CN110086278A - A kind of brushless motor - Google Patents
A kind of brushless motor Download PDFInfo
- Publication number
- CN110086278A CN110086278A CN201910434930.0A CN201910434930A CN110086278A CN 110086278 A CN110086278 A CN 110086278A CN 201910434930 A CN201910434930 A CN 201910434930A CN 110086278 A CN110086278 A CN 110086278A
- Authority
- CN
- China
- Prior art keywords
- hole
- rotor
- axis
- brushless motor
- air port
- 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.)
- Pending
Links
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
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
Abstract
The invention discloses a kind of brushless motors, including axis, stator, rotor；Rotor is rotatablely arranged at the inside of stator；The side of rotor is provided with fan blade；The center of rotor offers axis hole, and axis is inserted in the inside of axis hole；The both ends of axis are respectively arranged with bearing A, bearing B；Air port is provided on the outside of axis hole, air port is opened on rotor along the axial direction of axis, air port be it is multiple, multiple air ports are symmetrical about axis hole；Brushless motor of the invention can be realized ventilation and heat, effectively improve the heat dissipation effect of brushless motor, improve its working performance, brushless motor operation is more stable, and the service life is longer by opening up air port and through-hole on rotor；And air port is opened up on rotor and through-hole alleviates the weight of rotor, can be improved the revolving speed of brushless motor.
Description
Technical field
The present invention relates to a kind of motor more particularly to a kind of brushless motors.
Background technique
Brushless motor has many advantages, such as low noise, energy-efficient and durability compared with traditional brush motor, brushless
The application of motor is also more and more extensive.Brushless motor can discharge a large amount of heat in the process of running, in the prior art brushless
Usually there is the insufficient defect of heat dissipation in motor, and heat dissipation effect difference causes the performance of brushless motor to be affected.
Summary of the invention
In order to solve shortcoming present in above-mentioned technology, the present invention provides a kind of brushless motors.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of brushless motor, including axis, stator,
Rotor；Rotor is rotatablely arranged at the inside of stator；The side of rotor is provided with fan blade；The center of rotor offers axis hole,
Axis is inserted in the inside of axis hole；The both ends of axis are respectively arranged with bearing A, bearing B；Air port, air port edge are provided on the outside of axis hole
The axial direction of axis is opened on rotor, air port be it is multiple, multiple air ports are symmetrical about axis hole.
Further, through-hole is provided between axis hole and air port, through-hole is opened on rotor along the axial direction of axis；Through-hole is more
A, multiple through-holes are symmetrical about axis hole.
Further, through-hole is connected with the air port of its outside corresponding position respectively.
Further, the cross section in air port is in rectangle.
Further, through-hole is waist-shaped hole.
Further, through-hole is straight waist-shaped hole or arc waist-shaped hole.
Further, the cross section of through-hole is in a ring or polygon or cross.
Further, the cross section of through-hole is in moon shape or semicircle or ellipse or circle.
Further, the cross section of through-hole is in triangle or quadrangle or hexagon.
Further, axis hole is splined hole.
Brushless motor of the invention can be realized ventilation and heat, effectively change by opening up air port and through-hole on rotor
It has been apt to the heat dissipation effect of brushless motor, has improved its working performance, brushless motor operation is more stable, and the service life is longer；And
Air port is opened up on rotor and through-hole alleviates the weight of rotor, can be improved the revolving speed of brushless motor.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the right view of Fig. 1.
The cross-sectional view for the rotor that Fig. 5 is.
The cross-sectional view for the rotor that Fig. 6 is.
The cross-sectional view for the rotor that Fig. 7 is.
The cross-sectional view for the rotor that Fig. 8 is.
The cross-sectional view for the rotor that Fig. 9 is.
The cross-sectional view for the rotor that Figure 10 is.
The cross-sectional view for the rotor that Figure 11 is.
The cross-sectional view for the rotor that Figure 12 is.
The cross-sectional view for the rotor that Figure 13 is.
The cross-sectional view for the rotor that Figure 14 is.
The cross-sectional view for the rotor that Figure 15 is.
The cross-sectional view for the rotor that Figure 16 is.
The cross-sectional view for the rotor that Figure 17 is.
The cross-sectional view for the rotor that Figure 18 is.
The cross-sectional view for the rotor that Figure 19 is.
The cross-sectional view for the rotor that Figure 20 is.
The cross-sectional view for the rotor that Figure 21 is.
In figure: 1, axis；2, bearing A；3, stator；4, rotor；5, fan blade；6, bearing B；7, axis hole；8, air port；9, through-hole.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figs 1-4, a kind of brushless motor, including axis 1, stator 3, rotor 4；Rotor 4 is rotatablely arranged at stator 3
Inside；The side of rotor 4 is provided with fan blade 5；The center of rotor 4 offers axis hole 7, and axis 1 is inserted in the inside of axis hole 7；Axis 1
Both ends be respectively arranged with bearing A2, bearing B6；When axis 1 is set as splined shaft, axis hole 7 is correspondingly arranged as splined hole, such as figure
Shown in 21.
The outside of axis hole 7 is provided with air port 8, and air port 8 is opened on rotor 4 along the axial direction of axis 1, air port 8 be it is multiple, it is multiple
Air port is symmetrical about axis hole 7；Air port 8 can be designed to various shape, and the cross section in air port 8 can be in rectangle.
Through-hole 9 is provided between axis hole 7 and air port 8, through-hole 9 is opened on rotor 4 along the axial direction of axis 1；Through-hole 9 is more
A, multiple through-holes are symmetrical about axis hole 7.
Multiple air ports, multiple through-holes are symmetrical arranged about axis hole 7 so that the overall weight of rotor 4 is evenly distributed, and are guaranteed
Stability of the rotor 4 during high speed rotational operation.
As shown in Figure 5,6, through-hole 9 can be connected with the air port 8 of its outside corresponding position respectively.
Through-hole 9 can be waist-shaped hole, and through-hole 9 can be straight waist-shaped hole or curved waist type as shown in Figure 8 as shown in Figure 7
Hole.
It the cross section of through-hole 9 can in a ring, in moon shape as shown in Figure 9 or semicircle as shown in Figure 10, or as schemed
Ellipse shown in 11 or circle as shown in figure 12.
The cross section of through-hole 9 can also be in polygon, in triangle as shown in fig. 13 that, or as shown in figures 14-17 four
Side shape, or the hexagon as shown in Figure 18,19.
As shown in figure 20, the cross section of through-hole 9 can also be in cross.
Brushless motor can be realized ventilation and heat, effectively improve brushless by opening up air port and through-hole on rotor
The heat dissipation effect of motor improves its working performance, and brushless motor operation is more stable, and the service life is longer；And on rotor
It opens up air port and through-hole alleviates the weight of rotor, can be improved the revolving speed of brushless motor.
Above embodiment is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the scope of technical solution of the present invention, also belong to this hair
Bright protection scope.
Claims (10)
1. a kind of brushless motor, it is characterised in that: including axis (1), stator (3), rotor (4)；The rotor (4) rotationally sets
It is placed in the inside of stator (3)；The side of the rotor (4) is provided with fan blade (5)；The center of the rotor (4) offers axis hole
(7), axis (1) is inserted in the inside of axis hole (7)；The both ends of the axis (1) are respectively arranged with bearing A (2), bearing B (6)；It is described
Be provided on the outside of axis hole (7) air port (8), air port (8) are opened on rotor (4) along the axial direction of axis (1), air port (8) be it is multiple,
Multiple air ports are symmetrical about axis hole (7).
2. brushless motor according to claim 1, it is characterised in that: be provided between the axis hole (7) and air port (8) logical
Hole (9), through-hole (9) are opened on rotor (4) along the axial direction of axis (1)；The through-hole (9) be it is multiple, multiple through-holes are about axis hole
(7) symmetrical.
3. brushless motor according to claim 2, it is characterised in that: the through-hole (9) respectively with its outside corresponding position
Air port (8) be connected.
4. brushless motor according to claim 2, it is characterised in that: the cross section of the air port (8) is in rectangle.
5. brushless motor according to claim 2, it is characterised in that: the through-hole (9) is waist-shaped hole.
6. brushless motor according to claim 5, it is characterised in that: the through-hole (9) is straight waist-shaped hole or curved waist type
Hole.
7. brushless motor according to claim 2, it is characterised in that: the cross section of the through-hole (9) is in a ring or polygon
Shape or cross.
8. brushless motor according to claim 7, it is characterised in that: the cross section of the through-hole (9) is in moon shape or semicircle
Shape or ellipse or circle.
9. brushless motor according to claim 7, it is characterised in that: the cross section of the through-hole (9) is in triangle or four
Side shape or hexagon.
10. brushless motor according to claim 2, it is characterised in that: the axis hole (7) is splined hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434930.0A CN110086278A (en) | 2019-05-23 | 2019-05-23 | A kind of brushless motor |
| PCT/CN2019/094890 WO2020232803A1 (en) | 2019-05-23 | 2019-07-05 | Brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434930.0A CN110086278A (en) | 2019-05-23 | 2019-05-23 | A kind of brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110086278A true CN110086278A (en) | 2019-08-02 |
Family
ID=67421528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910434930.0A Pending CN110086278A (en) | 2019-05-23 | 2019-05-23 | A kind of brushless motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110086278A (en) |
| WO (1) | WO2020232803A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112671132A (en) * | 2020-12-05 | 2021-04-16 | 江苏铁锚工具股份有限公司 | Multi-pair-pole direct-drive inner rotor motor, electric chain saw and cutting machine |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10290541A (en) * | 1997-04-14 | 1998-10-27 | Sanyo Electric Co Ltd | Rotor for motor |
| JP2004254354A (en) * | 2003-02-18 | 2004-09-09 | Fujitsu General Ltd | Reluctance motor |
| CN201063495Y (en) * | 2007-07-06 | 2008-05-21 | 钱东高 | Torque motor for embedded air cooling DC brushless vehicle |
| JP2009011011A (en) * | 2007-06-26 | 2009-01-15 | Meidensha Corp | Rotor for permanent magnet reluctance motor |
| JP2010183800A (en) * | 2009-02-09 | 2010-08-19 | Mitsubishi Electric Corp | Rotor of electric motor, electric motor, air blower and compressor |
| CN101941200A (en) * | 2009-07-03 | 2011-01-12 | 德昌电机(深圳)有限公司 | Electric tool and motor assembly thereof |
| JP2014138543A (en) * | 2013-01-18 | 2014-07-28 | Toshiba Mitsubishi-Electric Industrial System Corp | Rotating electric machine |
| CN207184186U (en) * | 2017-09-13 | 2018-04-03 | 福州斯珀尔机电有限公司 | One kind exchange brushes hair rotor |
| CN207896756U (en) * | 2018-03-20 | 2018-09-21 | 福建鑫恒鑫电机有限公司 | A kind of generator high efficiency and heat radiation rotor structure |
| CN208401656U (en) * | 2018-07-31 | 2019-01-18 | 台州鑫源电机制造有限公司 | A kind of rotor punching structure |
| CN208479298U (en) * | 2018-07-10 | 2019-02-05 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013017297A (en) * | 2011-07-04 | 2013-01-24 | Toyota Motor Corp | Rotor of rotary electric machine |
| JP2014068489A (en) * | 2012-09-26 | 2014-04-17 | Hitachi Koki Co Ltd | Brushless motor and electric tool |
| CN108923583A (en) * | 2018-09-10 | 2018-11-30 | 东昌电机(深圳)有限公司 | A kind of brushless motor |
-
2019
- 2019-05-23 CN CN201910434930.0A patent/CN110086278A/en active Pending
- 2019-07-05 WO PCT/CN2019/094890 patent/WO2020232803A1/en active Application Filing
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10290541A (en) * | 1997-04-14 | 1998-10-27 | Sanyo Electric Co Ltd | Rotor for motor |
| JP2004254354A (en) * | 2003-02-18 | 2004-09-09 | Fujitsu General Ltd | Reluctance motor |
| JP2009011011A (en) * | 2007-06-26 | 2009-01-15 | Meidensha Corp | Rotor for permanent magnet reluctance motor |
| CN201063495Y (en) * | 2007-07-06 | 2008-05-21 | 钱东高 | Torque motor for embedded air cooling DC brushless vehicle |
| JP2010183800A (en) * | 2009-02-09 | 2010-08-19 | Mitsubishi Electric Corp | Rotor of electric motor, electric motor, air blower and compressor |
| CN101941200A (en) * | 2009-07-03 | 2011-01-12 | 德昌电机(深圳)有限公司 | Electric tool and motor assembly thereof |
| JP2014138543A (en) * | 2013-01-18 | 2014-07-28 | Toshiba Mitsubishi-Electric Industrial System Corp | Rotating electric machine |
| CN207184186U (en) * | 2017-09-13 | 2018-04-03 | 福州斯珀尔机电有限公司 | One kind exchange brushes hair rotor |
| CN207896756U (en) * | 2018-03-20 | 2018-09-21 | 福建鑫恒鑫电机有限公司 | A kind of generator high efficiency and heat radiation rotor structure |
| CN208479298U (en) * | 2018-07-10 | 2019-02-05 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
| CN208401656U (en) * | 2018-07-31 | 2019-01-18 | 台州鑫源电机制造有限公司 | A kind of rotor punching structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112671132A (en) * | 2020-12-05 | 2021-04-16 | 江苏铁锚工具股份有限公司 | Multi-pair-pole direct-drive inner rotor motor, electric chain saw and cutting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020232803A1 (en) | 2020-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 226000 88 tieanchor Road, Binhai New Area, Haimen District, Nantong City, Jiangsu Province Applicant after: Jiangsu anchor Tools Co.,Ltd. Address before: 226100 No.88 tieanchor Road, Binhai New Area, Haimen City, Nantong City, Jiangsu Province Applicant before: JIANGSU ANCHOR TOOLS Co.,Ltd. |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190802 |