CN110277840A - Motor - Google Patents

Abstract

Motor is provided, which includes rotor, and the above lower central axis extended pivots about；Stator, it is opposed radially with the rotor；And insulating element, it is configured at the upside of the stator.The stator includes stator core, has the multiple teeth circumferentially arranged；Multiple coils, they are by constituting Wire-wound in each tooth of multiple teeth；And coil line, it is pulled out from the coil.The insulating element includes main part, covers at least part on the top of the stator；Pulling unit has from the upper surface of the main part towards upside part outstanding；And through hole, penetrate through the pulling unit.Configured with the pin extended from the upper surface of the insulating element towards upside on the insulating element.For a part of the coil line by the through hole, front end is wound in the pin.

Description

Motor

Technical field

The present invention relates to motors.

Background technique

In Japanese Kokai Japanese Laid-Open Patent Publication 11-275793, the lead terminal for being related to stator and and external connection are disclosed Lead carry out wiring construction technology.It is intended that implementing to mould with the stator of external cabling to lead is used Made of in motor, reduce direct fee of material by abolishing substrate.

The motor of Japanese Kokai Japanese Laid-Open Patent Publication 11-275793 includes the stator of motor, and it is fixed to be formed in end Insulating sublayer portion, the stator insulation portion throughout have the lead terminal of stator；Lead is connect with external power supply etc.；Lead Connection unit is arranged in stator insulation portion, connect the lead terminal of stator with lead；Lead positioning unit, assembling On the stator of motor, lead is positioned；Lead fixed plate has the lead for passing through for lead connection unit The opening portion of connection unit installation；And lead fixed cell, lead is fixed in lead fixed plate.

In Japanese Kokai Japanese Laid-Open Patent Publication 11-275793 bulletin, pin is instantiated as the lead terminal of stator is made The lead connection unit being connect with lead.The pin is set to the stator insulation portion on the end for being formed in stator.Such a In structure, for example, in order to ensure the wall thickness for mounting pin, and be difficult to keep stator insulation portion thinning.

Summary of the invention

The object of the present invention is to provide the technologies that can be suitably routed the coil line pulled out from stator.

The motor of illustration of the invention includes rotor, and the above lower central axis extended pivots about；It is fixed Son, it is opposed radially with the rotor and configure；And insulating element, it is configured at the upside of the stator.It is described fixed Son includes stator core, has the multiple teeth circumferentially arranged；Multiple coils, they by by Wire-wound in multiple institutes It states each tooth of tooth and constitutes；And coil line, it is pulled out from the coil.The insulating element includes main part, covering At least part on the top of the stator；Pulling unit has from the upper surface of the main part towards upside portion outstanding Point；And through hole, penetrate through the pulling unit.Configured with the upper surface court from the insulating element on the insulating element The pin extended to upside.For a part of the coil line by the through hole, front end is wound in the pin.

The present invention of illustration provides the technology that can be suitably routed the coil line pulled out from stator.

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 of the motor of embodiments of the present invention.

Fig. 2 is the vertical sectional view of the motor of embodiments of the present invention.

Fig. 3 is the perspective view of the motor after removing shell.

Fig. 4 is the perspective view of insulating element.

Fig. 5 is the bottom view of the insulating element from downside.

Fig. 6 is that amplification shows pulling unit and surrounding sectional block diagram.

Fig. 7 is to be viewed from above through hole and surrounding enlarged plan view.

Fig. 8 is that amplification shows wiring portion and surrounding perspective view.

Specific embodiment

Hereinafter, embodiment illustrated of the invention is described in detail on one side referring to attached drawing on one side.In this explanation In book, the direction parallel with the central axis C of motor 100 shown in Fig. 2 is known as " axial direction ", it will be vertical with central axis C Direction is known as " radial direction ", will be known as " circumferential direction " along the direction of the circular arc centered on central axis C.In addition, in the present specification, Be used as up and down direction for axial, be upside relative to 2 insulating element 3 of stator, thus the shape and positional relationship to each section into Row explanation.But direction of the definition of up and down direction when being not intended to limit the use of motor 100 of the invention.

Fig. 1 is the perspective view of the motor 100 of embodiments of the present invention.Fig. 2 is the motor 100 of embodiments of the present invention Vertical sectional view.Motor 100 has rotor 1, stator 2 and insulating element 3.Motor 100 also has bearing portion 4, cartridge housing Body 5 and shell 6.Motor 100 can both have circuit board, can also not have circuit board.

The lower central axis C extended of 1 or more rotor is pivoted about.Rotor 1 have axis 10, rotor retainer 11 with And magnet 12.Centered on the lower central axis C extended of 10 or more axis.Axis 10 is, for example, columned component made of metal. But the shape that axis 10 is different such as can also be cylindrical in shape.Axis 10 can also be made of the material other than metal.

Rotor retainer 11 has rotor canister portion 11a and rotor bottom 11b.Rotor canister portion 11a and rotor bottom 11b are by one A metal parts is constituted.Rotor canister portion 11a is in the cylindrical shape vertically extended centered on central axis C.Rotor bottom 11b is located at the lower end of rotor canister portion 11a, in the annular shape centered on central axis C.That is, under rotor retainer 11 The opening 111 of round is provided on surface.The lower end of axis 10 is inserted in opening 111, and rotor retainer 11 is fixed on axis 10 On.That is, rotor retainer 11 is integrally formed with axis 10 and is rotated.

Magnet 12 is fixed on the inner peripheral surface of rotor retainer 11.Specifically, magnet 12 is for example by being bonded or being pressed into And it is fixed on the inner peripheral surface of rotor canister portion 11a.In the present embodiment, magnet 12 is in the annular shape centered on central axis C. But magnet 12 can also be by constituting across multiple flat thin magnets that interval configures in the circumferential.

Stator 2 is opposed radially with rotor 1 and configures.Stator 2 is the armature that magnetic flux is generated according to driving current.It is fixed Son 2 is in the annular shape centered on central axis C.In the present embodiment, stator 2 is located at the radially inner side of magnet 12.This reality The motor 100 for applying mode is the motor of so-called outer-rotor type.But motor 100 is also possible to match in the radially inner side of stator Set the motor of the so-called inner-rotor type of rotor.

Stator 2 has stator core 20, multiple coils 21 and coil line 22.It is omitted in Fig. 2 middle line astragal 22, but Coil line 22 is described in aftermentioned Fig. 3.Stator 2 also has insulating part 23.

Stator core 20 is magnetic substance.Stator core 20 is for example made up of laminated electromagnetic steel plate.Stator core 20 has There are multiple tooth 20a.Stator core 20 also has core-back 20b.Core-back 20b is in the annulus centered on central axis C Shape.Multiple tooth 20a are protruded outward from core-back 20b to diameter respectively.Multiple tooth 20a are circumferentially arranged.In this embodiment party In formula, multiple tooth 20a circumferentially arranged at equal intervals.The end of the radially inner side of the end face and magnet 12 of the radial outside of each tooth 20a Face is opposed.

Multiple coils 21 are by constituting Wire-wound in each tooth 20a of multiple tooth 20a.Specifically, absolutely For edge part 23 between coil 21 and tooth 20a, which covers at least part of stator core 20.Insulating part 23 is for example It is the insulator being made of resin etc..

Coil line 22 is pulled out from coil 21.Specifically, coil line 22 is to make drawing for the outside for being drawn out to motor 100 Line 7 be electrically connected with multiple coils 21 and from coil 21 pull out conducting wire.Lead 7 is connect with external power supply (not shown).In this reality It applies in mode, motor 100 is 3 phase motors, and the quantity of coil line 22 and lead 7 is 3.But the number of coil line 22 and lead 7 Amount is not limited to 3, is also possible to other quantity.Motor 100 is not limited to 3 phase motors, such as be also possible to single-phase motor etc..

Insulating element 3 is configured at the upside of stator 2.Insulating element 3 is in order to which coil line 22 is arranged with 7 wiring of lead Tectosome.As long as insulating element 3 has insulating properties, it is not particularly limited the raw material of the insulating element 3.Insulating element 3 Such as it is made of resin.The details of insulating element 3 is described below.

The bearing of axis 10 is able to carry out rotation by bearing portion 4.In the present embodiment, bearing portion 4 has 40 He of upper bearing (metal) Lower bearing 41.Upper bearing (metal) 40 is configured across interval in the axial direction with lower bearing 41.Upper bearing (metal) 40 and lower bearing 41 are all balls Bearing.The quantity for constituting the bearing of bearing portion 4 is not limited to 2, is also possible to 1 or 3 or more.Constitute the bearing of bearing portion 4 Type be not limited to ball bearing, be also possible to the other kinds of bearing such as sleeve bearing.

Bear box 5 keeps bearing portion 4.In the present embodiment, bear box 5 is to upper bearing (metal) 40 and lower bearing 41 are kept.Bear box 5 is in the tubular vertically extended centered on central axis C.Bear box 5 is configured at fixed The radially inner side of son 2 is simultaneously fixed on the stator 2.Bear box 5 is for example fixed on stator core 20 by indentation.Cartridge housing Body 5 has the 1st canister portion 50 and the 2nd canister portion 51.1st canister portion 50 is located at the position more upper than the 2nd canister portion 51, and diameter is than the 2nd Portion 51 is big.1st canister portion 50 keeps upper bearing (metal) 40.2nd canister portion 51 keeps lower bearing 41.

Shell 6 stores rotor 1, stator 2, insulating element 3, bearing portion 4 and bear box 5.Shell 6 for example by metal or Resin is constituted.In the present embodiment, shell 6 has upper housing 60 and lower case 61.Upper housing 60 is annular in shape.The top of axis 10 It is prominent to the upside of upper housing 60 by the central opening 601 up and down of upper housing 60.Bear box 5 is fixed on upper casing Body 60.

Lower case 61 is in bottomed tube.The side wall of lower case 61 surrounds the periphery of rotor 1.Lower case 61 has in upper end To radial outside flange part 611 outstanding.The lower surface of upper housing 60 is contacted with the upper surface of flange part 611, and lower case 61 is solid Due to upper housing 60.Shell nozzle 612 is provided on the side wall of lower case 61.Lead 7 is drawn out by shell nozzle 612 To the outside of motor 100.

By providing driving current to stator 2, to generate rotation torque between magnet 12 and stator 2.Have as a result, The rotor 1 of axis 10 is rotated relative to stator 2.For example, can make to rotate by the upper end that rotating vane is mounted on to axis 10 Blade is pivoted about with central axis C.

Fig. 3 is the perspective view of the motor 100 after removing shell 6.Fig. 4 is the perspective view of insulating element 3.Fig. 5 is from downside Observe the bottom view of insulating element 3.As shown in Figures 3 to 5, insulating element 3 have main part 30, pulling unit 31, through hole 32, Wiring portion 33 and maintaining part 34.

Main part 30 covers at least part on the top of stator 2.In the present embodiment, main part 30 is with central axis Circular plate-shaped member centered on line C.Main part 30 has the main part opening 301 vertically penetrated through in central portion.Axis 10 and bear box 5 a part pass through main part opening 301.

Main part 30 has the fixation hole 302 penetrated through along the vertical direction around main part opening 301.In this embodiment party In formula, the quantity of fixation hole 302 is multiple.Specifically, the quantity of fixation hole 302 is 3.But the quantity of fixation hole 302 It is also possible to 1.Multiple fixation holes 302 circumferentially, equally spaced configure.

Insulating part 23 has the fixed projection (not shown) extended from upper surface to upside.The quantity and fixation of fixed projection The quantity in hole 302 is identical.In the present embodiment, the quantity of fixed projection is 3.Insulating element 3 is by inserting fixed projection Enter fixation hole 302 and is fixed on insulating part 23.It is so-called to be also possible to using the fixed form of fixation hole 302 and fixed projection It is snap-fitted.

In the present embodiment, the lower surface pair of the upper surface of the end of the radially inner side of main part 30 and the 1st canister portion 50 It sets.The lower surface of the end of the radially inner side of main part 30 is opposed with the upper surface of insulating part 23.By the diameter for making main part 30 End inwardly is contacted with the 1st canister portion 50 and insulating part 23, can firmly fix insulating element 3.

Main part 30 has the notch 303 being recessed from inner peripheral surface towards radial outside.Notch 303 is embedding for positioning protrusion 52 Enter, the positioning protrusion 52 is prominent from the outer peripheral surface of bear box 5 towards radial outside.Thereby, it is possible to right relative to bear box 5 Insulating element 3 carries out circumferential positioning.

Main part 30 has multiple 1st ribs 304 on an upper, and multiple 1st rib 304 is in centered on central axis C Ring-type.Main part 30 has multiple 2nd ribs 305 on an upper, and multiple 2nd rib 305 is in put centered on central axis C Penetrate shape extension.By the 1st rib 304 of setting and the 2nd rib 305, the intensity of main part 30 can be improved.By the way that 304 He of the 1st rib is arranged 2nd rib 305 is able to suppress the deformation when molding of insulating element 3.But it is also possible to be not provided with the 1st rib 304 and the 2nd rib 305.

Pulling unit 31 is the privileged site in order to which the front end of coil line 22 to be drawn out to the upside of insulating element 3 and is arranged 's.Pulling unit 31 has the part upwardly projecting from the upper surface of main part 30.In the present embodiment, the part outstanding Vertical cross section shape be generally trapezoidal.Pulling unit 31 corresponds to the quantity of coil line 22 and is arranged.Specifically, pulling unit 31 Quantity it is identical as the quantity of coil line 22.In the present embodiment, since the quantity of coil line 22 is 3, pulling unit 31 quantity is also 3.3 pulling units 31 are arranged side by side in the circumferential.Adjacent pulling unit 31 is adjacent.By keeping pulling unit 31 adjacent Configuration can make the circumferential width of wiring portion 33 become smaller.But adjacent pulling unit 31 can also be in the circumferential across interval And it configures.

Through hole 32 penetrates through pulling unit 31.In the present embodiment, through hole 32 penetrates through pulling unit 31 along the vertical direction.By This, can simplify the construction of the mold used when forming to insulating element 3.But through hole 32 for example can also be from drawing The lower surface in portion 31 is bent in L-shaped and penetrates through pulling unit 31 out.In such a structure, coil line 22 can also be pulled out To privileged site.

Configured with the pin 8 extended from the upper surface of insulating element 3 towards upside on insulating element 3.In present embodiment In, pin 8 configures in wiring portion 33.Pin 8 is the component different from insulating element 3.Pin 8 is the component of electric conductivity, such as by gold Belong to and constituting.In the present embodiment, pin 8 is in the form of a column.For example, pin 8 is in flat column or cylindric.But the shape of pin 8 can also be with Suitably change.Pin 8 is for example fixed on insulating element 3 and being pressed into or being bonded.

In the present embodiment, pin 8 is located at the position that radial outside is leaned on than through hole 32.In other words, pin 8 is located at than pulling out The position of radial outside is leaned in portion 31.Thereby, it is possible to which pin 8 to be configured to the radial outside of insulating element 3, so as to easily make The lead 7 and pin 8 for being drawn out to the outside of motor 100 are attached.

As shown in figure 3, a part of coil line 22 is by through hole 32, front end is wound in pin 8.Coil line 22 and pin 8 Electrical connection.According to the present embodiment, pin 8 is drawn out to via insulating element 3 due to coil line 22, can be improved insulation Property.According to the present embodiment, the range for acting coil line 22 freely and being provided with pulling unit 31 of through hole 32 is reduced, So as to inhibit to apply unnecessary power to coil line 22 when making coil line 22 and 7 wiring of lead.According to the present embodiment, Since pin 8 is arranged on insulating element 3, the wall thickness of insulating part 23 can be made thinning.

Fig. 6 is that amplification shows pulling unit 31 and surrounding sectional block diagram.As shown in Figure 5 and Figure 6, it is penetrated through by setting Hole 32, and make pulling unit 31 that there is inner wall 310.In other words, pulling unit 31 has the inner wall 310 for constituting through hole 32.Inner wall 310 With with the inclined surface 3101 for making through hole 32 narrow towards upside.Inclined surface 3101 can be plane and be also possible to be bent Face.By the way that inclined surface 3101 is arranged, it can easily make coil line 22 when making coil line 22 towards upside by through hole 32 Front end along inclined surface 3101 to purpose direction pull out.

In the present embodiment, inner wall 310 radially inner side have with towards upside and to far from central axis C side To inclined inclined surface 3101.As a result, when making coil line 22 towards upside by through hole 32, inclined surface 3101 is towards radial direction Outside inclination.It therefore, can be easily by the front end of coil line 22 towards positioned at the position for leaning on radial outside than through hole 32 Pin 8 and pull out.

Inclined surface 3101 is preferably disposed on the entirety from the lower end of the radially inner side of inner wall 310 to upper end, but can also set It is placed in a part.The gradient of inclined surface 3101 can be constant from the lower end of the radially inner side of inner wall 310 to upper end, but It can be changed in midway.In addition, the position of setting inclined surface 3101 can be according to the direction of the desired front end for pulling out coil line 22 And it changes.Such as in the case where the radial outside of pulling unit 31 is not provided with pin 8, inclined surface 3101 can be according to 8 institute of pin The position of setting and be set to the position different from the radially inner side of inner wall 310.

As shown in fig. 6, inner wall 310 is opposed side has towards 3101 side of inclined surface radially with inclined surface 3101 The flexure plane 3102 of protrusion.As a result, due to the position bending for being easy to contact with the coil line 22 pulled out from through hole 32, energy Enough inhibit to apply unnecessary power to coil line 22.

In the present embodiment, due to being provided with inclined surface 3101 in the radially inner side of inner wall 310, in inner wall 310 Radial outside be provided with flexure plane 3102.Flexure plane 3102 is bent to the direction heaved towards radially inner side.Flexure plane 3102 It is preferably arranged on at least top of the radial outside of inner wall 310.But flexure plane 3102 also can be set in from inner wall 310 Radial outside lower end to upper end entirety.

Since pin 8 is located at the position than pulling unit 31 by radial outside, the coil line 22 pulled out from through hole 32 holds Easily contacted with the radial outside portion of inner wall 310.Due to being provided with flexure plane 3102 in the contact site, be able to suppress to Coil line 22 applies unnecessary power.

As shown in fig. 6, pulling unit 31 also has opening portion 311.Opening portion 311 is connected with through hole 32.Opening portion 311 supplies A part of coil line 22 passes through.In the position more upper than the upper surface of main part 30, opening portion 311 and inclined surface 3101 exist It is radially opposed.According to this structure, it can will easily pass through the front end of the coil line 22 of through hole 32 using opening portion 311 It is drawn out to the side opposed with inclined surface 3101.

In the present embodiment, it is constituted and the wall portion of radial outside of the opening portion 311 by cutting away pulling unit 31.Opening portion 311 are located at the radial outside of inclined surface 3101.Opening 311, can be easily by the front end of coil line 22 towards position In the radial outside of pulling unit 31 pin 8 and pull out.

Fig. 7 is to be viewed from above through hole 32 and surrounding enlarged plan view.As shown in fig. 7, the diameter of through hole 32 is outside The circumferential width W2 of side is smaller than the circumferential width W1 of radially inner side.Specifically, as shown in figure 5, there is inclination in inner wall 310 The wall surface of the radially inner side in face 3101 narrows with the width circumferential towards upside.On the other hand, the diameter in inner wall 310 is outside The wall surface of the side width constant circumferential from lower end to upper end.The wall surface of opposed pairs in the circumferential in inner wall 310 with The circumferential narrower intervals towards upside.

It, can be with towards upside when making coil line 22 towards upside by through hole 32 by such a structure And the movable range of suppression coil line 22.As a result, insulation easily can be configured at the front end direction of coil line 22 The pin 8 of the upper surface of component 3 and pull out.

For example, as shown in figure 4, wiring portion 33 is prominent from main part 30 to radial outside.Fig. 8 is that amplification shows wiring portion 33 And surrounding perspective view.Fig. 8 shows the state that pin 8 and terminal 9 are configured in wiring portion 33.As shown in figures 3 and 8, exist The upside of wiring portion 33 is configured with pin 8 and terminal 9.In the present embodiment, since motor 100 is three-phase motor, in cloth 3 pin 8 and 3 terminals 9 are configured in line portion 33.

For example, as shown in fig. 6, being provided with the recess portion 330 of the insertion of supply and marketing 8 in the upper surface of wiring portion 33.330 direction of recess portion Downside recess.In the present embodiment, due to being configured with 3 pins 8, the quantity of recess portion 330 is 3.Pin 8 for example passes through pressure Enter or is bonded and is fixed on recess portion 330.

Terminal 9 is connect with the one end of lead 7, which be electrically connected external power supply with coil line 22.Terminal 9 has The via hole 90 that supply and marketing 8 passes through.Specifically, terminal 9 is made of the component of the electric conductivity such as metal.Terminal 9 includes terminal bodies Portion 91, with via hole 90；And lead maintaining part 92, it is connect with lead 7.In the present embodiment, terminal body 91 is annular in shape.Via hole 90 is located at the center of terminal body 91.On the basis of the center of via hole 90, lead maintaining part 92 from A part of the periphery of terminal body 91 extends towards radial outside.Lead maintaining part 92 has cylindrical portion, the end of lead 7 Into the inside of cylindrical portion.Terminal 9 is electrically connected with lead 7.

Wiring portion 33 according to the present embodiment can easily be such that lead 7 is electrically connected with coil line 22.Pin 8 is logical Cross the via hole 90 for being configured at the terminal 9 of wiring portion 33.The front end of the coil line 22 pulled out from through hole 32 is wound in pin 8. Coil line 22 is electrically connected with pin 8.The pin 8 for being wound with coil line 22 is electrically connected with terminal 9 using conductive member (not shown).By This, lead 7 is electrically connected with coil line 22.Conductive member is for example also possible to solder or conductive paste etc..

Wiring portion 33 has terminal mounting portion 331.Terminal mounting portion 331 is to load the part of terminal 9.In present embodiment In, due to being configured with 3 terminals 9 in wiring portion 33, wiring portion 33 has 3 terminal mounting portions 331.It is carried using terminal Portion 331 is set, can be defined at the position that terminal 9 is configured to the accommodating terminal 9 when in wiring portion 33.In the present embodiment, exist It is provided with slot 332 between adjacent terminal mounting portion 331, each terminal mounting portion 331 can be positively identified using slot 332.By This, can be improved the operating efficiency of the assembling operation of motor 100.

In the present embodiment, wiring portion 33 is located at the radial outside of pulling unit 31.Specifically, wiring portion 33 is located at 3 The radial outside of a pulling unit 31.It, can be easily since the wiring portion 33 configured with pin 8 is located near pulling unit 31 The front end of the coil line 22 pulled out from through hole 32 is wound in pin 8.

Wiring portion 33 at least has a pair of of a guide portion 333.A pair of of guide portion 333 is prominent from the upper surface of wiring portion 33 Out, lead 7 or terminal 9 are positioned.In the present embodiment, since the quantity of terminal 9 and lead 7 is 3, setting 3 a pair of of guide portions 333.A pair of of guide portion 333 is arranged each 1 in each terminal mounting portion 331.

Specifically, a pair of of guide portion 333 has mutually opposed a pair of of opposed faces.A pair of of opposed faces are preferably mutually flat Row.It is configured between a pair of of opposed faces thereby, it is possible to position lead 7 or terminal 9.In the example shown in Fig. 8, guide portion 333 contact with lead maintaining part 92, pass through a pair of of 333 positioning terminal 9 of guide portion.But it is also possible to pass through a pair of of guide portion 333 Positioning guidewire 7.According to the present embodiment, at least one of lead 7 and terminal 9 can be made to configure along a pair of of guide portion 333, So as to improve the workability of connecting lead wire 7.

For example, as shown in Figure 6 and Figure 8, wiring portion 33 has wall portion 334.Wall portion 334 is set as the number with terminal 9 It measures identical.In the present embodiment, the quantity of wall portion 334 is 3.Wall portion 334 is from the upper surface of wiring portion 33 to upside Extend.Specifically, wall portion 334 from the mounting of the mounting terminal 9 of terminal mounting portion 331 face upward side extend.Wall portion 334 Be located at wall portion 334 radial outside terminal 9 outer peripheral surface it is a part of opposed.In the present embodiment, wall portion 334 In with the consistent arc-shaped of the shape of terminal body 91.Wall portion 334 is in the arc-shaped on the basis of the center of recess portion 330. Wall portion 334 can be contacted with terminal 9, can not also be contacted.By the way that wall portion 334 is arranged, terminal 9 is made to be configured at wiring portion When 33, the position of terminal 9 can be easily determined by.

For example, as shown in Figure 6 and Figure 8, wiring portion 33 has protrusion 335.Protrusion 335 is set as the number with terminal 9 It measures identical.In the present embodiment, the quantity of protrusion 335 is 3.Protrusion 335 is prominent from wall portion 334 towards radial outside Out.Protrusion 335 be set to the wall portion 334 of the arc-shaped on the basis of the center of recess portion 330 circumferential whole region or A part.In the present embodiment, protrusion 335 is set to circumferential a part on the basis of the center of recess portion 330.Separately Outside, protrusion 335 is set to a part of the up and down direction of wall portion 334.Specifically, protrusion 335 is set to wall portion 334 upper end.Protrusion 335 can for example be configured to rectangular plate-like, but the shape of protrusion 335 is also possible to semicircular plate The various shapes such as shape.

In the terminal 9 for being configured at wiring portion 33, the upper surface of terminal 9 is opposed with the lower surface of protrusion 335.Terminal 9 It can contact, can not also contact with protrusion 335.It is able to suppress terminal 9 by protrusion 335 to tilt, so as to improve The workability of the connection operation of lead 7.

Maintaining part 34 is in the end of the radial outside of wiring portion 33 or in the position for leaning on radial outside than wiring portion 33, position In the position more upper than wiring portion 33.For example, as shown in Figure 5 and Figure 6, in the present embodiment, maintaining part 34 is than wiring The position of radial outside is leaned in portion 33, positioned at the position more upper than wiring portion 33.When from sagittal plane, lead 7 is located at Between the upper surface of wiring portion 33 and the lower surface of maintaining part 34.Thereby, it is possible to will be from external power supply to cloth using maintaining part 34 The a plurality of leads 7 that line portion 33 extends concentrates near wiring portion 33.

In the present embodiment, maintaining part 34 is prolonged from the maintaining part wall 336 for the circumferential one end for being set to wiring portion 33 It stretches.Maintaining part wall 336 is from the upper surface of wiring portion 33 towards upwardly projecting.But maintaining part wall 336 is not limited to setting and is being routed In portion 33, also it can be set on main part 30.Maintaining part 34 is prolonged from the radially outer end of maintaining part wall 336 to circumferential side It stretches.In the present embodiment, maintaining part 34 is in curved rodlike.But the shape of maintaining part 34 is for example also possible to prolong straight The other shapes such as rodlike stretched.

Maintaining part 34 is preferably to have the extension 341 extended to downside in circumferential front end.Thereby, it is possible to inhibit more Bar lead 7 extends in the circumferential.

Various technical characteristics disclosed in the present specification can be applied in the range of not departing from the purport of its technological innovation Add various changes.In addition, multiple embodiments and variation shown in the present specification can carry out within the bounds of possibility It combines and implements.

The present invention can be applied to possessed motor in such as in household electrical appliance, OA equipment, mobile unit.

Claims (13)

1. a kind of motor, includes

Rotor, the above lower central axis extended pivot about；

Stator, it is opposed radially with the rotor and configure；And

Insulating element is configured at the upside of the stator,

The stator includes

Stator core has the multiple teeth circumferentially arranged；

Multiple coils, they are by constituting Wire-wound in each tooth of multiple teeth；And

Coil line is pulled out from the coil,

The motor is characterized in that,

The insulating element includes

Main part covers at least part on the top of the stator；

Pulling unit has from the upper surface of the main part towards upside part outstanding；And

Through hole penetrates through the pulling unit,

The pin extended from the upper surface of the insulating element towards upside is configured on the insulating element,

For a part of the coil line by the through hole, front end is wound in the pin.

2. motor according to claim 1, which is characterized in that

The pins position is in the position for leaning on radial outside than the through hole.

3. motor according to claim 2, which is characterized in that

The through hole penetrates through the pulling unit along the vertical direction,

The pulling unit has the inner wall for constituting the through hole,

The inner wall radially inner side have with towards upside and to far from the central axis the inclined inclined surface in direction.

4. motor according to claim 3, which is characterized in that

The circumferential width of the radial outside of the through hole is smaller than the circumferential width of radially inner side.

5. motor according to claim 1, which is characterized in that

The through hole penetrates through the pulling unit along the vertical direction,

The pulling unit has the inner wall for constituting the through hole,

The inner wall has with the inclined surface that makes the through hole narrow towards upside.

6. according to motor described in any one in claim 3 to 5, which is characterized in that

The inner wall is opposed side has the flexure plane towards inclination surface side protrusion radially with the inclined surface.

7. according to motor described in any one in claim 3 to 6, which is characterized in that

The pulling unit has the opening portion being connected with the through hole, which passes through for a part of the coil line,

The opening portion is opposed radially in the position more upper than the upper surface of the main part and the inclined surface.

8. according to claim 1 to motor described in any one in 7, which is characterized in that

The insulating element also has from the main part to radial outside wiring portion outstanding,

The pin and terminal are configured in the upside of the wiring portion, and the one end of the terminal and lead connect and described in having and supplying Sell the via hole passed through, wherein external power supply is electrically connected by the lead with the coil line.

9. motor according to claim 8, which is characterized in that

The wiring portion is located at the radial outside of the pulling unit.

10. motor according to claim 8 or claim 9, which is characterized in that

The wiring portion at least has a pair of of a guide portion, and a pair of guide portion is prominent from upper surface and to the lead or institute Terminal is stated to be positioned.

11. according to motor described in any one in claim 8 to 10, which is characterized in that

The insulating element also has maintaining part, and the maintaining part is in the end of the radial outside of the wiring portion or than described Wiring portion leans on the position of radial outside, positioned at the position more upper than the wiring portion,

When from sagittal plane, the lead be located at the wiring portion upper surface and the maintaining part lower surface it Between.

12. according to motor described in any one in claim 8 to 11, which is characterized in that

The wiring portion has the wall portion extended from upper surface to upside,

The wall portion is a part of opposed with the outer peripheral surface of the terminal for the radial outside for being located at the wall portion.

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

The wiring portion has from the wall portion towards radial outside protrusion outstanding,

The upper surface of the terminal is opposed with the lower surface of the protrusion.