CN208241431U - A kind of dock rotor structure - Google Patents
A kind of dock rotor structure Download PDFInfo
- Publication number
- CN208241431U CN208241431U CN201820802431.3U CN201820802431U CN208241431U CN 208241431 U CN208241431 U CN 208241431U CN 201820802431 U CN201820802431 U CN 201820802431U CN 208241431 U CN208241431 U CN 208241431U
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- Prior art keywords
- rotor
- insulation sleeve
- permanent magnet
- locating detent
- dock
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Abstract
It is easily installed the utility model discloses a kind of permanent magnet and utilization rate is high, dock rotor structure that integral strength significantly increases simultaneously.It includes rotor portions and the rotor cap that is set in rotor portions, the rotor portions are docked by two rotor monomers, rotor monomer includes rotor core and several permanent magnets circumferentially distributed along rotor core, rotor core is equipped with insulation sleeve, insulation sleeve includes the insulation sleeve ontology being fixed on rotor core and several along the circumferentially equally distributed locating detent of rotor core, one end of locating detent is connect with insulation sleeve ontology, the other end of locating detent is fixed on rotor core, the slot for accommodating permanent magnet is formed between two neighboring locating detent, permanent magnet is plugged in corresponding slot.
Description
Technical field
The utility model relates to motor field more particularly to a kind of dock rotor structures.
Background technique
With the continuous improvement of permanent magnetic material performance and the development of motor technology, permanent magnetic brushless is in each of national economy
A field has obtained extremely being widely applied, for permanent magnetic brushless rotor, other than electromagnetic performance, and the direct shadow of rotor structure
Maximum speed and level of vibration are rung, rotor there must be enough intensity, it is ensured that rotor part will not be because of high speed rotation
The centrifugal force of generation and destroy；There must be good dynamic property, it is ensured that rotor structure will not generate big deformation because of vibration；
Safe and stable operation at different temperature is allowed for, dynamic balancing and structural damage problem caused by not occurring because of thermal expansion,
Commonly used rotor structure is surface-mount type structure on the market at present, i.e. the permanent magnet surface that is affixed on rotor core, this structure
There are more permanent magnet eddy-current losses, while being also relatively difficult to meet high-intensitive requirement.
The permanent magnet prices of raw materials are more expensive simultaneously, cause permanent magnetic brushless cost price high, magnet magnetizes more
Using multipole magnetization mode, the even numbers pole such as 2,4,6,8,10 used, the spacing between adjacent number of poles cause permanent magnet waste degree compared with
Greatly.The mounting means of permanent magnet is also always part problem, the installation for patch-types permanent magnets such as annular or arcs, and current one
As by the way of glue bonding, installation strength and installation effect are not very well, for a long time using under the stability of rear glue
It drops more obvious, it is difficult to meet the demanding motor of some security performances.
Utility model content
The purpose of this utility model is to overcome deficiency in the prior art, a kind of permanent magnet is provided and is easily installed and benefit
The dock rotor structure that high while integral strength significantly increases with rate.
To achieve the goals above, the utility model uses following technical scheme:
A kind of dock rotor structure, including
Rotor portions and the rotor cap being set in rotor portions, the rotor portions are docked by two rotor monomers, rotor
Monomer includes rotor core and several permanent magnets circumferentially distributed along rotor core；
The rotor core is equipped with insulation sleeve, and insulation sleeve includes the insulation sleeve ontology being fixed on rotor core and several
Along the circumferentially equally distributed locating detent of rotor core, one end of locating detent is connect with insulation sleeve ontology, and the other end of locating detent is solid
It is scheduled on rotor core, forms the slot for accommodating permanent magnet between two neighboring locating detent, permanent magnet is plugged in corresponding
In slot.Permanent magnet is inserted into corresponding slot when it is implemented, insulation sleeve and rotor core integrated molding by the utility model,
Complete rotor monomer is formed, two rotor monomers are subjected to end and dock to form rotor portions, are finally socketed in rotor portions again
Rotor cap is fixed.Two independent rotor monomers docking, rotor portions axially upper two permanent magnets be also it is separated, favorably
In inhibiting permanent magnet internal vortex, reduces the intracorporal stress of permanent magnetism and concentrate, insulation sleeve improves the installation strength of permanent magnet, and energy
It magnetizes again after enough assembly, simplifies technique, permanent magnet, insulation sleeve and rotor core pass through rotor cap and be tightly rolled into one completely
Entirety, improve the integral strength of rotor.
Preferably, the insulation sleeve ontology is equipped with several grooves away from one end of locating detent, groove is along insulation sleeve ontology
Circumferential direction be uniformly distributed, the end of rotor cap is equipped with several briquettings for being pressed into groove, and groove and briquetting correspond, briquetting position
In corresponding groove.After rotor portions are inserted in rotor cap, briquetting indentation groove can be fixed the two, and such fixation side
Formula is able to bear biggish torque.
Preferably, the locating detent is equipped with far from one end of insulation sleeve ontology for making two rotor monomer stabilization docking
Docking column.When two rotor monomer docking, docking column is mutually staggered, and makes two to turn using the extruding force of docking column flexible deformation
Sub- monomer docks more to fasten.
Preferably, the rotor core is circumferentially evenly equipped with several and one-to-one faceted pebble of slot, have on permanent magnet
With the positioning plane of faceted pebble cooperation, in a slot: faceted pebble is bonded with positioning plane.Plane and faceted pebble are positioned with good
It is inserted into fitness, after permanent magnet is inserted into slot, positioning plane is fitted closely with faceted pebble, and this fit structure is easy to manufacture,
Cooperate precision degree of controllability high, keeps permanent magnet installation firm and small as far as possible with rotor core gap.
Preferably, the another side on the permanent magnet relative to positioning plane is arcwall face.Arcwall face reduces leakage field system
Number improves motor performance, improves the magnetic field utilization rate of permanent magnet.
Preferably, the material of the insulation sleeve is resin.Resin is hard with matter, clean and environmental protection, flame-resistant insulation are good, heat-resisting
The advantages that temperature height, corrosion resistance and good, it is suitable as the production material of insulation sleeve.
It is tightly wrapped up the beneficial effects of the utility model are: (1) permanent magnet, insulation sleeve and rotor core pass through rotor cap
It is complete whole at one, the integral strength of rotor is improved, stronger centrifugal force is able to bear；(2) two rotor monomers pair
The form connect can have been assembled and magnetized again, so that minimum and magnetic circuit position not entanglement is reduced in magnetic circuit loss, be docked simultaneously
Form be conducive to reduce eddy-current loss；(3) insulation sleeve wraps permanent magnet, guarantees permanent magnet installation strength with higher, surely
Qualitative height, and insulation sleeve is conducive to reduce the interference that permanent magnetism iron circuit is subject to；(4) permanent magnet is embedded in using discontinuous mode and is turned
In the slot of sub- iron core surrounding, permanent magnet utilization rate is high, and positioning plane and faceted pebble have good insertion fitness, makes permanent magnet
Installation is firm and small as far as possible with rotor core gap, and arcwall face then reduces magnetic leakage factor, improves motor performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram at another visual angle of the utility model；
Fig. 3 is the explosive view of Fig. 1；
Fig. 4 is the structural schematic diagram of rotor core and insulation sleeve in the utility model；
Fig. 5 is the structural schematic diagram of permanent magnet in the utility model.
In figure: rotor portions 1, rotor cap 2, rotor monomer 3, rotor core 4, permanent magnet 5, positioning plane 51, arcwall face 52,
Insulation sleeve 6, insulation sleeve ontology 61, locating detent 62, slot 63, docking column 64, groove 65, briquetting 66.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.
As shown in Figures 1 to 5, a kind of dock rotor structure, including rotor portions 1 and the rotor cap being set in rotor portions
2, rotor cap uses aluminum material, and the rotor cap of aluminum is relatively light and plays the role of eddy-current screen, and the rotor portions are by two rotors
Monomer 3 docks, and rotor monomer includes rotor core 4 and several permanent magnets 5 circumferentially distributed along rotor core.
The rotor core is equipped with insulation sleeve 6, and the material of insulation sleeve is resin, and resin has hard matter, clean and environmental protection, absolutely
The advantages that edge is fire-retardant good, heat resisting temperature is high, corrosion resistance and good, is suitable as the production material of insulation sleeve, and insulation sleeve includes solid
The insulation sleeve ontology 61 that is scheduled on rotor core and several along the circumferentially equally distributed locating detent 62 of rotor core, the one of locating detent
End is connect with insulation sleeve ontology, and the other end of locating detent is fixed on rotor core, is formed and is used between two neighboring locating detent
The slot 63 of permanent magnet is accommodated, permanent magnet is plugged in corresponding slot, and locating detent is equipped with far from one end of insulation sleeve ontology and uses
When the docking column 64 for docking two rotor monomer stabilizations, two rotor monomer docking, docking column is mutually staggered, and utilizes docking
The extruding force of column flexible deformation makes two rotor monomers dock more to fasten.If insulation sleeve ontology is equipped with away from one end of locating detent
Dry groove 65, groove are uniformly distributed along the circumferential direction of insulation sleeve ontology, and the end of rotor cap is equipped with several briquettings for being pressed into groove
66, groove and briquetting correspond, and briquetting is located in corresponding groove, and the fixed form of briquetting and groove is able to bear biggish
Torque.
The rotor core is circumferentially evenly equipped with several and one-to-one faceted pebble of slot, has on permanent magnet and faceted pebble cooperates
Positioning plane 51, in a slot: faceted pebble with positioning plane be bonded；It is relative to the another side for positioning plane on permanent magnet
Arcwall face 52.Positioning plane and faceted pebble has good insertion fitness, keep permanent magnet installation firm and with rotor core gap
It is small as far as possible, and arcwall face reduces magnetic leakage factor, improves motor performance, improves the magnetic field utilization rate of permanent magnet, this structure is forever
The processing is simple for magnet, accurate positioning, and magnetic leakage factor is small.
For the utility model when it is implemented, rotor core and insulation sleeve are integrally formed, the connection increased between each component is strong
Degree, then according to the specific size of rotor core and number of magnetic poles, determines the number and size of permanent magnet, the shape of permanent magnet
By being specifically designed, so that permanent magnet is easier to process and insertion, each permanent magnet is inserted in corresponding slot, permanent magnet and right
It is fitted close between the slot answered, needing to apply certain extruding force may be only inserted in slot, and this structure can be forever
Magnet has assembled to magnetize again, so that minimum and magnetic circuit position not entanglement, the rotor that will have been assembled are reduced in magnetic circuit loss
Monomer is docked, and docking column is mutually staggered, and is combined into two rotor monomers by the extruding force of docking column flexible deformation and is turned
Sub-portion fastens docking more.Rotor portions are finally inserted in the rotor cap of aluminum, reach reinforcement again and the vortex screen of bonding strength
The effect covered utilizes structural advantage for the fixation of rotor cap, using the side of one end closing in and an end pressure block and groove cooperation
It is unified and complete to reach good structure for formula.
It is tightly rolled into the beneficial effects of the utility model are: permanent magnet, insulation sleeve and rotor core pass through rotor cap
One complete whole, improves the integral strength of rotor, is able to bear stronger centrifugal force；The shape of two rotor monomers docking
Formula can have been assembled and magnetized again, so that minimum and magnetic circuit position not entanglement, while the form docked are reduced in magnetic circuit loss
Conducive to reduction eddy-current loss；Insulation sleeve wraps permanent magnet, guarantees permanent magnet installation strength with higher, and stability is high, and
Insulation sleeve is conducive to reduce the interference that permanent magnetism iron circuit is subject to；Permanent magnet is embedded in rotor core surrounding using discontinuous mode
In slot, permanent magnet utilization rate is high, and positioning plane and faceted pebble have good insertion fitness, keep permanent magnet installation firm and with
Rotor core gap is small as far as possible, and arcwall face then reduces magnetic leakage factor, improves motor performance.
Claims (6)
1. a kind of dock rotor structure, characterized in that including
Rotor portions and the rotor cap being set in rotor portions, the rotor portions are docked by two rotor monomers, rotor monomer
Including rotor core and several permanent magnets circumferentially distributed along rotor core；
Rotor core is equipped with insulation sleeve, and insulation sleeve includes the insulation sleeve ontology being fixed on rotor core and several along rotor iron
The circumferentially equally distributed locating detent of core, one end of locating detent are connect with insulation sleeve ontology, and the other end of locating detent is fixed on rotor
The slot for accommodating permanent magnet is formed on iron core, between two neighboring locating detent, permanent magnet is plugged in corresponding slot.
2. a kind of dock rotor structure according to claim 1, characterized in that the insulation sleeve ontology deviates from locating detent
One end be equipped with several grooves, groove is uniformly distributed along the circumferential direction of insulation sleeve ontology, and the end of rotor cap is equipped with several be pressed into
The briquetting of groove, groove and briquetting correspond, and briquetting is located in corresponding groove.
3. a kind of dock rotor structure according to claim 1 or 2, characterized in that the locating detent is far from insulation sleeve
One end of ontology is equipped with the docking column for docking two rotor monomer stabilizations.
4. a kind of dock rotor structure according to claim 1, characterized in that if the rotor core is circumferentially evenly equipped with
It is dry that there is positioning plane cooperate with faceted pebble on permanent magnet with slot one-to-one faceted pebble, in a slot: faceted pebble with determine
Bit plane fitting.
5. a kind of dock rotor structure according to claim 4, characterized in that flat relative to positioning on the permanent magnet
The another side in face is arcwall face.
6. a kind of dock rotor structure according to claim 1 or 2, characterized in that the material of the insulation sleeve is tree
Rouge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820802431.3U CN208241431U (en) | 2018-05-28 | 2018-05-28 | A kind of dock rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820802431.3U CN208241431U (en) | 2018-05-28 | 2018-05-28 | A kind of dock rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208241431U true CN208241431U (en) | 2018-12-14 |
Family
ID=64575954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820802431.3U Active CN208241431U (en) | 2018-05-28 | 2018-05-28 | A kind of dock rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208241431U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711974A (en) * | 2018-05-28 | 2018-10-26 | 宁波德昌科技有限公司 | A kind of rotor for permanent magnetic brushless |
| DE102019205993A1 (en) * | 2019-04-26 | 2020-10-29 | Robert Bosch Gmbh | Protective sleeve for a rotor of an electrical machine as well as a rotor arrangement and an electrical machine |
-
2018
- 2018-05-28 CN CN201820802431.3U patent/CN208241431U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711974A (en) * | 2018-05-28 | 2018-10-26 | 宁波德昌科技有限公司 | A kind of rotor for permanent magnetic brushless |
| DE102019205993A1 (en) * | 2019-04-26 | 2020-10-29 | Robert Bosch Gmbh | Protective sleeve for a rotor of an electrical machine as well as a rotor arrangement and an electrical machine |
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