sealing ring 17, which is close to the signal connector 2, the signal connector 2 is connected with the annular base 1 through a transition section and penetrates through the through hole, the sealing ring 17 is arranged on the periphery of the annular base 1 in a secondary injection molding mode, the structure of the brush holder is changed, the assembly mode of the brush holder and an end cover of the motor is changed, and the motor is sealed and damped.
The carbon brush mounting box 3 includes two risers and is located between two risers and is close to the diaphragm that is used for connecting two risers of wherein one end, the other end of two risers passes through the bottom plate and links to each other, and the width of bottom plate is greater than the distance between two risers, fixedly connected with many pins on the one side that the riser was kept away from to the bottom plate, annular base 1 sets up the patchhole that the one-to-one of participating in setting on every carbon brush mounting box 3 has all been opened in the position of carbon brush mounting box 3, through inserting the patchhole with participating in and inserting into to rivet carbon brush mounting box 3 and annular base 1, the fastness and the carbon brush cooperation precision of carbon brush mounting box 3 have effectively been guaranteed, for two of setting side by side in this embodiment, every riser all opens the breach groove in the one end of keeping away from annular base 1 central point, the side of conveniently installing or dismantling carbon brush mounting box 3.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a multipurpose motor brush yoke, its characterized in that includes the brush yoke body, the brush yoke body includes annular base, annular base outside edge integrated into one piece has signal connector, and the carbon brush mounting box that is used for installing the carbon brush that the multiunit interval set up is arranged on the annular base circumference, be provided with the dysmorphism coupling assembling that penetrates in the signal connector in the diapire of annular base, dysmorphism coupling assembling carries out the electric connection through the mode that the series-parallel connection combines the carbon brush of installing in every carbon brush mounting box;
the special-shaped connecting assembly comprises a first special-shaped connecting sheet and a second special-shaped connecting sheet which are arranged in parallel, a part of carbon brush mounting boxes and the first special-shaped connecting sheet are connected in series to form a first loop, and the other part of carbon brush mounting boxes and the second special-shaped connecting sheet are connected in series to form a second loop, and the first loop and the second loop are arranged in parallel; the first special-shaped connecting piece and the second special-shaped connecting piece all include the major arc linkage segment that sets up in annular base's diapire and set up the plug terminal in signal connector, and the major arc linkage segment links to each other through sharp linkage segment with the plug terminal that corresponds the setting, and the major arc linkage segment of first special-shaped connecting piece is located the major arc linkage segment inboard of second special-shaped connecting piece and the interval sets up in opposite directions, all the interval is provided with a plurality of protruding "U" shape archs that establish to carbon brush mounting box direction on the major arc linkage segment of first special-shaped connecting piece and the major arc linkage segment of second special-shaped connecting piece, and wherein partial carbon brush mounting box sets up between two the protruding "U" shape archs of the adjacent first special-shaped connecting piece and second special-shaped connecting piece respectively one-to-one.
2. A multipurpose motor brush holder as recited in claim 1, wherein: the inner surface of the annular base is divided into a connecting wire setting area and a fixing column setting area which are alternately arranged by the plurality of carbon brush mounting boxes, a plurality of connecting wire setting grooves for placing connecting wires connected on the carbon brush mounting boxes are formed in each connecting wire setting area, the adjacent connecting wire setting grooves are separated by a partition plate, a plurality of fixing columns for fixedly sleeving the spring rings connected on the carbon brush mounting boxes are arranged in each fixing column setting area, and the number of the connecting wire setting grooves and the number of the fixing columns are set according to the number of the carbon brush mounting boxes in a one-to-one correspondence mode.
3. A multipurpose motor brush holder as claimed in claim 2, wherein: the surface that annular base set up carbon brush mounting box has arranged annular protection wall along its edge circumference, and it has a plurality of carbon brush installation breach that set up with carbon brush mounting box one-to-one to open on the annular protection wall, still opens a plurality of connecting wire installation breach that set up with the connecting wire setting district one-to-one on the annular protection wall.
4. A multipurpose motor brush holder as claimed in claim 2, wherein: the connecting lugs are arranged below the connecting wire arrangement area, the connecting wire arrangement grooves are multistage step grooves which are arranged at the bottom of the connecting lugs, each multistage step groove comprises a step hole at the lower side and a horn hole communicated with the step hole, the apertures of the lower ends of the step holes and the horn holes are smaller, horn-shaped chamfers are formed at turning positions of the step holes, and carbon powder drainage notches are communicated with the center positions of the annular base from the upper step portions of the step holes to the horn holes.
5. A multipurpose motor brush holder according to any one of claims 1 to 4, wherein: the peripheral edge of the annular base is integrally formed with a sealing ring along the circumferential direction of the annular base, a through hole is formed in the sealing ring, which is close to the signal connector, and the signal connector penetrates through the through hole through the transition section and is connected with the annular base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307207.1A CN108306441B (en) | 2018-04-08 | 2018-04-08 | Multipurpose motor brush holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307207.1A CN108306441B (en) | 2018-04-08 | 2018-04-08 | Multipurpose motor brush holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108306441A CN108306441A (en) | 2018-07-20 |
| CN108306441B true CN108306441B (en) | 2023-11-07 |
Family
ID=62847048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810307207.1A Active CN108306441B (en) | 2018-04-08 | 2018-04-08 | Multipurpose motor brush holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108306441B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0714154A1 (en) * | 1994-11-24 | 1996-05-29 | VORWERK & CO. INTERHOLDING GmbH | Brush holder for an electric motor |
| CN101540466A (en) * | 2008-02-04 | 2009-09-23 | 德昌电机(深圳)有限公司 | Electric motor and carbon brush assembly used therefor |
| CN201490810U (en) * | 2009-07-31 | 2010-05-26 | 比亚迪股份有限公司 | Brush carrier structure and DC motor therewith |
| CN102593997A (en) * | 2011-01-07 | 2012-07-18 | 德昌电机(深圳)有限公司 | Motor |
| CN102780305A (en) * | 2012-07-31 | 2012-11-14 | 张家港朗信电气有限公司 | Brush carrier plate for automobile radiator fan motor |
| CN203339852U (en) * | 2013-05-27 | 2013-12-11 | 苏州金莱克汽车电机有限公司 | Automobile DC motor of fixed structure |
| CN104092335A (en) * | 2014-07-16 | 2014-10-08 | 无锡市凯旋电机有限公司 | Carbon brush installing and fixing device easy and convenient to use |
| CN204118439U (en) * | 2014-08-27 | 2015-01-21 | 台州市富达机电有限公司 | Carbon brush holder |
| CN105790539A (en) * | 2016-05-05 | 2016-07-20 | 芜湖精诺汽车电器有限公司 | DC motor used for automobile cooling fan |
| CN206894408U (en) * | 2017-06-28 | 2018-01-16 | 重庆奥兴嘉科技有限公司 | A kind of permanent magnet DC motor brush holder |
| CN206977212U (en) * | 2017-06-28 | 2018-02-06 | 重庆奥兴嘉科技有限公司 | A kind of motor brush rocker and the motor containing the brush holder |
| CN207926324U (en) * | 2018-04-08 | 2018-09-28 | 重庆奥兴嘉科技有限公司 | A kind of multipurpose motor brush holder |
-
2018
- 2018-04-08 CN CN201810307207.1A patent/CN108306441B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0714154A1 (en) * | 1994-11-24 | 1996-05-29 | VORWERK & CO. INTERHOLDING GmbH | Brush holder for an electric motor |
| CN101540466A (en) * | 2008-02-04 | 2009-09-23 | 德昌电机(深圳)有限公司 | Electric motor and carbon brush assembly used therefor |
| CN201490810U (en) * | 2009-07-31 | 2010-05-26 | 比亚迪股份有限公司 | Brush carrier structure and DC motor therewith |
| CN102593997A (en) * | 2011-01-07 | 2012-07-18 | 德昌电机(深圳)有限公司 | Motor |
| CN102780305A (en) * | 2012-07-31 | 2012-11-14 | 张家港朗信电气有限公司 | Brush carrier plate for automobile radiator fan motor |
| CN203339852U (en) * | 2013-05-27 | 2013-12-11 | 苏州金莱克汽车电机有限公司 | Automobile DC motor of fixed structure |
| CN104092335A (en) * | 2014-07-16 | 2014-10-08 | 无锡市凯旋电机有限公司 | Carbon brush installing and fixing device easy and convenient to use |
| CN204118439U (en) * | 2014-08-27 | 2015-01-21 | 台州市富达机电有限公司 | Carbon brush holder |
| CN105790539A (en) * | 2016-05-05 | 2016-07-20 | 芜湖精诺汽车电器有限公司 | DC motor used for automobile cooling fan |
| CN206894408U (en) * | 2017-06-28 | 2018-01-16 | 重庆奥兴嘉科技有限公司 | A kind of permanent magnet DC motor brush holder |
| CN206977212U (en) * | 2017-06-28 | 2018-02-06 | 重庆奥兴嘉科技有限公司 | A kind of motor brush rocker and the motor containing the brush holder |
| CN207926324U (en) * | 2018-04-08 | 2018-09-28 | 重庆奥兴嘉科技有限公司 | A kind of multipurpose motor brush holder |
Non-Patent Citations (1)
| Title |
|---|
| 直流电机换向器薄膜成因及作用的探讨;曹卫权;湘潭大学自然科学学报;第24卷(第4期);第96-98页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108306441A (en) | 2018-07-20 |
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