CN106558939A - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN106558939A CN106558939A CN201610856929.3A CN201610856929A CN106558939A CN 106558939 A CN106558939 A CN 106558939A CN 201610856929 A CN201610856929 A CN 201610856929A CN 106558939 A CN106558939 A CN 106558939A
- Authority
- CN
- China
- Prior art keywords
- cartridge
- axis
- bearing portion
- axis direction
- axis hole
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/165—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
Abstract
A kind of motor, though the motor using be provided with for Pivot axle be embedded in axis hole resin made by cartridge come in the case of constituting Bearning mechanism, it is also possible to rotate with making rotor stability.In motor (1), by fixing axle (5) (Pivot axle) and be provided with for fixing axle (5) be embedded in axis hole (30) resin made by cartridge (3) constitute Bearning mechanism (6), rotor (2) is supported to rotate by Bearning mechanism (6).In the Bearning mechanism (6), a position in axis (L) direction of axis hole (30) becomes the bearing portion (305) when cartridge (3) is rotated against with fixing axle (5).Also, the misrun portion (38) formed by cavity is provided with cartridge (3) around bearing portion (305), so as to bearing portion (305) is difficult to be affected by contraction when molding cartridge (3).
Description
Technical field
The present invention relates to it is the motor that can rotate that a kind of rotor is fixed e axle supporting.
Background technology
In motor, in order to be to rotate by rotor bearing, and following this structure is adopted：Constituting retainer
The inner side of cartridge the bearing of tubular is set, so as to rotary shaft (Pivot axle), be supported to can be in the axis hole of bearing
Middle rotation (with reference to patent documentation 1).Also, also adopt following this structure：Rotor is supported to by segmentation bushing being capable of phase
For the fixing axle (Pivot axle) for being fixed on retainer rotates.
Patent documentation 1：Japanese Unexamined Patent Publication 9-285063 publication
As conventional motor, the structure that can be rotated is supported to by the part such as bearing or segmentation bushing in rotor
In, parts count increases and cost is improved.Therefore, while it is desirable that by by Pivot axles such as fixing axle or rotary shafts and setting
There is the Bearning mechanism that cartridge made by the resin of the axis hole being embedded in for Pivot axle is constituted by rotor bearing to revolve
Turn, but there are following this problem in this case：Make the impact of the contraction formed when molding cartridge etc.
Axis hole is deformed in the axial direction, so as to lose the stability of the rotation of rotor.
The content of the invention
In view of the above problems, problem of the invention is to provide a kind of motor, even if the motor is using being provided with for rotation
Made by the resin of the embedded axis hole of central shaft, cartridge is come in the case of constituting Bearning mechanism, it is also possible to make rotor stability ground
Rotation.
In order to solve above-mentioned problem, motor involved in the present invention is characterised by, including：Bearning mechanism, which has rotation
Turn central shaft and be provided with for the Pivot axle be embedded in axis hole resin made by cartridge；Rotor, which passes through institute
State Bearning mechanism to be supported to rotate, and keep Magnet；And stator, which is opposite with the Magnet, the axle of the axis hole
One position in line direction becomes the bearing portion when cartridge is rotated against with the Pivot axle.
In the present invention, due to being the Bearning mechanism that can rotate by Pivot axle by rotor bearing and being provided with for rotation
Turn cartridge made by the resin of the embedded axis hole of central shaft to constitute, therefore parts count is few.Therefore, it is possible to reduce motor
Cost.Also, bearing portion when cartridge is rotated against with Pivot axle is a position of the axis direction in axis hole.
Therefore, as long as the out of roundness at the position for becoming bearing portion in guaranteeing axis hole, even if in axis hole in addition to bearing portion
In the case that position is deformed, cartridge also stably can be rotated against with Pivot axle.Thereby, it is possible to stable
State rotates rotor.
In the present invention, following this mode can be adopted：The Pivot axle is to be fixed on consolidating for the retainer
Dead axle, in the rotor, the Magnet is kept by the cartridge.
In the present invention, it is preferred to the Magnet is maintained at the outer peripheral face of the cartridge, the stator is outside in footpath
Side and the Magnet are opposite, when observing from the direction orthogonal with the axis direction, the bearing portion with the Magnet with it is described
Stator is opposite to partly overlap.According to the structure, even if applying magnetic attraction etc. to rotor with the opposite part of stator in Magnet
In the case of, it is also possible to avoid the situations such as rotor tilt.
In the present invention, it is preferred to the cartridge is provided with the misrun formed by cavity in the radial outside of institute's bearing portion
Portion.According to the structure, as the impact of contraction during molding is difficult to feed through to bearing portion, therefore, it is possible to improve the proper circle of bearing portion
Degree.
In the present invention, following this mode can be adopted：The bearing portion is arranged at the axis of the axis hole
The end of the side in direction.
In the present invention, following this mode can be adopted：The misrun portion is by the axis from the cartridge
The recess of the ring-type that the end face of the side in direction is recessed to the opposite side of the axis direction is formed.Also, if in
The end of the side of axis hole arranges the structure of bearing portion, then can be by the end face from the side of cartridge to axis direction
The recess of opposite side depression constitutes misrun portion.Therefore, it is possible to simplify the structure of cartridge.
In the present invention, following this mode can be adopted：From the bottom in the misrun portion to the institute of the axis direction
The whole inner peripheral surface for stating the cylindrical portion of side protrusion becomes bearing portion.
In the present invention, following this mode can be adopted：The internal diameter of the axis hole from the axis direction described one
Lateral opposite side expands.According to the structure, Pivot axle is difficult in the portion in addition to the end (bearing portion) of side of axis hole
Position is contacted with the inner peripheral surface of axis hole.Therefore, even if being deformed at the position in addition to the end (bearing portion) of side of axis hole
In the case of, cartridge also stably can be rotated against with Pivot axle.Thereby, it is possible to revolve rotor with stable state
Turn.
In the present invention, it is preferred to the axis hole is formed as from described one lateral opposite side of the axis direction relative to institute
State the inclined taper surface of axis direction.
In the present invention, it is preferred to length of the bearing portion on the axis direction is the external diameter of the Pivot axle
More than 1.5 times.
In the present invention, it is preferred to length of the bearing portion on the axis direction is the external diameter of the Pivot axle
Three times below.
In the present invention, following this mode can be adopted：The axis hole is clipped in the end face of the cartridge
Both sides are formed with recess.According to the structure, it is possible to increase rotor weight balancing degree in the circumferential.
Invention effect
In the present invention, due to being the Bearning mechanism that can rotate by Pivot axle by rotor bearing and being provided with for rotation
Turn cartridge made by the resin of the embedded axis hole of central shaft to constitute, therefore parts count is few.Therefore, it is possible to reduce motor
Cost.Also, bearing portion when cartridge is rotated against with Pivot axle is a position of the axis direction in axis hole.
Therefore, as long as the out of roundness at the position for becoming bearing portion in guaranteeing axis hole, even if in axis hole in addition to bearing portion
In the case that position is deformed, cartridge also stably can be rotated against with Pivot axle.Thereby, it is possible to stable
State rotates rotor.
Description of the drawings
Fig. 1 is the explanatory diagram of the structure for schematically illustrating the motor for applying the present invention.
Fig. 2 (a), Fig. 2 (b), Fig. 2 (c), Fig. 2 (d) are to apply this from the first direction observation orthogonal with axis direction
The axonometric chart of the rotor of bright motor.
Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), Fig. 3 (d) are from orthogonal with axis direction and the two directions of first direction
Second direction observation applies the axonometric chart of the rotor of the motor of the present invention.
Fig. 4 (a), Fig. 4 (b) are the sectional view of the rotor of the motor for applying the present invention.
(description of reference numerals)
1 motor
2 rotors
3 cartridges
4 Magnet
5 fixing axles
6 Bearning mechanisms
7 stators
30 axis holes
38 misrun portions
39 recesses
91 retainers
92 outer housings
305 bearing portions
306 cylindrical portion
308 end faces
380 recesses
L axis
L1 sides
L2 opposite sides
Specific embodiment
Referring to the drawings, embodiments of the present invention are illustrated.In addition, in the following description, to Pivot axle
And the axis mark L of axis hole, the side mark L1 to axis L institutes bearing of trend (axis L directions), to the another of axis L directions
Side mark L2 is illustrated.Also, except being applied to Pivot axle, for fixing axle, cartridge is carried out the present invention
Outside the motor of the type of rotation, it is also possible to be applied to cartridge and fixed and the horse of type that Pivot axle is rotated
Reach.In the following description, illustrated centered on previous motor.
(schematic configuration of motor 1)
Fig. 1 is the explanatory diagram of the structure for schematically illustrating the motor 1 for applying the present invention.Motor 1 shown in Fig. 1 is by
One gear 81, the gear motor of the rotation of 83 output rotor 2 of second gear 82 and the 3rd gear, and retainer 91 with it is outer
Stator 7, first gear 81, second gear 82 and the 3rd gear 83 of rotor 2, tubular are configured between cover 92.Also, will turn
Son 2 supporting for can rotate fixing axle 5 (Pivot axle), by first gear 81 support for can rotate fulcrum 86, will
Second gear 82 supports the fulcrum 87 to rotate and the 3rd gear 83 is supported the two ends for the fulcrum 88 that can be rotated
It is kept frame 91 and outer housing 92 is fixed.In the present embodiment, clutch part 84 is supported by fixing axle 5, and clutch part 84 passes through
Move in the direction of the axisl, switch between the state and clutch part 84 and rotor 2 connected between clutch part 84 and rotor 2
The state that is released from of connection.
Stator 7 has the bobbin winder bracket 72 of the insulating properties of hold-in winding 71, overlaps in the axis L directions of bobbin winder bracket 72
The stator core 73,74 of both sides, the pole tooth 731 for being formed at stator core 73 and the pole tooth (not shown) for being formed at stator core 74
Inner peripheral surface along bobbin winder bracket 72 is alternately arranged in the circumferential.
(structure of rotor 2)
Fig. 2 (a), Fig. 2 (b), Fig. 2 (c), Fig. 2 (d) are to apply this from the first direction X observations orthogonal with axis L directions
The axonometric chart of the rotor 2 of the motor 1 of invention, Fig. 2 (a) is the axonometric chart that rotor 2 is observed from the opposite side L2 in axis L directions, Fig. 2
B () is the axonometric chart that rotor 2 is observed from the side L1 in axis L directions, Fig. 2 (c) is to turn from the opposite side L2 observations in axis L directions
The axonometric chart of the cartridge 3 of son 2, Fig. 2 (d) are the solid of the cartridge 3 of the side L1 observation rotors 2 from axis L directions
Figure.Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), Fig. 3 (d) are from orthogonal with axis L directions and the two directions of first direction X
Two direction Y observations apply the axonometric chart of the rotor 2 of the motor 1 of the present invention, and Fig. 3 (a) is to see from the opposite side L2 in axis L directions
The axonometric chart of rotor 2 is examined, Fig. 3 (b) is the axonometric chart that rotor 2 is observed from the side L1 in axis L directions, and Fig. 3 (c) is from axis L
The axonometric chart of the cartridge 3 of the opposite side L2 observation rotors 2 in direction, Fig. 3 (d) are to turn from the side L1 observations in axis L directions
The axonometric chart of the cartridge 3 of son 2.Fig. 4 (a), Fig. 4 (b) be apply the present invention motor 1 rotor 2 sectional view, Fig. 4
Sectional view when () is the cutting rotor 2 on the direction along axis L directions and second direction Y a, Fig. 4 (b) are along axis L
Sectional view on the direction of direction and first direction X during cutting rotor 2.
(a), Fig. 2 (b), Fig. 2 (c), Fig. 2 (d), Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), Fig. 3 (d) and Fig. 4 as shown in Figure 1, Figure 2
A, shown in (), Fig. 4 (b), rotor 2 has cartridge 3 and quilt made by the resin for being provided with the axis hole 30 being embedded in for fixing axle 5
The Magnet 4 of the outer peripheral face of cartridge 3 is maintained at, stator 7 is opposite with Magnet 4 in radial outside.In the present embodiment, tubular
Part 3 is formed by acetal resin etc..The rotor 2 of this structure for example can be manufactured by implementing insert moulding to Magnet 4.
Therefore, cartridge 3 is corresponding with the shape of Magnet 4 etc., and has following shape.
In the present embodiment, cartridge 3 is sequentially provided with the first big footpath from the side L1 in axis L directions to opposite side L2
The first central diameter portion 32, diameter less than the first large-diameter portion 31 of portion 31, the diameter minor diameter part 33 less than the first central diameter portion 32, diameter ratio
The second big central diameter portion 34 of minor diameter part 33 and diameter second large-diameter portion 35 bigger than the second central diameter portion 34.First large-diameter portion 31
Outer peripheral face is formed towards the inclined inclined planes of opposite side L2 in axis L directions, and the outer peripheral face of the second large-diameter portion 35 is formed as court
To the inclined inclined planes of side L1 in axis L directions.Also, cartridge 3 is relative to the second large-diameter portion 35 in axis L directions
Opposite side L2 with the main part 36 that convex portion 361,362 is highlighted from opposite position to radial outside, and relative to main part
The 36 opposite side L2 in axis L directions are formed with external tooth 26.And, at the end of the opposite side L2 in the axis L directions of cartridge 3
Multiple positions of the circumference in portion are formed with the engagement pawl 27 for engaging with clutch part 84.
Here, in the position shape for clipping axis hole 30 of the both sides of second direction Y of rotor 2 (cartridge 3 and Magnet 4)
Into have along axis L directions extend two holes 301,302.Therefore, hole 311,312 is formed with the first large-diameter portion 31, second
Central diameter portion 34 is formed with hole 341,342.Also, the outer peripheral face shape in the first central diameter portion 32, minor diameter part 33 and the second central diameter portion 34
Into the recess 331,332 for having the channel-shaped for extending in the way of along hole 301,302 in the direction of the axisl.But, in the shape of rotor 2
Under state, side L1 of the hole 301,302 in axis L directions is open as hole 311,312, and the recess 331,332 of channel-shaped and hole
341st, 342 are filled by Magnet 4.The hole 301,302 is the hole in magnetised magnets 4 for fixture insertion.
(structure of bearing portion 305)
In the motor 1 for constituting like this, Bearning mechanism 6 is constituted by fixing axle 5 and cartridge 3, rotor 2 is by bearing
The supporting of mechanism 6 is can to rotate around axis L.In the Bearning mechanism 6, fixing axle 5 is by the axis hole 30 of cartridge 3 to rotor
2 are supported.
Here, the external diameter of fixing axle 5 is constant on whole axis L directions, and section is round on whole axis L directions
Shape.On the other hand, the internal diameter and out of roundness in the direction of the axisl position of axis hole 30 has been ensured that high precision, and
This position becomes the bearing portion 305 when cartridge 3 is rotated against with fixing axle 5.Therefore, the axis L in axis hole 30
One position (bearing portion 305) in direction, there are between the outer peripheral face of the inner peripheral surface and fixing axle 5 of axis hole 30 equivalent to
Every narrow gap.On the other hand, at the position in addition to bearing portion 305 of axis hole 30, axis hole 30 inner peripheral surface with it is solid
The gap wider than bearing portion 305 is there are between the outer peripheral face of dead axle 5.
In the present embodiment, bearing portion 305 is arranged at the end of the side L1 in the axis L directions of axis hole 30.Also, axle
The inner peripheral surface in hole 30 is formed as taper surface, and the taper surface is with angle, θ relative to the line (periphery of fixing axle 5 parallel with axis L
Face) incline, so that the internal diameter of axis hole 30 is formed with the part of bearing portion 305 to opposite side L2 from the side L1 in axis L directions
Expand.Therefore, at the position in addition to bearing portion 305 of axis hole 30, between the outer peripheral face of the inner peripheral surface and fixing axle 5 of axis hole 30
Gap expand from the side L1 in axis L directions to opposite side L2.
In addition, the ora terminalis of the side L1 in the axis L directions of axis hole 30 is formed as taper surface 307, but, in the present invention
" being formed at the bearing portion 305 of the end of the side L1 in the axis L directions of axis hole 30 " is the part in addition to taper surface 307.
(structure of 38 grade of misrun portion)
In cartridge 3, the misrun portion 38 formed by cavity is provided with the radial outside of bearing portion 305.In this enforcement
In mode, the complete cycle in the way of surrounding bearing portion 305 in radial outside of misrun portion 38 is formed.In the present embodiment, due to axle
Bearing portion 305 is arranged at the end of the side L1 in the axis L directions of axis hole 30, therefore misrun portion 38 by the axis L from cartridge 3
The recess 380 of the ring-type that the end face 308 of the side L1 on direction is recessed to the opposite side L2 in axis L directions is formed.Therefore, in cylinder
In shape part 3, be formed with bearing portion 305 part side L1 from the bottom from misrun portion 38 (recess 380) to axis L directions
The whole inner peripheral surface of prominent cylindrical portion 306 becomes bearing portion 305.
In the present embodiment, the length dimension in the direction of the axisl of bearing portion 305 is set to be the outer of fixing axle 5
More than 1.5 times of footpath (internal diameter of bearing portion 305).Therefore, fixing axle 5 is supported to rotor 2 with stable state.Here,
If the length dimension in the direction of the axisl of bearing portion 305 less than the external diameter (internal diameter of bearing portion 305) of fixing axle 5 1.5
Times, it is likely that reduce the stability supported to rotor 2 by fixing axle 5.In addition, the length in the direction of the axisl of bearing portion 305
Degree size is longer preferably, but if bearing portion 305 is long, then easily produces the irregular of out of roundness and size in bearing portion 305.
Therefore, the length dimension of bearing portion 305 is less than 5 times of the external diameter (internal diameter of bearing portion 305) of fixing axle 5, preferably 3 times with
Under.
Also, when observing from the X-direction or Y-direction with axis L-orthogonal, bearing portion 305 is with the stator 7 and magnetic shown in Fig. 1
The opposite part 45 of ferrum 4 overlaps.
In the present invention, in order to improve the weight balancing degree in the circumferential of rotor 2, in the end face 308 of cartridge 3, in X
The both sides that axis hole 30 is clipped on direction are formed with recess 391,392.Also, in recess 380, for increase because formed hole 311,
312 and be changed into the convex portion 396,397 of the wall thickness of the part of thin-walled and project towards radially inner side from the inner circumferential of recess 380.But, by
Be not connected with cylindrical portion 306 in convex portion 396,397, therefore the cylindrical portion 306 of bearing portion 305 is constituted throughout the circumferential by misrun
Portion 38 (recess 380) surrounds.
(main efficacy results of present embodiment)
As described above, in the motor 1 of present embodiment, it is the Bearning mechanism 6 that can be rotated by solid that rotor 2 is supported
Dead axle 5 (Pivot axle) and be provided with for the embedded axis hole 30 of fixing axle 5 (Pivot axle) resin made by cylindrical portion
Part 3 is constituted.Therefore, because parts count is few, therefore, it is possible to reduce the cost of motor 1.Also, cartridge 3 and fixing axle 5
A position of the bearing portion 305 when (Pivot axle) is rotated against for the axis L directions in axis hole 30.Therefore, as long as really
The out of roundness at the position for becoming bearing portion 305 protected in axis hole 30, even if in the portion in addition to bearing portion 305 of axis hole 30
In the case that position is deformed, cartridge 3 also stably can be rotated against with fixing axle 5.Thereby, it is possible to stable state
Rotate rotor 2.
Also, when observing from the direction orthogonal with axis L directions, bearing portion 305 is with Magnet 4 and the opposite portion of stator 7
45 are divided to overlap, therefore, even if in the case where Magnet 4 applies magnetic attraction etc. to rotor 2 with the opposite part 45 of stator 7,
The situations such as the inclination of rotor 2 can be avoided.
Also, cartridge 3 is provided with the misrun portion 38 formed by cavity in the radial outside of bearing portion 305, therefore, molding
When the impact of contraction be difficult to feed through to bearing portion 305, therefore, it is possible to improve the out of roundness of bearing portion 305.Thus, even if in cylinder
Shape part 3 using there is in terms of the mechanical property such as sliding properties and wear resistance superiority but easily in molding when produce contraction
Acetal resin etc., it is also possible to rotate rotor 2 with stable state.
Also, bearing portion 305 is arranged at the end of the side L1 in the axis L directions of axis hole 30.Therefore, it is possible to by from cylinder
The end face 308 of the side L1 in the axis L directions of shape part 3 constitutes misrun to the recess 380 that the opposite side L2 in axis L directions is recessed
Portion 38.Therefore, it is possible to simplify the structure of cartridge 3.
Also, the internal diameter of axis hole 30 expands from the side L1 for being provided with bearing portion 305 to opposite side L2 in the direction of the axisl.
Therefore, fixing axle 5 is difficult the inner peripheral surface at the position in addition to the end (bearing portion 305) of side L1 of axis hole 30 with axis hole 30
Contact.Therefore, though in the case where the position in addition to the end (bearing portion 305) of side L1 of axis hole 30 is deformed,
Cartridge 3 also stably can be rotated against with fixing axle 5.Thereby, it is possible to rotate rotor 2 with stable state.
(other embodiment)
In the above-described embodiment, cartridge 3 is rotated for fixing axle 5 to apply the present invention to Pivot axle
Type motor 1 in, but can also apply the present invention to cartridge 3 and fixed and type that Pivot axle is rotated
Motor in.
Claims (12)
1. a kind of motor, it is characterised in that include：
Bearning mechanism, its have Pivot axle and be provided with for the Pivot axle be embedded in axis hole resin made by cylinder
Shape part；
Rotor, which passes through the Bearning mechanism and is supported to rotate, and keeps Magnet；And
Stator, which is opposite with the Magnet,
One position of the axis direction of the axis hole becomes when the cartridge is rotated against with the Pivot axle
Bearing portion.
2. motor according to claim 1, it is characterised in that
The Pivot axle is the fixing axle for being fixed on retainer,
In the rotor, the Magnet is kept by the cartridge.
3. motor according to claim 2, it is characterised in that
The Magnet is maintained at the outer peripheral face of the cartridge,
The stator is opposite with the Magnet in radial outside,
When observing from the direction orthogonal with the axis direction, the bearing portion is with the Magnet part opposite with the stator
Overlap.
4. motor according to claim 1, it is characterised in that
The cartridge is provided with the misrun portion formed by cavity in the radial outside of the bearing portion.
5. motor according to claim 4, it is characterised in that
The bearing portion is arranged at the end of the side of the axis direction of the axis hole.
6. motor according to claim 5, it is characterised in that
The misrun portion from the side from the axis direction of the cartridge end face to the axis direction
The recess of ring-type of opposite side depression formed.
7. motor according to claim 6, it is characterised in that
Become axle from the whole inner peripheral surface of the bottom in the misrun portion cylindrical portion prominent to the side of the axis direction
Bearing portion.
8. motor according to claim 5, it is characterised in that
The internal diameter of the axis hole expands from described one lateral opposite side of the axis direction.
9. motor according to claim 8, it is characterised in that
The axis hole is formed as from described one lateral opposite side of the axis direction relative to the inclined cone of the axis direction
Shape face.
10. motor according to claim 1, it is characterised in that
The bearing portion is more than 1.5 times of the external diameter of the Pivot axle in the length on the axis direction.
11. motors according to claim 10, it is characterised in that
The bearing portion is below the three times of the external diameter of the Pivot axle in the length on the axis direction.
12. motors according to any one of claim 1 to 11, it is characterised in that
In the end face of the cartridge, recess is formed with the both sides for clipping the axis hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015190557A JP6715585B2 (en) | 2015-09-29 | 2015-09-29 | motor |
| JP2015-190557 | 2015-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106558939A true CN106558939A (en) | 2017-04-05 |
| CN106558939B CN106558939B (en) | 2018-11-16 |
Family
ID=58417495
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621083640.4U Withdrawn - After Issue CN206099611U (en) | 2015-09-29 | 2016-09-27 | Motor |
| CN201610856929.3A Active CN106558939B (en) | 2015-09-29 | 2016-09-27 | Motor |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621083640.4U Withdrawn - After Issue CN206099611U (en) | 2015-09-29 | 2016-09-27 | Motor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6715585B2 (en) |
| CN (2) | CN206099611U (en) |
| WO (1) | WO2017057230A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111819766A (en) * | 2018-03-13 | 2020-10-23 | 日本电产株式会社 | Motor with a stator having a stator core |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6715585B2 (en) * | 2015-09-29 | 2020-07-01 | 日本電産サンキョー株式会社 | motor |
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| JP2006316921A (en) * | 2005-05-13 | 2006-11-24 | Nippon Densan Corp | Spindle motor and its fluid dynamic-pressure bearing structure |
| KR20120004703A (en) * | 2010-07-07 | 2012-01-13 | 삼성전기주식회사 | Fluid dynamic bearing assembly |
| JP2012152098A (en) * | 2010-12-27 | 2012-08-09 | Nippon Densan Corp | Spindle motor, disk drive device, and method of manufacturing spindle motor |
| US20140035442A1 (en) * | 2009-08-28 | 2014-02-06 | Lg Innotek Co., Ltd. | Bearing Structure and Spindle Motor Having the Same |
| KR101376805B1 (en) * | 2012-07-05 | 2014-03-21 | 삼성전기주식회사 | spindle motor |
| CN206099611U (en) * | 2015-09-29 | 2017-04-12 | 日本电产三协株式会社 | Motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09285063A (en) * | 1996-04-10 | 1997-10-31 | Sankyo Seiki Mfg Co Ltd | Bearing holder and its injection molding method |
| JPH10339323A (en) * | 1997-06-06 | 1998-12-22 | Asmo Co Ltd | Slide bearing and motor |
| JP3745505B2 (en) * | 1997-07-25 | 2006-02-15 | アスモ株式会社 | Slide bearing and motor |
| US6051900A (en) * | 1999-08-03 | 2000-04-18 | Tokyo Parts Industrial Co., Ltd. | Flat coreless vibrator motor having no output shaft |
| JP2001286089A (en) * | 2000-03-30 | 2001-10-12 | Tokyo Parts Ind Co Ltd | Rotor supported by axis fixing shaft and axis fixed motor with the rotor |
| JP4111854B2 (en) * | 2003-03-28 | 2008-07-02 | 松下電器産業株式会社 | Method for measuring liquid surface depth of liquid lubricant in hydrodynamic bearing device |
| US6819021B1 (en) * | 2003-03-31 | 2004-11-16 | Sunonwealth Electric Machine Industry Co., Ltd. | Combination of a base and an axle tube for a motor |
| JP2007247885A (en) * | 2005-08-31 | 2007-09-27 | Matsushita Electric Ind Co Ltd | Hydrodynamic bearing type rotary device and recording and reproducing device with same |
| JP2009303444A (en) * | 2008-06-17 | 2009-12-24 | Sanyo Electric Co Ltd | Flat motor |
-
2015
- 2015-09-29 JP JP2015190557A patent/JP6715585B2/en not_active Expired - Fee Related
-
2016
- 2016-09-26 WO PCT/JP2016/078178 patent/WO2017057230A1/en active Application Filing
- 2016-09-27 CN CN201621083640.4U patent/CN206099611U/en not_active Withdrawn - After Issue
- 2016-09-27 CN CN201610856929.3A patent/CN106558939B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006316921A (en) * | 2005-05-13 | 2006-11-24 | Nippon Densan Corp | Spindle motor and its fluid dynamic-pressure bearing structure |
| US20140035442A1 (en) * | 2009-08-28 | 2014-02-06 | Lg Innotek Co., Ltd. | Bearing Structure and Spindle Motor Having the Same |
| KR20120004703A (en) * | 2010-07-07 | 2012-01-13 | 삼성전기주식회사 | Fluid dynamic bearing assembly |
| JP2012152098A (en) * | 2010-12-27 | 2012-08-09 | Nippon Densan Corp | Spindle motor, disk drive device, and method of manufacturing spindle motor |
| KR101376805B1 (en) * | 2012-07-05 | 2014-03-21 | 삼성전기주식회사 | spindle motor |
| CN206099611U (en) * | 2015-09-29 | 2017-04-12 | 日本电产三协株式会社 | Motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111819766A (en) * | 2018-03-13 | 2020-10-23 | 日本电产株式会社 | Motor with a stator having a stator core |
| CN111819766B (en) * | 2018-03-13 | 2023-05-12 | 日本电产株式会社 | Motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN206099611U (en) | 2017-04-12 |
| CN106558939B (en) | 2018-11-16 |
| JP2017070022A (en) | 2017-04-06 |
| WO2017057230A1 (en) | 2017-04-06 |
| JP6715585B2 (en) | 2020-07-01 |
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