CN207884368U - Stator core includes the stator of the stator core - Google Patents
Stator core includes the stator of the stator core Download PDFInfo
- Publication number
- CN207884368U CN207884368U CN201721920502.1U CN201721920502U CN207884368U CN 207884368 U CN207884368 U CN 207884368U CN 201721920502 U CN201721920502 U CN 201721920502U CN 207884368 U CN207884368 U CN 207884368U
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- stator
- splicing
- stator core
- iron core
- teeth portion
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses a kind of stator core including the stator of the stator core, stator core include：Several iron core units, by several iron core units, along it, circumferentially splicing encloses stator core；Each iron core unit includes：Yoke portion and the teeth portion extended to the axle center of stator core in yoke portion；The splicing groove for being equipped with the splicing protrusion for splicing in yoke portion and matching in splicing protrusion；It is equal inside and outside teeth portion width, form open slot stator structure after splicing with other iron core units.The utility model is simple in structure, at low cost, efficient convenient for being installed with winding assembly, can effectively realize automated production.
Description
Technical field
The utility model is related to motor fields, and in particular to stator core including the stator core in a kind of motor
Stator.
Background technology
The structure of existing DC brushless motor for vacuum cleaner, as shown in Figure 1 comprising：Fan housing, movable vane wheel, determine impeller,
Drive end bearing bracket, stator and rotor.Wherein, the driving unit that stator and rotor are constituted is the core of DC brushless motor for vacuum cleaner
Part.
As shown in Fig. 2, current motor stator mostly uses greatly the design of semi-closed slot, and by the way of being integrally punched,
It has the following problems：
1) for stator core by the way of being integrally punched, stock utilization is low.
2) since notch is relatively narrow, as shown in Fig. 2 endoporus, winding must directly be wound on stator iron by special coil winding machine
On the stator teeth of core, being limited by process conditions, enameled wire is difficult to marshalling, causes copper factor that can not improve, and around
Linear velocity is slow, and production efficiency is low.Wherein, m is line packet height in Fig. 3.
Moreover, special coil winding machine needs to make enamel-cover by toolings such as coiling nozzle, winding formers in coil-winding process
Line slides into stator tooth, is damaged to paint film, increases the risk of turn-to-turn short circuit.
3) since notch is relatively narrow, as shown in figure 4, after first winding coil according to wound cable winder, stator iron is embedded in by circle
The stator teeth of core, production efficiency is extremely low, and labor intensity is big, and line packet height is relatively high, has accounted for most of face in motor
Product causes motor overall volume to increase.Wherein, m is line packet height in Fig. 4.
Utility model content
In order to solve the above-mentioned technical problem, determine the utility model proposes a kind of stator core including the stator core
Son.
In order to achieve the above object, the technical solution of the utility model is as follows：
Stator core, including：Several iron core units, stator core by several iron core units, along it, circumferentially enclose by splicing
It closes；Each iron core unit includes：Yoke portion and the teeth portion extended to the axle center of stator core in yoke portion；It is set in yoke portion
The splicing groove for being useful for the splicing protrusion of splicing and matching in splicing protrusion；It is equal inside and outside teeth portion width, with other iron
Opening slot structure is formed after core unit splicing.
The utility model disclose it is a kind of have opening slot structure splice type stator core, it is simple in structure, be more convenient for
Winding assembly is installed, more efficient.
Based on the above technical solution, following improvement can also be done：
As a preferred option, yoke portion includes：Positioning region and the stitching section for being set to positioning region opposite sides；
Teeth portion is set on the inner wall of positioning region, and the outer wall of teeth portion outwardly protrudes, and be in arc-shaped, the center of positioning region with
The center of teeth portion is consistent；
Stitching section splicing protrusion and splicing groove are respectively arranged at the head of two stitching sections.
Using the above preferred scheme, the high mechanical strength in yoke portion, the installation for winding assembly of being more convenient for will not interfere
Phenomenon.(according to one-piece stator structure, though using open slot stator, winding assembly as interference and can not insertion tooth
Portion).Moreover, location hole can also be provided centrally in positioning region, be more convenient for that positioning is fixed to yoke portion, convenient for around
The installation of group component.
Using the above preferred scheme, it is easily installed winding assembly, automated production may be implemented.
As a preferred option, splicing protrusion is arc-shaped or dovetail shaped or rectangular-shaped.
Using the above preferred scheme, splice more secured.
As a preferred option, by three or four or more iron core units, along it, circumferentially splicing encloses stator core.
As a preferred option, splicing protrusion and splicing groove are using interference fit.
Using the above preferred scheme, spliced stator core is not required to weld or be spelled using other positioning/fixed structure
It connects more securely.
Stator includes：Stator core and the winding assembly for being sheathed on stator core teeth portion, winding assembly include：Insulate bone
Frame and the winding coil being wound in insulation framework.
The stator of the utility model, structure order, installation is more convenient, greatly improves production efficiency, reduces cost.
As a preferred option, insulation framework includes：Cricoid hollow member ontology and two flange, two flange point
It is not set to frame body with respect to two open sides, and radially extending to frame body, coil winding wound is in frame body.
Using the above preferred scheme, simple in structure, flange to coil windings to limit, be more convenient for coil winding machine carry out around
Line, winding displacement is closer neat, improves copper factor.
As a preferred option, frame body and flange are made of insulating materials.
Using the above preferred scheme, insulation framework has good insulation effect, both can be as the branch of winding coil
Element is supportted, and can be as the insulated spacers between winding coil and stator core.
Description of the drawings
Fig. 1 is the structural schematic diagram of DC brushless motor for vacuum cleaner in the prior art.
Fig. 2 is the structural schematic diagram of stator in the prior art.
Fig. 3 is to use previously prepared winding group in the direct winding method of special coil winding machine and the utility model in the prior art
The structural schematic diagram of the stator of part.
Fig. 4 is the structural schematic diagram of the stator using embedded winding technique mode in the prior art.
Fig. 5 is the structural schematic diagram for the iron core unit that the utility model embodiment provides.
Fig. 6 is the structural schematic diagram for the stator that the utility model embodiment provides.
Fig. 7 is the structural schematic diagram for the insulation framework that the utility model embodiment provides.
Fig. 8 is the structural schematic diagram for the winding assembly that the utility model embodiment provides.
Fig. 9 is the flow chart for the stator preparation method that the utility model embodiment provides.
Figure 10 is the splicing construction schematic diagram for the arc-shaped splicing protrusion that the utility model embodiment provides.
Figure 11 is the splicing construction schematic diagram for the dovetail shaped splicing protrusion that the utility model embodiment provides.
Wherein：1, iron core unit, 11, yoke portion, 111, positioning region, 112, stitching section, 12, teeth portion, 2, splicing protrusion, 3, spell
Connect groove, 4, location hole, 5, insulation framework, 51, frame body, 52, flange, 6, winding coil.
Specific implementation mode
The preferred embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings.
In order to reach the purpose of this utility model, wherein the one of the stator of open slot stator core including the stator core
In a little embodiments, open slot stator core includes：Three iron core units 1, stator core is by three iron core units 1 along its circumferential direction
Splicing encloses；As shown in figure 5, each iron core unit 1 includes：Yoke portion 11 and in yoke portion 11 to the axle center of stator core
The teeth portion 12 of extension；The splicing groove for being equipped with the splicing protrusion 2 for splicing in yoke portion 11 and matching in splicing protrusion 2
3；It is equal inside and outside 12 width of teeth portion, opening slot structure is formed after splicing with other iron core units.
Yoke portion 11 includes：Positioning region 111 and the stitching section 112 for being set to 111 opposite sides of positioning region；Teeth portion 12 is arranged
In on the inner wall of positioning region 111, the outer wall of teeth portion 12 outwardly protrudes, and is in arc-shaped, center and the teeth portion 12 of positioning region 111
Center is consistent；Stitching section splicing protrusion 2 and splicing groove 3 are respectively arranged at the head of two stitching sections 112.Using above-mentioned knot
Structure, the high mechanical strength in yoke portion 11, the installation for winding assembly of being more convenient for will not interfere phenomenon.It moreover, can also be
Positioning region 111 is provided centrally with location hole 7, is more convenient for that positioning is fixed to yoke portion 11, is convenient for the installation of winding assembly.
A kind of stator is also disclosed in the utility model, as shown in fig. 6, stator includes：Stator core and it is sheathed on stator iron
The winding assembly of core teeth portion 12, winding assembly include：Insulation framework 5 and the winding coil 6 being wound in insulation framework 5.
As shown in FIG. 7 and 8, insulation framework 5 includes：Cricoid hollow member ontology 51 and two flange 52, two are turned over
Side 52 is respectively arranged at frame body 51 with respect to two open sides, and radially extending to frame body 51, coil winding wound in
In frame body 51.
Frame body 51 and flange 52 are made of insulating materials, not only the support component as winding coil 6, but as around
Insulated spacers between group coil 6 and stator core.
Insulation framework 5 is simple in structure, and flange 52 is to coil windings to limit, and coil winding machine of being more convenient for carries out coiling, and winding displacement is more
It is close neat, improve copper factor.
Stator preparation method specifically includes following steps as shown in figure 9, being used to prepare stator：
1) prepare iron core unit 1 to be spliced；
2) winding coil 6 is wound in insulation framework 5 using up- coiler, prepare winding assembly；
3) winding assembly is sheathed in the teeth portion 12 of single iron core unit 1, and the flange 52 of insulation framework 5 and positioning region
The plane contact of 111 inner walls；
4) by several, along it, circumferentially splicing encloses stator to the iron core unit 1 with winding assembly.
The stator of a kind of stator core of the utility model including the stator core has the advantages that：
First, stator core uses spliced structure, stock utilization high.
Second, by three iron core units 1, along it, circumferentially splicing encloses stator core, and each iron core unit 1 accounts for 120
Degree, the more reasonable structure of three iron core units 1, the installation for winding assembly of being more convenient for.
Third, 5 clever structure of insulation framework carry out coil winding in the above using coil winding machine, and threading speed is reachable
3000rpm, winding displacement is neatly close, effectively improves copper factor, and few with the component of enameled wire generation Relative sliding, to greatest extent
Protect paint film injury-free.
4th, 12 width of teeth portion of stator core is equal, and open slot stator structure is formed after splicing with other iron core units,
Winding assembly is set to be directly sleeved in teeth portion 12, installation is more convenient.
5th, stator core uses the splicing structure of three iron core units 1, can winding assembly be inserted into teeth portion 12 in advance
On, then spliced again, substantially increases installation production efficiency.
6th, a kind of stator preparation method of the utility model can be easier to realize machinery under the premise of a small amount of fund input
Change fully-automatic production, effectively reduce labor intensity, reduces labour cost, meet production demand.
7th, stator structure disclosed by the utility model is compact, if being applied on motor, can greatly reduce motor
Size, and due to the copper factor of stator height, can effectively improve electric efficiency.
In order to further optimize the implementation result of the utility model stator core, in other embodiment,
Remaining feature technology is identical, the difference is that, as shown in FIG. 10 and 11, splicing protrusion 2 is arc-shaped or dovetail shaped or rectangular-shaped.
Using the above preferred scheme, it is spliced into interference fit, without welding or using other positioning/fixed structures,
Splicing is more secured.
For preferred embodiments of the present invention, it is noted that for those of ordinary skill in the art,
Under the premise of not departing from the concept of the present invention, various modifications and improvements can be made, it is new that these belong to this practicality
The protection domain of type.
Claims (8)
1. stator core, which is characterized in that including：Several iron core units, stator core pass through iron core unit described in several
Along it, circumferentially splicing encloses；
Each the iron core unit includes：Yoke portion and the teeth portion extended to the axle center of the stator core in the yoke portion；
The splicing groove for being equipped with the splicing protrusion for splicing in the yoke portion and matching with the splicing protrusion；
It is equal inside and outside the teeth portion width, form open slot stator structure after splicing with other iron core units.
2. stator core according to claim 1, which is characterized in that the yoke portion includes：Positioning region and it is set to institute
State the stitching section of positioning region opposite sides；
The teeth portion is set on the inner wall of the positioning region, and the outer wall of the teeth portion outwardly protrudes, and is in arc-shaped, described fixed
The center in position portion is consistent with the center of the teeth portion；
The splicing protrusion and the splicing groove are respectively arranged at the head of two stitching sections.
3. stator core according to claim 2, which is characterized in that the splicing protrusion is arc-shaped or dovetail shaped or square
Shape.
4. according to claim 1-3 any one of them stator cores, which is characterized in that the stator core is by three or four
Along it, circumferentially splicing encloses iron core unit described above.
5. stator core according to claim 4, which is characterized in that the splicing protrusion and splicing groove are matched using interference
It closes.
6. stator, which is characterized in that including：Stator core as described in any one in claim 1-5 and be sheathed on it is described fixed
The winding assembly of sub- iron core teeth portion, the winding assembly include：Insulation framework and the winding being wound in the insulation framework
Coil.
7. stator according to claim 6, which is characterized in that the insulation framework includes：Cricoid hollow member ontology
And two flange, two flange are respectively arranged at the frame body with respect to two open sides, and to the frame body
Radially extend, the coil winding wound is in the frame body.
8. stator according to claim 7, which is characterized in that the frame body and flange are made of insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920502.1U CN207884368U (en) | 2017-12-30 | 2017-12-30 | Stator core includes the stator of the stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920502.1U CN207884368U (en) | 2017-12-30 | 2017-12-30 | Stator core includes the stator of the stator core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207884368U true CN207884368U (en) | 2018-09-18 |
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ID=63505239
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721920502.1U Active CN207884368U (en) | 2017-12-30 | 2017-12-30 | Stator core includes the stator of the stator core |
Country Status (1)
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| CN (1) | CN207884368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995154A (en) * | 2017-12-30 | 2019-07-09 | 苏州工业园区泰格电子科技有限公司 | Stator core, stator including the stator core and preparation method thereof |
-
2017
- 2017-12-30 CN CN201721920502.1U patent/CN207884368U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995154A (en) * | 2017-12-30 | 2019-07-09 | 苏州工业园区泰格电子科技有限公司 | Stator core, stator including the stator core and preparation method thereof |
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