CN207504742U - Motor and with its washing machine - Google Patents
Motor and with its washing machine Download PDFInfo
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- CN207504742U CN207504742U CN201721708340.5U CN201721708340U CN207504742U CN 207504742 U CN207504742 U CN 207504742U CN 201721708340 U CN201721708340 U CN 201721708340U CN 207504742 U CN207504742 U CN 207504742U
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Abstract
The utility model provides a kind of motor and with its washing machine.Motor includes stator department, and stator department includes：External stator part；Inner stator；Positioning region, inner stator are positioned by positioning region and external stator part installation, and inner stator is located at the inside of external stator part, the first magnetic circuit can be formed on external stator part, the second magnetic circuit can be formed on inner stator, the first magnetic circuit and the second magnetic circuit are mutual indepedent.Stator department is arranged to the mode with external stator and inner stator, and external stator part and inner stator are attached by positioning region, since positioning region only serves connection function, so that during stator department works, the first magnetic circuit for being formed on external stator part with formed on inner stator the second magnetic circuit will not there is a situation where intersect.The stator department of the structure is used, enables to form independent magnetic circuit on external stator part and inner stator, setting in this way can effectively improve the torque of the motor with the stator department, then improve the performance of the motor.
Description
Technical field
The utility model is related to washing machine equipment technical field, in particular to a kind of motor and with its laundry
Machine.
Background technology
Direct driving motor for washing machine is usually external rotor electric machine, which has larger diameter dimension, stator tooth
Portion is into outside emitting shape, therefore in contrast stator inner circle still has larger diameter dimension, and motor overall structure is in hollow shape
Formula has larger inner space.In the washing machine driving of large capacity, since motor driving torque of the prior art is small,
It needs to increase the torque that motor provides, be improved in the prior art generally by the methods of increasing umber of turn or high current
Magnetic density, but increase winding and then need enough winding space to stator teeth, increase electric current can cause again iron core teeth portion and
The flux density saturation problem in yoke portion, and increase umber of turn or high current and can only also improve flux density in a certain range, because
There are limitations in a manner that motor of the prior art increases torque for this.
Further, it is sectional type to additionally use stator core in the prior art, and single piecemeal iron core only includes coiling
Position and both ends pole shoe structure, two adjacent piecemeal iron cores of two adjacent magnet steel of outer rotor, corresponding stator, it is corresponding in turn
Two adjacent magnet steel of son form field circuit.Therefore, inner and outer rotors and shared piecemeal iron core, necessarily form identical slot number and match
Conjunction scheme, the electromagnetic scheme of inner and outer rotors is single, is not easy to be adjusted flexibly.And the different piecemeal iron core of stator assembles after coiling
When, because being individual block form, it is not easy to ensure the cylindricity of its inner circle and outer circle, there may be larger to air gap flux density
Influence so that the problem of motor maintainability is low.
Utility model content
The main purpose of the utility model is that providing a kind of motor and with its washing machine, to solve in the prior art
The problem of torque of motor is small.
To achieve these goals, one side according to the present utility model provides a kind of motor, including stator department,
Stator department includes：External stator part；Inner stator；Positioning region, inner stator is positioned by positioning region and external stator part installation, default
Sub-portion is located at the inside of external stator part, and the first magnetic circuit can be formed on external stator part, and the second magnetic circuit can be formed on inner stator,
First magnetic circuit and the second magnetic circuit are mutual indepedent.
Further, external stator part has external stator teeth portion and external stator yoke portion, and external stator yoke portion structure in a ring is outer fixed
For sub- teeth portion to be multiple, multiple external stator teeth portion are arranged circumferentially spaced along external stator yoke portion, and external stator teeth portion is along external stator yoke
The radial direction in portion extends outwardly.
Further, the outer surface of multiple external stator teeth portion is in the first globoidal structure, along the circumferential direction of the first globoidal structure
The distance in point on direction to the center of circle in external stator yoke portion is equal.
Further, inner stator has inner stator teeth portion and inner stator yoke portion, and inner stator yoke portion structure in a ring is default
Sub- yoke portion is connected by positioning region with external stator yoke portion, and inner stator teeth portion is multiple, and multiple inner stator teeth portion are along inner stator yoke
The inner peripheral surface in portion is positioned apart from, and inner stator teeth portion extends internally along the radial direction in inner stator yoke portion.
Further, the outer surface of multiple inner stator teeth portion is in the second globoidal structure, along the circumferential direction of the second globoidal structure
The distance in point on direction to the center of circle in inner stator yoke portion is equal.
Further, external stator yoke portion is coaxially disposed with inner stator yoke portion.
Further, there is the setting of distance ground with shape between the inner peripheral surface in external stator yoke portion and the peripheral surface in inner stator yoke portion
Into gap, positioning region is located between the inner peripheral surface in external stator yoke portion and the peripheral surface in inner stator yoke portion.
Further, positioning region is multiple, and multiple positioning regions are set between external stator yoke portion and inner stator yoke portion.
Further, positioning region is set along the axial direction in external stator yoke portion and inner stator yoke portion, the both ends of positioning region
End face flush of the end face with external stator yoke portion and inner stator yoke portion, alternatively, positioning region is along external stator yoke portion and inner stator yoke
The axial direction setting in portion, the height of positioning region are less than the height of the axial direction in external stator yoke portion and/or inner stator yoke portion.
Further, positioning region includes the first groove and the second groove, and the first groove is set to the inner circumferential in external stator yoke portion
On face, the second groove is set on the peripheral surface in inner stator yoke portion, and the first groove and the second groove are oppositely arranged to form positioning
Hole.
Further, location hole is multiple, and multiple location holes are positioned apart from.
Further, the number of external stator teeth portion is identical with the number of inner stator teeth portion, alternatively, the number of external stator teeth portion
It is different from the number of inner stator teeth portion.
Further, motor further includes rotor portions, and rotor portions are matched with stator department, and rotor portions include：Rotor body；Outside
Rotor portions, outer rotor portion are connected with rotor body, and outer rotor portion matches to form the first magnetic circuit with external stator part；Internal rotor
It is connected in the middle part of portion, inner rotor section and rotor body, is formed to accommodate stator department between inner rotor section and outer rotor portion
Accommodation space, inner rotor section match to form the second magnetic circuit with inner stator.
Further, outer rotor portion includes：Outer rotor iron core, outer rotor iron core structure in a ring；Outer rotor magnet steel, it is outer to turn
Sub- magnet steel is set along the inner peripheral surface of outer rotor iron core.
Further, inner rotor section includes：Internal rotor iron core, internal rotor iron core are set to the middle part of rotor body, interior turn
Sub- iron core structure in a ring；Internal rotor magnetic steel, internal rotor magnetic steel are set along the peripheral surface of internal rotor iron core.
Further, it is provided with spline housing in the middle part of inner rotor section.
Further, the junction between outer rotor portion and rotor body offers outer rotor air gap hole.
Further, venthole is offered on rotor body.
Further, the junction between inner rotor section and rotor body offers internal rotor air gap hole.
Further, external stator part, inner stator and positioning region integrated injection molding, alternatively, external stator part, inner stator
Distinguish injection molding with positioning region.
Further, when the geometric center lines of the radial direction along external stator yoke portion of inner stator teeth portion and external stator teeth portion
The radial direction along inner stator yoke portion geometric center lines it is conllinear when, the radial direction along inner stator yoke portion of positioning region it is several
What center line deviates the geometric center lines setting in inner stator yoke portion.
Further, positioning region further includes and the matched locating piece of location hole.
Another aspect according to the present utility model provides a kind of washing machine, and including motor, motor is above-mentioned motor.
Using the technical solution of the utility model, stator department is arranged to the mode with external stator and inner stator, and
External stator part and inner stator are subjected to installation positioning by positioning region, since positioning region only serves installation positioning action so that
During stator department works, the first magnetic circuit formed on external stator part and the second magnetic circuit formed on inner stator are not
It can there is a situation where intersecting.The stator department of the structure is used, enables to be formed on external stator part and inner stator independent
Magnetic circuit, setting in this way can effectively improve the torque of the motor with the stator department, then improve the performance of the motor.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description do not form the improper restriction to the utility model for explaining the utility model.
In the accompanying drawings：
Fig. 1 shows the structure diagram of the first embodiment of motor according to the present utility model；
Fig. 2 shows the structures at the first visual angle of the first embodiment of the stator core of stator department according to the present utility model
Schematic diagram；
Fig. 3 shows the structure at the second visual angle of the first embodiment of the stator core of stator department according to the present utility model
Schematic diagram；
Fig. 4 shows the schematic cross-sectional view of the first embodiment of rotor portions according to the present utility model；
Fig. 5 shows the structure diagram at the first visual angle of the first embodiment of rotor portions according to the present utility model；
Fig. 6 shows the structure diagram at the second visual angle of the first embodiment of rotor portions according to the present utility model；
Fig. 7 shows the structure diagram at the first visual angle of the first embodiment of stator department according to the present utility model；
Fig. 8 shows the structure diagram at the second visual angle of the first embodiment of stator department according to the present utility model；
Fig. 9 shows the structure at the first visual angle of the second embodiment of the stator core of stator department according to the present utility model
Schematic diagram；
Figure 10 shows the knot at the second visual angle of the second embodiment of the stator core of stator department according to the present utility model
Structure schematic diagram；
Figure 11 shows the structure diagram of washing machine according to the present utility model.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, external stator part；11st, external stator teeth portion；12nd, external stator yoke portion；
20th, inner stator；21st, inner stator teeth portion；22nd, inner stator yoke portion；
30th, positioning region；
41st, location hole；
42nd, outer rotor air gap hole；
43rd, venthole；
44th, internal rotor air gap hole；
51st, rotor body；52nd, outer rotor magnet steel；53rd, internal rotor magnetic steel；531st, spline housing；54th, outer rotor iron core；55、
Internal rotor iron core；
61st, inner stator winding；62nd, insulation framework；63rd, external stator winding；64th, line boss is crossed；65th, line boss is crossed；
81st, housing；82nd, water drum；83rd, roller；84th, rotor portions；85th, stator department；86th, bearing block；87th, shaft；88th, it fastens
Bolt；89th, fore bearing；90th, rear bearing.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It should be noted that term " first ", " second " in the description and claims of this application and attached drawing etc.
It is the object for distinguishing similar, specific sequence or precedence is described without being used for.It should be appreciated that the art used in this way
Language can be interchanged in the appropriate case, so that presently filed embodiment described herein for example can be in addition to illustrating herein
Or the sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those steps or unit for clearly listing, but may include not listing clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made in opposite description to space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that these embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make identical device is presented with like reference characters, thus they are retouched by omitting
It states.
With reference to shown in Fig. 1 to Figure 11, embodiment according to the present utility model provides a kind of motor.
Specifically, as shown in Figure 1, the motor includes stator department, stator department includes external stator part 10 and inner stator 20.It is fixed
Position portion 30, inner stator 20 are connected by positioning region 30 with external stator part 10, and inner stator 20 is located at the interior of external stator part 10
Side can form the first magnetic circuit on external stator part 10, and the second magnetic circuit, the first magnetic circuit and the second magnetic can be formed on inner stator 20
Road is mutual indepedent.
In the present embodiment, stator department is arranged to the mode with external stator and inner stator, and by external stator part and
Inner stator carries out installation positioning by positioning region, since positioning region only serves connection function so that in the mistake of stator department work
Cheng Zhong, the feelings that the first magnetic circuit formed on external stator part will not intersect with the second magnetic circuit formed on inner stator
Condition.The stator department of the structure is used, enables to form independent magnetic circuit on external stator part and inner stator, is set in this way
The torque of the motor with the stator department can be effectively improved, then improves the performance of the motor.
As shown in Fig. 2, external stator part 10 has external stator teeth portion 11 and external stator yoke portion 12, external stator yoke portion 12 is in a ring
Structure, external stator teeth portion 11 are multiple, arranged circumferentially spaced, external stator of multiple external stator teeth portion 11 along external stator yoke portion 12
Teeth portion 11 extends outwardly along the radial direction in external stator yoke portion 12.Wherein, the outer surface of multiple external stator teeth portion 11 is in first
Globoidal structure is equal along the distance in the point in the circumferential direction of the first globoidal structure to the center of circle in external stator yoke portion 12.Exist
The axial direction in external stator yoke portion 12 and mutually level point in the first cambered surface to external stator yoke portion 12 the center of circle away from
From identical, i.e., each projection line of external stator teeth portion 11 in the horizontal plane connect along circumferential direction to be formed one it is isometrical
Circle.Setting can effectively improve the performance of stator department in this way, while can improve the concentricity of external stator part and inner stator.
Inner stator 20 has inner stator teeth portion 21 and inner stator yoke portion 22, and the structure in a ring of inner stator yoke portion 22 is default
Sub- yoke portion 22 is connected by positioning region 30 with external stator yoke portion 12, and inner stator teeth portion 21 is multiple, multiple inner stator teeth portion 21
It is positioned apart from along the inner peripheral surface in inner stator yoke portion 22, inner stator teeth portion 21 is inwardly prolonged along the radial direction in inner stator yoke portion 22
It stretches.I.e. the direction of the direction of external stator teeth portion 11 and inner stator teeth portion 21 is on the contrary, setting in this way can be efficiently used positioned at outer fixed
The space of sub- 12 inside of yoke portion.
Further, the outer surface of multiple inner stator teeth portion 21 is in the second globoidal structure, along the week of the second globoidal structure
The distance in point on direction to the center of circle in inner stator yoke portion 22 is equal.I.e. each inner stator teeth portion 21 is in the horizontal plane
Projection line connects to form an isometrical circle along circumferential direction.Setting can effectively improve the performance of stator department in this way,
The concentricity of external stator part and inner stator can be improved simultaneously.It dashes forward from figure 2 it can be seen that the first cambered surface is directed towards outer surface
Go out to form cambered surface, and the second cambered surface is directed towards being recessed to form cambered surface far from center of circle side.
It, can be same by external stator yoke portion 12 and inner stator yoke portion 22 in order to improve the concentricity of external stator part and inner stator
Axis is set.
Between there is the setting of distance ground to be formed between the inner peripheral surface in external stator yoke portion 12 and the peripheral surface in inner stator yoke portion 22
Gap, positioning region 30 are located between the inner peripheral surface in external stator yoke portion 12 and the peripheral surface in inner stator yoke portion 22.Setting can have in this way
Improve the connection reliability between external stator part and inner stator in effect ground.Wherein, since the width of positioning region 30 is less than 1mm, institute
With due to the narrower in width of positioning region 30 so that the flux density of positioning region easily reaches saturation, so as to form the effect of magnetic bridge,
Play the role of that the magnetic circuit of external stator part and inner stator is blocked to intersect and be stacked, and due in external stator part and inner stator
The density of magnetic field of upper formation is far longer than the flux density saturation degree of positioning region, so, it is formed on external stator part and inner stator
Magnetic circuit will not realize intersecting or superposition situation by positioning region.Setting positioning region can be improved in external stator part and inner stator
The upper reliability for forming individual magnetic circuit.
In order to further improve the connection reliability between external stator part and inner stator, positioning region 30 can be set
To be multiple, multiple positioning regions 30 are set between external stator yoke portion 12 and inner stator yoke portion 22, when inner stator teeth portion with it is outer fixed
When the teeth portion of son is opposite, positioning region and the teeth portion of inner stator or external stator teeth portion stagger setting.I.e. when the edge of inner stator teeth portion 21
The geometric center lines of the radial direction in external stator yoke portion 12 and the radial direction along inner stator yoke portion 22 of external stator teeth portion 11
When geometric center lines are conllinear, the geometric center lines of the radial direction along inner stator yoke portion 22 of positioning region 30 deviate inner stator yoke portion
22 geometric center lines setting.
Wherein, positioning region 30 is set along the axial direction in external stator yoke portion 12 and inner stator yoke portion 22, and the two of positioning region 30
End face flush of the end face at end with external stator yoke portion 12 and inner stator yoke portion 22.Alternatively, positioning region 30 is along external stator yoke portion
12 and the axial direction setting in inner stator yoke portion 22, the height of positioning region 30 is less than external stator yoke portion 12 and inner stator yoke portion 22
The height of axial direction.
As shown in Figures 2 and 3, be provided with the first groove on the inner peripheral surface in external stator yoke portion 12, inner stator yoke portion 22 it is outer
The second groove is provided on circumferential surface, the first groove and the second groove are oppositely arranged to form location hole 41.Setting can be determined in this way
Sub-portion is installed, and improves the connective stability of stator department.Wherein, the cross section of the first groove and the second groove can be arc knot
Structure or square structure or cross section are gradually reduced or increased trench structure.
Preferably, in order to further improve the connective stability of stator department, location hole 41 can be set as multiple, it is more
A location hole 41 is positioned apart from.Wherein, positioning region 30 further include with 41 matched locating piece of location hole, which can be with
It is the structures such as positioning bolt.
In the present embodiment, the number of external stator teeth portion 11 is identical with the number of inner stator teeth portion 21, alternatively, external stator tooth
The number in portion 11 is different from the number of inner stator teeth portion 21.
As shown in Fig. 1, fig. 4 to fig. 6, motor further includes rotor portions, and rotor portions are matched with stator department, and rotor portions include turning
Sub- ontology 51, outer rotor portion and inner rotor section.Outer rotor portion is connected with rotor body 51, outer rotor portion and 10 phase of external stator part
Coordinate to form the first magnetic circuit.Inner rotor section is connected with the middle part of rotor body 51, shape between inner rotor section and outer rotor portion
Into for accommodating the accommodation space of stator department, inner rotor section matches to form the second magnetic circuit with inner stator 20.It sets in this way
The torque of motor can be effectively improved.
Specifically, outer rotor portion includes outer rotor iron core 54 and outer rotor magnet steel 52.Outer rotor iron core 54 circularizes structure.
Outer rotor magnet steel 52 is set along the inner peripheral surface of outer rotor iron core 54.Setting can improve outer rotor magnet steel 52 and external stator part in this way
Fit precision.
Inner rotor section includes internal rotor iron core 55 and internal rotor magnetic steel 53.Internal rotor iron core 55 is set to rotor body 51
Middle part, internal rotor iron core 55 circularize structure.Internal rotor magnetic steel 53 is set along the peripheral surface of internal rotor iron core 55.Energy is set in this way
Enough improve internal rotor magnetic steel 53 and the fit precision of inner stator.
As shown in figure 4, in order to well fix rotor portions, spline housing 531 is provided in the middle part of inner rotor section.
Wherein, the junction between outer rotor portions and rotor body 51 offers outer rotor air gap hole 42.It is opened up on rotor body 51
There is venthole 43.Junction between inner rotor section and rotor body 51 offers internal rotor air gap hole 44.Setting can in this way
The performance of the rotor is improved, while achievees the purpose that mitigate rotor weight.
In the present embodiment, 30 integrated injection molding of external stator part 10, inner stator 20 and positioning region.It is of course also possible to
It is linked and packed being realized again after the 30 independent injection molding of external stator part 10, inner stator 20 and positioning region.In Fig. 4 and Fig. 5
Shown in f1, f1 is injection molding material.
Motor in above-described embodiment can be also used for washing machine technology field, i.e., the opposing party according to the present utility model
Face provides a kind of washing machine, which includes motor, and motor is the motor in above-described embodiment.Specifically, the motor packet
Stator department is included, stator department includes external stator part 10 and inner stator 20.Positioning region 30, inner stator 20 is by positioning region 30 and outside
Stator department 10 is connected, and inner stator 20 is located at the inside of external stator part 10, and the first magnetic circuit can be formed on external stator part 10,
The second magnetic circuit can be formed on inner stator 20, the first magnetic circuit and the second magnetic circuit are mutual indepedent.
In the present embodiment, stator department is arranged to the mode with external stator and inner stator, and by external stator part and
Inner stator is attached by positioning region, since positioning region only serves the effect of connection positioning so that in stator department work
In the process, the feelings that the first magnetic circuit formed on external stator part will not intersect with the second magnetic circuit formed on inner stator
Condition.The stator department of the structure is used, enables to form independent magnetic circuit on external stator part and inner stator, is set in this way
The torque of the motor with the stator department can be effectively improved, then improves the performance of the motor.
Specifically, due to single rotor output torque of the prior art it is limited in the case of, in the big torque situation of demand
It is insufficient for requiring.Further, the motor comprising inner-outer birotor in the prior art, stator are block form, stator
With inner and outer rotors there is identical slot number to coordinate, i.e. internal rotor number of poles number of stator slots corresponding with outer rotor number of poles must be the same,
Inconvenience changes different electromagnetic schemes, it is impossible to realize the flexible combination of inner and outer rotors difference electromagnetism slot number scheme.Single divided stator
It when assembling after the completion coiling of block iron core, is not easy to ensure the circularity of stator inside and outside circle, increases assembling difficulty.Moreover, in the prior art
Washing machine driving motor, enough driving torques can not be provided in large capacity.
Using the electric machine structure of the application, larger driving torque can be exported.Inner and outer Rotator can be realized identical or different
The flexible combination of electromagnetism slot number coordinated scheme, can be obtained by flexible combination needed for most suitable torque range, increase design
With the flexibility of control.Specifically, the stator department of motor is an integral structure, and is easily guaranteed that the cylindricity of stator inside and outside circle, with
This is easily guaranteed that the uniformity of air gap inside and outside two, can reduce assembling difficulty.The motor is mounted on roller washing machine, can be carried
The torque of roller is risen, increases the washing capacity of washing machine.
Wherein, in the inner circle side of motor stator for outer rotator, then set for coiling stator teeth and it is corresponding be placed in
The rotor of circle side forms the motor of inner-outer birotor structure.
Stator department includes inside and outside two groups of teeth portion and yoke portion, can separate it is inside and outside between magnetic circuit, realized respectively in corresponding with this
Two kinds of electromagnetic scheme coilings of outer rotor form field circuit, because the magnetic circuit between being separated by inside and outside, therefore inside and outside double turns
Identical or different slot number coordinated scheme can be used in son and corresponding stator, and design and control flexibility are increased with this.
Stator department includes stator core, can be by setting determining for long narrow strip structure between the inside and outside two yokes portion of stator core
Position portion, the single lamination of iron core are integral form, can preferably ensure the cylindricity of the inside and outside teeth portion of stator, long narrow strip structure
Positioning region can be used as external magnetic circuit in magnetic bridge effect separation.Or inside and outside stator core can be independent as two stator iron
Core, the corresponding smaller stator core of internal rotor is placed on the inside of the corresponding larger stator core of outer rotor, by being molded form
Insulation system as stator can equally ensure the cylindricity of inner stator and external stator that is, positioning region, conducive to gas is ensured
The uniformity of gap.
Motor is mounted on roller washing machine bucket rear portion, and installation positioning position is arranged on the middle part in yoke portion inside and outside stator, edge
Circle distribution has preferable connection fixing intensity.
Integral structure can be formed after external stator core cladding insulation framework.The quantity of external stator teeth portion can be with inner stator tooth
The quantity in portion is identical or different.Therefore, inner and outer Rotator can form identical or different slot from inner stator, external stator respectively
Pole electromagnetic scheme, the magnetizing direction of outer rotor magnet steel are not associated with the magnetizing direction of internal rotor magnetic steel, can carry out free configuration,
The field circuit line of exemplary closing is as shown in Figure 1.So the motor of the application can carry out flexible design combination.Due to the structure
The stator of motor electromagnetic excitation effect is implemented separately for inside and outside stator, do not use the combination assembling form of single teeth portion, therefore
The utility model motor can be easier to ensure that the cylindricity of inner stator inner headed face and external stator periphery, and electricity is advantageously ensured that with this
The uniformity of air gap at machine inside and outside two.
Stator core is monoblock type, is laminated and formed in an axial direction by multiple silicon steel sheets, and single silicon steel sheet is primary whole punching press
It forms.Between inner stator and external stator by be in long narrow bar shaped positioning region connect, be specifically connected to external stator yoke portion with it is default
Between sub- yoke portion, the width of stator positioning region is less than 1mm, stator positioning region of the stator core after multiple silicon steel plate stackings
Axial height can be contour with stator core or less than stator core height.When the axial height of positioning region is less than stator core
During whole height, then the silicon steel sheet positioned at the axial intermediate position of stator core has the stator positioning region, positioned at stator core axis
Do not have the stator positioning region then to the silicon steel sheet at both ends of the surface position.The stator positioning region is distributed uniformly and circumferentially, quantity
Not less than 2, not more than 6.
Insulation system is coated on stator core, further around winding processed.Inner stator winding 61 is respectively provided on stator crosses line
Line boss 65, the stator installation base excessively of boss 64, external stator winding 63.Wherein, stator installation base is separately positioned on stator
Two end faces on, location hole is set on stator installation base.Interior winding crosses line boss and outer winding is crossed line boss and used respectively
In interior winding and outer winding in winding process cross line effect, interior winding cross line boss be located at inner stator yoke portion outside, outside around
It organized line boss to be located on the inside of external stator yoke portion, inside and outside winding crosses line boss can be in stator the same side or respectively in both sides.
Position is provided with stator installation base and stator mounting hole between inside and outside winding crosses line boss, and location hole is opened in stator installation
On boss, the stator installation base on the axial width to the other end of stator of entire stator.When installing the stator, from
Stator installation base is placed in installation bolt, across stator, is pierced by out of stator installation base, is connected on other engine bases and realizes
It is fixed.
Integral molded plastic form can be used in the rotor of the motor, comprising outer rotor iron core, outer rotor magnet steel, internal rotor iron core,
Internal rotor magnetic steel, spline housing, several parts of rotor injection molding material.On the end plates of rotor, it is provided with internal rotor air gap hole and outer turn
Sub- air gap hole, the air gap hole are located at the gap position of inner and outer Rotator, circumferentially, in installation and the operating of motor, can lead to
It crosses air gap hole and sees whether the air gap of inner and outer Rotator is uniform, if there is apparent bias, can directly be adjusted and reinstall.
Venthole is additionally provided on rotor body, is circumferentially uniformly distributed, for the air circulation inside and out motor to be connected, electricity
Machine can enhance air flowing to reduce temperature when operating, exist simultaneously the weight that the venthole decreases motor.Spline housing leads to
It crosses injection form and is fixed on internal rotor core interior, for being driven axis connection, transmitting torque.
The motor is installed to roller washing machine, the driving torque to washing machine drum can be increased, the structure such as Figure 11 institutes
Show.Washing machine includes housing 81, water drum 82, roller 83, rotor portions 84, stator department 85, bearing block 86, shaft 87, fastening bolt
88th, fore bearing 89, rear bearing 90.
In the present embodiment, inner stator and external stator part can be arranged to separated structure, by insulation framework 62 or
Person is molded form, and inside and outside stator core is connected as one formula.In external stator core inner headed face and inner-stator iron core periphery
On, groove is respectively arranged with, available for realizing the relative positioning of inner-stator iron core and external stator core, while will be inside and outside fixed
When sub- iron core is connected as one, insulation framework or injection molding material will be filled in the groove, inside and outside stator core can be enhanced
Bonding strength.
Than that described above, it is also necessary to which explanation is " one embodiment " spoken of in the present specification, " another implementation
Example ", " embodiment " etc. refer to that the specific features, structure or the feature that combine embodiment description are included in the application summary
Property description at least one embodiment in.It is not centainly to refer to same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that when describing a specific features, structure or feature with reference to any embodiment, what is advocated is knot
Other embodiment is closed to realize that this feature, structure or feature are also fallen in the scope of the utility model.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (23)
1. a kind of motor, including stator department, which is characterized in that the stator department includes：
External stator part (10)；
Inner stator (20)；
Positioning region (30), the inner stator (20) are positioned by the positioning region (30) and the external stator part (10) installation,
The inner stator (20) can form the first magnetic positioned at the inside of the external stator part (10) on the external stator part (10)
Road, can form the second magnetic circuit on the inner stator (20), and first magnetic circuit and second magnetic circuit are mutual indepedent.
2. motor according to claim 1, which is characterized in that the external stator part (10) have external stator teeth portion (11) and
External stator yoke portion (12), the external stator yoke portion (12) structure in a ring, the external stator teeth portion (11) be it is multiple, it is multiple described
External stator teeth portion (11) is arranged circumferentially spaced along the external stator yoke portion (12), and the external stator teeth portion (11) is along described outer
The radial direction of stator yoke (12) extends outwardly.
3. motor according to claim 2, which is characterized in that the outer surface of multiple external stator teeth portion (11) is in the
One globoidal structure, along the point in the circumferential direction of first globoidal structure to the distance in the center of circle of the external stator yoke portion (12)
It is equal.
4. motor according to claim 2, which is characterized in that the inner stator (20) have inner stator teeth portion (21) and
Inner stator yoke portion (22), structure, the inner stator yoke portion (22) pass through the positioning region to the inner stator yoke portion (22) in a ring
(30) it is connected with the external stator yoke portion (12), the inner stator teeth portion (21) is multiple, multiple inner stator teeth portion
(21) it is positioned apart from along the inner peripheral surface of the inner stator yoke portion (22), the inner stator teeth portion (21) is along the inner stator yoke portion
(22) radial direction extends internally.
5. motor according to claim 4, which is characterized in that the outer surface of multiple inner stator teeth portion (21) is in the
Two globoidal structures, along the point in the circumferential direction of second globoidal structure to the distance in the center of circle of the inner stator yoke portion (22)
It is equal.
6. motor according to claim 4, which is characterized in that the external stator yoke portion (12) and the inner stator yoke portion
(22) it is coaxially disposed.
7. motor according to claim 4, which is characterized in that the inner peripheral surface of the external stator yoke portion (12) with it is described default
There is the setting of distance ground to form gap between the peripheral surface of sub- yoke portion (22), the positioning region (30) is positioned at the external stator yoke
Between the inner peripheral surface in portion (12) and the peripheral surface in the inner stator yoke portion (22).
8. motor according to claim 7, which is characterized in that the positioning region (30) is multiple, multiple positioning regions
(30) it is set between the external stator yoke portion (12) and the inner stator yoke portion (22).
9. motor according to claim 4, which is characterized in that
The positioning region (30) is set along the axial direction in the external stator yoke portion (12) and the inner stator yoke portion (22), described
The end face at the both ends of positioning region (30) with the external stator yoke portion (12) and the end face flush in the inner stator yoke portion (22),
Alternatively,
The positioning region (30) is set along the axial direction in the external stator yoke portion (12) and the inner stator yoke portion (22), described
The height of positioning region (30) is less than the height of the axial direction in external stator yoke portion (12) and/or the inner stator yoke portion (22).
10. motor according to claim 4, which is characterized in that the positioning region (30) is recessed including the first groove and second
Slot, first groove are set on the inner peripheral surface of the external stator yoke portion (12), and second groove is set to described default
On the peripheral surface of sub- yoke portion (22), first groove is oppositely arranged to form location hole (41) with second groove.
11. motor according to claim 10, which is characterized in that the location hole (41) is multiple, multiple positioning
Hole (41) is positioned apart from.
12. motor according to claim 4, which is characterized in that the number of the external stator teeth portion (11) with it is described default
The number of sub- teeth portion (21) is identical, alternatively, the number of the external stator teeth portion (11) and the number of the inner stator teeth portion (21)
It is different.
13. motor according to claim 1, which is characterized in that the motor further includes rotor portions, the rotor portions and institute
It states stator department to match, the rotor portions include：
Rotor body (51)；
Outer rotor portion, the outer rotor portion are connected with the rotor body (51), the outer rotor portion and the external stator part
(10) it matches to form first magnetic circuit；
Be connected in the middle part of inner rotor section, the inner rotor section and the rotor body (51), the inner rotor section with it is described outer
The accommodation space for accommodating the stator department is formed between rotor portions, the inner rotor section matches with the inner stator (20)
It closes to form second magnetic circuit.
14. motor according to claim 13, which is characterized in that the outer rotor portion includes：
Outer rotor iron core (54), the outer rotor iron core (54) structure in a ring；
Outer rotor magnet steel (52), the outer rotor magnet steel (52) are set along the inner peripheral surface of the outer rotor iron core (54).
15. motor according to claim 13, which is characterized in that the inner rotor section includes：
Internal rotor iron core (55), the internal rotor iron core (55) are set to the middle part of the rotor body (51), the internal rotor
Iron core (55) structure in a ring；
Internal rotor magnetic steel (53), the internal rotor magnetic steel (53) are set along the peripheral surface of the internal rotor iron core (55).
16. motor according to claim 13, which is characterized in that be provided with spline housing in the middle part of the inner rotor section
(531)。
17. motor according to claim 13, which is characterized in that between the outer rotor portion and the rotor body (51)
Junction offer outer rotor air gap hole (42).
18. motor according to claim 13, which is characterized in that offer venthole on the rotor body (51)
(43)。
19. motor according to claim 13, which is characterized in that between the inner rotor section and the rotor body (51)
Junction offer internal rotor air gap hole (44).
20. motor according to claim 1, which is characterized in that the external stator part (10), the inner stator (20) and
Positioning region (30) integrated injection molding, alternatively, the external stator part (10), the inner stator (20) and the positioning region
(30) injection molding respectively.
21. motor according to claim 4, which is characterized in that when the inner stator teeth portion (21) is along external stator yoke portion
(12) geometric center lines of radial direction and the radial direction side along the inner stator yoke portion (22) of the external stator teeth portion (11)
To geometric center lines it is conllinear when, the geometric center of the radial direction along the inner stator yoke portion (22) of the positioning region (30)
Line deviates the geometric center lines setting of the inner stator yoke portion (22).
22. motor according to claim 10, which is characterized in that the positioning region (30) further includes and the location hole
(41) matched locating piece.
23. a kind of washing machine, including motor, which is characterized in that the motor is the electricity described in any one of claim 1 to 22
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708340.5U CN207504742U (en) | 2017-12-06 | 2017-12-06 | Motor and with its washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708340.5U CN207504742U (en) | 2017-12-06 | 2017-12-06 | Motor and with its washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207504742U true CN207504742U (en) | 2018-06-15 |
Family
ID=62509422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721708340.5U Active CN207504742U (en) | 2017-12-06 | 2017-12-06 | Motor and with its washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207504742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994743A (en) * | 2017-12-06 | 2018-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and there is its washing machine |
-
2017
- 2017-12-06 CN CN201721708340.5U patent/CN207504742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994743A (en) * | 2017-12-06 | 2018-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and there is its washing machine |
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