CN103840582A - Motor and rotor thereof - Google Patents
Motor and rotor thereof Download PDFInfo
- Publication number
- CN103840582A CN103840582A CN201210483172.XA CN201210483172A CN103840582A CN 103840582 A CN103840582 A CN 103840582A CN 201210483172 A CN201210483172 A CN 201210483172A CN 103840582 A CN103840582 A CN 103840582A
- Authority
- CN
- China
- Prior art keywords
- rotor
- commutator
- iron core
- utmost point
- tooth
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000004804 winding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
- H01R25/145—Details, e.g. end pieces or joints
-
- 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
- H01R39/14—Fastenings of commutators or slip-rings to shafts
-
- 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
- H02K13/006—Structural associations of commutators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc Machiner (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Provided is a motor rotor which comprises a rotating shaft, and an iron core and a commutator which are fixed on the rotating shaft. The commutator and the iron core are adjacently arranged along the rotating shaft. The commutator comprises multiple fixing pins. The iron core comprises a shaft hole which is used for assembling the rotating shaft. The periphery of the rotating hole is also provided with multiple fixing holes. The fixing pins of the commutator are coordinated with the fixing holes of the iron core. The iron core comprises n pole teeth, wherein n is an integer which is greater than 3. Each fixing hole is corresponding to one pole tooth in a radial direction of the rotor. Each pole tooth which is corresponding to the fixing hole is provided with an identification groove which is used for judging position of the fixing holes during assembling of the commutator. The motor rotor is provided with the identification grooves, and judgment of the position of the fixing holes in the iron core is facilitated for an operator during assembling of the commutator so that precise positioning of the commutator and the iron core is realized, and a situation of damage to the commutator caused by improper assembling is avoided. The invention also provides a motor with the rotor.
Description
Technical field
The present invention relates to a kind of motor, relate in particular to a kind of rotor of motor.
Background technology
Brush motor comprises stator and rotor, and rotor comprises rotating shaft, is fixed on iron core and commutator in rotating shaft, and is set around winding above unshakable in one's determination and that be electrically connected with commutator.Stator be provided with brush for be connected with external power source and with commutator sliding contact, thereby be winding power supply by commutator.Because commutator need to be consistent with the rotation of iron core/rotating shaft, therefore, commutator must be firmly fixed in iron core/rotating shaft very much.Traditional motor conventionally rotating shaft is tightly fitted in by the method for compacting unshakable in one's determination in after, then commutator is fixed in rotating shaft.Iron core is provided with fixing hole around the axis hole for fixed rotating shaft, and described commutator is provided with fixing feet and coordinates with described fixing hole, thereby commutator is circumferentially located.But, because fixing hole is arranged at central authorities unshakable in one's determination, be difficult to the fixing feet of commutator to aim at fixing hole in when assembling, easily cause assembling improper and damage commutator.
Summary of the invention
Given this, be necessary to provide a kind of motor that is easy to the rotor of assembling and there is this rotor.
The invention provides a kind of rotor, comprise rotating shaft, be fixed on iron core and commutator in rotating shaft, described commutator and unshakable in one's determination along the adjacent setting of rotating shaft, described commutator comprises some fixing feet, described iron core comprises that an axis hole is for assembling described rotating shaft, the periphery of described axis hole is also provided with some fixing holes, the fixing feet of described commutator matches with the fixing hole of described iron core, described iron core comprises n utmost point tooth, wherein n is greater than 3 integer, described in each, fixing hole is upwards corresponding with a utmost point tooth in the footpath of rotor, each utmost point tooth corresponding with described fixing hole is provided with an identification slot, described identification slot for judging the position of fixing hole in the time assembling commutator.
Preferably, each utmost point tooth comprise a tooth neck and from the radial extremity of tooth neck the crown along the circumferential extension of rotor, described identification slot forms from the radially-outer surface indent of crown.
Optionally, each utmost point tooth comprise a tooth neck and from the radial extremity of tooth neck the crown along the circumferential extension of rotor, described identification slot is positioned on crown, the outer surface of the periphery of described identification slot and described utmost point tooth separately.
Optionally, each utmost point tooth comprise a tooth neck and from the radial extremity of tooth neck the crown along the circumferential extension of rotor, described identification slot is positioned on crown, the periphery of described identification slot is continuously and closed.
Preferably, described rotor comprises 6 utmost point teeth.
Preferably, described rotor is provided with 2 or 3 fixing holes.
The present invention also provides a kind of motor, comprise stator and rotor, described rotor comprises rotating shaft, be fixed on iron core and commutator in rotating shaft, described commutator and unshakable in one's determination along the adjacent setting of rotating shaft, described commutator comprises some fixing feet, described iron core comprises that an axis hole is for assembling described rotating shaft, the periphery of described axis hole is also provided with some fixing holes, the fixing feet of described commutator matches with the fixing hole of described iron core, described iron core comprises n utmost point tooth, wherein n is greater than 3 integer, described in each, fixing hole is upwards corresponding with a utmost point tooth in the footpath of rotor, each utmost point tooth corresponding with described fixing hole is provided with an identification slot, described identification slot for judging the position of fixing hole in the time assembling commutator.
Because above-mentioned rotor is provided with identification slot, the position of convenient operation personnel fixing hole in the time judgement of assembling commutator is unshakable in one's determination, thus realize commutator and precise positioning unshakable in one's determination, avoid assembling situation generation improper and damage commutator.
In order further to understand feature of the present invention and technology contents, refer to following about detailed description of the present invention and accompanying drawing, but institute's accompanying drawing only provide with reference to and explanation use, be not used for the present invention to be limited.
Brief description of the drawings
Fig. 1 is the three-dimensional exploded view of the motor of one embodiment of the invention.
Fig. 2 is the stereogram at another visual angle of motor shown in Fig. 1.
Fig. 3 is that the commutator of rotor shown in Fig. 1 is not assembled to schematic diagram unshakable in one's determination completely.
Fig. 4 is the stereogram unshakable in one's determination of rotor shown in Fig. 3.
Embodiment
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is described in detail, will make technical scheme of the present invention and other beneficial effects apparent.Be appreciated that accompanying drawing only provides reference and explanation use, is not used for the present invention to be limited.The size showing in accompanying drawing is only used to be convenient to clear description, and does not limit proportionate relationship.
Fig. 1 and the motor that Figure 2 shows that one embodiment of the invention, it is applicable to multiple fields, is particularly useful for automotive field, such as folding driver etc. for car mirror.This motor comprises stator 10, rotor 20 and end cap 30, and described stator 10 comprises a housing 12 and is located at the permanent magnet 14 of housing 12 inner surfaces.Described housing 12 is the tubular of one end sealing.In the present embodiment, described stator 10 comprises two permanent magnets 14, forms altogether two magnetic poles.
Described rotor 20 comprises a rotating shaft 21, is fixed on iron core 22 and commutator 23 in rotating shaft 21, and is wound on unshakable in one's determination 22 and the winding (not shown) being electrically connected with commutator 23.Described rotor 20 is rotatably contained in described stator 10.Described end cap 30 is located at the openend of described housing 12, and described rotor 20 is provided support.In described end cap 30, be provided with two brushes 32.Described two brushes 32 are electrically connected with external power source, and in the time that rotor 20 rotates and the electric conductor sliding contact of commutator 23, thereby be the winding power supply of rotor 20.
Please refer to Fig. 3, described commutator 23 and 22 adjacent settings in rotating shaft 21 unshakable in one's determination.One end that described commutator 23 faces iron core 22 is convexly equipped with some fixing feet 24 towards unshakable in one's determination 22.Preferably, circumferentially evenly distributed along commutator 23 of described fixing feet 24.In the present embodiment, the quantity of described fixing feet 24 is 3.
Please refer to Fig. 4, described unshakable in one's determination 22 comprise and are positioned at a body 25 of central authorities and from the outward extending some utmost point teeth 26 of radial outer periphery of body 25.In the present embodiment, described unshakable in one's determination 22 comprise 6 utmost point teeth.Described utmost point tooth 26 is roughly T-shaped with on unshakable in one's determination 22 axial vertical cross sections on edge.Each utmost point tooth 26 comprises the tooth neck 27 that extends radially outward from body 25 and both sides upwards extends and the crown 28 that forms towards 22 weeks unshakable in one's determination from the radial extremity of tooth neck 27.
In described body 25, be provided with an axis hole 29, for fixing with described rotating shaft 21.Described body 25 is arranged with some fixing holes 41 that are communicated with axis hole 29 in axis hole 29 outer.In the present embodiment, the quantity of fixing hole 41 is 3.Described fixing hole 41 is corresponding with the fixing feet 24 of described commutator 23 respectively in the axial direction.Described fixing hole 41 is radially being distinguished a corresponding utmost point tooth 26.On the crown 28 of each utmost point tooth 26 corresponding with described fixing hole 41, form an identification slot 42.Described identification slot 42 preferably forms from radially-outer surface (the being pole-face) indent of crown 28, and described identification slot 42 upwards aligns with described fixing hole 41 in unshakable in one's determination 22 footpath.In the present embodiment, described identification slot 42 extends axially along iron core 22, and runs through the insulating trip of being located at described unshakable in one's determination 22 ends near described commutator 23.
In other embodiments, described identification slot 42 can be arranged on the crown 28 of the utmost point tooth 26 corresponding with described fixing hole 41.And the periphery of identification slot radially with the outer surface of described utmost point tooth separately.In other words, the periphery of identification slot is continuous closed.
Due to the setting of identification slot 42, can make operating personnel in the time of assembling rotor 20, understand the position of the fixing hole 41 of iron core 22 by observing the position of identification slot, thereby convenient aiming at the fixing hole 41 of the fixing feet of commutator 23 24 and iron core 22, thereby complete smoothly assembling, the situation improperly of avoiding assembling occurs.Rotor of the present invention is particularly useful for the motor that the utmost point number of teeth unshakable in one's determination is greater than 3.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, such as, the rotor core of the present embodiment comprises 6 utmost point teeth and 3 fixing holes, on commutator, correspondence arranges 3 fixing feet, and alternatively, fixing hole unshakable in one's determination can be also 2, correspondingly, 2 fixing feet are set on commutator.All any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. a rotor, comprise rotating shaft, be fixed on iron core and commutator in rotating shaft, described commutator and unshakable in one's determination along the adjacent setting of rotating shaft, described commutator comprises some fixing feet, described iron core comprises that an axis hole is for assembling described rotating shaft, the periphery of described axis hole is also provided with some fixing holes, the fixing feet of described commutator matches with the fixing hole of described iron core, it is characterized in that: described iron core comprises n utmost point tooth, wherein n is greater than 3 integer, described in each, fixing hole is upwards corresponding with a utmost point tooth in the footpath of rotor, each utmost point tooth corresponding with described fixing hole is provided with an identification slot, described identification slot for judging the position of fixing hole in the time assembling commutator.
2. rotor according to claim 1, is characterized in that: each utmost point tooth comprise a tooth neck and from the radial extremity of tooth neck the crown along the circumferential extension of rotor, described identification slot forms from the radially-outer surface indent of crown.
3. rotor according to claim 1, it is characterized in that: each utmost point tooth comprises a tooth neck and the crown along the circumferential extension of rotor from the radial extremity of tooth neck, described identification slot is positioned on crown, and the outer surface of the periphery of described identification slot and described utmost point tooth separately.
4. rotor according to claim 1, is characterized in that: each utmost point tooth comprise a tooth neck and from the radial extremity of tooth neck the crown along the circumferential extension of rotor, described identification slot is positioned on crown, the periphery of described identification slot is continuously and closed.
5. according to the rotor described in claim 1 to 4 any one, it is characterized in that: described rotor comprises 6 utmost point teeth.
6. rotor according to claim 5, is characterized in that: described rotor is provided with 2 or 3 fixing holes.
7. a motor, comprises stator and is installed in the rotor in stator, it is characterized in that: described stator comprises 2 permanent magnet poles, described rotor is the rotor described in claim 1-6 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210483172.XA CN103840582B (en) | 2012-11-23 | 2012-11-23 | Motor and its rotor |
| DE201320105084 DE202013105084U1 (en) | 2012-11-23 | 2013-11-12 | Runner and electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210483172.XA CN103840582B (en) | 2012-11-23 | 2012-11-23 | Motor and its rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103840582A true CN103840582A (en) | 2014-06-04 |
| CN103840582B CN103840582B (en) | 2017-11-24 |
Family
ID=50235738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210483172.XA Expired - Fee Related CN103840582B (en) | 2012-11-23 | 2012-11-23 | Motor and its rotor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103840582B (en) |
| DE (1) | DE202013105084U1 (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105557A (en) * | 1985-07-25 | 1987-02-04 | 马渊马达株式会社 | Miniature motor |
| US4837473A (en) * | 1987-01-28 | 1989-06-06 | Mabuchi Motor Co., Ltd. | Commutator |
| US5113105A (en) * | 1989-10-30 | 1992-05-12 | Mabuchi Motor Co., Ltd. | Rotor for miniature motors |
| CN1106173A (en) * | 1993-10-20 | 1995-08-02 | 马渊马达株式会社 | Miniature motor |
| CN1217602A (en) * | 1997-08-11 | 1999-05-26 | 株式会社三协精机制作所 | DC. Electric motor |
| JPH11299179A (en) * | 1998-04-08 | 1999-10-29 | Asmo Co Ltd | Armature |
| CN2653761Y (en) * | 2003-10-15 | 2004-11-03 | 湖州鸿远电机有限公司 | Tubular motor |
| CN1705184A (en) * | 2004-05-31 | 2005-12-07 | 比亚迪股份有限公司 | Motor stator and rotor core |
| CN2872721Y (en) * | 2006-01-12 | 2007-02-21 | 江苏超力电器有限公司 | Electrically-aided steering permanent-magnetic DC brush motor of automobile |
| CN101860132A (en) * | 2010-04-19 | 2010-10-13 | 江苏爱尔玛电机制造有限公司 | Tool for pressing and welding rotor core of rare earth permanent magnet synchronous motor |
| CN202190189U (en) * | 2011-08-31 | 2012-04-11 | 林泉航天电机有限公司 | Self-centering rotor core stacking mold |
| CN102480204A (en) * | 2010-11-26 | 2012-05-30 | 中山大洋电机股份有限公司 | Rotor assembly |
| CN102913413A (en) * | 2011-07-11 | 2013-02-06 | 日信工业株式会社 | Motor pump |
-
2012
- 2012-11-23 CN CN201210483172.XA patent/CN103840582B/en not_active Expired - Fee Related
-
2013
- 2013-11-12 DE DE201320105084 patent/DE202013105084U1/en not_active Expired - Lifetime
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105557A (en) * | 1985-07-25 | 1987-02-04 | 马渊马达株式会社 | Miniature motor |
| US4837473A (en) * | 1987-01-28 | 1989-06-06 | Mabuchi Motor Co., Ltd. | Commutator |
| US5113105A (en) * | 1989-10-30 | 1992-05-12 | Mabuchi Motor Co., Ltd. | Rotor for miniature motors |
| CN1106173A (en) * | 1993-10-20 | 1995-08-02 | 马渊马达株式会社 | Miniature motor |
| CN1217602A (en) * | 1997-08-11 | 1999-05-26 | 株式会社三协精机制作所 | DC. Electric motor |
| JPH11299179A (en) * | 1998-04-08 | 1999-10-29 | Asmo Co Ltd | Armature |
| CN2653761Y (en) * | 2003-10-15 | 2004-11-03 | 湖州鸿远电机有限公司 | Tubular motor |
| CN1705184A (en) * | 2004-05-31 | 2005-12-07 | 比亚迪股份有限公司 | Motor stator and rotor core |
| CN2872721Y (en) * | 2006-01-12 | 2007-02-21 | 江苏超力电器有限公司 | Electrically-aided steering permanent-magnetic DC brush motor of automobile |
| CN101860132A (en) * | 2010-04-19 | 2010-10-13 | 江苏爱尔玛电机制造有限公司 | Tool for pressing and welding rotor core of rare earth permanent magnet synchronous motor |
| CN102480204A (en) * | 2010-11-26 | 2012-05-30 | 中山大洋电机股份有限公司 | Rotor assembly |
| CN102913413A (en) * | 2011-07-11 | 2013-02-06 | 日信工业株式会社 | Motor pump |
| CN202190189U (en) * | 2011-08-31 | 2012-04-11 | 林泉航天电机有限公司 | Self-centering rotor core stacking mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103840582B (en) | 2017-11-24 |
| DE202013105084U1 (en) | 2014-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190930 Address after: 529000 Donghai Road 888, Jianghai District, Jiangmen City, Guangdong Province Patentee after: Dechang Electric Machinery (Jiangmen) Co.,Ltd. Address before: Two new industrial village in Baoan District Shenzhen City manhole town of Guangdong Province in 518125 Patentee before: JOHNSON ELECTRIC (SHENZHEN) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |