CN206226199U - Motor rotor component and the motor with it - Google Patents
Motor rotor component and the motor with it Download PDFInfo
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- CN206226199U CN206226199U CN201621273020.7U CN201621273020U CN206226199U CN 206226199 U CN206226199 U CN 206226199U CN 201621273020 U CN201621273020 U CN 201621273020U CN 206226199 U CN206226199 U CN 206226199U
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- shaft shoulder
- magnet ring
- motor rotor
- rotor component
- bearing
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Abstract
The utility model discloses a kind of motor rotor component and the motor with it, wherein, motor rotor component includes：Rotating shaft, rotating shaft has along its axially extending magnet ring installation portion and axle bearing mount portion, and the shaft shoulder is provided between magnet ring installation portion and axle bearing mount portion, and at least a portion radial dimension of the shaft shoulder is more than magnet ring installation portion and the radial dimension of axle bearing mount portion；Magnet ring, magnet ring is arranged on magnet ring installation portion and the side of magnet ring is stopped to one end of the shaft shoulder；Bearing, bearing is arranged on axle bearing mount portion and the other end to the shaft shoulder is stopped in the side of bearing.According to motor rotor component of the present utility model, the shaft shoulder in rotating shaft can realize the axially mounted positioning of magnet ring and bearing, increase the assembleability and uniformity of each part, and can conveniently and efficiently countershaft the shaft shoulder implement dynamic balancing measurement and processing, the operable row of production line is strong, high precision, it is to avoid motor produces impact because dynamic balancing is excessive and is lost to bearing in the process of running.
Description
Technical field
The utility model is related to technical field of motors, more particularly, to a kind of motor rotor component and the electricity with it
Machine.
Background technology
Current motor miniaturization, high speed development trend are obvious.Simultaneously because the high speed of motor and miniaturization, in motor
Manufacture and design aspect and run into many problems.Motor speed is raised, and frictional dissipation is increased bearing in itself, while uneven centrifugal force adds
Greatly, the loss of system is further degrading, system lifetim and reliability is reduced.With the rising of motor speed, to rotor
Requirement for dynamic balance more and more higher.
High-speed electric expreess locomotive in correlation technique is general to enter action balance processing come the property of lifting motor using to magnet ring rotor
Can, but this kind is difficult to be applied to middle-size and small-size high-speed electric expreess locomotive in the mode of rotor punching enterprising action balance processing, in addition magnet ring
Fragility is high and be difficult in itself due to its material for rotor, and these can all cause the difficulty that motor dynamic balancing is processed.
Utility model content
The utility model is intended at least solve one of above-mentioned technical problem to a certain extent.
It is the simple structure of the motor rotor component, compact therefore, the utility model proposes a kind of motor rotor component, plus
Work is easy, it is possible to achieve the good dynamic balancing processing of motor rotor component, is conducive to improving the performance and reliability of motor.
The utility model also proposes a kind of motor with above-mentioned motor rotor component.
According to the motor rotor component of the utility model first aspect, including：Rotating shaft, the rotating shaft has prolongs along its axial direction
The magnet ring installation portion and axle bearing mount portion stretched, are provided with the shaft shoulder, the axle between the magnet ring installation portion and the axle bearing mount portion
At least a portion radial dimension of shoulder is more than the magnet ring installation portion and the radial dimension of the axle bearing mount portion；Magnet ring, it is described
Magnet ring is arranged on the magnet ring installation portion and the side of the magnet ring is stopped to one end of the shaft shoulder；Bearing, the bearing peace
On the axle bearing mount portion and the other end to the shaft shoulder is stopped in the side of the bearing.
According to motor rotor component of the present utility model, the shaft shoulder in rotating shaft can realize that magnet ring is axially mounted with bearing
Positioning, increases the assembleability and uniformity of each part, it is ensured that the dimensional accuracy of motor rotor component, furthermore the shaft shoulder acts on axle
Hold, be easy to apply axial pre tightening force to bearing, it is ensured that the good use state of bearing, and can conveniently and efficiently countershaft axle
Shoulder implements dynamic balancing measurement and processing, and the operable row of production line is strong, high precision, it is to avoid motor is in the process of running because of dynamic balancing
It is big impact to be produced to bearing and is lost, can both ensure the superperformance of rotor and motor, the operation of production line can be ensured again
Efficiency, is conducive to lifting motor homogeneity of product.
In addition, according to motor rotor component of the present utility model, can also have following additional technical characteristic：
According to one embodiment of the present utility model, the bearing is metalwork, the external diameter of described shaft shoulder one end with it is described
/ 3rd of the difference of the external diameter of magnet ring installation portion less than or equal to the magnet ring thickness.
According to one embodiment of the present utility model, the shaft shoulder is provided with the fluting for being suitable to mitigate the shaft shoulder weight.
According to one embodiment of the present utility model, the fluting includes multiple, and multiple flutings are respectively provided at described
In the outside wall surface of the shaft shoulder and along the shaft shoulder axially through.
According to one embodiment of the present utility model, the shaft shoulder is provided with the heavy burden for being suitable to increase the shaft shoulder weight
Block, the variable weights are formed as annular and are set in the outside wall surface of the shaft shoulder.
According to one embodiment of the present utility model, the variable weights are located at the middle part of the shaft shoulder and the variable weights
Axial length of the axial length less than the shaft shoulder.
According to one embodiment of the present utility model, the variable weights are provided with multiple perforates, multiple perforate difference
Along the variable weights distribution is opened axially through and along the circumferentially-spaced of the variable weights.
According to one embodiment of the present utility model, the outside wall surface of the variable weights is provided with multiple lightening grooves, Duo Gesuo
State lightening grooves be respectively provided in the outside wall surface of the variable weights and along the variable weights axially through.
According to one embodiment of the present utility model, shaft shoulder middle part in its axial direction is provided with vacancy portion, the sky
The radial dimension in the portion of lacking is equal with the radial dimension of the magnet ring installation portion and the axle bearing mount portion.
According to one embodiment of the present utility model, the radial dimension of one end of the neighbouring described magnet ring of the shaft shoulder is less than
The radial dimension of the other end of the neighbouring bearing.
According to one embodiment of the present utility model, the outside wall surface of the shaft shoulder is provided with multiple rivets.
According to the motor of the utility model second aspect, including the motor rotor component described in above-described embodiment.
According to one embodiment of the present utility model, the motor is permanent magnetic brushless.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of the motor rotor component according to the utility model embodiment one；
Fig. 2 is the structural representation of the rotating shaft shown in Fig. 1；
Fig. 3 is the side view of the rotating shaft shown in Fig. 2；
Fig. 4 is the structural representation of the motor rotor component according to the utility model embodiment two；
Fig. 5 is the structural representation of the rotating shaft shown in Fig. 4；
Fig. 6 is a kind of side view of the rotating shaft shown in Fig. 5；
Fig. 7 is the side view of another rotating shaft shown in Fig. 5；
Fig. 8 is the structural representation of the motor rotor component according to the utility model embodiment three；
Fig. 9 is the structural representation of the rotating shaft of the structure shown in Fig. 8.
Reference：
100(100a、100b、100c)：Motor rotor component；
10(10a、10b、10c)：Rotating shaft；
11：Magnet ring installation portion；
12：Axle bearing mount portion；
13：The shaft shoulder；
131：Fluting；132：Variable weights；1321：Perforate；1322：Lightening grooves；133：Vacancy portion；
20：Magnet ring；
30：Bearing；
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
1 to Fig. 9 specifically describes the motor rotor component according to the utility model first aspect embodiment below in conjunction with the accompanying drawings
100。
Motor rotor component 100 according to the utility model embodiment includes rotating shaft 10, magnet ring 20 and bearing 30.It is specific and
Speech, rotating shaft 10 has along its axially extending magnet ring installation portion 11 and axle bearing mount portion 12, and magnet ring installation portion 11 is installed with bearing
It is provided with the shaft shoulder 13 between portion 12, at least a portion radial dimension of the shaft shoulder 13 is more than magnet ring installation portion 11 and axle bearing mount portion 12
Radial dimension, magnet ring 20 is arranged on magnet ring installation portion 11 and the side of magnet ring 20 is stopped to one end of the shaft shoulder 13, and bearing 30 is installed
On axle bearing mount portion 12 and the other end to the shaft shoulder 13 is stopped in the side of bearing 30.
In other words, the motor rotor component 100 is mainly made up of rotating shaft 10, magnet ring 20 and bearing 30, wherein, the edge of rotating shaft 10
Horizontal direction (left and right directions as depicted) extends, and rotating shaft 10 has the magnet ring installation portion being sequentially arranged along its length
11st, the shaft shoulder 13 and axle bearing mount portion 12, the i.e. shaft shoulder 13 are located between magnet ring installation portion 11 and axle bearing mount portion 12, and the shaft shoulder 13
At least partially (for example, one end of the neighbouring magnet ring 20 of the shaft shoulder 13 and bearing 30) outside dimension more than magnet ring installation portion 11 and
The outside dimension of axle bearing mount portion 12, magnet ring 20 is set on the magnet ring installation portion 11 of rotating shaft 10 and the side of magnet ring 20 is stopped and being against
One end (right-hand member as shown in Figure 1) of the shaft shoulder 13, realizes the location and installation of magnet ring 20, and bearing 30 is set in the bearing peace of rotating shaft 10
The other end (left end as shown in Figure 1) for being against the shaft shoulder 13 is stopped in the dress portion 12 and side of bearing 30, realizes the positioning of bearing 30
Install, so as to ensure that good assembly precision.
Because at least one of outside dimension of the shaft shoulder 13 is more than magnet ring installation portion 11 and the external diameter of axle bearing mount portion 12
Size, therefore, it can process (for example, fluting, variable weights etc.) by entering action balance to the shaft shoulder, not influence magnet ring 20 and axle
On the basis of holding 30 axially position, the dynamic balancing processing of rotating shaft can be realized, ensure that magnet ring 20 determines with the axial direction of bearing 30
Position on the basis of, ensure motor superperformance.
Thus, the motor rotor component 100 according to the utility model embodiment, the shaft shoulder 13 in rotating shaft 10 can realize magnetic
Ring 20 and the axially mounted positioning of bearing 30, increase the assembleability and uniformity of each part, it is ensured that motor rotor component 100
Dimensional accuracy, furthermore the shaft shoulder 13 acts on bearing 30, is easy to apply axial pre tightening force to bearing 30, it is ensured that bearing 30 is good to be made
With state, and can the shaft shoulder 13 of conveniently and efficiently countershaft 10 implement dynamic balancing measurement and processing, the operable row of production line is strong,
High precision, it is to avoid motor produces impact because dynamic balancing is excessive and is lost to bearing 30 in the process of running, can both ensure rotor
And the superperformance of motor, the operating efficiency of production line can be ensured again, be conducive to lifting motor homogeneity of product.
Alternatively, bearing 30 is metalwork, and the external diameter and the difference of the external diameter of magnet ring installation portion 11 of the one end of the shaft shoulder 13 are less than
Equal to 1/3rd of the thickness of magnet ring 20.
That is, the height of the shaft shoulder 13 is less than the 1/3 of the thickness of magnet ring 20, for example, the height of the shaft shoulder 13 is equal to magnet ring
1/4 of 20 thickness etc., it is ensured that after bearing 30 is assembled with rotating shaft 10, the side of the shaft shoulder 13 can act on the inner ring of bearing 30,
Mating reaction again is easy to apply axial pre tightening force to bearing 30, it is ensured that bearing 30 is good in the active force of the outer ring of bearing 30
Use state.
Advantageously, the shaft shoulder 13 is provided with the fluting 131 for being suitable to mitigate the weight of the shaft shoulder 13.That is, the outside of the shaft shoulder 13
Wall is provided with the fluting 131 caved inward for the lateral wall of the shaft shoulder 13, so as to mitigate the weight of rotating shaft 10, realizes rotating shaft 10
Dynamic balancing is processed.
Preferably, fluting 131 includes multiple, and multiple fluting 131 is respectively provided in the outside wall surface of the shaft shoulder 13 and along the shaft shoulder 13
Axially through.Reference picture 3, (left and right directions as shown in Figure 1) extends the shaft shoulder 13 in the horizontal direction, and the lateral wall of the shaft shoulder 13 sets
There is multiple along its circumferentially-spaced fluting 131 for opening arrangement, each fluting 131 is along the axially extending of the shaft shoulder 13, and each fluting 131
The two ends insertion shaft shoulder 13 end.Thus, by setting multiple flutings 131 on the shaft shoulder 13, the dynamic balancing of rotating shaft 10 is realized
Processing, it is ensured that the superperformance of rotor and motor, and processing, easy to manufacture, low production cost.
Wherein it is possible to position to the fluting 131 on the shaft shoulder 13, the depth of fluting 131, the length of fluting 131 and open
The control of the quantity of the groove 131 dynamic balancing effect good to realize shafting.This kind of dynamic balancing processing method is easy to operate, can implement
Property it is good, machining accuracy is high, it is to avoid motor in the process of running because dynamic balancing it is excessive to bearing 30 produce impact and be lost.
In some specific embodiments of the present utility model, the shaft shoulder 13 is provided with the heavy burden for being suitable to increase the weight of the shaft shoulder 13
Block 132, variable weights 132 are formed as annular and are set in the outside wall surface of the shaft shoulder 13.
Specifically, as shown in Figure 4 and Figure 5, rotating shaft 10 has axle bearing mount portion 12, the shaft shoulder 13 being sequentially arranged along its axial direction
With magnet ring installation portion 11, wherein, in the axial direction of the shaft shoulder 13, the middle part of the shaft shoulder 13 be provided with the negative of the outside wall surface that protrudes from the shaft shoulder 13
Pouring weight 132, and variable weights 132 form the annular of the circumferentially extending along the shaft shoulder 13, the thickness at an arbitrary position of variable weights 132 is homogeneous
Deng.Increase variable weights 132 on bearing 30, the dynamic balancing processing of rotating shaft 10 can be realized by way of increasing weight, it is ensured that
The superperformance of rotor and motor.
Advantageously, the axial length at middle part and variable weights 132 that variable weights 132 are located at the shaft shoulder 13 is less than the axial direction of the shaft shoulder 13
Length.Reference picture 5, variable weights 132 can be located at the side of the middle part of the shaft shoulder 13 and deflection axle bearing mount portion 12, it is also possible to be located at
The side of the deflection magnet ring installation portion 11 at the middle part of the shaft shoulder 13, on the basis of axially position of the magnet ring 20 with bearing 30 is ensured,
The dynamic balancing processing of rotating shaft 10 is realized, the performance of rotating shaft 10 and motor is effectively improved.
Alternatively, variable weights 132 are provided with multiple perforates 1321, and multiple perforates 1321 are respectively along the axial direction of variable weights 132
Insertion and open distribution along the circumferentially-spaced of variable weights 132.
Specifically, as shown in fig. 6, in the present embodiment, variable weights 132 form the annular of the circumferentially extending along the shaft shoulder 13,
Be provided with multiple along its circumferentially-spaced perforate 1321 for opening arrangement in variable weights 132, each perforate 1321 along variable weights 132 axial direction
Extension and two ends of insertion variable weights 132, wherein, the shape of cross section of perforate 1321 can form the circle of closing, many
Individual perforate 1321 can concentrate the side of deflection variable weights 132 to set, it is also possible to select suitable setting position according to actual needs
Put, so as to the dynamic balancing by realizing rotating shaft 10 is processed, it is ensured that the performance of rotating shaft 10 and motor, processing, easy to manufacture, production
Low cost.
Wherein it is possible to position, the depth of perforate 1321, the length of perforate 1321 to the perforate 1321 on variable weights 132
And the control of the quantity of the perforate 1321 dynamic balancing effect good to realize shafting.This kind of dynamic balancing processing method is easy to operate,
Exploitativeness is good, and machining accuracy is high.
Alternatively, according to one embodiment of the present utility model, the outside wall surface of variable weights 132 is provided with multiple lightening grooves
1322, multiple lightening grooves 1322 be respectively provided in the outside wall surface of variable weights 132 and along variable weights 132 axially through.
Specifically, the lateral wall of variable weights 132 is provided with multiple along its circumferentially-spaced lightening grooves 1322 for opening arrangement, and each subtracts
Baking soda 1322 along variable weights 132 axially extending and insertion variable weights 132 two ends, lightening grooves 1322 are relative to variable weights
The 132 inside groove of outside wall surface.
Concentrated as shown in fig. 7, in the present embodiment, on the lateral wall of variable weights 132 and be provided with three and circumferentially-spaced opened along its
The lightening grooves 1322 of arrangement, the shape of cross section of each lightening grooves 1322 forms Contraband shape of the opening towards outside, mitigate the shaft shoulder 13
Weight, so as to realize rotating shaft 10 dynamic balancing process, it is ensured that the superperformance of rotating shaft 10 and motor.
In other specific embodiments of the present utility model, the middle part in its axial direction of the shaft shoulder 13 is provided with vacancy portion
133, the radial dimension in vacancy portion 133 is equal with the radial dimension of magnet ring installation portion 11 and axle bearing mount portion 12.
Reference picture 8 and Fig. 9, rotating shaft 10 has to be pacified along axle bearing mount portion 12, the shaft shoulder 13 and the magnet ring that its axial direction is sequentially arranged
Dress portion 11, wherein, in the axial direction of the shaft shoulder 13, the middle part of the shaft shoulder 13 be provided with caving inward for outside wall surface relative to the shaft shoulder 13
Annular vacancy portion 133.
It is understood that rotating shaft 10 has two shaft shoulders 13 along its axially spaced arrangement, in two shaft shoulders 13
One (shaft shoulder 13 positioned at left side as shown in Figure 8) neighbouring axle bearing mount portion 12 is set, and bearing 30 is set in axle bearing mount portion
The left end of the shaft shoulder 13 positioned at left side in two shaft shoulders 13 is stopped on the 12 and side (right side as shown in Figure 8) of bearing 30,
Another (shaft shoulder 13 positioned at right side as shown in Figure 8) neighbouring magnet ring installation portion 11 in two shaft shoulders 13 is set, magnet ring 20
Be set on magnet ring installation portion 11 and magnet ring 20 side (left side as shown in Figure 8) stop be against in two shaft shoulders 13 positioned at the right side
The right-hand member of the shaft shoulder 13 of side.
Thus, weight is removed to form vacancy portion 133 by the middle part of the shaft shoulder 13 of countershaft 10, axle can be mitigated
The weight of shoulder 13.So as to the dynamic balancing measurement for realizing rotating shaft 10 is processed, it is ensured that the superperformance of rotating shaft 10 and motor.
Alternatively, the radial dimension of one end of the neighbouring magnet ring 20 of the shaft shoulder 13 is less than the radial direction of the other end of neighbouring bearing 30
Size.
That is, rotating shaft 10 has axle bearing mount portion 12, the shaft shoulder 13 and the magnet ring installation portion being sequentially arranged along its axial direction
11, wherein the shaft shoulder 13 include two, two shaft shoulders 13 along rotating shaft 10 axially spaced arrangement and be respectively positioned on axle bearing mount portion 12
Between magnet ring installation portion 11, the outside dimension of the shaft shoulder 13 of the neighbouring magnet ring installation portion 11 in two shaft shoulders 13 is less than two axles
The outside dimension of the shaft shoulder 13 of the neighbouring axle bearing mount portion 12 in shoulder 13, is realizing the base of bearing 30 and the axially position of magnet ring 20
On plinth, enter action balance processing, so as to ensure the superperformance of rotating shaft 10 and motor.
Alternatively, the outside wall surface of the shaft shoulder 13 is provided with multiple rivets.By in the outside wall surface of the shaft shoulder 13, rivet is set, can
Processed with entering action balance by way of increasing the weight of the shaft shoulder 13, assembling is easy, easy to operate, it is ensured that rotating shaft 10 and electricity
The superperformance of machine.
Explanation is needed exist for, rotating shaft 10 can be using the processing of nonmetallic and metal material, manufacture, can be by metal material
And other materials processing and manufacturing, when being processed using metal material, it is contemplated that the magnetic conduction of metal is acted on, it is necessary to reduce by rotating shaft 10
Produced leakage field, lifts effective magnetic efficiency of magnet ring 20.Bearing 30 can be ball bearing, and be pacified using the mode such as being organized in pairs
On bearing 30, magnet ring 20 can be permanent magnet, such as magnetic Nd-Fe-B ring 20 etc..
The motor rotor component 100 according to the utility model embodiment is specifically described with reference to multiple embodiments.
Embodiment one
As shown in Figure 1 to Figure 3, in the present embodiment, motor rotor component 100a is main by rotating shaft 10a, bearing 30, magnet ring
20 compositions, wherein rotating shaft 10a has axle bearing mount portion 12, the shaft shoulder 13 and the magnet ring installation portion 11 being sequentially arranged along its axial direction, axle
The left end of shoulder 13 is connected with axle bearing mount portion 12, and the right-hand member of the shaft shoulder 13 is connected with magnet ring installation portion 11, and the shaft shoulder 13 is formed along rotating shaft
10a's is axially extending cylindric, and the outside dimension of the shaft shoulder 13 is outer more than axle bearing mount portion 12 and magnet ring installation portion 11
Footpath size, bearing 30 is arranged on axle bearing mount portion 12 and stops to so as to the axial direction for realizing bearing 30 is determined with the left end of the shaft shoulder 13
Position, magnet ring 20 be arranged on magnet ring installation portion 11 on and with the right-hand member of the shaft shoulder 13 stop to, so as to realize the axially position of magnet ring 20, its
In, fluting 131 can be set on the shaft shoulder 13, so as to realize the dynamic balancing processing of rotating shaft 10a by way of loss of weight, it is ensured that motor
Superperformance.
Embodiment two
As shown in Figures 4 to 7, in the present embodiment, motor rotor component 100b is main by rotating shaft 10b, bearing 30, magnet ring
20 compositions, wherein rotating shaft 10b has axle bearing mount portion 12, the shaft shoulder 13 and the magnet ring installation portion 11 being sequentially arranged along its axial direction, axle
The left end of shoulder 13 is connected with axle bearing mount portion 12, and the right-hand member of the shaft shoulder 13 is connected with magnet ring installation portion 11, and the shaft shoulder 13 is formed along rotating shaft
10b's is axially extending cylindric, and the middle part of the shaft shoulder 13 is provided with the ring-type variable weights 132 circumferentially extended along it, variable weights 132
Outside dimension of the outside dimension more than the shaft shoulder 13, and the left end of the shaft shoulder 13 and the outside dimension of right-hand member are respectively greater than correspondence position
Axle bearing mount portion 12 and magnet ring installation portion 11 outside dimension, bearing 30 be arranged on axle bearing mount portion 12 on and with the shaft shoulder 13
Left end stop to, so as to realize the axially position of bearing 30, magnet ring 20 be arranged on magnet ring installation portion 11 and with the right side of the shaft shoulder 13
End is only supported, and so as to realize the axially position of magnet ring 20, thus, variable weights 132 is set on the shaft shoulder 13, the reality by way of weightening
The dynamic balancing processing of existing rotating shaft 10b, wherein, the variable weights 132 of the shaft shoulder 13 can set lightening grooves 1322 or perforate 1321, from
Further realize the dynamic balancing processing of rotating shaft 10b, it is ensured that the superperformance of rotating shaft 10b and motor.
Embodiment three
As shown in Figure 8 and Figure 9, in the present embodiment, motor rotor component 100c is main by rotating shaft 10c, bearing 30, magnet ring
20 compositions, wherein rotating shaft 10c has axle bearing mount portion 12, the shaft shoulder 13 and the magnet ring installation portion 11 being sequentially arranged along its axial direction, axle
The left end of shoulder 13 is connected with axle bearing mount portion 12, and the right-hand member of the shaft shoulder 13 is connected with magnet ring installation portion 11, and the shaft shoulder 13 is formed along rotating shaft
10c's is axially extending cylindric, and the middle part of the shaft shoulder 13 is provided with along its circumferentially extending and the vacancy portion 133 that caves inward, will
The shaft shoulder 13 is divided into two ends arranged spaced apart, and the part positioned at left side of the shaft shoulder 13 is set and outside the section adjacent to axle bearing mount portion 12
Footpath size more than axle bearing mount portion 12 outside dimension, the part positioned at right side of the shaft shoulder 13 set adjacent to magnet ring installation portion 11 and
This section of outside dimension more than magnet ring installation portion 11 outside dimension, bearing 30 be arranged on axle bearing mount portion 12 and with the shaft shoulder 13
Left end stop to, so as to realize the axially position of bearing 30, magnet ring 20 be arranged on magnet ring installation portion 11 and with the right-hand member of the shaft shoulder 13
Only support, so as to realize the axially position of magnet ring 20, wherein, vacancy portion 133 is set on the shaft shoulder 13, so as to the reality by way of loss of weight
The dynamic balancing processing of existing rotating shaft 10c, it is ensured that the superperformance of rotating shaft 10c and motor.
Thus, the shaft shoulder 13 in rotating shaft 10 can realize the axially mounted positioning of magnet ring 20 and bearing 30, increase each part
Assembleability and uniformity, it is ensured that the dimensional accuracy of motor rotor component 100, it is ensured that the operating efficiency of production line, lifting electricity
Machine homogeneity of product.Furthermore, by setting fluting 131, variable weights 132 or vacancy portion 133 on the shaft shoulder 13, in variable weights
On 132 set perforate 1321, lightening grooves 1322, can conveniently and efficiently countershaft 10 the shaft shoulder 13 implement dynamic balancing measurement and add
Work, the operable row of production line is strong, high precision, it is to avoid motor bearing 30 is produced because dynamic balancing is excessive in the process of running impact and
Loss.
According to the motor (not shown) of the utility model second aspect embodiment, including above-described embodiment rotor group
Part 100.Due to there is above-mentioned technique effect according to the motor rotor component 100 of the utility model embodiment, therefore, according to this reality
With the motor of the new embodiment also simple structure with above-mentioned technique effect, the i.e. motor, compact, dynamic balancing processing is simple,
Convenient, production line is workable, and production efficiency is high, and good product consistency, overall performance is high, and cost performance is high.
Alternatively, motor is permanent magnetic brushless.I.e. the permanent magnetic brushless is by using above-mentioned motor rotor component
100, dynamic balancing processing is simple, convenient, so as to lift the production efficiency of permanent magnetic brushless, it is ensured that the entirety of permanent magnetic brushless
Performance.
Other compositions of motor rotor component 100 and motor according to the utility model embodiment and operation are for this
All it is known for the those of ordinary skill of field, is not detailed herein.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just
Described with simplified in description the utility model, must be with specific side rather than the device or element for indicating or imply meaning
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " is meant that two or two
More than, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, above-mentioned term can as the case may be understood
Concrete meaning in the utility model.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Combined in an appropriate manner in one or more any embodiments or example.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the range of the utility model, change, replace and
Modification.
Claims (13)
1. a kind of motor rotor component, it is characterised in that including：
Rotating shaft, the rotating shaft has along its axially extending magnet ring installation portion and axle bearing mount portion, the magnet ring installation portion and institute
State and be provided between axle bearing mount portion the shaft shoulder, at least a portion radial dimension of the shaft shoulder is more than the magnet ring installation portion and described
The radial dimension of axle bearing mount portion；
Magnet ring, the magnet ring is arranged on the magnet ring installation portion and the side of the magnet ring is stopped to one end of the shaft shoulder；
Bearing, the bearing is arranged on the axle bearing mount portion and the other end to the shaft shoulder is stopped in the side of the bearing.
2. motor rotor component according to claim 1, it is characterised in that the bearing is metalwork, the shaft shoulder one
The external diameter at end is less than or equal to 1/3rd of the magnet ring thickness with the difference of the external diameter of the magnet ring installation portion.
3. motor rotor component according to claim 1, it is characterised in that the shaft shoulder is provided with and is suitable to mitigate the axle
The fluting of shoulder weight.
4. motor rotor component according to claim 3, it is characterised in that the fluting includes multiple, opens described in multiple
Groove be respectively provided in the outside wall surface of the shaft shoulder and along the shaft shoulder axially through.
5. motor rotor component according to claim 1, it is characterised in that the shaft shoulder is provided with and is suitable to increase the axle
The variable weights of shoulder weight, the variable weights are formed as annular and are set in the outside wall surface of the shaft shoulder.
6. motor rotor component according to claim 5, it is characterised in that the variable weights are located at the middle part of the shaft shoulder
And the axial length of the variable weights is less than the axial length of the shaft shoulder.
7. motor rotor component according to claim 5, it is characterised in that the variable weights are provided with multiple perforates, many
The individual perforate opens distribution along the variable weights axially through and along the circumferentially-spaced of the variable weights respectively.
8. motor rotor component according to claim 5, it is characterised in that the outside wall surface of the variable weights is provided with multiple
Lightening grooves, multiple lightening grooves be respectively provided in the outside wall surface of the variable weights and along the variable weights axially through.
9. motor rotor component according to claim 1, it is characterised in that shaft shoulder middle part in its axial direction is provided with
Vacancy portion, the radial dimension in the vacancy portion is equal with the radial dimension of the magnet ring installation portion and the axle bearing mount portion.
10. motor rotor component according to claim 9, it is characterised in that the one of the neighbouring described magnet ring of the shaft shoulder
The radial dimension at end is less than the radial dimension of the other end of the neighbouring bearing.
11. motor rotor components according to claim 1, it is characterised in that the outside wall surface of the shaft shoulder is provided with multiple
Rivet.
12. a kind of motors, it is characterised in that including the motor rotor component any one of claim 1-11.
13. motors according to claim 12, it is characterised in that the motor is permanent magnetic brushless.
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| CN201621273020.7U CN206226199U (en) | 2016-11-23 | 2016-11-23 | Motor rotor component and the motor with it |
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| CN201621273020.7U CN206226199U (en) | 2016-11-23 | 2016-11-23 | Motor rotor component and the motor with it |
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| CN206226199U true CN206226199U (en) | 2017-06-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374672A (en) * | 2016-11-23 | 2017-02-01 | 广东威灵电机制造有限公司 | Motor rotor assembly and motor with assembly |
-
2016
- 2016-11-23 CN CN201621273020.7U patent/CN206226199U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374672A (en) * | 2016-11-23 | 2017-02-01 | 广东威灵电机制造有限公司 | Motor rotor assembly and motor with assembly |
| CN106374672B (en) * | 2016-11-23 | 2021-08-03 | 广东威灵电机制造有限公司 | Motor rotor assembly and motor with same |
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