CN109038873A - Stator core, stator and manufacturing method thereof, motor and household appliance - Google Patents
Stator core, stator and manufacturing method thereof, motor and household appliance Download PDFInfo
- Publication number
- CN109038873A CN109038873A CN201811116053.4A CN201811116053A CN109038873A CN 109038873 A CN109038873 A CN 109038873A CN 201811116053 A CN201811116053 A CN 201811116053A CN 109038873 A CN109038873 A CN 109038873A
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- Prior art keywords
- stator core
- yoke portion
- stator
- yoke
- splicing module
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000009413 insulation Methods 0.000 claims description 48
- 238000004804 winding Methods 0.000 claims description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 238000002360 preparation method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 241000397426 Centroberyx lineatus Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 238000005406 washing 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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention provides a stator core, a stator, a manufacturing method of the stator, a motor and a household appliance. The stator core comprises a first splicing module and a second splicing module which are detachably connected, and the tooth part comprises a first tooth part and a second tooth part. The first splicing module comprises a yoke portion and a first tooth portion, and an axial limiting portion is arranged on a first side wall, away from the yoke portion, of the first tooth portion. The second concatenation module includes boots portion and second tooth portion, is provided with cooperation portion on the second lateral wall that the boots portion were kept away from to second tooth portion, and first lateral wall adjoins with the second lateral wall, and one in spacing portion of axial and the cooperation portion is the constant head tank, and another is the cooperation arch, and the cooperation is protruding to be pegged graft in the constant head tank, and first concatenation module splices the module with the second along the radial concatenation of yoke portion. The axial direction limiting portion is shorter than the yoke portion in length along the axial direction parallel to the yoke portion. The stator core is simple in structure, convenient to assemble and accurate in positioning.
Description
Technical field
The present invention relates to motor fields, specifically, being to be related to a kind of stator core, stator and preparation method thereof, motor
And household electrical appliance.
Background technique
The yoke portion of the stator of existing motor and teeth portion are usually one, and stator winding coil is wound on stator core
When, equipment realization multiply is simultaneously more difficult around wire embeding ways, while motor also tends to be unable to reach higher copper factor, leads to motor
Can be lower, the finished product coiling distribution made is more random, and structure is not compact, influences quality of finished.
The stator of existing motor also has a detachable structure of teeth portion and yoke portion, but the teeth portion of existing stator and yoke portion
Between generally by swallow-tail form protrusion and dovetail groove cooperation realize splicing.This structure is caused in mutual splicing, can only will be each
Teeth portion from top to bottom or from bottom to up be longitudinally inserted into yoke portion, and be to keep splicing smooth while avoiding between teeth portion and yoke portion
Friction, generally use the mode of clearance fit in splicing, and the presence in gap, will lead to spliced iron core becomes pine
It dissipates, is difficult to ensure its circularity, this allows for motor in the running, generates noise and vibration, influences the service life of motor.Separately
Outside, the presence in gap also adds the effective clearance between stator and rotor, influences motor performance.In addition, the insertion of vertical type
Connecting method is easy so that the interface in teeth portion and yoke portion deforms, and meeting further influences the circularity of iron core after splicing, influences motor
Performance.
Summary of the invention
The first object of the present invention is to provide that a kind of structure is simple, easy to assembly, registration, and also ensures circularity
Stator core.
The second object of the present invention is to provide a kind of stator with said stator iron core.
The production method that the third object of the present invention is to provide a kind of said stator.
The fourth object of the present invention is to provide a kind of motor with said stator iron core.
The fifth object of the present invention is to provide a kind of household electrical appliance with above-mentioned motor.
To realize that above-mentioned first purpose, the present invention provide a kind of stator core, including yoke portion, multiple teeth portion and multiple boots
Portion, yoke portion is annular in shape, and circumferentially along yoke portion, teeth portion is along the radial peripheral wall from yoke portion in yoke portion to remote for multiple teeth portion
Direction from the peripheral wall extends, and a boots portion is corresponding with a teeth portion, and a boots portion is arranged in teeth portion corresponding with the boots portion
One end far from yoke portion.Stator core includes the first splicing module and the second splicing module, and the first splicing module is spliced with second
Module is detachably connected.Teeth portion includes the first teeth portion and the second teeth portion being sequentially arranged along the radial direction in yoke portion, the first splicing
Module includes yoke portion and the first teeth portion, and the first teeth portion is provided with axial limiting portion on the first side wall far from yoke portion.Second splicing
Module includes boots portion and the second teeth portion, and the second teeth portion is provided with auxiliary section, the first side wall and in the second sidewall far from boots portion
Two adjacent sidewalls, one in axial limiting portion and auxiliary section is locating slot, and axial limiting portion is with another in auxiliary section
Fitting projection, fitting projection, which is plugged in locating slot, connects the first teeth portion with the second teeth portion, and the first splicing module is spelled with second
Connection module splices along the radial direction in yoke portion.Along the axial direction for being parallel to yoke portion, the length in axial limiting portion is less than the length in yoke portion.
By above scheme as it can be seen that can be provided with since the first splicing module and the second splicing module are detachably connected
After assembling winding coil in the splicing module of teeth portion, then each splicing module spliced, improves motor copper factor, be conducive to mention
The working performance of high motor.In addition, the first splicing module and the second splicing module are spliced along the radial direction in yoke portion, it is simple and convenient,
Without upper and lower grafting, stator core construction will not be worn, at the same without for keep splicing smooth and avoid teeth portion and yoke portion it
Between friction, in the local preset clearance that the first splicing module is engaged with the second splicing module, therefore, the circularity energy of stator core
It is enough to guarantee, to guarantee the working performance of motor, prolong the service life.In addition, the length of locating slot is less than the length in yoke portion, this
Sample, fitting projection, which is inserted into after locating slot, can play the role of axially position, realize the first splicing module and the second splicing mould
The axially position of block, to guarantee the performance of stator core after split.
One Preferable scheme is that, locating slot has in the axial direction for being parallel to yoke portion there are two limited wall, and fitting projection hangs down
Axial two side walls directly in yoke portion are adjacent with two limited walls respectively.
It can be seen that the displacement in both ends limitation fitting projection in the axial direction for being parallel to yoke portion respectively of two limited walls,
To the relative displacement of limitation the first splicing module and the second splicing module in yoke portion axial direction.
Further embodiment is that axial limiting portion is located at the first teeth portion at the middle part being parallel in yoke portion axial direction.
It can be seen that fitting projection and locating slot cooperation realize that the axial direction of the first splicing module and the second splicing module is fixed
Position, to guarantee the performance of stator core after split.In addition, axial limiting portion is located at the first teeth portion on being parallel to yoke portion axial direction
Middle part, convenient for laminating for core stamping, while preventing the first splicing module when engaging with the second splicing module due to splicing side
To not on and influence packaging efficiency.
One Preferable scheme is that, the quantity in axial limiting portion is two or more, and multiple axial limiting portions are in the first side wall
On arrange along being parallel to the axial of yoke portion.The quantity of auxiliary section is equal with the quantity in axial limiting portion, and auxiliary section with
One axial limiting portion is oppositely arranged.
One Preferable scheme is that, fitting projection includes positioning region and guide part, and positioning region is located at guide part and splicing mould
It is provided on block between the side wall of fitting projection.
Further embodiment is that guide part is triangle perpendicular to the axial cross section in yoke portion, and positioning region is perpendicular to yoke
The axial cross section in portion is rectangle.
It can be seen that the guide part of fitting projection play the guiding role, and is easy to implement in fitting projection and detent engagement
The engagement of fitting projection and locating slot keeps assembling simpler accurate.
Further embodiment is that guide part is arch or semicircle perpendicular to the axial cross section in yoke portion, and positioning region is hung down
Directly in the axial cross section in yoke portion be rectangle.
One Preferable scheme is that, the shape of fitting projection and the shape of locating slot are complementary.
It can be seen that guaranteeing that the outer profile of fitting projection and the Internal periphery of locating slot are complete after fitting projection is inserted into locating slot
Full matching.
One Preferable scheme is that, in the circumferential direction in boots portion, be provided with groove in the end walls in boots portion.
It can be seen that the setting of groove is the bond strength in order to increase stator entirety after injection molding, to guarantee motor
The stability of work.
One Preferable scheme is that, teeth portion is located on the internal perisporium in yoke portion.
It can be seen that the stator core is suitable for inner rotor motor.
One Preferable scheme is that, teeth portion is located on the periphery wall in yoke portion.
It can be seen that the stator core is suitable for external rotor electric machine.
To realize that above-mentioned second purpose, the present invention provide a kind of stator, including stator core, insulation framework and winding wire
Circle, insulation framework are coated on the outside of stator core, and winding coil is wrapped in insulation framework, and stator core is above-mentioned stator
Iron core.
Further embodiment is, insulation framework includes interior plate, outer panel and winding section, winding section be connected to interior plate and
Between outer panel, winding section and interior plate, outer panel form winding slot, offer installation through-hole, installation through-hole in insulation framework
Outer panel, winding section and interior plate are sequentially passed through, insulation framework is set in teeth portion by installation through-hole, and outer panel and yoke portion are adjacent
It connects, interior plate and boots portion are adjacent.
To realize that above-mentioned third purpose, the present invention provide a kind of production method of stator, stator includes stator core, insulation
Skeleton and winding coil, insulation framework are coated on the outside of stator core, and winding coil is wrapped in insulation framework, stator core
For above-mentioned stator core.The production method of stator includes the following steps: for winding coil to be wrapped in insulation framework；It will insulation
Skeleton is set in teeth portion；First splicing module and the second splicing module are spliced along the radial direction in yoke portion, fitting projection grafting
In locating slot, fitting projection cooperates the first splicing module of limitation and phase of second splicing module in yoke portion axial direction with locating slot
To displacement；Stator core, insulation framework and winding coil are moulded in inside plastic casing.
To realize that above-mentioned 4th purpose, the present invention provide a kind of motor, including stator and rotor, stator includes stator iron
Core, insulation framework and winding coil, insulation framework are coated on the outside of stator core, and winding coil is wrapped in insulation framework,
Stator core is above-mentioned stator core.
To realize that above-mentioned 5th purpose, the present invention provide a kind of household electrical appliance, household electrical appliance include above-mentioned motor.
Detailed description of the invention
Fig. 1 is the structure chart before stator first embodiment plastic packaging of the present invention.
Fig. 2 is the structural exploded view of stator first embodiment first angle of the present invention.
Fig. 3 is the structural exploded view of stator first embodiment second angle of the present invention.
Fig. 4 is the partial enlarged view after stator first embodiment of the present invention is decomposed.
Fig. 5 is the structure chart of the first splicing module in stator first embodiment of the present invention.
Fig. 6 is the structure chart of the second splicing module first angle in stator first embodiment of the present invention.
Fig. 7 is the structure chart of the second splicing module second angle in stator first embodiment of the present invention.
Fig. 8 is the structural exploded view of stator second embodiment first angle of the present invention.
Fig. 9 is the structural exploded view of stator second embodiment second angle of the present invention.
Figure 10 is the partial enlarged view after stator second embodiment of the present invention is decomposed.
Figure 11 is the structural exploded view of stator 3rd embodiment of the present invention.
Figure 12 is the structure chart of the first splicing module in stator 3rd embodiment of the present invention.
Figure 13 is the partial enlarged view in Figure 12 at A.
Figure 14 is the structure chart of the second splicing module in stator 3rd embodiment of the present invention.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific embodiment
Stator core, stator and preparation method thereof first embodiment
Referring to Fig. 1 to Fig. 3, the stator of the present embodiment includes stator core 1, insulation framework 2 and winding coil.Insulation framework 2 is wrapped
The outside of stator core 1 is overlayed on, winding coil is wrapped in insulation framework 2.
Stator core 1 includes yoke portion 11, multiple teeth portion 12 and multiple boots portions 13, and yoke portion 11 is annular in shape, multiple teeth portion 12
Circumferentially along yoke portion 11, teeth portion 12 is along the radial direction in yoke portion 11 from the internal perisporium in yoke portion 11 to the side far from the internal perisporium
Extend to extension, namely to the axis direction in yoke portion 11, a boots portion 11 is corresponding with a teeth portion 12, and a setting of boots portion 13 exists
Far from the one end in yoke portion 11 in corresponding teeth portion 12, circle and the concyclic heart in yoke portion 13 that multiple boots portions 13 surround.The stator is suitable
For inner rotor motor.
Stator core 1 is spliced by two splicing modules, and boots portion 13 and yoke portion 11 are located in two splicing modules,
Multiple splicing modules include the first splicing module and the second splicing module, and the first splicing module and the second splicing module are removably
Connection.It is provided with axial limiting portion in first splicing module, is provided with auxiliary section in the second splicing module, axial limiting portion and matches
One in conjunction portion is locating slot 121, another in axial limiting portion and auxiliary section is fitting projection 131, fitting projection 131
It is plugged in locating slot 121, the first splicing module and the second splicing module are spliced along the radial direction in yoke portion 11.The present embodiment axis
It is locating slot 121 to limiting section, auxiliary section is fitting projection 131, along the axial direction for being parallel to yoke portion 11, the length of locating slot 121
Spend the length L2 that L1 is less than yoke portion 11.
Referring to fig. 4 and Fig. 5, the first splicing module include yoke portion 11 and teeth portion 12, and the second splicing module includes boots portion 13, is matched
It closes protrusion 131 and boots portion 13 is set towards on the side wall 130 of teeth portion 12, teeth portion 12 is arranged in far from yoke portion 11 in locating slot 121
On side wall 120, side wall 120 and side wall 130 are adjacent.Locating slot 121 has in the axial direction for being parallel to yoke portion 11 there are two limited wall
1211, fitting projection 131 is adjacent with two limited walls 1211 respectively perpendicular to the axial two side walls 1310 in yoke portion 11.It is preferred that
Ground, locating slot 121 are located at teeth portion 12 at the middle part being parallel in 13 axial direction of yoke portion.
Referring to fig. 4, Fig. 6 and Fig. 7, fitting projection 131 include positioning region 1311 and guide part 1312, and positioning region 1311 is located at
Between guide part 1312 and the side wall in yoke portion 13 130, guide part 1312 when fitting projection 131 is engaged with locating slot 121 from lead
To effect, it is easy to implement the engagement of fitting projection 131 Yu locating slot 121, keeps assembling simpler accurate.Guide part 1312 perpendicular to
The axial cross section in yoke portion 11 is triangle, and triangle is isosceles triangle, i.e. guide part 1312 splices mould towards first
Width W1, the W2 on two inclined-planes of block are equal.Positioning region 1311 is rectangle perpendicular to the axial cross section in yoke portion 11.Cooperate convex
Rise 131 shape it is complementary with the shape of locating slot 121.Guarantee that fitting projection 131 is inserted into fitting projection 131 after locating slot 121
Outer profile and locating slot 121 Internal periphery exactly match.
In the circumferential direction in boots portion 13, groove 132 is provided in the end walls in boots portion 13, the groove 132 is perpendicular to yoke portion
11 axial cross section is semicircle.In other embodiments, the shape of the cross section may be triangle or rectangle etc.
Other shapes.The main purpose that the groove 132 is arranged is the bond strength of increase stator entirety after injection molding, to guarantee motor work
The stability of work.
Fig. 1 and Fig. 2 are reviewed, insulation framework 2 includes interior plate 21, outer panel 22 and winding section 23, and winding section 23 is connected to
Between interior plate 21 and outer panel 22, winding section 23 and interior plate 21, outer panel 22 form winding slot 24, open in insulation framework 2
Show equipped with installation through-hole 25(Fig. 3), installation through-hole 25 sequentially passes through outer panel 22, winding section 23 and interior plate 21, insulation framework 2
It is set in teeth portion 12 by installation through-hole 25, outer panel 22 and yoke portion 11 are adjacent, and interior plate 21 and boots portion 13 are adjacent.
The production method of stator includes the following steps: that first, winding coil is wrapped in insulation framework 2.It then, will be exhausted
Edge skeleton 2 is set in the teeth portion 12 of the first splicing module.Then, by the first splicing module and the second splicing module along yoke portion
11 radial splicing, fitting projection 131 is inserted into locating slot 121, until the side wall 130 in yoke portion 13 and the side wall of teeth portion 12
120 contacts, stator core splicing are completed, and fitting projection 131 and the cooperation of locating slot 121 limit the first splicing module and the second splicing
Relative displacement of the module in 11 axial direction of yoke portion.Finally, stator core 1, insulation framework 2 and winding coil integrated injection molding are being moulded
Expect enclosure interior.
In addition, teeth portion can also be located on the periphery wall in yoke portion, and be evenly arranged on periphery wall along the circumferential of yoke portion,
And direction extension of the teeth portion along the radial periphery wall from yoke portion in yoke portion to the separate periphery wall, namely the axis to separate yoke portion
Line direction extends, and the stator with the stator core is suitable for external rotor electric machine.In addition, locating slot also can be set in boots portion
On, corresponding, fitting projection is arranged in teeth portion at position corresponding with locating slot.In addition, the quantity in axial limiting portion
Or two or more, along being parallel to yoke portion on the first side wall of axis of multiple axial limiting portions in teeth portion towards yoke portion
Axial arrangement, and the quantity of auxiliary section is equal with the quantity in axial limiting portion, an auxiliary section and an axial limiting portion
It is oppositely arranged.In addition, guide part may be arch or semicircle etc. perpendicular to the axial cross section in yoke portion, positioning region is vertical
In the axial cross section in yoke portion be rectangle.
Stator core, stator and preparation method thereof second embodiment
As the explanation of stator core second embodiment of the present invention, below only to the difference with said stator iron core first embodiment
Place is explained.Stator and preparation method thereof second embodiment is stator and its production with stator core second embodiment
Method.
Referring to Fig. 8 to Figure 10, in the present embodiment, teeth portion includes the first teeth portion being sequentially arranged along the radial direction in yoke portion 31
321 and second teeth portion 322, the first splicing module include yoke portion 31 and the first teeth portion 321, axial limiting portion is arranged in the first teeth portion
On 321 side walls 3210 far from yoke portion 31, the second splicing module includes boots portion 33 and the second teeth portion 322, and auxiliary section setting is the
Two teeth portion 322 are far from the side wall 3220 in boots portion 33, and axial limiting section is locating slot 3211 in the present embodiment, and auxiliary section is cooperation
Protrusion 3221, fitting projection 3221 is inserted into locating slot 3211 and connect the first teeth portion 321 with the second teeth portion 322, and locating slot
3211 are located at the first teeth portion 321 at the middle part being parallel in 31 axial direction of yoke portion, and side wall 3210 and side wall 3220 are adjacent.
Teeth portion is divided into two parts in the present embodiment, and a part is integrally formed with yoke portion 31,33 one of another part and boots portion
Molding, 6 sets of insulation framework that wind winding coil is connected in the first teeth portion 321 of the first splicing module, fitting projection 3221
Second teeth portion 322 is installed in the first teeth portion 321 after corresponding with locating slot 3211, completes the splicing of stator core.
Stator core, stator and preparation method thereof 3rd embodiment
As the explanation of stator core 3rd embodiment of the present invention, below only to the difference with said stator iron core first embodiment
Place is explained.Stator and preparation method thereof 3rd embodiment is stator and its production with stator core 3rd embodiment
Method.
Referring to Figure 11 to Figure 14, the first splicing module includes yoke portion 41, and the internal perisporium in yoke portion 41 is arranged in axial limiting portion
On, the second splicing module includes teeth portion 42 and boots portion 43, and teeth portion is arranged in far from the side wall 420 in boots portion in auxiliary section, this implementation
Axial limiting section is locating slot 3211 in example, and auxiliary section is fitting projection 3221, and locating slot 411 is located at yoke portion 41 and is being parallel to
Middle part in 43 axial direction of yoke portion, the side wall 420 of teeth portion 42 and the internal perisporium in yoke portion 41 are adjacent.In addition, in yoke portion in the present embodiment
It is opened up at the locating slot 411 on 41 internal perisporium there are two limiting slot 412, limiting slot 412 and locating slot 411 are along being parallel to
The axial direction in yoke portion 43 is sequentially arranged, and locating slot 411 is located between two limiting slots 412, and two limiting slots 412 are respectively along flat
The two sides of axial direction self-positioning slot 411 of the row in yoke portion 41 extend out to the end walls in yoke portion 41.Teeth portion 42 is far from yoke portion 41
End is inserted into limiting slot 412, and the side wall 420 of teeth portion 42 and the bottom wall 4120 of limiting slot 412 are adjacent.
In the present embodiment, the production method of stator includes the following steps: firstly, insulation framework 5 is socketed in teeth portion 42.
Then, winding coil is wrapped in insulation framework 5.Then, by the first splicing module and the second splicing module along yoke portion 41
Radial splicing, fitting projection 421 is inserted into locating slot 411, until the side wall 420 of teeth portion 42 and the bottom wall of limiting slot 412
4120 contacts, stator core splicing are completed.Finally, by stator core 1, insulation framework 2 and winding coil integrated injection molding in plastics
Enclosure interior.Teeth portion 42 is located inside insulation framework 5 when due to coiling, and in winding process, teeth portion 42 can be in insulation framework 5
Inside plays a supportive role, and prevents coiling pulling force from damaging to insulation framework 5.
Motor embodiment
The motor of the present embodiment includes stator and rotor, and stator includes stator core, insulation framework and winding coil, insulation framework
It is coated on the outside of stator core, winding coil is wrapped in insulation framework, and stator core is the stator in the various embodiments described above
Iron core.When teeth portion is arranged on the internal perisporium in yoke portion, motor is inner rotor motor；When teeth portion is arranged on the periphery wall in yoke portion
When, motor is external rotor electric machine.
Household electrical appliance embodiment
The household electrical appliance of the present embodiment include the motor in motor embodiment, and household electrical appliance can be washing machine etc..
Therefore since the first splicing module and the second splicing module are detachably connected, teeth portion can be provided with
After assembling winding coil in splicing module, then each splicing module spliced, improve motor copper factor, is conducive to improve motor
Working performance.In addition, the first splicing module and the second splicing module are spliced along the radial direction in yoke portion, and it is simple and convenient, without upper
Lower grafting will not wear stator core construction, while without being to keep splicing smooth while avoiding between teeth portion and yoke portion
Friction, in the local preset clearance that the first splicing module is engaged with the second splicing module, therefore, the circularity of stator core can be protected
Card, to guarantee the working performance of motor, prolongs the service life.In addition, the length of locating slot is less than the length in yoke portion, in this way,
Fitting projection, which is inserted into after locating slot, can play the role of axially position, realize the first splicing module and the second splicing module
Axially position, to guarantee the performance of stator core after split.
Finally, it should be noted that the present invention is not limited to above-mentioned embodiment, if those skilled in the art
It is enlightened by it, without departing from the spirit of the invention, is not inventively designed similar with the technical solution
Frame mode and embodiment should all be fallen within claims of the invention.
Claims (16)
1. stator core, including yoke portion, multiple teeth portion and multiple boots portions, the yoke portion is annular in shape, multiple teeth portion along
Circumferentially, the teeth portion is along the radial direction in the yoke portion from the peripheral wall in the yoke portion to the side far from the peripheral wall in the yoke portion
To extension, a boots portion is corresponding with a teeth portion, and a boots portion is arranged in the tooth corresponding with the boots portion
Far from the one end in the yoke portion in portion；
It is characterized by:
The stator core includes the first splicing module and the second splicing module, and first splicing module and described second are spliced
Module is detachably connected, and the teeth portion includes the first teeth portion and the second teeth portion being sequentially arranged along the radial direction in the yoke portion；
First splicing module includes the yoke portion and first teeth portion, first teeth portion far from the yoke portion first
Axial limiting portion is provided on side wall；
Second splicing module includes the boots portion and second teeth portion, second teeth portion far from the boots portion second
Auxiliary section is provided on side wall, the first side wall and the second sidewall are adjacent, the axial limiting portion and the auxiliary section
In one be locating slot, another in the axial limiting portion and the auxiliary section is fitting projection, the fitting projection
It is plugged in the locating slot and connect first teeth portion with second teeth portion, first splicing module and described second
Splicing module is spliced along the radial direction in the yoke portion；
Along the axial direction for being parallel to the yoke portion, the length in the axial limiting portion is less than the length in the yoke portion.
2. stator core according to claim 1, it is characterised in that:
The locating slot has in the axial direction for being parallel to the yoke portion there are two limited wall, and the fitting projection is perpendicular to the yoke
The axial two side walls in portion are adjacent with two limited walls respectively.
3. stator core according to claim 2, it is characterised in that:
The axial limiting portion is located at first teeth portion at the middle part being parallel in yoke portion axial direction.
4. stator core according to any one of claims 1 to 3, it is characterised in that:
The quantity in the axial limiting portion is two or more, and multiple axial limiting portions are on the first side wall along parallel
Axial direction arrangement in the yoke portion；
The quantity of the auxiliary section is equal with the quantity in the axial limiting portion, and an auxiliary section and an axial direction
Limiting section is oppositely arranged.
5. stator core according to any one of claims 1 to 3, it is characterised in that:
The fitting projection includes positioning region and guide part, and the positioning region is located at the guide part and to be provided with the cooperation convex
Between the side wall risen.
6. stator core according to claim 5, it is characterised in that:
The guide part is triangle perpendicular to the axial cross section in the yoke portion, and the positioning region is perpendicular to the yoke portion
Axial cross section is rectangle.
7. stator core according to claim 5, it is characterised in that:
The guide part is arch or semicircle perpendicular to the axial cross section in the yoke portion, and the positioning region is perpendicular to described
The axial cross section in yoke portion is rectangle.
8. stator core according to any one of claims 1 to 3, it is characterised in that:
The shape of the fitting projection is complementary with the shape of the locating slot.
9. stator core according to any one of claims 1 to 3, it is characterised in that:
In the circumferential direction in the boots portion, groove is provided in the end walls in the boots portion.
10. stator core according to any one of claims 1 to 3, it is characterised in that:
The teeth portion is located on the internal perisporium in the yoke portion.
11. stator core according to any one of claims 1 to 3, it is characterised in that:
The teeth portion is located on the periphery wall in the yoke portion.
12. stator, including stator core, insulation framework and winding coil, the insulation framework are coated on the stator core
Outside, the winding coil are wrapped in the insulation framework, which is characterized in that the stator core is claim 1 to 11
Any one stator core.
13. stator according to claim 12, it is characterised in that:
The insulation framework includes interior plate, outer panel and winding section, and the winding section is connected to the interior plate and described outer
Between side plate, the winding section and the interior plate, the outer panel form winding slot, offer installation in the insulation framework
Through-hole, the installation through-hole sequentially pass through the outer panel, the winding section and the interior plate, and the insulation framework passes through institute
It states installation through-hole to be set in the teeth portion, the outer panel and the yoke portion are adjacent, and the interior plate and the boots portion are adjacent.
14. the production method of stator, the stator includes stator core, insulation framework and winding coil, the insulation framework packet
The outside of the stator core is overlayed on, the winding coil is wrapped in the insulation framework, which is characterized in that the stator iron
Core is any one of claim 1 to 11 stator core；The production method of the stator includes the following steps:
The winding coil is wrapped in the insulation framework；
The insulation framework is set in first teeth portion；
First splicing module and second splicing module are spliced along the radial direction in the yoke portion, the fitting projection is inserted
It connects in the locating slot, the fitting projection and locating slot cooperation limit first splicing module and described second and spell
Relative displacement of the connection module in the axial direction in the yoke portion；
The stator core, the insulation framework and the winding coil are moulded in inside plastic casing.
15. motor, including stator and rotor, the stator includes stator core, insulation framework and winding coil, the insulation bone
Frame is coated on the outside of the stator core, and the winding coil is wrapped in the insulation framework, which is characterized in that described fixed
Sub- iron core is any one of claim 1 to 11 stator core.
16. household electrical appliance, which is characterized in that the household electrical appliance include motor described in claim 15.
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| CN201811116053.4A CN109038873A (en) | 2018-09-25 | 2018-09-25 | Stator core, stator and manufacturing method thereof, motor and household appliance |
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| CN201811116053.4A CN109038873A (en) | 2018-09-25 | 2018-09-25 | Stator core, stator and manufacturing method thereof, motor and household appliance |
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| CN109038873A true CN109038873A (en) | 2018-12-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113178965A (en) * | 2021-05-12 | 2021-07-27 | 安徽乐普电机有限公司 | Inner stator of brushless direct current motor and production method thereof |
| CN113206562A (en) * | 2021-06-18 | 2021-08-03 | 国华(青岛)智能装备有限公司 | Deformable synchronous motor stator |
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| CN103280903A (en) * | 2013-05-17 | 2013-09-04 | 曹宇轩 | Structure of motor stator core and cooling method for motor stator based on structure of motor stator core |
| CN204538831U (en) * | 2015-04-22 | 2015-08-05 | 广东威灵电机制造有限公司 | Prefabricated stator punching and stator punching, stator and the motor with it |
| CN105071561A (en) * | 2015-08-19 | 2015-11-18 | 广东美芝制冷设备有限公司 | Stator assembly, compressor therewith, and preparation method for stator assembly |
| CN108377042A (en) * | 2018-04-15 | 2018-08-07 | 大连碧蓝节能环保科技有限公司 | Pole piece spacing coiling combined-stator |
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| CN103280903A (en) * | 2013-05-17 | 2013-09-04 | 曹宇轩 | Structure of motor stator core and cooling method for motor stator based on structure of motor stator core |
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| CN113178965A (en) * | 2021-05-12 | 2021-07-27 | 安徽乐普电机有限公司 | Inner stator of brushless direct current motor and production method thereof |
| CN113178965B (en) * | 2021-05-12 | 2023-07-21 | 安徽乐普电机有限公司 | DC brushless motor inner stator and production method thereof |
| CN113206562A (en) * | 2021-06-18 | 2021-08-03 | 国华(青岛)智能装备有限公司 | Deformable synchronous motor stator |
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