CN104158329A - Motor and rotor thereof - Google Patents
Motor and rotor thereof Download PDFInfo
- Publication number
- CN104158329A CN104158329A CN201410441523.XA CN201410441523A CN104158329A CN 104158329 A CN104158329 A CN 104158329A CN 201410441523 A CN201410441523 A CN 201410441523A CN 104158329 A CN104158329 A CN 104158329A
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- CN
- China
- Prior art keywords
- rotor
- rotor core
- clamping part
- scarfing slot
- magnetic shoe
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- 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.)
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Abstract
The invention provides a motor and a rotor of the motor. The rotor comprises a rotor core and magnetic shoes arranged on the outer side of the rotor core, wherein rabbet joint grooves are formed in the outer wall of the rotor core, the magnetic shoes are installed in the rabbet joint grooves, and rabbet joint portions connected with the rabbet joint grooves in a matched mode are arranged on the magnetic shoes. According to the rotor, the rabbet joint grooves are formed in the outer wall of the rotor core, the rabbet joint portions matched with the rabbet joint grooves are arranged on the magnetic shoes, the magnetic shoes are installed in the rabbet joint grooves through the rabbet joint portions, and thus the rotor core can be conveniently connected with the magnetic shoes, and the problem that in the prior art, because of the connection mode between a rotor core and magnetic shoes, the manufacturing cost of a rotor is high is solved. The rotor is simple in structure and convenient to install, positioning between the rotor core and the magnetic shoes is convenient to perform and high in accuracy, actual production and machining and application and popularization can be facilitated, and meanwhile the manufacturing cost of the motor is effectively reduced.
Description
Technical field
The present invention relates to machine field, more specifically, relate to a kind of motor and rotor thereof.
Background technology
At present, as depicted in figs. 1 and 2, the surface-mounted rotor of DC brushless motor uses the mode of glue bonding or integrated through injection molding that magnetic shoe 1 is coordinated with rotor core 2 conventionally.
But, adopt with upper type making surface-mounted rotor and all need to increase technique and manufacturing cost, as glue adhesive type need to increase the operation such as cementing, baking, integrated through injection molding structure need to increase corresponding injection mold and operation.
Summary of the invention
The present invention aims to provide a kind of motor and rotor thereof, to solve the higher problem of rotor manufacturing cost of prior art.
For solving the problems of the technologies described above, according to an aspect of the present invention, provide a kind of rotor, comprise rotor core and the magnetic shoe that is arranged on rotor core outside, on the outer wall of rotor core, be provided with scarfing slot; Magnetic shoe is arranged in scarfing slot, and on magnetic shoe, is provided with the scarfing unit in mating connection with scarfing slot.
Further, the notch end of two sidewalls of scarfing slot is all obliquely installed towards the inner side of scarfing slot, and scarfing unit has the angle of inclination identical with the sidewall of scarfing slot.
Further, on the outer wall of rotor core, be provided with the clamping part of paired setting, and scarfing slot is formed by paired clamping part.
Further, on the outer wall of rotor core, be provided with multipair clamping part, and multipair clamping part is along the circumferential setting of rotor core.
Further, paired clamping part is arranged on the both sides of a magnetic pole of rotor core correspondingly.
Further, between two pairs of adjacent clamping parts, be provided with air gap groove, and the outer wall of the opening of air gap groove and adjacent two clamping parts connects.
Further, air gap groove is swallow-tail form.
Further, the sidewall of clamping part comprises the interlocking face and the clamping face that set gradually along the direction of the axis away from rotor core, and the both sides of magnetic shoe are provided with the mating surface matching with clamping face.
Further, the angle α between the tangent line of the rotor core outer wall at interlocking face and scarfing slot centre position place is less than the angle β between clamping face and tangent line.
According to another aspect of the present invention, provide a kind of motor, comprised stator core and the rotor that is arranged on stator core inside, rotor is above-mentioned rotor.
In the present invention, on the outer wall of rotor core, be provided with scarfing slot, and on magnetic shoe, be provided with the scarfing unit matching with this scarfing slot, magnetic shoe is arranged in scarfing slot by scarfing unit.Like this, can realize being more easily connected of rotor core and magnetic shoe, and then effectively solve the higher problem of manufacturing cost of the rotor causing because of the connected mode of rotor core and magnetic shoe of the prior art.
Rotor structure in the present invention is simple, easy for installation, and location between rotor core and magnetic shoe is convenient, precision is higher, is conducive to carry out actual production processing and applies; Meanwhile, effectively reduced the manufacturing cost of motor.
Brief description of the drawings
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 has schematically shown the structural representation of the rotor of an embodiment of the prior art;
Fig. 2 has schematically shown the structural representation of the rotor of another embodiment of the prior art;
Fig. 3 has schematically shown the structural representation of the rotor in an embodiment in the present invention;
Fig. 4 has schematically shown the structural representation of the rotor core in Fig. 3;
Fig. 5 has schematically shown the partial enlarged drawing of Fig. 4;
Fig. 6 has schematically shown the structural representation of the magnetic shoe in Fig. 3;
Fig. 7 has schematically shown the structural representation of the rotor in another embodiment in the present invention;
Fig. 8 has schematically shown the structural representation of the rotor core in Fig. 7;
Fig. 9 has schematically shown the structural representation of the magnetic shoe in Fig. 7;
Structural representation when Figure 10 has schematically shown the distortion of air gap groove; And
Figure 11 has schematically shown the stereogram of rotor.
Reference numeral in figure: 10, rotor core; 11, scarfing slot; 12, clamping part; 13, air gap groove; 14, clamping face; 15, interlocking face; 20, magnetic shoe; 21, scarfing unit; 22, mating surface; 30, armature spindle.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
According to an aspect of the present invention, provide a kind of rotor, please refer to Fig. 3 to Figure 11, this rotor comprises rotor core 10 and is arranged on the magnetic shoe 20 in rotor core 10 outsides, is provided with scarfing slot 11 on the outer wall of rotor core 10; Magnetic shoe 20 is arranged in scarfing slot 11, and on magnetic shoe 20, is provided with the scarfing unit 21 in mating connection with scarfing slot 11.
In the present invention, be provided with scarfing slot 11 on the outer wall of rotor core 10, and on magnetic shoe 20, be provided with the scarfing unit 21 matching with this scarfing slot 11, magnetic shoe 20 is arranged in scarfing slot 11 by scarfing unit 21.Like this, can realize being more easily connected of rotor core 10 and magnetic shoe 20, and then effectively solve the higher problem of manufacturing cost of the rotor causing because of the connected mode of rotor core and magnetic shoe of the prior art.
Rotor structure in the present invention is simple, easy for installation, and location between rotor core 10 and magnetic shoe 20 is convenient, precision is higher, is conducive to carry out actual production processing and applies; Meanwhile, effectively reduced the manufacturing cost of motor.
Preferably, the notch end of two sidewalls of scarfing slot 11 is all obliquely installed towards the inner side of scarfing slot 11, and scarfing unit 21 has the angle of inclination identical with the sidewall of scarfing slot 11.Like this, can make magnetic shoe 20 be arranged on more securely on rotor core 10.Preferably, scarfing slot 11 is dovetail groove.
Preferably, on the outer wall of rotor core 10, be provided with the clamping part 12 of paired setting, and scarfing slot 11 is formed by paired clamping part 12.Like this, the effect that is connected that can strengthen magnetic shoe 20 and rotor core 10 is set.
Preferably, on the outer wall of rotor core 10, be provided with multipair clamping part 12, and multipair clamping part 12 is along the circumferential setting of rotor core 10.Like this, multiple scarfing slots 11 can be formed, and then the bonding strength of rotor core 10 and magnetic shoe 20 can be strengthened.
Preferably, paired clamping part 12 is arranged on the both sides of a magnetic pole of rotor core 10 correspondingly.Like this, can make magnetic shoe 20 match and work with rotor core 10.
Preferably, between two pairs of adjacent clamping parts 12, be provided with air gap groove 13, and the outer wall of the opening of air gap groove 13 and adjacent two clamping parts 12 connects.Like this, the clamping part 12 between magnetic pole is just separated by by air gap groove 13, and this air gap groove 13 can subtract the leakage field between trochantinian adjacent pole.In addition, this air gap groove 13 also can deform, and as shown in figure 10, after distortion, can become circle from original shape, and the inclined degree of clamping part 12 is strengthened, and then is conducive to increase the clamping action to magnetic shoe 20.
Preferably, air gap groove 13 is swallow-tail form.According to actual conditions, this air gap groove 13 can also be arranged to as other shapes such as circular, oval.
Preferably, as shown in Figure 7 to 9, the sidewall of clamping part 12 comprises the interlocking face 15 and the clamping face 14 that set gradually along the direction of the axis away from rotor core 10, and the both sides of magnetic shoe 20 are provided with the mating surface 22 matching with clamping face 14.
Preferably, the angle α between the tangent line of rotor core 10 outer walls at interlocking face 15 and scarfing slot 11 centre position places is less than the angle β between clamping face 14 and tangent line.If need to increase trochiterian pole embrace, the performance of lifting motor, can make the angle between the arc surface tangent line in inner side edge and the scarfing slot 11 at bottom position place of clamping part 12 is α, angle between the arc surface tangent line in inner side edge and the scarfing slot 11 at the tip position place of clamping part 12 is β, wherein, β > α.
In this application, angle between the tangent line of the inner side of clamping part 12 and corresponding scarfing slot 11 inner arc surfaces is α, and it is less than 90 °, and between the tangent line of the arc surface of the dual-side of the magnetic shoe 20 that rotor core 10 matches and magnetic shoe 20 bottoms, angle is also α, and then can make magnetic shoe 20 embed and be fixed in the scarfing slot 11 on rotor core 10 surfaces.Preferably, the clamping part 12 on rotor core 10 can improve according to practical application, as improved the intensity that coordinates between rotor core 10 and magnetic shoe 20, can correspondingly increase the thickness of clamping part 12.
According to another aspect of the present invention, provide a kind of motor, comprised stator core and be arranged on the rotor of stator core inside, rotor is the rotor of above-mentioned any one.Preferably, rotor also comprises armature spindle 30, and rotor core 10 is socketed on armature spindle 30.As shown in figure 11, in the assembling process of motor, first rotor core 10 is pressed on armature spindle 30, then magnetic shoe 20 is inserted in rotor core groove successively by N, S are extremely alternate, complete rotor assembling.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a rotor, comprise rotor core (10) and be arranged on the magnetic shoe (20) in described rotor core (10) outside, it is characterized in that, on the outer wall of described rotor core (10), be provided with scarfing slot (11); Described magnetic shoe (20) is arranged in described scarfing slot (11), and on described magnetic shoe (20), is provided with the scarfing unit (21) in mating connection with described scarfing slot (11).
2. rotor according to claim 1, it is characterized in that, the notch end of two sidewalls of described scarfing slot (11) is all obliquely installed towards the inner side of described scarfing slot (11), and described scarfing unit (21) has the angle of inclination identical with the described sidewall of described scarfing slot (11).
3. rotor according to claim 1, it is characterized in that, on the outer wall of described rotor core (10), be provided with the clamping part (12) of paired setting, and described scarfing slot (11) is formed by described paired clamping part (12).
4. rotor according to claim 3, it is characterized in that, on the outer wall of described rotor core (10), be provided with multipair described clamping part (12), and described multipair clamping part (12) is along the circumferential setting of described rotor core (10).
5. rotor according to claim 3, is characterized in that, described paired clamping part (12) is arranged on the both sides of a magnetic pole of described rotor core (10) correspondingly.
6. rotor according to claim 5, it is characterized in that, between the described clamping part of adjacent two couple (12), be provided with air gap groove (13), and the outer wall of the opening of described air gap groove (13) and adjacent two described clamping parts (12) connects.
7. rotor according to claim 6, is characterized in that, described air gap groove (13) is swallow-tail form.
8. rotor according to claim 3, it is characterized in that, the sidewall of described clamping part (12) comprises the interlocking face (15) and the clamping face (14) that set gradually along the direction of the axis away from described rotor core (10), and the both sides of described magnetic shoe (20) are provided with the mating surface (22) matching with described clamping face (14).
9. rotor according to claim 8, it is characterized in that, the angle α between the tangent line of rotor core (10) outer wall at described interlocking face (15) and described scarfing slot (11) centre position place is less than the angle β between described clamping face (14) and described tangent line.
10. a motor, comprises stator core and the rotor that is arranged on described stator core inside, it is characterized in that, described rotor is the rotor described in any one in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441523.XA CN104158329A (en) | 2014-09-01 | 2014-09-01 | Motor and rotor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441523.XA CN104158329A (en) | 2014-09-01 | 2014-09-01 | Motor and rotor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104158329A true CN104158329A (en) | 2014-11-19 |
Family
ID=51883768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410441523.XA Pending CN104158329A (en) | 2014-09-01 | 2014-09-01 | Motor and rotor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104158329A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425709A (en) * | 2008-08-11 | 2009-05-06 | 隆鑫工业有限公司 | Permanent magnet generator rotor |
| CN201398102Y (en) * | 2009-06-22 | 2010-02-03 | 哈尔滨理工大学 | Rotor of permanent-magnet wind-driven generator |
| JP2011067057A (en) * | 2009-09-18 | 2011-03-31 | Mitsuba Corp | Brushless motor |
| CN204068479U (en) * | 2014-09-01 | 2014-12-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and rotor thereof |
-
2014
- 2014-09-01 CN CN201410441523.XA patent/CN104158329A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425709A (en) * | 2008-08-11 | 2009-05-06 | 隆鑫工业有限公司 | Permanent magnet generator rotor |
| CN201398102Y (en) * | 2009-06-22 | 2010-02-03 | 哈尔滨理工大学 | Rotor of permanent-magnet wind-driven generator |
| JP2011067057A (en) * | 2009-09-18 | 2011-03-31 | Mitsuba Corp | Brushless motor |
| CN204068479U (en) * | 2014-09-01 | 2014-12-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and rotor thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141119 |