CN202309282U - Embedded permanent magnet synchronous rotor assembly - Google Patents
Embedded permanent magnet synchronous rotor assembly Download PDFInfo
- Publication number
- CN202309282U CN202309282U CN2011204419779U CN201120441977U CN202309282U CN 202309282 U CN202309282 U CN 202309282U CN 2011204419779 U CN2011204419779 U CN 2011204419779U CN 201120441977 U CN201120441977 U CN 201120441977U CN 202309282 U CN202309282 U CN 202309282U
- Authority
- CN
- China
- Prior art keywords
- end plate
- sleeve
- inner end
- rotor core
- iron core
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses an embedded permanent magnet synchronous rotor assembly, which comprises a revolving shaft (1), a sleeve (2), a rotor iron core (3), a plurality of permanent magnets (4), an inner end plate (5) and an outer end plate (6), wherein the sleeve (2) is sleeved on the revolving shaft (1); the rotor iron core (3) is sleeved on the outer wall of the sleeve (2); the rotor iron core (3) is provided with a plurality of iron core grooves (31); the permanent magnets (4) are embedded into the iron core grooves (31); the inner end plate (5) is sleeved outside the revolving shaft (1), and is installed and connected to the end face of the sleeve (2); the outer side of the inner end plate (5) is pressed against the end face of the rotor iron core (3); the outer end plate (6) is embedded into the outer side of the inner end plate (5), and is arranged and connected to the end face of the sleeve (2); the end faces of the rotor iron core (3) and the permanent magnets (4) are covered by the outer end plate (6); and the inner end plate (5) is matched with the outer end plate (6). The embedded permanent magnet synchronous rotor assembly has the advantages of simple structure, convenience for installing, uniform distribution of a magnetic circuit and high material utilization ratio.
Description
Technical field:
The utility model relates to a kind of built-in permanent magnetic synchronous electric motor rotor assembly.
Background technology:
Traditional built-in permanent magnetic synchronous electric motor rotor assembly comprises rotating shaft, is nested in the sleeve in the rotating shaft; Embed the rotor core of sleeve outer wall side, offer groove on the rotor core, permanent magnet embeds in the groove; The rotor core two ends are fixed and clamped on rotor core and permanent magnet with end plate, and rotor core and end plate are offered installation through holes, and bolt locks end plate through through hole and nut; This complex structure; Trouble is installed, and the installation through holes that rotor core is offered causes that the rotor material utilance is low, the magnetic circuit skewness, influences motor performance.
Summary of the invention:
The purpose of the utility model provides a kind of built-in permanent magnetic synchronous electric motor rotor assembly, and it is simple in structure, and is easy for installation, and magnetic circuit is evenly distributed, and stock utilization is high.
The purpose of the utility model is to be achieved through following technical scheme.
A kind of built-in permanent magnetic synchronous electric motor rotor assembly comprises rotating shaft, sleeve, rotor core and some permanent magnets, and sleeve set is in rotating shaft; Rotor core is sleeved on the outer wall of sleeve, offers some iron core grooves on the rotor core, and permanent magnet embeds in the iron core groove; Also comprise inner end plate and outer end plate; Inner end plate is sleeved on outer also installation of rotating shaft and is connected on the sleeve end face, and the outside of inner end plate is pressed on the end face of rotor core, and outer end plate is nested in the inner end plate outside and installs and is connected on the sleeve end face; Outer end plate shelters from the end face of rotor core and permanent magnet, and inner end plate and outer end plate cooperatively interact.
The some projections of above-mentioned described inner end plate outside protrusion are offered interior installing hole on the projection, screw, extends end face that compressed part compresses rotor core and staggers with the iron core groove at the interior installing hole outside, projection on sleeve through interior installing hole locking inner end plate.
Some end plate grooves are offered in above-mentioned described outer end plate inboard, and projection embeds in the end plate grooves, and in the middle of adjacent two end plate grooves, outer end plate is provided with outer installing hole, screw is locked outer end plate on sleeve through outer installing hole.
Above-mentionedly describedly on the other end away from an end, rotor core and the permanent magnet of inner end plate and outer end plate, be provided with insulating end plate, the screw lock insulating end plate is on sleeve.
Above-mentioned described sleeve comprises inner sleeve and outer sleeve, and inner sleeve is connected through middle connecting plate with outer sleeve, and inner sleeve, outer sleeve and middle connecting plate form cavity.
The material of processing of above-mentioned described inner end plate and outer end plate is an aluminium.
The utility model beneficial effect compared with prior art is: 1) the utility model is simple in structure, and is easy for installation, saves rotor core and offers the installation through holes operation, and magnetic circuit is more evenly distributed, and stock utilization is higher; 2) protrusion some projections in the inner end plate outside are offered interior installing hole on the projection, and screw is locked inner end plate on sleeve through interior installing hole; Extend end face that compressed part compresses rotor core and stagger at the interior installing hole outside, projection with the iron core groove; Some end plate grooves are offered in the outer end plate inboard, and projection embeds in the end plate grooves, in the middle of adjacent two end plate grooves, outer end plate be provided with outside installing hole; Screw is locked outer end plate on sleeve through outer installing hole, reasonable in design, compactness; 3) sleeve comprises inner sleeve and outer sleeve, and inner sleeve is connected through middle connecting plate with outer sleeve, and inner sleeve, outer sleeve and middle connecting plate form cavity, saves the rotor core material, practices thrift cost, alleviates motor weight.
Description of drawings:
Fig. 1 is the stereogram of the utility model;
Fig. 2 is the exploded view of the utility model;
Fig. 3 is the structural representation of the utility model;
Fig. 4 is the A-A phantom of Fig. 3.
Embodiment:
Below through specific embodiment and combine accompanying drawing that the utility model is described in further detail.
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, a kind of built-in permanent magnetic synchronous electric motor rotor assembly of the utility model comprises rotating shaft 1, sleeve 2, rotor core 3 and some permanent magnets 4; Sleeve 2 is sleeved in the rotating shaft 1; Rotor core 3 is sleeved on the outer wall of sleeve 2, offers some iron core grooves 31 on the rotor core 3, and permanent magnet 4 embeds 31 li of iron core grooves; Also comprise inner end plate 5 and outer end plate 6; Inner end plate 5 is enclosed within rotating shaft 1 outer also the installation and is connected on sleeve 2 end faces, and the outside of inner end plate 5 is pressed on the end face of rotor core 3, and outer end plate 6 is nested in inner end plate 5 outsides and installs and is connected on sleeve 2 end faces; Outer end plate 6 shelters from the end face of rotor core 3 and permanent magnet 4, and inner end plate 5 cooperatively interacts with outer end plate 6; Some projections 51 are protruded in inner end plate 5 outsides; Installing hole 52 in offering on the projection 51; Screw through interior installing hole 52 locking inner end plates 5 on sleeve 2, in interior installing hole 52 outsides, projection 51 extended compressed part 510 compress the end face of rotor core 3 and stagger with iron core groove 31; Some end plate grooves 61 are offered in outer end plate 6 inboards, and projection 51 embeds 61 li of end plate grooves, installing hole 62 outside adjacent two end plate grooves 61 centres, outer end plate 6 are provided with, and screw is locked outer end plates 6 on sleeve 2 through outer installing hole 62; On the other end away from an end, rotor core 3 and the permanent magnet 4 of inner end plate 5 and outer end plate 6, be provided with insulating end plate 7, screw lock insulating end plate 7 is on sleeve 2; Described sleeve 2 comprises inner sleeve 21 and outer sleeve 22, and inner sleeve 21 is connected through middle connecting plate 23 with outer sleeve 22, and inner sleeve 21, outer sleeve 22 and middle connecting plate 23 form cavity 24; The material of processing of inner end plate 5 and outer end plate 6 is an aluminium.
The assembling process of the utility model is following: earlier with sleeve 2 nested being installed in the rotating shaft 1, then insulating end plate 7 is passed through screw lock on sleeve 2, some rotor punchings are inserted in form rotor core 3 on sleeve 2 outer walls again; Again inner end plate 5 is passed through screw lock on sleeve 2, be fixed rotor core 3, permanent magnet 4 is embedded 31 li of iron core grooves; Again outer end plate 6 is nested in inner end plate 5 outsides, compresses rotor core 3 and permanent magnet 4, through screw lock on sleeve 2; This is simple in structure, and is easy for installation, saves rotor core and offers the installation through holes operation; Magnetic circuit is more evenly distributed, and stock utilization is higher.
Claims (6)
1. built-in permanent magnetic synchronous electric motor rotor assembly; Comprise rotating shaft (1), sleeve (2), rotor core (3) and some permanent magnets (4), sleeve (2) is sleeved in the rotating shaft (1), and rotor core (3) is sleeved on the outer wall of sleeve (2); Offer some iron core grooves (31) on the rotor core (3); Permanent magnet (4) embeds iron core groove (31) lining, it is characterized in that: also comprise inner end plate (5) and outer end plate (6), inner end plate (5) is sleeved on outer also installation of rotating shaft (1) and is connected on sleeve (2) end face; The outside of inner end plate (5) is pressed on the end face of rotor core (3); Outer end plate (6) is nested in inner end plate (5) outside and installs and is connected on sleeve (2) end face, and outer end plate (6) shelters from the end face of rotor core (3) and permanent magnet (4), and inner end plate (5) and outer end plate (6) cooperatively interact.
2. a kind of built-in permanent magnetic synchronous electric motor rotor assembly according to claim 1; It is characterized in that: inner end plate (5) outside protrusion some projections (51); Projection (51) is offered interior installing hole (52) on the middle part; Screw, compresses the end face of rotor core (3) and staggers with iron core groove (31) in interior installing hole (52) outside, the extended compressed part of projection (51) (510) on sleeve (2) through interior installing hole (52) locking inner end plate (5).
3. a kind of built-in permanent magnetic synchronous electric motor rotor assembly according to claim 2; It is characterized in that: some end plate grooves (61) are offered in outer end plate (6) inboard; Projection (51) embeds end plate grooves (61) lining; Installing hole (62) outside on adjacent two end plate grooves (61) centre, outer end plate (6), being provided with, screw is locked outer end plate (6) on sleeve (2) through outer installing hole (62).
4. according to claim 1 or 2 or 3 described a kind of built-in permanent magnetic synchronous electric motor rotor assemblies; It is characterized in that: on the other end away from an end, rotor core (3) and the permanent magnet (4) of inner end plate (5) and outer end plate (6), be provided with insulating end plate (7), screw lock insulating end plate (7) is on sleeve (2).
5. a kind of built-in permanent magnetic synchronous electric motor rotor assembly according to claim 4; It is characterized in that: described sleeve (2) comprises inner sleeve (21) and outer sleeve (22); Inner sleeve (21) is connected through middle connecting plate (23) with outer sleeve (22), and inner sleeve (21), outer sleeve (22) and middle connecting plate (23) form cavity (24).
6. a kind of built-in permanent magnetic synchronous electric motor rotor assembly according to claim 4 is characterized in that: the material of processing of inner end plate (5) and outer end plate (6) is an aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204419779U CN202309282U (en) | 2011-11-09 | 2011-11-09 | Embedded permanent magnet synchronous rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204419779U CN202309282U (en) | 2011-11-09 | 2011-11-09 | Embedded permanent magnet synchronous rotor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309282U true CN202309282U (en) | 2012-07-04 |
Family
ID=46378095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204419779U Expired - Fee Related CN202309282U (en) | 2011-11-09 | 2011-11-09 | Embedded permanent magnet synchronous rotor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309282U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426314A (en) * | 2013-08-29 | 2015-03-18 | 株式会社日立产机系统 | Permanent magnet rotary electric machine and elevator provided with same |
| CN106712354A (en) * | 2017-02-20 | 2017-05-24 | 上海电机系统节能工程技术研究中心有限公司 | Motor rotor, rotating motor and disassembling method |
| JP2018157669A (en) * | 2017-03-16 | 2018-10-04 | トヨタ自動車株式会社 | Rotary electric machine rotor |
| CN111373633A (en) * | 2017-11-16 | 2020-07-03 | Lg伊诺特有限公司 | Electric machine |
-
2011
- 2011-11-09 CN CN2011204419779U patent/CN202309282U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426314A (en) * | 2013-08-29 | 2015-03-18 | 株式会社日立产机系统 | Permanent magnet rotary electric machine and elevator provided with same |
| CN104426314B (en) * | 2013-08-29 | 2017-09-29 | 株式会社日立产机系统 | Rotary type permanent-magnet motor and use its elevator gear |
| CN106712354A (en) * | 2017-02-20 | 2017-05-24 | 上海电机系统节能工程技术研究中心有限公司 | Motor rotor, rotating motor and disassembling method |
| CN106712354B (en) * | 2017-02-20 | 2023-03-28 | 上海电机系统节能工程技术研究中心有限公司 | Motor rotor, rotating electric machine, and disassembling method |
| JP2018157669A (en) * | 2017-03-16 | 2018-10-04 | トヨタ自動車株式会社 | Rotary electric machine rotor |
| CN111373633A (en) * | 2017-11-16 | 2020-07-03 | Lg伊诺特有限公司 | Electric machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2869433B1 (en) | Axial flux permanent magnet electrical machine with magnetic flux concentration | |
| CN202309282U (en) | Embedded permanent magnet synchronous rotor assembly | |
| CN201601588U (en) | Permanent-magnet synchronous motor with low rotating speed and large torque | |
| CN104702073A (en) | Integrated external rotor permanent magnet motor for screw compressor | |
| CN101673973B (en) | Motor | |
| CN104333158A (en) | Permanent magnet motor rotor structure | |
| CN201774332U (en) | Square-wave brushless direct current motor rotor with tangential magnetism gathering structure | |
| CN102468051A (en) | Novel capacitor and single-phase asynchronous motor with novel capacitor | |
| CN214900385U (en) | Stator support and axial magnetic field motor | |
| CN206908457U (en) | Internal rotor permanent-magnetic synchro traction machine | |
| CN104218708A (en) | Permanent magnet motor rotor structure allowing rapid replacement of rotating shaft | |
| CN202918084U (en) | Rotor assembly of permanent magnet synchronous motor | |
| CN202183648U (en) | Surface-mounted permanent magnet motor and internal rotor and stamped piece of surface-mounted permanent magnet motor | |
| CN102111047A (en) | Low-rotating-speed high-torque permanent magnet synchronous motor | |
| CN201181867Y (en) | Permanent-magnet motor rotor | |
| CN202334196U (en) | Installing structure between stator coil and shell of axial magnetic motor | |
| CN101534025B (en) | Stator structure of single-phase induction motor used for compressor | |
| CN101359860A (en) | Multi-stator and rotor combined motor | |
| CN202395634U (en) | Low power DC brushless motor structure | |
| CN201178342Y (en) | Permanent magnetic rotator | |
| CN204559353U (en) | Integral type screw air compressor outer-rotor permanent magnet motor | |
| CN203135604U (en) | Magnetic steel embedded rotor structure of brushless motor | |
| CN110768492A (en) | Novel outer birotor asynchronous starting permanent magnet synchronous motor rotor core structure | |
| CN201813233U (en) | Permanent magnet rotor for motor | |
| CN2192975Y (en) | Combined permanent-magnet motor rotor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20191109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |