CN203722448U - Concentric equidirectional double-shaft brushless motor - Google Patents
Concentric equidirectional double-shaft brushless motor Download PDFInfo
- Publication number
- CN203722448U CN203722448U CN201420092434.4U CN201420092434U CN203722448U CN 203722448 U CN203722448 U CN 203722448U CN 201420092434 U CN201420092434 U CN 201420092434U CN 203722448 U CN203722448 U CN 203722448U
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- Prior art keywords
- motor
- shaft
- interior
- end cover
- stator
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- Expired - Fee Related
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Abstract
The utility model relates to a concentric equidirectional double-shaft brushless motor. The concentric equidirectional double-shaft brushless motor comprises an upper end cover, a lower end cover, a motor outer casing, an inner motor and an outer motor. The inner motor comprises an inner motor shaft, an inner motor rotor, an inner motor magnetic steel, an inner motor stator and an inner motor coil; a work gap is reserved between the inner motor magnetic steel and the inner motor stator; the outer motor comprises an outer motor shaft, an outer motor rotor, an outer motor magnetic steel, an outer motor stator and an outer motor coil; a work gap is reserved between the outer motor magnetic steel and the outer motor stator; the inner motor shaft and the outer motor shaft both pass through the upper end cover and the lower end cover; the inner motor shaft is a solid shaft; the outer motor shaft is a hollow shaft; the inner motor shaft is disposed in the hollow chamber of the outer motor shaft; the upper end cover is internally provided with a first bearing; the first bearing is used for supporting the outer motor shaft; the inner side of the end portion of the outer motor rotor is provided with a second bearing; the second bearing is used for supporting the upper end portion of the inner motor shaft; the lower end cover is provided with a third bearing; and the third bearing is used for supporting the lower end portion of the inner motor shaft.
Description
Technical field
The utility model belongs to motor apparatus technical field, relates to a kind of twin shaft brushless motor, especially a kind of twin shaft brushless motor in the same way with one heart.
Background technology
In the special plant equipment such as dual-rotor helicopter, Bidirectional agitator and torsionless blower fan, needing has two axles to export positive and negative torque power on the same side at one end, a concentric axis, normally adopt complicated gear train assembly to realize, its machine-building is complicated, transmission efficiency is low.
Utility model content
The purpose of this utility model is, the complicated and low defect of transmission efficiency for above-mentioned machine-building provides design a kind of twin shaft brushless motor in the same way with one heart, to reduce the complexity in machine-building process, and raising transmission efficiency.
For achieving the above object, the utility model provides following technical scheme:
A twin shaft brushless motor in the same way, comprises upper end cover, bottom end cover and outdoor unit of motor shell with one heart, and described outdoor unit of motor shell is in order to support upper end cover and bottom end cover; It is characterized in that: also comprise interior motor and outer motor, described interior motor and outer motor are all between upper end cover and bottom end cover, the outer motor shaft of the interior motor shaft of interior motor, outer motor is all through upper end cover and bottom end cover, described interior motor shaft is solid shafting, described outer motor shaft is hollow shaft, described interior motor shaft is positioned at the hollow cavity of outer motor shaft
Wherein, on described interior motor shaft, interior rotor is installed, it is interior motor stator outward that interior magnetic steel of motor, interior magnetic steel of motor are installed in the peripheral circumferential of interior rotor, is wound with interior motor coil on interior motor stator, between described interior magnetic steel of motor and interior motor stator, leave the working clearance
Wherein, on described outer motor shaft, outer rotor is installed, the inner periphery of outer rotor is placed and is provided with in outer magnetic steel of motor, outer magnetic steel of motor is outer motor stator, is wound with outer motor coil on outer motor stator, between described outer magnetic steel of motor and outer motor stator, leave the working clearance
In described upper end cover, be provided with clutch shaft bearing is housed, described clutch shaft bearing is in order to support outer motor shaft, the second bearing is equipped with in the inner side of described outer rotor end, described the second bearing is in order to support the upper part of interior motor shaft, described bottom end cover is equipped with the 3rd bearing, and described the 3rd bearing is in order to support the end portion of interior motor shaft.
Preferably, be fixed with stator support cylinder on described bottom end cover, described outer motor stator is fixed in the peripheral circumferential of described stator support cylinder, and the inner periphery that described interior motor stator is fixed on described stator support cylinder is placed.
Preferably, described stator support cylinder is provided with through hole, and described bottom end cover is provided with perforate.
Preferably, the cable of outer motor is connected with outer motor driver after passing through hole, perforate; The cable of interior motor is connected with interior motor driver through after perforate.
Preferably, described bottom end cover is provided with screw hole, in order to fixed motor to be installed.
The beneficial effects of the utility model are, by the twin shaft that adopts interior motor and outer motor to carry out power, export, realized in the different torque power of the same side of motor output both direction, avoided gear-driven structure, reduced the complexity of machine-building; And the utility model employing integral structure, motor volume is little lightweight, has higher mechanical strength simultaneously; In addition, adopt the internal motor of motor driver and outer motor to control, improved transmission efficiency, saving resource reduction noise; In addition, the utility model design principle is reliable, simple in structure, has application prospect very widely.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress; Its implementation result is also apparent.
Accompanying drawing explanation
A kind of concentric structural representation of twin shaft brushless motor embodiment in the same way that Fig. 1 provides for the utility model.
Fig. 2 is the partial enlarged drawing of A part in Fig. 1.
A kind of schematic diagram that twin shaft brushless motor is implemented in dual-rotor helicopter in the same way with one heart that Fig. 3 provides for the utility model.
Wherein, motor shaft in 1-, rotor in 2-, magnetic steel of motor in 3-, motor stator in 4-, motor coil in 5-, the outer motor shaft of 6-, the outer rotor of 7-, the outer magnetic steel of motor of 8-, the outer motor stator of 9-, the outer motor coil of 10-, 11-upper end cover, 12-outdoor unit of motor shell, 13-bottom end cover, 14-screw hole, 15-stator support cylinder, the cable of the outer motor of 16-, the cable of motor in 17-, 18-clutch shaft bearing, 19-the second bearing, 20-the 3rd bearing, 21-through hole, 22-perforate, 90-is twin shaft brushless motor in the same way with one heart, 91-hinge, rotor under 92-, the upper rotor of 93-, 94-support, 95-steering wheel.
Embodiment
Below in conjunction with accompanying drawing and by specific embodiment, the utility model is elaborated, and following examples are to explanation of the present utility model, and the utility model is not limited to following examples.
As depicted in figs. 1 and 2, the utility model provides a kind of twin shaft brushless motor in the same way with one heart, comprise upper end cover 11, bottom end cover 13 and outdoor unit of motor shell 12, described outdoor unit of motor shell 12 is in order to support upper end cover 11 and bottom end cover 13, also comprise interior motor and outer motor, described interior motor and outer motor are all between upper end cover 11 and bottom end cover 13, the interior motor shaft 1 of interior motor, the outer motor shaft 6 of outer motor is all through upper end cover 11 and bottom end cover 13, described interior motor shaft 1 is solid shafting, described outer motor shaft 6 is hollow shaft, described interior motor shaft 1 is positioned at the hollow cavity of outer motor shaft 6,
Wherein, interior rotor 2 is installed on described interior motor shaft 1, in the peripheral circumferential of interior rotor 2, being provided with outside interior magnetic steel of motor 3, interior magnetic steel of motor 3 is interior motor stator 4, on interior motor stator 4, be wound with interior motor coil 5, between described interior magnetic steel of motor 3 and interior motor stator 4, leave the working clearance
Wherein, outer rotor 7 is installed on described outer motor shaft 6, the inner periphery of outer rotor 7 is placed and is provided with in outer magnetic steel of motor 8, outer magnetic steel of motor 8 is outer motor stator 9, on outer motor stator 9, be wound with outer motor coil 10, between described outer magnetic steel of motor 8 and outer motor stator 9, leave the working clearance
In described upper end cover 11, be provided with clutch shaft bearing 18 is housed, described clutch shaft bearing 18 is in order to support outer motor shaft 6, the second bearing 19 is equipped with in the inner side of described outer rotor 7 ends, described the second bearing 19 is in order to support the upper part of interior motor shaft 1, described bottom end cover 13 is equipped with the 3rd bearing 20, and described the 3rd bearing 20 is in order to support the end portion of interior motor shaft 1.
In the present embodiment, on described bottom end cover 13, be fixed with stator support cylinder 15, described outer motor stator 9 is fixed in the peripheral circumferential of described stator support cylinder 15, and the inner periphery that described interior motor stator 4 is fixed on described stator support cylinder 15 is placed.
In the present embodiment, described stator support cylinder 15 is provided with through hole 21, and described bottom end cover 13 is provided with perforate 22.
In the present embodiment, after passing through hole 21, perforate 22, the cable 16 of outer motor is connected with outer motor driver; The cable 17 of interior motor is connected with interior motor driver through after perforate 22.
In the present embodiment, described bottom end cover 13 is provided with screw hole 14, in order to fixed motor to be installed.
As shown in Figure 3, a kind of schematic diagram that twin shaft brushless motor is implemented in dual-rotor helicopter in the same way with one heart that the utility model provides, the outer motor shaft 6 of the concentric twin shaft brushless motor 90 in the same way that the utility model provides connects the lower rotor 92 of dual-rotor helicopters, interior motor shaft 1 connects the upper rotor 93 of dual-rotor helicopter, the switched in opposite of upper rotor 92 and lower rotor 93, two steering wheels 95 are installed on support 94, by steering wheel 95, drive twin shaft brushless motor 90 work in the same way with one heart of the present utility model, make the upper rotor 9 connecting with interior motor shaft 1, the lower rotor 92 connecting with outer motor shaft 6 be take hinge 91 and as the center of circle, is realized the wallowing motion of direction all around, thereby control dual-rotor helicopter left, right, before, rear to translation flight, when the rotating speed of upper rotor and lower rotor is different, what both produced can not cancel out each other to the torsion of dual-rotor helicopter body, realizes the steering operation of dual-rotor helicopter.
Disclosed is above only preferred implementation of the present utility model; but the utility model is not limited thereto; any those skilled in the art can think there is no a creationary variation; and not departing from some improvements and modifications of doing under the utility model principle prerequisite, all should drop in protection range of the present utility model.
Claims (5)
1. a twin shaft brushless motor in the same way with one heart, comprises upper end cover, bottom end cover and outdoor unit of motor shell, and described outdoor unit of motor shell is in order to support upper end cover and bottom end cover; It is characterized in that: also comprise interior motor and outer motor, described interior motor and outer motor are all between upper end cover and bottom end cover, the outer motor shaft of the interior motor shaft of interior motor, outer motor is all through upper end cover and bottom end cover, described interior motor shaft is solid shafting, described outer motor shaft is hollow shaft, described interior motor shaft is positioned at the hollow cavity of outer motor shaft
Wherein, on described interior motor shaft, interior rotor is installed, it is interior motor stator outward that interior magnetic steel of motor, interior magnetic steel of motor are installed in the peripheral circumferential of interior rotor, is wound with interior motor coil on interior motor stator, between described interior magnetic steel of motor and interior motor stator, leave the working clearance
Wherein, on described outer motor shaft, outer rotor is installed, the inner periphery of outer rotor is placed and is provided with in outer magnetic steel of motor, outer magnetic steel of motor is outer motor stator, is wound with outer motor coil on outer motor stator, between described outer magnetic steel of motor and outer motor stator, leave the working clearance
In described upper end cover, be provided with clutch shaft bearing is housed, described clutch shaft bearing is in order to support outer motor shaft, the second bearing is equipped with in the inner side of described outer rotor end, described the second bearing is in order to support the upper part of interior motor shaft, described bottom end cover is equipped with the 3rd bearing, and described the 3rd bearing is in order to support the end portion of interior motor shaft.
2. twin shaft brushless motor in the same way with one heart according to claim 1, it is characterized in that: on described bottom end cover, be fixed with stator support cylinder, described outer motor stator is fixed in the peripheral circumferential of described stator support cylinder, and the inner periphery that described interior motor stator is fixed on described stator support cylinder is placed.
3. twin shaft brushless motor in the same way with one heart according to claim 2, is characterized in that: described stator support cylinder is provided with through hole, and described bottom end cover is provided with perforate.
4. twin shaft brushless motor in the same way with one heart according to claim 3, is characterized in that: the cable of outer motor is connected with outer motor driver after through through hole, perforate; The cable of interior motor is connected with interior motor driver through after perforate.
5. twin shaft brushless motor in the same way with one heart according to claim 4, is characterized in that: described bottom end cover is provided with screw hole, in order to fixed motor to be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092434.4U CN203722448U (en) | 2014-03-03 | 2014-03-03 | Concentric equidirectional double-shaft brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092434.4U CN203722448U (en) | 2014-03-03 | 2014-03-03 | Concentric equidirectional double-shaft brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722448U true CN203722448U (en) | 2014-07-16 |
Family
ID=51161571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420092434.4U Expired - Fee Related CN203722448U (en) | 2014-03-03 | 2014-03-03 | Concentric equidirectional double-shaft brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722448U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667247A (en) * | 2018-06-06 | 2018-10-16 | 林峭 | A kind of bi-motor stacking motor and its cooking machine |
| CN111064313A (en) * | 2018-10-17 | 2020-04-24 | 广东美的白色家电技术创新中心有限公司 | Coaxial dual-output mechanism and food processor with same |
-
2014
- 2014-03-03 CN CN201420092434.4U patent/CN203722448U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667247A (en) * | 2018-06-06 | 2018-10-16 | 林峭 | A kind of bi-motor stacking motor and its cooking machine |
| CN111064313A (en) * | 2018-10-17 | 2020-04-24 | 广东美的白色家电技术创新中心有限公司 | Coaxial dual-output mechanism and food processor with same |
| CN111064313B (en) * | 2018-10-17 | 2021-02-23 | 广东美的白色家电技术创新中心有限公司 | Coaxial dual-output mechanism and food processor with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20150303 |
|
| EXPY | Termination of patent right or utility model |