CN102480204A - Rotor assembly - Google Patents
Rotor assembly Download PDFInfo
- Publication number
- CN102480204A CN102480204A CN2010105751441A CN201010575144A CN102480204A CN 102480204 A CN102480204 A CN 102480204A CN 2010105751441 A CN2010105751441 A CN 2010105751441A CN 201010575144 A CN201010575144 A CN 201010575144A CN 102480204 A CN102480204 A CN 102480204A
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- magnet ring
- ring support
- rotor assembly
- magnet
- assembly according
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a rotor assembly. The rotor assembly comprises: a rotating shaft (1), a rotor core (2) and several permanent magnets (3) installed on an outer side surface of the rotor core (2). The rotating shaft (1) passes through a through hole (44) of a magnet ring support (4). An outer edge of the magnet ring support (4) is extended so as to form several positioning division plates (41). The positioning division plates (41) are clamped between two adjacent permanent magnets (3). The magnet ring support (4) is provided with a positioning boss (42). A magnet ring (5) equipped with a positioning card slot (51) is clamped on the magnet ring support (4). The rotor assembly has a simple structure. Installation is convenient. Spaces between the permanent magnets are uniform. An end surface magnetic field corresponds accurately to a main magnetic field.
Description
Technical field:
The present invention relates to a kind of rotor assembly, belong to machine field.
Background technology:
At present; The rotor assembly of dc brushless motor (BLDC MOTOR) includes only rotating shaft, rotor core, permanent magnet mostly, and the multi-disc permanent magnet sticks on the rotor; Because of permanent magnet itself has magnetic; In taping process, cause inhomogeneous between permanent magnet easily, finally cause the inhomogeneous of magnetic field of permanent magnet waveform, make motor properties and noise all can receive very big influence; And the magnetic field induction mode of traditional dc brushless motor rotor; Be the direct inductiopn rotor of the plug-in type Hall element magnetic field that utilizes on the wiring board mostly; This mode seems simply, and still, reliability is relatively poor relatively; Hall element damages easily in turnover and assembling process, directly causes the inefficacy of machine operation.
Summary of the invention:
The purpose of this invention is to provide a kind of rotor assembly, through on rotor, increasing a locating support, make the permanent magnet installing space even, end face induced field and rotor main field are accurately corresponding, simple in structure, easy for installation.
The objective of the invention is to be achieved through following technical scheme.
A kind of rotor assembly; Comprise rotating shaft, rotor core and be installed in some permanent magnets of rotor core lateral surface, the through hole of magnet ring support is passed in rotating shaft; Magnet ring support outer ledge extends some grid spacers; Grid spacer is installed between adjacent two permanent magnets, also is provided with positioning boss on the magnet ring support, and the magnet ring that is provided with locating groove is installed on the magnet ring support.
Above-mentioned described magnet ring support bottom surface is provided with some fixture blocks, and fixture block is nested in the balancing hole on the rotor core.
Above-mentioned described magnet ring bracket edge protrusion annular ring, positioning boss is arranged on the annular ring inwall, in the middle of annular ring, forms groove, and magnet ring is nested in the groove the inside.
The magnetic pole of above-mentioned described magnet ring is corresponding with the magnetic pole of permanent magnet.
The quantity of above-mentioned described grid spacer equates with the quantity of permanent magnet.
Above-mentioned described grid spacer evenly circumferentially is distributed on the magnet ring support.
The quantity of above-mentioned described some fixture blocks is 4.
The quantity of above-mentioned described some grid spacers is 8, and the quantity of permanent magnet also is 8.
The present invention's beneficial effect compared with prior art is: 1) through hole of magnet ring support is passed in rotating shaft, and magnet ring support outer ledge extends some grid spacers, and grid spacer is installed between adjacent two permanent magnets; Make the permanent magnet installing space even, the main field waveform is even, and motor properties is greatly improved; Noise significantly reduces; Prolong the machine operation life-span, and easy for installation, simple in structure; 2) also be provided with positioning boss on the magnet ring support; The magnet ring that is provided with locating groove is installed on the magnet ring support, and the magnetic pole of magnet ring is corresponding with the magnetic pole of permanent magnet, reduces the operation that motor is installed the pairing magnetic pole; End face induced field and rotor main field are accurately corresponding, enhance productivity; 3) quantity of grid spacer equates with the quantity of permanent magnet, evenly circumferentially is distributed on the magnet ring support, makes the permanent magnet accurate positioning, and spacing is even.
Description of drawings:
Fig. 1 is a stereogram of the present invention;
Fig. 2 is an exploded view of the present invention;
Fig. 3 is the A-A partial enlarged drawing of Fig. 1;
Fig. 4 is a cutaway view of the present invention;
Fig. 5 is a magnet ring support stereogram of the present invention.
Embodiment:
Below through specific embodiment and combine accompanying drawing that the present invention is described in further detail.
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, a kind of rotor assembly of the present invention comprises rotating shaft 1, rotor core 2; With the some permanent magnets 3 that are installed in rotor core 2 lateral surfaces; The through hole 44 of magnet ring support 4 is passed in rotating shaft 1, and magnet ring support 4 outer ledges extend some grid spacers 41, and grid spacer 41 is installed between adjacent two permanent magnets 3; Also be provided with positioning boss 42 on the magnet ring support 4, the magnet ring 5 that is provided with locating groove 51 is installed on the magnet ring support 4; Magnet ring support 4 bottom surfaces are provided with some fixture blocks 43, and fixture block 43 is nested in the balancing hole 21 on the rotor core 2; Magnet ring support 4 edges protrusion annular ring 45, positioning boss 42 is arranged on annular ring 45 inwalls, in the middle of annular ring 45, forms groove 46, and magnet ring 5 is nested in groove 46 the insides; The magnetic pole of magnet ring 5 is corresponding with the magnetic pole of permanent magnet 3; The quantity of grid spacer 41 equates with the quantity of permanent magnet 3; Grid spacer 41 evenly circumferentially is distributed on the magnet ring support 4; The quantity of some fixture blocks 43 is 4; The quantity of some grid spacers 41 is 8, and the quantity of permanent magnet 3 also is 8.
The through hole 44 of magnet ring support 4 is passed in rotating shaft 1 of the present invention; Magnet ring support 4 outer ledges extend some grid spacers 41, and grid spacer 41 is installed between adjacent two permanent magnets 3, makes the spacing between the permanent magnet even; Field waveform is even, prolongs the machine operation life-span; Also be provided with positioning boss 42 on the magnet ring support 4, the magnet ring 5 that is provided with locating groove 51 is installed on the magnet ring support 4, and the magnetic pole of magnet ring 5 is corresponding with the magnetic pole of permanent magnet 3, reduces the operation that motor is installed the pairing magnetic pole, enhances productivity; Magnet ring support 4 edges protrusion annular ring 45; Positioning boss 42 is arranged on annular ring 45 inwalls, in the middle of annular ring 45, forms groove 46, and magnet ring 5 is nested in groove 46 the insides; Make SMD Hall element induction magnetic pole accurately, conveniently, positioning boss 42 is nested in locating groove 51 the insides.
Claims (8)
1. rotor assembly; Comprise rotating shaft (1), rotor core (2) and be installed in some permanent magnets (3) of rotor core (2) lateral surface, it is characterized in that: the through hole (44) of magnet ring support (4) is passed in rotating shaft (1); Magnet ring support (4) outer ledge extends some grid spacers (41); Grid spacer (41) is installed between adjacent two permanent magnets (3), also is provided with positioning boss (42) on the magnet ring support (4), and the magnet ring (5) that is provided with locating groove (51) is installed on the magnet ring support (4).
2. a kind of rotor assembly according to claim 1 is characterized in that: magnet ring support (4) bottom surface is provided with some fixture blocks (43), and fixture block (43) is nested in the balancing hole (21) on the rotor core (2).
3. a kind of rotor assembly according to claim 1 and 2; It is characterized in that: magnet ring support (4) edge protrusion annular ring (45); Positioning boss (42) is arranged on annular ring (45) inwall, in the middle of annular ring (45), forms groove (46), and magnet ring (5) is nested in groove (46) the inside.
4. a kind of rotor assembly according to claim 3 is characterized in that: the magnetic pole of magnet ring (5) is corresponding with the magnetic pole of permanent magnet (3).
5. a kind of rotor assembly according to claim 3 is characterized in that: the quantity of grid spacer (41) equates with the quantity of permanent magnet (3).
6. a kind of rotor assembly according to claim 3 is characterized in that: grid spacer (41) evenly circumferentially is distributed on the magnet ring support (4).
7. a kind of rotor assembly according to claim 2 is characterized in that: the quantity of some fixture blocks (43) is 4.
8. a kind of rotor assembly according to claim 4 is characterized in that: the quantity of some grid spacers (41) is 8, and the quantity of permanent magnet (3) also is 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010575144.1A CN102480204B (en) | 2010-11-26 | 2010-11-26 | Rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010575144.1A CN102480204B (en) | 2010-11-26 | 2010-11-26 | Rotor assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102480204A true CN102480204A (en) | 2012-05-30 |
| CN102480204B CN102480204B (en) | 2015-04-29 |
Family
ID=46092728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010575144.1A Active CN102480204B (en) | 2010-11-26 | 2010-11-26 | Rotor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102480204B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738953A (en) * | 2012-06-29 | 2012-10-17 | 卧龙电气集团股份有限公司 | Bearing-free servo motor used for industrial sewing machine |
| CN103840582A (en) * | 2012-11-23 | 2014-06-04 | 德昌电机(深圳)有限公司 | Motor and rotor thereof |
| CN103855824A (en) * | 2012-11-30 | 2014-06-11 | 中山大洋电机股份有限公司 | Motor rotor assembly |
| CN104617731A (en) * | 2015-03-04 | 2015-05-13 | 余姚市爱优特电机有限公司 | Assembling structure for sensing magnetic ring and rotating shaft of motor rotor |
| CN106787311A (en) * | 2016-11-24 | 2017-05-31 | 广东威灵电机制造有限公司 | Rotor and motor |
| CN108968725A (en) * | 2018-04-27 | 2018-12-11 | 美的集团股份有限公司 | Knife assembly and wall-breaking machine with it |
| CN114552821A (en) * | 2022-04-26 | 2022-05-27 | 深圳市好盈科技有限公司 | Motor and electronic toy |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2377762Y (en) * | 1998-11-02 | 2000-05-10 | 万德鸿 | Mechanoelectric integrated permanent-magnet brushless electric machine |
| CN2706943Y (en) * | 2004-05-24 | 2005-06-29 | 广东威灵电机制造有限公司 | Permanent magnetic rotor for motor |
| US20080143198A1 (en) * | 2006-12-18 | 2008-06-19 | Zhongshan Broad-Ocean Motor Co., Ltd. | Shock absorbing connector |
| CN101359847A (en) * | 2008-09-27 | 2009-02-04 | 沈阳工业大学 | Combined rotor structure of permanent magnet wind power generator |
| CN201204507Y (en) * | 2008-04-16 | 2009-03-04 | 佛山市南海区东唐电机厂 | DC brushless outer rotor motor |
| CN201266873Y (en) * | 2008-08-27 | 2009-07-01 | 比亚迪股份有限公司 | Motor structure with brush |
| CN201601588U (en) * | 2009-12-23 | 2010-10-06 | 昆山永恒盛工业技术有限公司 | Permanent-magnet synchronous motor with low rotating speed and large torque |
-
2010
- 2010-11-26 CN CN201010575144.1A patent/CN102480204B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2377762Y (en) * | 1998-11-02 | 2000-05-10 | 万德鸿 | Mechanoelectric integrated permanent-magnet brushless electric machine |
| CN2706943Y (en) * | 2004-05-24 | 2005-06-29 | 广东威灵电机制造有限公司 | Permanent magnetic rotor for motor |
| US20080143198A1 (en) * | 2006-12-18 | 2008-06-19 | Zhongshan Broad-Ocean Motor Co., Ltd. | Shock absorbing connector |
| CN201204507Y (en) * | 2008-04-16 | 2009-03-04 | 佛山市南海区东唐电机厂 | DC brushless outer rotor motor |
| CN201266873Y (en) * | 2008-08-27 | 2009-07-01 | 比亚迪股份有限公司 | Motor structure with brush |
| CN101359847A (en) * | 2008-09-27 | 2009-02-04 | 沈阳工业大学 | Combined rotor structure of permanent magnet wind power generator |
| CN201601588U (en) * | 2009-12-23 | 2010-10-06 | 昆山永恒盛工业技术有限公司 | Permanent-magnet synchronous motor with low rotating speed and large torque |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738953A (en) * | 2012-06-29 | 2012-10-17 | 卧龙电气集团股份有限公司 | Bearing-free servo motor used for industrial sewing machine |
| CN103840582A (en) * | 2012-11-23 | 2014-06-04 | 德昌电机(深圳)有限公司 | Motor and rotor thereof |
| CN103840582B (en) * | 2012-11-23 | 2017-11-24 | 德昌电机(深圳)有限公司 | Motor and its rotor |
| CN103855824A (en) * | 2012-11-30 | 2014-06-11 | 中山大洋电机股份有限公司 | Motor rotor assembly |
| CN103855824B (en) * | 2012-11-30 | 2016-06-22 | 中山大洋电机股份有限公司 | A kind of motor rotor component |
| CN104617731A (en) * | 2015-03-04 | 2015-05-13 | 余姚市爱优特电机有限公司 | Assembling structure for sensing magnetic ring and rotating shaft of motor rotor |
| CN106787311A (en) * | 2016-11-24 | 2017-05-31 | 广东威灵电机制造有限公司 | Rotor and motor |
| CN108968725A (en) * | 2018-04-27 | 2018-12-11 | 美的集团股份有限公司 | Knife assembly and wall-breaking machine with it |
| CN114552821A (en) * | 2022-04-26 | 2022-05-27 | 深圳市好盈科技有限公司 | Motor and electronic toy |
| CN114552821B (en) * | 2022-04-26 | 2022-07-19 | 深圳市好盈科技有限公司 | Motor and electric toy |
| US11794123B1 (en) | 2022-04-26 | 2023-10-24 | Shenzhen Hobbywing Technology Co., Ltd. | Electric motor and electric toy |
| EP4270735A1 (en) * | 2022-04-26 | 2023-11-01 | Shenzhen Hobbywing Technology Co., Ltd. | An electric motor and an electric toy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102480204B (en) | 2015-04-29 |
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