CN208285091U - A kind of rotor assembly and the used in new energy vehicles permanent magnet synchronous motor using it - Google Patents
A kind of rotor assembly and the used in new energy vehicles permanent magnet synchronous motor using it Download PDFInfo
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- CN208285091U CN208285091U CN201820746152.XU CN201820746152U CN208285091U CN 208285091 U CN208285091 U CN 208285091U CN 201820746152 U CN201820746152 U CN 201820746152U CN 208285091 U CN208285091 U CN 208285091U
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Abstract
The utility model relates to a kind of rotor assembly and using its used in new energy vehicles permanent magnet synchronous motor, the rotor assembly includes shaft, bottom plate, several pieces of rotor unit modules, upper head plate and locking nut, bottom plate, several pieces of rotor unit modules, upper head plate is successively stacked on the positioning step of shaft, then upper head plate is compressed using the locking nut being mounted in shaft, the first keyway and the second keyway are axially arranged on the surface of shaft, first keyway and the second keyway are circumferentially forming included angle A, the inner wall of the axis hole of rotor core is protruding with key, shaft surface is nested in equipped with formation skewed pole rotor or non-skewed pole rotor inside the first keyway or/and the second keyway by the key inside the axis hole of the rotor core of several pieces of rotor unit modules, it does not need to distinguish rotor unit module rotor core front and back sides when installing are come, it avoids Because of mistake, and time-consuming short, high production efficiency.
Description
Technical field:
The utility model relates to a kind of rotor assembly and the used in new energy vehicles permanent magnet synchronous motor using it.
Background technique:
Under normal conditions, the rotor assembly of used in new energy vehicles permanent magnet synchronous motor is generally by the way of the oblique pole of rotor punching
Cogging torque is effectively reduced, although tiltedly the rotor punching of pole also can be made not skewed pole rotor rotor punching, either rotor
Oblique pole or not oblique pole require to distinguish the front and back sides of rotor punching, easily wrongly installed, and when distinguishing front and back sides process and needing to expend
Between, production efficiency is low.
Utility model content:
The purpose of the utility model is to provide a kind of rotor assembly and application its used in new energy vehicles permanent magnet synchronous motor, it
Solve the life that rotor assembly in the prior art forms the rotor of oblique pole or not oblique pole using the different mounting means of rotor punching
During production, need to distinguish the front and back sides of rotor punching to install, it is easily wrongly installed, and the time is expended, the low technology of production efficiency
Problem.
The purpose of this utility model is achieved by following technical proposals:
A kind of rotor assembly, including shaft, bottom plate, several pieces of rotor unit modules, upper head plate and locking nut, shaft
Positioning step is set on the outer surface of middle section, and bottom plate, several pieces of rotor unit modules, upper head plates are successively stacked in the positioning of shaft
On step, upper head plate then is compressed using the locking nut being mounted in shaft, positioning step and locking nut are to successively closed assembly
Bottom plate, several pieces of rotor unit modules and upper head plate in shaft carry out axially position, the rotor unit module packet
If including several magnet steel inside the rotor core being overrided to form by dry plate rotor punching and the magnetic slot for being mounted on rotor core,
The first keyway and the second keyway are axially arranged on the surface of shaft, and the first keyway and the second keyway are circumferentially forming included angle A, rotor
The inner wall of the axis hole of iron core is protruding with key, is nested in by the key inside the axis hole of the rotor core of several pieces of rotor unit modules
To form skewed pole rotor or non-skewed pole rotor inside first keyway on shaft surface or/and the second keyway.
Key inside the axis hole of the rotor core of several pieces of rotor unit modules described above, which is axially aligned to be nested in, to be turned
To form non-skewed pole rotor inside the first keyway or the second keyway on axis surface.
Circumferentially staggered be nested in of key inside the axis hole of the rotor core of several pieces of rotor unit modules described above turns
To form skewed pole rotor inside the first keyway and the second keyway on axis surface.
The key of the inner wall protrusion of the axis hole of rotor core described above has a pair, circumferentially spaced apart 180 degree angle between key；?
The surface of shaft is axially arranged with a pair of first keyway, circumferentially-spaced 180 degree between the first keyway；The surface of shaft is axially arranged with one
To the second keyway, circumferentially-spaced 180 degree between the second keyway.
The axial length of the first keyway on shaft surface and the second keyway described above is identical or the first key
The axial length of slot is greater than the axial length of the second keyway.
The inner wall of the centre bore of bottom plate and upper head plate described above is protruding with positioning key, and positioning key is embedded in the first keyway
Or second inside keyway.
The corresponding magnetic slot of a magnetic pole of rotor core described above is a pair of of V-type layout vertical bar shaped slot.
Axial labeled slots are arranged in the lateral surface of the rotor core of every piece of rotor unit module, pass through several pieces of rotor unit moulds
The alignment of block labeled slots is staggered to judge that rotor assembly is skewed pole rotor or non-skewed pole rotor.
A kind of used in new energy vehicles permanent magnet synchronous motor, including stator module, rotor assembly and case component, feature exist
In: the rotor assembly is rotor assembly described above.
The utility model compared with prior art, has the effect that
1) surface in shaft of the utility model is axially arranged with the first keyway and the second keyway, the first keyway and the second key
Slot is protruding with key, passes through the rotor iron of several pieces of rotor unit modules in circumferentially formation included angle A, the inner wall of the axis hole of rotor core
Inside the first keyway that key inside the axis hole of core is nested on shaft surface or/and the second keyway to formed skewed pole rotor or
The non-skewed pole rotor of person, the rotor core front and back sides that when installation does not need to distinguish rotor unit module are come, are avoided because of mistake, and time-consuming short,
High production efficiency.
2) key inside the axis hole of the rotor core of several pieces of rotor unit modules, which is axially aligned, is nested on shaft surface
The first keyway or the second keyway inside to forming non-skewed pole rotor.The rotor of several pieces of rotor unit modules described above
It is oblique to be formed inside circumferentially staggered the first keyway being nested on shaft surface of key and the second keyway inside the axis hole of iron core
Pole rotor, simple installation are quick；In addition, axial labeled slots are arranged in the lateral surface of the rotor core of every piece of rotor unit module, lead to
It crosses the alignment of several pieces of rotor unit module marks slots or is staggered to judge that rotor assembly is that skewed pole rotor or non-oblique pole turn
Son, very intuitive and convenient greatly improve assembly efficiency, not easy to make mistakes.
3) key of the inner wall protrusion of the axis hole of rotor core has a pair, circumferentially spaced apart 180 degree angle between key；In the table of shaft
Face is axially arranged with a pair of first keyway, circumferentially-spaced 180 degree between the first keyway；The surface of shaft is axially arranged with a pair of second key
Slot, circumferentially-spaced 180 degree between the second keyway keep stress transmission more uniform.
4) axial length of the first keyway on shaft surface is greater than the axial length of the second keyway, and several pieces of installation turn
Subelement module has certain mistake proofing effect.
5) inner wall of the centre bore of bottom plate and upper head plate is protruding with positioning key, and positioning key is embedded in the first keyway or second
Inside keyway, realize that bottom plate and upper head plate are circumferentially positioned.
6) as long as skewed pole rotor or the rotor core of the not rotor unit module of skewed pole rotor are folded high the same, so that it may realize
Magnet steel shares, save the cost.
Detailed description of the invention:
Fig. 1 is the perspective view of the utility model embodiment one；
Fig. 2 is the exploded view of the utility model embodiment one；
Fig. 3 is the perspective view of the shaft of the utility model embodiment one；
Fig. 4 is the cross section view of the shaft of the utility model embodiment one；
Fig. 5 is the perspective view of the rotor unit module of the utility model embodiment one；
Fig. 6 is the overlapping schematic diagram of the rotor unit module of the non-oblique pole installation of the utility model embodiment one；
Fig. 7 is the assembling schematic diagram of the utility model embodiment one；
Fig. 8 is the main view of the utility model embodiment one；
Fig. 9 is the B-B cross-sectional view of Fig. 8；
Figure 10 is the C-C cross-sectional view of Fig. 8.
Specific embodiment:
The utility model is described in further detail below by specific embodiment and in conjunction with attached drawing.
Embodiment one:
As shown in Figures 1 to 10, a kind of rotor assembly of the utility model, including shaft 1, bottom plate 2, several blocks of rotors
Unit module 3, upper head plate 4 and locking nut 5, are arranged positioning step 11 on 1 middle section outer surface of shaft, bottom plate 2, several pieces turn
Subelement module 3, upper head plate 4 are successively stacked on the positioning step 11 of shaft 1, then utilize the locking being mounted in shaft 1
Nut 5 compresses upper head plate 4, and positioning step 11 and locking nut 5 are to the bottom plate 2 being successively stacked in shaft 1, several blocks of rotors
Unit module 3, upper head plate 4 carry out axially position, if the rotor unit module 3 includes being overrided to form by dry plate rotor punching
Rotor core 31 and be mounted on rotor core 31 the inside of magnetic slot 32 several magnet steel 33, it is axial on 1 surface of shaft
Equipped with the first keyway 12 and the second keyway 13, the first keyway 12 and the second keyway 13 are circumferentially forming included angle A (being acute angle), rotor
The inner wall of the axis hole 310 of iron core 31 is protruding with key 311, passes through the axis hole 310 of the rotor core 31 of several pieces of rotor unit modules 3
The key 311 of the inside be nested in the first keyway 12 or/and the inside of the second keyway 13 on 1 surface of shaft to formed skewed pole rotor or
Non- skewed pole rotor.
As shown in fig. 6, the key 311 of 310 the inside of axis hole of the rotor core 31 of several pieces of rotor unit modules 3 is axially aligned
The first keyway 12 being nested on 1 surface of shaft or 13 the inside of the second keyway are to form non-skewed pole rotor.
As shown in Fig. 8, Fig. 9 and Figure 10, the key of 310 the inside of axis hole of the rotor core 31 of several pieces of rotor unit modules 3
311 circumferentially staggered the first keyways 12 being nested on 1 surface of shaft and 13 the inside of the second keyway are to form skewed pole rotor, in figure
There are 4 pieces of rotor unit modules 3, wherein the rotor unit module 3 of two pieces of head and the tail is circumferentially aligned, in the axis hole 310 of rotor core 31
The key 311 in face is nested in the first keyway 12 on 1 surface of shaft, as shown in Figure 9；Wherein intermediate two pieces of rotor unit module 3
Circumferentially aligned, the key 311 of 310 the inside of axis hole of rotor core 31 is nested in the second keyway 13 on 1 surface of shaft, such as Figure 10 institute
Show.
The key 311 of the inner wall protrusion of the axis hole 310 of rotor core 31 has a pair, circumferentially spaced apart 180 degree angle between key 311；
A pair of first keyway 12, circumferentially spaced apart 180 degree angle between the first keyway 12 are axially arranged on the surface of shaft 1；In the table of shaft 1
Face is axially arranged with a pair of second keyway 13, circumferentially spaced apart 180 degree angle between the second keyway 13.
The axial length of the first keyway 12 and the second keyway 13 in 1 surface axial direction of shaft is identical or the first key
The axial length of slot 12 is greater than the axial length of the second keyway 13.
The inner wall of the centre bore 100 of bottom plate 2 and upper head plate 4 is protruding with positioning key 101, and positioning key 101 is embedded in the first key
13 the inside of slot 12 or the second keyway.
The corresponding magnetic slot 32 of a magnetic pole of rotor core 31 is a pair of of V-type layout vertical bar shaped slot.
The axial labeled slots 34 of the lateral surface setting of the rotor core 31 of every piece of rotor unit module 3, are turned by several pieces
The alignment of subelement module marks slot 34 is staggered to judge that rotor assembly is skewed pole rotor or non-skewed pole rotor.In Fig. 1
Several pieces of rotor unit module marks slots 34 be alignment show it is non-skewed pole rotor；When several pieces of rotor unit module marks slots
34 be when being staggered, to be shown to be skewed pole rotor.
Several pieces of rotor unit modules 3 have 4 pieces in Fig. 2, certain quantity be it is unlimited, can be 3 pieces or 5 pieces or 6
Block or 7 pieces；The height of the rotor core 31 of every piece of rotor unit module 3 be it is identical, can also be different, when every piece of rotor unit
When the height of the rotor core 31 of module 3 is identical, magnet steel can be with common section cost-saving.
The principles of the present invention are: as shown in fig. 7, bottom plate 2, several pieces of rotor unit modules 3, upper head plate 4 dissipate according to
On the secondary positioning step 11 for being stacked in shaft 1, pass through 310 the inside of axis hole of the rotor core 31 of several pieces of rotor unit modules 3
The first keyway 12 that is nested on 1 surface of shaft of key 311 or/and 13 the inside of the second keyway to form skewed pole rotor or non-
Skewed pole rotor, the rotor core front and back sides that when installation does not need to distinguish rotor unit module are come, are avoided because of mistake, and time-consuming short, production
It is high-efficient.
Embodiment two:
The present embodiment is a kind of used in new energy vehicles permanent magnet synchronous motor, including stator module, rotor assembly and case component,
It is characterized by: the rotor assembly is rotor assembly described in embodiment one.
Above embodiments are the better embodiment of the utility model, and however, the embodiments of the present invention are not limited thereto,
Made changes, modifications, substitutions, combinations, simplifications under other any spiritual essence and principles without departing from the utility model are
Equivalent substitute mode, is included within the protection scope of the utility model.
Claims (9)
1. a kind of rotor assembly, including shaft (1), bottom plate (2), several pieces of rotor unit modules (3), upper head plate (4) and lock
Positioning step (11) are arranged on shaft (1) middle section outer surface, bottom plate (2), several pieces of rotor unit modules in tight nut (5)
(3), upper head plate (4) is successively stacked on the positioning step (11) of shaft, then utilizes the locking nut being mounted on shaft (1)
(5) upper head plate (4) are compressed, positioning step (11) and locking nut (5) to the bottom plate (2) being successively stacked on shaft (1) if,
Dry block rotor unit module (3) and upper head plate (4) carry out axially position, and the rotor unit module (3) is if include by dry plate
The rotor core (31) that rotor punching is overrided to form and several magnet steel being mounted on inside the magnetic slot (32) of rotor core
(33), it is characterised in that: be axially arranged with the first keyway (12) and the second keyway (13), the first keyway on the surface of shaft (1)
(12) and the second keyway (13) is in circumferential direction formation included angle A, and the inner wall of the axis hole (310) of rotor core (31) is protruding with key (311),
Shaft surface is nested in by the key (311) inside the axis hole (310) of the rotor core (31) of several pieces of rotor unit modules (3)
The first keyway or/and the second keyway inside to forming skewed pole rotor or non-skewed pole rotor.
2. a kind of rotor assembly according to claim 1, it is characterised in that: the rotor of several pieces of rotor unit modules (3)
Key (311) inside the axis hole (310) of iron core (31) axially aligns the first keyway (12) being nested on shaft (1) surface or
To form non-skewed pole rotor inside two keyways (13).
3. a kind of rotor assembly according to claim 1, it is characterised in that: the rotor of several pieces of rotor unit modules (3)
Circumferentially staggered the first keyway (12) being nested on shaft (1) surface of key (311) inside the axis hole (310) of iron core (31) and
To form skewed pole rotor inside two keyways (13).
4. a kind of rotor assembly according to claim 1 or 2 or 3, it is characterised in that: the axis hole of rotor core (31)
(310) key (311) of inner wall protrusion has a pair, circumferentially spaced apart 180 degree angle between key (311)；It is axial on the surface of shaft (1)
Equipped with a pair of first keyway (12), circumferentially-spaced 180 degree between the first keyway (12)；The surface of shaft (1) is axially arranged with a pair
Second keyway (13), circumferentially-spaced 180 degree between the second keyway (13).
5. a kind of rotor assembly according to claim 1 or 2 or 3, it is characterised in that: first on shaft (1) surface
The axial length of keyway (12) and the second keyway (13) is identical or the axial length of the first keyway (12) is greater than the second key
The axial length of slot (13).
6. a kind of rotor assembly according to claim 1 or 2 or 3, it is characterised in that: bottom plate (2) and upper head plate (4)
The inner wall of centre bore (100) is protruding with positioning key (101), and positioning key (101) is embedded in the first keyway (12) or the second keyway
(13) the inside.
7. a kind of rotor assembly according to claim 1 or 2 or 3, it is characterised in that: a magnetic pole of rotor core (31)
Corresponding magnetic slot (32) is a pair of of V-type layout vertical bar shaped slot.
8. a kind of rotor assembly according to claim 1 or 2 or 3, it is characterised in that: every piece of rotor unit module (3)
Axial labeled slots (34) are arranged in the lateral surface of rotor core (31), pass through the alignment of several pieces of rotor unit module marks slots (34)
It is either staggered to judge that rotor assembly is skewed pole rotor or non-skewed pole rotor.
9. a kind of used in new energy vehicles permanent magnet synchronous motor, including stator module, rotor assembly and case component, it is characterised in that:
The rotor assembly is rotor assembly described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820746152.XU CN208285091U (en) | 2018-05-18 | 2018-05-18 | A kind of rotor assembly and the used in new energy vehicles permanent magnet synchronous motor using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820746152.XU CN208285091U (en) | 2018-05-18 | 2018-05-18 | A kind of rotor assembly and the used in new energy vehicles permanent magnet synchronous motor using it |
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| Publication Number | Publication Date |
|---|---|
| CN208285091U true CN208285091U (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820746152.XU Active CN208285091U (en) | 2018-05-18 | 2018-05-18 | A kind of rotor assembly and the used in new energy vehicles permanent magnet synchronous motor using it |
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| Country | Link |
|---|---|
| CN (1) | CN208285091U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802503A (en) * | 2019-01-01 | 2019-05-24 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of oil immersed type magneto |
| CN111245126A (en) * | 2020-02-25 | 2020-06-05 | 合肥巨一动力系统有限公司 | Permanent magnet motor oblique pole structure for new energy automobile |
| DE102019203231A1 (en) * | 2019-03-11 | 2020-09-17 | Volkswagen Aktiengesellschaft | Laminated core for an electrical machine, rotor arrangement and method for producing a rotor arrangement for an electrical machine |
| CN116885910A (en) * | 2023-09-08 | 2023-10-13 | 佳沃德（佛山）科技有限公司 | Motor stator structure and axial flux motor |
-
2018
- 2018-05-18 CN CN201820746152.XU patent/CN208285091U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802503A (en) * | 2019-01-01 | 2019-05-24 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of oil immersed type magneto |
| DE102019203231A1 (en) * | 2019-03-11 | 2020-09-17 | Volkswagen Aktiengesellschaft | Laminated core for an electrical machine, rotor arrangement and method for producing a rotor arrangement for an electrical machine |
| CN111245126A (en) * | 2020-02-25 | 2020-06-05 | 合肥巨一动力系统有限公司 | Permanent magnet motor oblique pole structure for new energy automobile |
| CN116885910A (en) * | 2023-09-08 | 2023-10-13 | 佳沃德（佛山）科技有限公司 | Motor stator structure and axial flux motor |
| CN116885910B (en) * | 2023-09-08 | 2023-11-10 | 佳沃德（佛山）科技有限公司 | Motor stator structure and axial flux motor |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230427 Address after: 201100 No. 322, Lane 953, Jianchuan Road, Minhang District, Shanghai Patentee after: SHANGHAI EDRIVE Co.,Ltd. Address before: 528400 Guangdong province Zhongshan City West sirlon third industrial zone Patentee before: ZHONGSHAN BROAD-OCEAN MOTOR Co.,Ltd. Patentee before: BROAD-OCEAN MOTOR EV Co.,Ltd. |