CN104753204B - Prefabricated stator punching and the stator punching with it, Stator and electrical machine - Google Patents
Prefabricated stator punching and the stator punching with it, Stator and electrical machine Download PDFInfo
- Publication number
- CN104753204B CN104753204B CN201510195347.0A CN201510195347A CN104753204B CN 104753204 B CN104753204 B CN 104753204B CN 201510195347 A CN201510195347 A CN 201510195347A CN 104753204 B CN104753204 B CN 104753204B
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- Prior art keywords
- teeth portion
- punching
- sub
- stator
- straight line
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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
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
Abstract
The invention discloses a kind of prefabricated stator punching and stator punching, Stator and electrical machine with it, the prefabricated stator punching includes：First and second punchings section, first punching section includes first straight line yoke portion, spaced multiple first teeth portion of length direction and the first tooth boot portion of the free end for being located at the first teeth portion along first straight line yoke portion, and the first tooth boot portion includes in the end face or the first winding slot of the free end of the first teeth portion and two the first sub- tooth boot portions of the position alignd with the end face of the free end of the first teeth portion are can turn to relative to the first teeth portion；First teeth portion is stretched into the second winding slot and the first sub- tooth boot portion is located between the free end of the first teeth portion and the inwall of the second winding slot or between adjacent first teeth portion and the second teeth portion, and the second teeth portion is stretched into the first winding slot and the second sub- tooth boot portion is located between the free end of the second teeth portion and the inwall of the first winding slot or between adjacent first teeth portion and the second teeth portion.Prefabricated stator punching of the invention, low cost.
Description
Technical field
The present invention relates to technical field of motor manufacture, rushed with the stator with it more particularly, to a kind of prefabricated stator punching
Piece, Stator and electrical machine.
Background technology
In correlation technique, the stator processing of motor is typically using overall punching mode, the then coiling on machine.However,
This manufacture not only causes that core material utilization rate is low, and the copper factor of electric machine winding groove is not high, and due to machine around
The requirement of line, channel opening need to be larger, so as to have impact on the lifting of motor performance.
For manufacturing stator using bar shaped segmentation iron core technique, the tooth boot portion of the less stator of channel opening is more long, if
Liquidated mode using double stator, then slot bottom width is inadequate, it is difficult to realize；If using single punching mode, what is produced is useless
Material is more, and stock utilization is relatively low.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, one object of the present invention
It is to propose a kind of prefabricated stator punching, the low cost of the prefabricated stator punching.
It is another object of the present invention to propose a kind of stator punching with above-mentioned prefabricated stator punching.
Another object of the present invention is to propose a kind of stator with said stator punching.
A further object of the present invention is to propose a kind of motor with stator.
The prefabricated stator punching of embodiment according to a first aspect of the present invention, including：First punching section, the first punching section
First straight line yoke portion including bent camber, it is disposed on described first along the length direction in the first straight line yoke portion
Multiple first teeth portion in straight line yoke portion and be located at first teeth portion the one end away from the first straight line yoke portion
One tooth boot portion, limits the first winding slot between adjacent first teeth portion, first tooth boot portion includes two the first sub- tooth boot portions,
The first sub- tooth boot portion is located in the end face of described one end of first teeth portion or first winding slot and relative to institute
State the first teeth portion and can turn to the position alignd with the end face of described one end of first teeth portion；With the second punching section, it is described
Second punching section includes second straight line yoke portion, the length direction interval setting along the second straight line yoke portion of bent camber
Multiple second teeth portion in the second straight line yoke portion and be located at second teeth portion away from the second straight line yoke portion
One end the second tooth boot portion, limit the second winding slot between second adjacent teeth portion, second tooth boot portion includes two the
Two sub- tooth boot portions, the second sub- tooth boot portion is located in the end face of described one end of second teeth portion or second winding slot
And the position alignd with the end face of described one end of second teeth portion is can turn to relative to second teeth portion；Wherein, institute
State the first teeth portion stretch into second winding slot and the first sub- tooth boot portion be located at described one end of first teeth portion with
Between the inwall of second winding slot or between adjacent first teeth portion and second teeth portion, second teeth portion stretches into described
In first winding slot and the second sub- tooth boot portion is located in described one end of second teeth portion and first winding slot
Between wall or between adjacent first teeth portion and second teeth portion.
Prefabricated stator punching according to embodiments of the present invention, by setting the rotatable relative to the first teeth portion first sub- tooth
Boots portion and the second sub- tooth boot portion rotatable relative to the second teeth portion, drastically increase the sheet material that makes prefabricated stator punching
Utilization rate, so as to reduce cost.And, coiling is facilitated, improve copper factor.
Alternatively, the described first sub- tooth boot portion is rotatably connected to the end face and side of described one end of first teeth portion
The intersection of wall；The second sub- tooth boot portion is rotatably connected to the end face and side wall of described one end of second teeth portion
The intersection in face.
Further, the described first sub- tooth boot portion is turning to what is alignd with the end face of described one end of first teeth portion
It is parallel with the first straight line yoke portion before position；The second sub- tooth boot portion is turning to second teeth portion described one
It is parallel with the second straight line yoke portion before the position of the end face alignment at end.
Or alternatively, the first sub- tooth boot portion is rotatably connected on the side wall of first teeth portion and neighbouring institute
State the end face of described one end of the first teeth portion；The second sub- tooth boot portion is rotatably connected on the side wall of second teeth portion
And the end face of described one end of neighbouring second teeth portion.
Further, the described first sub- tooth boot portion is turning to what is alignd with the end face of described one end of first teeth portion
The rectangular area between adjacent first teeth portion and second teeth portion of the first winding slot described in the forward position of position
Diagonal extension；The second sub- tooth boot portion turn to the position alignd with the end face of described one end of second teeth portion it
The rectangular area between adjacent first teeth portion and second teeth portion of the second winding slot described in forward position it is diagonal
Extend.
Alternatively, the first straight line yoke portion is provided with spaced many along the length direction in the first straight line yoke portion
Individual first dashpot；The second straight line yoke portion is provided with along the spaced multiple of length direction in the second straight line yoke portion
Second dashpot.
According to a second aspect of the present invention embodiment by according to the prefabricated stator of above-mentioned first aspect embodiment of the invention rush
The stator punching that piece is made, the stator punching is rushed by with second punching section separate the first of the prefabricated stator punching
Fragment assembly is formed, or is spliced by the second punching section for first punching section separate of the prefabricated stator punching,
Or be spliced by the first punching section separated from one another and the second punching section of the prefabricated stator punching, wherein first son
Tooth boot portion turns to the position alignd with the end face of described one end of corresponding first teeth portion, and the second sub- tooth boot portion turns
Move the position alignd to the end face with described one end of corresponding second teeth portion.
The stator of embodiment according to a third aspect of the present invention, the stator is by according to above-mentioned second aspect embodiment of the invention
Stator punching stacked form.
Alternatively, the stator punching is included by with second punching section separate the first of the prefabricated stator punching
The first stator punching and by the prefabricated stator punching with first punching section separate second that punching section is spliced
The second stator punching that punching section is spliced, wherein the stator is by first stator punching and second stator punching
Staggeredly it is stacked and forms, or multiple first stator punchings and multiple second stator punchings are sequentially stacked and form.
The motor of embodiment according to a fourth aspect of the present invention, including：Rotor；Implement with according to the above-mentioned third aspect of the invention
The stator of example, wherein the stator is located in the rotor or the rotor is located in the stator.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic diagram of prefabricated stator punching according to embodiments of the present invention；
Fig. 2 is the schematic diagram of the first punching section shown in Fig. 1；
Fig. 3 is the schematic diagram of prefabricated stator punching in accordance with another embodiment of the present invention；
Fig. 4 is the schematic diagram of the first punching section shown in Fig. 3；
Fig. 5 is the schematic diagram of first punching section according to embodiments of the present invention, wherein the first sub- tooth boot portion and corresponding the
The end face alignment of one end away from first straight line yoke portion of one teeth portion.
Reference：
100：Prefabricated stator punching；
1：First punching section；11：First straight line yoke portion；111：First dashpot；
12：First teeth portion；13：First tooth boot portion；131：First sub- tooth boot portion；14：First winding slot；
21：Second straight line yoke portion；211：Second dashpot；
22：Second teeth portion；23：Second tooth boot portion；231：First sub- tooth boot portion.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " transverse direction ", " length ", " width ", " thickness ",
" on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " axial direction ", " footpath
To ", the orientation of the instruction such as " circumference " or position relationship be, based on orientation shown in the drawings or position relationship, to be for only for ease of and retouch
The present invention is stated to be described with simplified, must be with specific orientation, with specific rather than the device or element for indicating or imply meaning
Azimuth configuration and operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple " is meant that two
Individual or two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two connections of element internal.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
Prefabricated stator punching 100 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 5.Wherein, stator punching can
It is spliced with by least one prefabricated stator punching 100.
As shown in figures 1 and 3, the prefabricated stator punching 100 of embodiment according to a first aspect of the present invention, including the first punching
The punching section of section 1 and second.
Specifically, the first punching section 1 include bent camber first straight line yoke portion 11, along first straight line yoke portion 11
Length direction (for example, the left and right directions in Fig. 1 and Fig. 3) be disposed on multiple first teeth portion in first straight line yoke portion 11
12 and be located at the first teeth portion 12 the one end (for example, the lower end in Fig. 2 and Fig. 4) away from first straight line yoke portion 11 first
Tooth boot portion 13.The first winding slot 14 is limited between two adjacent the first teeth portion 12.
Reference picture 1 and Fig. 3 and combination Fig. 2-Fig. 5, the substantially linear of first straight line yoke portion 11 extend, and multiple first teeth portion 12 are equal
The same side on the width in first straight line yoke portion 11 (for example, the above-below direction in Fig. 1 and Fig. 3) is located at (for example, in Fig. 2
Downside), each first teeth portion 12 is vertical with first straight line yoke portion 11, and the width of each the first teeth portion 12 is constant, Duo Ge
One teeth portion 12 is preferably distributed along the length direction uniform intervals in first straight line yoke portion 11, and the first tooth boot portion 13 is connected to corresponding the
The free end (for example, the lower end in Fig. 5) of one teeth portion 12.It is appreciated that the concrete shape in first straight line yoke portion 11, the first teeth portion
12 number and the arrangement mode in first straight line yoke portion 11 etc. can according to actual requirement adaptive change, the present invention
This is not especially limited.
First tooth boot portion 13 includes two the first sub- tooth boot portions 131, and each first sub- tooth boot portion 131 is located at the first teeth portion 12
Above-mentioned one end end face or the first winding slot 14 in, and each first sub- tooth boot portion 131 is rotatable relative to the first teeth portion 12
To the position alignd with the end face of above-mentioned one end of the first teeth portion 12.
Two the first sub- tooth boot portions 131 are rotatable both with respect to the first teeth portion 12, for example in the example of fig. 1 and 2, when
When two the first sub- tooth boot portions 131 are located at the position shown in Fig. 1 and Fig. 2, two the first sub- tooth boot portions 131 are respectively positioned on the first teeth portion
The end of 12 one end away from first straight line yoke portion 11, when two the first sub- tooth boot portions 131 towards first straight line yoke portion 11
Direction when turning to the position shown in Fig. 5, two the first sub- tooth boot portions 131 respectively positioned at the both sides of the first teeth portion 12, and often
The surface away from first straight line yoke portion 11 of individual first sub- tooth boot portion 131 is positioned at corresponding first teeth portion 12 away from first straight line
On the face that the extended line of the end face of the one end in yoke portion 11 is constituted.
For example in the example of Fig. 3 and Fig. 4, when two the first sub- tooth boot portions 131 are located at the position shown in Fig. 3, two
First sub- tooth boot portion 131 respectively positioned at the both sides (for example, the left and right sides in Fig. 4) of corresponding first teeth portion 12, when two the
When the direction that one sub- tooth boot portion 131 is directed away from first straight line yoke portion 11 turns to the position shown in Fig. 5, two the first sub- tooth boots
The surface away from first straight line yoke portion 11 in portion 131 is located at one end away from first straight line yoke portion 11 of corresponding first teeth portion 12
End face the face that is constituted of extended line on.
Second punching section includes second straight line yoke portion 21, the length direction along second straight line yoke portion 21 of bent camber
(for example, the left and right directions in Fig. 1 and Fig. 3) is disposed on multiple second teeth portion 22, Yi Jishe in second straight line yoke portion 21
In second tooth boot portion 23 of one end (for example, the upper end in Fig. 1 and Fig. 3) away from second straight line yoke portion 21 of the second teeth portion 22.
The second winding slot is limited between two adjacent the second teeth portion 22.
Reference picture 1 and Fig. 3 and combination Fig. 2-Fig. 5, the substantially linear of second straight line yoke portion 21 extend, and multiple second teeth portion 22 are equal
Be located on the width in second straight line yoke portion 21 (for example, the above-below direction in Fig. 1 and Fig. 3) the same side (for example, Fig. 1 and
Upside in Fig. 3), each second teeth portion 22 is vertical with second straight line yoke portion 21, and the width of each the second teeth portion 22 is constant, many
Individual second teeth portion 22 is preferably distributed along the length direction uniform intervals in second straight line yoke portion 21, and the second tooth boot portion 23 is connected to correspondence
The second teeth portion 22 free end (for example, the upper end in Fig. 1 and Fig. 3).It is appreciated that the specific shape in second straight line yoke portion 21
Shape, the number of the second teeth portion 22 and the arrangement mode in second straight line yoke portion 21 etc. can according to actual requirement adaptability
Change, the present invention is not especially limited to this.
Second tooth boot portion 23 includes two the second sub- tooth boot portions 231, and each second sub- tooth boot portion 231 is located at the second teeth portion 22
Above-mentioned one end end face or the second winding slot in, and each second sub- tooth boot portion 231 can turn to relative to the second teeth portion 22
The position alignd with the end face of above-mentioned one end of the second teeth portion 22.
Two the second sub- tooth boot portions 231 are rotatable both with respect to the second teeth portion 22, for example in the example of fig. 1 and 2, when
When two the second sub- tooth boot portions 231 are located at the position shown in Fig. 1, two the second sub- tooth boot portions 231 are respectively positioned on the second teeth portion 22
Away from the end of the one end in second straight line yoke portion 21, two the second sub- tooth boot portions are rotated towards the direction in second straight line yoke portion 21
231, two the second sub- tooth boot portions 231 respectively positioned at the both sides of the second teeth portion 22, and each the second sub- tooth boot portion 231 away from the
The surface in two straight line yoke portions 21 is located at the extension of the end face of one end away from second straight line yoke portion 21 of corresponding second teeth portion 22
On the face that line is constituted.
For example in the example of Fig. 3 and Fig. 4, when two the second sub- tooth boot portions 231 are located at the position shown in Fig. 3, two
Second sub- tooth boot portion 231 positioned at the both sides (for example, the left and right sides in Fig. 4) of corresponding second teeth portion 22, is directed away from respectively
The direction in second straight line yoke portion 21 rotates two the second sub- tooth boot portions 231, two the second sub- tooth boot portions 231 away from second straight line
The surface in yoke portion 21 is located at the extended line institute structure of the end face of one end away from second straight line yoke portion 21 of corresponding second teeth portion 22
Into face on.
Prefabricated stator punching 100 can be formed in punching by the way of double liquidating.As shown in figures 1 and 3, can use
Mould is stamped and formed out double separable stator tooth slot structure (i.e. the first punching section 1 and the on the every sheet material of rectangular patch
Two punchings section), specifically, the first teeth portion 12 of the first punching section 1 is stretched into the second winding slot of the second punching section, and first
Sub- tooth boot portion 131 be located at the first teeth portion 12 away between the one end in first straight line yoke portion 11 and the inwall of the second winding slot (such as
Shown in Fig. 1) or adjacent the first teeth portion 12 and the second teeth portion 22 between (as shown in Figure 3), the second teeth portion 22 of the second punching section
Stretch into the first winding slot 14 of the first punching section 1, and the second sub- tooth boot portion 231 be located at the second teeth portion 22 away from second straight line
(as shown in Figure 1) or adjacent the first teeth portion 12 and the second teeth portion between the one end in yoke portion 21 and the inwall of the first winding slot 14
Between 22 (as shown in Figure 3).The sheet material of multi-disc rectangular patch can be wherein stacked, then using mould by multi-disc rectangular patch
Sheet material it is one time punching molded.
When using, the first punching section 1 splices stator punching and the first sub- tooth boot portion 131 is located at above-mentioned the one of the first teeth portion 12
During the end face at end, after the completion of punching can first coiling, coiling will be located at the end face of above-mentioned one end of the first teeth portion 12 after finishing
First sub- tooth boot portion 131 (as shown in Figure 2) turns to position (such as Fig. 5 alignd with the end face of above-mentioned one end of the first teeth portion 12
It is shown).Because the first sub- tooth boot portion 131 is rotatable relative to the first teeth portion 12, in winding process, the first sub- tooth boot portion 131
Positioned at the end (as shown in Figure 2) of above-mentioned one end of the first teeth portion 12, now the opening of the first winding slot 14 is larger, bobbin winding head
Activity space increases, and coiling is convenient, such that it is able to improve copper factor.
When being located in the first winding slot 14 using the splicing stator punching of the first punching section 1 and the first sub- tooth boot portion 131, punching
Can first coiling, the first sub- tooth boot portion 131 (as shown in Figure 4) that coiling will be located in the first winding slot 14 after finishing after the completion of system
Turn to the position (as shown in Figure 5) alignd with the end face of above-mentioned one end of the first teeth portion 12.Due to the phase of the first sub- tooth boot portion 131
It is rotatable for the first teeth portion 12, in winding process, opening of the first sub- tooth boot portion 131 away from corresponding first winding slot 14
(as shown in Figure 4), now the opening of the first winding slot 14 is larger, and bobbin winding head activity space increases, and coiling is convenient, such that it is able to carry
Copper factor high.
Finally at least one prefabricated stator punching 100 is joined end to end to be spliced into stator punching successively., wherein it is desired to say
It is bright, with the above-mentioned side for splicing stator punching using the first punching section 1 by the way of rushing fragment assembly stator punching using second
Formula is roughly the same, will not be repeated here.
Thus, the prefabricated stator punching 100 being made by way of using double liquidating, the waste material of generation is few, so that pole
The earth improves the utilization rate of sheet material, and has saved cost.Furthermore, it is possible to need the first winding slot of flexible design 14 according to design
With the size of the opening of the second winding slot, or even approximate closed slot is made, so as to be conducive to the improvement of motor performance.
Prefabricated stator punching 100 according to embodiments of the present invention, by setting rotatable relative to the first teeth portion 12 the
One sub- tooth boot portion 131 and relative to the rotatable second sub- tooth boot portion 231 of the second teeth portion 22, drastically increases that making is pre- to formulate
The utilization rate of the sheet material of sub- punching 100, so as to reduce cost.And, coiling is facilitated, improve copper factor.
An alternative embodiment of the invention, the first sub- tooth boot portion 131 is rotatably connected to the first teeth portion 12
The intersection of the side wall of end face and the first teeth portion 12 away from the one end in first straight line yoke portion 11, the second sub- tooth boot portion 231 can
Rotationally it is connected to the end face of one end away from second straight line yoke portion 21 of the second teeth portion 22 and the side wall of the first teeth portion 12
Intersection.Reference picture 1 simultaneously combines Fig. 2, and two the first sub- tooth boot portions 131 are connected to two angles of the lower end of the first teeth portion 12
On, two the second sub- tooth boot portions 231 are connected on two angles of the upper end of the second teeth portion 22.
Further, the first sub- tooth boot portion 131 is turning to the position alignd with the end face of above-mentioned one end of the first teeth portion 12
It is parallel with first straight line yoke portion 11 before putting；Second sub- tooth boot portion 231 is turning to the end with above-mentioned one end of the second teeth portion 22
It is parallel with second straight line yoke portion 21 before neat position.For example, as shown in figure 1, can be in the prefabricated stator punching of punching
When 100, make two the first sub- tooth boot portions 131 almost parallel with corresponding first straight line yoke portion 11, now each first sub- tooth boots
Portion 131 close to one end away from first straight line yoke portion 11 of corresponding first teeth portion 12 end face, similarly, two the second sub- teeth
Boots portion 231 is almost parallel with corresponding second straight line yoke portion 21, and now each second sub- tooth boot portion 231 is close to corresponding second tooth
The end face of the one end away from second straight line yoke portion 21 in portion 22.Thus, it is possible to effectively reduce the first sub- tooth boot portion 131 and the second son
Area occupied of the tooth boot portion 231 on sheet material, so as to further increase the utilization rate of sheet material.
According to another alternative embodiment of the present invention, the first sub- tooth boot portion 131 is rotatably connected to the first teeth portion 12
Side wall on and above-mentioned one end of neighbouring first teeth portion 12 end face；Second sub- tooth boot portion 231 is rotatably connected to the second tooth
The end face of on the side wall in portion 22 and above-mentioned one end of neighbouring second teeth portion 22.Reference picture 3 simultaneously combines Fig. 4, two the first sub- tooth boots
Portion 131 is connected to the left and right sides of the first teeth portion 12, and be connected with the first teeth portion 12 the one of each the first sub- tooth boot portion 131
The junction being connected with the first teeth portion 12 of the width at end and the first sub- tooth boot portion 131 is to first teeth portion 12 away from first
The distance between the end face of one end in straight line yoke portion 11 is equal.
Further, the first sub- tooth boot portion 131 is being turned to the first teeth portion 12 away from the one of first straight line yoke portion 11
Before the position of the end face alignment at end, along the first winding slot 14 between adjacent the first teeth portion 12 and the second teeth portion 22
The diagonal extension of rectangular area；Second sub- tooth boot portion 231 is being turned to the second teeth portion 22 away from second straight line yoke portion 21
Before the position of the end face alignment of one end, along the second winding slot between adjacent the first teeth portion 12 and the second teeth portion 22
The diagonal extension of rectangular area.For example, as shown in figure 3, the first sub- tooth boot portion can be made in the prefabricated stator punching 100 of punching
131 along corresponding rectangular area diagonal extension, and the second sub- tooth boot portion 231 is along the diagonal extension of corresponding rectangular area.By
This, can increase the length of the first sub- tooth boot portion 131 and the second sub- tooth boot portion 231, so that motor performance can be obtained further
Improve.
First straight line yoke portion 11 is provided with along spaced multiple first bufferings of length direction in first straight line yoke portion 11
Groove 111；Second straight line yoke portion 21 is provided with along spaced multiple second dashpots of length direction in second straight line yoke portion 21
211.Specifically, for example, as Figure 1-Figure 5, each the first dashpot 111 and each big bodily form of the second dashpot 211
As isosceles triangle shape, each first dashpot 111 runs through first straight line yoke along the thickness direction in first straight line yoke portion 11
Portion 11, each second dashpot 211 along second straight line yoke portion 21 thickness direction run through second straight line yoke portion 21, and each first
The opening of dashpot 111 is located at the side wall with the same side of the first teeth portion 12 in first straight line yoke portion 11, each second dashpot 211
Opening positioned at second straight line yoke portion 21 the side wall with the same side of the second teeth portion 22, have between two neighboring first teeth portion 12
One the first dashpot 111, has second dashpot 211 between two neighboring second teeth portion 22.First dashpot 111 is excellent
Bit selecting is preferably placed at the center of two neighboring second teeth portion 22 in the center of two neighboring first teeth portion 12, the second dashpot 211.
Thus, by setting the first dashpot 111 and the second dashpot 211, first straight line yoke portion 11 and second straight line yoke can be buffered
The metal tension force that portion 21 produces during bending, reduces the deflection of prefabricated stator punching 100.
Prefabricated stator punching 100 according to embodiments of the present invention, is easy to coiling, improves copper factor.Wherein it is possible to directly
In the first teeth portion 12 and/or the second teeth portion 22 using winding machines by line coiling to prefabricated stator punching 100, it is also possible to first will
Line coiling covers be filled in the first teeth portion 12 of prefabricated stator punching 100 and/or the second teeth portion 22 again to after on insulation coil holder.
The stator punching (not shown) of embodiment according to a second aspect of the present invention, by according to above-mentioned first aspect of the invention
The prefabricated stator punching 100 of embodiment is made.
Specifically, stator punching is spliced by the first punching section 1 for the second punching section separate of prefabricated stator punching 100
Form, or be spliced by the second punching section for the first punching section 1 separate of prefabricated stator punching 100, or by prefabricated stator
The first punching section 1 separated from one another and the second punching section of punching 100 are spliced.That is, stator punching can only by
First punching section 1 is spliced, it is also possible to be only spliced by the second punching section, or can be by the first punching section 1 and second
Punching section is spliced jointly.
Wherein, the first sub- tooth boot portion 131 is turned to corresponding first teeth portion 12 away from the one of first straight line yoke portion 11
The position of the end face alignment at end, the second sub- tooth boot portion 231 is turned to corresponding second teeth portion 22 away from second straight line yoke portion
The position of the end face alignment of 21 one end.
Stator punching according to embodiments of the present invention, the low cost of manufacture of stator punching, coiling copper factor is high, when stator punching
Piece is applied to when on motor, can be with the performance of lifting motor.
The stator (not shown) of embodiment, is implemented by according to above-mentioned second aspect of the invention according to a third aspect of the present invention
The stator punching of example is stacked to be formed.
Specifically, for example, stator punching can include the first stator punching and the second stator punching, the first stator punching
It is spliced by the first punching section 1 for the second punching section separate of prefabricated stator punching 100, the second stator punching by formulating in advance
The the second punching section for the first punching section 1 separate of sub- punching 100 is spliced.
Wherein, stator can be interlocked to be stacked by the first stator punching and the second stator punching and be formed, or, multiple first determine
Sub- punching and multiple second stator punchings are sequentially stacked and form.Thus, it is possible to improve the first sub- tooth boot portion 131 and the second sub- tooth boots
The intensity in portion 231, so as to extend the service life of stator.
Stator according to embodiments of the present invention, the low cost of manufacture of stator, when stator is applied on motor, can be lifted
The performance of motor.
The motor (not shown) of embodiment according to a fourth aspect of the present invention, including：Rotor and stator, stator are according to this
Invent the stator of above-mentioned third aspect embodiment.Wherein, stator is located in rotor or rotor is located in stator.
Motor according to embodiments of the present invention, the performance of motor is lifted.
Other compositions of motor according to embodiments of the present invention and operation are all to those skilled in the art
Know, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the invention or example.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or spy
Point can in an appropriate manner be combined in one or more any embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
Can these embodiments be carried out with various changes, modification, replacement and modification in the case of departing from principle of the invention and objective, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of prefabricated stator punching, it is characterised in that including：
First punching section, first punching section includes the first straight line yoke portion of bent camber, along the first straight line yoke
Multiple first teeth portion and be located at first teeth portion that the length direction in portion is disposed in the first straight line yoke portion
Away from the first tooth boot portion of the one end in the first straight line yoke portion, the first winding slot is limited between adjacent first teeth portion, it is described
First tooth boot portion includes two the first sub- tooth boot portions, and the first sub- tooth boot portion is located at the end of described one end of first teeth portion
In face or first winding slot and it can turn to the end with described one end of first teeth portion relative to first teeth portion
In face of neat position；With
Second punching section, second punching section includes the second straight line yoke portion of bent camber, along the second straight line yoke
Multiple second teeth portion and be located at second teeth portion that the length direction in portion is disposed in the second straight line yoke portion
Away from the second tooth boot portion of the one end in the second straight line yoke portion, the second winding slot is limited between second adjacent teeth portion, it is described
Second tooth boot portion includes two the second sub- tooth boot portions, and the second sub- tooth boot portion is located at the end of described one end of second teeth portion
In face or second winding slot and it can turn to the end with described one end of second teeth portion relative to second teeth portion
In face of neat position；
Wherein, first teeth portion is stretched into second winding slot and the first sub- tooth boot portion is located at first teeth portion
Between described one end and the inwall of second winding slot or between adjacent first teeth portion and second teeth portion, second tooth
Portion stretches into first winding slot and the second sub- tooth boot portion is located at described one end and described first of second teeth portion
Between the inwall of winding slot or between adjacent first teeth portion and second teeth portion.
2. prefabricated stator punching according to claim 1, it is characterised in that the first sub- tooth boot portion is rotatably coupled
End face and the intersection of side wall in described one end of first teeth portion；
The second sub- tooth boot portion is rotatably connected to the end face of described one end and the intersecting for side wall of second teeth portion
Place.
3. prefabricated stator punching according to claim 2, it is characterised in that the first sub- tooth boot portion is being turned to and institute
It is parallel with the first straight line yoke portion before the position of the end face alignment for stating described one end of the first teeth portion；
The second sub- tooth boot portion before the position alignd with the end face of described one end of second teeth portion is turned to institute
State second straight line yoke portion parallel.
4. prefabricated stator punching according to claim 1, it is characterised in that the first sub- tooth boot portion is rotatably coupled
On the side wall of first teeth portion and adjacent to the end face of described one end of first teeth portion；
The second sub- tooth boot portion is rotatably connected on the side wall of second teeth portion and adjacent to the institute of second teeth portion
State the end face of one end.
5. prefabricated stator punching according to claim 4, it is characterised in that the first sub- tooth boot portion is being turned to and institute
State the first teeth portion described one end end face alignment position forward position described in the first winding slot positioned at adjacent described first
The diagonal extension of the rectangular area between teeth portion and second teeth portion；
The second sub- tooth boot portion is turning to the forward position institute of the position alignd with the end face of described one end of second teeth portion
State the diagonal extension of the rectangular area between adjacent first teeth portion and second teeth portion of the second winding slot.
6. the prefabricated stator punching according to any one of claim 1-5, it is characterised in that in the first straight line yoke portion
It is provided with along spaced multiple first dashpots of length direction in the first straight line yoke portion；
The second straight line yoke portion is provided with along spaced multiple second bufferings of length direction in the second straight line yoke portion
Groove.
7. a kind of stator punching that prefabricated stator punching as any one of claim 1-6 is made, it is characterised in that institute
Stator punching is stated to be spliced by the first punching section for second punching section separate of the prefabricated stator punching, or by institute
The the second punching section for first punching section separate for stating prefabricated stator punching is spliced, or by the prefabricated stator punching
First punching section separated from one another and the second punching section be spliced, wherein the first sub- tooth boot portion turn to it is corresponding
The position of the end face alignment of described one end of first teeth portion, the second sub- tooth boot portion is turned to and corresponding described second
The position of the end face alignment of described one end of teeth portion.
8. a kind of stator, it is characterised in that the stator is formed by stator punching according to claim 7 is stacked.
9. stator according to claim 8, it is characterised in that the stator punching is included by the prefabricated stator punching
The first punching the first stator punching for being spliced of section for second punching section separate and by the prefabricated stator punching
The second stator punching that the second punching section for first punching section separate is spliced,
Wherein described stator by first stator punching and second stator punching interlock it is stacked form, or multiple described the
One stator punching and multiple second stator punchings are sequentially stacked and form.
10. a kind of motor, it is characterised in that including：
Rotor；With
Stator according to claim 8 or claim 9, wherein the stator be located in the rotor or the rotor be located at it is described fixed
In sub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510195347.0A CN104753204B (en) | 2015-04-22 | 2015-04-22 | Prefabricated stator punching and the stator punching with it, Stator and electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510195347.0A CN104753204B (en) | 2015-04-22 | 2015-04-22 | Prefabricated stator punching and the stator punching with it, Stator and electrical machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104753204A CN104753204A (en) | 2015-07-01 |
| CN104753204B true CN104753204B (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510195347.0A Active CN104753204B (en) | 2015-04-22 | 2015-04-22 | Prefabricated stator punching and the stator punching with it, Stator and electrical machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104753204B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130232A (en) * | 2018-10-30 | 2020-05-08 | 广东威灵电机制造有限公司 | Stator core, motor stator and motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621221A (en) * | 2008-05-16 | 2010-01-06 | 株式会社富士通将军股份有限公司 | Electrical motor and method for manufacturing the same |
| CN102959833A (en) * | 2010-06-25 | 2013-03-06 | 三菱电机株式会社 | Laminated core for dynamo-electric machine |
| CN204089360U (en) * | 2014-07-30 | 2015-01-07 | 广东威灵电机制造有限公司 | Stator punching |
| CN104362776A (en) * | 2014-10-31 | 2015-02-18 | 广东威灵电机制造有限公司 | Prefabricated stamped sheet, stator and stamped sheet thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006288096A (en) * | 2005-03-31 | 2006-10-19 | Fujitsu General Ltd | Stator core and its manufacturing method |
| JP5258944B2 (en) * | 2011-09-06 | 2013-08-07 | 三菱電機株式会社 | Electric motor and method of manufacturing split stator core |
-
2015
- 2015-04-22 CN CN201510195347.0A patent/CN104753204B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621221A (en) * | 2008-05-16 | 2010-01-06 | 株式会社富士通将军股份有限公司 | Electrical motor and method for manufacturing the same |
| CN102959833A (en) * | 2010-06-25 | 2013-03-06 | 三菱电机株式会社 | Laminated core for dynamo-electric machine |
| CN204089360U (en) * | 2014-07-30 | 2015-01-07 | 广东威灵电机制造有限公司 | Stator punching |
| CN104362776A (en) * | 2014-10-31 | 2015-02-18 | 广东威灵电机制造有限公司 | Prefabricated stamped sheet, stator and stamped sheet thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104753204A (en) | 2015-07-01 |
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