CN207475295U - Stator and motor - Google Patents
Stator and motor Download PDFInfo
- Publication number
- CN207475295U CN207475295U CN201721526684.4U CN201721526684U CN207475295U CN 207475295 U CN207475295 U CN 207475295U CN 201721526684 U CN201721526684 U CN 201721526684U CN 207475295 U CN207475295 U CN 207475295U
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- China
- Prior art keywords
- stator
- stator elements
- circumferential
- housing
- core
- 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.)
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 84
- 230000011218 segmentation Effects 0.000 claims abstract description 65
- 239000011347 resin Substances 0.000 claims abstract description 45
- 229920005989 resin Polymers 0.000 claims abstract description 45
- 230000002093 peripheral effect Effects 0.000 claims description 27
- 238000000034 method Methods 0.000 description 64
- 239000000758 substrate Substances 0.000 description 20
- 239000000463 material Substances 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 13
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 8
- 238000007654 immersion Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000465 moulding Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/15—Sectional machines
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model provides a kind of stator and motor.Stator is configured to have：Multiple stator elements, they are configured to the ring-type centered on central axis；And the housing of resin, multiple stator elements are covered, each stator elements have：Segmentation iron core, outside extension of the teeth portion from core-back to radial direction；Insulating part covers segmentation iron core；And conducting wire, it is wound in teeth portion across insulating part, the exterior side surface portion radially of teeth portion is included from the first side portion that housing exposes, and adjacent core-back adjoins one another in the circumferential.
Description
Technical field
The utility model is related to stator and motors.
Background technology
In the past, it is known that there is the motor of annular stator.For example, in Japan's Publication 2000-197319 bulletins
In, stator union body obtained by being connected to multiple stator blocks by thinner wall section is obtained first.Stator block is thin by having in two side ends
Teeth portion, spiral portion and the iron core supporting part of wall portion are formed.Spiral portion is in a state that the interval between iron core supporting part is opened
Coil is wound in being obtained by spiral portion for each stator block.Circular stator is by being bent stator union body, connection iron core
Supporting part and obtain.Also, in the stator of Japan's Publication 2000-197319 bulletins, pass through iron core supporting part
Between connection, the periphery of stator becomes positive round.
But in the stator of Japan's Publication 2000-197319 bulletins, only by adjacent in the circumferential
The connection of supporting part is difficult to prevent the deviation of stator block radially, is close to positive round so as to be difficult to stator block proper alignment
Shape.
Utility model content
In view of above-mentioned situation, the purpose of this utility model is to provide a kind of technologies, can be further whole by stator elements
The neat annular shape being arranged as close to positive round.
In addition, in order to achieve the above objectives, the stator for the embodiment that the utility model illustrates is configured to have：It is multiple
Stator elements, they are configured to the ring-type centered on central axis；And the housing of resin, cover multiple stators
Part, each stator elements have：Segmentation iron core, outside extension of the teeth portion from core-back to radial direction；Insulating part covers institute
State segmentation iron core；And conducting wire, it is wound in the teeth portion, the exterior side surface portion radially of the teeth portion across the insulating part
Comprising from the first side portion that the housing exposes, the adjacent core-back adjoins one another in the circumferential.
The exterior side surface portion radially of the teeth portion also includes the second side face covered by the housing.
The exterior side surface portion radially of the teeth portion is made of the first side portion and the second side face, radially
On, the exterior side surface portion of the housing is in position identical or inside with the first side portion, and in than described second
The position of side surface part in the outer part.
In the circumferential in the adjacent stator elements, detached, the second side across the housing between the teeth portion
Circumferential end in exterior side surface portion radially of the face comprising the teeth portion.
Groove portion is formed on the exterior side surface portion radially of the housing, the groove portion is from one in the axial direction of the housing
The face of side extends in the axial direction between the first side portion of the teeth portion adjacent in the circumferential.
The groove portion is formed between the teeth portion adjacent in the circumferential.
The end of opposite side in the axial direction of the groove portion has the shape that end attenuates.
In the circumferential between the adjacent teeth portion and the groove portion, the teeth portion is covered by the housing.
The peripheral side to adjoin one another in the adjacent core-back in the circumferential is plane respectively.
In the circumferential in two adjacent core-backs, the first peripheral side of core-back and another iron
Second peripheral side opposed with first peripheral side at core back adjoins one another, and is formed in first peripheral side
There is circumferentially prominent protrusion, the recess portion being circumferentially recessed is formed in second peripheral side, the protrusion is embedded in
In the recess portion.
Motor has：The rotating part that can be rotated centered on central axis extended in the vertical direction；And with institute
State the opposed stationary part of rotating part.
In addition, in order to achieve the above objectives, the motor for the embodiment that the utility model illustrates is configured to have：Rotation
Portion can be rotated centered on central axis extended in the vertical direction；And stationary part, it includes with the rotating part
Opposed said stator.
It, can be by stator elements proper alignment into more according to the stator and motor of the embodiment that the utility model illustrates
The annular shape of the nearly positive round of adjunction.
By the detailed description of following the utility model preferred embodiment, with reference to attached drawing, it can be more clearly understood that this
Above-mentioned and other features, element, step, the features and advantages of utility model.
Description of the drawings
Fig. 1 is the sectional view for the configuration example for representing motor.
Fig. 2 is the vertical view for representing segmentation iron core.
Fig. 3 A are the vertical views for having removed the stator in the state of housing and conducting wire.
Fig. 3 B are the sectional views along the stator elements of the line A-A of Fig. 3 A.
Fig. 4 is the vertical view of the stator elements of Fig. 3 B.
Fig. 5 is arranged to the stereogram of cricoid multiple stator elements.
Fig. 6 A are the vertical views for the connection example for representing core-back adjacent in the circumferential.
Fig. 6 B are the vertical views for other connection examples for representing core-back adjacent in the circumferential.
Fig. 7 is the stereogram of ring component.
Fig. 8 is the sectional view for the structure for representing mold.
Fig. 9 A are the sectional views for the mold for having stored cricoid connection stator elements in inside from radially.
Fig. 9 B are the figures for the first mold for having stored cricoid connection stator elements in inside from end on observation.
Figure 10 is the stereogram of stator.
Figure 11 is the vertical view of stator.
Figure 12 is that the exterior side surface portion being exaggerated in stator exposes to the vertical view in external stator end portion.
Figure 13 is the plan view for illustrating the segmentation iron core formation process of the Production Example of stator.
Figure 14 is the plan view for illustrating the insulating part arrangement step of the Production Example of stator.
Figure 15 is the plan view for illustrating the Wire-wound process of the manufacturing method of stator.
Figure 16 is the sectional view for the other structures example for representing stator.
Specific embodiment
Hereinafter, the utility model embodiment illustrated is illustrated with reference to attached drawing.
In addition, in the present specification, in motor 100, the direction parallel with central axis C is known as " axial direction ".Also,
In the axial direction, " top " will be known as from stationary part 2 towards the direction of rotating part 1, it will be from rotating part 1 towards the direction of stationary part 2
Referred to as " lower section ".In addition, on the surface of each structural element, " upper surface " will be known as towards the face of axial top, it will be towards axis
Face downwards is known as " lower surface ".
In addition, the direction that will be perpendicular to central axis C is known as " radial direction ", the circumferential direction centered on central axis C is claimed
For " circumferential direction ".Also, " inside " radially, will be known as towards the direction of central axis C, will be far from the direction of central axis C
Referred to as " outside ".Also, in the side of each structural element, " inside face " will be known as towards the side of radially inner side, by direction
The side of radial outside is known as " exterior side surface portion ", will be known as " peripheral side " towards circumferential side.
In addition, position relationship and side when the address of direction knead dough discussed above not represents to be assembled in physical device
To etc..
Fig. 1 is the sectional view for the configuration example for representing motor 100.In Fig. 1, pass through the central axis C's comprising motor 100
Section cuts off motor 100.The motor 100 of Fig. 1 is the blower motor of external-rotor-type that the outdoor unit of air-conditioning has.But
The purposes of motor 100 is not limited to the example.
As shown in Figure 1, motor 100 has：Rotating part 1, along central axis C axis 10 extended in the vertical direction, quiet
Stop 2, bearing 31, bearing cage frame 32, bracket 22, substrate 4 and lead 5.
Rotating part 1 can be rotated centered on central axis C extended in the vertical direction.Rotating part 1 has：Rotating part
Holding member 11 and magnet 12.Axis 10 is mounted to the rotary shaft of rotating part 1, can together be rotated with rotating part 1.In addition, not
It is limited to the illustration, axis 10 can also be mounted to the fixing axle of stationary part 2.In addition, when axis 10 is fixing axle, in rotating part 1
In be additionally provided with bearing, which supports rotating part 1 can be rotated relative to axis 10.
Rotating part holding member 11 is to maintain the component of magnet 12.Rotating part holding member 11 includes plate portion 111 and cylinder
Portion 112.Plate portion 111 is the component of the annulus shape extended from central axis C to radial outside.Cylindrical portion 112 is the portion of tubular
Part extends from the periphery of plate portion 111 to axial lower section.Magnet 12 is held in the inside face of cylindrical portion 112, with stationary part
2 exterior side surface portion is opposed.In addition, magnet 12 can also be the component of the tubular extended in the axial direction, it can also be by being configured at week
To multiple flat thin magnets form.
Stationary part 2 has：Multiple stator elements 211, the housing 212 of resin, cricoid ring component 9 and bracket 22.Except this
Except, stationary part 2 can also include substrate 4 and lead 5.It is provided in the center radially of stationary part 2 and runs through in the axial direction
The hole portion 2a of stationary part 2.In addition, the exterior side surface portion in stationary part 2 is formed with multiple passage portions 6.
Multiple stator elements 211 are configured to the ring-type centered on central axis C, and annular shape is connected to by ring component 9.
In addition, the quantity of stator elements 211 is 12 in the present embodiment, but it is not limited to more other than the illustration or 12
It is a.Multiple stator elements 211 form cricoid stator 21 together with ring component 9 and housing 212.Each stator elements 211 have by magnetism
Segmentation iron core 7, the covering insulating part 8 of resin of segmentation iron core 7 and the conducting wire 211a that body is formed.Stator elements 211, ring component
9 and each structure of stator 21 illustrate later.
Housing 212 covers at least part of stator 21.For example, the housing 212 of resin covers multiple 211 Hes of stator elements
Ring component 9.Fix more in such manner, it is possible to which cricoid multiple stator elements 211 will be connected to by ring component 9 by housing 212
Add securely.
Bearing 31 supports axis 10 for that can rotate.In the present embodiment, for example, the sliding bearings such as spherical bearing by with
Make bearing 31.In addition, the illustration is not limited to, such as ball bearing or sleeve bearing etc. can be used for bearing 31.
Bearing cage frame 32 keeps bearing 31.Bearing cage frame 32 is configured in the hole portion 2a of stationary part 2, positioned at axis
10 lower section.Bearing cage frame 32 is not particularly limited, it is preferred that using the resin material, the rubber material that are made of insulator
Expect and formed.In such manner, it is possible to inhibit the galvano-cautery of aftermentioned bearing portion 31.
Bracket 22 is installed on the lower end of housing 212.Bracket 22 can be metal product, it is preferred that resin.For example,
The housing 212 that bracket 22 and metal segmentation iron core 7 clip the resin being made of dielectric substance is configured.Here, when bracket 22
When being metal product, such as when motor 100 carries out PWM controls, potential difference is generated between bracket 22 and segmentation iron core 7, and
It generates to follow via the path of conducting wire 211a, bearing portion 31, axis 10 and rotating part 1 back to segmentation iron core 7 from segmentation iron core 7
The electric current of ring.On the other hand, if bracket 22 is resin, the production of the electric current flowed in above-mentioned path can be prevented
It is raw.Therefore, it is possible to prevent the generation of the galvano-cautery of bearing portion 31 as caused by the electric current.In addition, when a part for passage portion 6
When (for example, aftermentioned alternate path element 6b) is set to bracket 22, compared to the situation that bracket 22 is metal product, setting is logical
The process in road portion 6 becomes easy.In addition, resin material is cheaper than metal material, therefore it can aid in the reduction of manufacture cost.
Lead 5 is electrically connected by substrate 4 with stator 21.Substrate 4 is, for example, the circuit base for the resin for being equipped with electronic unit
Plate is electrically connected with conductor 211a.In addition, being not limited to the illustration, substrate 4 for example can also be to be provided on the matrix of resin
Component as the wiring platform of lead 5.
The side (being lower face side in the present embodiment) that substrate 4 is set in the axial direction of stationary part 2.Come in more detail
It says, substrate 4 is configured in the axial downside of stationary part 2 between housing 212 and bracket 22, is installed on housing 212.Therefore,
Motor 100 is the substantially non-molding formula motor that substrate 4 is molded not over the housing 212 of resin.It is set on substrate 4
There is hole portion 4a.It is inserted from the protrusion (not shown) that ring component 9 axially protrudes into hole portion 4a.Also, the end of protrusion
Deposition is on substrate 4, and substrate 4 is kept as a result,.In addition, the quantity of hole portion 4a is 2 in the present embodiment, but it is unlimited
In the illustration or 1,3 or more multiple are can also be.
Lead 5 is the wiring being connect with substrate 4, is electrically connected via substrate 4 with stator 21.For example, lead 5 is via substrate 4
It is electrically connected with the conductor 211a of each stator elements 211.In addition, lead 5 passes through passage portion 6 and is drawn to the outside of motor 100.Separately
Outside, the quantity of lead 5 and passage portion 6 is not particularly limited, and can be 1 or multiple.
Next, stator elements 211 are illustrated.Each stator elements 211 are as described above, with segmentation iron core 7, insulating part 8
With conducting wire 211a.Fig. 2 is the vertical view of segmentation iron core 7.Fig. 3 A are the stators 21 removed in the state of housing 212 and conducting wire 211a
Vertical view.Fig. 3 B are the sectional views along the stator elements 211 of the line A-A of Fig. 3 A.Fig. 4 is the vertical view of the stator elements 211 of Fig. 3 B
Figure.Fig. 5 is arranged to the stereogram of cricoid multiple stator elements 211.
Segmentation iron core 7 is, for example, the iron core member by being formed in axially stacked stacked steel plate obtained by electromagnetic steel plate.Or
Person, segmentation iron core 7 can also be magnetic substances obtained by sintering.Each segmentation iron core 7 is individually separated being independent, does not connect directly
It connects.As shown in Fig. 2, segmentation iron core 7 has core-back 71 and teeth portion 72.Teeth portion 72 from core-back 71 to radial direction on the outside of prolong
It stretches.
Conducting wire 211a is wound in across insulating part 8 in teeth portion 72.Teeth portion 72 has tooth base portion 721 and tooth terminal part 722.Tooth
Outside extension of the base portion 721 from core-back 71 to radial direction.Tooth terminal part 722 circumferentially extends from the end of tooth base portion 721.
In addition, in the circumferential, adjacent core-back 71 adjoins one another, and (reference is fixed together by ring component 9
Fig. 3 A).At this point, in the circumferential in adjacent core-back 71, mutually opposed peripheral side 71a adjoins one another.In addition, mutually
Opposed peripheral side 71a can also locally connect each other, it is preferred that connect each other very close to each otherly.Peripheral side
71a is plane respectively.In addition, in the present embodiment, as shown in Figure 6A, the peripheral side 71a of flat shape adjoins one another, but
It is that the shape of peripheral side 71a is not limited to the illustration.For example, for core-back 71 adjacent in the circumferential, an iron core back of the body
First peripheral side in portion 71 and second peripheral side opposed with the first peripheral side of another core-back 71 adjoin one another.
At this point, as shown in Figure 6B, circumferentially prominent protrusion 711 can also be formed in the first peripheral side, in the second peripheral side
It is upper to form the recess portion 712 being circumferentially recessed.Also, protrusion 711 can also be from being circumferentially embedded in recess portion 712.In this way, for
Adjacent core-back 71 in circumferential direction, protrusion 711 are embedded in recess portion 712, and thereby, it is possible to prevent adjacent stator elements 211 in diameter
Position offset occurs upwards.In addition, by protrusion 711 and the Qian He of recess portion 712, it can be by core-back adjacent in the circumferential
71 link up.
Insulating part 8 is, for example, the insulating element of resin, makes to be electrically insulated between segmentation iron core 7 and conducting wire 211a.Insulating part 8
Such as segmentation iron core 7 is set to by insert-molding etc., cover at least part of segmentation iron core 7.Alternatively, insulating part 8
Can be arranged to 7 split of segmentation iron core, such as can also be the component for the resin for being embedded into segmentation iron core 7.
In each stator elements 211, insulating part 8 has：Connecting piece portion 80, iron core back of the body covering part, tooth covering part 82, the first wall
811 and second wall portion 812 of portion.
Connecting piece portion 80 is set to the both ends in the circumferential direction of tooth terminal part 722.In stator 21, it is configured to cricoid multiple
Stator elements 211 are connected via connecting piece portion 80.(with reference to aftermentioned Figure 14).In this way, easily stator elements 211 are neatly arranged
Arrange into the higher annular shape of roundness.Hereinafter, by being known as linking stator elements 21a in the stator elements 211 being circumferentially connected.
In stator 21, connection stator elements 21a at least have there are one adjacent stator elements 211 not over connecting piece portion 80
And connected position P.In the present embodiment, the adjacent stator elements 211 position P connected not over connecting piece portion 80 is
One.The generation origin of the position P connected not over connecting piece portion 80 at connecting piece portion 80 in will linearly link
Connection stator elements 21a bending and set circlewise.
Iron core back of the body covering part 81 covers at least part of core-back 71.Tooth covering part 82 covers at least the one of teeth portion 72
Part.In addition, tooth covering part 82 has tooth base portion covering part 821 and tooth end covering part 822.Tooth base portion covering part 821 covers
At least part of tooth base portion 721.Tooth end covering part 822 covers at least part of tooth terminal part 722.
First wall portion 811 and the second wall portion 812 axially protrude and circumferentially from iron core back of the body covering part 81.In addition,
Second wall portion 812 is set to the position that radial outside is leaned on than the first wall portion 811.In this way, in each stator elements 211, can avoid
Medial movements of the spiral 211a of tooth base portion 721 than the second wall portion 812 to radial direction is wound in across tooth base portion covering part 821.
The slot 810 extended in the circumferential is formed between the first wall portion 811 and the second wall portion 812 of each stator elements 211
(with reference to Fig. 4).In a state that adjacent core-back 71 links in the circumferential, the slot 810 of each stator elements 211 is in circumferential phase
Even, as a result, from end on observation when, cricoid groove portion 215 (ginseng is formed with centered on central axis C on connection stator elements 21a
According to Fig. 5).The aftermentioned cylindrical portion 92 of ring component 9 is inserted into groove portion 215.In this way, since cricoid connection stator can be promoted
The roundness of part 21a, therefore can be ensured that the high roundness of stator 21.
In addition, the first wall portion 811, the second wall portion 812 and groove portion 215 are set to core-back 71 in the present embodiment
Axial direction on side (such as upper surface side) and opposite side (such as lower face side) both sides, but be not limited to the illustration,
The either side that can be set in the side and opposite side in the axial direction of core-back 71.
Conducting wire 211a is electrically connected with the substrate 4 being set to inside motor 100.Conducting wire 211a is across tooth base portion covering part 821
And it is wound in tooth base portion 721.Conducting wire 211a is formed such as covering copper wire by enamel, by the metal wire that insulating element covers.
When guiding line 211a supplies driving current, the magnetic flux of radial direction is generated in segmentation iron core 7.Stator 21 makes rotating part 1 using the magnetic flux
Circumferential torque is generated, rotating part 7 is made to be rotated centered on central axis C.
Next, ring component 9 is illustrated.Cricoid ring component 9 is the high annular shape of roundness in more detail,
In the multiple core-backs 71 circumferentially arranged, multiple core-backs 71 are linked circlewise by means of insulating part 8.In this way,
In the multiple stator elements 211 being circumferentially configured, the multiple core-backs 71 circumferentially arranged pass through across the insulating part 8 of resin
Ring component 9 and link circlewise.In addition, in the circumferential in adjacent stator elements 211, as described above, adjacent segmentation iron core 7
It is detached between teeth portion 72.Therefore, in multiple stator elements 211, the magnet short-cut path between teeth portion 72 can be prevented.Therefore, it is possible to anti-
Only result from magnet short-cut path motor 100 characteristic deterioration.Furthermore it is possible to multiple segmentation iron cores 7 are made respectively.Thus, for example
Compared with the situation for making multiple segmentation iron cores 7 together, such as punching press of the making of each segmentation iron core 7 can be used in
The miniaturizations such as mold and press machine.It is thus possible to cost and homework burden when enough reducing manufacture.
Ring component 9 can also be resin, can also be the nonmagnetic metal product such as aluminium, copper, brass.
In addition, side and opposite side both sides of the ring component 9 in the axial direction of core-back 71, the iron core that will circumferentially arrange
Back 81 links circlewise.In this way, compared to the situation of the either side connection core-back 81 in side and opposite side, it can
Reduce 211 diametrical offset of stator elements.Therefore, it is possible to link more secured by multiple stator elements 211.
Alternatively, ring component 9 can also will be along week in either one in the side and opposite side in the axial direction of core-back 71
Link circlewise to the core-back 81 of arrangement.In this way, compared to the feelings for connecting core-back 71 with opposite side both sides in side
Condition can be linked multiple stator elements 211 circlewise with few number of components.In addition, the mold 200 stated after use is to ring-type
Connection stator elements 21a when being moulded, if in the axial direction of the cricoid connection stator elements 21a in being set to mold 200
200 side of mold is linked core-back 71 circlewise by ring component 9, even if the then opposite side of mold 200 not in the axial direction
By ring component 9 into joining line, it can also inhibit the position offset radially of stator elements 211.
Next, the structure of ring component 9 is illustrated.Fig. 7 is the stereogram of ring component 9.Ring component 9 has cricoid
Plate portion 91 and the cylindrical portion 92 extended in the axial direction.
Inside extension of the plate portion 91 from one end in the axial direction of cylindrical portion 92 to radial direction.In more detail, plate portion 91 is round
It is cyclic annular.It can make the strength enhancing of ring component 9 radially by plate portion 91.
Cylindrical portion 92 is inserted into the groove portion 215 of cricoid connection stator elements 21a (with reference to Fig. 5), is set to the first wall
Between 811 and second wall portion 812 of portion.At this point, radially, the exterior side surface portion of the first wall portion 811 and the medial surface of cylindrical portion 92
Portion connects.Therefore, it can prevent from being connected to movement of the cricoid each stator elements 211 to radial outside by the first wall portion 811.Cause
This, can prevent stator elements 211 from position offset occurring on, 211 proper alignment of stator elements that will can be circumferentially configured
Circlewise.
Also, when cylindrical portion 92 is inserted into groove portion 215, in the exterior side surface portion and the second wall portion 812 of cylindrical portion 92
There is gap between the face of inside.In this way, due to the exterior side surface portion of the cylindrical portion 92 of ring component 9 and the inside of the second wall portion 812
Face does not connect, therefore the second wall portion 812 will not be pressed from cylindrical portion 92 to the outside of radial direction.Therefore, it is possible to prevent due to
Cylindrical portion 92 presses the second wall portion 812 to the outside of radial direction and causes position offset of the stator elements 211 to radial outside.
Next, stator 21 is illustrated.Cricoid stator 21 is contained in stationary part 2, as described above with multiple fixed
Component 211, the housing 212 of resin and cricoid ring component 9.Stator 21 is opposed with rotating part 1 radially (with reference to Fig. 1).
In more detail, stator 21 is opposed with the magnet 12 of rotating part 1 in the radially inner side of rotating part 1.Using mold 200, tree is utilized
Fat material 212a is connected to circular connection stator elements 21a to cover by ring component 9, forms stator 21 as a result,.
First, mold 200 is illustrated.Mold 200 is made of the first mold 201 and the second mold 202.Fig. 8 is table
Show the sectional view of the structure of mold 200.Fig. 9 A are the molds for having stored cricoid connection stator elements 21a in inside from radially
200 sectional view.Fig. 9 B are the figures for the first mold 201 for having stored cricoid connection stator elements 21a in inside from end on observation.
In addition, the central axis C of the cricoid connection stator elements 21a in Fig. 9 A and Fig. 9 B is parallel with the central axis C in Fig. 1.But
In Fig. 9 A and Fig. 9 B, the lower surface of cricoid connection stator elements 21a is towards the axial top of the first mold 201.
The cricoid inner space 200a for linking stator elements 21a can be stored in being internally provided with for mold 200.First
In mold 201, upper end openings of the inner space 200a in the axial direction of the first mold 201.In the axial direction of inner space 200a
Upper end has conical by its shape, as towards axial top, opening becomes large-sized.In addition, the second mold 202 closes internal sky
Between 200a opening.
The exterior side surface portion of mold 200 is provided with inlet 200b, inlet 200b is for note in internally space 200a
Enter to form the resin component 212a of housing 212.
First mold 201 has the first protrusion 201a.First protruding portion 201a is from the bottom surface of inner space 200a to axial direction
Top protrude.When cricoid connection stator elements 21a is accommodated in the 200a of inner space, the first protrusion 201a is inserted to hole
Lower end in the axial direction of 21c, the hole 21c are formed in the center of cricoid connection stator elements 21a.
Second mold 202 has the second protrusion 202a.Second protrusion 202a is from the following table of the second mold 202 towards axial
Lower section protrudes.When cricoid connection stator elements 21a is accommodated in the 200a of inner space, the second protrusion 202a is inserted to hole 21c
Axial direction on upper end.
In addition, the first mold 201 also has multiple rib 201b.Rib 201b is from the inside face of mold 200 into radial direction
Side protrudes, and the opening from the bottom surface of inner space 200a towards mold 201 axially extends.
When cricoid connection stator elements 21a is accommodated in the 200a of inner space, as shown in Figure 9 B, each rib 201b is located at
In circumferential direction between the tooth terminal part 722 of adjacent stator elements 211.In more detail, rib 201b is located at adjacent tooth terminal part 722
Circumferential direction on end between.At this point, each rib 201b can also connect with tooth terminal part 722, it is preferred that with tooth end
Portion 722 detaches.In this way, in stator 21, can the both ends in the circumferential direction of tooth terminal part 722 be covered by housing 212.Cause
This, can reduce the exposing area of tooth terminal part 722.Water of moisture, immersion when moisture etc. is attached to the dew of tooth terminal part 722
When appearing, easily rust is generated in attachment portion.Therefore, it by reducing the exposing area of tooth terminal part 722, is not easy in tooth terminal part
722 generate rust.
In addition, the end of the axial top of rib 201b is tapering, with direction axial top, the width of circumferential direction narrows.This
Outside, the end of the axial top of rib 201b has conical by its shape, and with direction axial top, the width of radial direction narrows.In this way,
When cricoid connection stator elements 21a is accommodated in the 200a of inner space, rib 201b is easily located at tooth end adjacent in the circumferential
Between end 722.
In addition, the quantity of rib 201b is 12 identical with the quantity of stator elements 211 in the present embodiment, but it is unlimited
In the illustration or less than the quantity of stator elements 211.For example, the quantity of rib 201b can be 2,3,4 or 6
The approximate number of a grade, the quantity of stator elements 211.In this case, rib 201b preferably in the circumferential direction of inner space 200a equally spaced
Setting.
In addition, the first mold 201 also has platform portion 201c.Platform portion 201c is from the inside face orientation radial direction of mold 200
Inside protrudes.When cricoid connection stator elements 21a is accommodated in the 200a of inner space, as shown in figure 9, each stator elements 211
The end section radially of tooth terminal part 722 is placed to the upper end in the axial direction of each portion 201c.In addition, platform portion 201c
Shape is not particularly limited.Platform portion 201c is provided with 12 in the present embodiment, but is not limited to the illustration, can be from interior
The end on observation setting of portion space 200a is circlewise.
In addition, the quantity of rib 201b and the quantity of platform portion 201c are the number with stator elements 211 in the present embodiment respectively
Identical 12 are measured, but are not limited to the example, might be less that the quantity of stator elements 211.For example, the quantity and platform of rib 201b
The quantity of portion 201c can also be 2,3,4 or 6 etc., the approximate number of the quantity of stator elements 211.In this case, rib
201b and platform portion 201c are preferably equally spaced in the circumferential direction of inner space 200a.
Next, illustrate the structure of stator 21.Figure 10 is the stereogram of stator 21.Figure 11 is the vertical view of stator 21.Figure
12 be the vertical view for the lateral surface 720 for representing the tooth terminal part 722 at the exterior side surface portion 212a of housing 212.In addition, in Figure 11
In, cricoid connection stator elements 21a is represented by a dotted line.In addition, in fig. 12, point adjacent in the circumferential is represented by a dotted line
Cut iron core 7.
In the exterior side surface portion of stator 21, the one of the exterior side surface portion 720 radially of the tooth terminal part 722 of each stator elements 211
Part 720a is to expose.That is, in multiple stator elements 211, the exterior side surface portion 720 radially of teeth portion 72 is included from housing
The 212 first side portion 720a exposed.In addition, adjacent core-back 71 adjoins one another in the circumferential.
When mold 200 is used to set housing 212, a part, that is, first side portion of the exterior side surface portion 720 of teeth portion 72
720a exposes due to being abutted with the inside face of the first mold 201 from housing 212.In addition, in mold 200, divide iron
The teeth portion 71 of core 7 is pressed by the inside face of the first mold 201 to radially inner side, until core-back 71 adjacent in the circumferential
It adjoins one another.Under the state, multiple stator elements 211 can be covered by the housing 212 of resin.In such manner, it is possible to it adjusts each
The position radially of segmentation iron core 7.Therefore, it is possible to by multiple 7 proper alignments of segmentation iron core into annular shape.
In addition, in the tooth terminal part 722 of multiple stator elements 211, confession can also be provided on first side portion 720a
The recess portion (not shown) that upper part in the axial direction of the platform portion 201b of mold 200 is fitted into.In this way, it is placed by stator elements 211
When cricoid stator elements 21a is covered by housing 212 on platform portion 201b, by by platform portion 201b and first side portion
The recess portion of 720a is fitted into, and can easily carry out the positioning of stator elements 211 relative to mold 200 in the circumferential.
In addition, in multiple stator elements 211, the exterior side surface portion 720 of teeth portion 72 radially is also included to be covered by housing 212
The second side face 720b.In such manner, it is possible to the area that the exterior side surface portion 720 radially for reducing teeth portion 72 exposes from housing 212.
When moisture moisture, immerse water when the exposed surface for being attached to teeth portion 72 when, easily attachment portion generate rust.Therefore, pass through
The exposing area of teeth portion 72 is reduced, is not easy to generate in teeth portion 72 and be become rusty caused by moisture, immersion etc..
As shown in figure 12, the exterior side surface portion 720 radially of teeth portion 72 is by first side portion 720a and the second side face
720b is formed.In addition, radially, the exterior side surface portion 212a of housing 212 be in the position identical with first side portion 720a or
Person is in the position than first side portion 720a in the inner part, and in the position than the second side face 720b in the outer part.Therefore, exist
At the exterior side surface portion 212a of housing 212, first side portion 720a exposes from housing 212, but the second side face 720b not from
Housing 212 exposes.In this way, in a state that rotating part 1 is installed on stator 21, can prevent stator 21 exterior side surface portion and with
Contact or shock between the opposed magnet 12 of segmentation iron core 7.
In addition, it is detached between teeth portion 72 across housing 212 in adjacent stator elements 211 in the circumferential.Come in more detail
It says, is detached between adjacent tooth terminal part 722 in the circumferential.In addition, the second side face 720b of teeth portion 72 includes teeth portion 72
The end in the circumferential direction in exterior side surface portion 720 radially.In such manner, it is possible to prevent the magnetic between teeth portion 72 adjacent in the circumferential
Short circuit, and can reduce due to the magnetic attraction between stator 21 and rotating part 1 dependent on rotating part 1 rotation angle and arteries and veins
Move the cogging torque so as to generate.Therefore, it is possible to inhibit the Vibration Torque of the rotating part 1 when being rotated caused by cogging torque
Generation etc..
Groove portion 210a is formed in the exterior side surface portion radially of housing 212.Groove portion 210a is from the axial direction of housing 212
The face of side is risen to be extended in the axial direction between the first side portion 720a of circumferentially adjacent teeth portion 72.Groove portion 210a is formed in
In the circumferential between adjacent teeth portion 72.In this way, when mold 201 is used to set housing 212, it can be for groove portion to be formed
The rib 201b that mold 201 is set in the exterior side surface portion of housing 212 is configured to shape between teeth portion 72 adjacent in the circumferential
Under state, multiple stator elements 211 are covered by the housing 212 of resin.Therefore, by rib 201b, stator elements 211 can be adjusted
Circumferential direction on position.It, can be by multiple 211 proper alignments of stator elements into the annular shape for being more nearly positive round by the adjustment.
In addition, in the circumferential between adjacent teeth portion 72 and groove portion 210a, teeth portion 72 is covered by housing 212.In this way, in week
Teeth portion 72 will not be exposed between adjacent teeth portion 72 and groove portion 210a upwards.Therefore, it is possible to prevent the moisture at groove portion 210a
Intrusion, immersion etc..If the moisture of moisture, the water immersed etc. are attached to the exposed surface of the teeth portion 72 of groove portion 210a, easily attached
Part to get rusty.Therefore, it by preventing the exposing of the teeth portion 72 at groove portion 210a, can prevent caused by moisture, immersion etc.
The generation of rust.
There is end to attenuate the shape of (tapering) for the end of opposite side in the axial direction of groove portion 210a.In this way, it is set using
The rib 201b of mold 201 is placed in come when forming a groove 210a, rib 201b is easily detached from from groove portion 210a.
Next, an example of the manufacturing method of stator 21 is illustrated.It is accurate that the manufacturing method of stator 21 includes stator elements
Standby process and covering process.In addition, in the present embodiment, in the circumferential adjacent stator elements 211 via connecting piece portion 80 and
Connection.
In stator elements preparatory process, prepare to be wound with the stator elements of conducting wire 211a across insulating part 8 on segmentation iron core 7
211.Also, in this process, multiple stator elements 211 are connected by insulating part 8.Stator elements preparatory process includes segmentation iron core
Formation process, insulating part arrangement step and Wire-wound process.
Figure 13 is the plan view illustrated for the segmentation iron core formation process of the Production Example to stator 21.In segmentation iron
In core formation process, by laminated magnetic steel plate, multiple (being 12 in the present embodiment) segmentation iron cores 7 are formed.As magnetic
Property steel plate is such as enumerating silicon steel plate.Tegillum gathers into folds magnetic steel plate in the axial direction.The formation of segmentation iron core 7 is added using punching press
Work.In addition, being not limited to the illustration, each segmentation iron core 7 can also be formed by the sintering of magnetic material.
Multiple segmentation iron cores 7 can also be formed one by one, can also be formed together multiple.Formed multiple segmentation iron cores 7 be in
Linear arrangement.At this point, in each segmentation iron core 7, as shown in figure 13, teeth portion 72 from the direction that core-back 71 extends be identical
's.
Figure 14 is the plan view illustrated for the insulating part arrangement step of the Production Example to stator 21.Segmentation iron core shape
Into after process, insulating part arrangement step is carried out.In insulating part arrangement step, each segmentation iron core 7 is covered by insulating part 8.At this point,
Also form connecting piece portion 80.Connecting piece portion 80 is configured between tooth covering part 82 adjacent in the circumferential, by adjacent stator elements
211 is interconnected.In more detail, connecting piece portion 80 is configured between adjacent tooth end covering part 822.By the process,
As shown in figure 14, the connection that the multiple stator elements 211 formed before coiled electrical conductor 211a are connected via connecting piece portion 80 is determined
Component 21a.
In addition, in insulating part arrangement step, multiple segmentation iron cores 7 for example using resin material by insert-molding and by
Insulating part 8 covers.But the side other than insert-molding can also be used in the method that multiple segmentation iron cores 7 set insulating part 8
Method.For example, it is also possible to the following method etc.：Insulating part 8 is formed by two components, it is multiple to clamp by two components
Segmentation iron core 7.At this point, the combination of two components can use fixed component, the structure that fastening etc. can also be used chimeric.It is fixed
In component other than the secure components such as screw, bonding agent can also be included.
Figure 15 is the plan view illustrated for the Wire-wound process of the manufacturing method to stator 21.Match in insulating part
After putting process, Wire-wound process is carried out.In Wire-wound process, conducting wire 211a is wound in connection across insulating part 8 and is determined
On each segmentation iron core 7 of component 21a.Specifically, conducting wire 211a is wound in teeth portion 72 across tooth covering part 82.In more detail
For, conducting wire 211a is wound in across tooth base portion covering part 821 on tooth base portion 721.
Next, in covering process, multiple stator elements 211 are covered by resin material 212a.In more detail, work is covered
Sequence includes arrangement step and curing process.
In arrangement step, multiple stator elements 211 are configured to the ring-type centered on central axis C in mold 200.Match
It puts process and includes ring-shaped formation process, ring insertion process and mounting process.In ring-shaped formation process, linear connection
Stator elements 21a is formed as cyclic annular.Specifically, make core-back 71 towards radially inner side, straight line by being bent connecting piece portion 80
The connection stator elements 21a of shape is bent to ring-type.In addition, while will link stator elements 21a looped-shaped bendings, make in circumferential direction
It is contacted between the peripheral side 71a of upper adjacent core-back 71.At this point, between peripheral side 71a can also localized contact, but
It is preferably without contacting with gap.Further, since connecting piece portion 80 is formed by the resin being easily bent, therefore can be easily curved
The connection stator elements 21a of right and wrong threadiness.
In addition, in the present embodiment, be configured to be bent connecting piece portion 80 and by a linear connection stator elements 21a
Be formed as cyclic annular.But this is only an illustration.It can also be formed as circular arc by linking multiple bending connecting piece portions 80
The connecting stator part 21a of shape and obtain cricoid connection stator elements 21a.In addition, in the case of such a construction, form multiple phases
The position P that adjacent segmentation iron core 7 is connected not over connecting piece portion 80.
After ring-shaped formation process, carry out ring and be inserted into process.It is inserted into process in ring, 92 quilt of cylindrical portion of ring component 9
It is inserted into groove portion 215.Thereby, it is possible to obtain the connection stator elements 21a of the higher annular shape of roundness.
Ring is inserted into after process, carries out mounting process.In process is loaded, cricoid connection stator elements 21a is configured at mould
In the inner space 200a of tool 200.In more detail, the multiple stator elements 211 connected by insulating part 8 are in mold 201
The ring-type being configured to centered on central axis C (with reference to Fig. 9 A).In addition, in process is loaded, a part for teeth portion 72 is placed
On the platform portion 201c of the first mold 201.In more detail, the end of the radial outside of tooth terminal part 722 is positioned over platform portion
On 201c.Therefore, it is possible to carry out the positioning of stator elements 211 in the axial direction in mold 201.
In addition, in process is loaded, at a part for the teeth portion 72 being positioned on platform portion 201c, can also insulate
The exterior side surface portion radially of the tooth covering part 82 of covering teeth portion 72 in part 8 and the inside face radially of platform portion 201c
Between have gap.In this way, by resin material 212a cover multiple stator elements 211 when, tooth covering part 82 lateral surface with
Gap setting resin material 212a between the inside face radially of platform portion 201c.That is, in each stator 211, Neng Gou
On teeth portion 72 in axial direction and the exterior side surface portion radially of tooth covering part 82 sets the resin being made of resin material 212a
Layer 210b.Therefore, the dew that can be further reduced in the axial direction of teeth portion 72 by being set to the resin layer 210b on teeth portion 72
Go out area.When moisture moisture, immerse water when the exposed surface for being attached to teeth portion 72 when, easily get rusty in attachment portion.Therefore,
By reducing the exposing area of teeth portion 72, segmentation iron core 7 can be made to be not likely to produce the rust as caused by moisture, immersion etc..
Alternatively, in process is loaded, at a part for the teeth portion 72 being positioned on platform portion 201c, in insulating part 8
The exterior side surface portion radially for covering the tooth covering part 82 of teeth portion 72 can also be with the inside face phase radially of platform portion 201c
It connects.In this way, when covering multiple stator elements 211 by resin material 212a, not in the lateral surface radially of tooth covering part 82
Portion sets resin layer 210b, but can prevent the stripping of the resin layer 210b on the exterior side surface portion of tooth covering part 82.
In above-mentioned arrangement step, the teeth portion 72 of each segmentation iron core 7 extend from core-back 71 to radial outside and
Radially the face with the inside of mold 201 abuts.In addition, the core-back 71 of adjacent segmentation iron core 7 phase each other in the circumferential
It connects.In this way, the cricoid state that multiple stator elements 211 are arranged in by multiple stator elements 211 centered on central axis C is configured at
In mold 201.At this point, in mold 201, the teeth portion 72 of segmentation iron core 7 is pressed by the inside of the inside of mold 201 towards radial direction
Pressure, until the core-back 71 of segmentation iron core 7 adjacent in the circumferential adjoins one another.Therefore, in mold 201, multiple stators
211 proper alignment of part is into the annular shape further to positive round.Therefore, under the state, by the way that resin material 212 is injected into mould
Tool 201 simultaneously makes its curing, and stator 21 can be formed as to the annular shape further to positive round.
In addition, in above-mentioned arrangement step, rib 201b is configured between teeth portion 72 adjacent in the circumferential (with reference to figure
9B).In this way, in mold 201, by the rib 201b being configured between teeth portion 72 adjacent in the circumferential, stator can be adjusted
Position in the circumferential direction of part 211.By the adjustment, configuration in the circumferential direction of multiple stator elements 211 in stator 21 can be made more
The nearly positive round of adjunction.
Also, in above-mentioned arrangement step, in the circumferential between adjacent teeth portion 72, between rib 201b and teeth portion 72
With gap.In this way, when covering multiple stator elements 211 by resin material 212a, in the circumferential between adjacent teeth portion 72,
Resin material 212a is set in gap that can be between teeth portion 72 and rib 201b.Therefore, it is possible to reduce the exposed surface of teeth portion 72
Product.When moisture moisture, immerse water when the exposed surface for being attached to teeth portion 72 when, easily attachment portion generate rust.Therefore, lead to
The exposing area for reducing teeth portion 72 is crossed, can be not easy to generate in segmentation iron core 7 and be become rusty caused by moisture, immersion etc..
Next, in curing process, resin material 212a is injected into mold 200 and cures.In curing process,
Resin material 212a is injected into mold 200, covers multiple stator elements 211 and ring component 9.Then, resin material 212a cures.
In this way, cricoid connection stator elements 21a is covered by the housing 212 of resin.Also, each stator elements 211 by housing 212 and by
It firmly fixes, is annulus shape therefore, it is possible to keep stator 21.
In addition, in above-mentioned curing process, in each segmentation iron core 7, resin material 212a covers the radial direction of teeth portion 72
On exterior side surface portion 720 circumferential both ends.In such manner, it is possible to iron is cut in the punishment of exterior side surface portion 720 radially for reducing teeth portion 72
The exposing area of core 7.When moisture moisture, immerse water when the exposed surface for being attached to segmentation iron core 7 when, easily in attachment portion
Generate rust.Therefore, it by reducing the exposing area of segmentation iron core 7, is not easy to generate since moisture, immersion etc. are drawn in segmentation iron core 7
The rust risen.
In stator 21, multiple stator elements 211 can also be dividually configured in circumferential direction.It is for example, adjacent in the circumferential
Stator elements 211 can also not be connected via connecting piece portion 80.Hereinafter, to circumferential multiple 211 separate configurations of stator elements
An example of the manufacturing method of stator 21 illustrates.Wherein, in following variation, sometimes pair with above-mentioned embodiment not
Same structure illustrates, and identical label is marked to the structural portion identical with above-mentioned embodiment, and the description thereof will be omitted.
The manufacturing method of stator 21 includes stator elements preparatory process and covering process.Stator elements preparatory process includes segmentation iron
Core formation process, insulating part arrangement step and Wire-wound process.
First, in segmentation iron core formation process, by laminated magnetic steel plate, multiple segmentation iron cores 7 are formed.Alternatively,
Each segmentation iron core 7 can be formed by the sintering of magnetic material.
In insulating part arrangement step, each segmentation iron core 7 is covered by insulating part 8.Wherein, it is configured in the insulating part of variation
In process, due to being not provided with connecting piece portion 80 in each stator elements 211, the stator elements 211 before coiled electrical conductor 211a are divided
Open form into.
In Wire-wound process, conducting wire 211a is wound in each stator elements 211 across insulating part 8.By terminating conducting wire
The winding of 211a obtains respectively independent stator elements 211.
Next, covering process includes arrangement step and curing process.
Arrangement step includes ring-shaped formation process, ring is inserted into process and mounting process.It is each fixed in ring-shaped formation process
Component 211 is configured circlewise.At this point, the core-back 71 of each stator elements 211 is towards the inside of radial direction, teeth portion 72 is towards radial direction
Outside.Also, the peripheral side 71a of core-back 71 adjacent in the circumferential is made to contact with each other.At this point, peripheral side 71a
Can localized contact each other, it is preferred that contact very close to each otherly.Therefore, it is configured in circumferential multiple stator elements 211,
It forms each gap 810 and is joined into the cyclic annular groove portion 215 formed.
After ring-shaped formation process, ring is inserted into process, and the cylindrical portion 92 of ring component 9 is inserted into groove portion 215.By
This, the multiple core-backs 71 arranged in the circumferential are linked by ring component 9 circlewise, so as to obtain with high roundness
Circular connection stator elements 21a.
Ring is inserted into after process, is loaded in process, circular connection stator elements 21a is configured in the inside of mold 201
In the 200a of space.
Later, in curing process, circular connection stator elements 21a is by resin material 212a moldingizations, resin material
212a cures.
In addition, in the arrangement step of above-mentioned variation, mounting process can be implemented before ring is inserted into process.It is that is, first
First, in process is loaded, each stator elements 211 are configured in the inner space 200a of mold 201.At this point, each 211 quilt of stator elements
Circlewise, the core-backs 71 of each stator elements 211 is towards the inside of radial direction, and teeth portion 72 is towards the outside of radial direction for configuration.It is loading
After process, it is inserted into process in ring, the cylindrical portion 92 of ring component 9 is inserted into groove portion 215, it as a result, will by ring component 9
The multiple core-backs 71 arranged in the circumferential are connected to annular shape.
More than, the embodiment of the utility model is illustrated.In addition, the utility model be not limited to it is above-mentioned
Embodiment.The utility model can be subject to various changes to implement in the range of the purport for not departing from utility model.In addition,
Item illustrated by above-mentioned embodiment being capable of the appropriate arbitrary combination in the range of contradiction is not generated.
For example, the motor 100 illustrated by the above embodiment is the non-molding formula motor of substrate (with reference to Fig. 1), but it is unlimited
The substrate moulded-on type motor of substrate 4 is further covered in the housing 212 of the illustration or resin.Figure 16 is to represent horse
Up to the sectional view of 100 other structures example.In figure 16, stator 21 has the substrate 4 for being electrically connected lead 5 with conducting wire 211a.
In addition, housing 212 is the component of the resin of further covering substrate 4.
Stator, its manufacturing method and the motor with the stator that the utility model is for example covered for stator by housing,
Multiple magnetic material core configured separates adjacent in the circumferential in the stator.
Claims (11)
1. a kind of stator, has：
Multiple stator elements, they are configured to the ring-type centered on central axis；And
The housing of resin covers multiple stator elements,
Each stator elements have：Segmentation iron core, outside extension of the teeth portion from core-back to radial direction；Insulating part, covering
The segmentation iron core；And conducting wire, the teeth portion is wound in across the insulating part,
It is characterized in that,
The exterior side surface portion radially of the teeth portion is included from the first side portion that the housing exposes,
The adjacent core-back adjoins one another in the circumferential.
2. stator according to claim 1, which is characterized in that
The exterior side surface portion radially of the teeth portion also includes the second side face covered by the housing.
3. stator according to claim 2, which is characterized in that
The exterior side surface portion radially of the teeth portion is made of the first side portion and the second side face,
Radially, the exterior side surface portion of the housing is in position identical or inside with the first side portion, and is in
Than the position of the second side face in the outer part.
4. stator according to claim 3, which is characterized in that
In the circumferential in the adjacent stator elements, detached between the teeth portion across the housing,
The second side face includes the circumferential end in the exterior side surface portion radially of the teeth portion.
5. stator according to any one of claims 1 to 4, which is characterized in that
Groove portion is formed on the exterior side surface portion radially of the housing,
First side of the groove portion teeth portion adjacent on circumferentially from the face of side in the axial direction of the housing
Extend in the axial direction between face.
6. stator according to claim 5, which is characterized in that
The groove portion is formed between the teeth portion adjacent in the circumferential.
7. stator according to claim 5, which is characterized in that
The end of opposite side in the axial direction of the groove portion has the shape that end attenuates.
8. stator according to claim 5, which is characterized in that
In the circumferential between the adjacent teeth portion and the groove portion, the teeth portion is covered by the housing.
9. stator according to claim 5, which is characterized in that
The peripheral side to adjoin one another in the adjacent core-back in the circumferential is plane respectively.
10. stator according to any one of claims 1 to 4, which is characterized in that
In the circumferential in two adjacent core-backs, the first peripheral side and another iron core back of the body of a core-back
Second peripheral side opposed with first peripheral side in portion adjoins one another,
Circumferentially prominent protrusion is formed in first peripheral side,
The recess portion being circumferentially recessed is formed in second peripheral side,
The protrusion is embedded in the recess portion.
11. a kind of motor includes stator according to any one of claims 1 to 4, which is characterized in that have：
Rotating part can be rotated centered on central axis extended in the vertical direction；And
Stationary part, it is opposed with the rotating part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016233183A JP2018093582A (en) | 2016-11-30 | 2016-11-30 | Stator manufacturing method, stator, and motor |
| JP2016-233183 | 2016-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475295U true CN207475295U (en) | 2018-06-08 |
Family
ID=62228415
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711127865.4A Withdrawn CN108123580A (en) | 2016-11-30 | 2017-11-15 | Manufacturing method, stator and the motor of stator |
| CN201721526684.4U Expired - Fee Related CN207475295U (en) | 2016-11-30 | 2017-11-15 | Stator and motor |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711127865.4A Withdrawn CN108123580A (en) | 2016-11-30 | 2017-11-15 | Manufacturing method, stator and the motor of stator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2018093582A (en) |
| CN (2) | CN108123580A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113939653A (en) * | 2019-06-18 | 2022-01-14 | 三菱电机株式会社 | Compressor |
| JP7258213B2 (en) * | 2020-02-26 | 2023-04-14 | 三菱電機株式会社 | Stator, electric motor, blower, air conditioner, and stator manufacturing method |
-
2016
- 2016-11-30 JP JP2016233183A patent/JP2018093582A/en not_active Withdrawn
-
2017
- 2017-11-15 CN CN201711127865.4A patent/CN108123580A/en not_active Withdrawn
- 2017-11-15 CN CN201721526684.4U patent/CN207475295U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108123580A (en) | 2018-06-05 |
| JP2018093582A (en) | 2018-06-14 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180608 Termination date: 20201115 |