CN203942350U - The desk permanent-magnet iron-core less motor of adjustable air gap magnetic strength - Google Patents
The desk permanent-magnet iron-core less motor of adjustable air gap magnetic strength Download PDFInfo
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- CN203942350U CN203942350U CN201420394988.XU CN201420394988U CN203942350U CN 203942350 U CN203942350 U CN 203942350U CN 201420394988 U CN201420394988 U CN 201420394988U CN 203942350 U CN203942350 U CN 203942350U
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Abstract
The utility model belongs to machine field, and the utility model relates to a kind of desk permanent-magnet iron-core less motor, especially a kind of constructive method and structure of desk permanent-magnet iron-core less motor of adjustable air gap magnetic strength.The air gap magnetic strength of existing traditional disc type permanent magnet iron coreless motor can not be adjusted, and therefore its back-emf is also nonadjustable, and this defect has affected practicality and the adaptability of such motor widely.In order to overcome the above-mentioned shortcoming of existing traditional disc type permanent magnet iron coreless motor, the utility model provides a kind of constructive method and structure of desk permanent-magnet iron-core less motor of adjustable air gap magnetic strength, this motor gas-gap magnetic strength is adjustable, therefore its back-emf is also adjustable, is particularly suitable for manufacturing the desk permanent-magnet iron-core less motor of high rotating speed, high efficiency, high-adaptability.
Description
Technical field
The utility model belongs to machine field, and the utility model relates to a kind of desk permanent-magnet iron-core less motor, especially a kind of constructive method and structure of desk permanent-magnet iron-core less motor of adjustable air gap magnetic strength.
Background technology
The air gap magnetic strength of existing traditional disc type permanent magnet iron coreless motor can not be adjusted, and therefore its back-emf is also nonadjustable, and this defect has affected practicality and the adaptability of such motor widely.
Summary of the invention
In order to overcome the above-mentioned shortcoming of existing traditional disc type permanent magnet iron coreless motor, the utility model provides a kind of constructive method and structure of desk permanent-magnet iron-core less motor of adjustable air gap magnetic strength, this motor gas-gap magnetic strength is adjustable, therefore its back-emf is also adjustable, is particularly suitable for manufacturing the desk permanent-magnet iron-core less motor of high rotating speed, high efficiency, high-adaptability.
The utility model solves the technical scheme that its technical problem adopts:
Adopt worm and gear to regulate the structure of gear magnetic sheet air gap, the air gap of two metals gear magnetic sheets of motor can be adjusted, and then can adjust back-emf, thereby greatly increase the adaptability of such motor and improved power density and the efficiency of such motor.
This desk permanent-magnet iron-core less motor is made up of motor rotor component, stator module and casing etc.Motor rotor component is made up of machine shaft, fixed stop magnetic sheet and mobile gear magnetic sheet.By sealing, the winding in thermosetting plastic forms stator module.
The architectural feature of this desk permanent-magnet iron-core less motor is: fore bearing, axial restraint gear magnetic sheet, spring are housed on machine shaft, move axially gear magnetic sheet, thrust bearing and rear bearing; Thrust bearing is contained in thrust axis bearing sleeve, thrust axis bearing sleeve connects with the internal thread of motor intermediate end cover by external screw thread, thrust axis bearing sleeve connects with the outer four directions on worm gear by interior four directions, worm gear connects with worm screw, fore bearing is fixed in front end housing, stator is fixed between front end housing and intermediate end cover, worm and gear is arranged between intermediate end cover and rear end cap, rear bearing is fixed in rear end cap, front end housing, intermediate end cover and rear end cap are bolted, fan is fixed on motor shaft, and fan guard is fixed on rear end cap.
The beneficial effects of the utility model are:
1) can make mobile gear magnetic sheet move vertically by rotary worm.
2) technique is simple.
3) air gap is adjustable, and back-emf is adjustable, has improved magnetic energy utilization rate.
4) electric efficiency is high, power factor is high.
5) output torque is large.
6) slotless effect.
7) rotating speed is steady.
Brief description of the drawings
Further illustrate specific structural features of the present utility model below in conjunction with Figure of description and embodiment.
Fig. 1 is the overall installation diagram of desk permanent-magnet iron-core less motor of the present utility model.The 1st, machine shaft, the 2nd, front end housing, the 3rd, fore bearing, the 4th, axial restraint gear magnetic sheet, the 5th, permanent magnet, the 6th, stator, the 7th, casing, the 8th, permanent magnet, the 9th, move axially gear magnetic sheet, the 10th, thrust bearing, the 11st, intermediate end cover, the 12nd, thrust axis bearing sleeve, the 13rd, worm screw, the 14th, worm gear, the 15th, rear end cap, the 16th, fan, the 17th, rear bearing, the 18th, fan guard, the 19th, casing set bolt, the 20th, fan guard set bolt, the 21st, spring.
Embodiment
In Fig. 1, fore bearing 3, axial restraint gear magnetic sheet 4, spring 21 are housed on machine shaft 1, move axially gear magnetic sheet 9, thrust bearing 10 and rear bearing 17, thrust bearing 10 is contained in thrust axis bearing sleeve 12, thrust axis bearing sleeve 12 connects with the internal thread of motor intermediate end cover 11 by external screw thread, thrust axis bearing sleeve 12 connects with the outer four directions on worm gear 14 by interior four directions, worm gear 14 connects with worm screw 13, fore bearing 3 is fixed in front end housing 2, stator 6 is fixed between front end housing 2 and intermediate end cover 11, worm gear 14 and worm screw 13 are arranged between intermediate end cover 11 and rear end cap 15, rear bearing 17 is fixed in rear end cap 15, front end housing 2, intermediate end cover 11 and rear end cap 15 are fixing by bolt 19, fan 16 is fixed on motor shaft 1, fan guard 18 is fixed on rear end cap 15 by bolt 20.
Rotary worm 13 drives worm gear 14 to rotate, and then drives thrust axis bearing sleeve 12 to move vertically, therefore changes axial restraint gear magnetic sheet 4 and moves axially the air gap distance between gear magnetic sheet 9, reaches the object of adjustable air gap magnetic strength.
Useful servomotor drives worm screw 13 automatically to adjust air gap magnetic strength and back-emf height.
Claims (1)
1. a desk permanent-magnet iron-core less motor for adjustable air gap magnetic strength, is characterized in that: fore bearing (3), axial restraint gear magnetic sheet (4), spring (21) are housed on machine shaft (1), move axially gear magnetic sheet (9), thrust bearing (10) and rear bearing (17), thrust bearing (10) is contained in thrust axis bearing sleeve (12), thrust axis bearing sleeve (12) connects with the internal thread of motor intermediate end cover (11) by external screw thread, thrust axis bearing sleeve (12) connects with the outer four directions on worm gear (14) by interior four directions, worm gear (14) connects with worm screw (13), fore bearing (3) is fixed in front end housing (2), stator (6) is fixed between front end housing (2) and intermediate end cover (11), worm gear (14) and worm screw (13) are arranged between intermediate end cover (11) and rear end cap (15), rear bearing (17) is fixed in rear end cap (15), front end housing (2), intermediate end cover (11) and rear end cap (15) are fixing by bolt (19), fan (16) is fixed on motor shaft (1), fan guard (18) is fixed on rear end cap (15) by bolt (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394988.XU CN203942350U (en) | 2014-07-10 | 2014-07-10 | The desk permanent-magnet iron-core less motor of adjustable air gap magnetic strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394988.XU CN203942350U (en) | 2014-07-10 | 2014-07-10 | The desk permanent-magnet iron-core less motor of adjustable air gap magnetic strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203942350U true CN203942350U (en) | 2014-11-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420394988.XU Active CN203942350U (en) | 2014-07-10 | 2014-07-10 | The desk permanent-magnet iron-core less motor of adjustable air gap magnetic strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203942350U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967256A (en) * | 2015-07-14 | 2015-10-07 | 华英汽车集团有限公司 | Disc type motor with adjustable air gap |
| CN104993647A (en) * | 2015-07-14 | 2015-10-21 | 华英汽车集团有限公司 | Air-gap-adjustable disc-type motor and control method thereof |
| CN105281452A (en) * | 2014-07-10 | 2016-01-27 | 山东省明康安托山特种机电有限公司 | Forming method and structure of disc type permanent magnetic iron-core-free motor with adjustable air gap magnetic induction intensity |
| CN114552922A (en) * | 2022-03-31 | 2022-05-27 | 郑州大学 | Assembling process of double-rotor axial flux motor |
-
2014
- 2014-07-10 CN CN201420394988.XU patent/CN203942350U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281452A (en) * | 2014-07-10 | 2016-01-27 | 山东省明康安托山特种机电有限公司 | Forming method and structure of disc type permanent magnetic iron-core-free motor with adjustable air gap magnetic induction intensity |
| CN104967256A (en) * | 2015-07-14 | 2015-10-07 | 华英汽车集团有限公司 | Disc type motor with adjustable air gap |
| CN104993647A (en) * | 2015-07-14 | 2015-10-21 | 华英汽车集团有限公司 | Air-gap-adjustable disc-type motor and control method thereof |
| CN114552922A (en) * | 2022-03-31 | 2022-05-27 | 郑州大学 | Assembling process of double-rotor axial flux motor |
| CN114552922B (en) * | 2022-03-31 | 2024-01-19 | 郑州大学 | Assembling process of dual-rotor axial flux motor |
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