CN206878563U - Toothing, electric machine iron core and the motor of electric machine iron core - Google Patents
Toothing, electric machine iron core and the motor of electric machine iron core Download PDFInfo
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- CN206878563U CN206878563U CN201720596856.9U CN201720596856U CN206878563U CN 206878563 U CN206878563 U CN 206878563U CN 201720596856 U CN201720596856 U CN 201720596856U CN 206878563 U CN206878563 U CN 206878563U
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- iron core
- electric machine
- machine iron
- toothing
- arc surface
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
It the utility model is related to machine field, disclose a kind of toothing of electric machine iron core, electric machine iron core and motor, wherein, the toothing of the electric machine iron core includes teeth portion (2), the teeth portion (2) has two winding supporting surfaces (10) along its length relative to each other, and the arc surface (4) between the two windings supporting surface (10)；Wherein, formed with the transition face for weakening the arc surface (4) and the projecting degree of the intermediate location of the winding supporting surface (10) between the arc surface (4) and the winding supporting surface (10).Technical scheme provided by the utility model, which is easy to implement, reduces the risk that friction is produced between stator and rotor.
Description
Technical field
Machine field is the utility model is related to, more particularly to a kind of toothing of electric machine iron core, further, this practicality is new
Type further relates to a kind of electric machine iron core and a kind of motor.
Background technology
Electric machine iron core includes rotor core and stator core, and rotor core and stator core have been respectively formed on toothing, uses
In winding winding.Traditional motor construction is unreasonable, and friction is easily produced between the stator and rotor of motor, influences motor
Functional reliability.
The inventor of present specification has found that the insulating barrier being coated on the toothing of electric machine iron core is to cause under study for action
An important factor for stator and rotor easily rub.Specifically, it is general refering to Fig. 1 and Fig. 2, the angle of the toothing of conventional motors iron core
For right angle 3, than relatively sharp.Engineer is in the less electric machine iron core of design part space width, in order to avoid winding such as enamel-cover
When line passes through the notch between toothing, by the sharp keen scratch paint film of tooth right angle 3, electric machine iron core insulating barrier cladding electricity is mainly utilized
The sharp keen right angle 3 of machine iron core.Insulating layer material is generally plastics, softer, can play a part of protective winding, prevent plowing from around
The external insulation layer of group.
Limited by conventional motors tooth-shape structure, when using the angle of keenness of insulating barrier cladding motor teeth portion, insulating barrier is very
(referring to the insulating barrier protuberance 6 in Fig. 2) is easily projected into beyond the arc surface of toothing, reduces the stator of motor and turns
Gap between son, and then easily cause and rubbed between stator and rotor, influence the functional reliability of motor.
Utility model content
The purpose of this utility model is to overcome above-mentioned technical problem existing for prior art, there is provided one kind is easy to implement
Reduce the technical scheme for the risk that friction is produced between stator and rotor.
To achieve these goals, the utility model first aspect provides a kind of toothing of electric machine iron core, including teeth portion,
Wherein, the teeth portion has two winding supporting surfaces along its length relative to each other, and positioned at the two windings supporting surface
Between arc surface；Wherein, formed with for weakening the arc surface and institute between the arc surface and the winding supporting surface
State the transition face of the projecting degree of the intermediate location of winding supporting surface.
Preferably, the axis of the circle central axis of the arc surface and the electric machine iron core coincides.
Preferably, the transition face is cambered surface.
Preferably, the transition face is inclined-plane.
Preferably, the transition face is cascaded surface.
Preferably, the electric machine iron core is stator core or rotor core.
The utility model second aspect provides a kind of electric machine iron core, including toothing, wherein, the toothing is according to this
The toothing of electric machine iron core described in utility model first aspect.
Preferably, the electric machine iron core also includes being covered in the toothing surface so that the toothing and winding insulation
Insulating barrier, the insulating barrier do not projected to beyond the arc surface of the teeth portion of the toothing.
Preferably, the insulating barrier is formed as the insulation being located at the arc surface with the toothing on same periphery
Layer arc surface；And/or
The insulating barrier is plastic insulating layer.
The utility model third aspect provides a kind of motor, including electric machine iron core, wherein, the electric machine iron core is according to this
Electric machine iron core described in utility model second aspect.
Technical scheme provided by the utility model has the advantages that：
The toothing of electric machine iron core provided by the utility model between the arc surface and winding supporting surface of teeth portion formed with
Excessive face, for weakening arc surface and the projecting degree of the intermediate location of winding supporting surface, thus, the coated insulation on toothing
During layer, easily the intermediate location between arc surface and winding supporting surface effectively can be wrapped up, so as to prevent arc surface
Winding external insulation layer is scratched with the angle of keenness of winding supporting surface intermediate location, while easily realizes that insulating barrier does not protrude into tooth knot
Beyond the arc surface of structure, and then effectively avoid insulating barrier from reducing the gap between stator and rotor, reduce between stator and rotor
The risk of friction is produced, improves the functional reliability of motor operation.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the toothing of conventional motors iron core；
Fig. 2 is the dimensional structure diagram of the toothing for the conventional motors iron core for being coated with external insulation layer；
Fig. 3 is the dimensional structure diagram of the toothing for the electric machine iron core that the utility model embodiment 1 provides；
Fig. 4 is the three-dimensional knot of the toothing for the electric machine iron core for being coated with external insulation layer that the utility model embodiment 1 provides
Structure schematic diagram；
Fig. 5 is the dimensional structure diagram of the toothing for the electric machine iron core that the utility model embodiment 2 provides；
Fig. 6 is the three-dimensional knot of the toothing for the electric machine iron core for being coated with external insulation layer that the utility model embodiment 2 provides
Structure schematic diagram；
Fig. 7 is the dimensional structure diagram of the toothing for the electric machine iron core that the utility model embodiment 3 provides；
Fig. 8 is the three-dimensional knot of the toothing for the electric machine iron core for being coated with external insulation layer that the utility model embodiment 3 provides
Structure schematic diagram.
Description of reference numerals
The teeth portion of 1 toothing 2
The arc surface of the toothing of 3 right angle 4
The insulating barrier protuberance of 5 insulating barrier 6
The inclined-plane of 7 cambered surface 8
The winding supporting surface of 9 cascaded surface 10
Embodiment
In the utility model embodiment, in the case where not making opposite explanation, the noun of locality that uses as " it is upper and lower, left,
The right side " typically refers to the upper and lower, left and right of refer to the attached drawing." inside and outside " refers to relative to the inside and outside of part profile itself.
The utility model embodiment first aspect provides a kind of toothing 1 of electric machine iron core, wherein, the electric machine iron core
Toothing 1 refers to comprising at least the construction unit for the teeth portion 2 for being used to wind winding.
For convenience of description, the present embodiment by by taking the toothing 1 of the stator core shown in Fig. 1-Fig. 8 as an example to this
The embodiment of utility model embodiment is described in detail.It is, of course, understood that the motor that the present embodiment provides
Iron core is equally applicable to rotor core.
Fig. 1 and Fig. 2 are referred to, the toothing 1 of electric machine iron core includes teeth portion 2, and the teeth portion 2 is with relative to each other along length
Spend the two winding supporting surfaces 10 in direction, and the arc surface 4 between the two windings supporting surface 10.Wherein, the length
Direction refers to toothing 1 in motor after installation, teeth portion 2 it is parallel with the axis direction of electric machine iron core or substantially flat
Capable direction.Therefore, two winding supporting surfaces of the length direction refer to the parallel with the axis direction of electric machine iron core of teeth portion
Or two almost parallel winding supporting surfaces.The winding supporting surface 10 refer to iron core winding be wrapped on iron core after such as stator
After winding is wrapped on stator core, close to the face for being used to support winding of winding.By taking Fig. 1 as an example, the winding supporting surface of teeth portion 2
10 include four, upper and lower, left and right winding supporting surface.The two winding supporting surfaces 10 along its length be teeth portion 2 a left side,
Right two winding supporting surfaces 10.For the ease of description, winding supporting surface 10 discussed below for teeth portion 2 along its length
Winding supporting surface 10.As Figure 1-Figure 8, the winding supporting surface 10 for example can be plane.
The teeth portion 2 of existing electric machine iron core, typically no transition face between its arc surface 4 and winding supporting surface 10, winding branch
Support face 10 and the intermediate location of arc surface 4 are more sharp keen, such as the generally transition of right angle 3.Sharp keen right angle is being coated with insulating barrier 5
When 3, insulating barrier 5 is easily projected into beyond the arc surface 4 of teeth portion 2, causes the gap between rotor and stator to reduce.
In the present embodiment, between the arc surface 4 and winding supporting surface 10 of teeth portion 2 formed with for weaken arc surface 4 with around
The transition face of the projecting degree of the intermediate location of group supporting surface 10.So, can be easily to circular arc in coated insulation layer 5
Intermediate location between face 4 and winding supporting surface 10 is effectively wrapped up, so as to prevent arc surface 4 and the transition of winding supporting surface 10
The angle of keenness at position scratches winding external insulation layer, at the same easily realize insulating barrier 5 do not protrude into the arc surface 4 of toothing 1 with
Outside, and then effectively avoid insulating barrier 5 from reducing the gap between stator and rotor, reduce the wind that friction is produced between stator and rotor
Danger, improve the functional reliability of motor operation.
Generally, after electric machine iron core installs in motor, circle central axis and the motor iron of the arc surface 4 of teeth portion 2
The axis of core coincides, or substantially overlaps.
In order to weaken arc surface 4 and the projecting degree of the intermediate location of winding supporting surface 10, the transition face can have more
Kind concrete shape.Three kinds of specific embodiments of described transition face, certainly, the transition face are provided with reference to Fig. 3-Fig. 8
Shape is not limited to this.
Embodiment 1
Refer to Fig. 3 and Fig. 4, the transition face is cambered surface 7, such as arc surface.Specifically, cambered surface 7 is relative to teeth portion 2
Arc surface 4 stretch out until connection teeth portion 2 winding supporting surface 10.In coated insulation layer 5, insulating barrier 5 is along teeth portion 2
Winding supporting surface 10 extend towards the arc surface 4 of teeth portion 2, can under conditions of effectively intermediate location scratch winding is prevented,
Do not extend to easily beyond the arc surface 4 of winding supporting surface 10.As shown in figure 4, in embodiment shown in Fig. 4, the shape of insulating barrier 5
As with the insulating barrier arc surface being located at the arc surface 4 of toothing 1 on same periphery.
Embodiment 2
Fig. 5 and Fig. 6 are referred to, the transition face can be inclined-plane 8.Specifically, the inclined-plane 8 relative to teeth portion 2 circle
Cambered surface 4 stretches out until connection winding supporting surface 10.In coated insulation layer 5, winding support of the insulating barrier 5 along teeth portion 2
Face 10 extends towards the arc surface 4 of teeth portion 2, can easily not prolong under conditions of effectively intermediate location scratch winding is prevented
Beyond the arc surface 4 for reaching winding supporting surface 10.As shown in fig. 6, in embodiment shown in Fig. 6, insulating barrier 5 is formed as having
The insulating barrier arc surface being located at the arc surface 4 of toothing 1 on same periphery.
Embodiment 3
Fig. 7 and Fig. 8 are referred to, the transition face is cascaded surface 9.Specifically, the cascaded surface 9 is formed so that the circle
Intermediate location between cambered surface 4 and the winding supporting surface 10 is towards the sunken inside of teeth portion 2.In coated insulation layer 5, insulating barrier 5
Extend along the winding supporting surface 10 of teeth portion 2 towards the arc surface 4 of teeth portion 2, effectively can prevent intermediate location scratch winding
Under conditions of, do not extend to easily beyond the arc surface 4 of winding supporting surface 10.As shown in fig. 6, in embodiment shown in Fig. 6,
Insulating barrier 5 is formed as the insulating barrier arc surface being located at the arc surface 4 with toothing 1 on same periphery.
It is worth noting that, no matter the transition face is formed as which kind of shape, the connection transition face of the arc surface 4
Axial edge line both with respect to the connection transition face of the winding supporting surface 10 axial edge line closer to the tooth
The axially symmetric face in portion 2.Wherein, after the electric machine iron core axially referred to installs in motor, the axis side with electric machine iron core
To parallel or substantially parallel direction.
The utility model embodiment second aspect provides a kind of electric machine iron core, including toothing 1, wherein, the toothing 1
The toothing 1 of the electric machine iron core provided for the utility model embodiment first aspect.This electric machine iron core can be more easily
The insulating barrier 5 of the arc surface 4 without departing from teeth portion 2 is formed in teeth portion 2, so as to be supported in the arc surface 4 for ensureing teeth portion 2 with winding
Under conditions of the intermediate location in face 10 does not scratch winding, reduce caused by insulating barrier 5 is projected to beyond the arc surface 4 of teeth portion 2
The risk that gap reduces between stator and rotor.Suppress the friction between stator and rotor, the operation for preferably improving motor can
By property.
Refering to Fig. 4, Fig. 6 and Fig. 8, the electric machine iron core that the present embodiment provides is before winding is wound, it is necessary in electric machine iron core
Outer surface laying insulating barrier 5, for ensureing the insulation between electric machine iron core and winding.Specifically, because winding is wrapped in electricity
On the toothing 1 of machine iron core, therefore, insulating barrier 5 is used to ensure the insulation between toothing 1 and winding.In order to avoid insulating barrier 5
It is projected into beyond the arc surface 4 of teeth portion 2 and reduces the gap between stator and rotor, causes easily to produce between stator and rotor
Friction.The insulating barrier 5 is not projected to beyond the arc surface 4 of the teeth portion 2 of toothing 1.
Insulating barrier 5 can also for example be cast in the outer surface of toothing 1, and for the ease of processing, insulating barrier 5 is formed as having
There is the insulating barrier arc surface being located at the arc surface of toothing 14 on same periphery.
Preferably, the making material of the insulating barrier 5 for example can be plastic material.
The utility model embodiment third aspect provides a kind of motor, including electric machine iron core, wherein, the electric machine iron core is
The electric machine iron core that the utility model embodiment second aspect provides, using the electric machine iron core of this structure, between stator and rotor
Gap it is bigger, produce that the probability of friction is lower, and therefore, functional reliability is higher between stator and rotor.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model.
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute
Disclosure, belong to the scope of protection of the utility model.
Claims (10)
1. a kind of toothing of electric machine iron core, including teeth portion (2), it is characterised in that the teeth portion (2) has edge relative to each other
Two winding supporting surfaces (10) of length direction, and the arc surface (4) between the two windings supporting surface (10)；Wherein,
Formed with for weakening the arc surface (4) and the winding branch between the arc surface (4) and the winding supporting surface (10)
The transition face of the projecting degree of the intermediate location in support face (10).
2. the toothing of electric machine iron core according to claim 1, it is characterised in that the circle central axis of the arc surface and institute
The axis for stating electric machine iron core coincides.
3. the toothing of electric machine iron core according to claim 1, it is characterised in that the transition face is cambered surface (7).
4. the toothing of electric machine iron core according to claim 1, it is characterised in that the transition face is inclined-plane (8).
5. the toothing of electric machine iron core according to claim 1, it is characterised in that the transition face is cascaded surface (9).
6. the toothing of the electric machine iron core according to any one in claim 1-5, it is characterised in that the electric machine iron core
For stator core or rotor core.
7. a kind of electric machine iron core, including toothing (1), it is characterised in that the toothing (1) is according in claim 1-6
The toothing of electric machine iron core described in any one.
8. electric machine iron core according to claim 7, it is characterised in that the electric machine iron core also includes being covered in the tooth knot
Structure (1) surface is not so that the insulating barrier (5) of the toothing (1) and winding insulation, the insulating barrier (5) project to the tooth knot
Beyond the arc surface (4) of the teeth portion (2) of structure (1).
9. electric machine iron core according to claim 8, it is characterised in that the insulating barrier (5) is formed as having and the tooth knot
The arc surface (4) of structure is located at the insulating barrier arc surface on same periphery；And/or
The insulating barrier (5) is plastic insulating layer.
10. a kind of motor, including electric machine iron core, it is characterised in that the electric machine iron core is according to any one in claim 7-9
Electric machine iron core described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720596856.9U CN206878563U (en) | 2017-05-25 | 2017-05-25 | Toothing, electric machine iron core and the motor of electric machine iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720596856.9U CN206878563U (en) | 2017-05-25 | 2017-05-25 | Toothing, electric machine iron core and the motor of electric machine iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206878563U true CN206878563U (en) | 2018-01-12 |
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ID=61336886
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720596856.9U Active CN206878563U (en) | 2017-05-25 | 2017-05-25 | Toothing, electric machine iron core and the motor of electric machine iron core |
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| CN (1) | CN206878563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404300A (en) * | 2020-03-27 | 2020-07-10 | 珠海格力电器股份有限公司 | Assembly structure, stator module and motor |
-
2017
- 2017-05-25 CN CN201720596856.9U patent/CN206878563U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404300A (en) * | 2020-03-27 | 2020-07-10 | 珠海格力电器股份有限公司 | Assembly structure, stator module and motor |
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