CN202068305U - Novel rotor component - Google Patents
Novel rotor component Download PDFInfo
- Publication number
- CN202068305U CN202068305U CN2011201844095U CN201120184409U CN202068305U CN 202068305 U CN202068305 U CN 202068305U CN 2011201844095 U CN2011201844095 U CN 2011201844095U CN 201120184409 U CN201120184409 U CN 201120184409U CN 202068305 U CN202068305 U CN 202068305U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- inner sleeve
- guiding loop
- link
- magnetic guiding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a novel rotor component, which comprises a rotating shaft (1), a plurality of permanent magnets (4), a connecting frame (2) and a magnetic-conductive ring (3) mounted on the connecting frame (2), wherein, the connecting frame (2) is sleeved on the rotating shaft (1); the plurality of permanent magnets (4) are arranged on the outer side surface of the magnetic-conductive ring (3); the connecting frame (2) is arranged on the rotating shaft (1) and the magnetic-conductive ring (3) through injection moulding or founding so as to form a whole; and the rotating shaft and the magnetic-conductive ring are integrally connected through the connecting frame, so that the binding force between the rotating shaft and other components is improved.
Description
Technical field:
The utility model relates to a kind of novel rotor assembly, belongs to the brushless electric machine field.
Background technology:
At present, the rotor assembly of motor, generally include rotating shaft, rotor core and some permanent magnets, rotor core is installed in the rotating shaft, some permanent magnets are arranged on the rotor core periphery, traditional rotor core generally adopts metal material to make, cause to be connected between rotor core and rotating shaft and have the slit, adhesion is not enough, cause rotating shaft to get loose easily, and this rotor core manufacturing cost is higher, the magnetic field that permanent magnet produces is delivered in the rotating shaft by rotor core easily, cause the motor shaft electromotive force to increase, influence the motor operate as normal.
Summary of the invention:
The purpose of this utility model provides a kind of novel rotor assembly, by link rotating shaft is connected one with magnetic guiding loop, improve rotating shaft and other combination of components power, and this is simple in structure, and is with low cost.
The purpose of this utility model is to be achieved by following technical scheme.
A kind of novel rotor assembly, comprise rotating shaft and some permanent magnets, also comprise link and the magnetic guiding loop that is installed on the link, link is connected in the rotating shaft, some permanent magnets are arranged on the lateral surface of magnetic guiding loop, thereby link is injection moulding or is cast in formation one on rotating shaft, the magnetic guiding loop.
Above-mentioned described link comprises inner sleeve, connecting portion and installation portion, and inner sleeve is arranged in the rotating shaft, and connecting portion connects inner sleeve and installation portion, and magnetic guiding loop is installed on the installation portion.
Above-mentioned described installation portion comprises annulus and extends some positioning tooths from the annulus lateral surface, is provided with cavity in the middle of the positioning tooth, and magnetic guiding loop places the cavity the inside, and permanent magnet is installed in the middle of adjacent two positioning tooths.
Above-mentioned described end at connecting portion or installation portion or positioning tooth is provided with boss, and reaction magnetic ring is installed on the boss.
Above-mentioned described connecting portion comprises some arcs, and some arcs evenly circumferentially are distributed between inner sleeve and the installation portion, and the arc end is connected the outer surface of inner sleeve, and the arc afterbody is connected the interior sidewall surface of annulus.
Above-mentioned described rotating shaft outside wall surface is provided with annular knurl, and annular knurl and inner sleeve inwall are chimeric, and in the middle of the annular knurl, offer through hole in the rotating shaft, straight pin passes through hole and is wrapped in the inner sleeve.
The end of above-mentioned described magnetic guiding loop or bottom offer some grooves, and the position of groove is corresponding with positioning tooth, and positioning tooth embeds in the groove.
The material of making of above-mentioned described magnetic guiding loop is steel.
The material of making of above-mentioned described link is plastic cement or magnetic conduction aluminium not.
The utility model beneficial effect compared with prior art is: 1) link is connected in the rotating shaft, some permanent magnets are arranged on the lateral surface of magnetic guiding loop, thereby link is injection moulding or is cast in formation one on rotating shaft, the magnetic guiding loop, improves rotating shaft and other combination of components power; 2) material of making of link is plastic cement or magnetic conduction aluminium not, and is with low cost, can save 50% above material cost, reduces on the permanent magnet magnetic field and passes in the rotating shaft, reduces brushless electric machine axle electromotive force, guarantees that motor normally moves; 3) link comprises inner sleeve, connecting portion and installation portion, and inner sleeve is arranged in the rotating shaft, and connecting portion connects inner sleeve and installation portion, and magnetic guiding loop is installed in the installation portion lateral surface, and is simple in structure, reasonable in design; 4) installation portion comprises annulus and extends some positioning tooths from the annulus lateral surface, be provided with cavity in the middle of the positioning tooth, magnetic guiding loop places the cavity the inside, and permanent magnet is installed in the middle of adjacent two positioning tooths, reduce leakage field between adjacent permanent magnet, promote the magnetic field utilance; 5) end of connecting portion or installation portion or positioning tooth is provided with boss, and reaction magnetic ring is installed on the boss, and is simple in structure, easy for installation; 6) connecting portion comprises some arcs, some arcs evenly circumferentially are distributed between inner sleeve and the installation portion, the arc end is connected the outer surface of inner sleeve, the arc afterbody is connected the interior sidewall surface of installation portion, arc can be used as fan blade motor is dispelled the heat, and improves the motor radiating effect; 7) rotating shaft outside wall surface is provided with annular knurl, and annular knurl and inner sleeve inwall are chimeric, and in the middle of the annular knurl, offer through hole in the rotating shaft, straight pin passes through hole and is wrapped in the inner sleeve, makes rotating shaft and link adhesion bigger, and structure is more fastening; 8) end of magnetic guiding loop or bottom offer some grooves, and the position of groove is corresponding with positioning tooth, and positioning tooth embeds in the groove, and it is more fastening that link is combined with magnetic guiding loop; 9) material of making of magnetic guiding loop is steel, owing to be metal material, plays the magnetic conduction effect.
Description of drawings:
Fig. 1 is the stereogram of the utility model embodiment one;
Fig. 2 is the exploded view of the utility model embodiment one;
Fig. 3 is the structural representation of the utility model embodiment one;
Fig. 4 is an A-A cutaway view among Fig. 3;
Fig. 5 is a B-B cutaway view among Fig. 3;
Fig. 6 is the stereogram of the utility model embodiment two;
Fig. 7 is the exploded view of the utility model embodiment two;
Fig. 8 is the structural representation of the utility model embodiment two
Fig. 9 is a C-C cutaway view among Fig. 8.
Embodiment:
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one, as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, a kind of novel rotor assembly of the present utility model, comprise rotating shaft 1 and some permanent magnets 4, also comprise link 2 and the magnetic guiding loop 3 that is installed on the link 2, link 2 is connected in the rotating shaft 1, and some permanent magnets 4 are arranged on the lateral surface of magnetic guiding loop 3, thereby link 2 is injection mouldings or is cast in formation one on rotating shaft 1, the magnetic guiding loop 3; Described link 2 comprises inner sleeve 21, connecting portion 22 and installation portion 23, and inner sleeve 21 is arranged in the rotating shaft 1, and connecting portion 22 connects inner sleeve 21 and installation portion 23, and magnetic guiding loop 3 is installed on the installation portion 23; Installation portion 23 comprises annulus 230 and extends some positioning tooths 24 from annulus 230 lateral surfaces, is provided with cavity 240 in the middle of the positioning tooth 24, and magnetic guiding loop 3 places cavity 240 the insides, and permanent magnet 4 is installed in the middle of adjacent two positioning tooths 24; Connecting portion 22 comprises some arcs 220, and some arcs 220 evenly circumferentially are distributed between inner sleeve 21 and the installation portion 23, and arc 220 ends are connected the outer surface of inner sleeve 21, and arc 220 afterbodys are connected the interior sidewall surface of annulus 230; Installation portion 23 is annuluss; Rotating shaft 1 outside wall surface is provided with annular knurl 11, and annular knurl 11 is chimeric with inner sleeve 21 inwalls, offers through hole 12 in annular knurl 11 centres, rotating shaft 1, and straight pin 6 passes through hole 12 and is wrapped in 21 li of inner sleeves; The end of magnetic guiding loop 3 or bottom offer some grooves 31, and the position of groove 31 is corresponding with positioning tooth 24, and positioning tooth 24 embeds 31 li of grooves; The material of making of magnetic guiding loop 3 is steel; The material of making of link 2 is plastic cement or magnetic conduction aluminium not.
Embodiment two, as Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9, a kind of novel rotor assembly of the present utility model, comprise rotating shaft 1 and some permanent magnets 4, also comprise link 2 and the magnetic guiding loop 3 that is installed on the link 2, link 2 is connected in the rotating shaft 1, and some permanent magnets 4 are arranged on the lateral surface of magnetic guiding loop 3, thereby link 2 is injection mouldings or is cast in formation one on rotating shaft 1, the magnetic guiding loop 3; Described link 2 comprises inner sleeve 21, connecting portion 22 and installation portion 23, and inner sleeve 21 is arranged in the rotating shaft 1, and connecting portion 22 connects inner sleeve 21 and installation portion 23, and magnetic guiding loop 3 is installed on the installation portion 23; Installation portion 23 comprises annulus 230 and extends some positioning tooths 24 from annulus 230 lateral surfaces, is provided with cavity 240 in the middle of the positioning tooth 24, and magnetic guiding loop 3 places cavity 240 the insides, and permanent magnet 4 is installed in the middle of adjacent two positioning tooths 24; End at connecting portion 22 or installation portion 23 or positioning tooth 24 is provided with boss 25, and reaction magnetic ring 5 is installed on the boss 25; Connecting portion 22 comprises some arcs 220, and some arcs 220 evenly circumferentially are distributed between inner sleeve 21 and the installation portion 23, and arc 220 ends are connected the outer surface of inner sleeve 21, and arc 220 afterbodys are connected the interior sidewall surface of annulus 230; Installation portion 23 is annuluss; Rotating shaft 1 outside wall surface is provided with annular knurl 11, and annular knurl 11 is chimeric with inner sleeve 21 inwalls, offers through hole 12 in annular knurl 11 centres, rotating shaft 1, and straight pin 6 passes through hole 12 and is wrapped in 21 li of inner sleeves; The end of magnetic guiding loop 3 or bottom offer some grooves 31, and the position of groove 31 is corresponding with positioning tooth 24, and positioning tooth 24 embeds 31 li of grooves; The material of making of magnetic guiding loop 3 is steel; The material of making of link 2 is plastic cement or magnetic conduction aluminium not.
Assembling process of the present utility model is as follows: the utility model rotor assembly comprises rotating shaft 1, link 2, magnetic guiding loop 3, some permanent magnets 4, reaction magnetic ring 5 and alignment pin 6, earlier alignment pin 6 is installed in the rotating shaft 1, be placed on rotating shaft 1 and magnetic guiding loop 3 in the Casting Equipment together again, with link 2 and rotating shaft 1, magnetic guiding loop 3 integrally casting moulding, some permanent magnets 4 are sticked on magnetic guiding loop 3 outer walls, reaction magnetic ring 5 is looked concrete whether installation of operating position decision, this is simple in structure, with low cost, rotating shaft 1 is big with other assembly adhesions of rotor, be difficult for getting loose, guarantee that motor normally moves.
Claims (9)
1. novel rotor assembly, comprise rotating shaft (1) and some permanent magnets (4), it is characterized in that: also comprise link (2) and be installed in magnetic guiding loop (3) on the link (2), link (2) is sleeved in the rotating shaft (1), some permanent magnets (4) are arranged on the lateral surface of magnetic guiding loop (3), and link (2) is injection moulding or is cast in rotating shaft (1), magnetic guiding loop (3) thereby goes up and form one.
2. a kind of novel rotor assembly according to claim 1, it is characterized in that: described link (2) comprises inner sleeve (21), connecting portion (22) and installation portion (23), inner sleeve (21) is sleeved in the rotating shaft (1), connecting portion (22) connects inner sleeve (21) and installation portion (23), and magnetic guiding loop (3) is installed on the installation portion (23).
3. a kind of novel rotor assembly according to claim 2, it is characterized in that: installation portion (23) comprises annulus (230) and extends some positioning tooths (24) from annulus (230) lateral surface, be provided with cavity (240) in the middle of the positioning tooth (24), magnetic guiding loop (3) places cavity (240) the inside, and permanent magnet (4) is installed in the middle of adjacent two positioning tooths (24).
4. a kind of novel rotor assembly according to claim 3 is characterized in that: the end at connecting portion (22) or installation portion (23) or positioning tooth (24) is provided with boss (25), and boss (25) is gone up reaction magnetic ring (5) is installed.
5. according to claim 2 or 3 or 4 described a kind of novel rotor assemblies, it is characterized in that: connecting portion (22) comprises some arcs (220), some arcs (220) evenly circumferentially are distributed between inner sleeve (21) and the installation portion (23), arc (220) end is connected the outer surface of inner sleeve (21), and arc (220) afterbody is connected the interior sidewall surface of annulus (230).
6. a kind of novel rotor assembly according to claim 2, it is characterized in that: rotating shaft (1) outside wall surface is provided with annular knurl (11), annular knurl (11) is chimeric with inner sleeve (21) inwall, offer through hole (12) in annular knurl (11) centre, rotating shaft (1), straight pin (6) passes through hole (12) and is wrapped in inner sleeve (21) lining.
7. a kind of novel rotor assembly according to claim 4 is characterized in that: the end of magnetic guiding loop (3) or bottom offer some grooves (31), and the position of groove (31) is corresponding with positioning tooth (24), and positioning tooth (24) embeds groove (31) lining.
8. a kind of novel rotor assembly according to claim 7 is characterized in that: the material of making of magnetic guiding loop (3) is steel.
9. a kind of novel rotor assembly according to claim 4 is characterized in that: the material of making of link (2) is plastic cement or magnetic conduction aluminium not.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201844095U CN202068305U (en) | 2011-06-02 | 2011-06-02 | Novel rotor component |
| PCT/CN2011/080949 WO2012163012A1 (en) | 2011-06-02 | 2011-10-18 | Rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201844095U CN202068305U (en) | 2011-06-02 | 2011-06-02 | Novel rotor component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202068305U true CN202068305U (en) | 2011-12-07 |
Family
ID=45062156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201844095U Expired - Lifetime CN202068305U (en) | 2011-06-02 | 2011-06-02 | Novel rotor component |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202068305U (en) |
| WO (1) | WO2012163012A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140001911A1 (en) * | 2012-06-29 | 2014-01-02 | Zhongshan Broad-Ocean Motor Co., Ltd. | Rotor assembly |
| CN106451862A (en) * | 2016-12-16 | 2017-02-22 | 合肥巨动力系统有限公司 | Detachable motor rotor structure and designing method thereof |
| CN108134466A (en) * | 2017-12-29 | 2018-06-08 | 成都银河磁体股份有限公司 | Nonlinear type gusset magnet rotor component |
| CN109691908A (en) * | 2017-10-23 | 2019-04-30 | 佛山市顺德区美的电热电器制造有限公司 | Disk, stirring toolbox and food cooking machine |
| CN113364175A (en) * | 2021-05-25 | 2021-09-07 | 浙江亚特电器有限公司 | Modularized embedded motor rotor and motor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869321B (en) * | 2019-03-27 | 2024-03-15 | 中山大洋电机股份有限公司 | Hollow cup rotor water pump and new energy automobile |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11113200A (en) * | 1997-09-30 | 1999-04-23 | Mitsumi Electric Co Ltd | Small-size motor |
| JP2004360499A (en) * | 2003-06-02 | 2004-12-24 | Toyota Industries Corp | Electric compressor |
| CN1996712A (en) * | 2006-11-30 | 2007-07-11 | 吕大明 | A built-in brushless motor |
| CN201708673U (en) * | 2010-07-01 | 2011-01-12 | 中山大洋电机制造有限公司 | Motor rotor system |
-
2011
- 2011-06-02 CN CN2011201844095U patent/CN202068305U/en not_active Expired - Lifetime
- 2011-10-18 WO PCT/CN2011/080949 patent/WO2012163012A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140001911A1 (en) * | 2012-06-29 | 2014-01-02 | Zhongshan Broad-Ocean Motor Co., Ltd. | Rotor assembly |
| CN106451862A (en) * | 2016-12-16 | 2017-02-22 | 合肥巨动力系统有限公司 | Detachable motor rotor structure and designing method thereof |
| CN109691908A (en) * | 2017-10-23 | 2019-04-30 | 佛山市顺德区美的电热电器制造有限公司 | Disk, stirring toolbox and food cooking machine |
| CN108134466A (en) * | 2017-12-29 | 2018-06-08 | 成都银河磁体股份有限公司 | Nonlinear type gusset magnet rotor component |
| CN113364175A (en) * | 2021-05-25 | 2021-09-07 | 浙江亚特电器有限公司 | Modularized embedded motor rotor and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012163012A1 (en) | 2012-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |
|
| CX01 | Expiry of patent term |