CN109120078A - Stator core, stator and preparation method thereof, motor and household electrical appliance - Google Patents
Stator core, stator and preparation method thereof, motor and household electrical appliance Download PDFInfo
- Publication number
- CN109120078A CN109120078A CN201811116107.7A CN201811116107A CN109120078A CN 109120078 A CN109120078 A CN 109120078A CN 201811116107 A CN201811116107 A CN 201811116107A CN 109120078 A CN109120078 A CN 109120078A
- Authority
- CN
- China
- Prior art keywords
- stator core
- yoke portion
- splicing module
- stator
- teeth portion
- 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.)
- Pending
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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
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/12—Machines characterised by the modularity of some components
Abstract
The present invention provides a kind of stator core, stator and preparation method thereof, motor and household electrical appliance, stator core includes yoke portion, multiple teeth portion and multiple boots portions, circumferentially along yoke portion, one end in teeth portion corresponding with the boots portion far from yoke portion is arranged in a boots portion to multiple teeth portion.Stator core is spliced by least two splicing modules, and boots portion and yoke portion are located therein respectively in two splicing modules, and multiple splicing modules include the first splicing module and the second splicing module, and the first splicing module and the second splicing module are detachably connected.One in first splicing module and the second splicing module is provided with locating slot, another in first splicing module and the second splicing module is provided with fitting projection, fitting projection is plugged in locating slot, and the first splicing module and the second splicing module are spliced along the radial direction in yoke portion.Along the axial direction for being parallel to yoke portion, the length of locating slot is less than the length in yoke portion.The structure of stator core is simple, easy to assembly and registration.
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 is spliced by least two splicing modules, and boots portion and yoke portion are located therein two respectively
In splicing module, multiple splicing modules include the first splicing module and the second splicing module, and the first splicing module is spliced with second
Module is detachably connected.One in first splicing module and the second splicing module is provided with locating slot, the first splicing module
Another in second splicing module is provided with fitting projection, fitting projection is plugged in locating slot, the first splicing module with
Second splicing module is spliced along the radial direction in yoke portion.Along the axial direction for being parallel to yoke portion, the length of locating slot is less than the length in yoke portion
Degree.
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, the first splicing module includes yoke portion and teeth portion, and the second splicing module includes boots portion, cooperation
Boots portion is arranged in towards on the first side wall of teeth portion in protrusion, and locating slot is located in the second sidewall of teeth portion, the first side wall and second
Adjacent sidewalls.
It can be seen that yoke portion and teeth portion can be integrally formed, the insulation framework set for winding winding coil is connected in teeth portion
Later, boots portion is installed to the splicing that stator core is completed in teeth portion by fitting projection after corresponding with locating slot.
One Preferable scheme is that, teeth portion includes the first teeth portion and the second teeth portion being sequentially arranged along the radial direction in yoke portion,
First splicing module includes yoke portion and the first teeth portion, and the second splicing module includes boots portion and the second teeth portion, and fitting projection insertion is fixed
The first teeth portion is connect with the second teeth portion in the slot of position, and fitting projection is located on the third side wall of the second teeth portion, locating slot is located at
On 4th side wall of the first teeth portion, third side wall and the 4th adjacent sidewalls.
It can be seen that teeth portion is segmented into two parts, a part is integrally formed with yoke portion, another part and boots portion one at
The insulation framework set for winding winding coil is connected in the first teeth portion of the first splicing module by type, fitting projection and locating slot pair
Should after the second teeth portion is installed in the first teeth portion, complete the splicing of stator core.
One Preferable scheme is that, the first splicing module includes yoke portion, and the second splicing module includes teeth portion and boots portion, cooperation
Protrusion is located at teeth portion on the 5th side wall in yoke portion, and locating slot is located on the peripheral wall in yoke portion, the peripheral wall of the 5th side wall and yoke portion
It is adjacent.
It can be seen that teeth portion and boots portion are integrally formed, the insulation framework set for winding winding coil is connected in teeth portion, then
Teeth portion is installed to the splicing that stator core is completed in yoke portion by fitting projection after corresponding with locating slot.Alternatively, it is also possible to first will
Winding coil is wound in insulation framework by insulation framework again after being first installed in teeth portion, in this way, teeth portion is located at absolutely when due to coiling
Edge skeletal internal, in winding process, teeth portion can play a supportive role in the inside of insulation framework, prevent coiling pulling force to insulation bone
Frame damages.
Further embodiment is to offer limiting slot on the peripheral wall in yoke portion at locating slot, and limit is inserted into the end of teeth portion
In the slot of position, the bottom wall of the 5th side wall and limiting slot is adjacent.
It can be seen that teeth portion further cooperates with limiting slot after fitting projection is in conjunction with locating slot, reinforce limit function.
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, fitting projection includes positioning region and guide part, and positioning region is located at guide part and is provided with
Between the side wall of fitting projection, guide part is triangle perpendicular to the axial cross section in yoke portion, and positioning region is perpendicular to yoke portion
Axial cross section 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.
One Preferable scheme is that, locating slot is located at the first splicing module 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, locating slot is located at the first splicing module 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 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, 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 the splicing module for being provided with teeth portion；First splicing module and the second splicing module are spelled along the radial direction in yoke portion
It connects, fitting projection is plugged in locating slot, and fitting projection and locating slot cooperation limit the first splicing module and the second splicing module
Relative displacement in yoke portion axial direction；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.One in first splicing module and the second splicing module is provided with locating slot 121, the first splicing module and the second splicing
Another in module is provided with fitting projection 131, and fitting projection 131 is plugged in locating slot 121, the first splicing module and the
Two splicing modules are spliced along the radial direction in yoke portion 11.Along the axial direction for being parallel to yoke portion 11, the length L1 of locating slot 121 is less than yoke
The length L2 in 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 of locating slot can also
Think two or more, multiple locating slots are on the first side wall of the teeth portion towards the axis in yoke portion along the axial cloth for being parallel to yoke portion
It sets, and the quantity of fitting projection is equal with the quantity of locating slot, a fitting projection is oppositely arranged with a locating slot.Separately
Outside, guide part may be arch or semicircle etc., axis of the positioning region perpendicular to yoke portion perpendicular to the axial cross section in yoke portion
To cross section 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 includes yoke portion 31 and the first teeth portion 321, and the second splicing module includes 33 He of boots portion
Second teeth portion 322, fitting projection 3221 are inserted into locating slot 3211 and connect the first teeth portion 321 with the second teeth portion 322, and cooperate
Protrusion 3221 is located on the side wall 3220 of the second teeth portion 322, and locating slot 3211 is located on the side wall 3210 of the first teeth portion 321, and
Locating slot 3211 is 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 second splicing module includes teeth portion 42 and boots portion 43,
Fitting projection 421 is located at teeth portion 42 on the side wall 420 in yoke portion 41, and locating slot 411 is located on the peripheral wall in yoke portion 41, and positions
Slot 411 is located at yoke portion 41 at the middle part being parallel in 43 axial direction of yoke portion, and the side wall 420 of teeth portion 42 and the internal perisporium in yoke portion 41 are adjacent
It connects.In addition, opening up at locating slot 411 on the internal perisporium in yoke portion 41 in the present embodiment, there are two limiting slot 412, limiting slots
412 are sequentially arranged with locating slot 411 along the axial direction for being parallel to yoke portion 43, and locating slot 411 be located at two limiting slots 412 it
Between, two limiting slots 412 extend out to yoke portion 41 respectively along the two sides for the self-positioning slot 411 of axial direction for being parallel to yoke portion 41
End walls.Teeth portion 42 is inserted into limiting slot 412 far from the end in yoke portion 41, the side wall 420 of teeth portion 42 and the bottom wall of limiting slot 412
4120 is 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 and avoid rubbing between teeth portion and yoke portion
It wipes, 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 is spliced by least two splicing modules, and the boots portion and the yoke portion are located therein two respectively
In the splicing module, multiple splicing modules include the first splicing module and the second splicing module, the first splicing mould
Block and second splicing module are detachably connected；
One in first splicing module and second splicing module is provided with locating slot, first splicing module and
Another in second splicing module is provided with fitting projection, and the fitting projection is plugged in the locating slot, described
First splicing module and second splicing module are spliced along the radial direction in the yoke portion；
Along the axial direction for being parallel to the yoke portion, the length of the locating slot is less than the length in the yoke portion.
2. stator core according to claim 1, it is characterised in that:
First splicing module includes the yoke portion and the teeth portion, and second splicing module includes the boots portion, described
The boots portion is arranged in towards on the first side wall of the teeth portion in fitting projection, and the locating slot is located at second side of the teeth portion
On wall, the first side wall and the second sidewall are adjacent.
3. stator core according to claim 1, it is characterised in that:
The teeth portion includes the first teeth portion and the second teeth portion being sequentially arranged along the radial direction in the yoke portion, the first splicing mould
Block includes the yoke portion and first teeth portion, and second splicing module includes the boots portion and second teeth portion, described
Fitting projection is inserted into the locating slot and connect first teeth portion with second teeth portion, and the fitting projection is located at described
On the third side wall of second teeth portion, the locating slot is located on the 4th side wall of first teeth portion, the third side wall and institute
State the 4th adjacent sidewalls.
4. stator core according to claim 1, it is characterised in that:
First splicing module includes the yoke portion, and second splicing module includes the teeth portion and the boots portion, described
Fitting projection is located at the teeth portion on the 5th side wall in the yoke portion, and the locating slot is located on the peripheral wall in the yoke portion,
5th side wall and the peripheral wall in the yoke portion are adjacent.
5. stator core according to claim 4, it is characterised in that:
Limiting slot is offered on the peripheral wall in the yoke portion at the locating slot, the limiting slot is inserted into the end of the teeth portion
In, the bottom wall of the 5th side wall and the limiting slot is adjacent.
6. stator core according to any one of claims 1 to 5, it is characterised in that:
In the circumferential direction in the boots portion, groove is provided in the end walls in the boots portion.
7. stator core according to any one of claims 1 to 5, 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, the guide part is triangle perpendicular to the axial cross section in the yoke portion, the positioning region perpendicular to
The axial cross section in the yoke portion is rectangle.
8. stator core according to any one of claims 1 to 5, it is characterised in that:
The locating slot is located at first splicing module at the middle part being parallel in yoke portion axial direction.
9. stator core according to any one of claims 1 to 5, it is characterised in that:
The shape of the fitting projection is complementary with the shape of the locating slot.
10. stator core according to any one of claims 1 to 5, 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 5, 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 the splicing module for being provided with the 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116107.7A CN109120078A (en) | 2018-09-25 | 2018-09-25 | Stator core, stator and preparation method thereof, motor and household electrical appliance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116107.7A CN109120078A (en) | 2018-09-25 | 2018-09-25 | Stator core, stator and preparation method thereof, motor and household electrical appliance |
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| Publication Number | Publication Date |
|---|---|
| CN109120078A true CN109120078A (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811116107.7A Pending CN109120078A (en) | 2018-09-25 | 2018-09-25 | Stator core, stator and preparation method thereof, motor and household electrical appliance |
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| Country | Link |
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| CN (1) | CN109120078A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI701891B (en) * | 2019-05-20 | 2020-08-11 | 大銀微系統股份有限公司 | A coil insulation structure of a rotary electric machine |
| CN113572278A (en) * | 2020-04-29 | 2021-10-29 | 纬湃汽车电子(芜湖)有限公司 | Brushless motor stator and brushless motor |
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| CN86209621U (en) * | 1986-11-29 | 1987-12-16 | 浙江大学 | Water-cooled protruding pole synchronous motor interpole supporter |
| 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 |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86209621U (en) * | 1986-11-29 | 1987-12-16 | 浙江大学 | Water-cooled protruding pole synchronous motor interpole supporter |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI701891B (en) * | 2019-05-20 | 2020-08-11 | 大銀微系統股份有限公司 | A coil insulation structure of a rotary electric machine |
| CN113572278A (en) * | 2020-04-29 | 2021-10-29 | 纬湃汽车电子(芜湖)有限公司 | Brushless motor stator and brushless motor |
| CN113572278B (en) * | 2020-04-29 | 2024-03-22 | 纬湃汽车电子(芜湖)有限公司 | Brushless motor stator and brushless motor |
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Application publication date: 20190101 |