CN110462987A - Motor - Google Patents

Abstract

In the motor of one embodiment of the present invention, the conductor-retaining portion of insulating part, which has, keeps groove portion.It keeps groove portion to include the 1st opening portion, in radial another side opening, and axially extends；And the 2nd opening portion, keep the end of the axial side of groove portion in an axial side opening.The end of the axial side of 1st opening portion is connected with the 2nd opening portion.The conducting wire extended from coil is maintained in keeping groove portion.Conducting wire includes part 1, is inserted in the part of the axial other side of the 1st opening portion；And part 2, it is connected with the front end side of part 1, is projected into the outside for keeping groove portion from the 2nd opening portion across the inside for keeping groove portion.The opening width of 2nd opening portion is bigger than the outer diameter of conducting wire.In the end for the axial side for keeping groove portion, the opening width of the 1st opening portion is smaller than the outer diameter of conducting wire.The edge of the circumferential two sides of 1st opening portion is contacted so that the state of flexible deformation has occurred with part 1 and clips part 1.

Description

Motor

Technical field

The present invention relates to motors.

Background technique

There is known the motors with following construction: the spiral distal process of coil goes out and connect with other component.For example, in patent The spiral end connecting with the terminal of busbar is described in document 1.

Existing technical literature

Patent document

Patent document 1: International Publication No. 2008/146502

Summary of the invention

Subject to be solved by the invention

On the one hand spiral end as described above requires to be firmly held in the position connecting with other component, on the other hand It is required that in the case where offset has occurred in the position of other component, can relative to other component positional shift to spiral end Position is finely adjusted.In addition, the operation for keeping spiral end will spend effort sometimes, thus it is required to easily keep The construction at spiral end.

In view of the foregoing, it is an object of the present invention to provide the motors with following construction: can be easy and The conducting wire extended from coil is firmly held, and the position of conducting wire can be finely adjusted.

Means for solving the problems

The motor of one embodiment of the present invention includes rotor, has the axis configured along central axis；And stator, It is opposed across gap radially with the rotor, which has coil.The stator includes stator core, tool The multiple teeth for having core-back circumferentially and being radially extended from the core-back；Insulating part is installed on described Stator core；And multiple coils, they are respectively arranged in multiple teeth across the insulating part.The insulating part The canister portion of tubular is included, is installed for the coil, the tooth passes through the canister portion；And conductor-retaining portion, with cartridge The end of radial side be connected, side is prominent in the axial direction than cartridge.The conductor-retaining portion, which has from the conducting wire, to be protected Hold the holding groove portion for being recessed and axially extending towards radial side of the radial other side in portion.The holding groove portion includes 1st opening portion in radial another side opening, and axially extends；And the 2nd opening portion, in the groove portion that keeps The end of axial side is in an axial side opening.The end of the axial side of 1st opening portion and the 2nd opening portion phase Even.The conducting wire extended from the coil is maintained in the holding groove portion, the conducting wire includes part 1, is inserted in institute State the part of the axial other side of the 1st opening portion；And part 2, it is connected with the front end side of the part 1, passes through institute It states the inside for keeping groove portion and is projected into the outside for keeping groove portion from the 2nd opening portion.The opening width of 2nd opening portion Outer diameter than the conducting wire is big.In the end of the axial side for keeping groove portion, the opening width of the 1st opening portion compares institute The outer diameter for stating conducting wire is small.The edge of the circumferential two sides of 1st opening portion is to have occurred the state of flexible deformation and described 1st Tap is touched and clips the part 1.

Invention effect

According to one method of the present invention, it provides the motor with following construction: can easily and firmly keep The conducting wire extended from coil, and the position of conducting wire can be finely adjusted.

Detailed description of the invention

Fig. 1 is the cross-sectional view for showing the motor of present embodiment.

Fig. 2 is the perspective view for showing the stator and the 1st busbar of present embodiment.

Fig. 3 is the figure of a part of the stator of present embodiment and the 1st busbar from upside.

Fig. 4 is the perspective view for showing the collets of present embodiment.

Fig. 5 is the figure from a part of the collets of circumferential unilateral observation present embodiment.

Fig. 6 is the perspective view for showing the conductor-retaining portion of present embodiment.

Fig. 7 is the figure for showing the conductor-retaining portion of present embodiment, is the cross-sectional view of the VII-VII line in Fig. 6.

Fig. 8 is the figure of a part of the stator of present embodiment from upside.

Fig. 9 is the figure of a part for showing the insulating part of present embodiment and a part of the 1st busbar, is along Fig. 3 IX-IX line cross-sectional view.

Figure 10 is the perspective view of a part for showing the insulating part of present embodiment and a part of the 1st busbar.

Specific embodiment

The Z-direction suitably shown in the various figures is with positive side be upside, with negative side be downside up and down direction.In each figure In the central axis J that suitably shows it is parallel with Z-direction, be the imaginary line vertically extended.In the following description, will The axial direction of central axis J, direction i.e. parallel with up and down direction are referred to as " axial direction ", by the radial direction centered on central axis J Circumferential direction centered on central axis J is referred to as " circumferential direction " by referred to as " radial direction ".In the various figures, suitably shown with arrow theta It is circumferential out.In the present embodiment, radially inner side is equivalent to radial side, and radial outside is equivalent to the radial other side.

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 side " towards the side advanced counterclockwise when the observation of downside, i.e. according to the side that the direction of arrow theta is advanced. By in circumferential direction from upside towards from downside when advance clockwise side, i.e. according to arrow theta towards opposite direction The side of advance is 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, 1st busbar 100, bearing retainer 50, bus bar unit 90 and control device 80.Bus bar unit 90 is protected with busbar Hold frame 60 and the 2nd busbar 70.As shown in Figure 1, shell 11 stores each section of motor 10.Shell 11 is in be with central axis J The cylindrical shape at center.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 annular in shape, is 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 40 and multiple coils 34.That is, motor 10 has stator core 31, insulating part 40 and multiple coils 34.In addition, simplification shows insulating part 40 in Fig. 1.Stator core 31 has core-back 32 and multiple Tooth 33.As shown in Fig. 2, core-back 32 is circumferentially.In more detail, core-back 32 is in centered on central axis J Cylindrical shape.

As shown in figure 3, multiple teeth 33 are radially extended from core-back 32.In more detail, multiple teeth 33 are carried on the back from iron core The radially inner side in portion 32 extends towards radially inner side.Multiple teeth 33 circumferentially equally spaced configure within the scope of complete cycle.33, tooth Such as it is provided with 12.

Tooth 33 has tooth main body 33e and umbrella portion 33f.Tooth main body 33e is the radially inner side from core-back 32 towards diameter The part extended inwardly.Umbrella portion 33f is connected with the end of the radially inner side of tooth main body 33e.Umbrella portion 33f is than tooth main body 33e is prominent to circumferential two sides.

Multiple coils 34 are respectively arranged in multiple teeth 33 across insulating part 40.Coil 34 is by conducting wire across insulating part 40 It is wound in tooth 33 and constitutes.Coil 34 is for example provided with 12.

As shown in figure 4, in the present embodiment, coil 34 is by Wire-wound be corner with the rectangular box-like of fillet and It constitutes.The outer diameter of coil 34 is maximum at the most peripheral conducting wire 34e for being wound in most peripheral in the conducting wire for constituting coil 34. Most peripheral conducting wire 34e is the part of the close radial outside in coil 34.Most peripheral conducting wire 34e is configured in the radial direction than coil 34 The position of radially inner side is leaned in the end in outside.Most peripheral conducting wire 34e is in corner with the rectangular box-like of fillet.

Lead-out wires of coil 34a, 34b have been drawn from each coil 34 to upside.Lead-out wires of coil 34a, 34b be from coil 34 to The conducting wire that upside extends is the end for constituting the conducting wire of coil 34.Lead-out wires of coil 34a is the beginning for constituting the conducting wire of coil 34 The end of winding side.Lead-out wires of coil 34b is the end for constituting the end winding side of the conducting wire of coil 34.Lead-out wires of coil 34a It is electrically connected with the 2nd busbar 70.Lead-out wires of coil 34b is electrically connected with the 1st busbar 100.

As shown in Figures 2 and 3, insulating part 40 is installed on stator core 31.In the present embodiment, insulating part 40 is to The holding member that 1 busbar 100 is kept.Insulating part 40 has multiple collets 40P.Multiple collets 40P circumferentially match It sets, is respectively arranged in tooth 33.In the present embodiment, multiple collets 40P are components seperated each other.Multiple collets 40P Shape it is mutually the same.As shown in figure 4, collets 40P is, for example, that two seperated components link in the axial direction and constitute.

There is collets 40P canister portion 41, Medial extrusion 42, conductor-retaining portion 43, outside protruding portion 44, busbar to keep Portion 45 and press section 48.That is, insulating part 40 has canister portion 41, Medial extrusion 42, conductor-retaining portion 43, outside protruding portion 44, busbar maintaining part 45 and press section 48.

Canister portion 41 is in the tubular radially extended.In more detail, canister portion 41 is in rectangular drum like.As shown in figure 5, tooth 33 is logical Cross canister portion 41.Tooth main body 33e is inserted in the inside of canister portion 41.Coil 34 is wound in the periphery of canister portion 41.Coil 34 is installed as a result, In canister portion 41.As shown in figure 4, the upward pleurapophysis in the edge of Medial extrusion 42 from the upside in the end of the radially inner side of canister portion 41 Out.Medial extrusion 42 is configured at the upside of umbrella portion 33f.In addition, canister portion 41 can not also cover the one of the outer peripheral surface of tooth 33 Part.In this case, for example, it can be between constituting two seperated components of collets 40P between being provided with Gap, the outer peripheral surface of tooth 33 are exposed at the outside of canister portion 41 via the gap.

Conductor-retaining portion 43 extends from the part of the circumferential other side of Medial extrusion 42 to upside.In present embodiment In, conductor-retaining portion 43 extends from the end of the circumferential other side of Medial extrusion 42 to upside.Conductor-retaining portion 43 passes through as a result, It is connected by Medial extrusion 42 with the end of the radially inner side of canister portion 41, it is more upwardly projecting than canister portion 41.Conductor-retaining portion 43 is in Substantially quadrangular shape.Size in the circumferential direction of conductor-retaining portion 43 becomes smaller with from downside towards upside.In addition, conducting wire is kept Portion 43 can also extend from the part of the circumferential side of Medial extrusion 42 to upside.In addition, conductor-retaining portion 43 can also be from The end of the circumferential side of Medial extrusion 42 extends to upside.

As shown in fig. 6, conductor-retaining portion 43, which has, keeps groove portion 43a.The hold-in winding lead-out wire in keeping groove portion 43a 34a.Groove portion 43a being recessed towards radially inner side from the radial outside of conductor-retaining portion 43 is kept, and is axially extended.Retention groove Portion 43a has the 1st opening portion 43b and the 2nd opening portion 43c.1st opening portion 43b is open in radial outside.The 1st opening portion edge 43b It is axially extending.1st opening portion 43b is in rectangular shape longer in the axial direction.The end and the 2nd of the upside of 1st opening portion 43b Opening portion 43c is connected.2nd opening portion 43c keep groove portion 43a upside end in upper side opening.That is, keeping groove portion 43a Upside it is open-ended.2nd opening portion 43c is in circular shape.The end of the downside of groove portion 43a is kept to be closed.

With on axially vertical section, keep the inner edge of groove portion 43a in arc-shaped.Keep the internal diameter of groove portion 43a than the 1st The opening width of opening portion 43b is big.The opening width of 1st opening portion 43b be the 1st opening portion 43b with the 1st opening portion 43b institute Size on the vertical direction of the radial both sides that the axial direction of extension and the 1st opening portion 43b are open.In not hold-in winding lead-out wire In the state of 34a, the opening width of the 1st opening portion 43b is uniform, the outer diameter than lead-out wires of coil 34a in entire axial direction It is small.The opening width of 2nd opening portion 43c is bigger than the outer diameter of lead-out wires of coil 34a.The opening width of 2nd opening portion 43c is to maintain The internal diameter of the end of the upside of groove portion 43a.

As shown in Figure 6 and Figure 7, the part for keeping the downside in the bottom surface of groove portion 43a is rake 43d, rake 43d It is located at radial outside with towards downside.The face of the radial outside of the end and conductor-retaining portion 43 of the downside of rake 43d It is connected.

It is held in and keeps the lead-out wires of coil 34a in groove portion 43a that there is part 1 34c and part 2 34d.1st Divide the part of the part of 34 downsides for being inserted into the 1st opening portion 43b.On the front end side of part 2 34d and part 1 34c is Side is connected.Part 2 34d is that the inside of groove portion 43a is being kept to keep groove portion 43a by being projected into from the 2nd opening portion 43c External part.

As described above, the opening width of the 1st opening portion 43b is drawn than coil in the state of not hold-in winding lead-out wire 34a The outer diameter of outlet 34a is small.Therefore, when the part 1 34c of lead-out wires of coil 34a is inserted in the 1st opening portion 43b, the 1st is opened Flexible deformation locally occurs for edge 43e, 43f of the circumferential two sides of oral area 43b, and the opening width of the 1st opening portion 43b locally expands Exhibition.Edge 43e, 43f of the circumferential two sides of the 1st opening portion 43b are in the state of having carried out flexible deformation and part 1 as a result, 34c is contacted and is clipped part 1 34c.Therefore, lead-out wires of coil 34a can be firmly fixed at and keeps groove portion 43a.

On the other hand, the opening width of the 2nd opening portion 43c is bigger than the outer diameter of lead-out wires of coil 34a.Therefore, passing through the 2nd Gap is provided between the inner edge of the part 2 34d and the 2nd opening portion 43c of opening portion 43c.Thereby, it is possible to by lead-out wires of coil 34a carries out the positioning of lead-out wires of coil 34a, while corresponding to the 2nd opening portion 43c's along keeping groove portion 43a to guide to upside The size in the gap between inner edge and lead-out wires of coil 34a and the position of lead-out wires of coil 34a is finely adjusted.Thus, it is easy to Lead-out wires of coil 34a is connect with other component.In the present embodiment, other component is the 2nd busbar 70.

In addition, the opening width of the 1st opening portion 43b insertion part 1 34c part and its spread around and become with The outer diameter of part 1 34c is identical, but smaller than the outer diameter of part 1 34c in other parts.As a result, in the upper of holding groove portion 43a The opening width of the end of side, the 1st opening portion 43b is smaller than the outer diameter of lead-out wires of coil 34a.Therefore, it is able to suppress and is accommodated in guarantor The part 2 34d held in groove portion 43a falls off from the 1st opening portion 43b to the outside of holding groove portion 43a.

In addition, the end of the upside of the 1st opening portion 43b is connected with the 2nd opening portion 43c.Therefore, for keeping groove portion 43a The operating personnel of hold-in winding lead-out wire 34a will extend to more top than conductor-retaining portion 43 in the radially inner side of conductor-retaining portion 43 The lead-out wires of coil 34a of the position of side is overwhelmed to radially inner side and is pressed into and is kept in groove portion 43a from the 1st opening portion 43b, thus It can easily make to keep groove portion 43a hold-in winding lead-out wire 34a.

As above, according to the present embodiment, the motor 10 with following construction obtained: can be easy and securely Ground hold-in winding lead-out wire 34a, and the position of lead-out wires of coil 34a can be finely adjusted.

In addition, according to the present embodiment, keeping the part of the downside in the bottom surface of groove portion 43a is with the position towards downside In the rake 43d of radial outside.Therefore, as shown in fig. 7, lead-out wires of coil 34a can be made along rake 43d.In as a result, When making to keep groove portion 43a hold-in winding lead-out wire 34a, without being bent lead-out wires of coil 34a substantially, it is easy to make to keep groove portion 43a hold-in winding lead-out wire 34a.

In addition, according to the present embodiment, on axially vertical section, keeping the inner edge of groove portion 43a in arc-shaped.Cause This, can make the medial surface for keeping groove portion 43a along the outer peripheral surface of the part 2 34d for the inside for being accommodated in holding groove portion 43a. Therefore, part 2 34d can be stably kept in the inside for keeping groove portion 43a, is easy to accurately to lead-out wires of coil 34a is positioned.

As shown in figure 4, the upward pleurapophysis in the edge of outside protruding portion 44 from the upside in the end of the radial outside of canister portion 41 Out.Outside protruding portion 44 extends than canister portion 41 to circumferential side.In more detail, outside protruding portion 44 is than canister portion 41 to circumferential two Side extends.In the present embodiment, outside protruding portion 44 is from the complete cycle of the end of the radial outside of canister portion 41 to canister portion 41 The a part for the flange portion that outside extends.

Busbar maintaining part 45 has base portion 45a, supporting part 45b, 45c, a pair of of wall portion 46a, 46b and a pair of of wall portion 47a,47b.That is, insulating part 40 have base portion 45a, supporting part 45b, 45c, a pair of of wall portion 46a, 46b and a pair of of wall portion 47a, 47b.Base portion 45a is upwardly projecting from outside protruding portion 44.Base portion 45a is in substantially rectangular parallelepiped circumferentially.Base portion 45a Circumferential direction on center of the center configuration in the circumferential direction than canister portion 41 lean on the position of the circumferential other side.

The part of supporting part 45b from the circumferential side in the upper end of base portion 45a is upwardly projecting.As shown in figure 8, bearing The position of circumferential side is leaned at center of the 45b configuration in portion in the circumferential direction than canister portion 41.The edge supporting part 45b and axially vertical direction It is linearly to extend.The direction that supporting part 45b is extended is with the tooth 33 installed in collets 40P towards circumferential side What is extended is radially located at the direction of inside.The parallel direction in the direction extended with supporting part 45b is known as " the 1st extension Direction ".

The end that extends partially into circumferential side of the supporting part 45b from the close circumferential side in the upper end of base portion 45a. As shown in figure 9, the cross sectional shape vertical with the 1st extending direction of supporting part 45b is the upper bottom generally trapezoidal shape smaller than going to the bottom. On the direction vertical with the 1st extending direction, the edge of the two sides of the upper end of supporting part 45b has fillet.Supporting part 45b from The lower aftermentioned 1st busbar main body 100a of side bearing.

As shown in figure 4, the part of supporting part 45c from the circumferential other side in the upper end of base portion 45a is upwardly projecting.Such as Shown in Fig. 8, the position of the circumferential other side is leaned at center of the supporting part 45c configuration in the circumferential direction than canister portion 41.Supporting part 45c along with The direction intersected with the 1st extending direction of supporting part 45b in axially vertical direction linearly extends.Supporting part 45c institute The direction of extension be with towards the circumferential other side and what the tooth 33 installed in collets 40P was extended be radially located inside Direction.The parallel direction in the direction extended with supporting part 45c is known as " the 2nd extending direction ".

Supporting part 45c extends to the end of the circumferential other side from the circumferential center portion in the upper end of base portion 45a.Though So the illustration is omitted, but supporting part 45c's and the 2nd extending direction it is vertical cross sectional shape it is for example identical as supporting part 45b.Bearing Portion 45c is from the aftermentioned 1st busbar main body 100a of lower side bearing.The length that supporting part 45c extends is longer than what supporting part 45b extended Degree is big.

As shown in figure 4, the radially inner edge portion of wall portion 46a from the part of the circumferential side in the upper end of base portion 45a is upward Side is prominent.The radially outer edge portion of wall portion 46b from the part of the circumferential side in the upper end of base portion 45a is upwardly projecting.Wall portion 46a is configured at the radially inner side of supporting part 45b.Wall portion 46b is configured at the radial outside of supporting part 45b.A pair of of wall portion 46a, 46b Extend along the 1st extending direction.As shown in figure 8, the length that length and wall portion 46b that wall portion 46a extends extend is prolonged with supporting part 45b The same length stretched.

A pair of of wall portion 46a, 46b be arranged on direction that is axially vertical and intersecting with the 1st extending direction.By one 1st clamping direction is set as to the direction of wall portion 46a, 46b arrangement.In the present embodiment, the 1st clamping direction is and axial direction and the The vertical direction of 1 extending direction both sides.A pair of of wall portion 46a, 46b clips supporting part 45b on the 1st clamping direction.That is, supporting part 45b is configured between a pair of of wall portion 46a, 46b.The wall surface 46c of the side supporting part 45b in wall portion 46a is along the 1st extending direction Extend.The wall surface 46d of the side supporting part 45b in wall portion 46b extends along the 1st extending direction.Wall surface 46c and wall surface 46d each other every Gap and it is opposed.That is, a pair of of wall portion 46a, 46b is with opposed across gap each other and along the extension of the 1st extending direction Wall surface 46c, 46d.

As shown in figure 9, the distance between the part of the upside of wall surface 46c and the part of upside of wall surface 46d L2 compare wall surface The distance between the part of the downside of 46c and the part of downside of wall surface 46d L1 are big.Therefore, a pair of of wall portion 46a, 46b each other it Between distance become larger in the part of upside.

As shown in figure 4, wall portion 47a from the radially inner edge portion of the part of the circumferential other side in the upper end of base portion 45a to Upside is prominent.Wall portion 47a is configured at the radially inner side of the part of the circumferential side in supporting part 45c.Week in supporting part 45c Wall portion 47a is not configured to the radially inner side of the part of the other side.Wall portion 47b is another from the circumferential direction in the upper end of base portion 45a The radially outer edge portion of the part of side is upwardly projecting.Wall portion 47b is configured at the radial outside of supporting part 45c.

A pair of of wall portion 47a, 47b extends along the 2nd extending direction.As shown in figure 8, the length that wall portion 47a extends compares supporting part The length that 45c extends is small.The length that wall portion 47b extends is bigger than the length that wall portion 46a, 46b, 47a extend.What wall portion 47b extended The same length that length and supporting part 45c extend.Wall portion 47a in addition to the shape with wall portion 46a in the circumferential it is symmetrical this It is the shape same shape with wall portion 46a except point.

A pair of of wall portion 47a, 47b be arranged on direction that is axially vertical and intersecting with the 2nd extending direction.By one 2nd clamping direction is set as to the direction of wall portion 47a, 47b arrangement.In the present embodiment, the 2nd clamping direction is and axial direction and the The vertical direction of 2 extending direction both sides.A pair of of wall portion 47a, 47b clips supporting part 45c on the 2nd clamping direction.That is, supporting part 45c is configured between a pair of of wall portion 47a, 47b.The wall surface 47c of the side supporting part 45c in wall portion 47a is along the 2nd extending direction Extend.The wall surface 47d of the side supporting part 45c in wall portion 47b extends along the 2nd extending direction.Wall surface 47c and wall surface 47d each other every Gap and it is opposed.That is, a pair of of wall portion 47a, 47b is with opposed across gap each other and along the extension of the 2nd extending direction Wall surface 47c, 47d.Although not shown, but the distance between a pair of of wall portion 47a, 47b in the same manner as wall portion 46a, 46b Become larger in the part of upside.

In a collets 40P, spatial portion G1 is provided between wall portion 46a, 46b and wall portion 47a, 47b.Supporting part 45b and supporting part 45c is configured to separate in the circumferential across spatial portion G1.Wall portion 46a, 46b and wall portion 47a, 47b are configured to It is separated in the circumferential across spatial portion G1.In the present embodiment, spatial portion G1 includes supporting part 45b's and supporting part 45c The space between space and wall portion 46a, 46b and the circumferential direction of wall portion 47a, 47b between circumferential direction.Spatial portion G1 is radially penetrated through Busbar maintaining part 45.Spatial portion G1 is open in upside and radially opposite sides.Spatial portion G1 configuration in the circumferential direction of canister portion 41 The identical circumferential position in center.

As shown in figure 3, the 1st extending direction that is extended of supporting part 45b and a pair of of wall portion 46a, 46b in circumferential side phase Supporting part 45c in adjacent collets 40P is parallel with the 2nd extending direction that a pair of of wall portion 47a, 47b is extended.In supporting part On 45b and the extended line of a pair of of wall portion 46a, 46b configured in the adjacent collets 40P in circumferential side supporting part 45c and A pair of of wall portion 47a, 47b.

In circumferentially adjacent a pair of of collets 40P, wall portion 47a in the collets 40P for being configured at circumferential side, Spatial portion G2 is provided between 47b and wall portion 46a, 46b being configured in the collets 40P of the circumferential other side.It is configured at circumferential direction Wall portion 47a, 47b in the collets 40P of side and wall portion 46a, 46b being configured in the collets 40P of the circumferential other side are matched It is set to and is separated in the circumferential across spatial portion G2.

As shown in figure 4, spatial portion G2 include circumferentially adjacent a pair of of collets 40P in busbar maintaining part 45 each other Circumferential direction between space.Spatial portion G2 is open in upside and radially opposite sides.Size in the circumferential direction of spatial portion G2 compares spatial portion Size in the circumferential direction of G1 is big.

As shown in Figure 10, since supporting part 45b and supporting part 45c are configured to separate in the circumferential across spatial portion G1, Therefore the recess portion 45d being recessed to downside is provided between supporting part 45b and supporting part 45c.That is, insulating part 40 has recess portion 45d.Recess portion 45d is open in radially opposite sides.The inside of recess portion 45d is for example contained in spatial portion G1.

As shown in figure 8, busbar maintaining part 45 has groove portion 45e, 45f, 45g, 45h.That is, insulating part 40 has groove portion 45e,45f,45g,45h.As shown in figure 9, groove portion 45e is recessed between wall portion 46a and supporting part 45b to downside.Groove portion 45f exists It is recessed between wall portion 46b and supporting part 45b to downside.As shown in figure 8, groove portion 45e, 45f extends along the 1st extending direction.Groove portion Both ends open on the 1st extending direction of 45e, 45f.Groove portion 45g is recessed between wall portion 47a and supporting part 45c to downside.Slot Portion 45h is recessed between wall portion 47b and supporting part 45c to downside.Groove portion 45g, 45h extends along the 2nd extending direction.Groove portion 45g, Both ends open on the 2nd extending direction of 45h.

Press section 48 is prominent from outside protruding portion 44 to radially inner side.In more detail, press section 48 is from outside protruding portion The end of 44 circumferential side is prominent to radially inner side.The configuration of press section 48 is in the position for leaning on circumferential side than canister portion 41.Pressing Portion 48 is the part for pressing lead-out wires of coil 34b.

When along end on observation, lead-out wires of coil 34b is configured at press section 48 and coil in the circumferential other side of press section 48 Between 34.Thus, it is easy to lead-out wires of coil 34b is clipped between press section 48 and coil 34, so as to suppression coil extraction Line 34b is scattered from coil 34, is moved.It is easy to constitute the end i.e. coil of the end winding side in the conducting wire of coil 34 as a result, Lead-out wire 34b is connect with the 1st busbar 100.In addition, pressing lead-out wires of coil 34b since coil 34 can be utilized, easily In the shape for simplifying press section 48.Thereby, it is possible to simplify the construction of insulating part 40, so as to reduce the manufacture of motor 10 at This.More than, according to the present embodiment, the motor 10 with following insulating part 40: simple structure is obtained, and be able to suppress knot The lead-out wires of coil 34b of beam winding side is mobile.

In the present embodiment, lead-out wires of coil 34b configuration is in most peripheral conducting wire 34e and the radial direction of outside protruding portion 44 Between.When along end on observation, lead-out wires of coil is compared in the distance between end and press section 48 of the circumferential side of most peripheral conducting wire 34e The outer diameter of 34b is small.Therefore, lead-out wires of coil 34b is able to suppress between most peripheral conducting wire 34e and press section 48 to circumferential side It falls off.Therefore, lead-out wires of coil 34b can be further suppressed to scatter, move from coil 34.

As shown in figure 4, press section 48 axially extends.Thereby, it is possible to increase the pressed portion 48 in lead-out wires of coil 34b Size in the axial direction of the part of bearing.Therefore, lead-out wires of coil 34b movement can be further suppressed using press section 48.Separately Outside, lead-out wires of coil 34b can be guided along press section 48 to upside, is easy to accurately carry out lead-out wires of coil 34b Positioning.

The position of the corner 34f that the end of the downside of press section 48 configured in the upside than most peripheral conducting wire 34e on the lower. In most peripheral conducting wire 34e is the part axially extended than the part of corner 34f on the lower, is the week of most peripheral conducting wire 34e To the end of side.Therefore, by making press section 48 extend to the position than corner 34f on the lower, most peripheral conducting wire can be made The end of the circumferential side of 34e is with a part of press section 48 opposed on axially vertical direction.Thereby, it is possible to more reliable Ground suppression coil lead-out wire 34b takes off between the end and press section 48 of the circumferential side of most peripheral conducting wire 34e to circumferential side It falls.

As shown in figure 5, the end of the downside of press section 48 is configured in the axial direction in position identical with the face of the upside of tooth 33 It sets or the position more upper than the face of the upside of tooth 33.Therefore, it is able to suppress press section 48 and excessively extends to downside.As a result, The conducting wire when coiled electrical conductor makes coil 34 is able to suppress to interfere with press section 48.Thus, it is easy to make coil 34.In In present embodiment, the end of the downside of press section 48 is configured in the axial direction in position identical with the face of the upside of tooth 33.

The end of the upside of press section 48 is configured in the position more upper than coil 34.Therefore, it is capable of increasing press section 48 Axial direction on size, so as to further increase the pressed portion 48 in lead-out wires of coil 34b bearing part axial direction On size.Therefore, lead-out wires of coil 34b movement can be further suppressed using press section 48.In addition, being easy to along press section 48, by lead-out wires of coil 34b side guidance further up, are easy to more precisely position lead-out wires of coil 34b.

As shown in Fig. 2, the 1st busbar 100 is electrically connected in the upside of stator 30 with stator 30.In the present embodiment, the 1st Busbar 100 is the neutral point busbar for linking up 2 or more coils 34 as neutral point.1st busbar 100 is in plate face With axially vertical plate.Therefore, the size in the axial direction of the 1st busbar 100 can be reduced, be easy to make motor 10 in the axial direction Miniaturization.1st busbar 100 extends along with axially vertical plane.In the present embodiment, the 1st busbar 100 is for example set It is equipped with 4.The shape of each 1st busbar 100 is mutually the same.

In addition, in the present specification, about each section of the 1st busbar, by the thickness direction and each section with each section The vertical direction of the direction both sides extended is known as " width direction " of each section.In the present embodiment, the width of the 1st busbar Degree direction is and axially vertical direction.

As shown in figure 3,1 the 1st busbar 100 is by 4 circumferentially adjacent collets 40P from lower side bearing.It will bearing 4 collets 40P of the 1st busbar 100 from circumferential side towards the circumferential other side be successively set to the 1st collets 40P1, 2nd collets 40P2, the 3rd collets 40P3, the 4th collets 40P4.That is, multiple collets 40P include the 1st collets 40P1, 2nd collets 40P2, the collets 40P of the 3rd collets 40P3 and the 4th collets 40P4 as circumferentially adjacent configuration.

1st busbar 100 has the 1st busbar main body 100a, coil interconnecting piece 121,122,123.1st busbar main body 100a extends along with axially vertical plane.In the present embodiment, the 1st busbar main body 100a is in broken line circumferentially Shape extends.In the present specification, " polyline shaped circumferentially " is for example comprising along the vacation being inscribed in centered on central axis J Think the shape on the side of round polygon.In the present embodiment, the 1st busbar main body 100a is in along being inscribed in central axis The shape on adjacent 3 side in the dodecagon of the imaginary circle centered on J.

1st busbar main body 100a is being supported by the position of radial outside by insulating part 40 than coil 34.1st busbar master Body 100a is kept by busbar maintaining part 45.1st busbar main body 100a have the 1st extension 101, the 2nd extension 102 and 3rd extension 103.

1st extension 101 is held by them across the 1st collets 40P1 and the 2nd collets 40P2.1st extension 101 By the supporting part 45b of the supporting part 45c of the 1st collets 40P1 and the 2nd collets 40P2 from lower side bearing.1st extension as a result, 101 set up the supporting part 45b to the 2nd collets 40P2 from the supporting part 45c of the 1st collets 40P1.That is, the 1st busbar main body 100a sets up the supporting part 45b to the 2nd collets 40P2 from the supporting part 45c of the 1st collets 40P1.

1st extension 101 extends along with the 1st axially vertical direction D1.In the present embodiment, the 1st direction D1 is the 1st The 2nd extending direction in collets 40P1 is the 1st extending direction in the 2nd collets 40P2.

An end of 1st direction D1 of the 1st extension 101 configure a pair of of wall portion 47a in the 1st collets 40P1, Between 47b.An end of 1st direction D1 of the 1st extension 101 by the 1st collets 40P1 a pair of of wall portion 47a, 47b as with it is axially vertical and with clipped in the 1st vertical direction in the direction intersected the 1st direction D1.In present embodiment In, the 1st vertical direction is the 2nd clamping direction in the 1st collets 40P1, is the 1st clamping direction in the 2nd collets 40P2. That is, in the present embodiment, the 1st vertical direction is vertical with axial and the 1st direction D1 both sides.1st direction of the 1st extension 101 An end of D1 is the end of the circumferential side of the 1st extension 101, is the end of the circumferential side of the 1st busbar main body 100a Portion.

An end of 1st direction D1 of the 1st extension 101 is the those widened sections become large-sized in the 1st vertical direction 101a.Therefore, can reduce between a pair of of wall portion 47a, 47b between the 1st extension 101 and a pair of of wall portion 47a, 47b Gap.Thereby, it is possible to so that insulating part 40 is more stably kept the 1st busbar 100.1st direction D1's of the 1st extension 101 The end face of one end is exposed to the spatial portion G1 of the 1st collets 40P1.

The other end of 1st direction D1 of the 1st extension 101 is connected with the 2nd extension 102.That is, as those widened sections 101a The end of the 1st direction D1 of the 1st extension 101 be the side being connected with the 2nd extension 102 in the 1st extension 101 Opposite side end.The other end of 1st direction D1 of the 1st extension 101 configures a pair of of wall in the 2nd collets 40P2 Between portion 46a, 46b.The other end of 1st direction D1 of the 1st extension 101 is the circumferential other side of the 1st extension 101 End.

As above, the 1st extension 101 in the 1st vertical direction by the 1st collets 40P1 a pair of of wall portion 47a, 47b is clipped, and is clipped by a pair of of wall portion 46a, 46b in the 2nd collets 40P2.

2nd extension 102 is held by them across the 2nd collets 40P2 and the 3rd collets 40P3.2nd extension 102 By the supporting part 45b of the supporting part 45c of the 2nd collets 40P2 and the 3rd collets 40P3 from lower side bearing.2nd extension as a result, 102 set up the supporting part 45b to the 3rd collets 40P3 from the supporting part 45c of the 2nd collets 40P2.That is, the 1st busbar main body 100a sets up the supporting part 45b to the 3rd collets 40P3 from the supporting part 45c of the 2nd collets 40P2.

2nd extension 102 from the other end of the 1st direction D1 of the 1st extension 101 along with it is axially vertical and with the 1st The 2nd direction D2 that direction D1 intersects extends.In the present embodiment, the 2nd direction D2 is the 2nd extension in the 2nd collets 40P2 Direction is the 1st extending direction in the 3rd collets 40P3.

An end of 2nd direction D2 of the 2nd extension 102 be configured at a pair of of wall portion 47a in the 2nd collets 40P2, Between 47b.An end of 2nd direction D2 of the 2nd extension 102 by the 2nd collets 40P2 a pair of of wall portion 47a, 47b as with it is axially vertical and with clipped in the 2nd vertical direction in the direction intersected the 2nd direction D2.In present embodiment In, the 2nd vertical direction is the 2nd clamping direction in the 2nd collets 40P2, is the 1st clamping direction in the 3rd collets 40P3. That is, in the present embodiment, the 2nd vertical direction is vertical with axial and the 2nd direction D2 both sides.2nd direction of the 2nd extension 102 An end of D2 is the end of the circumferential side of the 2nd extension 102.The other end of 2nd direction D2 of the 2nd extension 102 It is connected with the 3rd extension 103.The other end of 2nd direction D2 of the 2nd extension 102 is configured at one in the 3rd collets 40P3 To between wall portion 46a, 46b.The other end of 2nd direction D2 of the 2nd extension 102 is the circumferential another of the 2nd extension 102 The end of side.

As described above, the 2nd extension 102 in the 2nd vertical direction by the 2nd collets 40P2 a pair of of wall portion 47a, 47b is clipped, and is clipped by a pair of of wall portion 46a, 46b in the 3rd collets 40P3.

3rd extension 103 is held by them across the 3rd collets 40P3 and the 4th collets 40P4.3rd extension 103 By the supporting part 45b of the supporting part 45c of the 3rd collets 40P3 and the 4th collets 40P4 from lower side bearing.3rd extension as a result, 103 set up the supporting part 45b to the 4th collets 40P4 from the supporting part 45c of the 3rd collets 40P3.That is, the 1st busbar main body 100a sets up the supporting part 45b to the 4th collets 40P4 from the supporting part 45c of the 3rd collets 40P3.

3rd extension 103 from the other end of the 2nd direction D2 of the 2nd extension 102 along with it is axially vertical and with the 2nd The 3rd direction D3 that direction D2 intersects extends.In the present embodiment, the 3rd direction D3 is the 2nd extension in the 3rd collets 40P3 Direction is the 1st extending direction in the 4th collets 40P4.3rd direction D3 is the direction intersected with the 1st direction D1.

An end of 3rd direction D3 of the 3rd extension 103 be configured at a pair of of wall portion 47a in the 3rd collets 40P3, Between 47b.An end of 3rd direction D3 of the 3rd extension 103 by the 3rd collets 40P3 a pair of of wall portion 47a, 47b as with it is axially vertical and with clipped in the 3rd vertical direction in the direction intersected the 3rd direction D3.In present embodiment In, the 3rd vertical direction is the 2nd clamping direction in the 3rd collets 40P3, is the 1st clamping direction in the 4th collets 40P4. That is, in the present embodiment, the 3rd vertical direction is vertical with axial and the 3rd direction D3 both sides.3rd direction of the 3rd extension 103 An end of D3 is the end of the circumferential side of the 3rd extension 103.The other end of 3rd direction D3 of the 3rd extension 103 It is configured between a pair of of wall portion 46a, 46b in the 4th collets 40P4.3rd direction D3's of the 3rd extension 103 is another End is the end of the circumferential other side of the 3rd extension 103, is the end of the circumferential other side of the 1st busbar main body 100a.

As above, the 3rd extension 103 in the 3rd vertical direction by the 3rd collets 40P3 a pair of of wall portion 47a, 47b is clipped, and is clipped by a pair of of wall portion 46a, 46b in the 4th collets 40P4.

The other end of 3rd direction D3 of the 3rd extension 103 is the those widened sections become large-sized in the 3rd vertical direction 103a.Therefore, can reduce between a pair of of wall portion 46a, 46b between the 3rd extension 103 and a pair of of wall portion 46a, 46b Gap.Thereby, it is possible to so that insulating part 40 is more stably kept the 1st busbar 100.3rd direction D3's of the 3rd extension 103 The end face of the other end is exposed to the spatial portion G1 of the 4th collets 40P4.

Wall surface of each extension between a pair of of wall portion along each wall portion is positioned.1st busbar, 100 quilt as a result, It positions and is kept by insulating part 40.

The 1st corner 111 as the corner for being connected with the 1st extension 101 and the 2nd extension 102 is configured at the 2nd collets The spatial portion G1 of 40P2.It is not provided with wall portion in the width direction two sides in the 1st corner 111, the 1st corner 111 is not clamped by wall portion.

For example, a pair of of wall portion is along the 1st in the case where the width direction two sides in the 1st corner are provided with a pair of of wall portion Corner is bent and extends.In this case, the 1st corner is embedded between the curved corner in a pair of of wall portion.But when Since the length of the 1st extension or the length of the 2nd extension generate error etc. and the size of the 1st busbar is caused to generate error When, there are the positions in the 1st corner to cause the 1st corner that can not be embedded into wall relative to the curved corner offset in a pair of of wall portion The case where between portion.Therefore, the 1st busbar can not be configured between a pair of of wall portion sometimes.

In contrast, according to the present embodiment, the 1st corner 111 is configured at spatial portion G1.Therefore, even if in the 1st busbar In the case that 100 size produces error, also allow the size of the width of the positional shift spatial portion G1 in the 1st corner 111.By 1st busbar 100 can be also configured at by this even if the position in the 1st corner 111 is caused to shift due to scale error Between each wall portion.Therefore, the 1st busbar 100 can be configured, easily so as to improve the assemblability of motor 10.With On, according to the present embodiment, obtain the motor 10 with the construction that can be improved assemblability.

In addition, according to the present embodiment, the holding member kept to the 1st busbar 100 is insulating part 40.Therefore, The 1st busbar 100 can be kept using insulating part 40, without the guarantor kept to the 1st busbar 100 is in addition arranged Hold component.Therefore, the number of components of motor 10 can be reduced, assemblability can be further increased.

In addition, according to the present embodiment, the 1st busbar main body 100a is being insulated than coil 34 by the position of radial outside Part 40 supports.Thus, for example being supported by the position of radially inner side by insulating part 40 with the 1st busbar main body 100a than coil 34 The case where compare, be easy to ensure larger by the region for keeping the 1st busbar main body 100a in insulating part 40.Cause This, is easy to that insulating part 40 is made to keep the 1st busbar 100.In addition, the 1st busbar main body 100a prolongs in polyline shaped circumferentially It stretches.Thus, it is easy to which the 1st busbar main body 100a configuration to be leaned on to the part of radial outside in the ratio coil 34 of insulating part 40.

When along end on observation, the 1st corner 111 is configured in the position Chong Die with the 2nd collets 40P2.Thus, it is easy to utilize 2nd collets 40P2 near the 1st corner 111 to supporting.Thereby, it is possible to so that insulating part 40 is stably kept the 1st confluence Item 100.

As shown in Figure 10, the vertex in the 1st corner 111 is towards radial outside.Radially opposite sides in the 1st corner 111 are not matched Set the part of insulating part 40.From radial outside when insulating part 40, the 1st corner 111 is exposed to the outside of insulating part 40.From diameter When observing insulating part 40 inwardly, the 1st corner 111 is exposed to the outside of insulating part 40.When along end on observation, the 1st corner 111 with Recess portion 45d overlapping.

For example, in the case where the plate component that bending linearly extends is to make the 1st busbar 100, sometimes in quilt 1st corner 111 of bending generates flexure, a part in the 1st corner 111 buckling in the axial direction.Therefore, from lower side bearing the 1st In the case where corner 111, the 1st corner 111 is caused to tilt due to the part of buckling sometimes.There is the 1st busbar as a result, to stick up The case where rising and can not accurately configuring 1 busbar.

In contrast, according to the present embodiment, it even if in the case where a part of buckling in the 1st corner 111, can also borrow It helps recess portion 45d and avoids the part of buckling.Therefore, it is able to suppress the tilting of the 1st busbar 100.Therefore, it can accurately configure 1st busbar 100.

As shown in figure 3, the 2nd corner 112 as the corner for being connected with the 2nd extension 102 and the 3rd extension 103 configures In the spatial portion G1 of the 3rd collets 40P3.Be not provided with wall portion in the width direction two sides in the 2nd corner 112, the 2nd corner 112 not by Wall portion clamping.

In this way, in the present embodiment, being provided with 2 corners, i.e. the 1st corner in 1 the 1st busbar main body 100a 111 and the 2nd corner 112.In this case, for example, the case where the width direction two sides in each corner are provided with a pair of of wall portion Under, it needs to keep each corner both sides consistent with the curved corner difference in a pair of of wall portion.Therefore, when the size of the 1st busbar produces When having given birth to error, there is the case where between the 1st busbar can not be further embedded into wall portion.

In contrast, according to the present embodiment, the 1st corner 111 and the 2nd corner 112 are respectively arranged at spatial portion G1, therefore The positional shift in the 1st corner 111 and the 2nd corner 112 is allowed to.Even if leading to the 1st corner 111 due to scale error as a result, Position and the position in the 2nd corner 112 deviate respectively, the 1st busbar 100 can be also configured between each wall portion.Cause This, the effect that can be easily configured at the 1st busbar 100 between each wall portion of present embodiment is at 1 the 1st The case where 2 are provided in busbar main body 100a with upper corner is particularly useful.

In addition, according to the present embodiment, the distance and a pair of of wall portion between a pair of of wall portion 46a, 46b as described above Distance between 47a, 47b becomes larger in the part of upside.Thus, it is easy to by each extension of the 1st busbar main body 100a It is inserted into and is embedded between each wall portion from upside.Therefore, according to the present embodiment, the 1st confluence can more easily be configured Item 100 can further increase the assemblability of motor 10.

1st busbar main body 100a has middle part 101b, 102b, 103b.Middle part 101b, 102b, 103b are configured at Spatial portion G2.Middle part 101b is a part of the 1st extension 101, is being located at by the 1st absolutely in the 1st busbar main body 100a Portion between the part of the supporting part 45c bearing of edge block 40P1 and the part supported by the supporting part 45b of the 2nd collets 40P2 Point.

Middle part 102b is a part of the 2nd extension 102, is being located at by the 2nd insulation in the 1st busbar main body 100a Part between the part of the supporting part 45c bearing of block 40P2 and the part supported by the supporting part 45b of the 3rd collets 40P3.

Middle part 103b is a part of the 3rd extension 103, is being located at by the 3rd insulation in the 1st busbar main body 100a Part between the part of the supporting part 45c bearing of block 40P3 and the part supported by the supporting part 45b of the 4th collets 40P4.

The part of insulating part 40 is not configured in the radially opposite sides of middle part 101b, 102b, 103b.From radial outside When insulating part 40, middle part 101b, 102b, 103b are exposed to the outside of insulating part 40.From radially inner side when insulating part 40, Middle part 101b, 102b, 103b are exposed to the outside of insulating part 40.

Coil interconnecting piece 121,122,123 extends from the 1st busbar main body 100a.Coil interconnecting piece 121 and middle part 101b is connected.Coil interconnecting piece 122 is connect with middle part 102b.Coil interconnecting piece 123 is connected with middle part 103b.Coil connection Portion 121 is prominent to radially inner side from the center on the 1st direction D1 of middle part 101b and to another lateral bending of circumferential direction in hook-shaped It is bent.

Lead-out wires of coil 34b is clipped between middle part 101b and coil interconnecting piece 121.That is, in the 1st busbar main body Lead-out wires of coil 34b is clipped between 100a and coil interconnecting piece 121.Although not shown, but coil interconnecting piece 122 to radial direction Outside calking and lead-out wires of coil 34b is held between the coil interconnecting piece 122 and middle part 101b.Middle part 101b It is for example fixed up by welding and lead-out wires of coil 34b with coil interconnecting piece 121.Lead-out wires of coil 34b and the 1st as a result, Busbar main body 100a and coil interconnecting piece 121 connect.Coil interconnecting piece 122 and coil interconnecting piece 123 are in addition to connected centre Except portion's difference this point, remaining is identical as coil interconnecting piece 121.

According to the present embodiment, middle part 101b, 102b, 103b is configured at spatial portion G2, coil interconnecting piece 121,122, 123 are connected with middle part 101b, 102b, 103b.Therefore, to coil interconnecting piece 121,122,123 carry out calking operation and In the operation welded to coil interconnecting piece 121,122,123 and the 1st busbar main body 100a and lead-out wires of coil 34b, energy Enough spaces ensured by spatial portion G2 for carrying out operation.It is easy to carry out each operation as a result,.In addition, be able to suppress into The 1st busbar main body 100a insulating part 40 kept is damaged because of heat when the operation of row welding.Therefore, according to this implementation Mode has obtained the motor 10 with following construction: being easy to connect coil interconnecting piece 121,122,123 and lead-out wires of coil 34b It picks up and, and be able to suppress the damage of insulating part 40.

In addition, according to the present embodiment, coil interconnecting piece 121,122,123 and the diameter of the 1st busbar main body 100a are inside The edge of side is connected.As a result, in the 1st busbar main body 100a as described above more exhausted by the position of radial outside than coil 34 In the case that edge part 40 is kept, it is easy to connect lead-out wires of coil 34b and coil interconnecting piece 121,122,123.

In addition, according to the present embodiment, middle part 101b, 102b, 103b are each extensions being erected between each supporting part The part of the centre in portion.Therefore, middle part 101b, 102b, 103b is configured to separate to upside with insulating part 40.More hold as a result, Easily carry out the operation of operation and the welding of above-mentioned calking.In addition, the hot from the 1st busbar main body of welding can be further suppressed 100a is transmitted to insulating part 40, can further suppress the damage of insulating part 40.

As shown in Figure 1, bearing retainer 50 is configured at the upside of stator 30.Bearing retainer 50 is in be with central axis J The annular shape at center.The outer peripheral surface of bearing retainer 50 is fixed on the inner peripheral surface of shell 11.In the inner peripheral surface of bearing retainer 50 On maintain bearing 52.Bearing retainer 50 has along the through hole 50a axially through bearing retainer 50.Lead-out wires of coil 34a passes through through hole 50a.

Busbar retainer 60 is configured at the upside of bearing retainer 50.Busbar retainer 60 has along axially through remittance Flow the through hole 61 of a retainer 60.2nd busbar 70 has the 2nd busbar main body 71, connection terminal 72 and handle part 73. 2nd busbar main body 71 is embedded in busbar retainer 60.Handle part 73 is prominent to the inside of through hole 61, to lead-out wires of coil 34a is held.Connection terminal 72 is connect with control device 80.

Control device 80 is configured at the upside of bus bar unit 90.Control device 80 converges via connection terminal 72 and the 2nd Item 70 is electrically connected.Control device 80 is to provide the power supply of electric power to stator 30 via the 2nd busbar 70.Control device 80, which has, to be set It is equipped with the substrate etc. of inverter circuit, the electric power which provides is controlled.

The present invention is not limited to above-mentioned embodiments, can also use other structures below.The quantity of 1st busbar is only To be 1 or more, be not particularly limited.In 1 the 1st busbar main body, it is as long as the quantity in corner is 1 or more Can, it is not particularly limited.That is, the 1st busbar main body can only have the 1st corner be used as corner, can also in addition to the 1st corner with Also there are other corners except 2nd corner.In addition, those widened sections, which can also be configured at, is connected with the 1st extension and the 2nd extension Between wall portion in collets locating for 1st corner.For example, in the above-described embodiment, it can also be in the 2nd collets Wall portion 46a, 46b of 40P2 is configured with the those widened sections 101a of the 1st extension 101 each other.In this case, the 1st extension 101 are for example only supported by the 2nd collets 40P2.In addition, in this case, the length of the 1st extension 101 for example extends than the 2nd The length in portion 102 is short.The part other than the end in each extension also can be set in those widened sections.1st busbar can not also With those widened sections.

As long as the 2nd direction that the 1st direction and the 2nd extension that the 1st extension is extended are extended with it is axially vertical simultaneously And direction intersected with each other, it is not particularly limited.As long as the 1st vertical direction with it is axially vertical and with the 1st direction hand over The direction of fork may not be vertical with the 1st direction.As long as the 2nd vertical direction with it is axially vertical and with the 2nd direction The direction of intersection may not be vertical with the 2nd direction.As long as the 3rd vertical direction with it is axially vertical and with the 3rd side To the direction of intersection, may not be vertical with the 3rd direction.The plate face of 1st busbar can also be parallel with axial direction.1st Busbar is also possible to mutually use busbar.The manufacturing method of 1st busbar does not limit.1st busbar is also possible to from plate portion Part is directly punched out the shape of the 1st above-mentioned busbar 100 to make.

In insulating part, multiple collets can also be interconnected.The holding member kept to the 1st busbar does not have It is particularly limited to, may not be insulating part.For example, the holding member kept to the 1st busbar is respectively set with insulating part. The quantity of wall portion is not particularly limited.It can also be not provided with wall portion.The quantity of supporting part is not particularly limited.It can also be not provided with Supporting part.It can also be not provided with recess portion.The shape of press section is not particularly limited.It can also be not provided with press section.Keep groove portion The opening width of the 1st opening portion can also change in the axial direction.Keep the part of the downside in the bottom surface of groove portion can not also Inclination.The shape of the inner edge of groove portion is kept to be not particularly limited.The lead-out wires of coil for being kept groove portion holding is also possible to constitute The end of the end winding side of the conducting wire of coil.

Each spatial portion also may include surrounding space other than comprising the space between each wall portion.Each sky Between portion for example also may include than each wall portion lean on radial outside space, also may include than each wall portion lean on radially inner side sky Between.That is, for example, each corner for being configured at each spatial portion, which may be set to be, is projected into the position that than each pair wall portion leans on radial outside It sets, also can be set and lean on the position of radially inner side in than each pair wall portion.Each middle part for being configured at each spatial portion also can be set To be projected into the position that than each pair wall portion leans on radial outside, it also can be set and lean on the position of radially inner side in than each pair wall portion.

In addition, the purposes of the motor of above-mentioned embodiment is not particularly limited.In addition, above-mentioned each structure can be in phase It is appropriately combined in mutual reconcilable range.

Label declaration

10: motor；20: rotor；21: axis；30: stator；31: stator core；32: core-back；33: tooth；34: coil； 34a: lead-out wires of coil (conducting wire)；34c: part 1；34d: part 2；40: insulating part；41: canister portion；43: conductor-retaining portion； 43a: groove portion is kept；43b: the 1 opening portion；43c: the 2 opening portion；43d: rake；43e, 43f: edge；J: central axis.

Claims (5)

1. a kind of motor, includes

Rotor has the axis configured along central axis；And

Stator, opposed across gap radially with the rotor, which has coil,

The stator includes

Stator core, with core-back circumferentially and the multiple teeth radially extended from the core-back；

Insulating part is installed on the stator core；And

Multiple coils, they are respectively arranged in multiple teeth across the insulating part,

The insulating part includes

The canister portion of tubular is installed for the coil, and the tooth passes through the canister portion；And

Conductor-retaining portion is connected with the end of the radial side of cartridge, and side is prominent in the axial direction than cartridge,

The conductor-retaining portion has being recessed towards radial side and along axis from the radial other side of the conductor-retaining portion To the holding groove portion of extension,

The holding groove portion includes

1st opening portion in radial another side opening, and axially extends；And

2nd opening portion, the axial side for keeping groove portion end in an axial side opening,

The end of the axial side of 1st opening portion is connected with the 2nd opening portion,

The conducting wire extended from the coil is maintained in the holding groove portion,

The conducting wire includes

Part 1 is inserted in the part of the axial other side of the 1st opening portion；And

Part 2 is connected with the front end side of the part 1, prominent from the 2nd opening portion across the inside for keeping groove portion The outside for keeping groove portion is arrived out,

The opening width of 2nd opening portion is bigger than the outer diameter of the conducting wire,

In the end of the axial side for keeping groove portion, the opening width of the 1st opening portion is smaller than the outer diameter of the conducting wire,

The edge of the circumferential two sides of 1st opening portion is contacted with the part 1 so that the state of flexible deformation has occurred and is pressed from both sides The part 1.

2. motor according to claim 1, wherein

The part of the axial other side in the bottom surface for keeping groove portion is located at radial another with towards the axial other side The rake of side.

3. motor according to claim 1 or 2, wherein

With on axially vertical section, the inner edge for keeping groove portion is in arc-shaped.

4. according to claim 1 to motor described in any one in 3, wherein

Side is prominent in the axial direction for edge of the insulating part with the axial side from the end of the radially inner side of cartridge Medial extrusion,

From the Medial extrusion, side extends the conductor-retaining portion in the axial direction.

5. motor according to claim 4, wherein

From the circumferential end of the Medial extrusion, side extends the conductor-retaining portion in the axial direction.