CN102655353A - External tooth type stator iron core - Google Patents
External tooth type stator iron core Download PDFInfo
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- CN102655353A CN102655353A CN2011100528714A CN201110052871A CN102655353A CN 102655353 A CN102655353 A CN 102655353A CN 2011100528714 A CN2011100528714 A CN 2011100528714A CN 201110052871 A CN201110052871 A CN 201110052871A CN 102655353 A CN102655353 A CN 102655353A
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- tooth
- yoke portion
- tooth root
- type stator
- teeth
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Abstract
The invention discloses an external tooth type stator iron core which is formed by winding and overlapping a strip-shaped punched sheet (1) along the spiral route. The external tooth type stator iron core comprises a yoke part (2) and a plurality of alternatively-distributed teeth (3) protruding outwards from the outer side of the yoke part (2), wherein the inner side of the yoke part (2) are enclosed into a center hole (4), an inserting groove (5) is formed between adjacent teeth (3), and the center hole (4) is not communicated with the inserting grooves (5). The external tooth type stator iron core is characterized in that the teeth (3) comprise narrow teeth (31) and wide teeth (32), wherein the narrow teeth (31) and the wide teeth (32) are alternatively arranged along the outer side of the yoke part (2). By adopting two tooth types of the narrow teeth and the wide teeth, the narrow teeth and the wide teeth are alternatively arranged along the outer side of the yoke part, thus the groove area and the full rate of the inserting grooves after being wound are increased, the vibration and the noise are reduced, and the efficiency is increased, thus the integral property of a motor is improved.
Description
Technical field:
The present invention relates to a kind of external tooth type stator core.
Background technology:
At present, the external tooth type stator core of direct driving motor, being reeled by spiral path by the punching of bar shaped is formed by stacking; Comprise yoke portion and several teeth spaced apart that protrude outward from the yoke portion outside, yoke portion inboard besieged city centre bore forms line embedding groove between the adjacent teeth; Centre bore is not communicated with line embedding groove, and generally the external tooth type stator core basically all is to adopt single flute profile, and the area of the line embedding groove between the adjacent teeth is little; Coiling back copper factor is low; The overall performance of motor is not high, and like vibrations, noise is bigger, efficient is lower; In addition, the inboard notch features that is provided with of the yoke portion of the punching of bar shaped is unreasonable, and it is inconvenient to reel, and the iron core mechanical performance behind the coiling is good inadequately.
Summary of the invention:
The purpose of this invention is to provide a kind of external tooth type stator core, through adopting two kinds of flute profiles of narrow tooth and wide tooth, narrow tooth and wide tooth are spaced apart along the yoke portion outside; Improve the groove area of line embedding groove and the copper factor after the coiling; Reduce vibrations, noise, raise the efficiency, thereby improve the motor overall performance.
The objective of the invention is to be achieved through following technical scheme.
A kind of external tooth type stator core; Punching by bar shaped is formed by stacking by the spiral path coiling, comprises yoke portion and several teeth spaced apart that protrude outward from the yoke portion outside, yoke portion inboard besieged city centre bore; Form line embedding groove between the adjacent teeth; Centre bore is not communicated with line embedding groove, and tooth comprises narrow tooth and two kinds of flute profiles of wide tooth, and narrow tooth and wide tooth are spaced apart along the yoke portion outside.
Above-mentioned described narrow tooth comprises first caps, the first tooth root top and the first tooth root bottom; Wide tooth comprises second caps, the second tooth root top and the second tooth root bottom; The facewidth on the first tooth root top is less than the facewidth on the second tooth root top, and the width of the second tooth root top and the second tooth root bottom is identical.
The above-mentioned described first tooth root bottom, the second tooth root bottom are connected with yoke portion, and the facewidth of the first tooth root bottom equals the facewidth of the second tooth root bottom.
The facewidth degree of the above-mentioned described first tooth root top and the first tooth root bottom is identical.
The width of above-mentioned described first caps is less than the width of second caps.
Above-mentioned described yoke portion several installing holes that supply rivets to pass that circumferentially distribute.
Above-mentioned described yoke portion inner circumferential several otch that distribute, otch is communicated with centre bore, and above-mentioned described otch is included in V-notch and the circular hole composition under the punching deployed condition of bar shaped.
In the yoke portion of below otch is set in the middle of above-mentioned described each line embedding groove bottom.
Above-mentioned described mounting hole site is in the middle of two adjacent cut, and external diameter R is in 120mm to 140mm scope.
Above-mentioned described between adjacent two otch, yoke portion inboard digs out arc groove.
The present invention's beneficial effect compared with prior art is: 1) iron core of the present invention is reeled by spiral path by the punching of bar shaped and is formed by stacking; Comprise yoke portion and several teeth spaced apart that protrude outward from the yoke portion outside, tooth comprises narrow tooth and two kinds of flute profiles of wide tooth, and narrow tooth and wide tooth are spaced apart along the yoke portion outside; Can improve the groove area of line embedding groove and the copper factor after the coiling like this; Reduce vibrations, noise, raise the efficiency, thereby improve the motor overall performance; 2) width of the second tooth root top and the second tooth root bottom is identical, and the facewidth on the first tooth root top of narrow tooth is less than the facewidth on the second tooth root top of wide tooth, and is simple in structure, and it is convenient to implement; The facewidth of the first tooth root bottom of narrow tooth equals the facewidth of the second tooth root bottom of wide tooth, makes narrow tooth, wide tooth consistent with yoke portion bonding strength, improves the overall mechanical properties of narrow tooth; 3) width of the second tooth root top and the second tooth root bottom is identical, and the first tooth root top is identical with the facewidth degree of the first tooth root bottom, and the facewidth on the first tooth root top of narrow tooth is less than the facewidth on the second tooth root top of wide tooth, and is simple in structure, and it is convenient to implement.4) yoke portion several installing holes that supply rivets to pass that circumferentially distribute; Yoke portion several otch of inner circumferential distribution; Otch is communicated with centre bore, and V-notch and circular hole that otch is included under the punching deployed condition of bar shaped are formed, through changing the shape of otch; Make coiling more simple and convenient, the iron core overall mechanical properties behind the coiling is good.5) between adjacent two otch, yoke portion inboard digs out arc groove, makes coiling more simple and convenient.
Description of drawings:
Fig. 1 is the front view of embodiments of the invention one iron core;
Fig. 2 is the A-A partial enlarged drawing of Fig. 1;
Fig. 3 is the structural representation that embodiments of the invention one bar shaped punching launches;
Fig. 4 is the front view of embodiments of the invention two iron cores;
Fig. 5 is the B-B partial enlarged drawing of Fig. 4;
Fig. 6 is the structural representation that embodiments of the invention two bar shaped punchings launch.
Embodiment:
Below through specific embodiment and combine accompanying drawing that the present invention is described in further detail.
Embodiment one: like Fig. 1, Fig. 2, shown in Figure 3, and a kind of external tooth type stator core of the present invention, being reeled by spiral path by the punching 1 of bar shaped is formed by stacking; Comprise yoke portion 2 and several teeth spaced apart 3 that protrude outward from yoke portion 2 outsides, yoke portion 2 inboard besieged city centre bores 4 form line embedding groove 5 between the adjacent teeth 3; Centre bore 4 is not communicated with line embedding groove 5, and tooth 3 comprises narrow tooth 31 and 32 two kinds of flute profiles of wide tooth, and narrow tooth 31 is spaced apart along yoke portion 2 outsides with wide tooth 32; Narrow tooth 31 comprises first caps 311, the first tooth root top 312 and the first tooth root bottom 313; Wide tooth 32 comprises the facewidth L2 of the facewidth L1 on second caps 321, the second tooth root top 322 and 323, the first tooth root tops 312, the second tooth root bottom less than the second tooth root top 322, and the width of the second tooth root top 322 and the second tooth root bottom 323 is identical; The first tooth root bottom 313, the second tooth root bottom 323 are connected with yoke portion 2; The facewidth L 3 of the first tooth root bottom 313 equals the facewidth L4 of the second tooth root bottom 323, and the width L5 of first caps 311 is less than the width L6 of second caps 321, and yoke portion 2 is several installing holes 21 that supply rivets to pass of distribution circumferentially; Yoke portion several otch 6 of 2 inner circumferential distribution; Otch 6 is communicated with centre bore 4, and the V-notch 61 that otch 6 is included under punching 1 deployed condition of bar shaped is formed with circular hole 62, in the yoke portion 2 of below otch 6 is set in the middle of each line embedding groove 5 bottom; Installing hole 21 is positioned in the middle of two adjacent cut 6, and external diameter R is in 120mm to 140mm scope.
Embodiment two: like Fig. 4, Fig. 5 and shown in Figure 6, and a kind of external tooth type stator core of the present invention, being reeled by spiral path by the punching 1 of bar shaped is formed by stacking; Comprise yoke portion 2 and several teeth spaced apart 3 that protrude outward from yoke portion 2 outsides, yoke portion 2 inboard besieged city centre bores 4 form line embedding groove 5 between the adjacent teeth 3; Centre bore 4 is not communicated with line embedding groove 5, and tooth 3 comprises narrow tooth 31 and 32 two kinds of flute profiles of wide tooth, and narrow tooth 31 is spaced apart along yoke portion 2 outsides with wide tooth 32; Narrow tooth 31 comprises first caps 311, the first tooth root top 312 and the first tooth root bottom 313; Wide tooth 32 comprises the facewidth L2 of the facewidth L1 on second caps 321, the second tooth root top 322 and 323, the first tooth root tops 312, the second tooth root bottom less than the second tooth root top 322, and the width of the second tooth root top 322 and the second tooth root bottom 323 is identical; The first tooth root bottom 313, the second tooth root bottom 323 are connected with yoke portion 2; The first tooth root top 312 is identical with the facewidth degree of the first tooth root bottom 313, and the width L5 of first caps 311 is less than the width L6 of second caps 321, and yoke portion 2 is several installing holes 21 that supply rivets to pass of distribution circumferentially; Yoke portion several otch 6 of 2 inner circumferential distribution; Otch 6 is communicated with centre bore 4, and the V-notch 61 that otch 6 is included under punching 1 deployed condition of bar shaped is formed with circular hole 62, in the yoke portion 2 of below otch 6 is set in the middle of each line embedding groove 5 bottom; Between adjacent two otch 6, yoke portion 2 inboards dig out arc groove 7, external diameter R is in 120mm to 140mm scope.。
Principle of the present invention is: through adopting two kinds of flute profiles of narrow tooth and wide tooth, narrow tooth and wide tooth are spaced apart along the yoke portion outside, improve the groove area of line embedding groove and the copper factor after the coiling, reduce vibrations, noise, raise the efficiency, thereby improve the motor overall performance.
Claims (10)
1. external tooth type stator core; Punching (1) by bar shaped is formed by stacking by the spiral path coiling, comprises yoke portion (2) and several teeth spaced apart (3) that protrude outward from yoke portion (2) outside, yoke portion (2) inboard besieged city centre bore (4); Form line embedding groove (5) between the adjacent teeth (3); Centre bore (4) is not communicated with line embedding groove (5), it is characterized in that: tooth (3) comprises narrow tooth (31) and (32) two kinds of flute profiles of wide tooth, and narrow tooth (31) and wide tooth (32) are spaced apart along yoke portion (2) outside.
2. a kind of external tooth type stator core according to claim 1; It is characterized in that: narrow tooth (31) comprises first caps (311), the first tooth root top (312) and the first tooth root bottom (313); Wide tooth (32) comprises second caps (321), the second tooth root top (322) and the second tooth root bottom (323); The facewidth L1 on the first tooth root top (312) is less than the facewidth L2 on the second tooth root top (322), and the width of the second tooth root top (322) and the second tooth root bottom (323) is identical.
3. a kind of external tooth type stator core according to claim 2 is characterized in that: the first tooth root bottom (313), the second tooth root bottom (323) are connected with yoke portion (2), and the facewidth L 3 of the first tooth root bottom (313) equals the facewidth L4 of the second tooth root bottom (323).
4. a kind of external tooth type stator core according to claim 2 is characterized in that: the facewidth degree of the first tooth root top (312) and the first tooth root bottom (313) is identical.
5. according to claim 2 or 3 or 4 described a kind of external tooth type stator cores, it is characterized in that: the width L5 of first caps (311) is less than the width L6 of second caps (321).
6. according to claim 1 or 2 or 3 or 4 described a kind of external tooth type stator cores, it is characterized in that: yoke portion (2) installing hole (21) that several supply rivets to pass that circumferentially distributes.
7. a kind of external tooth type stator core according to claim 6; It is characterized in that: yoke portion (2) inner circumferential distribution several otch (6); Otch (6) is communicated with centre bore (4), and V-notch (61) and circular hole (62) that otch (6) is included under punching (1) deployed condition of bar shaped are formed.
8. a kind of external tooth type stator core according to claim 7 is characterized in that: in the yoke portion (2) of below otch (6) is set in the middle of each line embedding groove (5) bottom.
9. a kind of external tooth type stator core according to claim 8 is characterized in that: installing hole (21) is positioned in the middle of two adjacent cut (6), and external diameter R is in 120mm to 140mm scope.
10. a kind of external tooth type stator core according to claim 1 is characterized in that: between adjacent two otch (6), yoke portion (2) inboard digs out arc groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100528714A CN102655353A (en) | 2011-03-01 | 2011-03-01 | External tooth type stator iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100528714A CN102655353A (en) | 2011-03-01 | 2011-03-01 | External tooth type stator iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102655353A true CN102655353A (en) | 2012-09-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100528714A Pending CN102655353A (en) | 2011-03-01 | 2011-03-01 | External tooth type stator iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102655353A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317051A (en) * | 2013-05-24 | 2013-09-25 | 信质电机股份有限公司 | Stator iron chip notching process in torn mode |
| JPWO2017047264A1 (en) * | 2015-09-18 | 2018-03-22 | アイシン・エィ・ダブリュ株式会社 | Rotating electric machine and stator |
| CN108768006A (en) * | 2018-08-17 | 2018-11-06 | 无锡晶晟科技股份有限公司 | Stator laminating structure of motor and its method for winding |
| CN112383157A (en) * | 2020-10-29 | 2021-02-19 | 青岛中加特电气股份有限公司 | Stator punching sheet, stator and motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10304604A (en) * | 1997-04-24 | 1998-11-13 | Toshiba Corp | Direct-current motor |
| JP2007116801A (en) * | 2005-10-19 | 2007-05-10 | Toshiba Corp | Rotating electric machine |
| WO2009084251A1 (en) * | 2007-12-27 | 2009-07-09 | Mitsubishi Electric Corporation | Rotator for induction electric motor, induction electric motor, compressor, blower, and air-conditioning device |
| CN201674285U (en) * | 2010-04-30 | 2010-12-15 | 中山大洋电机制造有限公司 | Banding motor stator punching structure |
| CN201937348U (en) * | 2011-03-01 | 2011-08-17 | 中山大洋电机制造有限公司 | Outer gear type stator core |
-
2011
- 2011-03-01 CN CN2011100528714A patent/CN102655353A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10304604A (en) * | 1997-04-24 | 1998-11-13 | Toshiba Corp | Direct-current motor |
| JP2007116801A (en) * | 2005-10-19 | 2007-05-10 | Toshiba Corp | Rotating electric machine |
| WO2009084251A1 (en) * | 2007-12-27 | 2009-07-09 | Mitsubishi Electric Corporation | Rotator for induction electric motor, induction electric motor, compressor, blower, and air-conditioning device |
| CN201674285U (en) * | 2010-04-30 | 2010-12-15 | 中山大洋电机制造有限公司 | Banding motor stator punching structure |
| CN201937348U (en) * | 2011-03-01 | 2011-08-17 | 中山大洋电机制造有限公司 | Outer gear type stator core |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317051A (en) * | 2013-05-24 | 2013-09-25 | 信质电机股份有限公司 | Stator iron chip notching process in torn mode |
| JPWO2017047264A1 (en) * | 2015-09-18 | 2018-03-22 | アイシン・エィ・ダブリュ株式会社 | Rotating electric machine and stator |
| CN108768006A (en) * | 2018-08-17 | 2018-11-06 | 无锡晶晟科技股份有限公司 | Stator laminating structure of motor and its method for winding |
| CN112383157A (en) * | 2020-10-29 | 2021-02-19 | 青岛中加特电气股份有限公司 | Stator punching sheet, stator and motor |
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| PB01 | Publication | ||
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Application publication date: 20120905 |