CN106849397B - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN106849397B CN106849397B CN201611161204.9A CN201611161204A CN106849397B CN 106849397 B CN106849397 B CN 106849397B CN 201611161204 A CN201611161204 A CN 201611161204A CN 106849397 B CN106849397 B CN 106849397B
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- Prior art keywords
- iron core
- rotor
- core
- tooth
- teeth portion
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Classifications
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- 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
Abstract
The invention discloses a kind of motors, it include: rotor, multiple teeth portion iron cores, tooth boots iron core and stator yoke iron core, multiple teeth portion iron cores are arranged in rotor outer periphery along the circumferentially spaced of rotor, each teeth portion iron core respectively includes main part and tooth tip elongated portion, main part is generally formed into the column radially extended along rotor, tooth tip elongated portion is located at one end towards rotor of main part, tooth tip elongated portion extends along the axial of rotor at least one end of rotor, one end stator yoke iron core towards rotor that tooth boots iron core is located at teeth portion iron core is connected with teeth portion iron core and is formed as the annular of the circumferentially extending along rotor, stator yoke iron core is connected with main part.Motor according to an embodiment of the present invention, by being independently arranged teeth portion iron core, tooth boots iron core and stator yoke iron core in motor, the poly- magnetic energy power of motor is enhanced, the performance of motor is not only improved, the material investment of iron core is also reduced, the production cost of motor is thereby reduced.
Description
Technical field
The present invention relates to technical field of motors, and in particular, to a kind of motor.
Background technique
Monophase machine by stator core be arranged the poly- magnetic of teeth portion, and by adjust teeth portion axial dimension point of adjustment
Depolymerization magnetic energy power, stator yoke and stator teeth are stamped to form using same silicon steel sheet, the superimposed thickness of multilayer silicon steel sheet
It is identical as the overall thickness of stator core, it can not be independently arranged the axial dimension of motor yoke, tooth middle part, tooth boots, in the related technology
Motor by increase tooth boots width improve tooth boot upper product, not only increase the size of motor, and to motor stator surface area
The increase effect in magnetic field is limited, also adds the dosage of motor stator.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem at least to a certain extent.
For this purpose, the present invention proposes a kind of motor, which not only enhances the poly- magnetic energy power of stator core, also reduces electricity
The material cost of machine stator.
Motor according to an embodiment of the present invention, comprising: rotor, multiple teeth portion iron cores, tooth boots iron core and stator yoke iron core,
Multiple teeth portion iron cores are arranged in the rotor outer periphery, each teeth portion iron core difference along the circumferentially spaced of the rotor
Including main part and tooth tip elongated portion, the main part is generally formed into the column radially extended along the rotor, the tooth
Sharp elongated portion is located at one end towards the rotor of the main part, and the tooth tip elongated portion is along the axial to institute of the rotor
At least one end for stating rotor extends, the tooth boots iron core be located at the teeth portion iron core towards stator described in one end of the rotor
Yoke portion iron core is connected with the teeth portion iron core and is formed as the annular of the circumferentially extending along the rotor, the stator yoke iron core
It is connected with the main part.
Motor according to an embodiment of the present invention, by being independently arranged teeth portion iron core, tooth boots iron core and stator in motor
Yoke portion iron core, can be according to the individually designed teeth portion iron core of working characteristics of motor, tooth boots iron core with the shape with stator yoke iron core
Shape, structure and size not only optimize the structure of motor compared with integrally-built motor stator in the prior art, strengthen
The poly- magnetic energy power of motor also reduces the material investment of iron core, reduces the dosage of the poly- magnetic material such as silicon steel sheet, and then reduce
The production cost of motor.
In addition, motor according to an embodiment of the present invention, can also have the following additional technical features:
According to one embodiment of present invention, the teeth portion iron core is equipped with bayonet hole, and the tooth boots iron core is equipped with c-type
Opening, the c-opening are snapped connection with the bayonet hole.
According to one embodiment of present invention, the bayonet hole is located in the main part or the tooth tip elongated portion.
According to one embodiment of present invention, the tooth boots iron core is equipped with c-opening, the c-opening and the tooth
Sharp elongated portion snaps connection.
According to one embodiment of present invention, the teeth portion iron core is made of multiple teeth portion core lamination stacks, the tooth boots iron
Core is made of multiple tooth boots core lamination stacks, the side of laminating for laminating direction Yu the tooth boots core lamination stack of the teeth portion core lamination stack
To vertical.
According to one embodiment of present invention, at least one end of the tooth tip elongated portion be equipped with along the rotor it is radial to
The boss that the center of the rotor extends.
According to one embodiment of present invention, it is respectively equipped with card slot on the main part of each teeth portion iron core, institute
Yoke portion iron core is stated to be connected in the card slot along the circumferential direction of the rotor.
According to one embodiment of present invention, the stator yoke iron core towards the rotor or backwards to the rotor
Side wall surface be equipped with the limiting slot that is adapted to the card slot.
According to one embodiment of present invention, the stator yoke iron core includes multiple stator yoke core packets, Duo Gesuo
The end for stating stator yoke core packet, which is fitting to connection mutually, to be circularized.
According to one embodiment of present invention, the stator yoke iron core includes multiple stator yoke core packets, Duo Gesuo
The end for stating stator yoke core packet is circularized by hasp connection.
According to one embodiment of present invention, the stator yoke iron core constitutes annular by least one bar shaped punching.
According to one embodiment of present invention, one end of the outer peripheral surface towards the rotor of the tooth boots iron core is formed as
The combinatorial surface of one section of arc surface, multi-section circular arc face or arc surface and plane.
According to one embodiment of present invention, the tooth boots iron core is divided into multiple tooth boots iron cores in the axial direction of the rotor
Section.
According to one embodiment of present invention, the circumferentially upper the same side of the rotor is located on the same tooth boots iron core
The tooth tip length of multiple tooth boots core packets successively shortens along the axial direction of the rotor, is located on the same tooth boots iron core described
The tooth tip length of multiple tooth boots core packets of the circumferentially upper other side of rotor is successively increased along the axial direction of the rotor.
According to one embodiment of present invention, in the circumferential direction of the rotor, each tooth tip is long on multiple tooth boots iron cores
The arrangement rule of degree is identical.
According to one embodiment of present invention, the tooth boots iron core is divided into N number of tooth boots iron core in the axial direction of the rotor
Section, the tooth tip length of each tooth boots core packet two sides differ, wherein first tooth boots core packet and n-th tooth boots core packet
Corresponding, second tooth boots core packet is corresponding with the N-1 tooth boots core packet, remaining described tooth boots core packet is successively opposite
It answers, the shape of corresponding two tooth boots core packets is identical but installation direction is opposite.
According to one embodiment of present invention, the teeth portion iron core and the stator yoke iron core and the tooth boots iron core
The connection of junction is reinforced by injection molding.
According to one embodiment of present invention, the teeth portion iron core and the stator yoke iron core and the tooth boots iron core connect
Junction is equipped with insulating layer.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the stator of motor according to an embodiment of the present invention and the structural schematic diagram of rotor；
Fig. 2 is structural schematic diagram of the structure shown in Fig. 1 at another visual angle；
Fig. 3 is the structural schematic diagram of the teeth portion iron core of motor according to an embodiment of the present invention；
Fig. 4 is the teeth portion iron core of motor according to an embodiment of the present invention and the assembling schematic diagram of tooth boots iron core；
Fig. 5 is structural schematic diagram of the structure shown in Fig. 3 at another visual angle；
Fig. 6 is portion's dress figure of structure shown in Fig. 4；
Fig. 7 is the structural schematic diagram of the tooth boots iron core of motor according to an embodiment of the present invention；
Fig. 8 is structural schematic diagram of the structure shown in fig. 7 at another visual angle；
Fig. 9 is the arrangement schematic diagram of the tooth boots iron core of motor according to an embodiment of the present invention；
Figure 10 is the main view of structure in Fig. 9；
Figure 11 is the location diagram of the adjacent teeth boots core packet of motor according to an embodiment of the present invention.
Appended drawing reference:
10: rotor；
20: teeth portion iron core；21: main part；22: tooth tip elongated portion；23: bayonet hole；24: card slot；
30: tooth boots iron core；31:C type opening；32: tooth boots core packet；33: mounting hole；
40: stator yoke iron core.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
1 to Figure 11 specific descriptions motor according to an embodiment of the present invention includes: rotor 10, multiple teeth portion with reference to the accompanying drawing
Iron core 20, tooth boots iron core 30 and stator yoke iron core 40.
Specifically, multiple teeth portion iron cores 20 are arranged in 10 periphery of rotor, each teeth portion along the circumferentially spaced of rotor 10
Iron core 20 respectively includes main part 21 and tooth tip elongated portion 22, and main part 21 is generally formed into the column radially extended along rotor 10
Shape, tooth tip elongated portion 22 are located at one end towards rotor 10 of main part 21, and tooth tip elongated portion 22 is along the axial to turning of rotor 10
At least one end of son 10 extends, and tooth boots iron core 30 is located at one end towards rotor 10 of teeth portion iron core 20, stator yoke iron core 40
It is connected and is formed as the annular of the circumferentially extending along rotor 10, main part 21 and 40 phase of stator yoke iron core with teeth portion iron core 20
Even.
In other words, the motor is mainly by rotor 10, multiple teeth portion iron cores 20, tooth boots iron core 30 and 40 groups of stator yoke iron core
At, the rotatable setting motor of rotor 10 middle part and rotor 10 axially along the axially extending of motor, the surrounding of rotor 10 is uniform
Multiple teeth portion iron cores 20 are set, and teeth portion iron core 20 is along the circumferentially spaced arrangement of rotor 10, and each teeth portion iron core 20 is along rotor 10
Radially extend, teeth portion iron core 20 is equipped with tooth boots iron core 30 towards one end of rotor 10, i.e. tooth boots iron core 30 is fixedly connected on tooth
The inner end of portion's iron core 20, teeth portion iron core 20 are equipped with stator yoke iron core 40,40 shape of stator yoke iron core far from one end of rotor 10
At the annular of the circumferentially extending along rotor 10.
Wherein, each teeth portion iron core 20 is mainly made of main part 21 and tooth tip elongated portion 22, and main part 21 prolongs rotor 10
Radially extend, tooth tip elongated portion 22 is axially extending along rotor 10, the outside of the inside of main part 21 and tooth tip elongated portion 22
It is fixedly linked, wherein tooth tip elongated portion 22 can be respectively facing both direction extension along the axial direction of rotor 10 specifically can be with
It is interpreted as, the silicon steel sheet for constituting teeth portion iron core 20 substantially forms a " T " shape structure, and tooth tip elongated portion 22 can also be along rotor 10
It is axial extend to a direction, the silicon steel sheet for constituting teeth portion iron core 20 substantially forms a L shape structure.
Motor according to an embodiment of the present invention as a result, by being independently arranged teeth portion iron core 20, tooth boots iron core 30 in motor
And stator yoke iron core 40, can according to the individually designed teeth portion iron core 20 of working characteristics of motor, tooth boots iron core 30 with it is fixed
The shape, structure and size of sub- yoke portion iron core 40 not only optimize compared with integrally-built motor stator in the related technology
The structure of motor, enhances the poly- magnetic energy power of motor, also reduces the material investment of iron core, reduces the poly- magnetic material such as silicon steel sheet
The dosage of material thereby reduces the production cost of motor.
Furthermore teeth portion iron core 20 is by along master rotor 10 axially extending tooth tip elongated portion 22 and radially extended along rotor 10
Body portion 21 is constituted, so that the controllability of the size in 10 axial direction of rotor of teeth portion iron core 20 is improved, it can be according to motor stator
Requirement adjust the extended length of tooth tip elongated portion 22, will not overall structure to teeth portion iron core 20 and performance have an impact, and
And the thickness of stator yoke iron core 40 is reduced under the premise of not influencing the poly- magnetic energy power of stator yoke iron core 40, reduce material
Material investment.
In certain specific embodiments of the invention, teeth portion iron core 20 is equipped with bayonet hole 23, sets on tooth boots iron core 30
There is c-opening 31, c-opening 31 is snapped connection with bayonet hole 23.
Specifically, as shown in figure 3, teeth portion iron core 20 is equipped with bayonet hole 23 towards one end of rotor 10, bayonet hole 23 is along tooth
The thickness direction of portion's iron core 20 runs through the rectangular notch of teeth portion iron core 20, and part tooth boots iron core 30 is equipped with and is adapted to bayonet hole 23
The c-opening 31 that can be connect, c-opening 31 are formed as along 30 thickness direction through part tooth boots iron core 30 of part tooth boots iron core, and C
The side of type opening 31 is equipped with notch, and c-opening 31 is detachably clamped by notch and bayonet hole 23.
Part tooth boots iron core 30 and teeth portion iron core 20 are detachably clamped by bayonet hole 23 and c-opening 31 as a result, structure
Simply, easy for installation, it is provided convenience for the installation and removal of motor, and can guarantee tooth boots iron core 30 and teeth portion iron core 20
Structural intergrity, prevent between tooth boots iron core 30 and teeth portion iron core 20 generate installation gap influence motor performance.
Optionally, bayonet hole 23 is located in main part 21 or tooth tip elongated portion 22.
That is, (embodiment as shown in Figure 3) can be set on the main part 21 of teeth portion iron core 20 in bayonet hole 23,
Bayonet hole 23 also can be set in the tooth tip elongated portion 22 of 21 two sides of main part, by main part 21 or tooth tip elongated portion 22
Upper setting bayonet hole 23 guarantees that tooth boots iron core 30 is capable of fixing and is connected in main part 21 or tooth tip elongated portion 22, increases tooth
The alternative of 30 installation site of boots iron core optimizes the link position of tooth boots iron core 30.
Specifically, as shown in figure 3, in the present embodiment, main part 21 is arranged in towards the side of rotor 10 in bayonet hole 23,
Part tooth boots iron core 30 is equipped with c-opening 31, and part tooth boots iron core 30 is equipped with mounting hole 33, and mounting hole 33 is along tooth boots iron core
30 thickness direction runs through tooth boots iron core 30, and the width of mounting hole 33 is equal with the height of tooth tip elongated portion 22, mounting hole 33
Length it is equal with 22 width of tooth tip elongated portion, for example, the cross-sectional shape of mounting hole 33 can form rectangle, utilize mounting hole
33 are detachably connected on tooth tip elongated portion 22 on teeth portion iron core 20 with the cooperation of tooth tip elongated portion 22, guarantee tooth boots iron core 30 with
The connection reliability of the tooth tip elongated portion 22 of teeth portion iron core 20.
In some specific examples of the invention, tooth boots iron core 30 is equipped with c-opening 31, and c-opening 31 is stretched with tooth tip
Long portion 22 snaps connection.
Specifically, tooth tip elongated portion 22, which is equipped with bayonet hole 23, is accordingly connected to the tooth of 22 position of tooth tip elongated portion
Boots iron core 30 is equipped with c-opening 31 so that tooth boots iron core 30, which is formed, protrudes into the block tongue in bayonet hole 23, guarantee c-opening 31 with
The adaptation of bayonet hole 23 can connect, and be achieved in being detachably connected for tooth boots iron core 30 and tooth tip elongated portion 22, not only ensure that tooth boots
Iron core 30 is fixedly connected with teeth portion iron core 20, is also simplified the connection structure of tooth boots iron core 30 Yu teeth portion iron core 20, is reduced
Production cost, and the installation for motor and dismounting provide conveniently, and improving assembly efficiency reduces maintenance cost.
Wherein, teeth portion iron core 20 is made of multiple teeth portion core lamination stack (not shown), and tooth boots iron core 30 is by multiple tooth boots iron
Core lamination (not shown) composition, teeth portion core lamination stack laminate direction and tooth boots core lamination stack to laminate direction vertical.
That is, teeth portion iron core 20 is overrided to form by the identical teeth portion core lamination stack of several cross sectional shapes, stator yoke
Portion's iron core 40 is equally laminated by the identical yoke portion core lamination stack in several sections and is constituted, unlike, teeth portion core lamination stack laminates
Direction and tooth boots core lamination stack to laminate direction vertical.
A specific embodiment according to the present invention, the teeth portion core lamination stack (not shown) in teeth portion iron core 20 is along rotor 10
Circumferential direction be sequentially overlapped, the yoke portion core lamination stack in stator yoke iron core 40 is sequentially overlapped arrangement, teeth portion along the axial direction of rotor 10
Iron core 20 and yoke portion iron core are respectively adopted to be formed by stacking along the circumferential or axial silicon steel sheet of rotor 10, folded by control teeth portion iron core
The size of piece and yoke portion core lamination stack and superposition quantity adjust stator core along the extension size of 10 axial and circumferential of rotor, not only
The structure design for optimizing stator, enhances the poly- magnetic energy power of stator, also reduces the investment of material, reduce the production of motor
Cost.
Advantageously, tooth tip elongated portion 22 extends along the axial of rotor 10 to the both ends of rotor 10.
Specifically, each teeth portion iron core 20 is mainly made of main part 21 and tooth tip elongated portion 22, and main part 21 prolongs rotor
10 radially extend, and tooth tip elongated portion 22 can be respectively facing both direction extension along the axial direction of rotor 10, and main part 21
Inside and the outside of tooth tip elongated portion 22 are fixedly linked, i.e., each silicon steel sheet for constituting teeth portion iron core 20 substantially forms one " T "
Shape structure.
Teeth portion iron core 20 is by along main part rotor 10 axially extending tooth tip elongated portion 22 and radially extended along rotor 10
21 are constituted, to improve teeth portion iron core 20 in the controllability of the axial upper size of rotor 10, can be wanted according to motor stator
Seek the extended length for adjusting tooth tip elongated portion 22, will not overall structure to teeth portion iron core 20 and performance have an impact, Er Qie
The thickness that stator yoke iron core 40 is reduced under the premise of the poly- magnetic energy power that will not influence stator yoke iron core 40, reduces material
Investment.
Optionally, at least one end of tooth tip elongated portion 22 is equipped with along the radial to the convex of the center of rotor 10 extension of rotor 10
Platform (not shown), one end of boss backstop rotor 10.
That is, one end of tooth tip elongated portion 22 is equipped with boss, boss is connected with the end of tooth tip elongated portion 22 and edge
Rotor 10 extends radially inwardly, and the outside of 10 end of rotor is arranged in boss and stop is in the end of rotor 10, limits rotor
10 scope of activities in the axial direction.
In certain specific embodiments of the invention, the both ends of tooth tip elongated portion 22 are respectively equipped with boss, tooth tip elongation
The axial length of rotor 10 is substantially equal to the distance between on the inside of 22 both ends boss of portion, rotor 10 is arranged at 22 liang of tooth tip elongated portion
Between the boss at end, guarantee that rotor 10 will not generate axial displacement in rotary course.
As a result, by the way that boss is arranged in the end of tooth tip elongated portion 22, on the one hand, the length of teeth portion iron core 20 is increased,
The poly- magnetic energy power of teeth portion iron core 20 is enhanced, on the other hand, using the axial displacement of boss limitation rotor 10, prevents rotor 10 from existing
Axial displacement is generated in rotary course to damage, and is improved the job stability of motor, is extended the service life of motor.
Wherein, at least one main part 21 of teeth portion iron core 20 be equipped with card slot 24, at least the one of stator yoke iron core 40
End is located in card slot 24.
Specifically, as shown in figure 4, the middle part of main part 21 is equipped with card slot 24, card slot 24 is formed as rectangular configuration, that is,
It says, the notch of a rectangle is equipped with per the middle part of a piece of silicon steel sheet for constituting main part 21, after multiple silicon steel sheet superpositions, in main body
The middle part in portion 21 forms card slot 24, and the end of stator yoke iron core 40 is connected in card slot 24.
As a result, by the way that card slot 24 is arranged on main part 21, it is fixed to be realized using card slot 24 and the cooperation of stator yoke iron core 40
Sub- iron core is detachably connected, and the development length by increasing tooth tip elongated portion 22 can increase stator core along the axis of rotor 10
To size, and stator yoke iron core 40 will not be impacted, or constitute the silicon steel sheet of stator yoke iron core 40 by changing
Quantity or width, thus on the basis of not influencing teeth portion iron core 20 change stator yoke iron core 40 poly- magnetic energy power.
Furthermore the connection type can not only guarantee the structural stability of motor stator, the stator on motor stator is prevented
Yoke portion iron core 40 is separated with teeth portion iron core 20, also improves the flexibility that the size of motor stator core is adjusted, individually to adjust
The local axial dimension of stator core provides convenience, and reduces the material investment of stator, reduces production cost.
Advantageously, it is respectively equipped with card slot 24 on the main part 21 of each teeth portion iron core 20, stator yoke iron core 40 is along rotor
10 circumferential direction is connected in card slot 24.
That is, being equipped with card slot 24, the main body of two teeth portion iron cores 20 on the main part 21 of each teeth portion iron core 20
Corresponding position is equipped with the card slot 24 of identical size in portion 21, and the both ends of stator yoke iron core 40 are respectively engaged with two main parts 21
On card slot 24 in.It is fixedly connected in card slot 24 using the both ends of stator yoke iron core 40 as a result, is achieved in stator yoke
Iron core 40 is fixedly connected with teeth portion iron core 20, not only be ensure that the structural stability of stator core, is also achieved stator yoke
The structure relative independentability of iron core 40 and teeth portion iron core 20 is conducive to that stator yoke iron core 40 is separately provided and teeth portion iron core 20 exists
The size of rotor 10 circumferential direction and axial direction reduces material investment on the basis of reinforcing stator poly- magnetic energy power.
Wherein, stator yoke iron core 40 towards rotor 10 or backwards to rotor 10 side wall surface be equipped with and card slot 24
The limiting slot (not shown) of adaptation.
Specifically, as shown in Figure 1, stator yoke iron core 40 is formed as the arc circumferentially extended along rotor 10, arcuate structure
The inner or outer side of one or both ends is equipped with limiting slot, that is to say, that side or back of the stator yoke iron core 40 towards rotor 10
It is equipped with limiting slot to the side of rotor 10, limiting slot, which can be set, also can be set in one end of stator yoke iron core 40 in stator
The both ends of yoke portion iron core 40, limiting slot are adapted to clamping with card slot 24.
By the way that limiting slot is arranged in the one or both ends of stator yoke iron core 40, specifically, if two of motor stator
Card slot 24 is equipped on teeth portion iron core 20, accordingly, limiting slot is arranged in the both ends of stator yoke iron core 40, if the one of motor stator
A teeth portion iron core 20 is integrally formed with stator yoke iron core 40, corresponding, and one end of stator yoke iron core 40 is equipped with limiting slot, fixed
Limiting slot corresponding with card slot 24 is set on sub- yoke portion iron core 40, stator yoke iron core 40 and teeth portion iron core 20 can be effectively prevent
Relative displacement is generated in rotary course, improves the connective stability of motor stator, and then improves the working performance of motor.
Wherein, stator yoke iron core 40 includes multiple stator yoke core packet (not shown), multiple stator yoke core packets
End be fitting to connection circularize mutually.
In other words, stator yoke iron core 40 is made of several 40 ends of stator yoke iron core, 40 end edge of stator yoke iron core
Rotor 10 circumferentially and is from beginning to end detachably connected, wherein card slot 24 and buckle are set between adjacent stators yoke portion core packet,
The fitting connection of stator yoke core packet is realized using the cooperation of card slot 24 and buckle.
Stator yoke iron core 40 is divided into soft dry 40 end of stator yoke iron core being detachably fitted into as a result, is not only protected
The globality and stability for having demonstrate,proved 40 structure of stator yoke iron core, also reduce the producting process difficulty of stator yoke iron core 40,
Production cost is reduced, and is provided conveniently for the installation of stator teeth iron core 20.
Optionally, as shown in Fig. 2, stator yoke iron core 40 includes multiple stator yoke core packets, multiple stator yoke iron
The end of core section is circularized by hasp connection, and multiple 40 ends of stator yoke iron core join end to end along the circumferentially distributed of rotor 10
It forms annular stator yoke portion iron core 40 and is located at the outside of rotor 10, rotor 10 runs through the middle part of stator yoke iron core 40.
Stator yoke iron core 40 is set to ring structure as a result, on the one hand, end to end ring structure, carrying
Ability is stronger, and non-deformability is larger, increases the stability and rigidity of stator yoke iron core 40, and on the other hand, annular determines
The middle part of sub- yoke portion iron core 40 limits mounting hole, and rotor 10 protrudes into mounting hole and through stator yoke iron core 40, is conducive to strong
Change the interaction force between stator yoke iron core 40 and rotor 10, improves the working performance of motor.
Wherein, stator yoke iron core 40 constitutes annular by least one bar shaped punching, that is to say, that stator yoke iron core 40
It is made of one or more bar shaped punchings, and bar shaped punching forms ring structure, stator yoke iron core 40 is constituted by control
The number of bar shaped punching adjusts extension size of the stator yoke iron core 40 in 10 axial direction of rotor, easy to operate, and will not shadow
The structure and size for ringing stator teeth iron core 20 reduce the material investment of motor stator.
Preferably, one end of the outer peripheral surface towards rotor 10 of tooth boots iron core 30 is formed as one section of arc surface, multi-section circular arc
The combinatorial surface of face or arc surface and plane.
Specifically, as shown in figure 4, tooth boots iron core 30 forms a circular arc coaxial with rotor 10 towards one end of rotor 10
Face, constitute tooth boots iron core 30 several silicon steel sheets towards 10 side of rotor edge along the axially extending of rotor 10, and each
The edge of silicon steel sheet towards 10 side of rotor is identical, and edge can be arc-shaped, can be the group of multiple short arcs composition
Conjunction face is also possible to the combinatorial surface of multistage plane composition.
The arcwall face or combinatorial surface coaxial with rotor 10 are constituted towards the side of rotor 10 in tooth boots iron core 30 as a result, and
Combinatorial surface forms the axially extending mounting hole of rotor 10 along the circumferentially distributed of rotor 10 and along the axially extending of rotor 10,
Rotor 10 is placed in mounting hole, is on the one hand provided conveniently for the installation of rotor 10 with fixed, another aspect tooth boots iron core 30
Rotor 10 is wrapped up, may advantageously facilitate the interaction force between tooth boots iron core 30 and rotor 10.
Wherein, tooth boots iron core 30 is divided into multiple tooth boots core packets 32 in the axial direction of rotor 10, that is to say, that tooth boots iron core
30 are made of several tooth boots core packets 32, and several tooth boots core packets 32 on the same tooth boots iron core 30 are along the axis of rotor 10
To being spaced apart.
Specifically, as shown in Figure 6 and Figure 7, each tooth boots iron core 30 is made of three tooth boots core packets 32, wherein three teeth
Boots core packet 32 along rotor 10 axially spaced arrangement, wherein be located at middle part tooth boots core packet 32 be equipped with c-opening 31
To be fixedly connected with the main part 21 of teeth portion iron core 20, the tooth boots core packet 32 positioned at two sides is equipped with the peace penetrated through along its thickness
Hole 33 is filled to be set in two tooth tip elongated portions 22 of teeth portion iron core 20.
As a result, by the way that gap is arranged between adjacent teeth boots core packet 32, the independence of tooth boots core packet 32 is advantageously ensured that
Property, it can not only prevent from influencing each other between adjacent teeth boots core packet 32, moreover it is possible to promote dissipating between adjacent teeth boots core packet 32
The thermal efficiency, and then the heat-sinking capability of motor is improved, improve the working performance of motor.
Optionally, the tooth of multiple tooth boots core packets 32 of the circumferential upper the same side of rotor 10 is located on the same tooth boots iron core 30
Sharp length successively shortens along the axial direction of rotor 10, and multiple teeth of the circumferential upper other side of rotor 10 are located on the same tooth boots iron core 30
The tooth tip length of boots core packet 32 is successively increased along the axial direction of rotor 10.
Specifically, the side that two lateral edge rotors 10 of teeth portion iron core 20 are axially extending, wherein the tooth boots on a side
The tooth tip length of core packet 32 is successively reduced along the axial direction of rotor 10, the tooth tip length of the tooth boots core packet 32 on another side
Axial direction along rotor 10 successively increases, that is to say, that adjacent teeth boots core packet 32 is arranged along 10 circumferential misalignment of rotor, adjacent teeth boots
Segmentation skewed slot substantially axially extending along rotor 10 is formed between iron core 30.By the way that segmentation is arranged between adjacent teeth boots iron core 30
Skewed slot can further promote the heat-sinking capability of tooth boots iron core 30, not only optimize the structure design of motor, moreover it is possible to prevent high temperature
The damage for causing motor extends the service life of motor.
Advantageously, in the circumferential direction of rotor 10, the arrangement rule of each tooth tip length is identical on multiple tooth boots iron cores 30.
As shown in figure 5, being equipped with multiple teeth portion iron cores 20 in motor, each teeth portion iron core 20 is equipped with tooth boots iron core 30, often
A tooth boots iron core 30 is equipped with several tooth boots core packets 32, is connected in a certain order between adjacent teeth boots core packet 32
Teeth portion iron core 20 is towards one end of rotor 10, for example, being equipped with certain gap, adjacent fingers iron between adjacent teeth boots core packet 32
Segmentation skewed slot is equipped between core 20, wherein the length of the tooth boots iron core 30 on all teeth portion iron cores 20 is identical as arrangement regulation.
Multiple tooth boots iron cores 30 produce according to same length dimension and install identical arrangement rule installation, improve electricity
The production scale degree of machine stepping, improves production efficiency, reduces costs, and identical mounting means and installs
Journey improves the assembling speed of motor, improves the yield of motor.
Optionally, tooth boots iron core 30 is divided into N number of tooth boots core packet 32, each tooth boots core packet 32 in the axial direction of rotor 10
The tooth tip length of two sides differs, wherein first tooth boots core packet 32 is corresponding with n-th tooth boots core packet 32, second tooth boots
Core packet 32 is corresponding with the N-1 tooth boots core packet 32, remaining tooth boots core packet 32 is successively corresponding, corresponding two teeth
The shape of boots core packet 32 is identical but installation direction is opposite.
That is, the structure of the tooth boots core packet 32 at the both ends on teeth portion iron core 20 is identical, it is equal sized, but installation side
To on the contrary, being arranged from the both ends of tooth boots iron core 30 to the middle part of tooth boots iron core 30 with this, apart from 20 both ends of teeth portion iron core apart from phase
Deng tooth boots core packet 32 structure it is identical, it is equal sized, installation direction on the contrary, setting features described above tooth boots core packet 32,
It can make full use of the installation space inside motor, strengthen the poly- magnetic energy power of iron core to the greatest extent.
Optionally, the connection of the junction of teeth portion iron core 20 and stator yoke iron core 40 and tooth boots iron core 30 is added by injection molding
By force.
That is, utilizing the modeling of heating and softening after stator yoke iron core 40 is connected in the card slot 24 of teeth portion iron core 20
Glue material is cast between stator yoke iron core 40 and teeth portion iron core 20, and stator yoke iron core is realized after plastic material cooled and solidified
40 are fixedly connected with teeth portion iron core 20, and teeth portion iron core 20 and tooth boots iron core 30 pass through bayonet hole 23 and c-opening 31 adapter
After connecing, the plastic material of heating and softening is cast between teeth portion iron core 20 and tooth boots iron core 30, after plastic material cooled and solidified
Realization teeth portion iron core 20 is fixedly connected with tooth boots iron core 30.
Teeth portion iron core 20 and stator yoke iron core 40 and tooth boots iron core 30, simple process, behaviour are connected by the way of injection molding
Facilitate, not only reduces the production cost of motor, also improve the connective stability of motor, prevent teeth portion iron core 20 and stator
Yoke portion iron core 40 and tooth boots iron core 30 generate separation because shaking during the work time, and then enhance the working performance of motor, and
And the bonding strength between teeth portion iron core 20 and stator yoke iron core 40 and tooth boots iron core 30 is increased, prevent motor damage.
Wherein, teeth portion iron core 20 and stator yoke iron core 40 and 30 joint face of tooth boots iron core are equipped with insulating layer, that is,
It says, insulating layer, teeth portion iron core 20 and tooth is equipped between the inner wall of 20 card slot 24 of 40 lamination of stator yoke iron core and teeth portion iron core
Insulating layer is equipped between the joint face of boots iron core 30, by teeth portion iron core 20 and stator yoke iron core 40 and tooth boots iron core 30 it
Between joint face on insulating layer is set, guarantee the relatively independent of teeth portion iron core 20 and stator yoke iron core 40 and tooth boots iron core 30
Property, prevent teeth portion iron core 20 from influencing each other with stator yoke iron core 40 and tooth boots iron core 30, and then improve the performance of motor.
Other of motor according to an embodiment of the present invention are constituted and are operated for those of ordinary skills all
Be it is known, be not detailed herein.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (15)
1. a kind of motor characterized by comprising
Rotor；
Multiple teeth portion iron cores, multiple teeth portion iron cores are arranged in the rotor outer periphery along the circumferentially spaced of the rotor, often
A teeth portion iron core respectively include:
Main part, the main part are generally formed into the column radially extended along the rotor；
Tooth tip elongated portion, the tooth tip elongated portion are located at one end towards the rotor of the main part, the tooth tip elongation
Portion extends along the axial of the rotor at least one end of the rotor；
Tooth boots iron core, the tooth boots iron core are located at one end towards the rotor of the teeth portion iron core；
Stator yoke iron core, the stator yoke iron core are connected with the teeth portion iron core and are formed as prolonging along the circumferential direction of the rotor
The annular stretched, the stator yoke iron core are connected with the main part；
The teeth portion iron core is equipped with bayonet hole, and the tooth boots iron core is equipped with c-opening, the c-opening and the bayonet
Hole snaps connection；
The c-opening is snapped connection with the tooth tip elongated portion；
At least one end of the tooth tip elongated portion is equipped with the radial boss extended to the center of the rotor along the rotor.
2. motor according to claim 1, which is characterized in that the bayonet hole is located at the main part or the tooth tip is stretched
In long portion.
3. motor according to claim 1, which is characterized in that the teeth portion iron core is made of multiple teeth portion core lamination stacks,
The tooth boots iron core is made of multiple tooth boots core lamination stacks, and the direction that laminates of the teeth portion core lamination stack is folded with the tooth boots iron core
Piece to laminate direction vertical.
4. motor according to claim 1, which is characterized in that the main part of each teeth portion iron core is equipped with card
Slot, yoke portion iron core are connected in the card slot along the circumferential direction of the rotor.
5. motor according to claim 4, which is characterized in that the stator yoke iron core towards the rotor or back
The limiting slot being adapted to the card slot is equipped with to the side wall surface of the rotor.
6. motor according to claim 1, which is characterized in that the stator yoke iron core includes multiple stator yoke iron cores
Section, the end of multiple stator yoke core packets, which is fitting to connection mutually, to be circularized.
7. motor according to claim 1, which is characterized in that the stator yoke iron core includes multiple stator yoke iron cores
The end of section, multiple stator yoke core packets is circularized by hasp connection.
8. motor according to claim 1, which is characterized in that the stator yoke iron core is by least one bar shaped punching structure
It circularizes.
9. motor according to claim 1, which is characterized in that the outer peripheral surface towards the rotor of the tooth boots iron core
One end is formed as the combinatorial surface of one section of arc surface, multi-section circular arc face or arc surface and plane.
10. motor according to claim 1, which is characterized in that the tooth boots iron core is divided into the axial direction of the rotor
Multiple tooth boots core packets.
11. motor according to claim 10, which is characterized in that be located at the rotor week on the same tooth boots iron core
The tooth tip length of multiple tooth boots core packets of upward the same side successively shortens along the axial direction of the rotor, the same tooth boots iron
The tooth tip length for being located at multiple tooth boots core packets of the circumferentially upper other side of the rotor on core successively increases along the axial direction of the rotor
Add.
12. motor according to claim 11, which is characterized in that in the circumferential direction of the rotor, multiple tooth boots iron
The arrangement rule of each tooth tip length is identical on core.
13. motor according to claim 12, which is characterized in that the tooth boots iron core is divided into the axial direction of the rotor
The tooth tip length of N number of tooth boots core packet, each tooth boots core packet two sides differs, wherein first tooth boots core packet and N
A tooth boots core packet is corresponding, and second tooth boots core packet is corresponding with the N-1 tooth boots core packet, remaining described tooth boots iron core
Duan Yici is corresponding, and the shape of corresponding two tooth boots core packets is identical but installation direction is opposite.
14. motor according to claim 1, which is characterized in that the teeth portion iron core and the stator yoke iron core and institute
The connection for stating the junction of tooth boots iron core is reinforced by injection molding.
15. motor according to claim 14, which is characterized in that the teeth portion iron core and the stator yoke iron core and institute
Tooth boots iron core joint face is stated equipped with insulating layer.
Priority Applications (1)
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| CN201611161204.9A CN106849397B (en) | 2016-12-15 | 2016-12-15 | Motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161204.9A CN106849397B (en) | 2016-12-15 | 2016-12-15 | Motor |
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| CN106849397B true CN106849397B (en) | 2019-09-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108667167A (en) * | 2018-06-15 | 2018-10-16 | 珠海格力电器股份有限公司 | A kind of assembling method of stator core, stator module, motor and stator core |
| CN112510863B (en) * | 2020-11-23 | 2022-01-18 | 珠海格力电器股份有限公司 | Motor core, motor stator, motor and fan |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202798178U (en) * | 2012-08-16 | 2013-03-13 | 富阳新马工具有限公司 | Combined type motor stator structure |
| CN103580305A (en) * | 2012-08-10 | 2014-02-12 | 德昌电机(深圳)有限公司 | Motor chip, chip assembly and motor |
| CN204012960U (en) * | 2014-07-24 | 2014-12-10 | 广东威灵电机制造有限公司 | Stator core and stator, magneto |
| CN104638785A (en) * | 2015-02-13 | 2015-05-20 | 广东威灵电机制造有限公司 | Stator iron core component, stator and permanent magnet motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58215962A (en) * | 1982-06-08 | 1983-12-15 | Matsushita Electric Ind Co Ltd | Stator for rotary electric machine |
| JP2012023861A (en) * | 2010-07-14 | 2012-02-02 | Mitsubishi Electric Corp | Armature core and motor |
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2016
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580305A (en) * | 2012-08-10 | 2014-02-12 | 德昌电机(深圳)有限公司 | Motor chip, chip assembly and motor |
| CN202798178U (en) * | 2012-08-16 | 2013-03-13 | 富阳新马工具有限公司 | Combined type motor stator structure |
| CN204012960U (en) * | 2014-07-24 | 2014-12-10 | 广东威灵电机制造有限公司 | Stator core and stator, magneto |
| CN104638785A (en) * | 2015-02-13 | 2015-05-20 | 广东威灵电机制造有限公司 | Stator iron core component, stator and permanent magnet motor |
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