CN207339441U - A kind of stator core and its plastic packaging stator of application, external rotor electric machine - Google Patents
A kind of stator core and its plastic packaging stator of application, external rotor electric machine Download PDFInfo
- Publication number
- CN207339441U CN207339441U CN201721351906.3U CN201721351906U CN207339441U CN 207339441 U CN207339441 U CN 207339441U CN 201721351906 U CN201721351906 U CN 201721351906U CN 207339441 U CN207339441 U CN 207339441U
- Authority
- CN
- China
- Prior art keywords
- tooth
- stator core
- teeth portion
- straight
- stator
- 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.)
- Active
Links
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses a kind of stator core and its plastic packaging stator of application, external rotor electric machine, the stator core includes ring-shaped yoke portion and from ring-shaped yoke portion outer ledge toward some first teeth portion and the second teeth portion overhang, first teeth portion and the second teeth portion alternating circumferential array, second teeth portion includes public root portion, toward the left curved tooth overhang from public root portion, at least one second straight-tooth and right curved tooth, between left curved tooth and the second straight-tooth, between two neighboring second straight-tooth, the second line embedding groove is formed between second straight-tooth and right curved tooth, the first line embedding groove is formed between first teeth portion and the second teeth portion, it is characterized in that：First teeth portion is split as the first root and the first top, first root and the first top cooperating together by the first card slot and the first fixture block from middle part.The stator core construction is simple, and the coil windings coiling of plastic packaging stator is convenient, and qualification rate is high.
Description
Technical field：
It the utility model is related to plastic packaging stator, the external rotor electric machine of a kind of stator core and its application.
Background technology：
Existing plastic packaging stator includes stator core, overhang insulation, coil windings and plastic-sealed body, and the stator core includes
Ring-shaped yoke portion and past some first teeth portion and the second teeth portion overhang from ring-shaped yoke portion outer ledge, the first teeth portion and second
Teeth portion replaces circumferential array, and the second teeth portion includes common root portion, past left curved tooth, straight-tooth and the right side overhang from root portion
Left curved tooth and right curved tooth are separated and form two the first line embedding grooves by curved tooth, straight-tooth, the root portion of the second teeth portion, left curved tooth and the right side
Two the second line embedding grooves are formed between curved tooth and adjacent two the first teeth portion；Since the top of each teeth portion is equipped with dovetail knot
Structure so that the notch very little of the first line embedding groove and the second line embedding groove, in machine coiling, enameled wire holds when passing through stator slot mouth
Easily hinder line, hanging wire, cause plastic packaging stator disqualification rate higher.
The content of the invention：
The purpose of this utility model is to provide the plastic packaging stator of a kind of stator core and its application, external rotor electric machine, can solve
The problem of enameled wire easily hinders line, hanging wire in certainly existing plastic packaging stator production process.
The purpose of this utility model is achieved by following technical proposals.
First purpose of the utility model is to provide a kind of stator core, including ring-shaped yoke portion and on the outside of ring-shaped yoke portion
Toward some first teeth portion and the second teeth portion overhang, the first teeth portion and the second teeth portion alternating circumferential array, the second tooth on edge
Portion includes public root portion, the past left curved tooth overhang, at least one second straight-tooth and right curved tooth from public root portion, left curved
Between tooth and the second straight-tooth, between two neighboring second straight-tooth, form the second line embedding groove between the second straight-tooth and right curved tooth, first
The first line embedding groove is formed between teeth portion and the second teeth portion, it is characterised in that：First teeth portion is split as the first root and from middle part
One top, first root and the first top cooperating together by the first card slot and the first fixture block.
First card slot described above is dovetail groove or T-slot.
Second straight-tooth described above is split as the second root and the second top, second root and the second top from middle part
Pass through cooperating together for the second card slot and the second fixture block.
Second card slot described above is dovetail groove or T-slot.
First top described above, the second top, left curved tooth crest and right curved tooth crest are tangent with a tangent circle.
First teeth portion described above include it is at least one directly from ring-shaped yoke portion outer ledge toward the first straight-tooth for overhanging,
The 3rd line embedding groove is formed between two neighboring first straight-tooth, each first straight-tooth includes the first root and the first top.
First teeth portion described above includes one or two or three the first straight-tooth.
Second purpose of the utility model is to provide a kind of plastic packaging stator, including stator core, overhang insulation, coil around
Group and plastic-sealed body, overhang insulation are installed on the end face of stator core, and coil windings are winding and installed on overhang insulation, plastic-sealed body
Stator core, overhang insulation and coil windings are linked integral, it is characterised in that：The stator core is described above
Stator core.
Coil windings described above include first coil winding and second coil winding, and it is embedding that first coil winding is wound on first
In wire casing, second coil winding is wound in the second line embedding groove, and overhang insulation is protruding with axial both ends on left curved tooth and right curved tooth
Convex block, convex block are pressed at the top of first coil winding.
3rd purpose of the utility model is to provide a kind of external rotor electric machine, including shaft, outer rotor and plastic packaging stator,
Outer rotor is sheathed on outside plastic packaging stator, and shaft is installed among plastic packaging stator and links together with outer rotor, its feature
It is：The plastic packaging stator is plastic packaging stator described above.
The utility model compared with prior art, has the effect that：
1) in the stator core, the first teeth portion is split as the first root and the first top from middle part, makes first tooth
First line embedding groove of portion both sides forms common first notch, and enameled wire enters first from the first notch during machine coiling
Line embedding groove, effectively avoids enameled wire from hindering line or hanging wire when entering the first line embedding groove；First top is after coil-winding
It is separately mounted on the first root, independence and insulating properties between guaranteed each first line embedding groove, ensure that stator iron
The overall performance of core；
2) the second straight-tooth is split as the second root and the second top from middle part, makes each second embedding in second teeth portion
Groove forms common second notch, and enameled wire enters the second line embedding groove, coil-winding from the second notch during machine coiling
After the second top is installed on the second root again, coiling is convenient, efficient；
3) first card slot and the second card slot are dovetail groove or dovetail groove, and the fixation at the first top and the second top is more
It is good；
4) plastic packaging stator, by being improved to the structure of stator core, when making production, the installation of coil windings is more
It is convenient, improve work efficiency and qualification rate；
5) external rotor electric machine, production efficiency are high.
Brief description of the drawings：
Fig. 1 is the structure diagram for the stator core that the utility model embodiment one provides；
Fig. 2 is the front view for the stator core that the utility model embodiment one provides；
Fig. 3 is the explosive view for the stator core that the utility model embodiment one provides；
Fig. 4 is enlarged drawing at the A of Fig. 3；
Fig. 5 is the front view for the stator core that the utility model embodiment two provides；
Fig. 6 is the structure diagram for the plastic packaging stator that the utility model embodiment three provides；
Fig. 7 is the structure diagram before the non-plastic packaging of plastic packaging stator that the utility model embodiment three provides；
Fig. 8 is the structure diagram for the external rotor electric machine that the utility model embodiment four provides；
Fig. 9 is the sectional view for the external rotor electric machine that the utility model embodiment four provides.
Embodiment：
The utility model is described in further detail below by specific embodiment and with reference to attached drawing.
Embodiment one：
As shown in Figures 1 to 5, provided in this embodiment is a kind of stator core, including ring-shaped yoke portion 1 and from ring-shaped yoke portion
Alternately circumferentially arranged toward 2 and second teeth portion 3 of some first teeth portion overhang, the first teeth portion 2 and the second teeth portion 3 on 1 outer ledge
Row, the second teeth portion 3 include public root portion 31, the past left curved tooth 32 overhang, at least one second from public root portion 31
Straight-tooth 33 and right curved tooth 34, between left curved 32 and second straight-tooth 33 of tooth, between two neighboring second straight-tooth 33, the second straight-tooth 33 with
The second line embedding groove 42 is formed between right curved tooth 34, the first line embedding groove 41, its feature are formed between the first teeth portion 2 and the second teeth portion 3
It is：First teeth portion 2 is split as the first root 21 and the first top 22 from middle part, and the top of the first root 21 and first 22 is logical
Cross cooperating together for the first card slot 211 and the first fixture block 221.
In stator core described in the present embodiment, the first teeth portion 2 is split as the first root 21 and the first top 22 from middle part, makes
First line embedding groove 41 of one 2 both sides of the first teeth portion forms common first notch 51, during machine coiling enameled wire from
First notch 51 enters the first line embedding groove 41, effectively avoids enameled wire from hindering line or hanging wire when entering the first line embedding groove 41；The
One top 22 is separately mounted on the first root 21 after coil-winding, between guaranteed each first line embedding groove 41
Independence and insulating properties, ensure that the overall performance of stator core.
First card slot 211 described above is dovetail groove or T-slot.
Therefrom part is at the top of the second root 331 and second 332 to second straight-tooth 33 described above, second root 331
With the second cooperating together by the second card slot 333 and the second fixture block 334 of top 332.Second straight-tooth 33 therefrom part
For the second root 331 and the second top 332, make each second line embedding groove 42 in second teeth portion 3 form one it is common
Second notch 52, enameled wire enters the second line embedding groove 42 from the second notch 52 during machine coiling, again by the after coil-winding
Two tops 332 are installed on the second root 331, and coiling is convenient, efficient.
Second card slot 333 described above is dovetail groove or T-slot.
First card slot, 211 and second card slot 333 is dovetail groove or T-slot, can make the first top 22 and the second top
332 fixation is more preferable.
The 22, second top 332 of first top, the left curved top of tooth 32 and the right curved top of tooth 34 described above with a tangent circle
101 is tangent.
Embodiment two：
As shown in figure 5, a kind of stator core provided in this embodiment is similar with a kind of stator core of embodiment, it is different
Part is：
First teeth portion 2 include it is at least one directly from 1 outer ledge of ring-shaped yoke portion toward the first straight-tooth 20 for overhanging,
The 3rd line embedding groove 43 is formed between two neighboring first straight-tooth 20, each first straight-tooth 20 includes the first root 21 and the first top
Portion 22.
First teeth portion 2 described above includes two or three first straight-tooth 20.
Embodiment three：
As shown in Figure 6, Figure 7, provided in this embodiment is a kind of plastic packaging stator, including stator core 61, overhang insulation 62,
Coil windings 63 and plastic-sealed body 64, overhang insulation 62 are installed on the end face of stator core 61, and coil windings 63 are winding and installed in
On overhang insulation 62, plastic-sealed body 64 links stator core 61, overhang insulation 62 and coil windings 63 integrally, its feature exists
In：The stator core 61 is the stator core described in embodiment one or embodiment two.
Coil windings 63 described above include first coil winding 631 and second coil winding 632, first coil winding
631 are wound in the first line embedding groove 42, and second coil winding 632 is wound in the second line embedding groove 41, and overhang insulation 62 is in left curved tooth 32
Convex block 621 is protruding with axial both ends on right curved tooth 34, convex block 621 is pressed in the top of first coil winding 631.
Plastic packaging stator described in the present embodiment, by being improved to the structure of stator core 61, coil windings when making production
Installation be more convenient, improve work efficiency and qualification rate.
Example IV：
As shown in Figure 8, Figure 9, provided in this embodiment is a kind of external rotor electric machine, including shaft 7, outer rotor 8 and plastic packaging
Stator 6, outer rotor 8 are sheathed on the outside of plastic packaging stator 6, and shaft 7 is installed among plastic packaging stator 6 and is connected to outer rotor 8
Together, it is characterised in that：The plastic packaging stator 6 is the plastic packaging stator described in embodiment three.External rotor electric machine described in the present embodiment,
Production efficiency is high, and performance is good.
Above example is better embodiment of the invention, but the implementation of the present invention is not limited to this, other are any
Without departing from the present invention Spirit Essence with made under principle change, modification, replacement, combine, simplification, be equivalent displacement side
Formula, is included within protection scope of the present invention.
Claims (10)
1. a kind of stator core, including ring-shaped yoke portion (1) and from ring-shaped yoke portion (1) outer ledge toward some first overhang
Alternately circumferential array, the second teeth portion (3) include public for teeth portion (2) and the second teeth portion (3), the first teeth portion (2) and the second teeth portion (3)
It is root portion (31), curved toward the left curved tooth (32), at least one second straight-tooth (33) and the right side that overhang from public root portion (31)
Tooth (34), between left curved tooth (32) and the second straight-tooth (33), between two neighboring second straight-tooth (33), the second straight-tooth (33) and the right side
The second line embedding groove (42) is formed between curved tooth (34), the first line embedding groove is formed between the first teeth portion (2) and the second teeth portion (3)
(41), it is characterised in that：First teeth portion (2) is split as at the top of the first root (21) and first (22) from middle part, described first
Portion (21) and the first top (22) cooperating together by the first card slot (211) and the first fixture block (221).
A kind of 2. stator core according to claim 1, it is characterised in that：First card slot (211) is dovetail groove or T
Shape groove.
A kind of 3. stator core according to claim 2, it is characterised in that：Second straight-tooth (33) is split as from middle part
Second root (331) and the second top (332), second root (331) and the second top (332) pass through the second card slot
(333) cooperate together with the second fixture block (334).
A kind of 4. stator core according to claim 3, it is characterised in that：Second card slot (333) is dovetail groove or T
Shape groove.
A kind of 5. stator core as claimed in any of claims 1 to 4, it is characterised in that：First top
(22), it is tangent with a tangent circle (101) at the top of the second top (332), left curved tooth (32) top and right curved tooth (34).
A kind of 6. stator core according to claim 5, it is characterised in that：First teeth portion (2) includes at least one
Directly formed between past the first straight-tooth (20) overhang of ring-shaped yoke portion (1) outer ledge, two neighboring first straight-tooth (20)
3rd line embedding groove (43), each first straight-tooth (20) include the first root (21) and the first top (22).
A kind of 7. stator core according to claim 6, it is characterised in that：One first teeth portion (2) includes one
Or two or three first straight-tooth (20).
8. a kind of plastic packaging stator, including stator core (61), overhang insulation (62), coil windings (63) and plastic-sealed body (64), end
Portion's insulation (62) is installed on the end face of stator core (61), and coil windings (63) are winding and installed on overhang insulation (62), modeling
Body (64) is sealed to link integrally stator core (61), overhang insulation (62) and coil windings (63), it is characterised in that：Described
Stator core (61) is the stator core described in any one in claim 1 to 7.
A kind of 9. plastic packaging stator according to claim 8, it is characterised in that：The coil windings (63) include first coil
Winding (631) and second coil winding (632), first coil winding (631) are wound in the first line embedding groove (42), the second coil around
Group (632) is wound in the second line embedding groove (41), and overhang insulation (62) is convex in axial both ends on left curved tooth (32) and right curved tooth (34)
Go out to have convex block (621), convex block (621) is pressed at the top of first coil winding (631).
10. a kind of external rotor electric machine, including shaft (7), outer rotor (8) and plastic packaging stator (6), outer rotor (8) are sheathed on plastic packaging
Outside stator (6), shaft (7) is installed among plastic packaging stator (6) and links together with outer rotor (8), it is characterised in that：
The plastic packaging stator (6) is the plastic packaging stator described in claim 8 or 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721351906.3U CN207339441U (en) | 2017-10-19 | 2017-10-19 | A kind of stator core and its plastic packaging stator of application, external rotor electric machine |
| PCT/CN2018/074395 WO2019007040A1 (en) | 2017-07-04 | 2018-01-28 | External rotor electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721351906.3U CN207339441U (en) | 2017-10-19 | 2017-10-19 | A kind of stator core and its plastic packaging stator of application, external rotor electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207339441U true CN207339441U (en) | 2018-05-08 |
Family
ID=62365892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721351906.3U Active CN207339441U (en) | 2017-07-04 | 2017-10-19 | A kind of stator core and its plastic packaging stator of application, external rotor electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207339441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115566820A (en) * | 2022-11-03 | 2023-01-03 | 山东欧瑞安电气有限公司 | Permanent magnet roller stator core and winding inserting method thereof |
-
2017
- 2017-10-19 CN CN201721351906.3U patent/CN207339441U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115566820A (en) * | 2022-11-03 | 2023-01-03 | 山东欧瑞安电气有限公司 | Permanent magnet roller stator core and winding inserting method thereof |
| CN115566820B (en) * | 2022-11-03 | 2023-08-08 | 山东欧瑞安电气有限公司 | Permanent magnet roller stator core and winding offline method of stator core |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107979258A (en) | A kind of permanent-magnet brushless DC electric machine closed slot stator and its coil-inserting method | |
| CN207339441U (en) | A kind of stator core and its plastic packaging stator of application, external rotor electric machine | |
| CN109904963A (en) | A kind of flat wire motor stator | |
| CN114243961A (en) | Stator assembly with same groove layer and multiple lines and flat wire motor | |
| TW201421859A (en) | Stator and bobbin mechanism for switched reluctance motor | |
| CN105896782A (en) | Radial Gap-Type Motor And Winding Arrangement Method Therefor | |
| CN208638125U (en) | A kind of DC. brushless electric machine stator and its DC brushless motor of application | |
| CN106936233B (en) | Stator module and external rotor motor | |
| CN203942342U (en) | The stator core of a kind of stator punching and application thereof and motor | |
| CN205911843U (en) | Sections core is cut apart with tooth to end terminal body | |
| JP2015111975A (en) | Stator of dynamo-electric machine, and method of manufacturing stator of dynamo-electric machine | |
| CN205453322U (en) | Stator is towards piece, stator module and external rotor electric machine | |
| CN209134264U (en) | A kind of battery-operated motor cycle permanent-magnet synchronous driving motor | |
| CN207504651U (en) | A kind of novel injection molding stator and its external rotor electric machine of application | |
| CN108696029B (en) | Fixing structure and binding process for stator winding end part of low-speed high-torque permanent magnet direct-drive motor | |
| CN101459353B (en) | Stator iron core construction for outer rotor permanent magnet motor and stator winding contra-wound method | |
| CN203774893U (en) | Motor stator punching sheet | |
| CN204205738U (en) | Split type stator structure | |
| CN105634173B (en) | The stator and motor compressor of electric rotating machine | |
| CN108768032A (en) | Stator Windings of AC Motor and end coupling method | |
| CN110138112A (en) | Improve the motor of cogging torque stability | |
| CN204103613U (en) | There is the motor of assembled stator | |
| CN207184179U (en) | A kind of stator punching and its stator module and external rotor electric machine of application | |
| CN215498451U (en) | Generator stator | |
| CN204886478U (en) | Rotatory motor stator assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |