CN202424383U - Rotor shell of external rotor motor - Google Patents
Rotor shell of external rotor motor Download PDFInfo
- Publication number
- CN202424383U CN202424383U CN2011204629601U CN201120462960U CN202424383U CN 202424383 U CN202424383 U CN 202424383U CN 2011204629601 U CN2011204629601 U CN 2011204629601U CN 201120462960 U CN201120462960 U CN 201120462960U CN 202424383 U CN202424383 U CN 202424383U
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- China
- Prior art keywords
- steel plate
- plate bottom
- circular steel
- radiator shutter
- electric machine
- 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.)
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Abstract
The utility model relates to a motor rotor shell and particularly relates to a rotor shell of an external rotor motor. The a rotor shell comprises a round steel plate bottom 1 and an annular steel plate side wall 2, wherein the annular steel plate side wall 2 surrounds four sides of the annular steel plate bottom 1 to form a cavity 3; a connecting base 4 connected with a motor rotating shaft is arranged in the centre of the round steel plate bottom 1; a connecting hole 5 capable of penetrating through the motor rotating shaft is arranged on the connecting base; a step 6 is arranged on the annular steel plate side wall 2; a plurality of holes 7 are arranged on the round steel plate bottom 1 in a radial manner; and radiating blades 8 are arranged at the side of the hole. The rotor shell is good in radiating effect, high in strength, long in service life and low in cost.
Description
Technical field
The utility model relates to a kind of rotor housing, particularly a kind of External rotor electric machine rotor housing.
Background technology
The rotor case of existing external rotor electric machine is to be processed by resin material mostly; The rotor case that resin material is processed is under the operating mode of high temperature, high moment of torsion and impact load; Rotor case is easy to wearing and tearing; Prior art is provided with various, the baroque reinforcement sheet of quantity and solves this problem on rotor case, cost is high, and its useful life is still not long.Simultaneously in order to improve intensity, the rotor case that resin material is processed need be avoided being provided with hole class, groove base part or hole or groove are provided with ground as far as possible little as far as possible, but this seriously is unfavorable for the heat radiation of rotor case.And the rotor case that existing steel plate materials is processed reckons without motor when heat abstractor is set and constantly rotates and reverse at running, and heat abstractor can't play heat sinking function when the motor direction of rotation changes, and radiating effect is limited.
Summary of the invention
The technical problem that the utility model will solve provides a kind of External rotor electric machine rotor housing, good heat dissipation effect, and intensity is high, long service life, cost is low.
The technical scheme of the utility model is:
A kind of External rotor electric machine rotor housing; Comprise circular steel plate bottom, a ring-type steel plate sidewall, ring-type steel plate sidewall forms cavity around being centered around rounded bottom, and circular steel plate bottom centre place is provided with the Connection Block that can be connected with machine shaft; Connection Block is provided with can be through the connecting hole of machine shaft; Ring-type steel plate sidewall is provided with step, and wherein: described circular steel plate bottom radially is provided with a plurality of holes, and the hole sidepiece is provided with radiator shutter.After the utility model was applied to external rotor electric machine, stator winding placed in the cavity, and in the external rotor electric machine running, rotor case dispels the heat to stator winding through hole and radiator shutter generation axial flow together with hole and radiator shutter rotation.The described ring-type steel plate of the utility model sidewall is mainly used in permanent magnetic iron is set, and described step plays the permanent magnetic iron positioning function.
Preferably, be provided with a plurality of strengthening parts, strengthening part radial distribution bottom the described circular steel plate.
Preferably, described strengthening part is a ribs, and ribs is axial projection or recessed along circular steel plate bottom.
Preferably, described strengthening part is arranged on circular steel plate bottom radially.
Preferably, described radiator shutter is spent between-160 degree 30 with respect to the angle of inclination of circular steel plate lower surface.
Preferably; Described circular steel plate bottom radially is provided with many groups hole, and every group of hole comprises first single hole and second single hole, and the first single hole sidepiece is provided with first radiator shutter; The second single hole sidepiece is provided with second radiator shutter; Greater than the angle of inclination of first radiator shutter with respect to circular steel plate lower surface, this is very beneficial for after rotor case is applied to external rotor electric machine first radiator shutter, in the external rotor electric machine running with respect to the angle of inclination of circular steel plate lower surface; No matter can both produce axial flow during the rotor case forward or reverse, promote heat radiation motor stator winding.
Preferably, the described hole of organizing along the circular steel plate radial arrangement in bottom more.
Preferably, second radiator shutter of described first radiator shutter and adjacent set is adjacent, and first radiator shutter of second radiator shutter and adjacent set is adjacent.
Preferably, with ring-type steel plate sidewall homonymy or toss about, all radiator shutters distribute with respect to circular steel plate bottom homonymy described radiator shutter with respect to circular steel plate bottom.
Preferably, described strengthening part, hole, radiator shutter form through punching press.
Operation principle of the utility model and advantage: the utility model is by the steel plate materials punch forming; Technology is simple; Intensity is high, and the utility model is provided with the radiator shutter that has certain angle of inclination with respect to circular steel plate lower surface simultaneously, be applied to external rotor electric machine after; External rotor electric machine main story or counter-rotating all possess heat sinking function, good heat dissipation effect.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment 20;
Accompanying drawing 2 is polycrystalline substance sketch mapes of accompanying drawing 1;
Reference numeral: circular steel plate bottom 1, ring-type steel plate sidewall 2, cavity 3, Connection Block 4, connecting hole 5, step 6, hole 7, radiator shutter 8, ribs 9, first single hole 71, second single hole 72, first radiator shutter 81, second radiator shutter 82.
Embodiment
Embodiment 4, a kind of External rotor electric machine rotor housing, wherein: described strengthening part is a ribs 9, and ribs is 1 axial recess along circular steel plate bottom, and all the other are with embodiment 1 or embodiment 2.
Embodiment 7, a kind of External rotor electric machine rotor housing, wherein: described radiator shutter 8 is 50 degree with respect to the angle of inclination on 1 surface, circular steel plate bottom, and all the other are with embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4 or embodiment 5.
Embodiment 8, a kind of External rotor electric machine rotor housing, wherein: described radiator shutter 8 is 70 degree with respect to the angle of inclination on 1 surface, circular steel plate bottom, and all the other are with embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4 or embodiment 5.
Embodiment 10, a kind of External rotor electric machine rotor housing, wherein: described radiator shutter 8 is 120 degree with respect to the angle of inclination on 1 surface, circular steel plate bottom, and all the other are with embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4 or embodiment 5.
Embodiment 11, a kind of External rotor electric machine rotor housing, wherein: described radiator shutter 8 is 160 degree with respect to the angle of inclination on 1 surface, circular steel plate bottom, and all the other are with embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4 or embodiment 5.
Embodiment 12, a kind of External rotor electric machine rotor housing; Wherein: described circular steel plate bottom 1 radially is provided with many groups hole 7; Every group of hole 7 comprises first single hole 71 and second single hole 72; First single hole, 71 sidepieces are provided with first radiator shutter 81; Second single hole, 72 sidepieces be provided with second radiator shutter, 82, the first radiator shutters 81 with respect to the angle of inclination on 1 surface, circular steel plate bottom greater than the angle of inclination of first radiator shutter 81 with respect to 1 surface, circular steel plate bottom, all the other are with any one embodiment among the embodiment 1-11.
Embodiment 13, a kind of External rotor electric machine rotor housing; Wherein: described circular steel plate bottom 1 radially is provided with many groups hole 7; Every group of hole 7 comprises first single hole 71 and second single hole 72; It is 150 degree with respect to 1 surperficial angle of inclination, circular steel plate bottom that first single hole, 71 sidepieces are provided with first radiator shutter, 81, the first radiator shutters 81, and second single hole, 72 sidepieces are provided with second radiator shutter 82; Second radiator shutter 82 is 100 degree with respect to the angle of inclination on 1 surface, circular steel plate bottom, and all the other are with any one embodiment among the embodiment 1-11.
Embodiment 14, a kind of External rotor electric machine rotor housing; Wherein: described circular steel plate bottom 1 radially is provided with many groups hole 7; Every group of hole 7 comprises first single hole 71 and second single hole 72; It is 140 degree with respect to 1 surperficial angle of inclination, circular steel plate bottom that first single hole, 71 sidepieces are provided with first radiator shutter, 81, the first radiator shutters 81, and second single hole, 72 sidepieces are provided with second radiator shutter 82; Second radiator shutter 82 is 80 degree with respect to the angle of inclination on 1 surface, circular steel plate bottom, and all the other are with any one embodiment among the embodiment 1-11.
Embodiment 15, a kind of External rotor electric machine rotor housing, wherein: described many groups hole 7 is along circular steel plate bottom 1 radial arrangement, and all the other are with any one embodiment among the embodiment 1-14.
Embodiment 16, a kind of External rotor electric machine rotor housing; Wherein: described first radiator shutter 81 is adjacent with second radiator shutter 82 of adjacent set; Second radiator shutter 82 is adjacent with first radiator shutter 81 of adjacent set, and all the other are with any one embodiment among the embodiment 1-15.
Embodiment 17, a kind of External rotor electric machine rotor housing; Wherein: described radiator shutter 8 is with respect to circular steel plate bottom 1 and ring-type steel plate sidewall 2 homonymies; All radiator shutters 8 distribute with respect to circular steel plate bottom 1 homonymy, and all the other are with any one embodiment among the embodiment 1-16.
Embodiment 18, a kind of External rotor electric machine rotor housing; Wherein: described radiator shutter 8 is tossed about with ring-type steel plate sidewall 2 with respect to circular steel plate bottom 1; All radiator shutters 8 distribute with respect to circular steel plate bottom 1 homonymy, and all the other are with any one embodiment among the embodiment 1-17.
Embodiment 19, a kind of External rotor electric machine rotor housing, wherein: described strengthening part, hole 7, radiator shutter 8 form through punching press, and all the other are with any one embodiment among the embodiment 1-18.
Embodiment 20, a kind of External rotor electric machine rotor housing comprise a circular steel plate bottom 1, one ring-type steel plate sidewall 2, and ring-type steel plate sidewall 2 forms cavity 3 around being centered around circular steel plate bottom 1; 1 center, circular steel plate bottom is provided with the Connection Block 4 that can be connected with machine shaft, and Connection Block 4 is provided with can be through the connecting hole 5 of machine shaft, and ring-type steel plate sidewall 2 is provided with step 6; Wherein: described circular steel plate bottom 1 radially is provided with 10 groups of holes 7; Hole 7 is along circular steel plate bottom 1 radial arrangement, and every group of hole 7 comprises that first single hole 71 and second single hole, 72, the first single holes, 71 sidepieces are provided with first radiator shutter 81; First radiator shutter 81 is 150 degree with respect to the angle of inclination on 1 surface, circular steel plate bottom; It is 95 degree with respect to 1 surperficial angle of inclination, circular steel plate bottom that second single hole, 72 sidepieces are provided with second radiator shutter, 82, the second radiator shutters 82, and first radiator shutter 81 is adjacent with second radiator shutter 82 of adjacent set; Second radiator shutter 82 is adjacent with first radiator shutter 81 of adjacent set; All radiator shutters 8 distribute with ring-type steel plate sidewall 2 homonymies with respect to circular steel plate bottom 1, and described circular steel plate bottom 1 is provided with 10 ribs 9, and ribs is 1 axial projection along circular steel plate bottom; Described ribs 9, hole 7, radiator shutter 8 form through punching press, and hole 7, radiator shutter 8 form through punching press simultaneously.
The utility model is not limited to above-mentioned concrete embodiment; It also has a lot of the variation or remodeling; Like the shape of ribs, the variation of hole shape or number, the variation of radiator shutter shape or number; The connotation and the scope that do not break away from the utility model all belong to the protection range of the utility model.
Claims (10)
1. External rotor electric machine rotor housing; Comprise circular steel plate bottom (1), a ring-type steel plate sidewall (2); Ring-type steel plate sidewall (2) is centered around circular steel plate bottom (1) and forms cavity (3) all around; (1) center, circular steel plate bottom is provided with the Connection Block (4) that can be connected with machine shaft, and Connection Block (4) is provided with can be through the connecting hole (5) of machine shaft, and ring-type steel plate sidewall (2) is provided with step (6); It is characterized in that: described circular steel plate bottom (1) radially is provided with a plurality of holes (7), and the hole sidepiece is provided with radiator shutter (8).
2. a kind of External rotor electric machine rotor housing as claimed in claim 1 is characterized in that: described circular steel plate bottom (1) is provided with a plurality of strengthening parts, the strengthening part radial distribution.
3. a kind of External rotor electric machine rotor housing as claimed in claim 2 is characterized in that: described strengthening part is ribs (9), and ribs is (1) axial projection or recessed along circular steel plate bottom.
4. a kind of External rotor electric machine rotor housing as claimed in claim 2 is characterized in that: described strengthening part is arranged on circular steel plate bottom (1) radially.
5. like claim 2 or 3 or 4 described a kind of External rotor electric machine rotor housings, it is characterized in that: described radiator shutter (8) is spent between-160 degree 30 with respect to the angle of inclination on surface, circular steel plate bottom (1).
6. a kind of External rotor electric machine rotor housing as claimed in claim 5; It is characterized in that: described circular steel plate bottom (1) radially is provided with many groups hole (7); Every group of hole (7) comprises first single hole (71) and second single hole (72); First single hole (71) sidepiece is provided with first radiator shutter (81); Second single hole (72) sidepiece is provided with second radiator shutter (82), first radiator shutter (81) with respect to the angle of inclination on surface, circular steel plate bottom (1) greater than first radiator shutter (81) angle of inclination with respect to surface, circular steel plate bottom (1).
7. a kind of External rotor electric machine rotor housing as claimed in claim 6 is characterized in that: described many group holes (7) are along circular steel plate bottom (1) radial arrangement.
8. a kind of External rotor electric machine rotor housing as claimed in claim 6 is characterized in that: described first radiator shutter (81) is adjacent with second radiator shutter (82) of adjacent set, and second radiator shutter (82) is adjacent with first radiator shutter (81) of adjacent set.
9. like claim 1 or 2 or 3 or 4 or 6 or 7 or 8 described a kind of External rotor electric machine rotor housings; It is characterized in that: with ring-type steel plate sidewall (2) homonymy or toss about, all radiator shutters (8) distribute with respect to circular steel plate bottom (1) homonymy described radiator shutter (8) with respect to circular steel plate bottom (1).
10. like claim 2 or 3 or 4 or 6 or 7 or 8 described a kind of External rotor electric machine rotor housings, it is characterized in that: described strengthening part, hole (7), radiator shutter (8) form through punching press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204629601U CN202424383U (en) | 2011-11-18 | 2011-11-18 | Rotor shell of external rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204629601U CN202424383U (en) | 2011-11-18 | 2011-11-18 | Rotor shell of external rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202424383U true CN202424383U (en) | 2012-09-05 |
Family
ID=46749108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204629601U Expired - Fee Related CN202424383U (en) | 2011-11-18 | 2011-11-18 | Rotor shell of external rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202424383U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105027398A (en) * | 2013-03-06 | 2015-11-04 | 三菱电机株式会社 | Power electronic module, method for producing such a module, and rotating electrical machine of a motor vehicle comprising same |
| CN106015103A (en) * | 2016-06-29 | 2016-10-12 | 东莞钜鼎照明有限公司 | Integrally-formed fan guard and manufacturing method thereof |
| CN110957833A (en) * | 2019-11-12 | 2020-04-03 | 程桂香 | Rotor of motor and motor |
-
2011
- 2011-11-18 CN CN2011204629601U patent/CN202424383U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105027398A (en) * | 2013-03-06 | 2015-11-04 | 三菱电机株式会社 | Power electronic module, method for producing such a module, and rotating electrical machine of a motor vehicle comprising same |
| CN106015103A (en) * | 2016-06-29 | 2016-10-12 | 东莞钜鼎照明有限公司 | Integrally-formed fan guard and manufacturing method thereof |
| CN110957833A (en) * | 2019-11-12 | 2020-04-03 | 程桂香 | Rotor of motor and motor |
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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: 20120905 Termination date: 20171118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |