CN202068248U - Novel rotor assembly - Google Patents
Novel rotor assembly Download PDFInfo
- Publication number
- CN202068248U CN202068248U CN2011201845153U CN201120184515U CN202068248U CN 202068248 U CN202068248 U CN 202068248U CN 2011201845153 U CN2011201845153 U CN 2011201845153U CN 201120184515 U CN201120184515 U CN 201120184515U CN 202068248 U CN202068248 U CN 202068248U
- Authority
- CN
- China
- Prior art keywords
- rotor core
- rotor assembly
- permanent magnet
- positioning boss
- groove
- 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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Abstract
The utility model discloses a novel rotor assembly, which comprises a rotating shaft (1), a rotor core (2), and a plurality of permanent magnets (3) arranged at the outer side surface of the rotor core (2), wherein a plurality of grooves (21) are arranged at the inner sides of the permanent magnets (3) and in the outer side surface of the rotor core (2), and the arrangement of the grooves in the rotor core makes the gummed surfaces and gummed amounts of the permanent magnets easy to control, thus binding force between the permanent magnets and the rotor core can be effectively guaranteed, and the normal operation of a motor can be guaranteed.
Description
Technical field:
The utility model relates to a kind of novel rotor assembly, belongs to machine field.
Background technology:
At present, the rotor assembly of dc brushless motor (BLDC MOTOR), comprise rotating shaft, rotor core and some permanent magnets, permanent magnet directly sticks on the rotor core by glue, and it is simple that this structure seems, but certain deficiency is arranged also, the glue that the permanent magnet bonding is used, if generation coated face deficiency or glue-spread are not enough, the adhesion between permanent magnet and the rotor core is not enough with directly causing, the hidden danger that exists permanent magnet to come off influences the motor operate as normal.
Summary of the invention:
The purpose of this utility model provides a kind of novel rotor assembly, by on rotor core, offering groove, make the coated face and the glue-spread of permanent magnet can be good at control, can effectively guarantee the adhesion between permanent magnet and the rotor core, guarantee that motor normally moves.
The purpose of this utility model is to be achieved by following technical scheme.
A kind of novel rotor assembly comprises rotating shaft, rotor core and is installed in some permanent magnets of rotor core lateral surface, offers some grooves on permanent magnet inboard, rotor core outer side surface.
Above-mentioned described groove is a bar-shaped trough, extends to the bottom from the end of rotor core sidewall.
The cross section of above-mentioned described groove is square or semicircle or trapezoidal.
Above-mentioned described some positioning boss that protrude on rotor core, some positioning boss evenly circumferentially are distributed on the outer side surface.
Above-mentioned described groove is evenly distributed between adjacent two positioning boss.
Above-mentioned described permanent magnet sticks between adjacent two positioning boss by glue.
Between above-mentioned described adjacent two positioning boss is cambered surface, and groove is arranged on the cambered surface, and cambered surface and permanent magnet medial surface closely cooperate.
The utility model beneficial effect compared with prior art is: 1) the utility model rotor assembly comprises rotating shaft, rotor core, with the some permanent magnets that are installed in the rotor core lateral surface, on permanent magnet inboard, rotor core outer side surface, offer some grooves, this structure makes the coated face of permanent magnet and glue-spread can be good at control, can effectively guarantee the adhesion between permanent magnet and the rotor core, guarantee that motor normally moves; 2) protrude some positioning boss on rotor core, some positioning boss evenly circumferentially are distributed on the outer side surface, guarantee that effectively the gap between each sheet of permanent magnet is even, the consistency that can improve the quality of products; 3) groove is evenly distributed between adjacent two positioning boss, and permanent magnet sticks between adjacent two positioning boss by glue, and groove is used to hold the glue on the permanent magnet, guarantees the adhesion of permanent magnet and rotor core.
Description of drawings:
Fig. 1 is a stereogram of the present utility model;
Fig. 2 is an exploded view of the present utility model;
Fig. 3 is a structural front view of the present utility model;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the B-B partial enlarged drawing of Fig. 4.
Embodiment:
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
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, rotor core 2 and be installed in some permanent magnets 3 of rotor core 2 lateral surfaces, on permanent magnet 3 inboards, rotor core 2 outer side surfaces, offer some grooves 21; Groove 21 is bar-shaped troughs, extends to the bottom from the end of rotor core 2 sidewalls; The cross section of groove 21 is square or semicircle or trapezoidal; Protrude some positioning boss 22 on rotor core 2, some positioning boss 22 evenly circumferentially are distributed on the outer side surface; Groove 21 is evenly distributed between adjacent two positioning boss 22; Permanent magnet 3 sticks on 22 of adjacent two positioning boss by glue 4; Between adjacent two positioning boss 22 is cambered surface 23, and groove 21 is arranged on the cambered surface 23, and cambered surface 23 closely cooperates with permanent magnet 3 medial surfaces.
The utility model is by offering some grooves 21 on permanent magnet 3 inboards, rotor core 2 outer side surfaces, make the coated face and the glue-spread of sticking permanent magnet can realize better controlled, can effectively guarantee the adhesion between permanent magnet and the rotor core, surplus glue 4 can be embedded into groove 21 the insides.
Claims (7)
1. novel 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: offer some grooves (21) on, rotor core (2) outer side surface inboard at permanent magnet (3).
2. a kind of novel rotor assembly according to claim 1 is characterized in that: groove (21) is a bar-shaped trough, extends to the bottom from the end of rotor core (2) sidewall.
3. a kind of novel rotor assembly according to claim 1 and 2 is characterized in that: the cross section of groove (21) is square or semicircle or trapezoidal.
4. a kind of novel rotor assembly according to claim 1 is characterized in that: go up at rotor core (2) and protrude some positioning boss (22), some positioning boss (22) evenly circumferentially are distributed on the outer side surface.
5. a kind of novel rotor assembly according to claim 4 is characterized in that: groove (21) is evenly distributed between adjacent two positioning boss (22).
6. a kind of novel rotor assembly according to claim 5 is characterized in that: permanent magnet (3) sticks between adjacent two positioning boss (22) by glue (4).
7. a kind of novel rotor assembly according to claim 4 is characterized in that: be cambered surface (23) between adjacent two positioning boss (22), groove (21) is arranged on the cambered surface (23), and cambered surface (23) closely cooperates with permanent magnet (3) medial surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201845153U CN202068248U (en) | 2011-06-02 | 2011-06-02 | Novel rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201845153U CN202068248U (en) | 2011-06-02 | 2011-06-02 | Novel rotor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202068248U true CN202068248U (en) | 2011-12-07 |
Family
ID=45062101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201845153U Expired - Lifetime CN202068248U (en) | 2011-06-02 | 2011-06-02 | Novel rotor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202068248U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104641537A (en) * | 2012-08-22 | 2015-05-20 | Bsh博世和西门子家用电器有限公司 | Electrical machine, in particular electric drivemotor |
| CN104836354A (en) * | 2015-05-10 | 2015-08-12 | 余姚市爱优特电机有限公司 | Brushless motor assembly structure |
| CN106533111A (en) * | 2016-12-08 | 2017-03-22 | 浙江万冠电机有限公司 | Permanent magnetic DC brushless motor |
| CN108183567A (en) * | 2017-12-26 | 2018-06-19 | 南京埃斯顿自动控制技术有限公司 | The cementing structure and its adhering method of motor surface-mount type magnet steel and rotor |
-
2011
- 2011-06-02 CN CN2011201845153U patent/CN202068248U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104641537A (en) * | 2012-08-22 | 2015-05-20 | Bsh博世和西门子家用电器有限公司 | Electrical machine, in particular electric drivemotor |
| CN104836354A (en) * | 2015-05-10 | 2015-08-12 | 余姚市爱优特电机有限公司 | Brushless motor assembly structure |
| CN106533111A (en) * | 2016-12-08 | 2017-03-22 | 浙江万冠电机有限公司 | Permanent magnetic DC brushless motor |
| CN108183567A (en) * | 2017-12-26 | 2018-06-19 | 南京埃斯顿自动控制技术有限公司 | The cementing structure and its adhering method of motor surface-mount type magnet steel and rotor |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |