CN108696004A - Electric rotating machine - Google Patents
Electric rotating machine Download PDFInfo
- Publication number
- CN108696004A CN108696004A CN201810228242.4A CN201810228242A CN108696004A CN 108696004 A CN108696004 A CN 108696004A CN 201810228242 A CN201810228242 A CN 201810228242A CN 108696004 A CN108696004 A CN 108696004A
- Authority
- CN
- China
- Prior art keywords
- tooth
- bobbin winder
- winder bracket
- steel plate
- leaf spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/12—Machines characterised by the bobbins for supporting the windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
In coiled coil on bobbin winder bracket when streaming current, the between the two generation gap different in coefficient of thermal expansion because of temperature rise.At this point, when bobbin winder bracket is vibrated because of electric and magnetic oscillation, friction and noise occur between stator core, leads to the abrasion and destruction of bobbin winder bracket, in the viewpoint of long-term reliability not preferably.Then, the concentration that bobbin winder bracket also can be steadily fixed the purpose of the present invention is to provide a kind of temperature change in operating and electric and magnetic oscillation winds motor with permanent magnet.In order to solve the above problems, electric rotating machine of the invention includes:Stator with the tooth for forming steel plate stacking;Rotor with rotor core is arranged with permanent magnet wherein the rotor core is made up of stacked steel plate on the face opposite with the tooth;And the bearing between the stator and the rotor is configured, the bobbin winder bracket for the substantially quadrangle tubular for having wound coil is installed on the tooth, the leaf spring contacted with the bobbin winder bracket is provided on the end plate of steel plate for constituting the tooth.
Description
Technical field
The present invention relates to provided with the motor for concentrating convolute coil, more particularly to the bobbin winder bracket for having wound coil is inserted into
The electric rotating machine of the structure of stator tooth.
Background technology
In the concentration winding motor with permanent magnet for configuring the surface magnet type of permanent magnet in rotor surface, usually in stator iron
Coiled coil in config set on the tooth of core, but at this point, in order to keep the insulation of tooth and coil reliable, and in order to make coil be easy
Winding, uses the bobbin winder bracket being made of resin between tooth and coil mostly.
For example, in the abstract of description and Fig. 3 of patent document 1, disclose in order to " not by bobbin winder bracket and stator core
The larger impact of dimensional accuracy easily obtains the fixation of bobbin winder bracket and stator core in their assembling ", and " have
Periphery is wound with the bobbin winder bracket of coil and the bobbin winder bracket is inserted into the motor of the stator core of teeth portion, and above-mentioned bobbin winder bracket includes:
The internal face shape for the substantially tubular being generally corresponding to the peripheral shape of above-mentioned teeth portion;Extend in above-mentioned tooth direction of insertion,
Near the stator iron core tooth direction of insertion end of above-mentioned internal face, the overhead height in vertical direction section and the width of base portion with
Close to the end and continuously increased at least one protrusion " motor.
Moreover, as the paragraph 0013 of the document is illustrated, in bobbin winder bracket when insertion tooth, bobbin winder bracket inner surface is dashed forward
The top in the portion of rising is cut by tooth, and the contact area of protrusion and tooth increases, and friction coefficient between the two increases, be achieved in around
The fixation of coil holder and tooth.
Existing technical literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2015-119537 bulletins
Invention content
The subject that the invention solves
In above patent document 1, the protrusion of bobbin winder bracket inner surface is moderately cut and improves friction between the two
Power, thus, it is possible to not by bobbin winder bracket and stator core size precision larger impact and realize the fixation of bobbin winder bracket and tooth.
But and then require improve assemblability and the stability for temperature change, electric and magnetic oscillation in movement rotation
Motor.
A technical solution to solve project
In order to solve the above problems, electric rotating machine of the invention includes:The present invention electric rotating machine include:With by steel plate
The stator of the tooth of stacking and formation;Rotor with rotor core, wherein the rotor core is made up of stacked steel plate,
It is arranged with permanent magnet on the face opposite with the tooth;And the bearing between the stator and the rotor is configured, in the tooth
On the bobbin winder bracket of the substantially quadrangle tubular for having wound coil is installed, be provided on the end plate of steel plate for constituting the tooth and institute
State the leaf spring of bobbin winder bracket contact.
In addition, including:Stator with the tooth for forming steel plate stacking;Rotor with rotor core, wherein described
Rotor core is made up of stacked steel plate, and permanent magnet is arranged on the face opposite with the tooth;With configuration in the stator
With the bearing between the rotor, the bobbin winder bracket for the substantially quadrangle tubular for having wound coil is installed on the tooth, described
The inner surface of bobbin winder bracket is provided with the leaf spring with the end plate contact for the steel plate for constituting the tooth.
Invention effect
According to the present invention, even if can if forming the thickness of electromagnetic steel plate of stator core there are in the case of error
With the flexure absorption for the leaf spring being arranged on the tooth error, so can be easy and stator core suitably be fixed on bobbin winder bracket
On.
In addition, even if because of the temperature change in motor operation, bobbin winder bracket thermally expands and change in size, also because of leaf spring
Recuperability continue, leaf spring follow the thermal expansion of bobbin winder bracket and press bobbin winder bracket, so between will not being generated between bobbin winder bracket
Gap.
In turn, even if because the inner surface of leaf spring pressing bobbin winder bracket rubs if the electromagnetic force in operating is applied to bobbin winder bracket
The generation of noise and abrasion can be inhibited so bobbin winder bracket will not be moved because of electric and magnetic oscillation by wiping power bigger, keep electronic for a long time
The quality and reliability of machine.
Description of the drawings
Fig. 1 is the longitudinal section of the concentration winding motor with permanent magnet of embodiment 1.
Fig. 2 is the cross-sectional view of the concentration winding motor with permanent magnet of embodiment 1.
Fig. 3 is the stereogram of the tooth of the stator core of embodiment 1.
Fig. 4 is the plan view of the bobbin winder bracket in the insertion tooth of embodiment 1.
Fig. 5 is the sectional view for the bobbin winder bracket of embodiment 1 being inserted into tooth.
Fig. 6 is the enlarged drawing of the contact site of the bobbin winder bracket of Fig. 5 and the end plate of stator core.
Fig. 7 is the amplification stereogram of the tooth of the stator core of embodiment 2.
Fig. 8 is the plan view of the bobbin winder bracket in the insertion tooth of embodiment 2.
Fig. 9 is the sectional view for the bobbin winder bracket of embodiment 2 being inserted into tooth.
Figure 10 is the amplification stereogram of the tooth of the stator core of embodiment 3.
Figure 11 is the plan view of the bobbin winder bracket in the insertion tooth of embodiment 4.
Specific implementation mode
The concentration for applying the embodiment of the present invention with description of the drawings below winds motor with permanent magnet.
[Embodiment 1]
First, illustrate that the concentration of embodiment 1 winds motor with permanent magnet with Fig. 1~Fig. 6.Fig. 1 is the concentration of the present embodiment
The longitudinal section of motor with permanent magnet is wound, Fig. 2 is the cross-sectional view on the Section A-A of Fig. 1.In addition, Fig. 3 indicates stator core
The stereogram of 21 tooth 212, Fig. 4 indicate that the plan view of the bobbin winder bracket 30 in insertion tooth 212, Fig. 5 expressions are inserted into tooth 212
The sectional view of bobbin winder bracket 30, Fig. 6 indicate the enlarged drawing of bobbin winder bracket 30 and the contact site of the end plate of stator core 21.
As shown in Figure 1 or 2, the present embodiment concentration winding motor with permanent magnet 100 mainly include rotor 1 and stator 2,
Rotary shaft of the rotor 1 using bearing 13 around stator 2 rotates.
In the inside of rotor 1, such as it is 55mm to install thickness made of the electromagnetic steel plate stacking 110 by thickness 0.5mm
Substantially a ring-shaped rotor core 11, permanent magnet 12 is equally spaced arranged in inner circumferential surface.In addition, in the frame of stator 2
On 23, by with rotor core 11 relatively in a manner of, such as the stacking of the electromagnetic steel plate by thickness 0.5mm 100 is installed and is formed
Thickness 50mm stator core 21.The stator core 21 is as shown in Fig. 2, by substantially a ring-shaped core-back 211 and outside it
The tooth 212 of the substantially rectangular parallelepiped of side radiation configuration is constituted, and coil 22 is wound on each tooth 212.In addition, stator core 21 can
To be that generally fan-shaped electromagnetic steel plate combination is multiple into substantially a ring-shaped, can also use individually at substantially a ring-shaped electromagnetic steel
Plate.
Although being omitted in Fig. 1, Fig. 2, it is provided with aftermentioned bobbin winder bracket 30 between coil 22 and tooth 212, is made with it
Coil 22 insulate with tooth 212, and is not influenced ground by the cumulative size of the thickness error for the electromagnetic steel plate for constituting tooth 212, will be each
Coil 22 maintains predetermined size, specified position.
In addition, in Fig. 1, Fig. 2, instantiate make rotor 1 be outer rotor, stator 2 is opening slot structure, and is to concentrate volume
Around, rectangular permanent magnet, the concentration winding motor with permanent magnet of number of poles 40, slot number 48 (number of poles and the ratio of slot number be 10 to 12), but
The applicable object of the present invention is without being limited thereto, and each condition such as number of poles can suitably change.
Then, the structure of the tooth 212 of the stator core 21 of the present embodiment is illustrated with the stereogram of Fig. 3.As shown here, respectively
Tooth 212 be by the radial protruding portion lamination of electromagnetic steel plate, made of 214 integration of rivet, at the end positioned at its top
On plate, there is the leaf spring 213 for exerting a force to aftermentioned bobbin winder bracket 30.The leaf spring 213 is by the substantial middle of the end plate of tooth 212
It is being cut off with substantially U-shaped, tooth 212 tip side connection, the leaf spring of cantilever design that is detached in root side.
Then, the structure of the bobbin winder bracket installed on tooth 212 30 is illustrated with the plan view of Fig. 4.Wherein, (a) of Fig. 4 is indicated
Plan view from the side of bobbin winder bracket 30, (b) of Fig. 4 indicate the plan view from the sides B of (a) of Fig. 4, (c) of Fig. 4
Indicate that the plan view from the sides C of (a) of Fig. 4, (d) of Fig. 4 indicate that the D sectional views of (a) of Fig. 4, (e) of Fig. 4 indicate Fig. 4
(c) E sectional views.
As shown in (a), (d), (e) of Fig. 4, bobbin winder bracket 30 mainly by top plate 303, bottom plate 304, side plate 305,306 this four
The composition of flange part 302 of the part of substantially quadrangular barrel, the flange part 301 of tip side, root side that sheet is constituted.In addition, pushing up
The top surface of plate 303 more leans on root side to have substantially cylindric coil guide protrusion 307 in the flange part 302 than root side,
Substantially central portion in its bottom surface has the step 309 across entire width.On the other hand, it is prominent not have coil guiding for bottom plate 304
Rise and step, be flat shape.
In addition, (b), (c) such as Fig. 4 are shown, the flange part 301 of tip side is configured with flange, root on four sides of opening
Three sides of the flange part 302 of side other than top margin are configured with flange.In addition, as shown in (c) of Fig. 4, in the top surface of top plate 303,
Configured with guided for the lead position to coil 22,2 substantially cylindric coil guide protrusions 307 and at it
The coil guide protrusion 308 of the screen shape of center setting.
Then, before illustrating that the bobbin winder bracket 30 that will be wound with coil 22 is inserted into the tooth 212 of stator core 21 with the sectional view of Fig. 5
State afterwards.In addition, (a) of Fig. 5 is 212 respective sectional view of bobbin winder bracket 30 and tooth, (b) of Fig. 5 is to be inserted into bobbin winder bracket 30
To the sectional view of the state of tooth 212.
As shown in (a) of Fig. 5, on the bobbin winder bracket 30 of substantially quadrangle tubular, it is wound between flange part 301 and 302
The coil 22 of necessary the number of turns.In addition, the shape that bobbin winder bracket 30 is opposite with the leaf spring 213 of stator core 21 in the step 309 of top plate 303
Tooth 212 is inserted under state.In addition, though be not shown in Fig. 5, but from the lead position that coil 22 extends via coil guide portion
307 connect with other coils, the tie lines of neutral point, motor lead line etc..
In addition, as shown in (b) of Fig. 5, in bobbin winder bracket 30 when insertion tooth 212, leaf spring 213 and the bobbin winder bracket 30 of tooth 212
Inner surface contact and the opening side end that exert a force, and become leaf spring 213 enter bobbin winder bracket 30 inner surface step 309
State, the bobbin winder bracket 30 near step 309 are had an effect with frictional force at the contact surface of leaf spring 213, realize bobbin winder bracket 30 with
The fixation of tooth 212.In addition, after bobbin winder bracket 30 is inserted into, even if if the extracting bobbin winder bracket 30 because end of leaf spring 213 is by coiling
The step 309 of frame 30 stops, so cannot be pulled easily out.
Then, the action for being inserted into front and back leaf spring 213 is described in more detail with Fig. 6.
(a) of Fig. 6 indicates that bobbin winder bracket 30 is inserted into the state of leaf spring 213 preceding and in insertion.As shown here, by bobbin winder bracket
When 30 insertion tooth 212, inserted in the state that the leaf spring 213 of tooth 212 is pressed compared with original state by the top plate 303 of bobbin winder bracket 30
Enter.
(b) of Fig. 6 indicates that bobbin winder bracket 30 is inserted into the state for neutralizing the leaf spring after being inserted into.As shown here, bobbin winder bracket 30
When step 309 passes through the end of leaf spring 213, the leaf spring 213 being pressed restores, and becomes the inner surface that firmly N presses bobbin winder bracket 30
State, bobbin winder bracket 30 is fixed on tooth 212.In addition, because the end of leaf spring 213 is engaged with step 309, become i.e.
The state for making bobbin winder bracket 30 to be extracted that can not extract.In addition, prevent bobbin winder bracket 30 from extracting with step 309 in fig. 4 to fig. 6, but
In addition prepare in the case of preventing from extracting structure, can not also step 309 be set in the inner surface of bobbin winder bracket 30.
In addition, the pressing force N to leaf spring 213 is investigated.
In motor operation because concentrating the electric current that flows in coiled coil 22, electromagnetic force by bobbin winder bracket 30 to
It is acted on the direction in direction or extraction that tooth 212 is pushed into.Hereinafter, maximum electromagnetic force when setting current maxima is Fe.
On the other hand, if the power that leaf spring 213 presses the inner surface of bobbin winder bracket 30 is N, when the friction coefficient of contact surface is μ,
Frictional force Fb is expressed with formula 1.
Fb=μ N ... formulas 1
The formula 1 is deformed to obtain formula 2.
N=Fb/ μ ... formulas 2
The frictional force Fb that bobbin winder bracket 30 will not move in order to obtain, makes frictional force Fb>Electromagnetic force Fe.Based on this differ
Formula and formula 2, the pressing force N needed for leaf spring 213 can use formula 3 to express.As long as that is, design leaf spring 213 with meeting the formula.
N>Fe/ μ ... formulas 3
The concentration of the present embodiment from the description above winds motor with permanent magnet, can not be by the tooth 212 for constituting stator 2
Electromagnetic steel plate thickness error cumulative size influence ground, coiled coil 22 on tooth 212 is maintained into predetermined size and rule
Positioning is set, and the unevenness of motor performance can be inhibited.In addition, even if when motor uses bobbin winder bracket 30 thermally expand when if because
It is pressed by the leaf spring 213 of tooth 212 for the inner surface of bobbin winder bracket 30, so even if bobbin winder bracket 30 is being pressed into tooth 212 by electromagnetic force
Direction or extraction direction on the case where acting on, can also inhibit the movement of bobbin winder bracket 30.In turn, because of the plate of tooth 212
Spring 213 is engaged with the step 309 of bobbin winder bracket 30, so bobbin winder bracket 30 can be prevented to be accidentally withdrawn.
In addition, instantiated in the present embodiment concentration winding motor with permanent magnet, but for do not use permanent magnet but with around
Group forms the motor or generator in magnetic field, can be obtained using same structure as long as long as using bobbin winder bracket 30 in concentrating winding
To same effect.In addition, showing outer rotor in embodiment, but can also be obtained with same structure in the case of internal rotor
To same effect.
[Embodiment 2]
Then, illustrate that the concentration for applying the embodiment of the present invention 2 winds motor with permanent magnet with Fig. 7 to Fig. 9.In addition,
For omitting repeated explanation with the common point of embodiment 1.
In embodiment 1, leaf spring 213 at 1 are provided on each tooth 212, but kept relative to tooth 212 in bobbin winder bracket 30 to be made
Horizontal situation and in the case of increasing frictional force Fb, can also use the structure for being provided with the above leaf spring 213 at 2.
Specifically, as shown in fig. 7, in the tooth 212 of the present embodiment, multiple leaf springs 213 are provided on end plate.In addition,
As shown in (a) (d) (e) of Fig. 8, in the bobbin winder bracket 30 of the present embodiment, the bottom surface of top plate 303 is provided with multiple wedge-shaped steps
(difference of height) 310.
Then, when being inserted into the bobbin winder bracket 30 of Fig. 8 to the tooth of Fig. 7 212, as shown in (a) (b) of Fig. 9, the interior table of bobbin winder bracket 30
Each step 310 in face engages with each leaf spring 213 of tooth 212, thus enables that bobbin winder bracket 30 keeps water relative to tooth 212
It is flat, and frictional force can be increased compared with the structure of embodiment 1, so can tooth be more stably mounted to bobbin winder bracket 30
On 212, the reliability of stator 2 and motor can be further increased.
In addition, the inner surface used in the present embodiment in bobbin winder bracket 30 is arranged multiple relatively narrow steps 310, respectively undertakes
Than the structure of the 309 smaller load of step of embodiment 1, but can also use similarly to Example 1 across in bobbin winder bracket 30
The step 310 of the entire width in surface.
[Embodiment 3]
Then, illustrate that the concentration for applying the embodiment of the present invention 3 winds motor with permanent magnet with Figure 10.In addition, for
Repeated explanation is omitted with the common point of above-described embodiment.
In embodiment 1,2, the leaf spring that cantilever is formed by cutting off the end plate of tooth 212 substantially U-shaped is used
213, the structure of fixed bobbin winder bracket 30 is thus pressed from inner surface, but in the present embodiment, using being arranged on entire width across tooth 212
End plate the leaf spring 213 that shapes of mountain peak shape (or corrugated) ground, thus fix the structure of bobbin winder bracket 30.
According to the present embodiment, the height of mountain peak shape, the pressing force of bending radius adjustment leaf spring 213 can be used, so can
End plate is set to have the function of leaf spring in the same manner as embodiment 1,2.In addition, in Figure 10, show that mountain peak shape is 1 leaf spring 213,
But make bobbin winder bracket 30 relative to 212 holding level of tooth in the case of, embodiment 2 can also be copied, increased using by mountain peak shape
To 2 or more structures.
In addition, in Figure 10, as the end plate of stator core 21, continue to use and the electromagnetic steel plate same shape other than end plate
Plate, so when the tooth 212 to end plate implements the forming of mountain peak shape, the tooth top end of end plate becomes the tooth top with other electromagnetic steel plates
Compare the shape retreated to root side in end.Therefore, even if the coiling installed on the height of the mountain peak shape of leaf spring 213 and tooth 212
The degree of the thermal expansion of frame 30 correspondingly changes, and the movement of the tooth top end of end plate is also in the model of the tooth of other electromagnetic steel plates 212
In enclosing, so can prevent the tooth top end of end plate from protruding compared with the tooth top end of other electromagnetic steel plates and being arranged on rotor 1
The permanent magnet 12 of row contacts such accident and occurs.
[Embodiment 4]
Then, illustrate that the concentration for applying the embodiment of the present invention 4 winds motor with permanent magnet with Figure 11.In addition, for
Repeated explanation is omitted with the common point of above-described embodiment.
In above-described embodiment, presses the inner surface of bobbin winder bracket 30 with the leaf spring 213 being arranged on the tooth 212 of stator 2 and fix
Bobbin winder bracket 30, but in the present embodiment, the leaf spring 311 being arranged on the inner surface with bobbin winder bracket 30 fixes bobbin winder bracket by knob 212
30。
Figure 11 is the plan view for the leaf spring 311 being arranged on the bobbin winder bracket 30 for illustrate the present embodiment.As shown here, in this reality
The bottom surface for applying the top plate 303 of the bobbin winder bracket 30 of example is provided with the leaf spring 311 with 213 same shape of the leaf spring of embodiment 1.Then,
It, can be similarly to Example 1 by bobbin winder bracket 30 with the frictional force that the leaf spring 311 pressing occurs on the tooth 212 of stator 2
It is fixed on tooth 212.In addition, setting leaf spring 311 as a result, be the present embodiment bobbin winder bracket 30 become omit compared with Example 1
Complicated shape, so 3D printer can also be used in the forming of bobbin winder bracket 30.
In the case of using bobbin winder bracket 30 illustrated in fig. 11, leaf spring 213 need not be set on tooth 212, so for
The end plate of tooth 212 can continue to use the electromagnetic steel plate of other layers.That is, it is different from embodiment 1,2 kinds of electromagnetic steel plates need not be laminated
And stator core 21 is constituted, so the raising of operating efficiency can be realized.
In addition, in the present embodiment, the step being engaged with the leaf spring 311 of bobbin winder bracket 30 can also be set on tooth 212.The feelings
Under condition, only the electromagnetic steel plate lamination for the same shape for being provided with opening in the component being engaged with leaf spring 311 can be formed and wanted
The step asked can also realize operation compared with Example 1 so in the case where use makes the structure that leaf spring is engaged with step
The raising of efficiency.
In addition, the present invention is not limited to above-described embodiment, including various modifications example.For example, above-described embodiment is in order to easy
In understand illustrate the present invention and be described in detail, be not limited to the entire infrastructure that must have explanation.In addition, can be by certain
A part for the structure of a embodiment is replaced into the structure of other embodiment, also can add it in the structure of some embodiment
The structure of his embodiment.In addition, for the structure of each embodiment, it can add, delete, replace other structures.
Reference sign
100 ... concentrate winding motor with permanent magnet,
1 ... rotor,
11 ... rotor cores,
12 ... permanent magnets,
13 ... bearings,
2 ... stators,
21 ... stator cores,
211 ... core-backs,
212 ... teeth,
213 ... leaf springs,
22 ... coils,
23 ... frames,
30 ... bobbin winder brackets,
301,302 ... flange parts,
303 ... top plates,
304 ... bottom plates,
305,306 ... side plates,
307,308 ... coil guide protrusions,
309,310 ... steps,
311 ... leaf springs.
Claims (6)
1. a kind of electric rotating machine, which is characterized in that including:
Stator with the tooth for forming steel plate stacking;
Rotor with rotor core, wherein the rotor core is made up of stacked steel plate, in the face opposite with the tooth
On be arranged with permanent magnet;With
The bearing between the stator and the rotor is configured,
The bobbin winder bracket for the substantially quadrangle tubular for having wound coil is installed on the tooth,
It is provided with the leaf spring contacted with the bobbin winder bracket on the end plate of steel plate for constituting the tooth.
2. electric rotating machine as described in claim 1, it is characterised in that:
The step abutted with the leaf spring to prevent the bobbin winder bracket from falling off is provided in the inner surface of the bobbin winder bracket.
3. electric rotating machine as described in claim 1, it is characterised in that:
The leaf spring is made of the end plate for the steel plate for constituting the tooth is configured to mountain peak shape, and the top end part of the end plate is than other
Steel plate is short.
4. electric rotating machine according to any one of claims 1 to 3, it is characterised in that:
Multiple leaf springs are provided on the end plate.
5. a kind of electric rotating machine, which is characterized in that including:
Stator with the tooth for forming steel plate stacking;
Rotor with rotor core, wherein the rotor core is made up of stacked steel plate, in the face opposite with the tooth
On be arranged with permanent magnet;With
The bearing between the stator and the rotor is configured,
The bobbin winder bracket for the substantially quadrangle tubular for having wound coil is installed on the tooth,
The inner surface of the bobbin winder bracket is provided with the leaf spring with the end plate contact for the steel plate for constituting the tooth.
6. electric rotating machine as claimed in claim 5, it is characterised in that:
It is provided with the step abutted with the leaf spring to prevent the bobbin winder bracket from falling off on the end plate of steel plate for constituting the tooth.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017078108A JP2018182873A (en) | 2017-04-11 | 2017-04-11 | Rotary electric machine |
| JP2017-078108 | 2017-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108696004A true CN108696004A (en) | 2018-10-23 |
Family
ID=63844535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810228242.4A Pending CN108696004A (en) | 2017-04-11 | 2018-03-20 | Electric rotating machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2018182873A (en) |
| CN (1) | CN108696004A (en) |
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| CN111446788A (en) * | 2019-01-17 | 2020-07-24 | 本田技研工业株式会社 | Rotating electrical machine |
| CN111446786A (en) * | 2019-01-17 | 2020-07-24 | 本田技研工业株式会社 | Rotating electrical machine |
| CN111725904A (en) * | 2019-03-22 | 2020-09-29 | 日本电产株式会社 | Stator, motor, method for manufacturing stator, and method for manufacturing motor |
| CN111725903A (en) * | 2019-03-22 | 2020-09-29 | 日本电产株式会社 | Stator, motor, method for manufacturing stator, and method for manufacturing motor |
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| JP2020141501A (en) * | 2019-02-28 | 2020-09-03 | 株式会社東芝 | Stator of rotary electric machine, and rotary electric machine having the same |
| US11637470B2 (en) | 2020-01-23 | 2023-04-25 | Etel S.A. | Elastic-locking winding carrier for preformed coil assemblies of an electric motor |
| KR102413154B1 (en) * | 2020-06-26 | 2022-06-27 | 주식회사 코아오토모티브 | Stator assembly and motor including the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111446788A (en) * | 2019-01-17 | 2020-07-24 | 本田技研工业株式会社 | Rotating electrical machine |
| CN111446786A (en) * | 2019-01-17 | 2020-07-24 | 本田技研工业株式会社 | Rotating electrical machine |
| CN111446786B (en) * | 2019-01-17 | 2022-10-04 | 本田技研工业株式会社 | Rotating electrical machine |
| CN111725904A (en) * | 2019-03-22 | 2020-09-29 | 日本电产株式会社 | Stator, motor, method for manufacturing stator, and method for manufacturing motor |
| CN111725903A (en) * | 2019-03-22 | 2020-09-29 | 日本电产株式会社 | Stator, motor, method for manufacturing stator, and method for manufacturing motor |
| CN110994851A (en) * | 2019-12-16 | 2020-04-10 | 永昌控股集团有限公司 | Independent winding type motor iron core |
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| JP2018182873A (en) | 2018-11-15 |
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