CN206313563U - A kind of brushless electric motor rotor component with pole set - Google Patents
A kind of brushless electric motor rotor component with pole set Download PDFInfo
- Publication number
- CN206313563U CN206313563U CN201621461198.4U CN201621461198U CN206313563U CN 206313563 U CN206313563 U CN 206313563U CN 201621461198 U CN201621461198 U CN 201621461198U CN 206313563 U CN206313563 U CN 206313563U
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- China
- Prior art keywords
- pole set
- magnet steel
- rotor
- brushless electric
- electric motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/30—Reducing waste in manufacturing processes; Calculations of released waste quantities
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a kind of brushless electric motor rotor component with pole set, including pole set, magnet steel, rotor chip and motor shaft, motor shaft connects rotor chip, rotor chip connects magnet steel, pole set is arranged with outside magnet steel, pole set is round tubular structure, the utility model carries out security protection to magnet steel, prevent magnet steel from phenomenon is fallen off in high speed rotary motion, ensure that the normal of product is used, assembly technology can either be made to be easy to operation, the structural integrity of rotor assembly is ensure that again, manufacturing process is simple, easily realize mass production, with great economic benefit and market application foreground, while motor rotor component rotation reliability is ensured, greatly reduce the material scrap phenomenon that former technique deficiency is caused, reduce product quality risk, greatly cost is saved, meet the market demand.
Description
Technical field
The utility model is related to technical field of motors, specifically a kind of brushless electric motor rotor component with pole set.
Background technology
Brushless electric machine is a kind of typical electromechanical integrated product, with stator and rotor, compared to brush motor, in knot
Commutating brush of the brush motor for checker electromagnetic field, in the prior art, current brushless electric motor rotor are eliminated on structure
It is made up of motor shaft, rotor core, rare-earth magnet, magnet and rotor chip assembly work as nothing with together with special magnet glue bond
During brush motor application rotary speed working environment high, often occur rotor magnetic steel come off or the rupture of stress plane stress phenomenon, it is existing
In technology, common solution is that magnet is changed into annular magnet ring, or increases dovetail groove so as to increase intensity in bottom, but
Nonetheless, current brushless electric machine is still likely to result in rotor magnetic steel when high speed rotates and comes off or because the excessive face of centrifugal force is broken
Split, therefore the quality risk of product can still be present, operationally can still there is certain danger in product.
Utility model content
The purpose of this utility model is to provide a kind of brushless electric motor rotor component with pole set, to solve above-mentioned background
The problem proposed in technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of brushless electric motor rotor component with pole set, including pole set, magnet steel, rotor chip and motor shaft, motor
Axle connects rotor chip, and rotor chip connection magnet steel is arranged with pole set outside magnet steel, pole set is round tubular structure.
As further program of the utility model：The pole set inwall uses interference fit with magnet steel surface.
As further program of the utility model：The pole set uses non-magnetic rustproof Steel material.
As further program of the utility model：The pole set uses thin-wall construction.
Compared with prior art, the beneficial effects of the utility model are：Pole set is made of using non-magnetic rustproof Steel material,
With non-magnetic performance, influence will not be produced on the magnetic circuit of motor, reliable working performance, pole set uses tubulose thin-wall construction,
Thinner thickness, can to greatest extent mitigate the weight of rotor assembly, reduce motor load, improve service behaviour, while reducing
Production cost, saves production material, can effectively ensure that mechanical strength, reinforces rotor assembly, to magnet steel carries out security protection,
Prevent magnet steel from phenomenon is fallen off in high speed rotary motion, it is ensured that the normal of product is used, and can either be easy to assembly technology
Operation, ensure that the structural integrity of rotor assembly again, and manufacturing process is simple, mass production is easily realized, with very big
Economic benefit and market application foreground, ensure motor rotor component rotation reliability while, greatly reduce former technique
The material scrap phenomenon that deficiency is caused, reduces product quality risk, has greatly saved cost, meets the market demand.
Brief description of the drawings
Fig. 1 is assembling schematic diagram of the present utility model；
Fig. 2 is sectional view of the present utility model.
In figure：1- poles set, 2- magnet steel, 3- rotors chip, 4- motor shafts.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1 is referred to, in the utility model embodiment, a kind of brushless electric motor rotor component with pole set, including pole set
1st, magnet steel 2, rotor chip 3 and motor shaft 4, the connection rotor of motor shaft 4 chip 3, the connection magnet steel 2 of rotor chip 3, outside magnet steel 2
Portion is arranged with pole set 1, and pole set 1 is round tubular structure, and pole covers 1 inwall and uses interference fit with the surface of magnet steel 2, can effectively protect
Card mechanical strength, reinforces rotor assembly, and security protection is carried out to magnet steel 2, prevents magnet steel 2 from being fallen off in high speed rotary motion
Phenomenon, it is ensured that the normal of product is used, pole set 1 uses non-magnetic rustproof Steel material, with non-magnetic performance, when motor work
When, pole set 1 will not produce influence to the magnetic circuit of motor, and reliable working performance, pole set 1 uses thin-wall construction, and thinner thickness can
Mitigate the weight of rotor assembly to greatest extent, reduce motor load, improve service behaviour, while reducing production cost, save
About production material.
During utility model works, rotor chip 3 is pressed on motor shaft 4, magnet steel 2 is arranged on rotor chip 3, adopted
Pole is covered into 1 with special press mounting tool to be pressed on magnet steel 2, pole is covered 1 inwall with the outer surface of magnet steel 2 in interference fit, pole set 1 is adopted
It is made of using non-magnetic rustproof Steel material, with non-magnetic performance, when motor works, pole set 1 will not be to the magnetic circuit of motor
Influence, reliable working performance are produced, pole covers 1 using tubulose thin-wall construction, and thinner thickness can to greatest extent mitigate rotor set
The weight of part, reduces motor load, improves service behaviour, while reducing production cost, saves production material, when motor work
When, electric motor starting simultaneously carries out high speed rotation, motor shaft 4 produce centrifugal action in rotor surface, to the surface of magnet steel 2 of rotor
Stress and centrifugal action are produced, pole set 1 is arranged with outside magnet steel 2, magnet steel 2 and pole set 1 use interference fit, Neng Gouyou
Effect ensures mechanical strength, reinforces rotor assembly, and security protection is carried out to magnet steel 2, prevents magnet steel 2 from occurring in high speed rotary motion
Obscission, it is ensured that the normal of product is used, the utility model is used by press-fiting rotor pole set after rotor magnetic steel is assembled
Interference fit, can either make assembly technology be easy to operation, and the structural integrity of rotor assembly is ensure that again, and magnet steel will not occur
2 phenomenons for coming off, pole set 1 is made of magnetism-free stainless steel material, and cost is relatively low, while motor service behaviour is not influenceed, pole set 1
Using thin-wall construction, manufacturing process is simple, easily realizes mass production, with great economic benefit and market using preceding
Scape, while motor rotor component rotation reliability is ensured, greatly reduces the material scrap phenomenon that former technique deficiency is caused,
Product quality risk is reduced, cost has greatly been saved, the market demand is met.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (4)
1. a kind of brushless electric motor rotor component with pole set, including pole set, magnet steel, rotor chip and motor shaft, its feature
It is, motor shaft connection rotor chip that rotor chip connection magnet steel is arranged with pole set outside magnet steel, pole set is round tubular knot
Structure.
2. the brushless electric motor rotor component with pole set according to claim 1, it is characterised in that pole set inwall with
Magnet steel surface uses interference fit.
3. the brushless electric motor rotor component with pole set according to claim 1, it is characterised in that pole set uses nothing
Magnetic stainless steel material.
4. the brushless electric motor rotor component with pole set according to claim 1, it is characterised in that pole set is using thin
Wall construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461198.4U CN206313563U (en) | 2016-12-29 | 2016-12-29 | A kind of brushless electric motor rotor component with pole set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461198.4U CN206313563U (en) | 2016-12-29 | 2016-12-29 | A kind of brushless electric motor rotor component with pole set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206313563U true CN206313563U (en) | 2017-07-07 |
Family
ID=59248403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621461198.4U Active CN206313563U (en) | 2016-12-29 | 2016-12-29 | A kind of brushless electric motor rotor component with pole set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206313563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571969A (en) * | 2019-09-30 | 2019-12-13 | 荣成市恒力电机有限公司 | Built-in permanent magnet motor rotor and permanent magnet motor |
-
2016
- 2016-12-29 CN CN201621461198.4U patent/CN206313563U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571969A (en) * | 2019-09-30 | 2019-12-13 | 荣成市恒力电机有限公司 | Built-in permanent magnet motor rotor and permanent magnet motor |
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