CN203278429U - External rotor of direct-drive (DD) motor - Google Patents
External rotor of direct-drive (DD) motor Download PDFInfo
- Publication number
- CN203278429U CN203278429U CN2013203172299U CN201320317229U CN203278429U CN 203278429 U CN203278429 U CN 203278429U CN 2013203172299 U CN2013203172299 U CN 2013203172299U CN 201320317229 U CN201320317229 U CN 201320317229U CN 203278429 U CN203278429 U CN 203278429U
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- Prior art keywords
- rotor
- magnetic shoe
- hole
- periphery
- inserts
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Abstract
The utility model provides the external rotor of a direct-drive (DD) motor, which comprises a rotor insert, rotor magnetic tiles, a rotor iron ring and thermosetting resin. The rotor magnetic tiles are arranged at the inner periphery of the rotor iron ring. A gap is reserved between every two adjacent magnetic tiles respectively. The rotor insert is arranged at the center of the external rotor. The periphery of the rotor insert is provided with a boss structure. The periphery of the boss structure is provided with a plurality of T-shaped beam structures. A through hole is reserved between every two adjacent T-shaped beam structures respectively. The periphery of the through holes is provided with magnetic tile positioning holes. Magnetic tile positioning slots are arranged above the rotor magnetic tiles. The thermosetting resin is plastically packaged at both the inner periphery and the outer periphery of the rotor magnetic tiles, so that the rotor insert, the rotor iron ring and the rotor magnetic tiles are plastically packaged as a whole. According to the technical scheme of the utility model, the external rotor is formed integrally through the injection molding process, so that the rigidity, the strength, and the size precision of the rotor are ensured to be better. Therefore, the rotor is stable in operation and low in noise.
Description
Technical field
The utility model relates to the roller washing machine field, is specifically related to a kind of external rotor of DD direct driving motor.
Background technology
Along with improving constantly of living standard, people propose higher requirement to energy-saving and environmental protection, the performance of washing machine, and roller washing machine is very popular at present.But, present series excited machine complex structure, noise is large, mechanical wear is large, electromagnetic interference by force, easily produces the shortcomings such as spark, has a strong impact on life and reliability; The external-rotor-type brshless DC motor adopts magnetic shoe to be fixedly mounted with and rotor case more, and external rotor running degree of balance margin etc. easily produces vibration and noise.
The utility model content
The utility model provides a kind of external rotor of DD direct driving motor for above-mentioned the deficiencies in the prior art.The external rotor of this DD direct driving motor is integrated injection molding, has guaranteed rigidity, intensity and the higher dimensional accuracy of rotor, has guaranteed that rotor operation is steady, and noise is low.
The utility model is achieved by the following technical solution:
A kind of external rotor of DD direct driving motor comprises rotor inserts, rotor magnetic shoe, rotor iron ring and thermosetting resin; Rotor magnetic shoe is arranged on the inner ring of rotor iron ring, and rotor magnetic shoe is provided with the gap each other; The rotor inserts is positioned at the center of external rotor, the periphery of rotor inserts is provided with boss structure, the periphery of boss structure is provided with a plurality of T-shaped girder constructions, be provided with through hole between adjacent two T-shaped girder constructions, the periphery of through hole is provided with the magnetic shoe location hole, and the top of rotor magnetic shoe is provided with the magnetic shoe location notch that matches with the magnetic shoe location hole; The thermosetting resin plastic packaging is in inner ring and the outer ring of rotor magnetic shoe, rotor inserts, rotor iron ring and rotor magnetic shoe envelope moulded be integrated.
Further setting of the present utility model is, the center of described rotor inserts is provided with the connecting hole that is connected for motor shaft, the below of described connecting hole is provided with the first through hole with the motor shaft location, the periphery of the first through hole evenly is provided with a plurality of the second through holes and a plurality of pawl structure, and through hole is connected tightr that the rotor inserts is connected with thermosetting resin with the pawl structure.
Further setting of the present utility model is, described connecting hole is internal spline structure or square hole structure.
Further setting of the present utility model is, described rotor inserts is the die cast metal molded part.
The utility model provides a kind of external rotor of DD direct driving motor, and this external rotor is integrated injection molding, has guaranteed rigidity, intensity and the higher dimensional accuracy of rotor, thereby has guaranteed that rotor operation is steady, and noise is low.
Description of drawings
Fig. 1 is structure chart of the present utility model;
Fig. 2 is cutaway view of the present utility model;
Fig. 3 is the structure chart of rotor inserts;
Fig. 4 is the cutaway view of rotor inserts;
Fig. 5 is the rotor insert structure figure of (square hole structure).
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
As shown in Fig. 1-5, the utility model provides a kind of external rotor of DD direct driving motor, comprises rotor inserts 1, rotor magnetic shoe 2, rotor iron ring 3 and thermosetting resin 4; Rotor inserts 1 is positioned at the center of external rotor, the outer boss structure 5 that is with of rotor inserts 1, boss structure 5 outer is with a plurality of T-shaped girder constructions 6, strengthen the strength and stiffness of rotor, be provided with through hole 7 between two adjacent T-shaped girder constructions 6, can reduce like this cost of rotor, through hole 7 outer is with a plurality of magnetic shoe location holes 8, there are a plurality of magnetic shoe location notchs 9 top of rotor magnetic shoe 2, and magnetic shoe location hole 8 and magnetic shoe location notch 9 cooperatively interact, and plays positioning action during to rotor magnetic shoe 2 injection moulding;
Described rotor magnetic shoe 2 is arranged on the inner ring of rotor iron ring 3, and rotor magnetic shoe 2 is provided with the gap each other, and thermosetting resin 4 plastic packagings are in inner ring and the outer ring of rotor magnetic shoe 2, rotor inserts 1, rotor iron ring 3 and rotor magnetic shoe 2 envelopes is moulded be integrated.
The center of described rotor inserts 1 is provided with for the connecting hole 111 that is connected with motor shaft, the below of described connecting hole 111 is provided with the first through hole 112 with the motor shaft location, the periphery of the first through hole 112 evenly is provided with a plurality of the second through holes 113 and a plurality of pawl structure 114, and through hole 113 is connected rotor inserts 1 is connected with thermosetting resin connect tightr with the pawl structure.Described connecting hole 111 is internal spline structure or square hole structure.Described rotor inserts 1 is the die cast metal molded part.
It is apparent to one skilled in the art that the utility model can be changed into various ways, and such change is not thought and broken away from scope of the present utility model.The apparent modification of the technical staff to described field that all are such is within being included in the scope of this claim.
Claims (4)
1. the external rotor of a DD direct driving motor, is characterized in that, comprises rotor inserts (1), rotor magnetic shoe (2), rotor iron ring (3) and thermosetting resin (4); Rotor magnetic shoe (2) is arranged on the inner ring of rotor iron ring (3), and rotor magnetic shoe (2) is provided with the gap each other; Rotor inserts (1) is positioned at the center of external rotor, the periphery of rotor inserts (1) is provided with boss structure (5), the periphery of boss structure (5) is provided with a plurality of T-shaped girder constructions (6), be provided with through hole (7) between adjacent two T-shaped girder constructions (6), the periphery of through hole (7) is provided with magnetic shoe location hole (8), and the top of rotor magnetic shoe (2) is provided with the magnetic shoe location notch (9) that matches with magnetic shoe location hole (8); Thermosetting resin (4) plastic packaging is in inner ring and the outer ring of rotor magnetic shoe (2), rotor inserts (1), rotor iron ring (3) and rotor magnetic shoe (2) envelope moulded be integrated.
2. the external rotor of DD direct driving motor according to claim 1, it is characterized in that, the center of described rotor inserts (1) is provided with for the connecting hole that is connected with motor shaft (111), the below of described connecting hole (111) is provided with the first through hole (112) with the motor shaft location, and the periphery of the first through hole (112) evenly is provided with a plurality of the second through holes (113) and a plurality of pawl structure (114).
3. the external rotor of DD direct driving motor according to claim 2, is characterized in that, described connecting hole (111) is internal spline structure or square hole structure.
4. the external rotor of according to claim 1-3 arbitrary described DD direct driving motors, is characterized in that, described rotor inserts (1) is the die cast metal molded part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203172299U CN203278429U (en) | 2013-06-03 | 2013-06-03 | External rotor of direct-drive (DD) motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203172299U CN203278429U (en) | 2013-06-03 | 2013-06-03 | External rotor of direct-drive (DD) motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203278429U true CN203278429U (en) | 2013-11-06 |
Family
ID=49508756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203172299U Expired - Lifetime CN203278429U (en) | 2013-06-03 | 2013-06-03 | External rotor of direct-drive (DD) motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203278429U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914966A (en) * | 2016-05-11 | 2016-08-31 | 浙江厚达智能科技股份有限公司 | Motor rotor plastic packaging loader and unloader |
| CN105958747A (en) * | 2016-05-11 | 2016-09-21 | 浙江厚达智能科技股份有限公司 | Motor rotor magnetic conductive ring preparation device |
| CN108916255A (en) * | 2018-09-19 | 2018-11-30 | 珠海格力电器股份有限公司 | For the spline housing of motor, rotor assembly, motor and household electrical appliance |
-
2013
- 2013-06-03 CN CN2013203172299U patent/CN203278429U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914966A (en) * | 2016-05-11 | 2016-08-31 | 浙江厚达智能科技股份有限公司 | Motor rotor plastic packaging loader and unloader |
| CN105958747A (en) * | 2016-05-11 | 2016-09-21 | 浙江厚达智能科技股份有限公司 | Motor rotor magnetic conductive ring preparation device |
| CN105914966B (en) * | 2016-05-11 | 2018-04-17 | 浙江厚达智能科技股份有限公司 | Rotor plastic packaging handling equipment |
| CN108916255A (en) * | 2018-09-19 | 2018-11-30 | 珠海格力电器股份有限公司 | For the spline housing of motor, rotor assembly, motor and household electrical appliance |
| CN108916255B (en) * | 2018-09-19 | 2023-08-22 | 珠海格力电器股份有限公司 | Spline housing for motor, rotor assembly, motor and household appliance |
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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: 20131106 |
|
| CX01 | Expiry of patent term |