CN203504343U - Motor - Google Patents
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- CN203504343U CN203504343U CN201320633868.6U CN201320633868U CN203504343U CN 203504343 U CN203504343 U CN 203504343U CN 201320633868 U CN201320633868 U CN 201320633868U CN 203504343 U CN203504343 U CN 203504343U
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Abstract
The utility model discloses a motor, which can prevent the pull winding part of coil wire from being cut when a shell part covers a coil skeleton wound with the coil wire and the pull winding part of the coil wire is contacted with the shell part. In the motor (1), pull winding parts (202,203) of the coil wire (20) extend along the surface (251) at the side of the main body (23) of a terminal station (25) at the side of the first edge part (21) of the coil skeleton (2); and in the pull winding parts, the outer side parts closer to the outer side than the overlapping area with a second edge part (22) along the motor axis direction is arranged oppositely to a barrel part (46) along the motor axis direction. The outer side area, closer to the outer side than the overlapping area with the second edge part along the motor axis direction, in the surface at the main body side of the terminal station becomes a low area (254) which comprises the radial outer region of the winding area (250) of the coil wire and is entirely located at the place closer to the opposite side to the main body part than the inner surface (210) of the first edge part in the motor axis direction.
Description
Technical field
The utility model relates to the motor that a kind of radial outside of coil rack is covered by housing parts.
Background technology
In the motors such as stepper motor, stator has the structure that the radial outside of the coil rack that is wound with winding wire is covered by housing parts.Coil rack has along portion in the both sides of body cylindraceous, and at body winding line astragal.And, the end of winding wire along be formed on along the terminal board of the radial outside of portion, between the terminal of terminal board and body, draw around.In order to prevent winding wire broken string, about the terminal board of described coil rack, various structures have been proposed.
For example, in order to avoid the cross section between winding wire that situation about breaking occurs, a kind of structure (referring to Patent Document 1) of drawing around side's winding wire is proposed when drawing coiling astragal in being formed at the groove of terminal board.And, propose a kind of by terminal board, make terminal near ratio low along the inner surface of portion, prevent the winding wire floating at the base portion place of terminal, and the structure (referring to Patent Document 2) of winding wire broken string can not occur when substrate is connected in to terminal.And propose a kind ofly in terminal board, in the region of low single order, to draw coiling astragal and in the structure (referring to Patent Document 3) around the vibration-proof rubber that partly overlaps of drawing of winding wire.
Patent documentation 1: TOHKEMY 2002-112489 communique
Patent documentation 2: TOHKEMY 2011-72089 communique
Patent documentation 3: Japan opens clear 58-139856 communique in fact
But, in the arbitrary structures in patent documentation 1 to 3, all reckon without the problem of winding wire broken string when housing parts is covered in to coil rack.Therefore, when housing parts is covered in to coil rack, between terminal and the body of coil rack, draw around drawing around part of winding wire by the end of housing parts, pressed, therefore there is the problem of winding wire broken string.In the end at housing parts be formed with otch with the overlapping position of terminal board time also can there is described problem.That is,, when housing parts is covered in to coil rack, if make housing parts along rotating in a circumferential direction to adjust position, the part that is not formed with otch in housing parts contacts with drawing around part of winding wire, thereby winding wire is cut off.
Utility model content
In view of above problem, problem of the present utility model is to provide a kind of when housing parts is covered in to the coil rack that is wound with winding wire, can prevent that drawing around part of winding wire from contacting and cut motor with housing parts.
In order to solve above-mentioned problem, motor in the utility model has coil rack, winding wire, and housing parts, described coil rack has body, a side end hole enlargement of the motor axis direction of this body first along portion, the end side hole enlargement of the motor axis direction of described body second along portion, and the terminal board that keeps terminal at the described first radial outside along portion, described winding wire has the coiler part that is wound in described body, and along the face of the described body side of described terminal board between described terminal and described body, draw around draw around part, described housing parts has the cylinder portion of the radial outside that covers described body, wherein, ratio in the face of the described body side of described terminal board and described second along portion in the exterior lateral area in the outer part of the overlapping region of motor axis direction, draw around region integral body and be located at the first position by the opposition side of described body towards the described second inner surface along portion's side along portion described in motor axis direction ratio at the overlapping winding wire of motor axis direction with drawing around part of described winding wire.
In the utility model, described " along the face of the body side of terminal board between terminal and body, draw around draw around part " refer to draw around part with the face of the body side with terminal board the overlapping mode of motor axis direction drawn around, comprise and draw the form contacting with the face of the body side of terminal board around part and draw two kinds of the forms of floating from the face of the body side of terminal board around the whole or part of part.
In the utility model, when winding wire is wound in to the body of coil rack, the face of the end of winding wire body side along portion's side along terminal board first between body and terminal, draw around.And, when housing parts being covered in to the coil rack of the winding wire of having reeled, from coil rack second along portion's side covering shell parts.At this, ratio in the face of the body side of terminal board and second along portion in the exterior lateral area in the outer part of the overlapping region of motor axis direction, owing to drawing around region integral body and being located at motor axis direction ratio first along the position by the opposition side of body towards the second inner surface along portion's side of portion at the overlapping winding wire of motor axis direction with drawing around part of winding wire, therefore when housing parts is covered in to coil rack, drawing around part of winding wire do not contact completely with housing parts, even or contact can powerful not contact yet.Therefore, can avoid the situation that winding wire cuts off when housing parts is covered in to coil rack.
In the utility model, preferably described, draw in part, drawing around the drawing around part of end side of part and described winding wire of one side end of described winding wire intersects, and described in draw around cross section be partly positioned at described second along portion in the overlapping region of motor axis direction.So long as situation about contact with housing parts just can not occur along portion with second in the overlapping region of motor axis direction, so can prevent reliably the cut-out of the winding wire of cross part office.
In the utility model, preferably in described coil rack, at the described first radial outside along portion, in the overlapping position of motor axis direction, be formed with receiving portion with described cylinder portion, this receiving portion is located at winding wire described in motor axis direction ratio and draws around region by the position of described body side.According to described structure, when housing parts is covered in to coil rack, due to what contact with housing parts, be receiving portion, therefore can prevent the contacting between part of drawing of housing parts and winding wire.
In the utility model, preferred described receiving portion forms with described first along the continuous plane of the described inner surface of portion.
In the utility model, preferred described receiving portion is formed on along circumferentially clamping the both sides of described terminal board.According to described structure, can prevent reliably the contacting between part of drawing of housing parts and winding wire.
In the utility model, preferred described receiving portion is set to from extending in the overlapping position of motor axis direction with described cylinder portion at the described first radial outside along portion the position of leaning on radial outside than described cylinder portion.According to described structure, when housing parts is covered in to coil rack, the easily contraposition for housing parts by receiving portion.
In the utility model, the ratio in the face of the described body side of preferred described terminal board and described second becomes and comprises that described winding wire draws around the radial outside region in region integral body and be located at described in motor axis direction ratio the first described inner surface along portion by the lower region of the position of the opposition side of described body in the overlapping region of motor axis direction exterior lateral area in the outer part along portion.
In the utility model, preferred described exterior lateral area and the described lower region step part by linearly extension every.And in the utility model, preferred described lower region is than the low amount corresponding to the size larger than the wire diameter of described winding wire of described inner surface.
In the utility model, also can adopt described winding wire to draw becomes the structure to the groove shape recess of the opposition side depression of described body in motor axis direction around region.
In the utility model, preferred described groove shape recess draws around part extension described in edge, and this draws around being partly positioned at this groove shape recess.
In the utility model, the face of the described body side of preferred described terminal is positioned at described winding wire and draws the position identical around region in motor axis direction.
In the utility model, the face of the described body side of preferred described terminal is positioned at than described winding wire and draws the position of leaning on the opposition side of described body around region in motor axis direction.
In the utility model, preferred described terminal is further pin-shaped outstanding resin portion to radial outside by the end face of the radial outside from described terminal board and divides and form, and is integrally formed with this terminal board.Now, the part of the base section that is equivalent to described terminal of preferred described terminal board becomes heavy wall, and by this thick wall part, being formed with along the outstanding protuberance of motor axis direction along the contrary side of a side at portion place with described second of described terminal board.
In the utility model, when winding wire is wound in to the body of coil rack, the face of the end of winding wire body side along portion's side along terminal board first between body and terminal, draw around.And, when housing parts being covered in to the coil rack of the winding wire of having reeled, from coil rack second along portion's side covering shell parts.At this, ratio in the face of the body side of terminal board and second along portion in the exterior lateral area in the outer part of the overlapping region of motor axis direction, draw around region integral body and be located at motor axis direction ratio first along the position by the opposition side of body towards the second inner surface along portion's side of portion at the overlapping winding wire of motor axis direction with drawing around part of winding wire, therefore when housing parts is covered in to coil rack, drawing around part of winding wire do not contact completely with housing parts, even or contact can powerful not contact yet.Therefore, can avoid the situation that winding wire cuts off when housing parts is covered in to coil rack.
Accompanying drawing explanation
Fig. 1 is the key diagram of applicable motor of the present utility model.
Fig. 2 is the key diagram of the stator of the related motor of execution mode 1 of the present utility model.
Fig. 3 is the key diagram of the external stator core of the related motor of execution mode 1 of the present utility model.
Fig. 4 is the key diagram of the coil rack of the related motor of execution mode 1 of the present utility model.
Fig. 5 is at the reeled key diagram of state of winding wire of the coil rack of the related motor of execution mode 1 of the present utility model.
Fig. 6 is the vertical view of the coil rack of the related motor of the execution mode of the present utility model 2 observed from second along portion's side.
Fig. 7 is the cutaway view of the coil rack of the related motor of execution mode 3 of the present utility model.
(label declaration)
1 motor;
2 coil racks;
4 external stator cores;
5 rotors;
20 winding wires;
21 first along portion;
22 second along portion;
23 bodies;
25 terminal boards;
27,28 receiving portions;
40 stators;
The cylinder portion of 46 external stator cores;
91 terminals;
202,203 winding wires draws around part;
208 cross sections;
250 winding wires draw around region;
The face of the body side of 251 terminal boards;
254 lower regions;
259 groove shape recesses;
The face of the body side of 914 terminals
Embodiment
With reference to accompanying drawing, an example of applicable motor of the present utility model is described.In addition, in the following description, in motor axis direction L, the rotating shaft 50 of take is outlet side L1 from stator 40 outstanding sides, take and as exporting opposition side L2, describes from the contrary side of the outstanding side of stator 40 with rotating shaft 50.
Execution mode one
Overall structure
Fig. 1 is the half sectional view of the related motor of execution mode 1 of the present utility model.Motor 1 shown in Fig. 1 be in the optical disc apparatus such as DVD and Blu-ray Disc for the stepper motor of bare headed driving etc., and there is stator 40 cylindraceous.In stator 40, have A mutually use stator pack and B mutually the stator pack of use in the stacked structure of motor axis direction L.Therefore, in stator 40, be wound with coil rack 2(First Line ring framework 2A and the second coil rack 2B of two ring-types of winding wire 20) in motor axis direction L overlay configuration, and on described coil rack 2, distinguish overlay configuration inner-stator iron core 3 and external stator core 4.More particularly, in First Line ring framework 2A, the external stator core 4A that is U-shaped in inner-stator iron core 3A and the cross section of the both sides of motor axis direction L overlay configuration ring-type, and in the second coil rack 2B, the external stator core 4B that is U-shaped in inner-stator iron core 3B and the cross section of the both sides of motor axis direction L overlay configuration ring-type.In the inner peripheral surface of First Line ring framework 2A and the second coil rack 2B, be a plurality of utmost point teeth 31,41 structures along circumferential array of inner-stator iron core 3A, 3B and external stator core 4A, 4B.Thus, form the stator cylindraceous 40 with rotor configuration hole 30, and the coaxial shape of radially inner side of stator 40 configure rotor 5.In the present embodiment, as described later, external stator core 4A, 4B extend to respectively the radial outside of First Line ring framework 2A and the second coil rack 2B, thereby form motor shell 10.
Coil rack 2(First Line ring framework 2A and the second coil rack 2B) be formed from a resin, as described later, keep terminal 91(terminal 91A, 91B) terminal board 25(25A, 25B) be integrally formed in coil rack 2.Terminal 91(terminal 91A, 91B) outstanding from motor shell 10 to radial outside, and be connected with the distribution material (not shown) such as flexible wiring substrate.
In rotor 5, rotating shaft 50 extends along motor axis direction L, and permanent magnet cylindraceous 59 is fixed in the position by output opposition side L2 of rotating shaft 50 by binding agent 56.Inner side in rotor configuration hole 30, the outer peripheral face 590 of permanent magnet 59 is opposed across predetermined space at the utmost point tooth 31,41 of radially inner side and stator 40.Rotating shaft 50 is formed by metal materials such as stainless steel, brass, aluminium, and the outer peripheral face 57 from the outstanding side (outlet side L1) of stator 40 in the outer peripheral face 57 of rotating shaft 50 is formed with helicla flute 58, and this helicla flute 58 engages with the tooth bar that is formed on shaven head (not shown) side.In rotating shaft 50, the diameter of part that is formed with helicla flute 58 is larger than the diameter of part that is connected with permanent magnet 59.
The structure of plate 65
With respect to stator 40, at outlet side L1, plate 65 is set.Plate 65 has the end face of outlet side L1 of end face 48(motor shell 10 that is fixed on the outlet side L1 of stator 40 by methods such as welding) fixedly board 651, and supporting rotating shaft 50 opposed at outlet side L1 with fixing board 651 outlet side L1 end 51 supporting board 652 and along motor axis direction L, extend and by the connection board 653 that fixedly board 651 is connected with supporting board 652.At fixing board 651, be formed with the hole 650 that rotating shaft 50 is connected.
Bearing arrangement
In plate 65, at supporting board 652, form and have at motor axis direction L and the Bearning mechanism 6 that is radially the outlet side L1 that can rotate by 51 supportings of the end of the outlet side L1 of rotating shaft 50.In described Bearning mechanism 6, the parts of bearings 60 of outlet side L1 is fixed on the supporting board 652 of plate 65, and the end 51 of the outlet side L1 of rotating shaft 50 embeds the end face of the output opposition side L2 being supported at parts of bearings 60 towards the inner side of the recess 61 of outlet side L1 depression.Parts of bearings 60 has at the large-diameter portion 64 being formed through under the state in the hole 656 of the supporting board 652 of plate 65 with the face butt of the output opposition side L2 of supporting board 652, and the movement to outlet side L1 by large-diameter portion 64 restriction parts of bearings 60.In rotating shaft 50, the diameter of the end 51 of outlet side L1 is less than the diameter of part that is formed with helicla flute 58, and the end 51 of outlet side L1 is processed into hemispherical.
In the end 52 of the output opposition side L2 of rotating shaft 50, form and have at motor axis direction L and the Bearning mechanism 7 that is radially the output opposition side L2 that can rotate by 52 supportings of the end of the output opposition side L2 of rotating shaft 50.In the present embodiment, end face at the output opposition side L2 of permanent magnet 59 is formed with the recess 595 towards outlet side L1 depression, Bearning mechanism 7 will be from permanent magnet 59 in the inner side of recess 595 towards 52 supportings of the end of output opposition side L2 output opposition side L2 outstanding, rotating shaft 50 for rotating.In rotating shaft 50, the diameter of the end 52 of output opposition side L2 is slightly less than the diameter of part that is connected with permanent magnet 59, and the end 52 of exporting opposition side L2 is processed to hemispherical.
In the Bearning mechanism 7 of output opposition side L2, the discoid parts of bearings 70 of surrounding's configuration in the end 52 of the output opposition side L2 of rotating shaft 50, the end 52 of rotating shaft 50 be embedded in parts of bearings 70 cylindrical portion 71 inner side and be supported to and can rotate.Force application part 80 with respect to parts of bearings 70 in output opposition side L2 configuration leaf-spring-like, parts of bearings 70 remains between force application part 80 and stator 40, and passes through 80 pairs of rotating shafts 50 of force application part to the outlet side L1 application of force.
More particularly, force application part 80 has by welding and waits the end plate portion 81 of end face 49 of the output opposition side L2 that is fixed on stator 40 and the plate spring part 85 being formed by otch bent plate at the middle body of end plate portion 81, end plate portion 81 and stator 40 between keep parts of bearings 70 end, plate spring part 85 towards outlet side L1 to rotating shaft 50 application of forces.At this, the Bearning mechanism 6 that is formed in motor axis direction L and radially the end of the outlet side L1 of rotating shaft 50 51 is supported to the outlet side L1 for rotating at the outlet side L1 of rotating shaft 50.Therefore,, because rotating shaft 50 is in being biased into the end 51 of outlet side L1 and the state of Bearning mechanism 6 butts of making, therefore, when rotating shaft 50 rotation, can prevent rotating shaft 50 becoming flexible at motor axis direction L.
The detailed structure of stator 40
Below, on the basis of Fig. 1 referring to figs. 2 to Fig. 5 to motor shell 10(external stator core 4) and coil rack 2 between position relationship etc. describe.In addition, in the stator 40 of the motor 1 of present embodiment, A mutually use stator pack and B mutually the stator pack of use be identical structure, and form so that motor axis direction L is symmetrical.Therefore, in the following description, to A mutually with and B mutually with not carrying out additional symbols.
Fig. 2 is the key diagram of the stator 40 of the related motor of the utility model execution mode 11, and Fig. 2 (a), Fig. 2 (b) are stereogram and the exploded perspective views that amplifies the phase that stator 40 is shown.Fig. 3 is the key diagram of the external stator core 4 of the related motor 1 of execution mode 1 of the present utility model, Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) be from the outstanding unilateral observation of utmost point tooth 41 to external stator core 4 vertical view, end view and along P-O-P ' line, cut off cross section end view drawing.In addition, because inner-stator iron core 3 does not form motor shell 10, therefore in Fig. 2, omit diagram.
In Fig. 1, Fig. 2 and Fig. 3, in the motor 1 of present embodiment, external stator core 4 forms as forming the housing parts of motor shell 10, therefore has U-shaped cross section.More particularly, thus external stator core 4 has annulus portion 45, a plurality of utmost point teeth 41 that formed by otch bent plate along motor axis direction L from the inner peripheral of annulus portion 45 and from the outer peripheral edges of annulus portion 45 along motor axis direction L, extends in radial outside and the opposed cylinder cylindraceous of utmost point tooth 41 portion 46.Described external stator core 4 and coil rack 2 overlay configuration that are wound with winding wire 20, consequently, be coil rack 2 and be configured in the state between utmost point tooth 41 and cylinder portion 46.At this, the inner peripheral in annulus portion 45, becomes towards radial outside and is cut the recess 451 forming along the part of circumferentially adjacent utmost point tooth 41 clampings, and described recess 451 is for the location of the parts of bearings 70 with reference to Fig. 1 explanation.And, in the part of recess 451, be formed with further and be the circular-arc otch 452 forming that cuts to radial outside, when location external stator core 4 and parts of bearings 70, at described otch 452, insert alignment pins (instrument/not shown).
At the end edge of cylinder portion 46, be formed with in relative position and cut along motor axis direction L two otch 461,468 that form, when combination external stator core 4 and coil rack 2, external stator core 4 and coil rack 2 are aligned in the overlapping mode of motor axis direction L with the terminal board 25 of coil rack 2 with the large otch 461 of the circumferential size in otch 461,468.
In the present embodiment, the both ends of otch 461 form the shallow grooving 462 of semicircle shape, and are being formed with than the stage portion 463 of the bottom shallow single order of otch 461 along circumferentially adjacent position with grooving 462.And as shown in Figure 1, enter the two ends of described otch 461 from the outer peripheral edges of inner-stator iron core 3 to the outstanding protuberance 36 of radial outside, stage portion 463 is from protuberance 36 butts of motor axis direction L and inner-stator iron core 3, thereby carry out the location of inner-stator iron core 3.
And as shown in Figure 1, from the outer peripheral edges of inner-stator iron core 3, to the outstanding protuberance 35 of radial outside, enter the otch 468 that circumferential size is little, and the bottom of otch 468 is from protuberance 35 butts of motor axis direction L and inner-stator iron core 3, thereby carry out the location of inner-stator iron core 3.In addition, the both ends of otch 468 are formed with the grooving 469 that is semicircle shape and is further profoundly gone.
The detailed structure of coil rack 2
Fig. 4 is the key diagram of the coil rack 2 of the related motor 1 of execution mode 1 of the present utility model, and Fig. 4 (a), Fig. 4 (b), Fig. 4 (c), Fig. 4 (d), Fig. 4 (e) are from vertical view, upward view, end view, the cutaway view of the second coil rack of observing along portion's side 2 and the end view that amplified terminal board 25.Fig. 5 is wound with the key diagram of the state of winding wire 20 at the coil rack 2 of the related motor 1 of execution mode 1 of the present utility model, Fig. 5 (a), Fig. 5 (b), Fig. 5 (c), Fig. 5 (d) are from vertical view, upward view, the cutaway view of the second coil rack of observing along portion's side 2 and the end view that amplified terminal board 25.In addition, in Fig. 4 (a) and Fig. 5 (a), by second, along portion's partial cut-out, illustrate.
In Fig. 1, Fig. 2, Fig. 4 and Fig. 5, in the motor 1 of present embodiment, coil rack 2 have body 23 cylindraceous, a side end hole enlargement of the motor axis direction L of body 23 circular first along portion 21, the end side hole enlargement of the motor axis direction L of body 23 circular second along portion 22 and the terminal board 25 that keeps terminal 91 at the first radial outside along portion 21.First is and except being formed with the part of terminal board 25, has with second circular along the identical overall dimension of portion 22 along portion 21, and with second overlapping at motor axis direction L along portion 22.The first gauge along portion 21 is larger along the gauge of portion 22 than second, and by the terminal board 25 from the described first outer peripheral edges along portion 21 to the outstanding part constituent ratio first of radial outside along the wall thickness of portion 21.Terminal board 25 to the first is along the wall thickness of portion 21, but outstanding to the first inner side towards the second inner surface 210 along portion's 22 sides along portion 21 (second along portion's 22 sides).
In the present embodiment, terminal board 25 is rectangular shape while observing from motor axis direction L, and terminal 91 is formed on than position in the inner part, the circumferential two ends of terminal board 25.In terminal board 25, be positioned at than terminal 91 and lean on the part of week position laterally to become the conical surface 255 towards body 23 inclinations from end face 256.Therefore, the lateral surface 911 of terminal 91 is in being exposed near near the state of (first along the portion 21) of body 23.
At the radial outside of the body 23 of described coil rack 2, first along portion 21 and second along winding line astragal 20 between portion 22, the both ends of described winding wire 20 between body 23 and terminal 91 along the face 251 of body 23 sides of terminal board 25 drawn around.Therefore, winding wire 20 have be wound in the coiler part 201 of body 23, between body 23 and terminal 91 along the face 251 of body 23 sides of terminal board 25 by draw around two draw around part 202,203 and bundle around the bundle of terminal 91 around portion 204,205.Draw around part 202,203 and extend along cross one another direction, and in the overlapping position of motor axis direction L, have the cross section 208 drawing around part 202,203 at the face 251 of body 23 sides with terminal board 25.
At this, in terminal board 25, be positioned at than terminal 91 and lean on the part of week position laterally to become the conical surface 255 towards body 23 inclinations from end face 256, corresponding therewith, the lateral surface 911 of terminal 91 is in being exposed near near the state of (first along the portion 21) of body 23.Therefore, draw around part 202,203 all from from coiler part 201(body 23) position bundle close to is around in terminal 91, and cross section 208 is positioned at from coiler part 201(body 23) closer position.In the present embodiment, cross section 208 be arranged in first along portion 21 and terminal board 25 with second along portion 22 in the overlapping region of motor axis direction L.
And, in Fig. 2, in the face 251 of body 23 sides of terminal board 25, with dotted line D illustrate with second along portion 22 outer rim in the overlapping region of motor axis direction L, in the present embodiment, in the face 251 of body 23 sides of terminal board 25 with second along portion 22 in the exterior lateral area in the overlapping region of motor axis direction L, with winding wire 20 draw around part 202,203 the overlapping winding wire of motor axis direction L draw around region 250 integral body be located at motor axis direction L than the first inner surface 210 along portion 21 position by the opposition side of body 23.; in the face 251 of body 23 sides of terminal board 25 with second along portion 22 in the exterior lateral area in the overlapping region of motor axis direction L, around part 202,203, at the overlapping winding wire of motor axis direction L, draw around region 250 whole lower along the inner surface 210 of portion 21 than first with drawing of winding wire 20.
More particularly, the ratio in the face 251 of body 23 sides of terminal board 25 with second along portion 22 the overlapping region of motor axis direction L exterior lateral area in the outer part become comprise winding wire draw around region 250 radial outside region integral body be located at motor axis direction L than the first inner surface 210 along portion 21 the lower region 254 by the position of the opposition side of body 23.In the present embodiment, being positioned at the region of same position and lower region 254 stage portion 253 by linearly extension with the first inner surface 210 along portion 21 at motor axis direction L and being separated in the face 251 of body 23 sides of terminal board 25.And lower region 254 to the first is along the low amount corresponding to the size larger than the wire diameter of winding wire 20 of inner surface 210 of portion 21.
In the present embodiment, lower region 254 extends to terminal 91.Therefore, the face 914 of body 23 sides of terminal 91 is positioned at lower region 254(winding wire and draws around region 250 at motor axis direction L) identical position.
And, ratio stage portion in the face 251 of body 23 sides of terminal board 25 253 becomes receiving portion 27 at the first radial outside along portion 21 in the overlapping position of motor axis direction L in the cylinder portion 46 with external stator core 4 by the position of body 23 sides (first along portion's 21 sides), and this receiving portion 27 is located at motor axis direction L and draws around 250(lower region, region 254 than winding wire) lean on the position of body 23 sides.Described receiving portion 27 forms with first along the continuous plane of the inner surface 210 of portion 21.
And, in the present embodiment, first along in portion 21, in the side along circumferentially contrary with receiving portion 27 with respect to terminal board 25, form towards the outstanding protuberance 219 of radial outside, by described protuberance 219, in the cylinder portion 46 with external stator core 4, at the first radial outside along portion 21, in the overlapping position of motor axis direction L, form receiving portion 28, this receiving portion 28 is located at motor axis direction L and draws around 250(lower region, region 254 than winding wire) by the position of body 23 sides.Described receiving portion 28 also formation the same as receiving portion 27 with first along the continuous plane of the inner surface 210 of portion 21.
The main effect of present embodiment
When manufacturing the motor 1 of present embodiment, first external stator core 4 is covered in to the radial outside of coil rack 2 after winding wire 20 is wound in to coil rack 2.Now, external stator core 4 is capped along portion's 22 sides from second of coil rack 2, thereby the cylinder portion 46 at external stator core 4 is covered in first along the state of portion 21 from radial outside, the face 251 of body 23 sides of the end of the cylinder portion 46 of external stator core 4 and terminal board 25 is opposed at motor axis direction L.At this, coil rack 2 first along portion's 21 sides, drawing around part 202,203 of winding wire 20 extended in the mode of the face 251 of body 23 sides along terminal board 25.Described draw in part 202,203 be positioned at than with second along portion 22 in the part in region in the inner part, the overlapping region of motor axis direction L than cylinder portion 46 more in the inner part, therefore can not contact with cylinder portion 46.On the other hand, draw being positioned at than with second opposed at motor axis direction L with cylinder portion 46 in the part of the overlapping region of motor axis direction L exterior lateral area in the outer part along portion 22 in part 202,203.Yet in the present embodiment, the ratio in the face 251 of body 23 sides of terminal board 25 with second along portion 22 the overlapping region of motor axis direction L exterior lateral area in the outer part become comprise winding wire draw around region 250 radial outside region integral body be located at motor axis direction L than the first inner surface 210 along portion 21 the lower region 254 by the position of the opposition side of body 23.Therefore, when external stator core 4 is covered in to coil rack 2, drawing around part 202,203 of winding wire 20 do not contact with external stator core 4 completely, even or contact can powerful not contact yet.Therefore, can prevent the cut-out of winding wire 20.
And, in coil rack 2, in the cylinder portion 46 with external stator core 4, at the first radial outside along portion 21, in the overlapping position of motor axis direction L, be formed with receiving portion 27,28, this receiving portion 27,28 is located at motor axis direction L and draws 250 positions by body 23 sides around region than winding wire.And receiving portion 27,28 is formed on along the both sides of circumferential clamping terminal platform 25.Therefore, when external stator core 4 is covered in to coil rack 2, even if there is the situation that the end of the cylinder portion 46 of external stator core 4 contacts with receiving portion 27,28 in the situation that having carried out contraposition along circumferentially rotating external stator core 4, the end of the cylinder portion 46 of external stator core 4 does not contact with drawing around part 202,203 of winding wire 20 completely yet, even or contact can powerful not contact yet.Therefore, can prevent reliably the cut-out of winding wire 20.
And, draw cross section 208 around part 202,203 be positioned at second along portion 22 in the overlapping region of motor axis direction L, so cross section 208 does not contact with the cylinder portion 46 of external stator core 4.The winding wire 20 that therefore, can prevent reliably cross section 208 places cuts off.
Fig. 6 is the vertical view from the coil rack 2 of the related motor 1 of the second execution mode of the present utility model 2 of observing along portion's 22 sides.In addition, in Fig. 6, illustrate second along the state after portion's 22 partial cut-out.And the basic structure of present embodiment is due to identical with execution mode 1, therefore to the additional identical symbol of common part, also the description thereof will be omitted.
In present embodiment 1, in coil rack 2, in the face 251 of body 23 sides of terminal board 25, comprise that winding wire draws around region 250 radial outside region integral body to become lower region 254.On the other hand, in the present embodiment, as shown in Figure 6, in the face 251 of body 23 sides of terminal board 25 with second along portion 22 in the exterior lateral area in the overlapping region of motor axis direction L, at the overlapping winding wire of motor axis direction L, draw around region 250 to become the groove shape recess 259 extending around part 202,203 along drawing with drawing around part 202,203 of winding wire 20.Therefore, the region that indicates oblique line in Fig. 6 in the face 251 of body 23 sides of terminal board 25 becomes with first along the continuous plane of the inner surface 210 of portion 21.And, draw cross section 208 around part 202,203 be positioned at second along portion 22 in the overlapping region of motor axis direction L.
In the present embodiment, in the face 251 of body 23 sides of terminal board 25 with second along portion 22 exterior lateral area in the overlapping region of motor axis direction L, drawing around part 202,203 of winding wire 20 is positioned at groove shape recess 259.Therefore, identical with execution mode 1 in the present embodiment, when external stator core 4 is covered in to coil rack 2, drawing around part 202,203 of winding wire 20 do not contact completely with external stator core 4 yet, even or contact can powerful not contact yet.Therefore,, according to present embodiment, can reach the effects identical with execution mode 1 such as cut-out that prevent reliably winding wire 20.
Execution mode 3
Fig. 7 is the cutaway view of the coil rack 2 of the related motor 1 of execution mode 3 of the present utility model.Therefore in addition, the basic structure of present embodiment is identical with execution mode 1, to the additional identical symbol of common part and the description thereof will be omitted.
As shown in Figure 7, also identical with execution mode 1 in the present embodiment, in coil rack 2, the radial outside region integral body of the face 251 of body 23 sides of terminal board 25 becomes lower region 254.About described coil rack 2, in execution mode 1, terminal 91 is the resin with terminal board 25 one, but in the present embodiment, and terminal 91 remains on the terminal pins being made of metal on terminal board 25 for base section.Therefore, the face 914 of body 23 sides of terminal 91 is positioned at the position of drawing 250 opposition sides by body 23 around region than winding wire at motor axis direction L.
Other execution modes
In the above-described embodiment, the structure example of using as housing parts for external stator core 4, but also the utility model can be applicable to the motor 1 with the housing parts of external stator core 4 splits in the configuration of the outside of external stator core 4.
Claims (15)
1. a motor, comprising:
Coil rack, its have body, a side end hole enlargement of the motor axis direction of described body first along portion, the end side hole enlargement of the motor axis direction of described body second along portion and the terminal board that keeps terminal at the described first radial outside along portion;
Winding wire, its have be wound in described body coiler part and along the face of the described body side of described terminal board between described terminal and described body, draw around draw around part; And
Housing parts, it has the cylinder portion of the radial outside that covers described body,
It is characterized in that,
Ratio in the face of the described body side of described terminal board and described second along portion in the exterior lateral area in the outer part of the overlapping region of motor axis direction, draw around region integral body and be positioned at upper/lower positions at the overlapping winding wire of motor axis direction with drawing around part of described winding wire, this position described in motor axis direction ratio first along portion towards the described second inner surface along portion's side by a side contrary with described body.
2. motor according to claim 1, is characterized in that,
Described drawing in part, drawing around part and the drawing around part of end side of described winding wire of a side end of described winding wire intersects,
Described draw around part cross section be positioned at described second along portion in the overlapping region of motor axis direction.
3. motor according to claim 1, is characterized in that,
In described coil rack, at the described first radial outside along portion, in the overlapping position of motor axis direction, be formed with receiving portion with described cylinder portion, this receiving portion is located at winding wire described in motor axis direction ratio and draws around region by the position of described body side.
4. motor according to claim 3, is characterized in that,
Described receiving portion forms with described first along the continuous plane of the described inner surface of portion.
5. motor according to claim 3, is characterized in that,
Described receiving portion is formed on along circumferentially clamping the both sides of described terminal board.
6. motor according to claim 3, is characterized in that,
Described receiving portion is set to from extending in the overlapping position of motor axis direction with described cylinder portion at the described first radial outside along portion the position of leaning on radial outside than described cylinder portion.
7. motor according to claim 1, is characterized in that,
In the face of the described body side of described terminal board, than becoming lower region along portion in the overlapping region of motor axis direction exterior lateral area in the outer part with described second, in this lower region, comprise that described winding wire draws around the radial outside region in region integral body to be located at described in motor axis direction ratio the first described inner surface along portion by the position of a side contrary with described body.
8. motor according to claim 7, is characterized in that,
Described exterior lateral area and described lower region by the step part of linearly extension every.
9. motor according to claim 7, is characterized in that,
Described lower region is than the low amount corresponding to following size of described inner surface, and the amount of this size is the amount larger than the wire diameter of described winding wire.
10. motor according to claim 1, is characterized in that,
Described winding wire draws becomes the groove shape recess to a side depression contrary with described body in motor axis direction around region.
11. motors according to claim 10, is characterized in that,
Described groove shape recess extends along described drawing around part, and this draws around being partly positioned at described groove shape recess.
12. motors according to claim 1, is characterized in that,
The face of the described body side of described terminal is positioned at described winding wire and draws the position identical around region in motor axis direction.
13. motors according to claim 1, is characterized in that,
The face of the described body side of described terminal is positioned at than described winding wire and draws around region by the position of a side contrary with described body in motor axis direction.
14. motors according to claim 1, is characterized in that,
Described terminal is further pin-shaped outstanding resin to radial outside by the end face of the radial outside from described terminal board and partly forms, and is integrally formed with described terminal board.
15. motors according to claim 14, is characterized in that,
The part of the base section that is equivalent to described terminal of described terminal board becomes heavy wall,
By this thick wall part, being formed with along the outstanding protuberance of motor axis direction along the contrary side of a side at portion place with described second of described terminal board.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012237806A JP6188304B2 (en) | 2012-10-29 | 2012-10-29 | motor |
| JP2012-237806 | 2012-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504343U true CN203504343U (en) | 2014-03-26 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310479515.XA Expired - Fee Related CN103795178B (en) | 2012-10-29 | 2013-10-14 | Motor |
| CN201320633868.6U Expired - Fee Related CN203504343U (en) | 2012-10-29 | 2013-10-14 | Motor |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310479515.XA Expired - Fee Related CN103795178B (en) | 2012-10-29 | 2013-10-14 | Motor |
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| Country | Link |
|---|---|
| JP (1) | JP6188304B2 (en) |
| CN (2) | CN103795178B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795178A (en) * | 2012-10-29 | 2014-05-14 | 日本电产三协株式会社 | Motor |
| CN110034640A (en) * | 2018-01-12 | 2019-07-19 | 日本电产三协电子(东莞)有限公司 | The manufacturing method of motor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018096703A1 (en) * | 2016-11-23 | 2018-05-31 | 日本電産株式会社 | Motor and electric power steering device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58139856U (en) * | 1982-03-12 | 1983-09-20 | 松下電器産業株式会社 | Output wire connection structure of electrical equipment |
| JPH04244757A (en) * | 1991-01-31 | 1992-09-01 | Matsushita Electric Ind Co Ltd | Coil bobbin for small-sized motor |
| JPH0622488A (en) * | 1992-06-30 | 1994-01-28 | Sony Corp | Terminal device |
| JPH06315238A (en) * | 1993-03-05 | 1994-11-08 | Fuji Elelctrochem Co Ltd | Bobbin with terminal pin |
| JPH1012427A (en) * | 1996-06-25 | 1998-01-16 | Asmo Co Ltd | Coil terminal structure of coil bobbin |
| JP4265317B2 (en) * | 2003-07-14 | 2009-05-20 | パナソニック株式会社 | Stepping motor coil bobbin winding manufacturing method |
| JP4931449B2 (en) * | 2006-03-22 | 2012-05-16 | 日本電産サンキョー株式会社 | motor |
| JP2009077596A (en) * | 2007-09-22 | 2009-04-09 | Nidec Sankyo Corp | Motor and method for manufacturing motor |
| JP5566071B2 (en) * | 2009-09-24 | 2014-08-06 | 日本電産サンキョー株式会社 | Coil winding body and motor |
| JP2011078152A (en) * | 2009-09-29 | 2011-04-14 | Nidec Sankyo Corp | Motor and manufacturing method of the motor |
| JP6188304B2 (en) * | 2012-10-29 | 2017-08-30 | 日本電産サンキョー株式会社 | motor |
-
2012
- 2012-10-29 JP JP2012237806A patent/JP6188304B2/en not_active Expired - Fee Related
-
2013
- 2013-10-14 CN CN201310479515.XA patent/CN103795178B/en not_active Expired - Fee Related
- 2013-10-14 CN CN201320633868.6U patent/CN203504343U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795178A (en) * | 2012-10-29 | 2014-05-14 | 日本电产三协株式会社 | Motor |
| CN103795178B (en) * | 2012-10-29 | 2017-01-11 | 日本电产三协株式会社 | Motor |
| CN110034640A (en) * | 2018-01-12 | 2019-07-19 | 日本电产三协电子(东莞)有限公司 | The manufacturing method of motor |
| CN110034640B (en) * | 2018-01-12 | 2020-07-28 | 日本电产三协电子(东莞)有限公司 | Method for manufacturing motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103795178B (en) | 2017-01-11 |
| JP6188304B2 (en) | 2017-08-30 |
| CN103795178A (en) | 2014-05-14 |
| JP2014090531A (en) | 2014-05-15 |
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