CN109586490A - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN109586490A CN109586490A CN201811136761.4A CN201811136761A CN109586490A CN 109586490 A CN109586490 A CN 109586490A CN 201811136761 A CN201811136761 A CN 201811136761A CN 109586490 A CN109586490 A CN 109586490A
- Authority
- CN
- China
- Prior art keywords
- busbar
- retainer
- elastic protrusion
- radially
- circumferential
- 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
-
- 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
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
Abstract
Motor is provided, in a mode of motor of the present invention, bus bar unit includes multiple busbars, they are electrically connected with stator；And busbar retainer, it is configured at the axial side of bearing retainer, busbar is kept.The handle part held to the conducting wire extended from coil is respectively provided in multiple busbars.Handle part has base portion and extends from base portion to circumferential side and the opposed pairs arm across gap radially.Multiple busbars handle part it is respective in, a pair of of arm extends from base portion to circumferential the same side.There is busbar to keep frame body and keep the radially outer edge portion of frame body to radial outside elastic protrusion portion outstanding from busbar for busbar retainer.Bearing retainer has bearing retainer main body and a part in the radially outer edge portion from bearing retainer main body side wall portion outstanding in the axial direction.Elastic protrusion portion to have occurred the state of elasticity of compression deformation and the radially inner side face contact of wall portion radially.
Description
Technical field
The present invention relates to motors.
Background technique
The motor for keeping the bearing retainer of bearing is installed on there is known the busbar retainer of holding busbar.For example,
It is described in International Publication No. 2008/146502 and uses screw that will keep as the insulation board of bearing retainer and busbar
The fixed motor of frame.
In motor as described above, bearing retainer is penetrated through and is connect with busbar by the conducting wire extended from coil.Cause
This, busbar retainer is installed on by operating personnel after keeping the circumferential position of busbar retainer consistent with bearing retainer
Bearing retainer connects busbar and conducting wire.But in this case, sometimes due to the conducting wire extended from coil
Positional shift etc. and cause to be difficult to conducting wire being configured at desired position relative to the position of busbar.Therefore, be difficult to sometimes by
Conducting wire is connected with busbar.
Summary of the invention
The present invention in view of the foregoing, one of its goals is to, provide have can be by the conducting wire extended from coil and remittance
The motor for the construction that stream item easily connects.
One mode of motor of the invention includes rotor, has the axis configured along central axis；Stator, with institute
It is opposed across gap radially to state rotor, there is coil；Bearing is pivotally supported described can to rotate；Bearing is kept
Frame is configured at the axial side of the stator, keeps to the bearing；And bus bar unit, it is configured at described
The axial side of bearing retainer.The bus bar unit includes multiple busbars, they are electrically connected with the stator；
And busbar retainer, it is configured at the axial side of the bearing retainer, the busbar is kept.It is more
A busbar is respectively provided with the handle part held to the conducting wire extended from the coil.The handle part includes base
Portion；And a pair of of arm, they extend from the base portion to circumferential side, opposed across gap radially.Described one
To between the radial direction of arm inserted with the conducting wire extended from the coil.Multiple busbars the handle part it is respective
In, the pair of arm extends from the base portion to circumferential the same side.The busbar retainer includes busbar retainer
Main body；And elastic protrusion portion, keep the radially outer edge portion of frame body prominent to radial outside from the busbar.The axis
It holds retainer and includes bearing retainer main body；And wall portion, from one of the radially outer edge portion of the bearing retainer main body
Divide prominent to the axial side.The elastic protrusion portion to have occurred the state and the wall that the elasticity of compression deforms radially
The radially inner side face contact in portion.
According to one method of the present invention, providing has and can easily connect the conducting wire extended from coil with busbar
Pick up the motor of the construction come.
The present invention can be more clearly understood that referring to attached drawing by the detailed description of the preferred embodiment for the present invention below
Above-mentioned and other feature, element, step, features and advantages.
Detailed description of the invention
Fig. 1 is the cross-sectional view for showing the motor of present embodiment.
Fig. 2 is the cross-sectional view for showing a part of motor of present embodiment.
Fig. 3 is the perspective view for showing the bearing retainer of present embodiment.
Fig. 4 is the figure of the bus bar unit and bearing retainer of present embodiment from upside.
Fig. 5 is the figure of the bus bar unit of present embodiment from downside.
Fig. 6 is the figure for showing a part of the installation process of bus bar unit of present embodiment.
Specific embodiment
The Z-direction suitably shown in the various figures is the upper and lower using positive side as upside and using negative side as downside
To.The central axis J suitably shown in the various figures is imaginary line parallel and extended in the vertical direction with Z-direction.
In the following description, the axial direction of central axis J, direction i.e. parallel with up and down direction are referred to as " axial direction ", it will be with center
Radial direction centered on axis J is referred to as " radial direction ", and the circumferential direction centered on central axis J is referred to as " circumferential direction ".In the various figures,
Arrow theta, which is suitably used, indicates circumferential.
In addition, by the positive side of the Z-direction in axial direction be known as " upside ", by the negative side of the Z-direction in axial direction be known as " under
Side ".In the present embodiment, upside is equivalent to axial side, and downside is equivalent to the axial other side.In addition, by circumferential direction from
Upside is known as " circumferential one towards the side widdershins advanced when the observation of downside, i.e. according to the side that the direction of arrow theta is advanced
Side ".By in circumferential direction from upside towards from downside when deasil advance side, i.e. with the direction of arrow theta on the contrary before
Into side be known as " the circumferential other side ".
In addition, " up and down direction ", " upside " and " downside " is only for saying the relative positional relationship of each section
Bright title, actual configuration relation etc. are also possible to the configuration relation etc. other than configuration relation shown in these titles etc..
As depicted in figs. 1 and 2, the motor 10 of present embodiment have shell 11, rotor 20, bearing 51,52, stator 30,
Bearing retainer 40, bus bar unit 90 and control device 80.As shown in Figure 1, shell 11 stores each section of motor 10.Shell
Body 11 is in the cylindrical shape centered on central axis J.Shell 11 keeps bearing 51 in the bottom of downside.
Rotor 20 has axis 21, rotor core 22 and magnet 23.Axis 21 is configured along central axis J.Axis 21 is by bearing
51,52 bearings are that can rotate.Rotor core 22 is in the annular shape for being fixed on the outer peripheral surface of axis 21.Magnet 23 is fixed on rotor iron
The outer peripheral surface of core 22.Bearing 51 can rotate the bearing of axis 21 in the downside of rotor core 22.Bearing 52 is in rotor core 22
Upside by the bearing of axis 21 can to rotate.Bearing 51,52 is ball bearing.
Stator 30 is opposed across gap radially with rotor 20.Stator 30 surrounds rotor in the radial outside of rotor 20
20.Stator 30 has stator core 31, insulating part 34 and multiple coils 35.Stator core 31 has core-back 32 and multiple
Tooth 33.
Multiple coils 35 are respectively arranged in multiple teeth 33 across insulating part 34.Coil 35 is conducting wire across insulating part volume 34
It is around in tooth 33 and constitutes.Lead-out wires of coil 35a is drawn from each coil 35 to upside.Lead-out wires of coil 35a is prolonged from coil 35
The conducting wire stretched is the end for constituting the conducting wire of coil 35.
Bearing retainer 40 is configured at the upside of stator 30.Bearing retainer 40 is metal.Bearing retainer 40 is right
Bearing 52 is kept.As shown in figure 3, bearing retainer 40 has the first outer ring section 41, the 42, first inside of fixed canister portion
Annular portion 47, multiple first connecting portions 44, bearing cage 43, the first protruding portion 45 and wall portion 46.First outer ring section
41 in centered on central axis J and plate face and axially vertical annulus plate.Fixed canister portion 42 is in from the first outer annular
The cylindrical shape that the radially outer edge portion in portion 41 extends to downside.As shown in Figure 1, the outer peripheral surface and fixed cylinder of the first outer ring section 41
The outer peripheral surface in portion 42 is fixed on the inner peripheral surface of shell 11.First inner ring 47 is in the cylindrical shape centered on central axis J.
First inner ring 47 is configured at the configuration that radially inner side is leaned on than the first outer ring section 41.Under first inner ring 47
The end of side is bent to radially inner side.
As shown in figure 3, multiple first connecting portions 44 extend radially.Multiple first connecting portions 44 are circumferentially in complete cycle
It is equally spaced configured in range.In Fig. 3, first connecting portion 44 is for example provided with 12.Multiple first connecting portions 44 are by
The radially inner edge portion of one outer ring section 41 is connected with the end of the upside of the first inner ring 47.The diameter of first connecting portion 44
Part inwardly is located at the position of the part of the radial outside than first connecting portion 44 on the lower.
Width in the circumferential direction of the first connecting portion 44 of a part in first connecting portion 44 becomes in the part of radial outside
Greatly.In Fig. 3, the width in the circumferential direction of three first connecting portions 44 becomes larger in the part of radial outside.This three first connections
Portion 44 circumferentially equally spaced configures within the scope of complete cycle.Adjacent first connecting portion 44 is set respectively each other in the circumferential
It is equipped with the first through hole 48.First through hole 48 in the axial direction penetrates through bearing retainer 40.The coil extended from each coil 35
Lead-out wire 35a is each passed through the first through hole 48.
As shown in Fig. 2, bearing cage 43 is connected with the radially inner edge portion of the lower end of the first inner ring 47.Bearing
Maintaining part 43 has canister portion 43a, cover 43b and annulus protruding portion 43c.Canister portion 43a is in the cylinder centered on central axis J
Shape.The outer peripheral surface of bearing 52 is fixed on the inner peripheral surface of canister portion 43a.Bearing cage 43 keeps bearing 52 as a result,.
Bearing 52 is configured to more separate to downside than cover 43b.
Cover 43b is in from the end of the upside of canister portion 43a to radially inner side annular shape outstanding.Cover 43b covers bearing
The upside of 52 outer ring.The radially inner edge portion of annulus protruding portion 43c from cover 43b are upwardly projecting.Annulus protruding portion 43c be in
Annular shape centered on central axis J.The inner peripheral surface of annulus protruding portion 43c is connected with the upper end of the inner peripheral surface of cover 43b.Circle
The inner peripheral surface of ring protruding portion 43c and the inner peripheral surface of cover 43b are configured at identical position radially.
In the present embodiment, it is constituted by cover 43b and annulus protruding portion 43c and is in the axial direction passed through bearing retainer 40
Logical central aperture portion 49.That is, bearing retainer 40 has central aperture portion 49.The inner peripheral surface of central aperture portion 49 is by cover 43b
The inner peripheral surface of circumferential surface and annulus protruding portion 43c are constituted.As shown in figure 3, central aperture portion 49 is in central axis when axially observing
Round centered on line J.
In the present embodiment, by the first outer ring section 41, fixed canister portion 42, the first inner ring 47, Duo Ge
One interconnecting piece 44 and bearing cage 43 constitute bearing retainer main body 40a.That is, bearing retainer 40 is kept with bearing
Frame body 40a.
First protruding portion 45 is upwardly projecting from bearing retainer main body 40a.First protruding portion 45 is positioned across first
Outer ring section 41 and first connecting portion 44.First protruding portion 45 is respectively arranged in first connecting portion 44, above-mentioned circumferential direction
On the first connecting portion 44 that becomes larger in the part of radial outside of width.That is, in the present embodiment, the setting of the first protruding portion 45
There are three, circumferentially equally spaced configured within the scope of complete cycle.
The face of the upside of first protruding portion 45 is contacts-side-down face 45a.Contacts-side-down face 45a be with it is axially vertical flat
Face.Contacts-side-down face 45a from upside when shape in longer fillet radially substantially rectangular shape.
Wall portion 46 is connected with the end of the radial outside of the first protruding portion 45.Wall portion 46 is from bearing retainer main body 40a's
One of radially outer edge portion is upwardly projecting.More specifically, wall portion 46 is from the radially outer edge portion of the first outer ring section 41
It is a part of upwardly projecting.The end of the upside of wall portion 46 is the part positioned at top side in bearing retainer 40.
Wall portion 46 extends in the circumferential.The radially inner side face of wall portion 46 is the curved surface circumferentially extended in circular arc.Wall
The lower end in the radially inner side face in portion 46 is connected with the end of the radial outside of contacts-side-down face 45a.The radially inner side of wall portion 46
Face is vertical with contacts-side-down face 45a.The radial outer side of wall portion 46 is the curved surface circumferentially extended in circular arc.Wall portion 46
Radial outer side is connected with the outer peripheral surface of the first outer ring section 41.The radial outer side of wall portion 46 is configured at and the first outside circle
The outer peripheral surface of ring portion 41 and the outer peripheral surface of fixed canister portion 42 identical position radially.
The end of the circumferential two sides of wall portion 46 is configured at and the end of the circumferential two sides of the first protruding portion 45 phase in the circumferential
Same position.The end of circumferential two sides in the end of the upside of wall portion 46 has fillet.In the present embodiment, 46 edge of wall portion
Be circumferentially spaced one from the other be positioned apart from it is multiple.Multiple wall portions 46 circumferentially equally spaced configure within the scope of complete cycle.?
In Fig. 3, there are three the settings of wall portion 46, is respectively connected with the end of the radial outside of three the first protruding portions 45.
As shown in Figure 1, bus bar unit 90 is configured at the axial side of bearing retainer 40.Bus bar unit 90 has more
A busbar 70 and busbar retainer 60.Busbar retainer 60 is resin system.As shown in Figure 4 and Figure 5, busbar is kept
There is frame 60 busbar to keep frame body 61, central upper canister portion 62, downside center canister portion 63, the second protruding portion 64, elasticity prominent
Play portion 65 and terminal supporting 66.
Busbar keeps frame body 61 to have the second inner ring 61a, the second outer ring section 61b and multiple second
Interconnecting piece 61c.In the present embodiment, the second inner ring 61a is equivalent to first part, the second outer ring section 61b phase
When in second part, second connecting portion 61c is equivalent to Part III.
Second inner ring 61a and the second outer ring section 61b is in the annular shape centered on central axis J.Along
When end on observation, the second outer ring section 61b is surrounding the second inside by the position of radial outside than the second inner ring 61a
Annular portion 61a.As shown in Fig. 2, the second inner ring 61a is configured at the upside of bearing cage 43.Second outer ring section
61b is configured at the upside of the first outer ring section 41.In the present embodiment, the outside the second inner ring 61a and second circle
Ring portion 61b is configured at identical position in the axial direction.The outer diameter of second outer ring section 61b is less than the outer of bearing retainer 40
Diameter.
As shown in figure 4, multiple second connecting portion 61c extend radially.Multiple second connecting portion 61c are circumferentially whole
It is equally spaced configured in all ranges.In Fig. 4, second connecting portion 61c is for example provided with 12.Multiple second connecting portion 61c
Second outer ring section 61b and the second inner ring 61a are connected.More specifically, multiple second connecting portion 61c are by second
The radially inner edge portion of outer ring section 61b is connected with the radially outer edge portion of the second inner ring 61a.When axially observing,
Second connecting portion 61c is Chong Die with first connecting portion 44.Adjacent second connecting portion 61c is respectively arranged with each other in the circumferential
Second through hole 67.Second through hole 67 in the axial direction penetrates through busbar retainer 60.When axially observing, the second perforation
Hole 67 is Chong Die with the first through hole 48.The lead-out wires of coil 35a extended to upside passes through the first through hole 48 and is inserted in respectively
In second through hole 67.
As shown in Figure 1, central upper canister portion 62 is in centered on central axis J and from the second inner ring 61a's
The upwardly projecting cylindrical shape in radially inner edge portion.Downside center canister portion 63 is in centered on central axis J and on the inside of second
The downward side in the radially inner edge portion cylindrical shape outstanding of annular portion 61a.That is, downside center canister portion 63 is in centered on central axis J
And 61 downward side cylindrical shape outstanding of frame body is kept from busbar.
The internal diameter of downside center canister portion 63 is greater than the internal diameter of central upper canister portion 62.The outer diameter of downside center canister portion 63 is greater than
The outer diameter of central upper canister portion 62.The inside of central upper canister portion 62 is connected in the axial direction with the inside of downside center canister portion 63,
Busbar retainer 60 is penetrated through in the axial direction.The end of the upside of axis 21 passes through in the inside and downside of central upper canister portion 62
Entreat the inside of canister portion 63.
The end of the downside of downside center canister portion 63 is the part of the position positioned at lower side in bus bar unit 90.Such as
Shown in Fig. 2, downside center canister portion 63 is chimeric with central aperture portion 49.The end of the downside of downside center canister portion 63 is configured to and bearing
52 upside is opposed across gap.The end of the downside of downside center canister portion 63 is configured at and central aperture portion 49 in the axial direction
The roughly the same position in the end of downside.In the present embodiment, downside center canister portion 63 is equivalent to the first central canister portion.
Second protruding portion 64 keeps the downward side of frame body 61 prominent from busbar.As shown in figure 5, the second protruding portion 64 is arranged
For across the second outer ring section 61b and second connecting portion 61c.The end of the radial outside of second protruding portion 64 is configured at and the
The end of the radial outside of two outer ring section 61b roughly the same position radially.Second protruding portion 64 is provided with multiple.
Multiple second protruding portions 64 circumferentially equally spaced configure within the scope of complete cycle.In Fig. 5, the second protruding portion 64 is for example arranged
There are three.As shown in Fig. 2, the first protruding portion 45 overlaps each other with the second protruding portion 64 when axially observing.
The face of the downside of second protruding portion 64 is upper contact face 64a.Upper contact face 64a be with it is axially vertical flat
Face.Upper contact face 64a is configured at the position more upper than the end of the downside of downside center canister portion 63.On as shown in figure 5,
The shape of contacting surface 64a observed from downside is flanked in longer oblong-shaped radially.As shown in Fig. 2, each first is prominent
The contacts-side-down face 45a in portion 45 is contacted each other with the upper contact face 64a of each second protruding portion 64.Busbar list as a result,
Member 90 is positioned in the axial direction relative to bearing retainer 40.
In the present embodiment, due to contacts-side-down face 45a and upper contact face 64a be with it is axially vertical flat
Face, therefore be able to suppress bus bar unit 90 and obliquely configured relative to bearing retainer 40.Furthermore it is possible to use bearing is kept
Frame 40 steadily supports bus bar unit 90.
Elastic protrusion portion 65 keeps the radially outer edge portion of frame body 61 prominent to radial outside from busbar.In more detail and
Speech, elastic protrusion portion 65 are prominent from the radially outer edge portion of the second outer ring section 61b to radial outside.Along elastic protrusion portion 65
When direction outstanding is observed, elastic protrusion portion 65 is Chong Die with second connecting portion 61c.Elastic protrusion portion 65 is in substantially flat column.
The end of the downside in elastic protrusion portion 65 is connected with the end of the radial outside of the second protruding portion 64.As shown in figure 5,
The face of the downside in elastic protrusion portion 65 is connected with the end of the radial outside of upper contact face 64a.The downside in elastic protrusion portion 65
Face and upper contact face 64a be configured at on axially vertical same plane.As shown in Fig. 2, the upside in elastic protrusion portion 65
End be configured at the position more upper than wall portion 46.
As shown in fig. 6, the end of circumferential side of the elastic protrusion portion 65 in the end of radial outside has the first inclination
Face 65a.First inclined surface 65a is located at radially inner side with from the circumferential other side towards circumferential side.Elastic protrusion portion 65 exists
The end of the circumferential other side in the end of radial outside has the second inclined surface 65b.Second inclined surface 65b is with from circumferential one
Side is located at radially inner side towards the circumferential other side.First inclined surface 65a and the second inclined surface 65b is from the upper of elastic protrusion portion 65
The end of side axially extends the end of the downside to elastic protrusion portion 65.First inclined surface 65a and the second inclined surface 65b are for example
Be the circumferential two sides in the end to the radial outside in elastic protrusion portion 65 corner carry out chamfering and produce.
As shown in figure 5, elastic protrusion portion 65 be circumferentially separated from each other be positioned apart from it is multiple.Multiple elastic protrusion portions
65 circumferentially equally spaced configure within the scope of complete cycle.In Fig. 5, there are three the settings of elastic protrusion portion 65, with three second
The end of the radial outside of protruding portion 64 is respectively connected with.
As shown in figure 4, the radially inner side face contact of the end of the radial outside in each elastic protrusion portion 65 and each wall portion 46.Respectively
Elastic protrusion portion 65 is in the state that elasticity of compression deformation has occurred radially.That is, elastic protrusion portion 65 to send out radially
The state of elasticity of compression deformation and the radially inner side face contact of wall portion 46 are given birth to.Busbar retainer 60 is more to be pressed into as a result,
The state of the radially inner side of a wall portion 46 is fixed.
As shown in Fig. 2, terminal supporting 66 keeps frame body 61 upwardly projecting from busbar.More specifically, terminal
Supporting part 66 is upwardly projecting from the second outer ring section 61b.Terminal supporting 66 is in a rectangular parallelepiped shape.Shown in Fig. 4, terminal bearing
Portion 66 is provided with multiple.Multiple terminal supportings 66 circumferentially equally spaced configure within the scope of complete cycle.In Fig. 4, terminal
There are three supporting part 66 is for example arranged.When axially observing, three terminal supportings 66 are respectively arranged at dashes forward with three second
The position that portion 64 is overlapped respectively out.
As shown in Figure 1 and Figure 4, multiple busbars 70 are respectively provided with busbar main body 71, connection terminal 72 and handle part
73.There are three busbar 70 is for example arranged in the present embodiment.A connecting pin is respectively arranged in three busbars 70
Son 72 and four handle parts 73.That is, in the present embodiment, connection terminal 72 amounts to there are three settings, the total of handle part 73 is set
It is equipped with 12.
As shown in Figure 1, busbar main body 71 is embedded in busbar retainer 60.60 pairs of busbar retainer confluences as a result,
Item 70 is kept.Busbar main body 71 is in plate face and axially vertical plate.Busbar main body 71 along with it is axially vertical
Plane extends.Connection terminal 72 is connected with busbar main body 71.Connection terminal 72 is upwardly projecting from busbar retainer 60.More
Specifically, connection terminal 72 is upwardly projecting from terminal supporting 66.The part of the downside of connection terminal 72 is supported by terminal
Portion 66 supports.The end of the upside of connection terminal 72 is connect with control device 80.As shown in figure 4, three busbars 70 respectively connect
Connecting terminal 72 circumferentially equally spaced configures within the scope of complete cycle.
Each connection terminal 72, which is configured at, distinguishes identical position in the circumferential with each elastic protrusion portion 65.That is, elastic protrusion
At least part in portion 65 is configured at and the identical position in the circumferential of connection terminal 72.When axially observing, elastic protrusion
At least part in portion 65 is configured at the radial outside of connection terminal 72.
Handle part 73 is in plate face and axially vertical plate.Handle part 73 is connected with busbar main body 71, from the second connection
Portion 61c is prominent to circumferential side, is exposed to the outside of busbar retainer 60.Handle part 73 is configured in the second through hole 67.
Handle part 73 is in the substantially U-shaped in a circumferential side opening.Handle part 73 has base portion 73a and a pair of of arm 73b, 73c.
Base portion 73a is the part being connected with busbar main body 71, prominent from second connecting portion 61c to circumferential side.It is a pair of
Arm 73b, 73c extend from base portion 73a to circumferential side.Arm 73b is opposed across gap radially with arm 73c.?
The inside of handle part 73, upside i.e. inserted with lead-out wires of coil 35a between arm 73b and the radial direction of arm 73c end.
Although not shown, but handle part 73 be crimped by the front end of a pair of of arm 73b, 73c from radially opposite sides
And lead-out wires of coil 35a is clamped from radially opposite sides.Handle part 73 holds lead-out wires of coil 35a as a result,.Handle part 73
It is for example fastened to each other by welding with lead-out wires of coil 35a.Handle part 73 is connect with lead-out wires of coil 35a as a result,
To which busbar 70 is electrically connected with stator 30.
Multiple busbars 70 handle part 73 it is respective in, a pair of of arm 73b, 73c are from base portion 73a to circumferential same
Side extends.Handle part 73 is respectively in circumferential same side opening as a result,.
In addition, showing handle part 73 in the various figures in the state of a circumferential side opening but it is also possible to be by as above-mentioned
Such arm 73b, 73c are crimped and contact the front end of arm 73b and the front end of arm 73c.In this case, it holds
The opening in portion 73 becomes closed state.
As shown in Figure 1, control device 80 is configured at the upside of bus bar unit 90.Control device 80 is via connection terminal 72
And it is electrically connected with busbar 70.Control device 80 provides electric power to coil 35 via busbar 70.Control device 80 has to mentioning
The inverter circuit that the electric power of supply coil 35 is controlled.
The operating personnel that bus bar unit 90 is installed to bearing retainer 40 is as shown in FIG. 6 by bus bar unit 90
It is located approximately at another to opposite side, the i.e. circumferential direction in the side being open with handle part 73 in the circumferential relative to bearing retainer 40
The position that side is slightly offset.Then, operating personnel makes bus bar unit 90 from upside close to bearing retainer 40, makes to flank
Contacting surface 64a is contacted with contacts-side-down face 45a.Operating personnel can make bus bar unit 90 relative to bearing retainer 40 as a result,
It positions in the axial direction.
It is inserted in the second through hole 67, locates to the lead-out wires of coil 35a that upside extends at this point, passing through the first through hole 48
In with the opposed state in the circumferential of handle part 73.In addition, elastic protrusion portion 65 is configured at relative to wall portion 46 in circumferential direction at this time
The position of upper offset.At this point, elastic protrusion portion 65 is in, there is no the states that the elasticity of compression deforms.There is no compress bullet
Property deformation in the state of, the distance r1 radially from central axis J to the end of the radial outside in elastic protrusion portion 65 is greater than
The distance r2 radially in 46 radially inner side face from central axis J to wall portion.
In addition, when upper contact face 64a and contacts-side-down face 45a are contacted, the end of the downside of downside center canister portion 63
In the state chimeric with central aperture portion 49.Bus bar unit 90 passes through downside center canister portion 63 and central aperture portion 49 as a result,
It is fitted into and becomes the state for being supported to rotate relative to bearing retainer 40 around central axis J.
Then, operating personnel rotates bus bar unit 90 in the circumferential.More specifically, as shown in fig. 6, operating personnel
Rotate bus bar unit 90 towards side, i.e. circumferential side that handle part 73 is open in the circumferential.Elastic protrusion portion 65 as a result,
It is moved to the position of the radially inner side of wall portion 46, becomes the state with the face contact of the radially inner side of wall portion 46.At this point, elasticity is prominent
It plays portion 65 and elasticity of compression deformation occurs from wall portion 46 towards radially inner side stress.Then, operating personnel makes bus bar unit 90
It further rotates, positions bus bar unit 90 in the circumferential relative to bearing retainer 40.
In the state that bus bar unit 90 positions in the circumferential relative to bearing retainer 40, lead-out wires of coil 35a at
For the state for being inserted in the inside of handle part 73 via the opening of handle part 73.Thereby, it is possible to make the position of lead-out wires of coil 35a
The position consistency set and can connect with busbar 70.
According to the present embodiment, it is positioned simultaneously on axial and circumferential in bus bar unit 90 relative to bearing retainer 40
In the state of installing, elastic protrusion portion 65 is inside with the diameter that the state and wall portion 46 of elasticity of compression deformation have occurred radially
Side contact.Therefore, bus bar unit 90 becomes relative to the fixed state of bearing retainer 40.Thereby, it is possible to inhibit
Bus bar unit 90 deviates in the circumferential when lead-out wires of coil 35a and handle part 73 are connected.Therefore, coil can be drawn
Outlet 35a is easily connected with busbar 70.In addition, being positioned in the circumferential and rotating bus bar unit 90, energy
The fixation of bus bar unit 90 is enough carried out, there is no need to be additionally carried out and will converge except the circumferential positioning of bus bar unit 90
The fixed operation of unit 90, it is very easy.
In addition, according to the present embodiment, operating personnel is by being located relative to handle part 73 in week from lead-out wires of coil 35a
The state of the position offset up, which rises, rotates bus bar unit 90, and lead-out wires of coil 35a can be inserted in handle part 73
Inside.
In addition, arm 73b, 73c extend from base portion 73a to circumferential the same side in multiple handle parts 73, therefore inciting somebody to action
Before lead-out wires of coil 35a is fixed, each handle part 73 is in circumferential same side opening.As a result, by make bus bar unit 90 to
One direction rotates, and multiple lead-out wires of coil 35a can be inserted in respectively to the inside of multiple handle parts 73.
Here, it when making bus bar unit 90 close to bearing retainer 40, is passed through as long as lead-out wires of coil 35a is inserted in second
The inside of ratio handle part 73 of the ratio handle part 73 by the part of circumferential side, i.e. in the second through hole 67 in through-hole 67 is relatively large
Part.Therefore, it is inserted directly into lead-out wires of coil 35a in the inside of handle part 73 with bus bar unit 90 to be positioned at
Position the case where compare, allow for the circumferential positional shift of bus bar unit 90.Thereby, it is possible to be easy to carry out to make to converge
The positioning of bus bar unit 90 when unit 90 is close to bearing retainer 40.In addition, even if being offset by lead-out wires of coil 35a
In the case where, be also easy to for lead-out wires of coil 35a being inserted in desired position, i.e. the second through hole 67 relative to handle part
73 positions deviated in the circumferential.
As long as in this way, operating personnel generally exists bus bar unit 90 relative to bearing retainer 40 to a certain extent
It positions and approaches in circumferential direction, then being positioned in the circumferential and rotating bus bar unit 90 later can be by lead-out wires of coil
35a is inserted in the inside of handle part 73.Therefore, according to the present embodiment, lead-out wires of coil 35a easily can be inserted in handle
Portion 73 is held, can easily be connected lead-out wires of coil 35a and busbar 70.
In addition, motor 10 more minimizes, the inboard portion of handle part 73 can become smaller.Therefore, motor 10 more minimizes,
Be more difficult to bus bar unit 90 can in handle part 73 close to bearing retainer 40 and be inserted directly into lead-out wires of coil 35a.Therefore,
Can obtain with being particularly useful in more small-sized motor above-mentioned easily can be inserted in handle part for lead-out wires of coil 35a
Effect in 73.
In addition, according to the present embodiment, wall portion 46 and elastic protrusion portion 65 are circumferentially separated from each other and have been positioned apart from
It is multiple.Therefore, elasticity of compression deformation occurs radially by multiple elastic protrusion portions 65, it can be more firm by bus bar unit 90
Admittedly be fixed on bearing retainer 40.
In addition, according to the present embodiment, multiple wall portions 46 and multiple elastic protrusion portions 65 are respectively along circumferential direction in complete cycle model
It is equally spaced configured in enclosing.Therefore, can from multiple wall portions 46 via multiple elastic protrusion portions 65 uniformly in the circumferential direction to remittance
90 applied force of a unit is flowed, bus bar unit 90 can be stably fixed to bearing retainer 40.
In addition, according to the present embodiment, when being observed along the direction outstanding of elastic protrusion portion 65, elastic protrusion portion 65 and the
Two interconnecting piece 61c overlapping.Therefore, it can be born by second connecting portion 61c from wall portion 46 to elastic protrusion portion 65 towards diameter
The power applied inwardly.Even if elastic protrusion portion 65 is also able to suppress busbar and keeps frame body 61 from 46 stress of wall portion as a result,
Deformation and damage.
In addition, according to the present embodiment, when axially observing, at least part in elastic protrusion portion 65 is configured at connection
The radial outside of terminal 72.Therefore, can by busbar keep frame body 61 in the part for being provided with connection terminal 72 come
Bear the power applied from wall portion 46 to elastic protrusion portion 65 towards radially inner side.Busbar keeps the company of being provided in frame body 61
The part of connecting terminal 72 is rigidly easier to become larger compared with other parts.Therefore, though elastic protrusion portion 65 from wall portion 46 by
Power can also further suppress busbar and keep the deformation of frame body 61 and damage.
In addition, according to the present embodiment, being provided with the terminal bearing supported to the part of the downside of connection terminal 72
Portion 66.Therefore, busbar can easily be made to keep being provided with connection terminal 72 in frame body 61 by terminal supporting 66
Part rigidity it is bigger.Even if elastic protrusion portion 65 is from 46 stress of wall portion as a result, busbar holding can be also further suppressed
The deformation of frame body 61 and damage.
In addition, according to the present embodiment, the radially inner side face of wall portion 46 is the curved surface circumferentially extended in circular arc.Cause
This, even if in the state that elasticity of compression deformation has occurred in the radially inner side face contact of elastic protrusion portion 65 and wall portion 46,
It is easy to make the end of the radial outside in elastic protrusion portion 65 to move in a sliding manner relative to the radially inner side face of wall portion 46.Cause
This is easy to rotate bus bar unit 90, is easy to make to converge in the state that elasticity of compression deformation has occurred in elastic protrusion portion 65
Unit 90 positions in the circumferential relative to bearing retainer 40.
In addition, according to the present embodiment, elastic protrusion portion 65 has with the position from the circumferential other side towards circumferential side
In the first inclined surface 65a of radially inner side.Therefore, as shown in fig. 6, in elastic protrusion portion 65, there is no the elasticities of compression by making
The radial position of the first inclined surface 65a and the radial position in radially inner side face of wall portion 46 are identical in the state of deformation, Neng Gou
The corner and the first inclined surface for the circumferential other side for making bus bar unit 90 when rotating in the end of the radially inner side of wall portion 46
65a contact.As a result, from wall portion 46 to the first inclined surface 65a apply towards radially inner side power, can make elastic protrusion portion 65 to
Elasticity of compression deformation occurs for radially inner side.Therefore, bus bar unit 90 is made to rotate to make elastic protrusion portion 65 to wall portion 46
Radially inner side it is mobile when, be able to suppress elastic protrusion portion 65 and blocked with wall portion 46, be easy to compress elastic protrusion portion 65
Flexible deformation.
In addition, according to the present embodiment, busbar retainer 60 has the downside center canister portion 63 as central canister portion, axis
Retainer 40 is held with central aperture portion 49.It is chimeric with central aperture portion 49 by downside center canister portion 63, it can be by bus bar unit
90 bearings is can rotate relative to bearing retainer 40 around central axis J, so as to steadily make bus bar unit 90
Rotation.
In addition, according to the present embodiment, being provided with the annulus protruding portion for constituting a part of inner peripheral surface of central aperture portion 49
43c.Thus, it is easy to increase the axial size of central aperture portion 49.It is easy to further increase the institute of the central canister portion 63 in downside as a result,
Size in the axial direction of chimeric part.Thereby, it is possible to rotate bus bar unit 90 more stably.
In addition, according to the present embodiment, bearing 52 is configured to more separate to downside than cover 43b.Thus, it is easy to make bearing 52
To the separate downside center canister portion 63 chimeric with central aperture portion 49 in downside.Thus, for example even if increasing the central canister portion in downside
Size in 63 axial direction, in the case where the size in the axial direction for the part being fitted into for increasing the central canister portion 63 in downside,
The end for being able to suppress the downside of the central canister portion 63 in downside is contacted with bearing 52.
The present invention is not limited to above-mentioned embodiments, can also use other structures below.In above-mentioned embodiment
In, there is the downside center canister portion 63 as center canister portion using busbar retainer 60 and during bearing retainer 40 has
The structure in central aperture portion 49, but not limited to this.For example, it is also possible to use following structure: busbar retainer has with central axis
The central aperture portion for centered on line J and in the axial direction penetrating through busbar retainer, bearing retainer, which has with central axis J, is
The heart and from the central canister portion of bearing retainer main body side cylindrical shape outstanding in the axial direction.
The quantity of wall portion and the quantity in elastic protrusion portion are not particularly limited.The quantity of wall portion and the quantity in elastic protrusion portion
It can also be different from each other.It is also possible to multiple elastic protrusion portions to contact with a wall portion.The shape of wall portion and elastic protrusion portion
Shape is not particularly limited.The shape in the radially inner side face of wall portion is not particularly limited, and may not be and extends in circular arc
Curved surface.The radially inner side face of wall portion is for example also possible to flat surface.Wall portion can also be separated with the first protruding portion, can also be in week
It sets up in position different from each other.The quantity of wall portion and the quantity of the first protruding portion can also be different from each other.
The quantity of first protruding portion and the quantity of the second protruding portion are not particularly limited.It can also be not provided with the first protruding portion
With the second protruding portion.The quantity of connection terminal is not particularly limited.As long as quantity two of the quantity of busbar and handle part
More than, just it is not particularly limited.Bearing can also be contacted with the cover of bearing cage.Bearing cage can also not have circle
Ring protruding portion.
In addition, the purposes of the motor of above-mentioned embodiment is not particularly limited.In addition, above-mentioned each structure can be at that
It is appropriately combined in this reconcilable range.
Claims (9)
1. a kind of motor, which is characterized in that the motor includes
Rotor has the axis configured along central axis；
Stator, it is opposed across gap radially with the rotor, there is coil；
Bearing is pivotally supported described can to rotate；
Bearing retainer is configured at the axial side of the stator, keeps to the bearing；And
Bus bar unit is configured at the axial side of the bearing retainer,
The bus bar unit includes
Multiple busbars, they are electrically connected with the stator；And
Busbar retainer is configured at the axial side of the bearing retainer, keeps to the busbar,
Multiple busbars are respectively provided with the handle part held to the conducting wire extended from the coil,
The handle part includes
Base portion；And
A pair of of arm, they extend from the base portion to circumferential side, opposed across gap radially,
Inserted with the conducting wire extended from the coil between the radial direction of the pair of arm,
Multiple busbars the handle part it is respective in, the pair of arm is from the base portion to circumferential the same side
Extend,
The busbar retainer includes
Busbar keeps frame body；And
Elastic protrusion portion keeps the radially outer edge portion of frame body prominent to radial outside from the busbar,
The bearing retainer includes
Bearing retainer main body；And
Wall portion, a part from the radially outer edge portion of the bearing retainer main body is prominent to the axial side,
The elastic protrusion portion is connect with the radially inner side face that the state and the wall portion of elasticity of compression deformation have occurred radially
Touching.
2. motor according to claim 1, which is characterized in that
The wall portion be circumferentially separated from each other be positioned apart from it is multiple,
The elastic protrusion portion be circumferentially separated from each other be positioned apart from it is multiple.
3. motor according to claim 2, which is characterized in that
Multiple wall portions circumferentially equally spaced configure within the scope of complete cycle,
Multiple elastic protrusion portions circumferentially equally spaced configure within the scope of complete cycle.
4. according to claim 1 to motor described in any one in 3, which is characterized in that
The busbar keeps frame body to include
First part；
Second part, when axially observing, which is being surrounded than the first part by the position of radial outside
The first part；And
Part III extends radially, and the first part is connected with the second part,
The elastic protrusion portion is prominent from the radially outer edge portion of the second part to radial outside, and along the elasticity
Protrusion direction outstanding is Chong Die with the Part III when observing.
5. according to claim 1 to motor described in any one in 3, which is characterized in that
The busbar includes
Busbar main body；And
Connection terminal is connected with the busbar main body, prominent from the busbar retainer to the axial side,
When axially observing, at least part in the elastic protrusion portion is configured at the radial outside of the connection terminal.
6. motor according to claim 5, which is characterized in that
The busbar retainer, which has from the busbar, keeps frame body to the axial side terminal supporting outstanding,
The part of the axial other side of the connection terminal is supported by the terminal supporting.
7. according to claim 1 to motor described in any one in 3, which is characterized in that
The radially inner side face of the wall portion is the curved surface circumferentially extended in circular arc.
8. according to claim 1 to motor described in any one in 3, which is characterized in that
The end of circumferential side of the elastic protrusion portion in the end of radial outside has the first inclined surface,
First inclined surface is located at radially inner side with from the circumferential other side towards circumferential side.
9. according to claim 1 to motor described in any one in 3, which is characterized in that
A side in the busbar retainer and the bearing retainer has centered on the central axis and along axis
To the central canister portion of cylindrical shape outstanding,
Another party in the busbar retainer and the bearing retainer has centered on the central axis and edge
Axially through central aperture portion,
The center canister portion is embedded in the central aperture portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-189447 | 2017-09-29 | ||
| JP2017189447A JP2019068538A (en) | 2017-09-29 | 2017-09-29 | motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109586490A true CN109586490A (en) | 2019-04-05 |
Family
ID=65919883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811136761.4A Pending CN109586490A (en) | 2017-09-29 | 2018-09-28 | Motor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2019068538A (en) |
| CN (1) | CN109586490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113795991A (en) * | 2019-06-12 | 2021-12-14 | 日本航空电子工业株式会社 | Clamping body, connector unit and connector unit with electric wire |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023190308A1 (en) * | 2022-03-30 | 2023-10-05 | 本田技研工業株式会社 | Rotary electric machine, vehicle, and bus ring |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627521A (en) * | 2007-02-01 | 2010-01-13 | 罗伯特.博世有限公司 | Electrical machine |
| CN106026433A (en) * | 2015-03-31 | 2016-10-12 | 日本电产株式会社 | Motor |
| WO2017026492A1 (en) * | 2015-08-10 | 2017-02-16 | 日本電産株式会社 | Motor |
| CN106972669A (en) * | 2013-01-17 | 2017-07-21 | 日本电产株式会社 | Motor |
-
2017
- 2017-09-29 JP JP2017189447A patent/JP2019068538A/en not_active Withdrawn
-
2018
- 2018-09-28 CN CN201811136761.4A patent/CN109586490A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627521A (en) * | 2007-02-01 | 2010-01-13 | 罗伯特.博世有限公司 | Electrical machine |
| CN106972669A (en) * | 2013-01-17 | 2017-07-21 | 日本电产株式会社 | Motor |
| CN106026433A (en) * | 2015-03-31 | 2016-10-12 | 日本电产株式会社 | Motor |
| WO2017026492A1 (en) * | 2015-08-10 | 2017-02-16 | 日本電産株式会社 | Motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113795991A (en) * | 2019-06-12 | 2021-12-14 | 日本航空电子工业株式会社 | Clamping body, connector unit and connector unit with electric wire |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019068538A (en) | 2019-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10253736B2 (en) | Fuel pump | |
| CN107925300B (en) | Motor | |
| US11277047B2 (en) | Busbar apparatus, motor, and method of manufacturing busbar apparatus | |
| CN107534343B (en) | The manufacturing method of bus bar unit, the rotating electric machine for having the bus bar unit and bus bar unit | |
| CN107017708B (en) | The manufacturing method of stator and stator | |
| CN204205844U (en) | Motor | |
| CN108039787A (en) | Stator unit and motor | |
| CN109586490A (en) | Motor | |
| EP2773031A2 (en) | Connector and spring assembly for a generator | |
| CN108141113A (en) | Motor | |
| JP6607171B2 (en) | Coil welding equipment | |
| CN103939770B (en) | Automatic assembling lamp holder | |
| US11218049B2 (en) | Motor | |
| CN109936238A (en) | The manufacturing method of brushgear, the electric motor with brushgear and brushgear | |
| CN107800222A (en) | Positioning fixture and localization method | |
| CN107800221A (en) | Conductive member fixing device and conductive member fixing means | |
| CN110999039B (en) | Motor and method for manufacturing motor | |
| JP2019161894A (en) | motor | |
| WO2017170296A1 (en) | Motor and method for manufacturing motor | |
| JP2020145825A (en) | Brush holding structure and motor with the brush holding structure | |
| US20180212389A1 (en) | Electric motor brush holder for a motor vehicle starter | |
| CN109560645A (en) | Motor | |
| JP5909718B2 (en) | Rotary switch | |
| CN208782672U (en) | Brush disk component, motor and electric product | |
| CN109072857A (en) | The motor vehicles Thermal Motor starter of damping mat with optimised shape |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20210702 |