CN110120727A - The manufacturing method and motor of motor - Google Patents

Abstract

The manufacturing method and motor of present invention offer motor.In the manufacturing method of the motor of one embodiment of the present invention, which has shell, which includes the 1st shell；And the 2nd shell, it is fixed on the 1st shell in a manner of the portion contacts of the edge of the 2nd opening portion and the 1st opening portion, the manufacturing method of the motor includes the following process: liquid gasket portion formation process, applies the washer of liquid and forms the liquid gasket portion that at least part is configured at part including the edge comprising the 1st opening portion；And installation procedure, the edge of the edge and the 2nd opening portion that make the 1st opening portion is contacted across liquid gasket portion, so that the 2nd shell is installed on the 1st shell.The shape that liquid gasket portion is disconnected in cricoid a part circumferentially across space part.In installation procedure, liquid gasket portion is made to extend and will be joined to one another in liquid gasket portion across the part that space part disconnects, to form cricoid 1st ring spacer portion circumferentially.

Description

The manufacturing method and motor of motor

Technical field

The present invention relates to the manufacturing method of motor and motors.

Background technique

A kind of known motor has the shell for being fixed to one another and constituting there are two seperated component.For example, Japanese public It opens in bulletin special open 2013-211978 bulletin and describes the shell being made of housing main body and bracket.

In motor as described above, sometimes for the purpose of waterproof and being provided with will seal between housing main body and bracket Washer portion.In this case, the washer that liquid is annularly applied on the joint surface of housing main body or bracket, across liquid Washer and housing main body is got up and is fixed with bracket combination.It is made and hardening the washer of liquid as a result, Washer portion out.

But in situation as described above, when combining housing main body and bracket, the air of interior of shell can be passed through sometimes Lead to the washer of liquid and is discharged to outside.Therefore, sometimes due to air and cause liquid washer a part extension and it is thinning, To be sealed between housing main body and bracket with being unable to fully.

Summary of the invention

In view of the foregoing, one of its goals is to provide the washer of coating liquid and form the horse of washer portion the present invention The manufacturing method reached, the manufacturing method of the motor can be improved the leakproofness between the 1st shell and the 2nd shell.In addition, of the invention The first purpose be, a kind of motor with following construction is provided: can by the washer of liquid manufacture washer portion mention Leakproofness between high 1st shell and the 2nd shell.

In the manufacturing method of the motor of one embodiment of the present invention, which includes rotor, has along central axis The axis of line configuration；Stator is configured at the radial outside of the rotor；And shell, the rotor and institute are stored in inside Stator is stated, the shell includes the 1st shell of tubular, has in the 1st opening portion of an axial side opening；And tubular 2nd shell has in the 2nd opening portion of axial another side opening, and the 2nd shell is in the axial side of the 1st shell The mode of the portion contacts of the edge and the 1st opening portion of 2nd opening portion is fixed on the 1st shell, the motor Manufacturing method include the following process: liquid gasket portion formation process applies the washer of liquid and forms liquid gasket portion, the liquid At least part of shape washer portion is configured at the part including the edge comprising the 1st opening portion；And installation procedure, make institute The edge for stating the 1st opening portion is contacted with the edge of the 2nd opening portion across the liquid gasket portion, thus by the described 2nd Shell is installed on the 1st shell.The liquid gasket portion is disconnected in cricoid a part circumferentially across space part Shape.In the installation procedure, make the liquid gasket portion extend and by the liquid gasket portion across the gap The part that portion disconnects is joined to one another, to form cricoid 1st ring spacer portion circumferentially.

Said motor includes busbar, is electrically connected with stator；And busbar retainer, it is configured at the axis of stator To side, busbar is kept.Shell has the through hole for the wall portion for radially penetrating through shell.Busbar retainer tool Have: busbar keeps frame body, is configured at the inside of shell；And connector portion, keep frame body to diameter from busbar Extend outward, the outside of shell is projected into via through hole.Above-mentioned manufacturing method also includes: the 1st arrangement step, by rotor With stator arrangement in the inside of the 1st shell；And the 2nd arrangement step, busbar retainer is configured to the axial direction of the stator Side.In liquid gasket portion formation process, circumferentially at least to the pad of the face of the axial side of connector portion coating liquid Enclose and form liquid gasket portion, in installation procedure, make the 2nd shell across liquid gasket portion and with the axial side of connector portion Face contact.

Said motor also includes the 1st seal member, in the ring-type circumferentially extended, is configured at busbar retainer Radial outer side in the axial other side part；And the 2nd seal member, in the ring-type circumferentially extended, configuration In the face of the axial side of busbar retainer.2nd shell includes the 2nd shell cover, covers the axial side of stator；With And the 2nd shell canister portion, from the radially outer edge portion of the 2nd shell cover, the other side extends in the axial direction.

In the 2nd arrangement step, the part of the axial other side of busbar retainer is embedded in the inside of the 1st shell, It will be sealed between the radially inner side face of the 1st shell and the radial outer side of busbar retainer by the 1st seal member.

In liquid gasket portion formation process, it is formed in liquid gasket portion than the 2nd seal member by radial outside Position.

In the installation procedure of above-mentioned manufacturing method, keep the 2nd shell cover with busbar across the 2nd seal member The face contact of the axial side of frame, thus by the face of the axial other side of the 2nd shell cover and axial the one of busbar retainer It is sealed between the face of side.

It include also working procedure of coating before above-mentioned 2nd arrangement step in above-mentioned manufacturing method, in the working procedure of coating, The circumferentially washer of the part coating liquid of the axial other side for being configured at connector portion into the edge of the 1st opening portion.

In liquid gasket portion formation process, make the washer of the liquid on the face of the axial side coated in connector portion Circumferential both ends are connect with the circumferential both ends of the washer of the liquid applied in working procedure of coating respectively.

Above-mentioned space part is configured at the face of the axial side of connector portion.

Liquid gasket portion has across space part and in the circumferential opposed the 1st opposed portion and the 2nd opposed portion.

1st ring spacer portion has the 1st interconnecting piece for being connected by the 1st opposed portion with the 2nd opposed portion and constituting.1st connects The radial size of socket part is more than or less than the radial size of the part other than the 1st interconnecting piece in the 1st ring spacer portion.

Liquid gasket portion has the 3rd opposed portion and the 4th opposed portion circumferentially.3rd opposed portion and the 4th opposed portion every Space part and it is opposed radially.

1st ring spacer portion has the 2nd interconnecting piece for being connected by the 3rd opposed portion with the 4th opposed portion and constituting.The The radial size of 2 interconnecting pieces is greater than the radial size of the part other than the 2nd interconnecting piece in the 1st ring spacer portion.

The motor of one embodiment of the present invention includes rotor, has the axis configured along central axis；Stator is matched It is placed in the radial outside of the rotor；And shell, the rotor and the stator are stored in inside.The shell includes 1st shell of tubular has in the 1st opening portion of an axial side opening；And the 2nd shell of tubular, have in axial direction 2nd opening portion of another side opening, the 2nd shell with the edge of the 2nd opening portion described in the axial side of the 1st shell with The mode of the portion contacts of 1st opening portion is fixed on the 1st shell.It opens the edge and the described 2nd of 1st opening portion The edge of oral area is contacted across cricoid 1st ring spacer portion circumferentially.The 1st ring spacer portion is the pad of liquid Circle system, and there is the radial part become large-sized in circumferential a part or there is radial direction in circumferential a part The part that becomes smaller of size.

Said motor also includes busbar, is electrically connected with stator；And busbar retainer, it is configured at stator Axial side keeps the busbar.

Shell has the through hole for the wall portion for radially penetrating through the shell.

Busbar retainer includes busbar and keeps frame body, is configured at the inside of shell；And connector portion, It keeps frame body to extend to radial outside from busbar, the outside of shell is projected into via through hole.

1st ring spacer portion includes between the axial direction of the edge of the edge and the 2nd opening portion that are configured at the 1st opening portion Part；And it is configured at the part between the face of the axial side of connector portion and the axial direction of the 2nd shell.

Said motor also includes the 1st seal member, in the ring-type circumferentially extended, is configured at busbar retainer Radial outer side in the axial other side part；And the 2nd seal member, in the ring-type circumferentially extended, configuration In the face of the axial side of the busbar retainer.

2nd shell includes the 2nd shell cover, covers the axial side of stator；And the 2nd shell canister portion, from the 2nd The other side extends in the axial direction in the radially outer edge portion of shell cover.

1st seal member will seal between the radially inner side face of the 1st shell and the radial outer side of busbar retainer.

2nd seal member is by the axial side in the face of the axial other side of the 2nd shell cover and the busbar retainer Face between seal.

The configuration of 1st ring spacer portion is in the position for leaning on radial outside than the 2nd seal member.

Along connector portion extend direction observation when, through hole medial surface and the connector portion lateral surface it Between configured with surround connector portion cricoid 2nd ring spacer portion.

The a part in the 2nd ring spacer portion is made of a part in the 1st ring spacer portion.

According to one method of the present invention, the manufacturing method and motor of motor are provided, the manufacturing method of the motor is coating The washer of liquid and form the manufacturing method of the motor of washer portion and can be improved the sealing between the 1st shell and the 2nd shell Property, the motor is with the leakproofness that can be improved by the washer portion of the washer of liquid between the 1st shell and the 2nd shell Construction.

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 perspective view for showing the motor of present embodiment.

Fig. 2 is the cross-sectional view for showing the motor of present embodiment, is the cross-sectional view of the II-II line in Fig. 1.

Fig. 3 is the figure of the motor of present embodiment from upside.

Fig. 4 is the cross-sectional view for showing a part of motor of present embodiment, is the cross-sectional view of the IV-IV line in Fig. 2.

Fig. 5 is the cross-sectional view for showing a part of motor of present embodiment, is the partial enlarged view of Fig. 2.

Fig. 6 is the cross-sectional view for showing a part of motor of present embodiment, is the partial enlarged view of Fig. 2.

Fig. 7 is the flow chart for showing the process of the manufacturing method of motor of present embodiment.

Fig. 8 is the figure for showing the 1st working procedure of coating of present embodiment.

Fig. 9 is the figure for showing the 2nd working procedure of coating of present embodiment.

Figure 10 is the figure for showing the 2nd working procedure of coating of present embodiment.

Figure 11 is the figure for being shown as another the 2nd working procedure of coating of present embodiment.

Figure 12 is the figure from upside as a part of another motor of present embodiment.

Label declaration

10: motor；20: shell；20a: through hole；21: the 1 shells；21a: the 1 opening portion；22: the 2 shells；22a: the 2 opening portions；22b: the 2 shell cover；22c: the 2 shell canister portion；30: rotor；31: axis；40: stator；50: washer portion；51, 151: the 1 ring spacer portions；51f: wide width part (the 1st interconnecting piece)；52: the 2 ring spacer portions；61: busbar retainer；62: Busbar keeps frame body；63: connector portion；71: the 1 seal members；72: the 2 seal members；81: busbar；93: the 1 pairs Set portion；94: the 2 opposed portion；151f: wide width part (the 2nd interconnecting piece)；193: the 3 opposed portion；194: the 4 opposed portion；G1, G2: empty Gap portion；J: central axis；S1: the 1 arrangement step；S2: the 1 working procedure of coating (working procedure of coating)；S3: the 2 arrangement step；S4: the 2 Working procedure of coating (liquid gasket portion formation process)；S5: installation procedure；Z: axial.

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.X-axis side It is direction perpendicular to one another to being the direction vertical with Z-direction with Y direction.The central axis J suitably shown in the various figures It is imaginary line that is parallel with Z-direction and vertically extending.In the following description, by the axial direction of central axis J, i.e. The direction parallel with up and down direction is referred to as " axial Z ", and the radial direction centered on central axis J is referred to as " radial direction ", will be with Circumferential direction centered on central axis J is referred to as " circumferential direction ".In the present embodiment, upside is equivalent to axial side, and downside is suitable In the axial other side.In addition, what up and down direction, the upper side and lower side were only for being illustrated the relative positional relationship of each section Title, actual configuration relation etc. are also possible to the configuration relation etc. other than configuration relation shown in these titles etc..

As shown in Figures 1 to 4, the motor 10 of present embodiment have shell 20, rotor 30, bearing 33,34, stator 40, Bus bar unit 60, the 1st seal member 71, the 2nd seal member 72 and oil sealing 73.As shown in Fig. 2, shell 20 is stored in inside There are rotor 30 and stator 40.Shell 20 has the 1st shell 21 and the 2nd shell 22.In addition, the 2nd shell 22 is omitted in Fig. 3 Diagram.

As shown in Fig. 2, the 1st shell 21 is in the tubular with the 1st opening portion 21a in upper side opening.1st shell 21 be in Multistage cylindrical shape centered on central axis J.1st shell 21 has the 1st shell canister portion 23 and the 1st flange part 24.1st shell Canister portion 23 has stator maintaining part 23a, busbar retainer maintaining part 23b, bearing cage 23c and oil sealing maintaining part 23d. The outer peripheral surface of the aftermentioned stator core 41 in stator 40 is fixed on the inner peripheral surface of stator maintaining part 23a.

Busbar retainer maintaining part 23b is connected with the end of the upside of stator maintaining part 23a.Busbar retainer is kept The internal diameter and outer diameter of portion 23b is greater than the internal diameter and outer diameter of stator maintaining part 23a.The upside of busbar retainer maintaining part 23b End is the end of the upside of the 1st shell canister portion 23, is the 1st opening portion 21a.After busbar retainer maintaining part 23b is maintained The part of the downside for the busbar retainer 61 stated.

Bearing cage 23c is connected with the end of the downside of stator maintaining part 23a.The internal diameter of bearing cage 23c and outer Diameter is less than the internal diameter and outer diameter of stator maintaining part 23a.Bearing 33 is maintained in the inside of bearing cage 23c.Oil sealing maintaining part 23d is connected with the end of the downside of bearing cage 23c.The internal diameter and outer diameter of oil sealing maintaining part 23d is less than bearing cage 23c Internal diameter and outer diameter.23d is in lower opening for oil sealing maintaining part.Oil sealing 73 is maintained in the inside of oil sealing maintaining part 23d.

1st flange part 24 is prominent from the end of the upside of the 1st shell canister portion 23 to radial outside.1st flange part 24 is in plate The plate for facing Z in the axial direction, in the annular shape centered on central axis J.As shown in figure 3, the 1st flange part 24 has to radial direction Outside the 1st mounting portion 24a outstanding.In the present embodiment, there are three the 1st mounting portion 24a is circumferentially arranged.

As shown in Fig. 2, the 2nd shell 22 is in the tubular with the 2nd opening portion 22a in lower opening.2nd shell 22 has 2nd housing body 25, protruding portion 26 and the 2nd flange part 27.2nd housing body 25 be in centered on central axis J and Upside has the substantially cylindric of cover.The cover of 2nd housing body 25 is in plate of the plate face towards axial direction Z.As shown in Figure 1, The cover of 2nd housing body 25 has annulus 25a and central portion 25b.Annulus 25a is in big centered on central axis J It causes circular.Central portion 25b is substantially disk-shaped in being connected with the radially inner edge portion of annulus 25a.Central portion 25b compares annulus 25a is upwardly projecting.The canister portion 25c of 2nd housing body 25 extends from the radially outer edge portion of annulus 25a to downside.

Protruding portion 26 is prominent to radial outside from the 2nd housing body 25.The direction outstanding of protruding portion 26 is flat with X-direction Capable direction.In the following description, the direction outstanding of protruding portion 26, direction i.e. parallel with X-direction are known as " protrusion side To X ".In addition, the direction vertical with axial Z and projected direction X, direction i.e. parallel with Y direction are known as " width direction Y".Protruding portion 26 is open in radial outside.Protruding portion 26 has upper wall portions 26a and a pair of sidewalls portion 26b.

Upper wall portions 26a extends from annulus 25a to radial outside.Upper wall portions 26a is in plate of the plate face towards axial direction Z.Edge Axial direction Z observation when, upper wall portions 26a be on width direction Y longer rectangular shape.A pair of sidewalls portion 26b from canister portion 25c to Radial outside extends.Plate a pair of sidewalls portion 26b vertical with the plate face of upper wall portions 26a in plate face.A pair of sidewalls portion 26b's is upper The end of side is connected with the end of the circumferential two sides of upper wall portions 26a respectively.

By the cover of the 2nd housing body 25, i.e. the upper wall portions 26a structure of annulus 25a, central portion 25b and protruding portion 26 At the 2nd shell cover 22b.That is, the 2nd shell 22 has the 2nd shell cover 22b.As shown in Fig. 2, the 2nd shell cover 22b covers The upside of lid stator 40 and the upside of rotor 30.

As shown in Figure 1, constituting the 2nd by the canister portion 25c of the 2nd housing body 25 and a pair of sidewalls portion 26b of protruding portion 26 Shell canister portion 22c.That is, the 2nd shell 22 has the 2nd shell canister portion 22c.2nd shell canister portion 22c is in from the 2nd shell cover 22b's The tubular that radially outer edge portion extends to downside.Since protruding portion 26 is open in radial outside, the week of the 2nd shell canister portion 22c To a part radial outside be open.

2nd flange part 27 is prominent from the end of the downside of the 2nd shell canister portion 22c to radial outside.2nd flange part 27 is in plate The plate of Z in the axial direction is faced, circumferentially.When axially Z is observed, the 2nd flange part 27 is in the protrusion in projected direction X The C word shape of the side opening outstanding of portion 26.The end of the circumferential two sides of 2nd flange part 27 respectively with a pair of sidewalls portion 26b phase Even.2nd flange part 27 has to radial outside the 2nd mounting portion 27a outstanding.In the present embodiment, the 2nd edge mounting portion 27a There are three circumferential settings.

As depicted in figs. 1 and 2, the 2nd shell 22 is opened with the edge of the 2nd opening portion 22a with the 1st in the upside of the 1st shell 21 The mode of the portion contacts of oral area 21a is fixed on the 1st shell 21.The edge of 1st opening portion 21a includes the upper of the 1st flange part 24 The face of side.The edge of 2nd opening portion 22a includes the face of the downside of the 2nd flange part 27.The face and the 2nd of the upside of 1st flange part 24 The face of the downside of flange part 27 is in contact with each other.The face of the downside in the face and each 2nd mounting portion 27a of the upside of each 1st mounting portion 24a It contacts respectively.1st mounting portion 24a and the 2nd mounting portion 27a along axial Z in the state of being overlapped by a part of calking in upside And it is fixed against.The 1st shell 21 and the 2nd shell 22 are fixed together as a result,.In addition, the installation of the 1st mounting portion 24a and the 2nd Portion 27a is not limited by calking and is fixed, and can also be fixed by other methods.

As shown in Figure 2 and Figure 4, shell 20 has the through hole 20a for the wall portion for radially penetrating through shell 20.Through hole 20a Medial surface be made of the face of the upside of the medial surface of protruding portion 26 and the 1st flange part 24.When being observed along projected direction X, pass through Through-hole 20a is in the longer rectangular shape on width direction Y.

As shown in Fig. 2, rotor 30 has axis 31 and rotor subject 32.Axis 31 is configured along central axis J.Axis 31 is in Along the cylindric of axial Z extension centered on mandrel line J.Axis 31 can be rotated by the bearing of bearing 33,34.Bearing 33,34 is for example It is ball bearing.Sensor-magnet 36 is installed by installing component 35 in the end of the upside of axis 31.Rotor subject 32 is fixed In the outer peripheral surface of axis 31.Although not shown, but rotor subject 32 include rotor core, be fixed on the outer peripheral surface of axis 31； And rotor magnet, it is fixed on rotor core.Rotor core can be directly fixed on axis 31, can also via component etc. and It connects and is fixed on axis 31.Rotor magnet can be single magnet, be also possible to multiple magnet.

Stator 40 is configured at the radial outside of rotor 30.Stator 40 has stator core 41, insulating part 44 and multiple lines Circle 45.Stator core 41 includes core-back 42, in the annular shape centered on central axis J；And multiple teeth 43, it From core-back 42 to radially inner side extend.The outer peripheral surface of core-back 42 is fixed on the inner peripheral surface of stator maintaining part 23a.Absolutely Edge part 44 is installed on tooth 43.Multiple coils 45 are installed on each tooth 43 across insulating part 44.

Bus bar unit 60 is configured at the upside of stator 40.Bus bar unit 60 has busbar retainer 61, busbar 81,82 and circuit board 80.That is, motor 10 has busbar retainer 61, circuit board 80 and busbar 81,82.Busbar Retainer 61 is the component kept to busbar 81,82.Busbar retainer 61 is configured at the upside of stator 40.Busbar Retainer 61 is, for example, resin.As shown in Figures 2 and 3, there is busbar retainer 61 busbar to keep frame body 62, connect Connect device portion 63, bearing cage 64, linking part 65 and supporting part 66.

Busbar keeps frame body 62 in substantially cylindric centered on central axis J.As shown in Fig. 2, busbar is protected Hold the inside that frame body 62 is configured at shell 20.Busbar keeps the part of the downside of frame body 62 to be accommodated in the 1st shell 21 It is internal.More specifically, busbar keeps the part of the downside of frame body 62 to be embedded in the interior of busbar retainer maintaining part 23b Portion and be kept.Busbar keeps frame body 62 by core-back 42 from lower side bearing.The outer of frame body 62 is kept in busbar The end of the downside of circumferential surface is provided with the stage portion 61b that outer diameter becomes smaller towards downside.

The part of the upside of busbar holding frame body 62 is accommodated in the inside of the 2nd shell 22.Busbar keeps frame body The face of 62 upside and the face of the downside of annulus 25a are arranged opposite on axial Z.Busbar keeps frame body 62 to have from remittance Flow the slot 61a towards downside recess that item keeps the upside of frame body 62.As shown in figure 3, slot 61a is in central axis J is The substantially annular shape of the heart.

Connector portion 63 keeps frame body 62 to extend to radial outside from busbar.More specifically, connector portion 63 from Busbar keeps frame body 62 to extend along projected direction X.As shown in Fig. 2, connector portion 63 is projected into shell via through hole 20a The outside of body 20.Connector portion 63 has the recess portion that the end from the radial outside of connector portion 63 is recessed to radially inner side.Even Device portion 63 is met to connect for external device (ED) (not shown).External device (ED) is, for example, to provide electric power to motor 10 and carry out to motor 10 The control device of control.In addition, simplification shows connector portion 63 in Fig. 4.

As shown in Fig. 2, bearing cage 64 is configured at the radially inner side that busbar keeps frame body 62.Bearing cage 64 In substantially cylindric centered on central axis J.Bearing cage 64 keeps bearing 34 in inside.As shown in figure 3, Bearing cage 64 keeps frame body 62 to be connected via linking part 65 with busbar.

Circuit board 80 is in plate of the plate face towards axial direction Z.Circuit board 80 is by the branch upwardly projecting from bearing cage 64 Bearing portion 66 is from lower side bearing.As shown in Fig. 2, circuit board 80 is accommodated in the inside of the 2nd shell 22.On the lower surface of circuit board 80 Rotation sensor (not shown) is installed.Rotation sensor is Magnetic Sensor.The upside of rotation sensor and sensor-magnet 36 It is arranged opposite across gap.The magnetic field of rotation sensor detection sensor magnet 36, to detect the rotation of rotor 30.

Busbar 81 is electrically connected with stator 40.One end of busbar 81 is connect with coil 45.The other end of busbar 81 from The bottom surface of the recess portion of connector portion 63 is prominent to radial outside.The other end of busbar 81 is exposed to the outside of motor 10.Confluence One end of item 82 is connect with the face of the upside of circuit board 80.The other end of busbar 82 from the bottom surface of the recess portion of connector portion 63 to Radial outside is prominent.The other end of busbar 82 is exposed to the outside of motor 10.

Busbar 81,82 is electrically connected with the control device for being connected to connector portion 63.It is mentioned from control device to busbar 81 For electric current.Coil 45 is supplied to via the electric current of busbar self-control device in 81 future as a result,.Busbar 82 will be installed on circuit The rotation sensor and control device of plate 80 are electrically connected.

In the present embodiment, the 1st seal member 71 and the 2nd seal member 72 be circumferentially extend it is cricoid O-shaped Ring.1st seal member 71 is configured at the part of the downside in the radial outer side of busbar retainer 61.More specifically, the 1st Seal member 71 from radial outside be embedded in busbar keep frame body 62 downside end and be kept.1st seal member 71 are configured at stage portion 61b.The step face contact towards downside of 1st seal member 71 and stage portion 61b.1st seal member 71 will seal between the radially inner side face of the 1st shell 21 and the radial outer side of busbar retainer 61.More specifically, the 1st The inner peripheral surface and busbar of seal member 71 and busbar retainer maintaining part 23b keep the periphery face contact of frame body 62 to The inner peripheral surface of busbar retainer maintaining part 23b and busbar are kept to seal between the outer peripheral surface of frame body 62.

1st seal member 71 is in the state for having carried out elastic compression deformation radially.1st 71 pairs of seal member confluence Retainer 61 applies radially inward elastic force.Thereby, it is possible to inhibit busbar retainer 61 to move radially, and can be Radially position precision configures busbar retainer 61 well.Thus, it is also possible to which position precision configures well radially The bearing 34 kept by busbar retainer 61, axis 31 is precisely configured so as to axis.

2nd seal member 72 is configured at the face of the upside of busbar retainer 61.2nd seal member 72 is embedded in slot 61a In and be kept.2nd seal member 72 is by the face in the face of the downside of the 2nd shell cover 22b and the upside of busbar retainer 61 Between seal.More specifically, the face of the downside of the 2nd seal member 72 and annulus 25a and busbar keep frame body 62 The face contact of upside seals between the face to which the face of the downside of annulus 25a and busbar to be kept to the upside of frame body 62. 2nd seal member 72 is in the state that elastic compression deformation has been carried out on axial Z.2nd seal member 72 keeps busbar Frame 61 applies downward elastic force.Thereby, it is possible to inhibit busbar retainer 61 to move in shell 20 along axial Z.

As shown in figure 3, in the present embodiment, motor 10 also has washer portion 50.Washer portion 50 is by the 1st shell 21 and It is sealed between 2 shells 22.Washer portion 50 has the 1st ring spacer portion 51 and the 2nd ring spacer portion 52.

1st ring spacer portion 51 is in ring-type circumferentially.1st ring spacer portion 51 is configured at than the 1st seal member 71 The position of radial outside is leaned on the 2nd seal member 72.1st ring spacer portion 51 have part 1 51a, part 2 51b and A pair of of third portion 51c.

As shown in figure 5, part 1 51a is arranged in the edge of the 1st opening portion 21a and the edge of the 2nd opening portion 22a Part between axial Z.The face contact of the downside in the face and the 2nd flange part 27 of the upside of part 1 51a and the 1st flange part 24 To be jammed on axial Z.The edge of the 1st opening portion 21a and the edge of the 2nd opening portion 22a are across the 1st loop pads as a result, Circle portion 51 and contact.Part 1 51a will be close between the face of the upside of the 1st flange part 24 and the face of the downside of the 2nd flange part 27 Envelope.As shown in figure 3, part 1 51a is opened in the side outstanding of protruding portion 26 in projected direction X when axially Z is observed The C word shape of mouth.

As shown in Figure 4 and Figure 6, part 2 51b is arranged in the face of the upside of connector portion 63 and the axis of the 2nd shell 22 To the part between Z.The face of the upside of part 2 51b and connector portion 63 and the upper wall portions 26a's in the 2nd shell cover 22b The face contact of downside on axial Z to be jammed.Part 2 51b is by the face of the upside of connector portion 63 with upper wall portions 26a's It is sealed between the face of downside.As shown in figure 3, part 2 51b circumferentially extends on the whole.Part 2 51b is configured to than rear The 4th part 52a stated is prominent to radial outside.

Part 2 51b has the 2nd straight line portion 51e and the 1st straight line portion 51d of a pair.The 1st straight line portion 51d of a pair is from connection The both ends of width direction Y in the face of the upside in device portion 63 are according to more towards another the 1st straight line portion on width direction Y The side 51d and more by the part that obliquely linearly extends of direction of radial outside.2nd straight line portion 51e is that Y is in the width direction The part linearly extended.The both ends of the width direction Y of the 2nd straight line portion 51e radial outside with the 1st straight line portion 51d respectively End be connected.As long as not necessarily must in addition, the 1st straight line portion 51d and the 2nd straight line portion 51e extend along above-mentioned direction respectively Be it is linear, can also be bent or buckling etc..

2nd straight line portion 51e has wide width part 51f.Wide width part 51f is the part that the width in the 1st ring spacer portion 51 becomes larger. That is, the 1st ring spacer portion 51 has the radial part become large-sized in circumferential a part.Wide width part 51f is than the 1st loop pads The part of the two sides of wide width part 51f in circle portion 51 is prominent to radially inner side and radial outside.The radial size of wide width part 51f Greater than the radial size of the part other than the wide width part 51f in the 1st ring spacer portion 51.Wide width part 51f configuration is than connection The position that the center of the width direction Y in device portion 63 is amesiality.When axially Z is observed, wide width part 51f is in substantially circular.

As shown in figure 4, a pair of third portion 51c be the width direction Y being respectively arranged in connector portion 63 two sides with Part between the medial surface of sidewall portion 26b.Third portion 51c extends along axial Z.Distinguish the end of the upside of third portion 51c It is connected with the end of the circumferential two sides of part 2 51b.The end of the downside of the third portion 51c circumferential direction with part 1 51a respectively The end of two sides is connected.Third portion 51c connects part 1 51a and part 2 51b.

When observing along the projected direction X that connector portion 63 extends, the 2nd ring spacer portion 52 is in encirclement connector portion 63 It is cyclic annular.When observing along projected direction X, the 2nd ring spacer portion 52 is configured at the medial surface and connector portion 63 of through hole 20a Between lateral surface.The two sides of 2nd ring spacer portion 52 and the medial surface of through hole 20a and the axial Z of connector portion 63 and The two sides face contact of the width direction Y of connector portion 63 is to be jammed.Thereby, it is possible to will be passed through using the 2nd ring spacer portion 52 It is sealed between the medial surface of through-hole 20a and the lateral surface of connector portion 63.

2nd ring spacer portion 52 has part 2 51b, third portion 51c and the 4th part in the 1st ring spacer portion 51 52a.That is, a part in the 2nd ring spacer portion 52 is made of a part in the 1st ring spacer portion 51.Therefore, configuration can be reduced The gross area of washer portion 50 can easily make washer portion 50.

4th part 52a be configured at the face of the face of the upside of the 1st flange part 24 and the downside of connector portion 63 axial Z it Between.4th part 52a is jammed with the face contact of the face of the upside of the 1st flange part 24 and the downside of connector portion 63.4th Part 52a will be sealed between the face of the upside of the 1st flange part 24 and the face of the downside of connector portion 63.As shown in figure 3, the 4th 52a is divided circumferentially to extend in circular arc.The circumferential two sides of the end and part 1 51a of the circumferential two sides of 4th part 52a End is connected.

Washer portion 50 is the washer of liquid.That is, the 1st ring spacer portion 51 and the 2nd ring spacer portion 52 are liquids Washer.In the present specification, about " washer that some object is liquid ", as long as some object is to pass through coating liquid The washer of shape and make, some object can be hardened integrally, a part or whole can also keep unhardened state. Washer portion 50, i.e. the 1st ring spacer portion 51 and the 2nd ring spacer portion 52 are the portions produced and hardening the washer of liquid Point.The type of the washer of liquid is not particularly limited.It is hard that the washer of liquid for example can be anaerobic type, wet constrictive type, ultraviolet light Change type, the two liquid mixed types for mixing two kinds of liquors etc..

As shown in fig. 7, the manufacturing method of the motor 10 of present embodiment includes the 1st arrangement step S1, the 1st working procedure of coating S2, the 2nd arrangement step S3, the 2nd working procedure of coating S4 and installation procedure S5.1st arrangement step S1 is by rotor 30 and stator 40 The process for being configured at the inside of the 1st shell 21.Operating personnel or assembling device etc. (hereinafter referred to as operating personnel etc.) are from the 1st shell Rotor 30 and stator 40 are inserted in the inside of the 1st shell 21 via the 1st opening portion 21a by 21 upside.At this point, operating personnel Deng the inside that stator 40 is for example fixed on to and stator core 41 is pressed into stator maintaining part 23a the 1st shell 21.

1st working procedure of coating S2 be before the 2nd arrangement step S3 circumferentially matching into the edge of the 1st opening portion 21a It is placed in the working procedure of coating of the washer of the part coating liquid of the downside of connector portion 63.As shown in figure 8, in the 1st working procedure of coating S2 In, the radially inner edge portion coating liquid of the part of the downside for being configured at connector portion 63 into the 1st flange part 24 such as operating personnel The washer of shape is to form the 1st liquid gasket portion 91.When from axial Z, the 1st liquid gasket portion 91 is big in circumferentially extending Cause arc-shaped.1st liquid gasket portion 91 is the part for hardening and being formed the liquid of the 4th part 52a.1st liquid gasket portion Radial size of the 91 radial size less than the 4th part 52a.The end of the circumferential two sides in the 1st liquid gasket portion 91 is than the 1st The part of the downside for being configured at connector portion 63 in flange part 24 is prominent to circumferential two sides.In addition, the 1st liquid gasket portion 91 is simultaneously It is necessarily arc-shaped, as long as shape circumferentially.

2nd arrangement step S3 is the process that busbar retainer 61 is configured to the upside of stator 40.Operating personnel etc. will The lower portion of bus bar unit 60 is embedded in the inside of the 1st shell 21 from the 1st opening portion 21a and makes busbar retainer master The face contact of the upside of body 62 and core-back 42.At this point, keeping being equipped with the 1st sealing in advance on frame body 62 in busbar Part 71.It as a result, can be by the 1st seal member 71 and busbar holding frame body 62 is embedded in the inside of the 1st shell 21 Busbar is configured to keep between the radial outer side of frame body 62 and the medial surface of the 1st shell 21.In this way, configuring work the 2nd In sequence S3, the part of the downside of busbar retainer 61 is embedded in the inside of the 1st shell 21 by operating personnel etc., to pass through the 1 seal member 71 will seal between the radially inner side face of the 1st shell 21 and the radial outer side of busbar retainer 61.

As shown in figure 9, the 2nd working procedure of coating S4 is process of the washer of coating liquid to form the 2nd liquid gasket portion 92, it should At least part in the 2nd liquid gasket portion 92 is configured at the part including the edge comprising the 1st opening portion 21a.In this embodiment party In formula, the 2nd working procedure of coating S4 is equivalent to liquid gasket portion formation process, and the 2nd liquid gasket portion 92 is equivalent in liquid gasket portion The liquid gasket portion formed in formation process.

2nd liquid gasket portion 92 has part 1 92a, part 2 92b and third portion 92c.Part 1 92a is hair Stiffization and the part for forming the liquid of part 1 51a.Part 2 92b is the liquid for hardening and being formed part 2 51b Part.Third portion 92c is the part for hardening and being formed the liquid of third portion 51c.

The shape of part 1 92a is roughly the same with part 1 51a other than this different point of radial size.1st Divide the radial size of 92a less than the radial size of part 1 51a.As shown in Figure 10, third portion 92c is in connector portion 63 Width direction Y side on along axial Z extend.The shape of third portion 92c in addition to this different point of the size of projected direction X with It is roughly the same with third portion 51c outside.Projected direction X of the size of the projected direction X of third portion 92c less than third portion 51c Size.

As shown in Figure 9 and Figure 10, part 2 92b has the 1st opposed portion 93 and the 2nd opposed portion 94.That is, the 2nd liquid gasket Portion 92 has the 1st opposed portion 93 and the 2nd opposed portion 94.1st opposed portion 93 and the 2nd opposed portion 94 are across space part G1 and in circumferential direction It is upper opposed.Therefore, the shape that the 2nd liquid gasket portion 92 is disconnected in cricoid a part circumferentially across space part G1.? In present embodiment, the 1st opposed portion 93 and the 2nd opposed portion 94 are opposed on width direction Y across space part G1.Space part G1 It is configured at the face of the upside of connector portion 63.Space part G1 be configured in the face of the upside of connector portion 63 than width direction Y The amesiality position in center.

1st opposed portion 93 has the 1st straight line portion 93a and the 2nd straight line portion 93b.1st straight line portion 93a is from circumferential side The end of the upside of third portion 92c according to more towards the circumferential other side and more by the direction of radial outside it is obliquely linearly The part of extension.2nd straight line portion 93b is from the front end part that Y linearly extends in the width direction of the 1st straight line portion 93a. In addition, the 1st straight line portion 93a and the 2nd straight line portion 93b are not necessarily linearly, can also be bent or buckling etc..

2nd opposed portion 94 has the 1st straight line portion 94a and the 2nd straight line portion 94b.1st straight line portion 94a is from the circumferential other side Third portion 92c upside end according to more towards circumferential side and more by the direction of radial outside it is obliquely linearly The part of extension.2nd straight line portion 94b is from the front end part that Y linearly extends in the width direction of the 1st straight line portion 94a. 2nd straight line portion 93b and the 2nd straight line portion 94b are configured at identical position in projected direction X-direction.Space part G1 is configured at the 2nd Between the front end of straight line portion 93b and the front end of the 2nd straight line portion 94b.In addition, the 1st straight line portion 94a and the 2nd straight line portion 94b is only To extend along above-mentioned direction, then be not necessarily linear, can also be bent or buckling etc..

1st straight line portion 93a, 94a is the part for hardening and being formed the 1st straight line portion 51d of a pair.1st straight line portion 93a, The shape of 94a is roughly the same with a pair of shape of 1st straight line portion 51d other than this different point of radial size.1st straight line portion Radial size of the radial size of 93a, 94a less than the 1st straight line portion 51d.2nd straight line portion 93b, 94b be harden and Form the part of the 2nd straight line portion 51e.Radial ruler of the radial size of 2nd straight line portion 93b, 94b less than the 2nd straight line portion 51e It is very little.

In the 2nd working procedure of coating S4, operating personnel it is equal at least along circumferential direction to the face coating liquid of the upside of connector portion 63 The washer of shape is to form the 2nd liquid gasket portion 92.In the present embodiment, in the 2nd working procedure of coating S4, operating personnel is equal from even The face of the upside in device portion 63 is connect successively via the side of the width direction side of connector portion 63, the upside of the 1st flange part 24 Face, connector portion 63 the width direction other side side until again return to connector portion 63 upside face and continuously Apply the washer of liquid.

When applying the washer of liquid to the face of the upside of connector portion 63 again, operating personnel is equal initially coated in company The nearby place for connecing the washer on the face of the upside in device portion 63 terminates the washer of coating liquid.It is formd as a result, in across space part 2nd liquid gasket portion 92 of the shape that G1 is disconnected.That is, in the 2nd working procedure of coating S4 of present embodiment, the coating such as operating personnel The washer of liquid and form part 1 92a, part 2 92b and third portion 92c, thus formed the 2nd liquid gasket portion 92.

In the present embodiment, since the 1st opposed portion 93 and the 2nd opposed portion 94 are right in the circumferential across space part G1 Set, as long as therefore as described above circumferentially apply liquid washer and at the nearby place being connected with the washer initially applied Terminate coating, it will be able to be readily formed the 2nd liquid gasket portion 92.Therefore, work needed for can reduce the 2nd working procedure of coating S4 Husband.

As shown in figure 9, the 2nd liquid gasket portion 92 is configured at the position for leaning on radial outside than the 2nd seal member 72.That is, In 2nd working procedure of coating S4, the 2nd liquid gasket portion 92 is formed in than the 2nd seal member 72 by radial outside by operating personnel etc. Position.As shown in Figure 10, under the circumferential both ends and third portion 92c of the part 1 92a formed in the 2nd working procedure of coating S4 The end of side is connected with the circumferential both ends in the 1st liquid gasket portion 91.That is, operating personnel etc. will apply in the 2nd working procedure of coating S4 The circumferential both ends for applying the washer of the liquid on the face of the upside in connector portion 63 are applied with the 1st respectively via third portion 92c The circumferential both ends for applying the washer of the liquid applied in process S2 connect.

Installation procedure S5 is the edge for edge and the 2nd opening portion 22a for making the 1st opening portion 21a across the 2nd liquid gasket portion 92 and contact, to process that the 2nd shell 22 is installed on the 1st shell 21.Operating personnel etc. keeps the 2nd shell 22 close from upside 1st shell 21, by the partial insertion of the upside of bus bar unit 60 in the inside of the 2nd shell 22.In this way, operating personnel etc. makes The face of the downside of 2 flange parts 27 across the 2nd liquid gasket portion 92 and with the face contact of the upside of the 1st flange part 24 and make upper wall The face of the downside of portion 26a across the 2nd liquid gasket portion 92 and the face contact with the upside of connector portion 63.

At this point, when making the 2nd shell 22 close to 1 shell 21, coated on the 1st flange part 24 and connector portion 63 It is flattened and extended by the 2nd shell 22 in 2 liquid gasket portions 92.The 1st opposed portion 93 and the 2nd opposed portion 94 extend toward each other as a result, And it connects.In this state, the 1st ring spacer portion 51 is produced and hardening coated washer.Therefore, pacifying Fill in process S5, operating personnel it is equal and extending the 2nd liquid gasket portion 92 by the 2nd liquid gasket portion 92 across gap Each other, i.e. the 1st opposed portion 93 and the 2nd opposed portion 94 are joined to one another for the part that portion G1 is disconnected, to be formed circumferentially Cricoid 1st ring spacer portion 51.The hardening of the washer of liquid after the washer for being coated with liquid for example by passing through regulation Time and occur.

Here, when making the 1st shell 21 and the 2nd shell 22 across the washer contacts of coated liquid, the 1st shell sometimes The air of the inside of the air of 21 inside and the 2nd shell 22 is discharged to the outside of shell 20.At this point, when air passes through liquid Washer when, sometimes due to air and cause the washer of liquid to extend excessively thin.In this case, the thickness of washer becomes sometimes Deficiency, to will suitably can not be sealed between the 1st shell 21 and the 2nd shell 22.

In contrast, according to the present embodiment, since the 2nd liquid gasket portion 92 is in the shape disconnected across space part G1, Therefore want the outside that can be discharged to shell 20 by space part G1 by the air in the 2nd liquid gasket portion 92.Therefore, can The washer for leading to the liquid for constituting the 2nd liquid gasket portion 92 due to air is inhibited to extend excessively thin.In addition, by by the 2nd shell Body 22 is installed on the 1st shell 21 and extends the washer of liquid, so as to make space part G1 disappear.Thereby, it is possible to be formed in The cricoid 1st ring spacer portion of required thickness will be sealed by having in entire scope between the 1st shell 21 and the 2nd shell 22 51。

In conclusion according to the present embodiment, the washer of coating liquid is obtained and has formed the motor 10 of washer portion 50 Manufacturing method, the manufacturing method of the motor 10 can be improved the leakproofness between the 1st shell 21 and the 2nd shell 22.In addition, obtaining Motor 10 with following construction: the 1st shell 21 and the 2nd shell can be improved by the washer portion 50 of the washer of liquid Leakproofness between 22.

According to the present embodiment, busbar retainer 61 has the outside that shell 20 is projected into via through hole 20a Connector portion 63.Also, in installation procedure S5, operating personnel etc. make the 2nd shell 22 across the 2nd liquid gasket portion 92 and with even Connect the face contact of the upside in device portion 63.Thereby, it is possible to pass through the 2nd liquid gasket portion 92 for connector portion 63 and through hole 20a's A part sealing between medial surface.Therefore, even if in the case where being provided with connector portion 63, it also can be improved the 1st shell Leakproofness between 21 and the 2nd shell 22.

According to the present embodiment, make the liquid applied on the face of the upside of connector portion 63 in the 2nd working procedure of coating S4 The circumferential both ends of washer be connected with the circumferential both ends in the 1st liquid gasket portion 91 coated in the 1st working procedure of coating S2. Thereby, it is possible to be surrounded using the washer of liquid around connector portion 63, so as to obtain that there is the 2nd ring spacer portion 52 Motor 10.Therefore, it can will sealed between connector portion 63 and the medial surface of through hole 20a within the scope of complete cycle.Therefore, energy Enough further increase the leakproofness between the 1st shell 21 and the 2nd shell 22.

For example, it is contemplated that following situations: when space part G1 is configured at the face of the upside of the 1st flange part 24, in installation procedure The washer of liquid after extending in S5 can be flowed into the inside of the 1st shell 21.In this case, the part disconnected by space part G1 Washer amount reduce, it is possible to the part disconnected by space part G1 is not connected suitably each other.

In contrast, according to the present embodiment, space part G1 is configured at the face of the upside of connector portion 63.Therefore, can The washer of liquid after inhibiting extension is flowed into the inside of the 1st shell 21.Thereby, it is possible to inhibit the washer of the 1st opposed portion 93 The amount of the washer of amount and the 2nd opposed portion 94 is reduced, and can suitably be connected the 1st opposed portion 93 and the 2nd opposed portion 94 in extension It picks up and.

It is connected by the 1st opposed portion 93 with the 2nd opposed portion 94 and constitutes wide width part 51f.That is, the 1st ring spacer portion 51 The wide width part 51f as the 1st interconnecting piece for being connected with the 1st opposed portion 93 with the 2nd opposed portion 94 and constituting.In the 1st opposed portion 93 and the 2nd opposed portion 94 extend and after contacting with each other, if the 1st opposed portion 93 and the 2nd opposed portion 94 further expand, liquid The washer of shape is radially extruded.As a result, in the wide width part 51f as the 1st interconnecting piece, radial size is greater than other portions Point.In this way, having produced by using the manufacturing method for the present embodiment for being provided with space part G1 with wide width part 51f's 1st ring spacer portion 51.

In addition, the face of the downside of connector portion 63 is pressed on the 1st flange part 24, to also make in installation procedure S5 The extension of 1st liquid gasket portion 91.In addition, the 1st liquid gasket portion 91 can extend in the 2nd arrangement step S3, it can also be the 2nd It is extended in arrangement step S3 and installation procedure S5 the two processes.The 1st ring spacer portion 51 has been produced as described above, and The 4th part 52a is produced and hardening the 1st liquid gasket portion 91 after extension, to produce the 2nd ring spacer Portion 52.Washer portion 50 has been produced as a result,.

In installation procedure S5, when the 2nd shell 22 is installed on 1 shell 21, the face of the downside of annulus 25a via It is installed on the 2nd seal member 72 of busbar retainer 61 and the face contact with the upside of busbar retainer 61.Pass through as a result, 2nd seal member 72 will seal between the 2nd shell cover 22b and busbar retainer 61.That is, in installation procedure S5, operation Personnel etc. make the 2nd shell cover 22b via the 2nd seal member 72 face contact with the upside of busbar retainer 61, thus It will be sealed between the face of the downside of 2nd shell cover 22b and the face of the upside of busbar retainer 61.

Here, to than the 2nd seal member 72 by the washer of the position of radial outside coating liquid, when by the When 2 shells 22 are installed on 1 shell 21, confined space is formed between the 2nd seal member 72 and the washer of liquid.Therefore, the 2nd is close The air sealed between component 72 and the washer of liquid is mobile to radial outside via the washer of liquid, is easy to make the washer of liquid A part extends excessively thin.It is sometimes prone to further decrease the leakproofness between the 1st shell 21 and the 2nd shell 22 as a result,.

It in contrast, according to the present embodiment, as described above, can be by the 2nd seal member 72 and the 2nd ring spacer Air between portion 52 is discharged via space part G1.Therefore, even if in the case where being provided with the 2nd seal member 72, also can The a part in the 2nd ring spacer portion 52 is inhibited to extend excessively thin, so as to improve between the 1st shell 21 and the 2nd shell 22 Leakproofness.In addition, the 1st shell 21 and the 2nd can be further increased by the 1st seal member 71 of setting and the 2nd seal member 72 Leakproofness between shell 22.

Here, if being provided with the 1st seal member 71 and the 2nd seal member 72, though moisture from the 1st flange part 24 with Gap between 2nd flange part 27 enters, and is also able to suppress moisture and enters rotor 30 and stator 40.But sometimes from the 1st flange The moisture that gap between portion 24 and the 2nd flange part 27 enters can accumulate between busbar retainer 61 and shell 20.At this In the case of, sometimes due to moisture and cause shell 20 to be easy to happen corrosion.

In contrast, according to the present embodiment, it other than the 1st seal member 71 and the 2nd seal member 72, is additionally provided with 1st ring spacer portion 51, therefore be able to suppress moisture and enter between busbar retainer 61 and shell 20.Thereby, it is possible to inhibit Shell 20 corrodes.

As long as the 2nd seal member 72 can be installed on busbar before installation procedure S5 at any time and kept Frame 61.2nd seal member 72 is for example embedded in slot 61a before the 2nd arrangement step S3 and is installed on busbar retainer 61.In the state of being embedded in slot 61a, the upper end of the 2nd seal member 72 is located at the upper end of the washer than coated liquid Position on the lower.Therefore, in installation procedure S5, washer of the 2nd shell 22 before the 2nd seal member 72 first with liquid is The contact of 2nd liquid gasket portion 92.

Operating personnels etc. are after being installed on the 1st shell 21 for the 2nd shell 22, from the downside of the 1st mounting portion 24a by the 1st A part of mounting portion 24a and a part of the 2nd mounting portion 27a are together to upside calking, thus by the 1st shell 21 and the 2nd shell Body 22 is fixed up.In addition, in Fig. 8 into Figure 10, the part of the calking in the 1st mounting portion 24a is shown with double dot dash line.

The present invention is not limited to above-mentioned embodiments, can also use other structures.As long as washer portion has the 1st loop pads Circle portion, is not particularly limited.It is narrow that 1st ring spacer portion can also have radial size to become smaller in circumferential a part Portion replaces wide width part.In this case, the 1st interconnecting piece that the 1st opposed portion is connected and constitutes with the 2nd opposed portion is narrow width part. Narrow width part is smaller than the radial size of the part other than the narrow width part in the 1st ring spacer portion.Such as in the 1st opposed portion and the 2nd Opposed portion extension and contact in the case where, if width of the amount of the washer of the 1st opposed portion and the 2nd opposed portion relative to space part Less, then the radial size of the 1st interconnecting piece is less than other parts sometimes, to produce narrow width part.In this way, using In the case where the method for forming the liquid gasket portion disconnected by space part, according to the washer of the width of space part and liquid gasket portion Amount between relationship, produce wide width part sometimes, produce narrow width part sometimes.

2nd ring spacer portion can also be arranged independently of the 1st ring spacer portion.That is, a part in the 2nd ring spacer portion It can not also be made of a part in the 1st ring spacer portion.It can also be not provided with the 2nd ring spacer portion.

1st seal member and the 2nd seal member are also possible to the seal member other than o-ring.It is close can also to be not provided with the 1st Seal the either or both in component and the 2nd seal member.It can also be not provided with bus bar unit.

In liquid gasket portion formation process, exist as long as forming at least part and being configured at the edge comprising the 1st opening portion Interior part and the liquid gasket portion of the shape disconnected in cricoid a part circumferentially across space part, then coating liquid The range etc. of the washer of shape is not particularly limited.For example, in the above-described embodiment, as liquid gasket portion formation process The 2nd working procedure of coating S4 in, be coated with the washer for constituting entire 2nd liquid gasket portion 92, but not limited to this.For example, it is also possible to It is the washer of liquid to be applied within the scope of the complete cycle in the radially inner edge portion of the 1st flange part 24 in the 1st working procedure of coating S2, the 2nd The washer of liquid is only applied in working procedure of coating S4 to connector portion 63, to form the 2nd liquid gasket portion 92.In this case, Part 1 92a in 2nd liquid gasket portion 92 is formed in the 1st working procedure of coating S2, the 2nd in the 2nd liquid gasket portion 92 Part 92b and third portion 92c is formed in the 2nd working procedure of coating S4.

As long as the 1st working procedure of coating can be carried out at any time before the 2nd arrangement step.Such as it can match the 1st The 1st working procedure of coating is carried out before setting process.It can also be without the 1st working procedure of coating.

As long as the liquid gasket portion formed in liquid gasket portion formation process circumferentially it is cricoid a part every Space part disconnect shape, then can be any shape.The liquid gasket portion example formed in liquid gasket portion formation process The shape as being also possible to the 2nd liquid gasket portion 192 shown in Figure 11.As shown in figure 11, in the 2nd liquid gasket portion 192 In, part 2 192b has the 3rd opposed portion 193 and the 4th opposed portion 194.That is, the 2nd liquid gasket portion 192 has the 3rd opposed portion 193 and the 4th opposed portion 194.3rd opposed portion 193 and the 4th opposed portion 194 are on the whole circumferentially.

3rd opposed portion 193 has the 1st straight line portion 193a and the 2nd straight line portion 193b.1st straight line portion 193a is from circumferential one The end of the upside of the third portion 92c of side according to more towards the circumferential other side and more by radial outside direction obliquely in straight The part that threadiness extends.2nd straight line portion 193b is that Y linearly extends in the width direction from the front end of the 1st straight line portion 193a Part.As long as being not necessarily straight line in addition, the 1st straight line portion 193a and the 2nd straight line portion 193b extend along above-mentioned direction Shape, can also be bent or buckling etc..

4th opposed portion 194 has the 1st straight line portion 194a and the 2nd straight line portion 194b.1st straight line portion 194a is from circumferential another The end of the upside of the third portion 92c of side according to more towards circumferential side and more by radial outside direction obliquely in straight The part that threadiness extends.2nd straight line portion 194b is that Y linearly extends in the width direction from the front end of the 1st straight line portion 194a Part.The radial outside of from 2nd straight line portion 194b to the 2nd straight line portion 193b are separate and configure.2nd straight line portion 193b and the 2nd is straight Line portion 194b is opposed radially across space part G2.That is, the 3rd opposed portion 193 and the 4th opposed portion 194 are across space part G2 And it is opposed radially.As long as not necessarily must in addition, the 1st straight line portion 194a and the 2nd straight line portion 194b extend along above-mentioned direction Be it is linear, can also be bent or buckling etc..

According to this structure, it can easily make space part G2 longer on width direction Y, make the 3rd opposed portion 193 and the 4th The part opposite each other of opposed portion 194 is larger on width direction Y.Therefore, though one of the width direction Y in space part G2 In the case that part is not landfilled, also easily it is landfilled by other a part of space part G2 by 193 He of the 3rd opposed portion 4th opposed portion 194 connects.Therefore, it has been readily formed the 1st ring spacer portion 151 shown in Figure 12.

Washer as applying liquid as shown in Figure 11 is formd as shown in Figure 12 by carrying out installation procedure S5 1st ring spacer portion 151.In addition, the diagram of the 2nd shell 22 is omitted in Figure 12.As shown in figure 12, the 1st ring spacer portion 151 part 2 151b has wide width part 151f.Wide width part 151f is that the 3rd opposed portion 193 is connected and structure with the 4th opposed portion 194 At the 2nd interconnecting piece.That is, the 1st ring spacer portion 151 has the wide width part 151f as the 2nd interconnecting piece.

The radial size of wide width part 151f is greater than the part other than the wide width part 151f in the 1st ring spacer portion 151 Radial size.3rd opposed portion 193 is opposed radially across space part G2 with the 4th opposed portion 194, therefore by by the 3rd Opposed portion 193 and the 4th opposed portion 194 connect and are provided with the radial part become large-sized.Wide width part 151f is the 2nd Divide the circumferential center portion of 151b.

Stage portion 151g, 151h is respectively arranged at the circumferential both ends of wide width part 151f.Stage portion 151g is set to width The end of the circumferential side of width portion 151f, constitutes following step: from the circumferential direction positioned at wide width part 151f in part 2 151b The part of side with towards wide width part 151f and it is prominent to radial outside.Stage portion 151g is by the 2nd in the 4th opposed portion 194 The front end of straight line portion 194b is constituted.

Stage portion 151h is set to the end of the circumferential other side of wide width part 151f, constitutes following step: from part 2 The part of the circumferential other side positioned at wide width part 151f in 151b with towards wide width part 151f and it is prominent to radially inner side.Platform Rank portion 151h is made of the front end of the 2nd straight line portion 193b in the 3rd opposed portion 193.

In the 2nd liquid gasket portion 192 shown in Fig. 9 and the 2nd liquid gasket portion 92 shown in Fig. 10 and Figure 11, gap The position in portion is not particularly limited.Space part also can be set in the face of the upside of the 1st flange part.Also multiple gaps can be set Portion.

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

Claims (13)

1. a kind of manufacturing method of motor, the motor include

Rotor has the axis configured along central axis；

Stator is configured at the radial outside of the rotor；And

Shell stores the rotor and the stator in inside,

The shell includes

1st shell of tubular has in the 1st opening portion of an axial side opening；And

2nd shell of tubular has in the 2nd opening portion of axial another side opening, and the 2nd shell is in the 1st shell Axial side described in the edge of the 2nd opening portion and the mode of portion contacts of the 1st opening portion be fixed on the 1st shell Body,

The manufacturing method of the motor be characterized in that, comprising the following steps:

Liquid gasket portion formation process, applies the washer of liquid and forms liquid gasket portion, and at least one of the liquid gasket portion Distribution is placed in the part including the edge comprising the 1st opening portion；And

Installation procedure connects the edge of the 1st opening portion and the edge of the 2nd opening portion across the liquid gasket portion Touching, so that the 2nd shell is installed on the 1st shell,

The shape that the liquid gasket portion is disconnected in cricoid a part circumferentially across space part,

In the installation procedure, make the liquid gasket portion extend and by the liquid gasket portion across the space part The part of disconnection is joined to one another, to form cricoid 1st ring spacer portion circumferentially.

2. the manufacturing method of motor according to claim 1, which is characterized in that

The motor includes

Busbar is electrically connected with the stator；And

Busbar retainer is configured at the axial side of the stator, keeps to the busbar,

The shell has the through hole for the wall portion for radially penetrating through the shell,

The busbar retainer includes

Busbar keeps frame body, is configured at the inside of the shell；And

Connector portion keeps frame body to extend to radial outside, is projected into institute via the through hole from the busbar The outside of shell is stated,

The manufacturing method of the motor also includes the following process:

1st arrangement step, by the rotor and the stator arrangement in the inside of the 1st shell；And

The busbar retainer is configured at the axial side of the stator by the 2nd arrangement step,

In liquid gasket portion formation process, institute at least circumferentially is applied to the face of the axial side of the connector portion It states the washer of liquid and forms the liquid gasket portion,

In the installation procedure, make the 2nd shell across the liquid gasket portion and with the connector portion axial one The face contact of side.

3. the manufacturing method of motor according to claim 2, which is characterized in that

The motor also includes

1st seal member is configured in the radial outer side of the busbar retainer in the ring-type circumferentially extended The part of the axial other side；And

2nd seal member is configured at the face of the axial side of the busbar retainer in the ring-type circumferentially extended,

2nd shell includes

2nd shell cover covers the axial side of the stator；And

2nd shell canister portion, from the radially outer edge portion of the 2nd shell cover, the other side extends in the axial direction,

In the 2nd arrangement step, the part of the axial other side of the busbar retainer is embedded in the 1st shell Inside, by the 1st seal member by the radial direction in the radially inner side face of the 1st shell and the busbar retainer It is sealed between lateral surface,

In liquid gasket portion formation process, it is formed in the liquid gasket portion than the 2nd seal member by radial The position in outside,

In the installation procedure, make the 2nd shell cover across the 2nd seal member and with the busbar retainer Axial side face contact, thus by the face of the axial other side of the 2nd shell cover and the busbar retainer It is sealed between the face of axial side.

4. the manufacturing method of motor according to claim 2 or 3, which is characterized in that

It include also working procedure of coating before the 2nd arrangement step, in the working procedure of coating, circumferentially to the 1st opening The part of the axial other side for being configured at the connector portion in the edge in portion applies the washer of the liquid,

In liquid gasket portion formation process, make the liquid on the face of the axial side coated in the connector portion The circumferential both ends of washer connect respectively with the circumferential both ends of the washer of the liquid applied in the working procedure of coating.

5. the manufacturing method of motor according to claim 2 or 3, which is characterized in that

The space part is configured at the face of the axial side of the connector portion.

6. the manufacturing method of motor according to claim 1 or 2, which is characterized in that

The liquid gasket portion has across the space part and in the circumferential opposed the 1st opposed portion and the 2nd opposed portion.

7. the manufacturing method of motor according to claim 6, which is characterized in that

The 1st ring spacer portion has the 1st connection for being connected by the 1st opposed portion with the 2nd opposed portion and constituting Portion,

The radial size of 1st interconnecting piece is more than or less than other than the 1st interconnecting piece in the 1st ring spacer portion Part radial size.

8. the manufacturing method of motor according to claim 1 or 2, which is characterized in that

The liquid gasket portion has the 3rd opposed portion and the 4th opposed portion circumferentially,

3rd opposed portion and the 4th opposed portion are opposed radially across the space part.

9. the manufacturing method of motor according to claim 8, which is characterized in that

The 1st ring spacer portion has the 2nd connection for being connected by the 3rd opposed portion with the 4th opposed portion and constituting Portion,

The radial size of 2nd interconnecting piece is greater than the part other than the 2nd interconnecting piece in the 1st ring spacer portion Radial size.

10. a kind of motor, includes

Rotor has the axis configured along central axis；

Stator is configured at the radial outside of the rotor；And

Shell stores the rotor and the stator in inside,

The shell includes

1st shell of tubular has in the 1st opening portion of an axial side opening；And

2nd shell of tubular has in the 2nd opening portion of axial another side opening, and the 2nd shell is in the 1st shell Axial side described in the edge of the 2nd opening portion and the mode of portion contacts of the 1st opening portion be fixed on the 1st shell Body,

The motor is characterized in that,

The edge of 1st opening portion and the edge of the 2nd opening portion are across cricoid 1st ring spacer portion circumferentially And contact,

The 1st ring spacer portion is the washer of liquid, and has radial become large-sized in circumferential a part Partially or in the part that there is circumferential a part radial size to become smaller.

11. motor according to claim 10, which is characterized in that

The motor also includes

Busbar is electrically connected with the stator；And

Busbar retainer is configured at the axial side of the stator, keeps to the busbar,

The shell has the through hole for the wall portion for radially penetrating through the shell,

The busbar retainer includes

Busbar keeps frame body, is configured at the inside of the shell；And

Connector portion keeps frame body to extend to radial outside, is projected into institute via the through hole from the busbar The outside of shell is stated,

The 1st ring spacer portion includes

It is configured at the part between the edge of the 1st opening portion and the axial direction of the edge of the 2nd opening portion；And

It is configured at the part between the face of the axial side of the connector portion and the axial direction of the 2nd shell.

12. motor according to claim 11, which is characterized in that

The motor also includes

1st seal member is configured in the radial outer side of the busbar retainer in the ring-type circumferentially extended The part of the axial other side；And

2nd seal member is configured at the face of the axial side of the busbar retainer in the ring-type circumferentially extended,

2nd shell includes

2nd shell cover covers the axial side of the stator；And

2nd shell canister portion, from the radially outer edge portion of the 2nd shell cover, the other side extends in the axial direction,

1st seal member by the radial outer side of the radially inner side face of the 1st shell and the busbar retainer it Between seal,

2nd seal member is by the axial direction in the face of the axial other side of the 2nd shell cover and the busbar retainer It is sealed between the face of side,

The 1st ring spacer portion configuration is in the position for leaning on radial outside than the 2nd seal member.

13. motor according to claim 11 or 12, which is characterized in that

When being observed along the direction that the connector portion extends, in the medial surface of the through hole and the outside of the connector portion Cricoid 2nd ring spacer portion configured with the encirclement connector portion between face,

The a part in the 2nd ring spacer portion is made of a part in the 1st ring spacer portion.