CN207124506U - Motor and fan motor - Google Patents
Motor and fan motor Download PDFInfo
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- CN207124506U CN207124506U CN201721127507.9U CN201721127507U CN207124506U CN 207124506 U CN207124506 U CN 207124506U CN 201721127507 U CN201721127507 U CN 201721127507U CN 207124506 U CN207124506 U CN 207124506U
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Abstract
The utility model, which provides a kind of motor and fan motor, the motor, to be had：Stationary part；The rotating part that can be rotated centered on the central shaft vertically extended is supported for, wherein, stationary part has：The armature of magnetic flux is produced according to driving current；And the bearing of the radially inner side of armature is configured at, rotating part has：It is supported on the axle of bearing；It is fixed on the rotor rack of the resin-made of axle；It is fixed on the metal rotor rim of rotor rack；And radial outside positioned at armature and the magnet of rotor rim being fixed on, rotor rack has：Frame cap positioned at the upside of armature；The frame cylindrical portion of the drum extended from the radial outer end of frame cap to downside；And radially inner side is being leaned on than frame cylindrical portion, the first convex portion extended from frame cap to downside, rotor rim has the yoke cylindrical portion for the inner peripheral surface for being fixed on frame cylindrical portion, and the axial top of rotor rim contacts with the first convex portion and frame cylindrical portion.
Description
Technical field
It the utility model is related to motor and fan motor.
Background technology
All the time, the quality examination of motor has be referred to as thermal shock test one.The thermal shock test is to be used for
By applying temperature change drastically repeatedly from high temperature to low temperature to motor, make the various parts of composition motor that expansion be repeated
And shrink, so as to check the experiment of the quality of motor.The defects of producing in this experiment has deformation, the rupture of part etc. various
Situation.Particularly as publication the defects of being referred to as coming off of one of the part that solve to form motor (magnet yoke), such as
It is on the books in Japan's Publication 2000-152524 publications.
Japan's Publication 2000-152524 publications disclose a kind of yoke structure for employing spiral spring
Make.
Utility model content
But in the structure of magnetic yoke described in Japan's Publication 2000-152524 publications, rotor rim is in footpath
Rotor rack is fixed on laterally.That is, magnet is only configured with the radially inner side of rotor rim, and is not fixed with rotor rack.Therefore,
The holding intensity of rotor rim is insufficient.That is, in thermal shock test, there is a possibility that rotor rim comes off from rotor rack.
The purpose of this utility model is, there is provided a kind of further to reduce the possibility that rotor rim comes off from rotor rack
The motor and fan motor of property.
Exemplary first embodiment of the present utility model is a kind of motor, and it has：Stationary part；And it is supported for
The rotating part that can be rotated centered on the central shaft vertically extended, said motor are characterised by that above-mentioned stationary part has：
The armature of magnetic flux is produced according to driving current；And the bearing of the radially inner side of above-mentioned armature is configured at, above-mentioned rotating part has：
It is supported on the axle of above-mentioned bearing；It is fixed on the rotor rack of the resin-made of above-mentioned axle；It is fixed on metal turn of above-mentioned rotor rack
Sub- yoke；And radial outside positioned at above-mentioned armature and the magnet of above-mentioned rotor rim being fixed on, above-mentioned rotor rack has：Position
Frame cap in the upside of above-mentioned armature；The frame cylinder of the drum extended from the radial outer end of above-mentioned frame cap to downside
Portion；And radially inner side is being leaned on than above-mentioned frame cylindrical portion, and the first convex portion extended from above-mentioned frame cap to downside, above-mentioned rotor magnetic
Yoke has the yoke cylindrical portion for the inner peripheral surface for being fixed on above-mentioned frame cylindrical portion, the axial top of above-mentioned rotor rim and above-mentioned first
Convex portion and the contact of above-mentioned frame cylindrical portion.
Motor of the exemplary second embodiment of the present utility model according to exemplary first embodiment, its
It is characterised by, above-mentioned rotor rim also has the yoke flange extended from the upper axial end of above-mentioned yoke cylindrical portion to radially inner side
Portion, at least a portion of the inner face for being radially oriented inner side of above-mentioned yoke flange part and the outer surface of above-mentioned first convex portion connect
Touch.
The 3rd exemplary embodiment of the present utility model is according to exemplary first embodiment or the second embodiment party
Motor described in formula, it is characterised in that above-mentioned frame cap has to recessed on the upside of axial direction than above-mentioned first convex portion by radially inner side
Sunken recess.
Motor of the 4th exemplary embodiment of the present utility model according to the 3rd exemplary embodiment, its
It is characterised by, above-mentioned recess, which has, is radially oriented inner side and to axially inclined first rake in upside.
Motor of the 5th exemplary embodiment of the present utility model according to the 3rd exemplary embodiment, its
It is characterised by, above-mentioned recess, which has, is radially oriented outside and to axially inclined first rake in upside.
The 6th exemplary embodiment of the present utility model is according to exemplary first embodiment or the second embodiment party
Motor described in formula, it is characterised in that above-mentioned rotor rack has what the inner circumferential from above-mentioned first convex portion protruded towards radially inner side
Second convex portion.
Motor of the 7th exemplary embodiment of the present utility model according to the 6th exemplary embodiment, its
It is characterised by, above-mentioned second convex portion, which has, is radially oriented inner side and to axially inclined second rake in upside.
Motor of the 8th exemplary embodiment of the present utility model according to the 7th exemplary embodiment, its
It is characterised by, above-mentioned second rake has relative to the concave flexure plane of above-mentioned armature.
Motor of the 9th exemplary embodiment of the present utility model according to the 7th exemplary embodiment, its
It is characterised by, above-mentioned second rake has relative to the convex flexure plane of above-mentioned armature.
The tenth exemplary embodiment of the present utility model is according to exemplary first embodiment or the second embodiment party
Motor described in formula, it is characterised in that the circumferential lengths of at least one first convex portion and other the in multiple above-mentioned first convex portions
The circumferential lengths of one convex portion are different.
The 11st exemplary embodiment of the present utility model is implemented according to exemplary first embodiment or second
Motor described in mode, it is characterised in that centered on central shaft, with most long upper of circumferential lengths in multiple above-mentioned first convex portions
The upper surface for stating the above-mentioned frame cap of the opposite side in the first convex portion has the groove that can configure balance correcting part.
The 12nd exemplary embodiment of the present utility model is implemented according to exemplary first embodiment or second
Motor described in mode, it is characterised in that in the circumferential, multiple above-mentioned respective center lines in first convex portion unevenly configure.
The 13rd exemplary embodiment of the present utility model is implemented according to exemplary first embodiment or second
Motor described in mode, it is characterised in that above-mentioned first convex portion is ring-type, and in circumference, radial direction it is in uneven thickness.
Horse of the 14th exemplary embodiment of the present utility model according to the 13rd exemplary embodiment
Reach, it is characterised in that opposite with above-mentioned first convex portion that radial thickness in above-mentioned first convex portion is most thick centered on central shaft
The upper surface of the above-mentioned frame cap of side has the groove that can configure balance correcting part.
The 15th exemplary embodiment of the present utility model is a kind of fan motor, it is characterised in that is had：Example
Motor described in the first embodiment or second embodiment of property；And prolong from the periphery of above-mentioned rotor rack towards radial outside
The multiple movable vane pieces stretched.
According to first embodiment of the present utility model, using the teaching of the invention it is possible to provide reduce the possibility that rotor rim comes off from rotor rack
The motor and fan motor of property.In addition, fan motor has above-mentioned motor, therefore, it is possible to reduce rotor rim from rotor rack
The possibility to come off.
According to the detailed description of following the utility model preferred embodiment, referring to the drawings, can be more clearly understood that
Above and other feature of the present utility model, key element, step, feature and advantage.
Brief description of the drawings
Fig. 1 is the sectional view of the motor of first embodiment of the present utility model.
Fig. 2 (a) is when representing to be pressed into the rotor rack of first embodiment of the present utility model rotor rim and magnet
The figure of situation.
The figure of deformation when Fig. 2 (b) is the thermal expansion for the rotor rack for representing first embodiment of the present utility model.
Fig. 3 (a)~(d) is the partial sectional view of the motor of first embodiment of the present utility model.
Fig. 4 (a)~(c) is the partial sectional view of the motor of second embodiment of the present utility model.
Fig. 5 (a)~(c) is the partial sectional view of the motor of the 3rd embodiment of the present utility model.
Fig. 6 is the upward view of the motor of first embodiment of the present utility model.
Fig. 7 is the upward view of the motor of variation of the present utility model.
Fig. 8 is the upward view of the motor of variation of the present utility model.
Fig. 9 is by the sectional view of motor applications of the present utility model to fan motor.
Embodiment
Hereinafter, on one side referring to the drawings, while illustrating an exemplary embodiment of the present utility model.In addition, the application
In, the direction parallel with central shaft is referred to as " axial direction ", " radial direction " will be referred to as with the direction of orthogonality of center shaft, will be along with center
The direction of circular arc centered on axle is referred to as " circumference ".In addition, in the application, above-below direction will be axially set to, and relative to armature,
Rotor cap side is set to, so as to the shape and position relationship to each several part.But it is not intended to by the above-below direction
Direction when defining during limiting the manufacture of fan of the present utility model or using.
Fig. 1 is the sectional view of the motor of an embodiment of the present utility model.As shown in figure 1, motor M has stationary part 2
With rotating part 1.Rotating part 1 can rotatably be supported centered on central shaft J by stationary part 2.
Rotating part 1 has axle 11, rotor rack 12, rotor rim 13 and magnet 14.Axle 11 is supported on bearing 22.This reality
The bearing 22 for applying mode is sliding bearing.But it is also possible to replace sliding bearing using FDB or beautiful bearing.
Rotor rack 12 is affixed to the part of the resin-made of axle 11.Rotor rack 12 has frame cap 121 and frame cylindrical portion
122.Frame cap 121 is located at the upside of armature 21.Frame cylindrical portion 122 is from the end of the radial outside of frame cap 121 to downside
The position of the drum of extension.
Rotor rim 13 is affixed to the metal part of rotor rack 12.Rotor rim 13 is fixed on frame cylindrical portion 122
Inner peripheral surface.Magnet 14 is located at the radial outside of armature 21, and is fixed on the inner peripheral surface of rotor rim 13.That is, magnet 14 is in footpath
It is opposed with armature 21 upwards.
Stationary part 2 has armature 21, bearing 22, base portion 23 and circuit substrate 24.Driven when being supplied from external power source
During electric current, according to the driving current, magnetic flux is produced in armature 21.By acting on the magnetic flux, so as to armature 21 and magnet 14 it
Between produce circumferential moment of torsion.As a result, rotating part 1 is pivoted about with central shaft J.
Armature 21 has stator core 211, insulator 212 and coil 213.Stator core 211 is for example by being electromagnetic steel
The stacked steel plate that plate is laminated in the axial direction is formed.Insulator 212 is made up of the resin as insulating materials.Insulator 212
Cover the both ends of the surface of the upper surface of stator core 211, lower surface and circumference.Coil 213 is by being wound in the wire of insulator 212
Form.Bearing 22 is configured with the radially inner side of armature 21.
Base portion 23 is located at the downside of circuit substrate 24, and is generally perpendicularly extended relative to central shaft J.In addition, pedestal
Portion 23 has in a manner of bearing 22 is accommodated in into radially inner side to the bearing block 231 of axially top extension.Bearing block 231 is in footpath
Armature 21 is supported with laterally.Bearing block 231 also has in axial direction in the position overlapped in the axial direction with conducting pin 214 described later
The pedestal through hole 232 of upper insertion.
Circuit substrate 24 is located at the downside of armature 21 and the upside of base portion 23, and relative to central shaft J generally perpendicularly
Extension.The electronic circuit for supplying driving current to coil 213 is equipped with the upper surface of circuit substrate 24 and lower surface.Structure
Wire into coil 213 is connected via conducting pin 214 with circuit substrate 24.In addition, do not scheme via by pedestal through hole 232
The connector shown, circuit substrate 24 connect with external power source.
The first embodiment ＞ of ＜ 1.
Fig. 2 (a) is to represent to be pressed into rotor rim 13 and magnet to the rotor rack 12 of first embodiment of the present utility model
The figure of situation when 14.Deformation when Fig. 2 (b) is the thermal expansion for the rotor rack 12 for representing first embodiment of the present utility model
Figure.
As shown in Fig. 2 (a), rotor rack 12 prolongs from frame cap 121 to downside having than frame cylindrical portion 122 by radially inner side
The first convex portion 123 stretched.In addition, press-in rotor rim 13, until the axial top of rotor rim 13 is radially positioned first
Between convex portion 123 and frame cylindrical portion 122.That is, the axial top of rotor rim 13 connects with the first convex portion 123 and frame cylindrical portion 122
Touch.Rotor rim 13 has the yoke cylindrical portion 131 for the inner peripheral surface for being fixed on frame cylindrical portion 122.Thus, it is also possible in other words,
The axial top of yoke cylindrical portion 131 contacts with the first convex portion 123 and frame cylindrical portion 122.
As shown in Fig. 2 (b) arrow, in above-mentioned thermal shock test, particularly when being set to high temperature, rotor rack 12 with
Inner peripheral surface and outer peripheral face deform to radial outside together.Arrow A is the deformation side of the rotor cylindrical portion 122 when being transitioned into high temperature
To.Arrow B is the deformation direction of the first convex portion 123 when being transitioned into high temperature.In high temperature transition, rotor rack 12 and rotor rim
13 deform to radial outside together.But because rotor rack 12 is different with the thermal coefficient of expansion of rotor rim 13, therefore, deformation
Amount produces difference, there is a possibility that rotor rim comes off.
Here, in the case of assuming that rotor rack does not have the first convex portion, rotor rack is only produced to the side represented by arrow A
To deformation.Therefore, the rotor rim for being fixed with magnet has the possibility departed from from rotor rack.It is but of the present utility model
Rotor rack 122 has the first convex portion 123, therefore, not only to the Direction distortion represented by arrow A, but also represented to by arrow B
Direction distortion.Therefore, the deformation to radial outside of rotor cylindrical portion 122 is followed, the first convex portion 123 also becomes to radial outside
Shape.That is, the state from radially inner and outer grip roll yoke 13 is maintained.Thereby, it is possible to reduce to be fixed with the rotor rim of magnet 14
13 possibilities departed from from rotor rack 12.
Rotor rim 13 also has the yoke flange part extended from the upper axial end of yoke cylindrical portion 131 to radially inner side
132.At least a portion of the inner face for being radially oriented inner side of yoke flange part 132 contacts with the outer surface of the first convex portion 123.
By with yoke flange part 132, so as to which the contact area of rotor rim 13 and rotor rack 12 becomes big.Therefore, it is possible to further
Reduce the possibility that rotor rim 13 departs from from rotor rack 12.
Fig. 3 (a)~(d) is the partial sectional view of the motor of first embodiment of the present utility model.Described in each figure
Circle shows Fig. 1 part surrounded by circle P.Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) and Fig. 3 (d) difference only the first convex portion 123
Shape it is different.
The axial location of the lower end of the first convex portion 123A shown in Fig. 3 (a) and the yoke flange part 132 of rotor rim 13
The axial location of lower end is roughly the same.Thus, it is ensured that rotor rack 12 and the contact area of rotor rim 13, and also ensure that rotor
Press-in operability of the yoke 13 to rotor rack 12.In addition, the first convex portion 123A is not provided at the whole of the lower surface of frame cap 121
Individual region, and it is provided at a radially part.Therefore, as shown in figure 1, can for example avoid and be located at footpath as insulator 212
Interference to other parts of inner side.In other words, the design freedom of other parts is improved, and is also contributed to axial thin
Type.
The lower end that the lower end of the first convex portion 123B shown in Fig. 3 (b) is located at the yoke flange part 132 than rotor rim 13 is leaned on
Axially upside.Thus, compared with Fig. 3 (a) embodiment, press-in operability of the rotor rim 13 to rotor rack 12 is improved.
The lower end that the lower end of the first convex portion 123C shown in Fig. 3 (c) is located at the yoke flange part 132 than rotor rim 13 is leaned on
Axially downside.Thus, compared with Fig. 3 (a) embodiment, the contact surface of rotor rack 12 and rotor rim 13 can be substantially ensured that
Product.
The axial location of the lower end of the first convex portion 123D shown in Fig. 3 (d) is in the same manner as Fig. 3 (a) embodiment with turning
The axial location of the lower end of the yoke flange part 132 of sub- yoke 13 is roughly the same.But the first convex portion 123D inner radial surface
It is connected with axle 11.That is, the first convex portion 123D extends to radially inner side is connected with axle 11.Thus, it is contemplated that the first convex portion 123D
Rigid raising.That is, when the rotor rim 13 for being fixed with magnet 14 is pressed into rotor rack 12, rotor rack 12 can be suppressed
Rupture.
The second embodiment ＞ of ＜ 2.
Fig. 4 (a)~(c) is the partial sectional view of the motor of second embodiment of the present utility model.Described in each figure
Circle shows Fig. 1 part surrounded by circle P.The shape of Fig. 4 (a), Fig. 4 (b) and Fig. 4 (c) difference only recess 124 is different.
As shown in Fig. 4 (a), the frame cap 121 of rotor rack 12 has on axial direction than the first convex portion 123 by radially inner side
The recess 124 of side depression.Here, in the environment of thermal shock test or installation motor M real machine side, anti-from high temperature to low temperature
In the case of the multiple temperature change applied drastically, the position on the periphery of recess 124 becomes due to expansion is repeated and shrinks
Shape.By setting recess 124, stress caused by the deformation can be reduced.That is, can suppress at the position on the periphery of recess 124
A problem that producing rupture.
As shown in Fig. 4 (b), recess 124, which has, is radially oriented inner side and to axially inclined first rake in upside
1241A.In addition, as shown in Fig. 4 (c), recess 124, which has, is radially oriented outside and to axially inclined first rake in upside
1241B.First rake 1241A and the first rake 1241B is it can be considered that deformation and the rotor rack at the position on the periphery of recess 124
12 shaping easness and suitably select.
The embodiment ＞ of ＜ 3. the 3rd
Fig. 5 (a)~(c) is the partial sectional view of the motor of the 3rd embodiment of the present utility model.Described in each figure
Circle shows Fig. 1 part surrounded by circle P.Fig. 5 (a), Fig. 5 (b) and the shape of Fig. 5 (c) difference only the second convex portion 125
It is different.
As shown in Fig. 5 (a), rotor rack 12 have protruded from the inner circumferential of the first convex portion 123 towards radially inner side it is second convex
Portion 125.Thereby, it is possible to ensure the rigidity on the periphery of the first convex portion 123.
As shown in Fig. 5 (b), the second convex portion 125, which has, is radially oriented inner side and to axially inclined second rake in upside
1251A.Second rake 1251A has relative to the concave flexure plane of armature 21.In addition, as shown in Fig. 5 (c), second is convex
Portion 125, which has, is radially oriented inner side and to the axially inclined second rake 1251B in upside.Second rake 1251B has phase
For the convex flexure plane of armature 21.Second rake 1251A and the second rake 1251B is it can be considered that the second convex portion 125
The deformation at the position on periphery and the shaping easness of rotor rack 12 and suitably select.
The variation ＞ of ＜ 4.
Fig. 6 is the upward view of the motor of first embodiment of the present utility model.In present embodiment, have multiple first
Convex portion (123a, 123b, 123c).C1, C2 and C3 are the center line of multiple first convex portions (123a, 123b, 123c) respectively.
In addition, the central angle (θ 1, θ 2, θ 3) being made up of center line adjacent in each center line (C1, C2, C3) is identical.That is, each central angle
(θ 1, θ 2, θ 3) is 120 degree.
Here, the circumferential lengths of at least one first convex portion and other the in multiple first convex portions (123a, 123b, 123c)
The circumferential lengths of one convex portion are different.In present embodiment, the first convex portion 123a circumferential lengths and the first convex portion 123b and first
Convex portion 123c circumferential lengths are different.First convex portion 123b and the first convex portion 123c circumferential lengths are identical.
More specifically, the first convex portion 123a central angle be the first convex portion 123b or the first convex portion 123c central angle with
Angle after θ 42 times of additions.In addition, in present embodiment, θ 4 is exemplarily illustrated as 15 degree, but the utility model is not limited to
This.
Here, the frame cylindrical portion 122 of rotor rack 12 is the drum that radial thickness is fixed.That is, without the inclined of circumference
Difference.Corresponding thereto, there is circumferential deviation in multiple first convex portions 123.Assuming that in multiple first convex portions without the inclined of circumference
In the case of difference, the deformation for the radial direction of frame cylindrical portion, multiple first convex portions also balance in the circumferential follows well.That is,
The reaction force applied to the rotor rim being held between frame cylindrical portion and multiple first convex portions obtains balance in the circumferential.
In the case that the reaction force is smaller, rotor rim 13 can relatively easily depart from the axial direction.
In contrast, in present embodiment, it is intended that produce circumferential deviation to property.I.e., in the circumferential, to rotor rim 13
The reaction force of application is of different sizes.Therefore, when the rotor rim 13 for being fixed with magnet 14 is pressed into rotor rack 12, rotor
Frame 12 unevenly deforms.It is, the circumferential stress distribution of rotor rim 13 becomes uneven.Thus, turn during thermal expansion
The circumferential deflection of subrack 12 also becomes uneven, can reduce the possibility that rotor rim 13 departs from from rotor rack 12.
In addition, centered on central shaft J, most long with circumferential lengths in multiple first convex portions (123a, 123b, 123c)
The upper surface of the frame cap 121 of side opposite one convex portion 123a has the groove 1211 that can configure balance correcting part.Therefore,
Centered on central shaft J, the side configuration balance opposite with the position with deviation of weight of rotor rack 12 in the circumferential is repaiied
Positive part, so as to improve the operability during balance amendment for carrying out rotating part 1.
The variation ＞ of ＜ 5.
Fig. 7 is the upward view of the motor of variation of the present utility model.Present embodiment and the embodiment described in Fig. 6
Difference be only that the arranged circumferentially of multiple first convex portions.Other is identical structure, therefore, in this description will be omitted.
As shown in fig. 7, in the circumferential, the respective center line of multiple first convex portions (123d, 123b, 123c) (C4, C2, C3)
Unevenly configure.More specifically, center line C4 than the center line C1 that is represented in Fig. 6 to the first convex portion 123c lateral deviations from θ 5 and
Configuration.In addition, the circumferential lengths of multiple first convex portions (123d, 123b, 123c) are identical.In addition, in present embodiment, the examples of θ 5
It is illustrated as 15 degree, but the utility model not limited to this to property.
Therefore, it is intended that property make and the circumferential position of the first convex portion 123 that rotor rim 13 contacts generates deviation, because
This, when the rotor rim 13 for being fixed with magnet 14 is pressed into rotor rack 12, rotor rack 12 unevenly deforms.It is,
The circumferential stress distribution of rotor rim 13 becomes uneven.Thus, the circumferential deflection of the rotor rack 12 during thermal expansion also becomes
Must be uneven, the possibility that rotor rim 13 departs from from rotor rack 12 can be reduced.
The variation ＞ of ＜ 6.
Fig. 8 is the upward view of the motor of variation of the present utility model.As shown in figure 8, the first convex portion of present embodiment
123e is ring-type, in the circumferential, radial direction it is in uneven thickness.More specifically, the X1 on central shaft J straight line X1-X2 is passed through
The first convex portion 123e in direction radial thickness is minimum, and the first convex portion 123e in X2 directions radial thickness is maximum.
Therefore, it is intended that property make and rotor rim 13 contact the first convex portion 123 produce circumferential deviation, therefore, will
Be fixed with the rotor rim 13 of magnet 14 to rotor rack 12 be pressed into when, rotor rack 12 unevenly deforms.It is, rotor rim
13 circumferential stress distribution becomes uneven.Thus, the circumferential deflection of the rotor rack 12 during thermal expansion also becomes uneven,
The possibility that rotor rim 13 departs from from rotor rack 12 can be reduced.
In addition, centered on central shaft J, with radial thickness in the first convex portion 123e the first most thick convex portion (X2 directions
First convex portion 123e) upper surface of frame cap 121 of opposite side has the groove 1211 that can configure balance correcting part.Cause
This, centered on central shaft J, the side configuration balance opposite with the position with deviation of weight of rotor rack 12 in the circumferential
Correcting part, so as to improve the operability during balance amendment for carrying out rotating part 1.
The embodiment ＞ of ＜ 7. the 4th
As shown in figure 9, the motor M shown in present embodiment has multiple movable vane pieces 15, fan drum 25 and multiple quiet
Blade 26.Multiple movable vane pieces 15 extend from the periphery of frame cylindrical portion 122 towards radial outside, and arrange in the circumferential.It is multiple
Movable vane piece 15 is the part of the resin-made rotated together with axle 11.Multiple movable vane pieces 15 with rotor rack 12 by being integrally formed and shape
Into.
Fan drum 25 is the part of the tubular for the radial outside for surrounding movable vane piece 15.Multiple stator blades 26 are to link fan
The part of shell 25 and base portion 23.Multiple stator blades 26 arrange in the circumferential.Using multiple stator blades 26, to by multiple dynamic
Blade 15 rotates and the air-flow under carries out rectification.That is, motor of the present utility model can be applied to tube-axial fan
Motor.But by suitably changing shape, the shape of base portion of fan drum, it can also apply to centrifugal fan motor.
More than, the shape of the discreet portions of each part can also be different from the shape of the present utility model respectively illustrated.Separately
Outside, can also be appropriately combined to appear in above-mentioned embodiment, each unit of variation in the range of contradiction is not produced.
As long as not producing conflict, above-mentioned preferred embodiment and variation feature can be just combined as.
Motor and fan motor of the present utility model can for example carry be used in communication equipment, PC, OA equipment,
Household appliances, vehicle-mounted product and conveying equipment.
Claims (15)
1. a kind of motor, it has：
Stationary part；And
The rotating part that can be rotated centered on the central shaft vertically extended is supported for,
Said motor is characterised by,
Above-mentioned stationary part has：
The armature of magnetic flux is produced according to driving current；And
The bearing of the radially inner side of above-mentioned armature is configured at,
Above-mentioned rotating part has：
It is supported on the axle of above-mentioned bearing；
It is fixed on the rotor rack of the resin-made of above-mentioned axle；
It is fixed on the metal rotor rim of above-mentioned rotor rack；And
Positioned at above-mentioned armature radial outside and be fixed on the magnet of above-mentioned rotor rim,
Above-mentioned rotor rack has：
Frame cap positioned at the upside of above-mentioned armature；
The frame cylindrical portion of the drum extended from the radial outer end of above-mentioned frame cap to downside；And
Radially inner side is being leaned on than above-mentioned frame cylindrical portion, the first convex portion extended from above-mentioned frame cap to downside,
Above-mentioned rotor rim has the yoke cylindrical portion for the inner peripheral surface for being fixed on above-mentioned frame cylindrical portion,
The axial top of above-mentioned rotor rim contacts with above-mentioned first convex portion and above-mentioned frame cylindrical portion.
2. motor according to claim 1, it is characterised in that
Above-mentioned rotor rim also has the yoke flange part extended from the upper axial end of above-mentioned yoke cylindrical portion to radially inner side, on
At least a portion for stating the inner face for being radially oriented inner side of yoke flange part contacts with the outer surface of above-mentioned first convex portion.
3. motor according to claim 1 or 2, it is characterised in that
Above-mentioned frame cap has to the recess being recessed on the upside of axial direction than above-mentioned first convex portion by radially inner side.
4. motor according to claim 3, it is characterised in that
Above-mentioned recess, which has, is radially oriented inner side and to axially inclined first rake in upside.
5. motor according to claim 3, it is characterised in that
Above-mentioned recess, which has, is radially oriented outside and to axially inclined first rake in upside.
6. motor according to claim 1 or 2, it is characterised in that
Above-mentioned rotor rack has the second convex portion protruded from the inner circumferential of above-mentioned first convex portion towards radially inner side.
7. motor according to claim 6, it is characterised in that
Above-mentioned second convex portion, which has, is radially oriented inner side and to axially inclined second rake in upside.
8. motor according to claim 7, it is characterised in that
Above-mentioned second rake has relative to the concave flexure plane of above-mentioned armature.
9. motor according to claim 7, it is characterised in that
Above-mentioned second rake has relative to the convex flexure plane of above-mentioned armature.
10. motor according to claim 1 or 2, it is characterised in that
The circumferential lengths of at least one first convex portion are different from the circumferential lengths of other first convex portions in multiple above-mentioned first convex portions.
11. motor according to claim 1 or 2, it is characterised in that
Centered on central shaft, the side opposite with above-mentioned first convex portion that circumferential lengths in multiple above-mentioned first convex portions are most long
The upper surface of above-mentioned frame cap has the groove that can configure balance correcting part.
12. motor according to claim 1 or 2, it is characterised in that
In the circumferential, multiple above-mentioned respective center lines in first convex portion unevenly configure.
13. motor according to claim 1 or 2, it is characterised in that
Above-mentioned first convex portion is ring-type, and in circumference, radial direction it is in uneven thickness.
14. motor according to claim 13, it is characterised in that
Centered on central shaft, the side opposite with above-mentioned first convex portion that radial thickness in above-mentioned first convex portion is most thick it is above-mentioned
The upper surface of frame cap has the groove that can configure balance correcting part.
15. a kind of fan motor, it is characterised in that have：
Motor described in claim 1 or 2；And
The multiple movable vane pieces extended from the periphery of above-mentioned rotor rack towards radial outside.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-172659 | 2016-09-05 | ||
| JP2016172659A JP2018042302A (en) | 2016-09-05 | 2016-09-05 | Motor and fan motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207124506U true CN207124506U (en) | 2018-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721127507.9U Active CN207124506U (en) | 2016-09-05 | 2017-09-04 | Motor and fan motor |
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| Country | Link |
|---|---|
| JP (1) | JP2018042302A (en) |
| CN (1) | CN207124506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116325434A (en) * | 2020-09-25 | 2023-06-23 | 大金工业株式会社 | Motor, blower and air conditioner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005027431A (en) * | 2003-07-02 | 2005-01-27 | Nippon Densan Corp | Motor |
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2016
- 2016-09-05 JP JP2016172659A patent/JP2018042302A/en active Pending
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2017
- 2017-09-04 CN CN201721127507.9U patent/CN207124506U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116325434A (en) * | 2020-09-25 | 2023-06-23 | 大金工业株式会社 | Motor, blower and air conditioner |
| CN116325434B (en) * | 2020-09-25 | 2023-09-15 | 大金工业株式会社 | Motor, blower and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018042302A (en) | 2018-03-15 |
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