CN203722440U - Motor with internal and external dual rotors - Google Patents
Motor with internal and external dual rotors Download PDFInfo
- Publication number
- CN203722440U CN203722440U CN201320892019.2U CN201320892019U CN203722440U CN 203722440 U CN203722440 U CN 203722440U CN 201320892019 U CN201320892019 U CN 201320892019U CN 203722440 U CN203722440 U CN 203722440U
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- China
- Prior art keywords
- lamination
- internal
- external
- stator
- electromagnet
- 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
- 230000009977 dual effect Effects 0.000 title abstract 2
- 238000003475 lamination Methods 0.000 claims description 49
- 238000010030 laminating Methods 0.000 abstract 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000002153 concerted effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Abstract
The utility model discloses a motor with internal and external dual rotors. The motor comprises an external rotor, an internal rotor and a stator. The internal side wall of the external rotor is embedded with an annular first electromagnet. The external side wall of the internal rotor is embedded with an annular second electromagnet. The stator is arranged between the first electromagnet and the second electromagnet. The stator comprises an external coil, an internal coil and multiple laminating sheets which are mutually laminated. The laminating sheets present to be circular. The internal circular edge of the laminating sheets is provided with multiple internal groove notches, and the external circular edge of the laminating sheets is provided with multiple external groove notches. The internal groove notches and the external groove notches are arranged in a spacing way so that yoke parts are formed. The external coils and the laminating sheets are superposed, and then an external stator is formed by the parts with the external groove notches. The external stator is electromagnetically matched with the first electromagnet. The internal coils and the laminating sheets are superposed, and then an internal stator is formed by the parts with the internal groove notches. The internal stator is electromagnetically matched with the second electromagnet. Based on the situation that high torque is ensured to be outputted, the motor has smaller volume, and magnetic fields formed by the internal and external stators and the internal and external rotors do not mutually interfere with each other.
Description
Technical field
The utility model relates to motor, is specifically related to a kind of inner-outer birotor motor.
Background technology
Motor (motor) refers to a kind of calutron of realizing electric energy conversion or transmit according to the law of electromagnetic induction, at present, the occasion that needs high pulling torque output, conventionally the motor that needs large volume, it has larger stator and thereby rotor produces stronger magnetic field force, but the motor of this large volume has following defect: be not suitable for being arranged on the occasion of narrow space, if it is wayward or easily cause mutual electromagnetic interference again to increase a plurality of rotors and stator combination.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of inner-outer birotor motor, can guarantee on the basis of output high pulling torque, and have smaller size smaller, and the magnetic field of inside and outside stator and inner and outer Rotator formation does not interfere with each other.
The purpose of this utility model adopts following technical scheme to realize:
An inner-outer birotor motor, comprises external rotor, internal rotor and stator, and described external rotor is cylindrical, and this external rotor Tong Di center has the first axis hole, and the madial wall of this external rotor is embedded with the first electromagnet of annular; Described internal rotor is tubular, be removably installed in external rotor cylinder the end, and by Gai Tongdi center to downward-extension, this internal rotor is penetrated with second axis hole coaxial with the first axis hole, the lateral wall of this internal rotor be embedded with annular the second electromagnet; Described stator is between the first electromagnet and the second electromagnet, this stator comprises exterior loop, interior loop and a plurality of stacked lamination mutually, described lamination is circle shape, the inner ring edge of lamination has a plurality of inner tank mouths, each inner tank mouths is circumferentially spacedly distributed along lamination inner ring, and each inner tank mouths is along the radially extension of lamination, and described interior loop is installed in the inner tank mouths of lamination layer poststack; The edge, outer ring of lamination has a plurality of exterior notch, and each exterior notch is circumferentially spacedly distributed along lamination outer ring, and each exterior notch is along the radially extension of lamination, and exterior loop is installed in the exterior notch of lamination layer poststack; Described inner tank mouths and exterior notch form yoke portion separately, and the part after exterior loop and lamination stack with exterior notch forms external stator, and this external stator coordinates with the first electromagnet electromagnetism; The part after interior loop and lamination stack with inner tank mouths forms internal stator, and this internal stator coordinates with the second electromagnet electromagnetism.
Preferably, have for stacked fixing a plurality of installing holes between lamination on described lamination, each mounting hole site, between exterior notch and inner tank mouths, and is spacedly distributed around the axis of lamination.
Preferably, the position of described exterior notch and the position of inner tank mouths are relative one by one.
Preferably, described internal rotor is removably connected with external rotor by screw.
Compared to existing technology, the beneficial effects of the utility model are:
In the utility model, external stator, in, external rotor is at the first electromagnet, under the effect of the second electromagnet, carry out respectively the setting of electromagnetism cooperation, can be interior, after external stator energising simultaneously to internal rotor and the external rotor power that rotates, improved the moment of torsion of external rotor output, and, because this is interior, external stator and in, the fit structure of external rotor does not only increase volume, but also raw material have been saved, increased the mating surface of coil and electromagnet, therefore realized on the basis of small size and having exported compared with high pulling torque, be highly suitable for small space, need again the occasion of exporting high pulling torque to use, for example use on the turntable of Digit Control Machine Tool, simultaneously, due to exterior notch and inner tank mouths space formation yoke portion, therefore, by this spacing distance is set, can prevent the electromagnetic interference producing when internal stator and external stator coordinate with the second electromagnet and the first electromagnet electromagnetism separately, be beneficial to effective control of Motor torque output.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the utility model inner-outer birotor motor;
Fig. 2 is the structural representation of the utility model lamination.
In figure: 1, external rotor; 11, the first axis hole; 2, internal rotor; 21, the second axis hole; 3, stator; 31, exterior loop; 32, interior loop; 33, lamination; 331, inner tank mouths; 332, exterior notch; 333, yoke portion; 334, installing hole; 4, the first electromagnet; 5, the second electromagnet; 6, external stator; 7, internal stator; 8, screw.
Embodiment
A kind of inner-outer birotor motor as shown in Figure 1, comprises external rotor 1, internal rotor 2 and stator 3, and external rotor 1 is cylindrical, and this external rotor 1 Tong Di center has the first axis hole 11, and the madial wall of this external rotor 1 is embedded with the first electromagnet 4 of annular; Internal rotor 2 is tubular, be removably installed in external rotor 1 cylinder the end, and by Gai Tongdi center to downward-extension, this internal rotor 2 is penetrated with second axis hole 21 coaxial with the first axis hole 11, the lateral wall of this internal rotor 2 be embedded with annular the second electromagnet 5.After the combination relative to the second axis hole 21 of the first axis hole 11, can pack rotation axis into.
Stator 3 is between the first electromagnet 4 and the second electromagnet 5, this stator 3 comprises exterior loop 31, interior loop 32 and a plurality of stacked lamination 33 mutually, lamination 33 is circle shape, the inner ring edge of lamination 33 has a plurality of inner tank mouths 331, each inner tank mouths 331 being circumferentially spacedly distributed along lamination 33 inner rings, and each inner tank mouths 331 is along the radially extension of lamination 33, interior loop 32 is installed in the inner tank mouths 331 of lamination 33 after stacked.
As shown in Figure 2, the edge, outer ring of lamination 33 has a plurality of exterior notch 332, and each exterior notch 332 is circumferentially spacedly distributed along lamination 33 outer rings, and each exterior notch 332 is along the radially extension of lamination 33, and exterior loop 31 is installed in the exterior notch 332 of lamination 33 after stacked; Inner tank mouths 331 and exterior notch 332 form yoke portion 333 separately, and exterior loop 31 has exterior notch 332 part after superposeing with lamination 33 forms external stator 6, and this external stator 6 coordinates with the first electromagnet 4 electromagnetism; Interior loop 32 has inner tank mouths 331 part after superposeing with lamination forms internal stator 7, and this internal stator 7 coordinates with the second electromagnet 5 electromagnetism.
When internal stator 7, external stator 6 all pass into after electric current, to produce magnetic field force, respectively with the first electromagnet 4 and the second electromagnet 5 electromagnetism mating reactions, thereby make a concerted effort respectively to promote external rotor 1 and internal rotor 2 rotations, be equivalent to form two motors, improved and rotated the moment of torsion of output, and reduced required volume.Meanwhile, exterior loop 31 and interior loop 32 arrange and space by the interval of exterior notch 332 and inner tank mouths 331, by this spacing distance is set, can prevent the magnetic field phase mutual interference that exterior loop 31 and interior loop 32 produce, and are beneficial to the stable output of motor.
The for the benefit of stacked installation of lamination 33 is fixed, and has for stacked fixing a plurality of installing holes 334 between lamination on lamination 33, and each installing hole 334, between exterior notch 332 and inner tank mouths 331, and is spacedly distributed around the axis of lamination 33.Past installing hole 334 interpolations plug pin or other fixture can complete the fixing stacked of lamination 33.
The position of exterior notch 332 is relative one by one with the position of inner tank mouths 331, is beneficial to formed magnetic field consistent, is further beneficial to the stable output of motor.And the present embodiment is for the ease of assembling, internal rotor 2 is removably connected with external rotor 1 by screw 8.
Above-mentioned execution mode is only preferred implementation of the present utility model; can not limit with this scope of the utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.
Claims (4)
1. an inner-outer birotor motor, is characterized in that: comprise external rotor, internal rotor and stator, described external rotor is cylindrical, and this external rotor Tong Di center has the first axis hole, and the madial wall of this external rotor is embedded with the first electromagnet of annular; Described internal rotor is tubular, be removably installed in external rotor cylinder the end, and by Gai Tongdi center to downward-extension, this internal rotor is penetrated with second axis hole coaxial with the first axis hole, the lateral wall of this internal rotor be embedded with annular the second electromagnet; Described stator is between the first electromagnet and the second electromagnet, this stator comprises exterior loop, interior loop and a plurality of stacked lamination mutually, described lamination is circle shape, the inner ring edge of lamination has a plurality of inner tank mouths, each inner tank mouths is circumferentially spacedly distributed along lamination inner ring, and each inner tank mouths is along the radially extension of lamination, and described interior loop is installed in the inner tank mouths of lamination layer poststack; The edge, outer ring of lamination has a plurality of exterior notch, and each exterior notch is circumferentially spacedly distributed along lamination outer ring, and each exterior notch is along the radially extension of lamination, and exterior loop is installed in the exterior notch of lamination layer poststack; Described inner tank mouths and exterior notch form yoke portion separately, and the part after exterior loop and lamination stack with exterior notch forms external stator, and this external stator coordinates with the first electromagnet electromagnetism; The part after interior loop and lamination stack with inner tank mouths forms internal stator, and this internal stator coordinates with the second electromagnet electromagnetism.
2. inner-outer birotor motor according to claim 1, is characterized in that: on described lamination, have for stacked fixing a plurality of installing holes between lamination, each mounting hole site, between exterior notch and inner tank mouths, and is spacedly distributed around the axis of lamination.
3. inner-outer birotor motor according to claim 1 and 2, is characterized in that: the position of described exterior notch is relative one by one with the position of inner tank mouths.
4. inner-outer birotor motor according to claim 3, is characterized in that: described internal rotor is removably connected with external rotor by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892019.2U CN203722440U (en) | 2013-12-31 | 2013-12-31 | Motor with internal and external dual rotors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892019.2U CN203722440U (en) | 2013-12-31 | 2013-12-31 | Motor with internal and external dual rotors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722440U true CN203722440U (en) | 2014-07-16 |
Family
ID=51161563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320892019.2U Expired - Lifetime CN203722440U (en) | 2013-12-31 | 2013-12-31 | Motor with internal and external dual rotors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722440U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217253A (en) * | 2016-09-08 | 2016-12-14 | 广州市昊志机电股份有限公司 | A kind of outer rotor grinding machine headstock |
| CN107932099A (en) * | 2017-12-24 | 2018-04-20 | 芜湖洪金机床有限公司 | High precision overloading directly turns the manufacture method of platform |
| CN107932096A (en) * | 2017-10-24 | 2018-04-20 | 广州市昊志机电股份有限公司 | A kind of large torque directly drives numerical control rotating platform |
| CN108000208A (en) * | 2017-12-24 | 2018-05-08 | 芜湖洪金机床有限公司 | A kind of high precision overloading directly turns the encoder of platform |
| CN108000170A (en) * | 2017-12-24 | 2018-05-08 | 芜湖洪金机床有限公司 | A kind of high precision overloading directly turns platform |
-
2013
- 2013-12-31 CN CN201320892019.2U patent/CN203722440U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217253A (en) * | 2016-09-08 | 2016-12-14 | 广州市昊志机电股份有限公司 | A kind of outer rotor grinding machine headstock |
| CN106217253B (en) * | 2016-09-08 | 2018-08-03 | 广州市昊志机电股份有限公司 | A kind of outer rotor grinding machine head stock frame |
| CN107932096A (en) * | 2017-10-24 | 2018-04-20 | 广州市昊志机电股份有限公司 | A kind of large torque directly drives numerical control rotating platform |
| CN107932099A (en) * | 2017-12-24 | 2018-04-20 | 芜湖洪金机床有限公司 | High precision overloading directly turns the manufacture method of platform |
| CN108000208A (en) * | 2017-12-24 | 2018-05-08 | 芜湖洪金机床有限公司 | A kind of high precision overloading directly turns the encoder of platform |
| CN108000170A (en) * | 2017-12-24 | 2018-05-08 | 芜湖洪金机床有限公司 | A kind of high precision overloading directly turns platform |
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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: 20140716 |
|
| CX01 | Expiry of patent term |