CN202309283U - Motor rotor assembly - Google Patents
Motor rotor assembly Download PDFInfo
- Publication number
- CN202309283U CN202309283U CN2011204425534U CN201120442553U CN202309283U CN 202309283 U CN202309283 U CN 202309283U CN 2011204425534 U CN2011204425534 U CN 2011204425534U CN 201120442553 U CN201120442553 U CN 201120442553U CN 202309283 U CN202309283 U CN 202309283U
- Authority
- CN
- China
- Prior art keywords
- base plate
- top board
- rotating shaft
- rotor assembly
- rotor 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 - Lifetime
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- Manufacture Of Motors, Generators (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model discloses a motor rotor assembly. The motor rotor assembly comprises a spindle (1), a rotor core (2) and a plurality of permanent magnets (3), wherein the rotor core (2) is sleeved on the spindle (1) and the plurality of permanent magnets (3) are installed at outer lateral side of the rotor core (2); the motor rotor assembly further comprises a base plate (4), wherein the base plate (4) is supported on the end face of the rotor core (2) and nested on the spindle (1); the base plate (4) is compressed by the spindle tightly towards the axial direction; a plurality of convex poles (41) protrude from the base plate (4); a screw hole (410) is arranged at the center of the convex pole (41); an insulation plate (5) is sleeved and supported on the base plate (4); a top plate (6) is sleeved at periphery of the spindle (1) and is supported on the insulation plate; and an installation screw (7) is screwed into the screw hole (410) through an installation hole (61) in the top plate (6) so as to lock the base plate (4), the insulation plate (5) and the top plate (6) tightly. The motor rotor assembly provided by the utility model is simple in structure, convenient in installation, easy to realize dynamic balance calibration and good in insulation effect.
Description
Technical field:
The utility model relates to a kind of rotor assembly.
Background technology:
Traditional rotor assembly is illustrated in fig. 1 shown below, and comprises rotating shaft 1; Be sleeved on rotor core 2 and the some permanent magnets 3 that are installed in rotor core 2 lateral surfaces in the rotating shaft 1; Base plate 4 is sleeved in the rotating shaft 1 and is bearing on the rotor core 2, and top board 6 is sleeved in the rotating shaft 1 and is bearing on the base plate 4, and insulation board 5 is nested in the outside of base plate 4 and top board 6 and is locked on the sidewall of top board 6 through mounting screw 7; Top board 6 is provided with proofreaies and correct dynamically balanced adjusting screw 8; There is following shortcoming in this structure: 1) complex structure, trouble is installed, and required mounting screw is more; 2) mounting screw is nearer apart from stator end, and creepage distance is not enough, and insulation effect is poor; 3) adjusting screw is nearer apart from end cap, and dynamic balance calibration is difficult to realize under the situation of motor space compactness.
Summary of the invention:
The purpose of the utility model provides a kind of rotor assembly, and it is simple in structure, and is easy for installation, realizes dynamic balance calibration easily, and insulation effect is good.
The purpose of the utility model is to be achieved through following technical scheme.
A kind of rotor assembly; Comprise rotating shaft, be sleeved on the rotor core in the rotating shaft and be installed in some permanent magnets of rotor core lateral surface, also comprise base plate, bearing plate is on the end face of rotor core and be nested in the rotating shaft; Base plate is by the rotating shaft axial compression; Several projections of protrusion are provided with screwed hole in the middle of the projection on the base plate, and the insulation board suit also is bearing on the base plate; Top board is enclosed within the rotating shaft periphery and is bearing on the insulation board, and mounting screw is screwed in the screwed hole and with base plate, insulation board and top board through the installing hole on the top board and is locked at together.
Above-mentioned described rotating shaft is provided with step, and step is pressed on the base plate end face, and base plate is positioned between rotor core end face and step.
Above-mentioned described top board end face edge is offered some top board through holes, proofreaies and correct dynamically balanced adjusting screw and embeds in the top board through hole.
Some insulation board through holes of offering on the above-mentioned described insulation board, the insulation board through hole is embedded in the projection.
Above-mentioned described insulation board outside ring baffle protruding upward, baffle plate surrounds top board and adjusting screw.
Above-mentioned described base plate is an aluminium sheet, and top board is an iron plate.
The utility model beneficial effect compared with prior art is: 1) the utility model is simple in structure, and is easy for installation, reduces the fixedly employed mounting screw quantity of top board greatly, when shortening the assembler; 2) the utility model top board does not receive the restriction of insulation board, can be under the compact situation in internal rotor space, adjusting screw is avoided the interference of end cap, and realize dynamic balance calibration easily; 3) the top board end face edge is offered some top board through holes, proofreaies and correct dynamically balanced adjusting screw and embeds in the top board through hole, and the just dynamically balanced adjusting screw of high-ranking officers is shifted to the edge, makes the correction dynamic balancing realize that better adjusting screw is good more apart from rotor axis its effect far away; 4) insulation board outside ring baffle protruding upward, baffle plate surrounds top board and adjusting screw, increases the creepage distance of adjusting screw and motor stator end, and insulation effect is good.
Description of drawings:
Fig. 1 is the prior art constructions sketch map;
Fig. 2 is the stereogram of the utility model;
Fig. 3 is the cutaway view of the utility model;
Fig. 4 is the A-A partial enlarged drawing of Fig. 3.
Embodiment:
Below through specific embodiment and combine accompanying drawing that the utility model is described in further detail.
Like Fig. 2, Fig. 3 and shown in Figure 4, a kind of rotor assembly of the utility model comprises rotating shaft 1, is sleeved on the rotor core 2 in the rotating shaft 1 and is installed in some permanent magnets 3 of rotor core 2 lateral surfaces; Also comprise base plate 4; Base plate 4 is bearing on the end face of rotor core 2 and is nested in the rotating shaft 1, and base plate 4 is by rotating shaft 1 axial compression, several projections 41 of protrusion on the base plate 4; Be provided with screwed hole 410 in the middle of the projection 41; Insulation board 5 suits also are bearing on the base plate 4, and top board 6 is enclosed within rotating shaft 1 periphery and is bearing on the insulation board 5, and mounting screw 7 is screwed in the screwed hole 410 and with base plate 4, insulation board 5 and top board 6 through the installing hole on the top board 6 61 and is locked at together; Rotating shaft 1 is provided with step 11, and step 11 is pressed on base plate 4 end faces, and base plate 4 is positioned at 11 on rotor core 2 end faces and step; Top board 6 end face edge are offered some top board through holes 62, proofread and correct dynamically balanced adjusting screw 8 and embed 62 li of top board through holes; Some insulation board through holes 51 of offering on the insulation board 5, insulation board through hole 51 is embedded in 41 li of projections; Insulation board 5 outsides ring baffle 52 protruding upward, baffle plate 52 surround top board 6 and adjusting screw 8; Described base plate 4 is aluminium sheets, and top board 6 is iron plates.
The utility model comprises rotating shaft 1, be sleeved on the rotor core 2 in the rotating shaft 1 and be installed in some permanent magnets 3 of rotor core 2 lateral surfaces, base plate 4 is bearing on the end face of rotor core 2 and in the nested rotating shaft 1 rotating shaft 1 axial compression base plate 4; Insulation board 5 suits also are bearing on the base plate 4, and top board 6 is enclosed within rotating shaft 1 periphery and is bearing on the insulation board 5, through mounting screw 7 base plate 4, insulation board 5 and top board 6 is locked at together; It is simple in structure, and is easy for installation, reduces the fixedly employed mounting screw quantity of top board greatly; When shortening the assembler; Can be under the compact situation in internal rotor space, adjusting screw is avoided the interference of end cap, realize dynamic balance calibration easily; The just dynamically balanced adjusting screw of high-ranking officers is shifted to the edge; Make the correction dynamic balancing realize that better adjusting screw is good more apart from rotor axis its effect far away, can realize good insulation performance.
Claims (6)
1. rotor assembly; Comprise rotating shaft (1), be sleeved on the rotor core (2) in the rotating shaft (1) and be installed in some permanent magnets (3) of rotor core (2) lateral surface; It is characterized in that: also comprise base plate (4); Base plate (4) is bearing on the end face of rotor core (2) and is nested in the rotating shaft (1), and base plate (4) is by rotating shaft (1) axial compression, and base plate (4) is gone up protrusion several projections (41); Be provided with screwed hole (410) in the middle of the projection (41); Insulation board (5) suit also is bearing on the base plate (4), and top board (6) is enclosed within rotating shaft (1) periphery and is bearing on the insulation board (5), and mounting screw (7) is screwed in the screwed hole (410) and with base plate (4), insulation board (5) and top board (6) through the installing hole (61) on the top board (6) and is locked at together.
2. a kind of rotor assembly according to claim 1 is characterized in that: rotating shaft (1) is provided with step (11), and step (11) is pressed on base plate (4) end face, and base plate (4) is positioned between rotor core (2) end face and step (11).
3. a kind of rotor assembly according to claim 2 is characterized in that: top board (6) end face edge is offered some top board through holes (62), proofreaies and correct dynamically balanced adjusting screw (8) and embeds top board through hole (62) lining.
4. a kind of rotor assembly according to claim 3 is characterized in that: some insulation board through holes (51) of offering on the insulation board (5), insulation board through hole (51) are embedded in projection (41) lining.
5. according to claim 3 or 4 described a kind of rotor assemblies, it is characterized in that: insulation board (5) outside ring baffle protruding upward (52), baffle plate (52) surrounds top board (6) and adjusting screw (8).
6. a kind of rotor assembly according to claim 5 is characterized in that: described base plate (4) is an aluminium sheet, and top board (6) is an iron plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204425534U CN202309283U (en) | 2011-11-09 | 2011-11-09 | Motor rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204425534U CN202309283U (en) | 2011-11-09 | 2011-11-09 | Motor rotor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309283U true CN202309283U (en) | 2012-07-04 |
Family
ID=46378096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204425534U Expired - Lifetime CN202309283U (en) | 2011-11-09 | 2011-11-09 | Motor rotor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309283U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165131A1 (en) * | 2014-04-30 | 2015-11-05 | 大洋电机新动力科技有限公司 | Motor rotor structure and motor using same |
| CN106787303A (en) * | 2016-12-23 | 2017-05-31 | 威灵（芜湖）电机制造有限公司 | Rotor assembly and the direct current generator with it |
-
2011
- 2011-11-09 CN CN2011204425534U patent/CN202309283U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165131A1 (en) * | 2014-04-30 | 2015-11-05 | 大洋电机新动力科技有限公司 | Motor rotor structure and motor using same |
| CN106787303A (en) * | 2016-12-23 | 2017-05-31 | 威灵（芜湖）电机制造有限公司 | Rotor assembly and the direct current generator with it |
| CN106787303B (en) * | 2016-12-23 | 2024-01-05 | 威灵（芜湖）电机制造有限公司 | Rotor assembly and direct current motor with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |