WO2019065598A1 - Moteur - Google Patents

Moteur Download PDF

Info

Publication number
WO2019065598A1
WO2019065598A1 PCT/JP2018/035371 JP2018035371W WO2019065598A1 WO 2019065598 A1 WO2019065598 A1 WO 2019065598A1 JP 2018035371 W JP2018035371 W JP 2018035371W WO 2019065598 A1 WO2019065598 A1 WO 2019065598A1
Authority
WO
WIPO (PCT)
Prior art keywords
holder
bus bar
pair
bearing
circumferential direction
Prior art date
Application number
PCT/JP2018/035371
Other languages
English (en)
Japanese (ja)
Inventor
幸祐 小川
達也 大西
敬史 瀬口
Original Assignee
日本電産株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電産株式会社 filed Critical 日本電産株式会社
Publication of WO2019065598A1 publication Critical patent/WO2019065598A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto

Definitions

  • the present invention relates to a motor.
  • Patent Document 1 describes a motor in which an insulating plate as a bearing holder and a bus bar holder are fixed by screws.
  • the lead wire extending from the coil penetrates the bearing holder and is connected to the bus bar. Therefore, after the operator aligns the circumferential direction position of the bus bar holder with the bearing holder, the operator attaches the bus bar holder to the bearing holder and connects the bus bar and the lead wire.
  • the position of the conductor with respect to the bus bar at a desired position due to displacement of the position of the conductor extending from the coil. Therefore, there are cases where it is difficult to connect the conducting wire to the bus bar.
  • An object of the present invention is to provide a motor having a structure that can easily connect a conductor extending from a coil to a bus bar.
  • One aspect of the motor according to the present invention includes a rotor having a shaft disposed along a central axis, a coil, a stator radially opposed to the rotor via a gap, and the shaft being rotatable. It is a motor provided with the bearing to support, the bearing holder arrange
  • the bus bar unit includes a plurality of bus bars electrically connected to the coil, and a bus bar holder that holds the bus bar and is disposed on one side in the axial direction with respect to the bearing holder.
  • Each of the plurality of bus bars has a gripping portion that grips a conductor extending from the coil.
  • the grip portion has a first base portion, and a pair of first arm portions extending from the first base portion in the circumferential direction to one side and facing each other via a gap in the radial direction. Conductors extending from the coil are inserted between the radial directions of the pair of first arms.
  • the pair of first arms extend from the first base in the same circumferential direction.
  • the bearing holder has a housing portion having an opening that opens to the other side in the circumferential direction.
  • the bus bar holder has a fitting convex portion fitted to the housing portion.
  • Each of the plurality of bus bars has a gripping portion that grips a conductor extending from the coil.
  • the grip portion has a first base portion, and a pair of first arm portions extending from the first base portion in the circumferential direction to one side and facing each other with a gap in the radial direction. Conductors extending from the coil are inserted between the radial directions of the pair of first arms.
  • the pair of first arms extend from the first base in the same circumferential direction.
  • the bus bar holder has a housing portion having an opening that opens to one side in the circumferential direction.
  • the bearing holder has a fitting convex portion fitted to the housing portion.
  • a motor having a structure that can easily connect a conductor extending from a coil to a bus bar.
  • FIG. 1 is a cross-sectional view showing the motor of the first embodiment.
  • FIG. 2 is a cross-sectional view showing a part of the motor of the first embodiment.
  • FIG. 3 is a perspective view showing a part of the bearing holder of the first embodiment.
  • FIG. 4 is a top view of a part of the bearing holder of the first embodiment.
  • FIG. 5 is a top view of the bus bar unit and the bearing holder of the first embodiment.
  • FIG. 6 is a view of the bus bar unit according to the first embodiment as viewed from below.
  • FIG. 7 is a perspective view showing a part of the bus bar holder of the first embodiment.
  • FIG. 8 is a view showing a part of the attachment procedure of the bus bar unit of the first embodiment.
  • FIG. 9 is a view showing a part of the attachment procedure of the bus bar unit of the first embodiment.
  • FIG. 10 is a perspective view showing a bearing holder of the second embodiment.
  • FIG. 11 is a top view of the bus bar unit and the bearing holder of the second embodiment.
  • the Z-axis direction appropriately shown in each drawing is a vertical direction with the positive side as the upper side and the negative side as the lower side.
  • a central axis J appropriately shown in each drawing is an imaginary line which is parallel to the Z-axis direction and extends in the vertical direction.
  • the axial direction of the central axis J that is, the direction parallel to the vertical direction
  • the radial direction centering on the central axis J is simply referred to as “radial direction”.
  • the circumferential direction centered on is simply referred to as "circumferential direction”.
  • the circumferential direction is appropriately indicated by an arrow ⁇ .
  • the positive side in the Z-axis direction in the axial direction is called “upper side”
  • the negative side in the Z-axis direction in the axial direction is called “lower side”.
  • the upper side corresponds to one side in the axial direction
  • the lower side corresponds to the other side in the axial direction.
  • the side which proceeds in the counterclockwise direction as viewed from the upper side to the lower side in the circumferential direction that is, the side which proceeds in the direction of the arrow ⁇
  • the side advancing clockwise as viewed from the upper side to the lower side in the circumferential direction that is, the side advancing in the direction opposite to the direction of the arrow ⁇ is referred to as “the other side in the circumferential direction”.
  • the vertical direction, the upper side, and the lower side are simply names for describing the relative positional relationship of each part, and the actual positional relationship may be a positional relationship other than the positional relationship indicated by these names. .
  • a motor 10 As shown in FIGS. 1 and 2, a motor 10 according to the present embodiment includes a housing 11, a rotor 20, bearings 51 and 52, a stator 30, a bearing holder 40, and a bus bar unit 90. And a control device 80. As shown in FIG. 1, the housing 11 accommodates each part of the motor 10. The housing 11 is cylindrical around the central axis J. The housing 11 holds the bearing 51 at the bottom on the lower side.
  • the rotor 20 has a shaft 21, a rotor core 22, and a magnet 23.
  • the shaft 21 is disposed along the central axis J.
  • the shaft 21 is rotatably supported by bearings 51 and 52.
  • the rotor core 22 has an annular shape fixed to the outer peripheral surface of the shaft 21.
  • the magnet 23 is fixed to the outer peripheral surface of the rotor core 22.
  • the bearing 51 rotatably supports the shaft 21 on the lower side of the rotor core 22.
  • the bearing 52 rotatably supports the shaft 21 on the upper side of the rotor core 22.
  • the bearings 51 and 52 are ball bearings.
  • the stator 30 faces the rotor 20 in the radial direction via a gap.
  • the stator 30 surrounds the rotor 20 at the radially outer side of the rotor 20.
  • the stator 30 has a stator core 31, an insulator 34, and a plurality of coils 35.
  • the stator core 31 has a core back 32 and a plurality of teeth 33.
  • the plurality of coils 35 are respectively attached to the plurality of teeth 33 via the insulators 34.
  • the coil 35 is configured by winding a conducting wire around the teeth 33 through the insulator 34. From each coil 35, a coil leader 35a is drawn upward.
  • the coil lead-out wire 35 a is a conducting wire extending from the coil 35 and is an end of the conducting wire that constitutes the coil 35.
  • the bearing holder 40 is disposed on the upper side of the stator 30.
  • the bearing holder 40 is made of metal.
  • the bearing holder 40 holds the bearing 52.
  • the bearing holder 40 includes a first outer annular portion 41, a fixed cylindrical portion 42, a first inner annular portion 47, a plurality of first connection portions 44, and a bearing holder. It has a portion 43 and a first projecting portion 45.
  • the first outer annular portion 41 has an annular plate shape whose center is the central axis J and whose plate surface is orthogonal to the axial direction.
  • the fixed cylindrical portion 42 has a cylindrical shape extending downward from the radial outer edge portion of the first outer annular portion 41. As shown in FIG.
  • the first inner annular portion 47 is cylindrical with the central axis J as a center.
  • the first inner annular portion 47 is disposed radially inward of the first outer annular portion 41.
  • the lower end of the first inner annular portion 47 is curved radially inward.
  • the plurality of first connection portions 44 extend in the radial direction.
  • the plurality of first connection portions 44 are arranged at equal intervals along the circumferential direction. For example, twelve first connection portions 44 are provided.
  • the plurality of first connection portions 44 connect the radially inner edge portion of the first outer annular portion 41 and the upper end portion of the first inner annular portion 47.
  • a part of the first connection portions 44 of the first connection portions 44 has a circumferential width that is large at a radially outer portion. For example, in the three first connection portions 44, the circumferential width becomes larger at the radially outer portion.
  • the three first connection portions 44 are arranged at equal intervals along the circumferential direction.
  • First through holes 48 are provided between the first connection portions 44 adjacent to each other in the circumferential direction. The first through hole 48 penetrates the bearing holder 40 in the axial direction. A coil lead-out wire 35 a extending from each coil 35 is passed through each of the first through holes 48.
  • the bearing holding portion 43 is connected to the radially inner edge portion of the lower end portion of the first inner annular portion 47.
  • the bearing holding portion 43 has a cylindrical portion 43a, a lid portion 43b, and an annular projecting portion 43c.
  • the cylindrical portion 43a has a cylindrical shape centered on the central axis J.
  • the outer peripheral surface of the bearing 52 is fixed to the inner peripheral surface of the cylindrical portion 43a.
  • the bearing holder 43 holds the bearing 52.
  • the bearing 52 is spaced apart below the lid 43 b.
  • the lid 43 b has an annular shape that protrudes radially inward from the upper end of the cylindrical portion 43 a.
  • the lid 43 b covers the upper side of the outer ring of the bearing 52.
  • the annular projection 43c protrudes upward from the radial inner edge of the lid 43b.
  • the annular projecting portion 43 c has an annular shape centered on the central axis J.
  • the inner circumferential surface of the annular projection 43c is connected to the upper end of the inner circumferential surface of the lid 43b.
  • the inner circumferential surface of the annular projection 43c and the inner circumferential surface of the lid 43b are disposed at the same position in the radial direction.
  • the central hole 49 axially penetrating the bearing holder 40 is constituted by the lid 43 b and the annular projection 43 c. That is, the bearing holder 40 has a central hole 49.
  • the inner circumferential surface of the central hole 49 is constituted by the inner circumferential surface of the lid 43 b and the inner circumferential surface of the annular projection 43 c.
  • the central hole 49 has a circular shape centered on the central axis J when viewed along the axial direction.
  • the bearing holder main body 40 a is configured by the first outer annular portion 41, the fixed cylindrical portion 42, the first inner annular portion 47, the plurality of first connection portions 44, and the bearing holding portion 43. That is, the bearing holder 40 has a bearing holder main body 40a.
  • the first protrusion 45 protrudes upward from the bearing holder main body 40 a.
  • the first projecting portion 45 is provided across the first outer annular portion 41 and the first connection portion 44.
  • the first projecting portions 45 are respectively provided to the first connection portions 44 in which the width in the circumferential direction described above in the first connection portions 44 is larger in the radially outer portion. That is, in the present embodiment, three first protrusions 45 are provided, and arranged at equal intervals along the circumferential direction.
  • the first protrusion 45 of one of the three first protrusions 45 has an axially recessed hole 46. That is, the bearing holder 40 has a hole 46.
  • the hole 46 is recessed in a direction opposite to the bus bar holder 60 side in the axial direction from the surface of the bearing holder 40 on the side of the bus bar holder 60 described later. In other words, the hole 46 is recessed downward from the upper surface of the bearing holder 40.
  • the upper surface of the bearing holder 40 includes the upper surface of the bearing holder main body 40 a and the lower contact surface 45 a. In the present embodiment, the hole 46 is recessed downward from the lower contact surface 45 a.
  • the hole 46 is disposed at the center of the first protrusion 45. As shown in FIG. 2, the hole 46 is a hole having a bottom.
  • the hole 46 has an introduction portion 46 a and a storage portion 46 b. That is, in the present embodiment, the bearing holder 40 has the housing portion 46 b. The housing portion 46 b is connected to one side in the circumferential direction of the introduction portion 46 a. The housing portion 46 b is recessed downward from the upper surface of the bearing holder 40. In the present embodiment, the housing portion 46b is recessed downward from the lower contact surface 45a. The housing portion 46 b has an opening 46 e that opens to one side in the circumferential direction. In the present embodiment, the opening 46 e opens to the introduction portion 46 a.
  • the housing portion 46 b has a narrow portion 46 c and a wide portion 46 d.
  • the narrow portion 46c is connected to one side in the circumferential direction of the introduction portion 46a.
  • the narrow portion 46c has an opening 46e.
  • the narrow portion 46c extends in the circumferential direction and connects the introduction portion 46a and the wide portion 46d.
  • the radial dimension inside the narrow portion 46c is, for example, uniform and the same as the radial dimension of the opening 46e.
  • the wide portion 46 d is connected to one circumferential side of the narrow portion 46 c.
  • the inner edge of the wide portion 46 d is arc-shaped as viewed from above.
  • the wide portion 46 d has a larger radial dimension than the narrow portion 46 c.
  • the largest radial dimension L2 inside the accommodation portion 46b is larger than the radial dimension inside the narrow portion 46c.
  • the maximum radial dimension L2 inside the accommodation portion 46b is smaller than the maximum radial dimension L3 inside the introduction portion 46a.
  • the dimension in the radial direction in the inside of the introduction portion 46a becomes larger as it goes from the narrow portion 46c to the other side in the circumferential direction, and becomes the maximum dimension L3.
  • the maximum radial dimension L3 in the inside of the introduction portion 46a is the maximum radial dimension in the inside of the hole 46.
  • the bus bar unit 90 is disposed on the upper side of the bearing holder 40.
  • the bus bar unit 90 has a plurality of bus bars 70 and a bus bar holder 60.
  • the bus bar holder 60 is made of resin.
  • the bus bar holder 60 includes the bus bar holder main body 61, the upper central cylindrical portion 62, the lower central cylindrical portion 63, the second projecting portion 64, and the fitting convex portion 65, A wall 68 and a terminal support 66 are provided. That is, in the present embodiment, the bus bar holder 60 has the fitting convex portion 65. That is, in the present embodiment, the bus bar holder 60 corresponds to a first holder, and the bearing holder 40 corresponds to a second holder.
  • the bus bar holder main body 61 has a second inner annular portion 61a, a second outer annular portion 61b, and a plurality of second connection portions 61c.
  • the second inner annular portion 61 a and the second outer annular portion 61 b are annular around the central axis J.
  • the second outer annular portion 61 b surrounds the second inner annular portion 61 a at a radially outer side of the second inner annular portion 61 a as viewed in the axial direction.
  • the second inner annular portion 61 a is disposed on the upper side of the bearing holding portion 43.
  • the second outer annular portion 61 b is disposed on the upper side of the first outer annular portion 41.
  • the second inner annular portion 61 a and the second outer annular portion 61 b are disposed at the same position in the axial direction.
  • the outer diameter of the second outer annular portion 61 b is smaller than the outer diameter of the bearing holder 40.
  • the plurality of second connection portions 61 c extend in the radial direction.
  • the plurality of second connection portions 61c are arranged at equal intervals along the circumferential direction. In FIG. 5, for example, twelve second connection portions 61 c are provided.
  • the plurality of second connection portions 61c connect the second outer annular portion 61b and the second inner annular portion 61a. More specifically, the plurality of second connection portions 61c connect the radially inner edge portion of the second outer annular portion 61b and the radially outer edge portion of the second inner annular portion 61a.
  • the second connection portion 61 c overlaps with the first connection portion 44 as viewed in the axial direction.
  • Second through holes 67 are provided between the second connection portions 61 c adjacent in the circumferential direction.
  • the second through holes 67 penetrate the bus bar holder 60 in the axial direction.
  • the second through holes 67 overlap the first through holes 48 as viewed in the axial direction.
  • a coil leader 35a extending upward through the first through holes 48 is inserted.
  • one second through hole 67 of the second through holes 67 overlaps with part of the introduction portion 46 a as viewed from the upper side.
  • a portion of the introduction portion 46 a overlapping the second through hole 67 is exposed to the upper side of the bus bar holder 60 via the second through hole 67.
  • the introduction portion 46 a may not overlap with the second through hole 67 as viewed from the upper side, and may not be exposed to the upper side of the bus bar holder 60.
  • the upper central cylindrical portion 62 has a cylindrical shape that centers on the central axis J and protrudes upward from the radially inner edge portion of the second inner annular portion 61 a.
  • the lower central tubular portion 63 has a cylindrical shape with the central axis J as a center and projecting downward from the radially inner edge portion of the second inner annular portion 61a. That is, the lower central tubular portion 63 has a cylindrical shape with the central axis J as a center and projecting downward from the bus bar holder main body 61.
  • the inside of the upper central cylindrical portion 62 and the inner of the lower central cylindrical portion 63 are connected in the axial direction, and penetrate the bus bar holder 60 in the axial direction.
  • the upper end portion of the shaft 21 is passed through the inside of the upper center cylindrical portion 62 and the inside of the lower center cylindrical portion 63.
  • the lower end portion of the lower central tubular portion 63 is a portion located on the lowermost side in the bus bar unit 90. As shown in FIG. 2, the lower central tubular portion 63 is fitted in the central hole 49. The lower end portion of the lower central tubular portion 63 is disposed on the upper side of the bearing 52 so as to be opposed to each other via a gap. The lower end of the lower central tubular portion 63 is disposed substantially at the same position as the lower end of the central hole 49 in the axial direction. In the present embodiment, the lower central tubular portion 63 corresponds to a central tubular portion.
  • the second protrusion 64 protrudes downward from the bus bar holder main body 61. As shown in FIG. 6, the second protrusion 64 is provided across the second outer annular portion 61 b and the second connection portion 61 c. The radially outer end portion of the second protrusion 64 is disposed at substantially the same position in the radial direction as the radially outer end portion of the second outer annular portion 61 b. A plurality of second protrusions 64 are provided. The plurality of second protrusions 64 are arranged at equal intervals along the circumferential direction. In FIG. 6, for example, three second protrusions 64 are provided. As shown in FIG. 2, the first protrusion 45 and the second protrusion 64 overlap with each other as viewed in the axial direction.
  • the lower surface of the second protrusion 64 is an upper contact surface 64 a.
  • the upper contact surface 64a is a flat surface orthogonal to the axial direction.
  • the upper contact surface 64 a is disposed above the lower end of the lower central tubular portion 63.
  • the shape viewed from the lower side of the upper contact surface 64a is a rectangular shape elongated in the radial direction.
  • the lower contact surfaces 45 a of the first protrusions 45 and the upper contact surfaces 64 a of the second protrusions 64 contact each other. Thereby, the bus bar unit 90 is positioned in the axial direction with respect to the bearing holder 40.
  • the lower contact surface 45 a and the upper contact surface 64 a are flat surfaces orthogonal to the axial direction, it is possible to suppress the bus bar unit 90 from being inclined to the bearing holder 40. Further, the bus bar unit 90 can be stably supported by the bearing holder 40.
  • one second protrusion 64 of the plurality of second protrusions 64 has a holder recess 64 b. That is, the bus bar holder 60 has a holder recess 64b.
  • the holder recess 64 b is recessed from the surface of the bus bar holder 60 on the bearing holder 40 side to the side opposite to the bearing holder 40 in the axial direction. In other words, the holder recess 64 b is recessed upward from the lower surface of the bus bar holder 60.
  • the holder recess 64b is recessed upward from the upper contact surface 64a.
  • the inner edge of the holder recess 64b is substantially circular when viewed from the lower side.
  • the fitting projection 65 is provided in the second projection 64 provided with the holder recess 64 b among the plurality of second projections 64.
  • the fitting convex portion 65 protrudes from the surface of the bus bar holder 60 on the bearing holder 40 side toward the bearing holder 40 in the axial direction.
  • the fitting protrusion 65 protrudes downward from the lower surface of the bus bar holder 60.
  • the lower surface of the bus bar holder 60 includes, for example, the lower surface of the bus bar holder main body 61, the upper contact surface 64a, and the bottom surface 64c of the holder recess 64b.
  • the bottom surface 64c of the holder recess 64b is a surface that is orthogonal to the axial direction and faces downward.
  • the fitting protrusion 65 protrudes downward from the bottom surface 64c of the holder recess 64b.
  • the fitting projection 65 has a pair of claws 65a and 65b.
  • the pair of claws 65 a and 65 b project downward from the lower surface of the bus bar holder 60.
  • the pair of claws 65a and 65b project downward from the bottom surface 64c of the holder recess 64b.
  • the pair of claws 65a and 65b oppose each other in the radial direction via a gap.
  • the pair of claws 65a, 65b extend along the substantially circumferential direction.
  • the lower portions of the pair of claws 65a and 65b can be bent in the radial direction by elastic deformation.
  • the claw portion 65a has a first portion 65c, a second portion 65d, and a third portion 65e.
  • the first portion 65c is a portion extending in a straight line in a direction which is positioned radially outward as it goes to one side in the circumferential direction out of the direction orthogonal to the axial direction.
  • the second portion 65 d is a portion that bends and extends obliquely outward in the diagonal radial direction from the end on the other side in the circumferential direction of the first portion 65 c toward the other side in the circumferential direction.
  • the third portion 65 e is a portion that bends and extends diagonally outward in the circumferential direction from an end portion on one side in the circumferential direction of the first portion 65 c.
  • the extending length of the second portion 65d is larger than the extending length of the third portion 65e.
  • the claws 65 b are disposed radially outward of the claws 65 a.
  • the claw portion 65b has a first portion 65f, a second portion 65g, and a third portion 65h.
  • the first portion 65 f is a portion extending in a straight line in a direction which is positioned radially inward as it goes to one side in the circumferential direction out of the direction orthogonal to the axial direction.
  • the second portion 65g is a portion that is bent inward in a diagonal radial direction and extends from the end on the other side in the circumferential direction of the first portion 65f toward the other side in the circumferential direction.
  • the third portion 65 h is a portion that is bent inward in a diagonal radial direction and extends from an end on one circumferential side of the first portion 65 f toward one circumferential side.
  • the extension length of the second portion 65g is larger than the extension length of the third portion 65h.
  • the first portion 65c and the first portion 65f oppose each other in the radial direction via a gap.
  • the distance between the first portion 65c and the first portion 65f in the radial direction decreases toward one circumferential side.
  • the second portion 65 d and the second portion 65 g oppose each other in the radial direction via a gap.
  • the third portion 65 e and the third portion 65 h face each other in the radial direction via a gap.
  • the distance between the second portion 65d and the second portion 65g in the radial direction and the distance between the third portion 65e and the third portion 65h are the diameters of the first portion 65c and the first portion 65f. Less than the distance between directions.
  • the distance between the second portion 65d and the second portion 65g in the radial direction and the distance between the third portion 65e and the third portion 65h in the radial direction are substantially equal to each other.
  • the dimension of the fitting convex portion 65 in the radial direction is the distance in the radial direction from the radially inner side surface of the claw portion 65 a to the radially outer side surface of the claw portion 65 b.
  • the radial maximum dimension L4 of the fitting convex portion 65 is larger than the radial minimum dimension L1 inside the narrow portion 46c.
  • the maximum dimension L4 in the radial direction of the fitting protrusion 65 is greater than the maximum dimension in the radial direction inside the narrow portion 46c. Too big.
  • the maximum dimension L4 in the radial direction of the fitting convex portion 65 is the radial inner end of the connecting portion between the first portion 65c and the second portion 65d, and the connecting portion between the first portion 65f and the second portion 65g.
  • the lower part of the fitting convex part 65 that is, the lower part of the pair of claw parts 65 a and 65 b is inserted into and fitted to the housing part 46 b in the hole part 46. More specifically, as shown in FIG. 4, the lower portion of the fitting protrusion 65 is fitted to the wide portion 46 d. A part of the surface on the side opposite to the side facing the other claw portion of the pair of claw portions 65a, 65b contacts, for example, the inner peripheral surface of the wide portion 46d.
  • the surface of the pair of claws 65a and 65b opposite to the side facing the other claw is the radially inner side surface of the claw 65a and the radial outer surface of the claw 65b.
  • the tip of the second portion 65d and the tip of the second portion 65g are inserted into the narrow portion 46c.
  • lower ends of the fitting projections 65 that is, lower ends of the pair of claws 65 a and 65 b are disposed above the bottom of the hole 46.
  • the lower end of the fitting projection 65 is disposed above the lower end of the lower central tubular portion 63.
  • the axial dimension of the portion of the fitting convex portion 65 fitted into the housing portion 46 b is smaller than the axial dimension of the portion of the lower central tubular portion 63 fitted into the central hole 49.
  • the wall portion 68 is disposed on the other side of the fitting convex portion 65 in the circumferential direction.
  • the wall 68 projects downward from the lower surface of the bus bar holder 60. More specifically, the wall 68 projects downward from the upper contact surface 64 a of the second projection 64 on which the fitting projection 65 is provided.
  • the wall 68 extends radially in a straight line.
  • the wall 68 is inserted into the hole 46. More specifically, as shown in FIG. 4, the wall portion 68 is inserted into one end of the introducing portion 46 a in the circumferential direction.
  • the wall portion 68 is disposed on the other side in the circumferential direction of the opening 46 e.
  • the radial dimension of the wall 68 is substantially the same as the radial dimension of the opening 46 e.
  • the wall 68 covers the opening 46 e from the other side in the circumferential direction.
  • the terminal support portion 66 protrudes upward from the bus bar holder main body 61. More specifically, the terminal support portion 66 protrudes upward from the second outer annular portion 61 b.
  • the terminal support 66 is in the form of a rectangular parallelepiped.
  • a plurality of terminal support portions 66 are provided.
  • the plurality of terminal support portions 66 are arranged at equal intervals along the circumferential direction. In FIG. 5, for example, three terminal support portions 66 are provided. Each of the three terminal support portions 66 is disposed at a position overlapping with each of the three second protrusions 64 as viewed in the axial direction.
  • each of the plurality of bus bars 70 has a bus bar main body 71, a connection terminal 72, and a grip portion 73.
  • three bus bars 70 are provided.
  • Each of the three bus bars 70 is provided with one connection terminal 72 and four grips 73 respectively. That is, in the present embodiment, a total of three connection terminals 72 are provided, and a total of twelve gripping portions 73 are provided.
  • the bus bar main body 71 is embedded in the bus bar holder 60.
  • the bus bar holder 60 holds the bus bar 70.
  • the bus bar main body 71 has a plate shape whose plate surface is orthogonal to the axial direction.
  • the bus bar main body 71 extends along a plane orthogonal to the axial direction.
  • the connection terminal 72 is connected to the bus bar main body 71.
  • the connection terminal 72 protrudes upward from the bus bar holder 60. More specifically, the connection terminal 72 protrudes upward from the terminal support 66.
  • the lower portion of the connection terminal 72 is supported by the terminal support 66.
  • the upper end of the connection terminal 72 is connected to the controller 80.
  • the connection terminals 72 of the three bus bars 70 are arranged at equal intervals along the circumferential direction.
  • the gripping portion 73 has a plate shape whose plate surface is orthogonal to the axial direction.
  • the gripping portion 73 is connected to the bus bar main body 71, protrudes from the second connection portion 61c in the circumferential direction to one side, and is exposed to the outside of the bus bar holder 60.
  • the gripping portion 73 is disposed in the second through hole 67.
  • the gripping portion 73 is substantially U-shaped and opens in one circumferential side.
  • the gripping portion 73 has a first base 73a and a pair of first arms 73b and 73c.
  • the first base portion 73a is a portion connected to the bus bar main body 71, and protrudes to one side in the circumferential direction from the second connection portion 61c.
  • the pair of first arm portions 73 b and 73 c extend in the circumferential direction one side from the first base portion 73 a.
  • the first arm 73 b and the first arm 73 c face each other in the radial direction with a gap.
  • the upper end of the coil lead-out wire 35a is inserted into the inside of the grip 73, that is, between the first arm 73b and the first arm 73c in the radial direction.
  • the tip end portions of the pair of first arm portions 73b and 73c are crimped from both sides in the radial direction to hold the coil leader 35a from both sides in the radial direction. Thereby, the holding part 73 holds the coil leader 35a.
  • the gripping portion 73 and the coil leader 35a are fixed to each other, for example, by welding. Thus, the gripping portion 73 is connected to the coil lead wire 35 a, and the bus bar 70 is electrically connected to the stator 30.
  • each of the gripping portions 73 of the plurality of bus bars 70 a pair of first arm portions 73b and 73c extend from the first base portion 73a in the same circumferential direction. Thereby, each of the holding parts 73 opens on the same side in the circumferential direction.
  • the grip portion 73 is shown open to one side in the circumferential direction, but as described above, the first arm portions 73b and 73c are crimped to form the tip end portion of the first arm portion 73b and the first arm portion 73b.
  • the tip of the one arm 73 c may be in contact with the tip. In this case, the opening of the gripping portion 73 is in a closed state.
  • control device 80 is disposed on the upper side of bus bar unit 90.
  • Control device 80 is electrically connected to bus bar 70 via connection terminal 72.
  • Controller 80 supplies power to coil 35 via bus bar 70.
  • Control device 80 includes an inverter circuit that controls the power supplied to coil 35.
  • the worker attaching the bus bar unit 90 to the bearing holder 40 is, as shown in FIG. 8, a side opposite to the side where the grip portion 73 opens in the circumferential direction with respect to the bearing holder 40, that is, the other circumferential direction Position roughly at a position slightly offset to the side. Then, the operator brings the bus bar unit 90 close to the bearing holder 40 from the upper side, and brings the upper contact surface 64 a into contact with the lower contact surface 45 a. Thus, the operator can position the bus bar unit 90 in the axial direction with respect to the bearing holder 40.
  • the coil lead-out wire 35a extending upward through the first through hole 48 is inserted into the second through hole 67, and faces the gripping portion 73 in the circumferential direction.
  • the fitting convex portion 65 and the wall portion 68 are in a state of being inserted into the introduction portion 46 a of the hole portion 46.
  • the worker rotates the bus bar unit 90 in the circumferential direction. More specifically, as shown in FIG. 8, the worker rotates bus bar unit 90 in the circumferential direction toward the side where gripping portion 73 is opened, that is, in the circumferential direction. Thereby, as shown in FIG. 9, the fitting convex portion 65 moves in the hole 46 in the circumferential direction to one side, and is inserted into the narrow portion 46c of the housing 46b from the other side in the circumferential direction via the opening 46e. Be done.
  • the maximum dimension L4 in the radial direction of the fitting convex portion 65 is larger than the minimum dimension L1 in the radial direction inside the narrow portion 46c. Therefore, the fitting convex portion 65 can not pass through the narrow portion 46c in a state where it is not elastically deformed. Therefore, when passing through the narrow portion 46c, the fitting convex portion 65 receives a force from the inner side surface of the narrow portion 46c and elastically deforms in the radial direction. Specifically, the pair of claw portions 65a and 65b receive a force from the inner side surface of the narrow portion 46c, and radially bend toward the other claw portions 65a and 65b. Thereby, the fitting convex portion 65 is elastically deformed so as to be able to pass the narrow portion 46c in the circumferential direction.
  • the fitting convex portion 65 passes through the narrow portion 46c and is inserted into the wide portion 46d.
  • the fitting convex portion 65 inserted into the wide portion 46 d restores and deforms from the elastically deformed state to the original state.
  • the pair of claws 65a and 65b is caught on the inner peripheral surface of the wide portion 46d, and the fitting projection 65 is fitted to the wide portion 46d.
  • the fitting projection 65 is fitted to the housing 46 b by snap fitting.
  • the fitting convex portion is fitted to the accommodating portion by the snap fit means that the fitting convex portion and the fitting convex portion are at least partially inserted until the fitting convex portion is fitted to the accommodating portion. At least one of the housing portion may be in an elastically deformed state.
  • the operator can position and attach the bus bar unit 90 with respect to the bearing holder 40 in the axial direction and the circumferential direction. Since the bus bar unit 90 can be positioned in the circumferential direction with respect to the bearing holder 40, the connection terminals 72 can be positioned in the circumferential direction. Thus, the connection terminal 72 can be easily connected to the control device 80. Further, in the state where bus bar unit 90 is positioned in the circumferential direction with respect to bearing holder 40, coil lead-out wire 35a is inserted into the inside of grip 73 through the opening of grip 73. Thereby, the position of the coil lead-out wire 35a can be matched with the position which can be connected with the bus bar 70.
  • the bearing holder 40 is provided with the housing portion 46 b having the opening 46 e opening on one side in the circumferential direction, and the bus bar holder 60 is fitted into the housing portion 46 b. Is provided.
  • the operator rotates the bus bar unit 90 from the state where the coil lead-out wire 35a is positioned at a position shifted in the circumferential direction with respect to the gripping portion 73 to a position where the fitting convex portion 65 is fitted to the housing portion 46b
  • the fitting convex portion 65 is fitted to the housing portion 46 b by snap fitting. Therefore, it is easy to fit and fix the fitting convex part 65 in the accommodating part 46b easily and firmly.
  • each gripping portion 73 has a circumferential direction before the coil leader 35a is fixed. It opens on the same side. Thus, by rotating the bus bar unit 90 in one direction, each of the plurality of coil lead wires 35 a can be inserted inside the plurality of gripping portions 73.
  • the coil lead wire 35 a is a portion of the second through hole 67 in the circumferential direction one side of the gripping portion 73, that is, from the inside of the gripping portion 73 of the second through hole 67. Also, it may be inserted in a relatively wide part. Therefore, as compared with the case where the bus bar unit 90 is positioned at a position where the coil leader 35 a is directly inserted into the inside of the grip portion 73, positional deviation of the bus bar unit 90 in the circumferential direction is allowed. Thereby, the positioning of the bus bar unit 90 when bringing the bus bar unit 90 close to the bearing holder 40 can be facilitated. In addition, even when the coil leader 35a is displaced, the coil leader 35a can be easily inserted at a desired position, that is, a position of the second through hole 67 that is offset in the circumferential direction with respect to the grip portion 73.
  • the bus bar unit 90 is structurally structured by the fitting convex portion 65 and the receiving portion 46b.
  • the unit 90 can be positioned in the circumferential direction. Therefore, according to the present embodiment, the coil lead-out wire 35a can be easily inserted into the grip portion 73, and the coil lead-out wire 35a can be easily connected to the bus bar 70.
  • the housing portion 46 b is provided in the bearing holder 40, and the fitting convex portion 65 is provided in the bus bar holder 60. Therefore, the strength of the bus bar holder 60 can be secured more easily than when the housing portion is provided in the bus bar holder 60.
  • the maximum dimension L4 in the radial direction of the fitting protrusion 65 is larger than the minimum dimension L1 in the radial direction inside the narrow portion 46c. Therefore, when passing through the narrow portion 46c, the fitting convex portion 65 can be elastically deformed. Thereafter, the fitting convex portion 65 is fitted to the wide portion 46 d in which the dimension in the radial direction in the inside is larger than the narrow portion 46 c. Therefore, the fitting convex portion 65 can be restored and deformed by inserting the fitting convex portion 65 into the wide portion 46 d after passing through the narrow portion 46 c. Therefore, the fitting convex portion 65 can be easily fitted to the housing portion 46 b by snap fitting with a simple structure and using the dimensional difference between the fitting convex portion 65 and the housing portion 46 b.
  • the fitting convex portion 65 protrudes downward from the lower surface of the bus bar holder 60, and the accommodation portion 46 b is recessed downward from the upper surface of the bearing holder 40. Therefore, it is easy to make the fitting convex part 65 and the accommodating part 46b which are mutually fitted. Further, the bus bar holder 60 and the bearing holder 40 can be prevented from being enlarged in the radial direction, and the motor 10 can be easily miniaturized in the radial direction.
  • the fitting convex portion 65 includes the pair of claw portions 65a and 65b that face each other with a gap in the radial direction. Therefore, the fitting convex portion 65 is easily elastically deformed. Thereby, it is easy to elastically deform the fitting convex portion 65 and fit the fitting convex portion 65 to the housing portion 46 b by snap fitting.
  • the pair of claws 65a and 65b project downward from the bottom surface of the holder recess 64b. Therefore, the axial dimension of the pair of claws 65a, 65b can be increased while the axial position of the lower end of the claws 65a, 65b is the same. This makes it possible to elastically deform the pair of claw portions 65a and 65b while suppressing the axial dimension of the bus bar holder 60 relatively small. Therefore, it is easy to miniaturize the motor 10 in the axial direction, and it is easier to fit the fitting convex portion 65 to the housing portion 46 b by snap fitting.
  • the wall 68 covering the narrow portion 46c is provided. Therefore, for example, even if a part of the claws 65a and 65b is separated due to breakage when elastically deformed, the wall 68 moves a part of the separated claws 65a and 65b from the inside of the accommodation part 46b to the outside. Can be suppressed by As a result, it is possible to suppress that part of the separated claw portions 65a and 65b enter, for example, between the rotor 20 and the stator 30, and to suppress the driving of the motor 10 from being inhibited.
  • the separation claw portions 65a , 65b may move from the exposed portion of the introducing portion 46a to the outside of the hole 46. In this case, a part of the separated claws 65 a and 65 b may enter between the rotor 20 and the stator 30 or the like. Therefore, when the introduction portion 46 a is exposed to the upper side of the bus bar holder 60, the above-described effect of the wall portion 68 can be more usefully obtained.
  • the bus bar holder 60 has the lower central tubular portion 63 as the central tubular portion, and the bearing holder 40 has the central hole 49.
  • the bus bar unit 90 can be rotatably supported around the central axis J with respect to the bearing holder 40, and the bus bar unit 90 can be stably rotated. It can be done.
  • the lower end of the lower central tubular portion 63 is disposed lower than the fitting protrusion 65. Therefore, the axial dimension of the lower central tubular portion 63 can be easily increased, and the axial dimension of the portion fitted in the lower central tubular portion 63 can be easily enlarged. Therefore, by fitting the lower central tubular portion 63 and the central hole 49, the bus bar unit 90 can be supported more stably and rotatably.
  • the annular projecting portion 43c that constitutes a part of the inner circumferential surface of the central hole 49 is provided. Therefore, the axial dimension of the central hole 49 can be easily increased. This makes it easier to increase the axial dimension of the portion fitted in the lower central tubular portion 63.
  • the bearing 52 is disposed below the lid 43 b and spaced apart. Therefore, the bearing 52 can be easily separated downward from the lower central cylindrical portion 63 fitted in the central hole 49. Therefore, even if the axial dimension of the lower central tubular portion 63 is increased as described above, the lower end of the lower central tubular portion 63 can be prevented from contacting the bearing 52.
  • the bearing holder 140 of the present embodiment has a fitting protrusion 146. That is, in the present embodiment, the bearing holder 140 is a first holder having the fitting protrusion 146.
  • the fitting protrusion 146 has a cylindrical shape that protrudes upward from the upper surface of the bearing holder 140. In the present embodiment, the fitting protrusion 146 protrudes upward from the upper surface of the first outer annular portion 41.
  • the fitting protrusion 146 is disposed at a position different from the first protrusion 45 in the circumferential direction. For example, the fitting protrusion 146 is disposed between the adjacent first protrusions 45 in the circumferential direction.
  • the upper end portion of the fitting convex portion 146 is the portion of the bearing holder 140 located on the uppermost side.
  • the second outer annular portion 161 b has a recess 161 d that is recessed radially inward.
  • the bus bar holder 160 has a fitting portion 165.
  • the fitting portion 165 has a second base portion 165a and a pair of second arm portions 165b and 165c. That is, the bus bar holder 160 has a second base portion 165a and a pair of second arm portions 165b and 165c.
  • the second base portion 165 a protrudes radially outward from the bus bar holder main body 161. More specifically, the second base portion 165a protrudes radially outward from the bottom surface of the concave portion 161d in the second outer annular portion 161b.
  • the pair of second arm portions 165 b and 165 c extend from the second base portion 165 a in the same circumferential direction. In the present embodiment, the pair of second arm portions 165 b and 165 c extend in one circumferential direction from the second base portion 165 a.
  • the pair of second arm portions 165 b and 165 c oppose each other in the radial direction with a gap.
  • At least one of the tip end portions of the pair of second arm portions 165b and 165c is curved in the radial direction away from the other second arm portions 165b and 165c.
  • both of the tip end portions of the pair of second arm portions 165b and 165c are curved in the radial direction away from the other second arm portions 165b and 165c.
  • the tip of the second arm 165b curves away from the second arm 165c, that is, radially outward.
  • the tip of the second arm 165c is curved away from the second arm 165b, that is, radially inward.
  • the pair of second arms 165b and 165c can be bent in the radial direction by elastic deformation.
  • the bus bar holder 160 has a housing portion 165 d. That is, in the present embodiment, the bus bar holder 160 is a second holder having the accommodation portion 165 d.
  • the bus bar holder main body 161 is a second holder main body.
  • the housing portion 165 d is provided in the fitting portion 165. More specifically, the housing portion 165 d is configured of a second base portion 165 a and a pair of second arm portions 165 b and 165 c. The inside of the housing portion 165 d penetrates the bus bar holder 160 in the axial direction.
  • the housing portion 165 d has an opening 165 g which is open to one side in the circumferential direction.
  • the opening 165 g is provided between the tip ends of the pair of second arms 165 b and 165 c.
  • the housing portion 165 d has a narrow portion 165 e and a wide portion 165 f.
  • the narrow portion 165e has an opening 165g.
  • the radial dimension of the inside of the narrow portion 165e increases toward one circumferential side.
  • the wide portion 165 f is connected to the other circumferential side of the narrow portion 165 e.
  • the inner edge of the wide portion 165 f is arc-shaped as viewed from above.
  • the fitting convex part 146 is fitted in the accommodating part 165d. More specifically, the fitting protrusion 146 is fitted to the wide portion 165 f.
  • the operator attaching the bus bar unit 190 to the bearing holder 140 roughly positions the bus bar unit 190 at a position slightly offset to the other side in the circumferential direction with respect to the bearing holder 140 as in the first embodiment. Contact 140 from above. At this time, the fitting convex portion 146 is disposed at a position shifted to one side in the circumferential direction of the housing portion 165 d. As a result, when the operator rotates the bus bar unit 190 to one side in the circumferential direction, the accommodation portion 165d moves to one side in the circumferential direction, and the fitting convex portion 146 is fitted to the narrow portion 165e of the accommodation portion 165d from the opening 165g. Is inserted.
  • the maximum radial dimension of the fitting protrusion 146 is larger than the radial minimum dimension inside the narrow portion 165e. Therefore, when the fitting convex portion 146 passes through the narrow portion 165e, the accommodation portion 165d is elastically deformed in the radial direction. Specifically, the pair of second arm portions 165 b and 165 c is pushed and spread by the fitting convex portion 146 and is bent to the side away from the other second arm portions 165 b and 165 c. As a result, the dimension in the radial direction inside the narrow portion 165e is increased, and the fitting projection 146 can pass the narrow portion 165e in the circumferential direction.
  • the narrow portion 165e moves to one side in the circumferential direction with respect to the fitting convex portion 146, and the fitting convex portion 146 is inserted into the wide portion 165f.
  • the fitting protrusion 146 is removed from the narrow portion 165e and inserted into the wide portion 165f, the pair of second arms 165b and 165c restores and deforms from the elastically deformed state to the original state.
  • the pair of second arm portions 165 b and 165 c is caught by the fitting convex portion 146, and the fitting convex portion 146 is fitted to the wide portion 165 f. In this manner, the fitting protrusion 146 is fitted to the housing portion 165d by a snap fit.
  • the coil lead-out wire 35a can be easily inserted into the grip portion 73, and the coil lead-out wire 35a can be easily connected to the bus bar 70.
  • the housing portion 165 d is provided in the bus bar holder 160, and the fitting convex portion 146 is provided in the bearing holder 140. Therefore, the strength of the bearing holder 140 can be easily secured as compared with the case where the housing portion is provided in the bearing holder 140.
  • the housing portion 165 d is configured of the second base portion 165 a and the pair of second arm portions 165 b and 165 c. Therefore, when the pair of second arm portions 165b and 165c elastically deform, the accommodation portion 165d is easily elastically deformed.
  • At least one of the tip end portions of the pair of second arm portions 165b and 165c is curved in the radial direction away from the other second arm portions 165b and 165c. Therefore, the distance between the end portions of the pair of second arms 165b and 165c can be increased, and the dimension in the radial direction of the opening 165g can be increased.
  • the fitting convex portion 146 can be easily inserted into the housing portion 165d from the opening 165g.
  • the second arm portions 165 b and 165 c can be easily spread by the fitting convex portion 146, and the second arm portions 165 b and 165 c can be easily elastically deformed.
  • both of the tip end portions of the pair of second arm portions 165b and 165c are curved in the radial direction away from the other second arm portions 165b and 165c. Therefore, the second arms 165 b and 165 c are more easily elastically deformed.
  • the present invention is not limited to the above-described embodiment, and the following other configurations can be adopted.
  • the bus bar holder 60 includes the lower central tubular portion 63 as the central tubular portion, and the bearing holder 40 includes the central hole 49, but the present invention is not limited thereto.
  • the bus bar holder has a central hole which passes through the bus bar holder in the axial direction centering on the central axis J, and the cylindrical holder whose bearing holder projects upward from the bearing holder main body with the central axis J as the center It is good also as composition which has a part.
  • a housing portion having the same shape as the housing portion 46b of the first embodiment is provided on the bus bar holder, and a fitting convex portion having the same shape as the fitting convex portion 65 of the first embodiment is provided on the bearing holder It is also good.
  • An accommodating portion having the same shape as the accommodating portion 165d of the second embodiment is provided on the bearing holder, and a fitting convex portion having the same shape as the fitting convex portion 146 of the second embodiment is provided on the bus bar holder It is also good.
  • the housing part and the fitting convex part of each embodiment may be combined respectively.
  • the housing portion and the fitting convex portion may be provided in plurality. Specifically, for example, in the second embodiment, a plurality of fitting protrusions 146 may be provided along the circumferential direction.
  • the fitting convex portion is not particularly limited as long as it is fitted to the housing portion.
  • the fitting protrusion may be fitted to the housing without depending on the snap fit.
  • the fitting protrusion may not protrude in the axial direction.
  • the fitting protrusion may, for example, protrude in the circumferential direction.
  • the housing portion has an opening that opens in the circumferential direction, and is not particularly limited as long as the fitting convex portion is fitted.
  • the housing portion may open on both sides in the circumferential direction.
  • One of the tips of the pair of second arms may not be curved in the radial direction away from the other second arm. It is not necessary for both tips of the pair of second arms to be curved in the radial direction away from the other second arm.
  • the hole may be a hole penetrating the bearing holder.
  • a plurality of holes may be provided.
  • the accommodating portion may be provided for each hole.
  • the number of first protrusions and the number of second protrusions are not particularly limited.
  • the first and second protrusions may not be provided.
  • the number of connection terminals is not particularly limited.
  • the number of bus bars and the number of grips are not particularly limited as long as they are two or more.
  • the bearing may contact a lid of the bearing holder.
  • the bearing holder may not have an annular protrusion.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

Dans un mode de réalisation du moteur selon la présente invention, une unité de barre omnibus comprend : une pluralité de barres omnibus connectées électriquement à une bobine; et un support de barre omnibus pour maintenir les barres omnibus, le support de barre omnibus étant disposé sur un côté axial d'un support de palier. Chaque barre omnibus de la pluralité de barres omnibus a une partie de serrage permettant de serrer un fil conducteur qui s'étend à partir de la bobine. La partie de serrage a une première partie de base, et une paire de premières parties de bras qui s'étendent jusqu'à un côté périphérique à partir de la première partie de base et se font face à travers un espace dans la direction radiale. Le fil conducteur s'étendant à partir de la bobine est inséré dans l'espace de direction radiale entre la paire de premières parties de bras. Dans chacune des parties de serrage de la pluralité de barres omnibus, la paire de premières parties de bras s'étend vers le même côté périphérique à partir de la première partie de base. Le support de palier comporte une partie de réception ayant une ouverture qui s'ouvre sur l'autre côté périphérique. Le support de barre omnibus a une partie convexe d'ajustement ajustée dans la partie de réception.
PCT/JP2018/035371 2017-09-28 2018-09-25 Moteur WO2019065598A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017188046 2017-09-28
JP2017-188046 2017-09-28

Publications (1)

Publication Number Publication Date
WO2019065598A1 true WO2019065598A1 (fr) 2019-04-04

Family

ID=65901382

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/035371 WO2019065598A1 (fr) 2017-09-28 2018-09-25 Moteur

Country Status (1)

Country Link
WO (1) WO2019065598A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1037970A (ja) * 1996-07-26 1998-02-13 Tokai Rika Co Ltd 操作部材の取付構造
JP2000333400A (ja) * 1999-05-19 2000-11-30 Hitachi Cable Ltd 射出成形端子台
US20070215780A1 (en) * 2006-02-14 2007-09-20 Eichert Joseph C Picture Frame Fixings
JP2011041359A (ja) * 2009-08-07 2011-02-24 Denso Corp 駆動回路内蔵型モータ
JP2016195504A (ja) * 2015-03-31 2016-11-17 日本電産株式会社 モータ
WO2016199077A1 (fr) * 2015-06-12 2016-12-15 Valeo Japan Co., Ltd. Dispositif de connexion électrique entre un moteur électrique et une unité d'alimentation dudit moteur, notamment pour compresseur de véhicule automobile
JP2017103886A (ja) * 2015-12-01 2017-06-08 未来工業株式会社 取着体、及び配線ボックス固定装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1037970A (ja) * 1996-07-26 1998-02-13 Tokai Rika Co Ltd 操作部材の取付構造
JP2000333400A (ja) * 1999-05-19 2000-11-30 Hitachi Cable Ltd 射出成形端子台
US20070215780A1 (en) * 2006-02-14 2007-09-20 Eichert Joseph C Picture Frame Fixings
JP2011041359A (ja) * 2009-08-07 2011-02-24 Denso Corp 駆動回路内蔵型モータ
JP2016195504A (ja) * 2015-03-31 2016-11-17 日本電産株式会社 モータ
WO2016199077A1 (fr) * 2015-06-12 2016-12-15 Valeo Japan Co., Ltd. Dispositif de connexion électrique entre un moteur électrique et une unité d'alimentation dudit moteur, notamment pour compresseur de véhicule automobile
JP2017103886A (ja) * 2015-12-01 2017-06-08 未来工業株式会社 取着体、及び配線ボックス固定装置

Similar Documents

Publication Publication Date Title
JP5290612B2 (ja) ステータ、モータ及びステータの製造方法
WO2017026412A1 (fr) Moteur
JP2007014083A (ja) 車両用薄型ブラシレスモータの集中配電部材
WO2017026413A1 (fr) Moteur
JP6581378B2 (ja) 電気モータ
JP2012249394A (ja) モータコア、ステータ及びステータの製造方法
CN111052555B (zh) 马达
JP7160031B2 (ja) モータ
WO2019189309A1 (fr) Moteur
JP2008289325A (ja) バスバー装置取付構造及びステータ
US10128718B2 (en) Stator, brushless motor, and stator manufacturing method
JP2019068538A (ja) モータ
CN111033958B (zh) 马达
JP2007174826A (ja) 回転電機用ステータ、インシュレータ、及びバスバーユニット
JP7205479B2 (ja) モータおよびモータの製造方法
JP7131545B2 (ja) モータ
WO2019065598A1 (fr) Moteur
WO2019167522A1 (fr) Moteur
JP2019062708A (ja) モータ
WO2018180639A1 (fr) Moteur
WO2018180641A1 (fr) Moteur
EP2874283A1 (fr) Structure de maintien de borne provisoire, et résolveur comprenant une structure de maintien de borne provisoire
JP2019180198A (ja) モータ
CN109586484B (zh) 马达
JP2011125119A (ja) モータ

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18860731

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18860731

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP