CN203859593U - Outer rotor direct current motor and motor outer rotor assembly - Google Patents
Outer rotor direct current motor and motor outer rotor assembly Download PDFInfo
- Publication number
- CN203859593U CN203859593U CN201420220427.8U CN201420220427U CN203859593U CN 203859593 U CN203859593 U CN 203859593U CN 201420220427 U CN201420220427 U CN 201420220427U CN 203859593 U CN203859593 U CN 203859593U
- Authority
- CN
- China
- Prior art keywords
- outer rotor
- motor
- steel sheet
- silicon steel
- permanent magnet
- 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
Links
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 47
- 238000004663 powder metallurgy Methods 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- 239000004830 Super Glue Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The embodiment of the utility model discloses an outer rotor direct current motor and a motor outer rotor assembly. The motor outer rotor assembly includes a tubular silicon steel sheet and a plurality of permanent magnets; a plurality of grooves along the axial direction of the tube are formed in the inner surface of the silicon steel sheet; protruding magnet supports formed through powder metallurgy molding are fixed to the outer surfaces of the permanent magnets; and the magnet supports on the permanent magnets are arranged in the grooves in the silicon steel sheet, so that the permanent magnets can be adsorbed at fixed positions at the inner surface of the silicon steel sheet. Accordingly, the utility model also discloses the outer rotor direct current motor. With the outer rotor direct current motor and the motor outer rotor assembly of the utility model adopted, the permanent magnets in the motor can be adsorbed at the fixed positions at the inner surface of the silicon steel sheet, and therefore, motor vibration and noises caused by the vibration can be reduced.
Description
Technical field
The utility model relates to motor technology field, relates in particular to a kind of outer rotor DC motor and motor outer rotor assembly.
Background technology
Motor mainly consists of stator and the main part of rotor two, and wherein, coil is as stator, and permanent magnet is called as outer rotor DC motor as the motor of rotor, and outer rotor DC motor is widely used in electric motor car, electrical equipment and lathe equipments.In addition, silicon steel sheet is widely used in outer rotor DC motor as the minimum alloy of a kind of magnetic resistance.The silicon steel sheet being set on permanent magnet can play magnetic conduction effect, reduces the eddy current loss of motor, thereby improves the operating efficiency of motor.
In existing outer rotor DC motor, permanent magnet is directly adsorbed on the inner surface of silicon steel sheet, easily becomes flexible and is difficult for layout, and can cause motor oscillating and bring noise.
Utility model content
The utility model embodiment technical problem to be solved is, a kind of outer rotor DC motor and motor outer rotor assembly are provided, can realize the fixed position that the permanent magnet in motor is adsorbed on to the inner surface of silicon steel sheet, reduce the noise that motor oscillating and vibration bring.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of outer rotor DC motor, described outer rotor DC motor comprises internal stator assembly, outer rotor component and shell, described outer rotor component is set on described internal stator, described shell is wrapped on described outer rotor component, described outer rotor component comprises silicon steel sheet and a plurality of permanent magnet of tubulose, wherein:
The inner surface of described silicon steel sheet is provided with a plurality of grooves along tube axial direction, the outer surface of described permanent magnet is fixed with the magnet carrier of protruding powder metallurgy forming, and the described magnet carrier on described permanent magnet is placed in the described groove on described silicon steel sheet so that described permanent magnet is adsorbed on the fixed position of the inner surface of described silicon steel sheet.
Correspondingly, the utility model embodiment also provides a kind of motor outer rotor assembly, and described motor outer rotor assembly comprises silicon steel sheet and a plurality of permanent magnet of tubulose, wherein:
The inner surface of described silicon steel sheet is provided with a plurality of grooves along tube axial direction, the outer surface of described permanent magnet is fixed with the magnet carrier of protruding powder metallurgy forming, and the described magnet carrier on described permanent magnet is placed in the described groove on described silicon steel sheet so that described permanent magnet is adsorbed on the fixed position of the inner surface of described silicon steel sheet.
Implement the utility model embodiment, there is following beneficial effect: the utility model embodiment is provided with magnet carrier at the outer surface of permanent magnet, during permanent magnet absorption silicon steel sheet, magnet carrier is placed in the groove of silicon steel sheet, thereby make permanent magnet be adsorbed on the fixed position of the inner surface of silicon steel sheet, can realize and reduce the noise that motor oscillating and vibration bring, and facilitate permanent magnet to be assembled in motor.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of outer rotor DC motor of providing of the utility model embodiment;
Fig. 2 is the structural representation of a kind of motor outer rotor assembly of providing of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation of a kind of outer rotor DC motor in the utility model embodiment.Outer rotor DC motor in the utility model embodiment at least can comprise outer rotor component 10, internal stator assembly 20 and shell 30 as shown in the figure, outer rotor component 10 is set on internal stator assembly 20, shell 30 is wrapped on outer rotor component 10, outer rotor component 10 at least can comprise silicon steel sheet 11 and a plurality of permanent magnet 12 of tubulose, wherein:.
Further, refer to Fig. 2, Fig. 2 is the structural representation of a kind of motor outer rotor assembly in the utility model embodiment.Outer rotor component 10 in the utility model embodiment at least can comprise silicon steel sheet 11 and a plurality of permanent magnet 12 of tubulose as shown in the figure, wherein:
Silicon steel sheet 11 is circular tube shaped, and the inner surface of silicon steel sheet 11 is provided with a plurality of grooves along tube axial direction, as shown in Figure 2 32 of example, and groove is evenly distributed on the inner surface of silicon steel sheet 11, and each groove is the large dovetail groove in the young end.
Permanent magnet 12 can be the magnet of rare-earth Nd-Fe-B material.The outer surface of permanent magnet 12 is the inner surface with laminating silicon steel sheet 11 with radian generally, as shown in Figure 2.The outer surface of permanent magnet 12 is fixed with the magnet carrier 13 of protruding powder metallurgy forming, wherein, between permanent magnet 12 and magnet carrier 13, by seccotine or alternate manner, fixes, and refers to the amplifier section in Fig. 2.
Magnet carrier 13 on permanent magnet 12 is placed in the groove on silicon steel sheet 11 so that permanent magnet 12 is adsorbed on the fixed position of the inner surface of silicon steel sheet 11.It is pointed out that the magnet carrier 13 on permanent magnet 12 inserts after groove along tube axial direction, because groove is the large dovetail groove in the young end, magnet carrier 13 is difficult for coming off in groove, and then has avoided the displacement of permanent magnet 12 along silicon steel sheet 11 inner surfaces.Especially, according to the needs of different outer rotor DC motors, only need, in number and the position of the pre-designed groove of inner surface of silicon steel sheet 11, just corresponding permanent magnet 12 can be adsorbed on to the fixed position of the inner surface of silicon steel sheet 11.In addition, the polarity of two adjacent permanent magnet of inner surface that is adsorbed on silicon steel sheet 11 is different, and the South Pole and the arctic are alternate.
In sum, the manufacture method of the outer rotor component of the utility model embodiment can be:
S101, makes the silicon steel sheet 11 of inner surface belt groove.
S102, at the outer surface of permanent magnet 12 by super glue or alternate manner fixed magnets support 13.
S103, inserts groove by the magnet carrier on permanent magnet 12 13 along tube axial direction.
The utility model embodiment is provided with magnet carrier at the outer surface of permanent magnet, during permanent magnet absorption silicon steel sheet, magnet carrier is placed in the groove of silicon steel sheet, thereby make permanent magnet be adsorbed on the fixed position of the inner surface of silicon steel sheet, can realize and reduce the noise that motor oscillating and vibration bring, and facilitate permanent magnet to be assembled in motor.
Above disclosed is only the utility model preferred embodiment, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (6)
1. an outer rotor DC motor, it is characterized in that, described outer rotor DC motor comprises internal stator assembly, outer rotor component and shell, described outer rotor component is set on described internal stator assembly, described shell is wrapped on described outer rotor component, described outer rotor component comprises silicon steel sheet and a plurality of permanent magnet of tubulose, wherein:
The inner surface of described silicon steel sheet is provided with a plurality of grooves along tube axial direction, the outer surface of described permanent magnet is fixed with the magnet carrier of protruding powder metallurgy forming, and the described magnet carrier on described permanent magnet is placed in the described groove on described silicon steel sheet so that described permanent magnet is adsorbed on the fixed position of the inner surface of described silicon steel sheet.
2. outer rotor DC motor as claimed in claim 1, is characterized in that, described groove is the large dovetail groove in the young end.
3. outer rotor DC motor as claimed in claim 1, is characterized in that, described a plurality of grooves are evenly distributed on the inner surface of described silicon steel sheet.
4. outer rotor DC motor as claimed in claim 1, is characterized in that, described silicon steel sheet is circular tube shaped.
5. the outer rotor DC motor as described in claim 1-4 any one, its characteristic is, the polarity of two adjacent permanent magnet of inner surface that is adsorbed on described silicon steel sheet is different.
6. a motor outer rotor assembly, is characterized in that, described motor outer rotor assembly comprises silicon steel sheet and a plurality of permanent magnet of tubulose, wherein:
The inner surface of described silicon steel sheet is provided with a plurality of grooves along tube axial direction, the outer surface of described permanent magnet is fixed with the magnet carrier of protruding powder metallurgy forming, and the described magnet carrier on described permanent magnet is placed in the described groove on described silicon steel sheet so that described permanent magnet is adsorbed on the fixed position of the inner surface of described silicon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220427.8U CN203859593U (en) | 2014-04-30 | 2014-04-30 | Outer rotor direct current motor and motor outer rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220427.8U CN203859593U (en) | 2014-04-30 | 2014-04-30 | Outer rotor direct current motor and motor outer rotor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859593U true CN203859593U (en) | 2014-10-01 |
Family
ID=51609432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420220427.8U Expired - Lifetime CN203859593U (en) | 2014-04-30 | 2014-04-30 | Outer rotor direct current motor and motor outer rotor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203859593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141052A (en) * | 2015-09-10 | 2015-12-09 | 中国科学院声学研究所 | Permanent magnet direct current motor and method for assembling the same |
-
2014
- 2014-04-30 CN CN201420220427.8U patent/CN203859593U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141052A (en) * | 2015-09-10 | 2015-12-09 | 中国科学院声学研究所 | Permanent magnet direct current motor and method for assembling the same |
| CN105141052B (en) * | 2015-09-10 | 2018-03-30 | 中国科学院声学研究所 | The assembly method of permanent magnet DC motor and permanent magnet DC motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170822 Address after: 518000, No. 8, sunrise Road, third industrial zone, Luotian community, Yan Yan Street, Shenzhen, Guangdong, Baoan District Patentee after: Hairishen Electrical Appliance Products (Shenzhen) Co.,Ltd. Address before: 518000, No. 8, sunrise Road, third industrial district, Songgang street, Baoan District, Guangdong, Shenzhen, Luotian Patentee before: Xinling Electrical Bicycle (Shenzhen) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200605 Address after: 213000 No.63 Longzi Road, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee after: Hairisheng automobile electronic technology (Changzhou) Co.,Ltd. Address before: 518000 Guangdong Shenzhen Baoan District Baoan District Yan Luo street Luotian community Third Industrial Area Sun Sheng Road 8 Patentee before: Hairishen Electrical Appliance Products (Shenzhen) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |
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| CX01 | Expiry of patent term |