CN203747521U - Motor and stator core of motor - Google Patents
Motor and stator core of motor Download PDFInfo
- Publication number
- CN203747521U CN203747521U CN201320868246.1U CN201320868246U CN203747521U CN 203747521 U CN203747521 U CN 203747521U CN 201320868246 U CN201320868246 U CN 201320868246U CN 203747521 U CN203747521 U CN 203747521U
- Authority
- CN
- China
- Prior art keywords
- weld groove
- stator core
- punching
- weld
- groove
- 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
Links
- 238000004080 punching Methods 0.000 claims abstract description 94
- 238000003466 welding Methods 0.000 claims abstract description 20
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model provides a motor and a stator core of the motor. The stator core of the motor comprises an upper punching sheet, a middle punching sheet and a lower punching sheet which are arranged in a superposing way. The middle punching sheet is located between the upper punching sheet and the lower punching sheet. The peripheral wall of the upper punching sheet is provided with first welding grooves. The peripheral wall of the middle punching sheet is provided with second welding grooves. The peripheral wall of the lower punching sheet is provided with third welding grooves. The second welding grooves include second upper welding grooves and second lower welding grooves. The second upper welding grooves and the second lower welding grooves are spaced apart along the circumference of the middle punching sheet and symmetrical to one another relative to a predetermined plane passing through the central axis of the stator core. The second upper welding grooves are aligned with the first welding grooves. The upper punching sheet and the middle punching sheet are welded on the first welding grooves and the second upper welding grooves. The second lower welding grooves are aligned with the third welding grooves. The lower punching sheet and the middle punching sheet are welded on the third welding grooves and the second lower welding grooves. The stator core of the motor can make the upper punching sheet and the lower punching sheet share one die. The cost is thus lowered.
Description
Technical field
The utility model relates to the stator core of a kind of motor and motor.
Background technology
In view of the optimization of the current motor type of cooling, by original casing water-cooled stator oil cooling till now, improve the cooling effect of motor.On casing inner wall, designed corresponding oil duct, in order to coordinate the sealing demand of whole oil duct, stator welding groove must be avoided the oil duct on casing, in order to avoid cause the leakage of cold oil.
Utility model content
The utility model is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, an object of the present utility model be to propose a kind of simple in structure, can make upper punch sheet and lower punching share the stator core of the motor of a mold.
Another object of the present utility model is to propose a kind of motor with the stator core of above-mentioned motor.
According to the stator core of motor of the present utility model, comprise the upper punching stacking together, middle punching and lower punching, described middle punching is on described between punching and described lower punching, the periphery wall of described upper punching is provided with the first weld groove, the periphery wall of described middle punching is provided with the second weld groove, the periphery wall of described lower punching is provided with the 3rd weld groove, described the second weld groove comprises weld groove and second time weld groove on second, on described second, weld groove and described second time weld groove are mutually symmetrical along the circumferential spaced apart of described middle punching and with respect to the predetermined plane of the central axis by described stator core, on described second, weld groove aligns with described the first weld groove, described upper punching and described middle punching are welded to one another at weld groove place on described the first weld groove and described second, described second time weld groove aligns with described the 3rd weld groove, described lower punching and described middle punching are welded to one another at described the 3rd weld groove and described second time weld groove place.
According to the stator core of motor of the present utility model, make punching described second on weld groove and described second time weld groove along the circumferential spaced apart of described middle punching and with respect to the predetermined plane of the central axis by described stator core, be mutually symmetrical, can be so that upper punch sheet and lower punching share a mold, save mould development cost, and then saved the cost of motor stator.
In addition, according to the stator core of the motor of the utility model above-described embodiment, can also there is following additional technical characterictic:
According to an example of the present utility model, each weld groove in described the first weld groove, the second weld groove and the 3rd weld groove all has U-shaped cross-section.
According to an example of the present utility model, on the diapire of each weld groove in described the first weld groove, the second weld groove and the 3rd weld groove, be equipped with projection, the sidewall spacers of described projection and described each weld groove is opened.
According to an example of the present utility model, the cross section of described projection is rectangle.
According to an example of the present utility model, the periphery wall of described upper punching is provided with the first fixing ear, the periphery wall of described middle punching is provided with the second fixing ear, and the periphery wall of described lower punching is provided with the 3rd fixing ear, described first fixedly ear, second fixedly ear and the 3rd fixedly ear be in alignment with each other.
According to an example of the present utility model, described first fixedly ear there is the first fixing hole, described second fixedly ear there is the second fixing hole, the 3rd fixedly ear there is the 3rd fixing hole, described the first fixing hole, the second fixing hole and the 3rd fixing hole are in alignment with each other.
According to an example of the present utility model, described first fixedly ear, second fixedly ear and the 3rd fixedly ear be three and being circumferentially uniformly distributed along described stator core.
According to an example of the present utility model, described the first weld groove and described the 3rd weld groove are a plurality of and quantity equal, on described second, weld groove is a plurality of and corresponding one by one with described the first weld groove, and described second time weld groove is a plurality of and corresponding one by one with described the 3rd weld groove.
According to an example of the present utility model, described the first weld groove and the 3rd weld groove are 6, described the second weld groove is divided into first group, second group and the 3rd assembly welding groove, described first to the 3rd group of the second weld groove being circumferentially spaced apart from each other along described middle punching, on in described first group two second of two second time weld grooves in described first group between weld groove, on two second in described second group between weld groove two second time weld grooves in described second group, weld groove circumferentially alternately arranging along described middle punching on two second time weld grooves in described the 3rd group and two second.
According to motor of the present utility model, comprise casing and stator core, institute's stator core is the stator core of the motor described in above-mentioned any one, the inwall of described casing is provided with oil duct, described stator core is located in described casing, and described the first weld groove, the second weld groove and the 3rd weld groove and described oil duct upwards staggered each other in the week of described stator core.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the schematic diagram of the upper punching in the stator core of the motor of an embodiment of the utility model;
Fig. 2 is according to the schematic diagram of the middle punching in the stator core of the motor of an embodiment of the utility model; With
Fig. 3 is according to the schematic diagram of the lower punching in the stator core of the motor of an embodiment of the utility model.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but contact by the other feature between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is less than Second Characteristic.
Below with reference to accompanying drawing, describe the stator core according to motor of the present utility model in detail.
As shown in Figure 1 to Figure 3, according to the stator core of motor of the present utility model, comprise the upper punching 11, middle punching 12 and the lower punching 13 that stack together.
Specifically, middle punching 12 is between upper punching 11 and lower punching 13.
The periphery wall of upper punching is provided with the first weld groove 1101,1102,1103,1104,1105,1106.
The periphery wall of middle punching is provided with the second weld groove.
The periphery wall of lower punching 13 is provided with the 3rd weld groove 1301,1302,1303,1304,1305,1306.
Wherein, described the second weld groove comprises 1211,1212,1213,1214,1215,1216 and second time weld groove 1221,1222,1223,1224,1225,1226 of weld groove on second.
On second, weld groove 1211,1212,1213,1214,1215,1216 and second time weld groove 1221,1222,1223,1224,1225,1226 along in punching circumferential spaced apart and being mutually symmetrical with respect to the predetermined plane of the central axis by described stator core.
On second, weld groove 1211,1212, and 1213,1214,1215,1216 align 1101,1102,1103 with the first weld groove, 1104,1105,1106, upper punching 11 and middle punching 12 are at the first weld groove 1101,1102,1103,1104,1105, on 1106 and second, weld groove 1211,1212, and 1213,1214,1215,1216 places are welded to one another.
Second time weld groove 1221,1222,1223,1224, the 1225,1226 and the 3rd weld groove 1301,1302,1303,1304,1305,1306 alignment, lower punching 13 and middle punching 12 are at the 3rd weld groove 1301,1302,1303,1304,1305,1306 and second time weld groove 1221,1222,1223,1224,1225,1226 places are welded to one another.
That is to say, when design, first as shown in Figure 2, set one by the straight line a of middle punching 12, then make weld groove 1211 on second, 1212,1213,1214,1215,1216 and second time weld groove 1221,1222,1223,1224,1225,1226 is symmetrical with respect to straight line a.Then as depicted in figs. 1 and 2, make the first weld groove 1101,1102 in punching 11 then,, 1103,1104,1105,1106 with middle punching 12 on second on weld groove 1211,1212,1213,1214,1215,1216 is corresponding one by one, makes the 3rd weld groove 1301,1302,1303 in lower punching 13,1304,1305,1306 with middle punching on second time weld groove 1221,1222,1223,1224,1225,1226 is corresponding one by one.Above-mentioned upper punching 11, middle punching 12 and lower punching is stacked successively, can obtain the stator core according to motor of the present utility model.
Here it should be noted that, as shown in Figure 2, described " predetermined plane " refers to that this is understandable to those skilled in the art by the plane of central axis and the straight line a of stator core.
According to the stator core of motor of the present utility model, make weld groove in second in punching and second time weld groove along in punching circumferential spaced apart and being mutually symmetrical with respect to the predetermined plane of the central axis by described stator core, can be so that upper punch sheet and lower punching share a mold, save mould development cost, and then saved the cost of motor stator.
As shown in Figure 1 to Figure 3, according to an example of the present utility model, each weld groove in upper punching 11, middle punching 12 and lower punching 13 all has U-shaped cross-section.Advantageously, on the diapire of each weld groove, be equipped with projection, the sidewall spacers of described projection and each weld groove is opened.Further, the cross section of described projection is rectangle.
As shown in Figure 1 to Figure 3, according to an example of the present utility model, the periphery wall of upper punching 11 is provided with the first fixing ear 111,112,113.The periphery wall of middle punching 12 is provided with the second fixing ear 121,122,123.The periphery wall of lower punching 13 is provided with the 3rd fixing ear 131,132,133.The first fixing fixing fixing ear 131,132 of ear 121,122,123 and the 3rd of ear 111,112,113, second, 133 are in alignment with each other.Advantageously, first fixedly ear 111,112,113 all there is the first fixing hole, second fixedly ear 121,122,123 all there is the second fixing hole, the 3rd fixedly ear 131,132,133 all there is the 3rd fixing hole.Described the first fixing hole, the second fixing hole and the 3rd fixing hole are in alignment with each other.
Further, according to an example of the present utility model, first fixedly ear 111,112,113 be three and being circumferentially uniformly distributed along described stator core.Second fixedly ear 121,122,123 be three and being circumferentially uniformly distributed along described stator core.The 3rd fixedly ear 131,132,133 be three and being circumferentially uniformly distributed along described stator core.
Advantageously, according to an example of the present utility model, described the first weld groove and described the 3rd weld groove are a plurality of and quantity and equate, weld groove is a plurality of and corresponding one by one with described the first weld groove on described second, and described second time weld groove is a plurality of and corresponding one by one with described the 3rd weld groove.For instance, as shown in figures 1 and 3, described the first weld groove and the 3rd weld groove are 6.As shown in Figure 2, described the second weld groove is divided into first group, second group and the 3rd assembly welding groove, described first to the 3rd group of the second weld groove being circumferentially spaced apart from each other along described middle punching, on in described first group two second of two second time weld grooves in described first group between weld groove, on two second in described second group between weld groove two second time weld grooves in described second group, weld groove circumferentially alternately arranging along described middle punching on two second time weld grooves in described the 3rd group and two second.
According to motor of the present utility model, comprise casing and stator core.Institute's stator core is the stator core of the motor described in above-mentioned any one.The inwall of described casing is provided with oil duct, and described stator core is located in described casing, and described the first weld groove, the second weld groove and the 3rd weld groove and described oil duct upwards staggered each other in the week of described stator core.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in the situation that not departing from principle of the present utility model and aim in scope of the present utility model, modification, replacement and modification.
Claims (10)
1. the stator core of a motor, it is characterized in that, comprise the upper punching stacking together, middle punching and lower punching, described middle punching is on described between punching and described lower punching, the periphery wall of described upper punching is provided with the first weld groove, the periphery wall of described middle punching is provided with the second weld groove, the periphery wall of described lower punching is provided with the 3rd weld groove, described the second weld groove comprises weld groove and second time weld groove on second, on described second, weld groove and described second time weld groove are mutually symmetrical along the circumferential spaced apart of described middle punching and with respect to the predetermined plane of the central axis by described stator core, on described second, weld groove aligns with described the first weld groove, described upper punching and described middle punching are welded to one another at weld groove place on described the first weld groove and described second, described second time weld groove aligns with described the 3rd weld groove, described lower punching and described middle punching are welded to one another at described the 3rd weld groove and described second time weld groove place.
2. the stator core of motor according to claim 1, is characterized in that, each weld groove in described the first weld groove, the second weld groove and the 3rd weld groove all has U-shaped cross-section.
3. the stator core of motor according to claim 1, is characterized in that, on the diapire of each weld groove in described the first weld groove, the second weld groove and the 3rd weld groove, is equipped with projection, and the sidewall spacers of described projection and described each weld groove is opened.
4. the stator core of motor according to claim 3, is characterized in that, the cross section of described projection is rectangle.
5. the stator core of motor according to claim 1, it is characterized in that, the periphery wall of described upper punching is provided with the first fixing ear, the periphery wall of described middle punching is provided with the second fixing ear, the periphery wall of described lower punching is provided with the 3rd fixing ear, described first fixedly ear, second fixedly ear and the 3rd fixedly ear be in alignment with each other.
6. the stator core of motor according to claim 5, it is characterized in that, described first fixedly ear there is the first fixing hole, described second fixedly ear there is the second fixing hole, the 3rd fixedly ear there is the 3rd fixing hole, described the first fixing hole, the second fixing hole and the 3rd fixing hole are in alignment with each other.
7. the stator core of motor according to claim 6, is characterized in that, described first fixedly ear, second fixedly ear and the 3rd fixedly ear be three and being circumferentially uniformly distributed along described stator core.
8. according to the stator core of the motor described in any one in claim 1-7, it is characterized in that, described the first weld groove and described the 3rd weld groove are a plurality of and quantity equal, on described second, weld groove is a plurality of and corresponding one by one with described the first weld groove, and described second time weld groove is a plurality of and corresponding one by one with described the 3rd weld groove.
9. the stator core of motor according to claim 8, is characterized in that, described the first weld groove and the 3rd weld groove are 6,
Described the second weld groove is divided into first group, second group and the 3rd assembly welding groove, described first to the 3rd group of the second weld groove being circumferentially spaced apart from each other along described middle punching, on in described first group two second of two second time weld grooves in described first group between weld groove, on two second in described second group between weld groove two second time weld grooves in described second group, weld groove circumferentially alternately arranging along described middle punching on two second time weld grooves in described the 3rd group and two second.
10. a motor, it is characterized in that, comprise casing and stator core, institute's stator core is according to the stator core of the motor described in any one in claim 1-9, the inwall of described casing is provided with oil duct, described stator core is located in described casing, and described the first weld groove, the second weld groove and the 3rd weld groove and described oil duct upwards staggered each other in the week of described stator core.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868246.1U CN203747521U (en) | 2013-12-25 | 2013-12-25 | Motor and stator core of motor |
| PCT/CN2014/095026 WO2015096792A1 (en) | 2013-12-25 | 2014-12-25 | Stator core of electrical motor and electrical motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868246.1U CN203747521U (en) | 2013-12-25 | 2013-12-25 | Motor and stator core of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203747521U true CN203747521U (en) | 2014-07-30 |
Family
ID=51347277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320868246.1U Expired - Lifetime CN203747521U (en) | 2013-12-25 | 2013-12-25 | Motor and stator core of motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203747521U (en) |
| WO (1) | WO2015096792A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015096792A1 (en) * | 2013-12-25 | 2015-07-02 | Byd Company Limited | Stator core of electrical motor and electrical motor |
| CN112018928A (en) * | 2019-05-31 | 2020-12-01 | 日本电产株式会社 | Motor and electrical equipment comprising same |
| CN113491058A (en) * | 2018-12-28 | 2021-10-08 | 日本发条株式会社 | Laminated core and method for manufacturing laminated core |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1123039B (en) * | 1957-04-12 | 1962-02-01 | Fritz Tellert | Single or multi-phase alternating current machine with square stand plates and differently shaped stand slots |
| JP5130196B2 (en) * | 2008-12-24 | 2013-01-30 | トヨタ自動車株式会社 | Motor core |
| CN102055289A (en) * | 2009-10-30 | 2011-05-11 | 上海曼科电机制造有限公司 | Stator for efficient and super-efficient three-phase asynchronous motors |
| CN203747521U (en) * | 2013-12-25 | 2014-07-30 | 比亚迪股份有限公司 | Motor and stator core of motor |
-
2013
- 2013-12-25 CN CN201320868246.1U patent/CN203747521U/en not_active Expired - Lifetime
-
2014
- 2014-12-25 WO PCT/CN2014/095026 patent/WO2015096792A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015096792A1 (en) * | 2013-12-25 | 2015-07-02 | Byd Company Limited | Stator core of electrical motor and electrical motor |
| CN113491058A (en) * | 2018-12-28 | 2021-10-08 | 日本发条株式会社 | Laminated core and method for manufacturing laminated core |
| CN113491058B (en) * | 2018-12-28 | 2023-09-26 | 日本发条株式会社 | Laminated iron core and method for manufacturing laminated iron core |
| CN112018928A (en) * | 2019-05-31 | 2020-12-01 | 日本电产株式会社 | Motor and electrical equipment comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015096792A1 (en) | 2015-07-02 |
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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: 20140730 |