CN209505429U - A kind of hub motor, automotive wheel and automobile - Google Patents
A kind of hub motor, automotive wheel and automobile Download PDFInfo
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- CN209505429U CN209505429U CN201822119258.XU CN201822119258U CN209505429U CN 209505429 U CN209505429 U CN 209505429U CN 201822119258 U CN201822119258 U CN 201822119258U CN 209505429 U CN209505429 U CN 209505429U
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- bearing
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Abstract
This application discloses a kind of hub motor, automotive wheel and automobile, which includes: central axis；First bearing is arranged on center shaft；Stator is located at the axially different position of central axis with first bearing；Motor housing is rotatably coupled by first bearing and central axis, and circumferentially arranged on the outside of motor housing to have multiple lug bosses, the end of multiple lug bosses extends to side of the first bearing far from stator；Rotor is fixedly connected with motor housing, and rotor and stator are located inside motor housing；And wheel hub, positioned at the outside of motor housing, and the inner surface of wheel hub is abutted with multiple lug bosses.By the above-mentioned means, the radially outward force suffered by wheel hub can be transmitted in first bearing by the application by motor housing, wheel hub and motor housing deformation extent are reduced, reduces the influence to the gap between rotor and stator.
Description
Technical field
This application involves vehicle traction part fields, more particularly to a kind of hub motor, automotive wheel and automobile.
Background technique
Hub motor technology is also referred to as wheel inner electric machine technology, its maximum feature is exactly by power device, passes
Dynamic device and brake apparatus are all integrated into wheel hub, are able to the mechanical part of electric vehicle is greatly simplified.
Present inventor has found that the rotor of hub motor is typically directly installed in the research process to the prior art
On wheel hub.It in this case, can be between the rotor and stator to hub motor when wheel hub is deformed by external force
Gap generate large effect.
Utility model content
The application provides a kind of hub motor, automotive wheel and automobile, above-mentioned deforms when wheel hub by external force to solve
When the problem of gap between motor stator and rotor being produced bigger effect.
In order to solve the above technical problems, the technical solution that the application uses is: providing a kind of hub motor, the wheel hub
Motor includes: central axis；First bearing is set on the central axis；Stator is set on the central axis, and with it is described
First bearing is located at the axially different position of the central axis；Motor housing, can by the first bearing and the central axis
It rotationally connects, circumferentially arranged on the outside of the motor housing to have multiple lug bosses, the end of the multiple lug boss extends to
Side of the first bearing far from the stator；Rotor is fixedly connected with the motor housing, and the rotor ring is around described fixed
Son setting, and the rotor and the stator are located inside the motor housing；And wheel hub, positioned at the motor housing
Outside, and the inner surface of the wheel hub is abutted with the multiple lug boss.
In order to solve the above technical problems, another technical solution that the application uses is: a kind of automotive wheel is provided, it is described
Automotive wheel includes hub motor as described above.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of automobile, the automobile
Including hub motor as described above.
The beneficial effect of the application is: by being arranged first bearing on center shaft, motor housing by first bearing with
Central axis is rotatably connected, and wheel hub is further provided with multiple lug bosses in the outside of motor housing on the outside of motor housing,
So that multiple lug bosses are abutted against with hub inner surface, and the end of multiple lug bosses extends to one of first bearing far from stator
Side.So as to which radially outward force suffered by wheel hub to be transmitted in first bearing by motor housing, rather than directly acts on and turn
On son, wheel hub and motor housing deformation extent are reduced, reduces the influence to the gap between rotor and stator.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the application hub motor.
Fig. 2 is the structural schematic diagram of one embodiment of the application hub motor internal structure.
Fig. 3 is the schematic diagram of the structure of one embodiment of rear shell of the motor housing of the application hub motor.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiment of the application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the novel protected range of the application.
Term " first ", " second " in the application are used for description purposes only, and are not understood to indicate or imply opposite
Importance or the quantity for implicitly indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be bright
Show or implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.The directional instruction of institute in the embodiment of the present application (such as upper and lower, left,
It is right, forward and backward ...) be only used for explain under a certain particular pose (as shown in the picture) between each element relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.In addition, term
" comprising " and " having " and their any deformations, it is intended that cover and non-exclusive include.Such as contain series of steps
Or the process, method, system, product or equipment of element, it is not limited to listed step or element, but is optionally also wrapped
Include the step of not listing or element, or optionally further comprising other steps intrinsic for these process, methods, product or equipment
Rapid or element.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " be arranged exist ... on " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removably connect
It connects, or is integrally connected；It can be mechanical connection；It can be and be directly connected to, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand above-mentioned art
The concrete meaning of language in this application.
With reference to Fig. 1 and Fig. 2, which includes: central axis 10, first bearing 20, stator 30, motor housing 40, turns
Son 50 and wheel hub 60.
The central axis 10 is used to support the part of hub motor, it may also be used for connection suspension.First bearing 20
It is arranged on the center shaft 10, first bearing 20 can be rolling bearing or sliding bearing etc..Stator 30 is set in central axis 10
On, and it is located at first bearing 20 the axially different position of central axis 10, for example, stator 30 is arranged in first bearing in Fig. 1
20 left side.
Motor housing 40 is rotatably coupled by first bearing 20 with central axis 10, motor housing 40 and first bearing 20
Between can be interference fit etc. modes connect.Optionally, motor housing 40 can be integrated molding or combination forming, motor
The outside of shell 40 is circumferentially arranged multiple lug bosses 41, and multiple lug bosses 41, which can be, to be evenly spaced apart to be arranged outside motor
On the periphery wall of shell 40.Optionally, the quantity of lug boss 41 can be more than or equal to 5, but such as 5 or 8.Optionally,
Multiple lug bosses 41 can be integrally formed with motor housing 40 or are composed by modes such as welding.It is further multiple convex
Rise portion 41 end extend to side of the first bearing 20 far from stator 30, it is possible to understand that the end of multiple lug bosses 41 just with
First bearing 20 is flush far from the side of stator 30 or the side beyond first bearing 20 far from stator 30.
Rotor 50 is fixedly connected around stator 30 and with motor housing 40, and rotor 50 can be interference with motor housing 40 and match
It closes or is fixedly connected by multiple plug-in units (such as pin).Rotor 50 and stator 30 are located inside motor housing 40, in some realities
It applies in example, stator 30 is arranged to be fixedly connected on the center shaft 10, can be equipped with the silicon steel sheet stacked thereon, and silicon steel sheet is equipped with coil
Winding.The material of rotor 50 is also the silicon steel sheet stacked.When the logical upper alternating current of coil windings, magnetic field can produce, according to spy
Different magnetic circuit principle and drive rotor 50 to rotate, and then the electrode shell being fixedly connected with rotor 50 is driven to rotate.In other realities
It applies in example, coil windings can also be equipped on rotor 50, the core material of stator 30 is set as permanent magnet.The hub motor
Wheel hub 60 is located at the outside of motor housing 40, and the inner surface of wheel hub 60 is abutted with multiple lug bosses 41.Wheel hub 60 and motor
Shell 40 can be fixedly connected by being interference fitted or passing through plug-in unit (such as peg etc.), to be driven by motor housing 40
Wheel hub 60 rotates.
By being arranged first bearing 20 on the center shaft 10, motor housing 40 can be turned by first bearing 20 with central axis 10
Dynamic connection, wheel hub 60 is in the outside of motor housing 40, and further the outside of motor housing 40 is provided with multiple lug bosses 41, makes
Multiple lug bosses 41 connect with 60 contacted inner surfaces of wheel hub, and the end of multiple lug bosses 41 extend to first understand bearing 20 it is separate
The side of stator 30.So as to which radially outward force suffered by wheel hub 60 is transmitted in first bearing 20 by motor housing 40,
Wheel hub 60 and 40 deformation extent of motor housing are reduced, the influence to the gap between rotor 50 and stator 30 is reduced.
In some embodiments, as shown in Fig. 2, stator 30 may include stator support 31 and iron core 32.31 sets of stator support
If on the center shaft 10 and supporting iron core 32.Stator support 31 can be used the material for having good strength and stiffness and be made,
Such as steel or cast iron etc..Iron core 32 can be built up using the good material of magnetic conduction (such as silicon steel sheet etc.), can shape between iron core 32
At equally distributed slot for accommodating coil windings.
With continued reference to Fig. 2, optionally, stator support 31 can be spoke-like structure, such as can be designed to star-like spoke or
Person's Y type spoke etc..By the way that 30 bracket of stator is set as spoke-like structure, the weight of motor can be mitigated, and save making material.
Stator 30 may also include multiple first reinforcing ribs 33.Each first reinforcing rib 33 is arranged on the spoke of spoke-like structure, and therefrom
Mandrel 10 extends to iron core 32.Multiple first reinforcing ribs 33 further enhance the structural strength of stator 30, to realize good
Support.
In some embodiments, hub motor may also include second bearing 21.Second bearing 21 is arranged on the center shaft 10,
And it is located at side of the stator 30 far from first bearing 20, second bearing 21 can be same or different with 20 structure of first bearing, only
It wants that motor housing 40 can be made to rotate relative to central axis 10.Optionally, motor housing 40 may include front housing 42 and rear shell 43, preceding
Shell 42 is connect to form the accommodating space for accommodating rotor 50 and stator 30 with rear shell 43, and connection type can be interference fit
Or connected by fixing piece etc..Front housing 42 is rotatably coupled by second bearing 21 with central axis 10, and rear shell 43 passes through the
One bearing 20 is rotatably coupled with central axis 10.In some embodiments, rotor 50 can be fixedly connected with rear shell 43, example
Such as, by being interference fitted or passing through pin mode etc..Rotor 50 is rotated by stator 30 and drives rear shell 43
Rotation is further driven to the front housing 42 connecting with rear shell 43 rotation, so that entire motor housing 40 and wheel hub 60 be driven to rotate.?
In some embodiments, as shown in Figure 1, the peripheral wall of front housing 42 is arranged around rear shell 43, and multiple lug bosses 41 are arranged in front housing 42
Peripheral wall on.It is appreciated that in further embodiments, the peripheral wall of rear shell 43 is arranged around front housing 42, and multiple lug bosses 41
It is arranged on the peripheral wall of rear shell 43.That is lug boss 41 can be a part of the front housing 42 of motor housing 40, can also be with
For a part of rear shell 43.Turn of motor housing 40 and wheel hub 60 can be driven by the rotation of rotor 50 through the above way
It is dynamic.
In some embodiments, as shown in figure 3, motor housing 40 further includes multiple second reinforcing ribs 44, multiple second add
The circumferential position of the corresponding multiple lug bosses 41 of rear shell 43 is arranged in strengthening tendons 44.Multiple second reinforcing ribs 44 prolong from first bearing 20
Multiple lug bosses 41 are extended to, optionally, can be hollowed out at the position to the corresponding stator 30 of the second reinforcing rib 44 to form accommodating
Groove can be used for placing the coil windings of stator 30, it will be understood that the containing groove, which rotates to have no effect on rear shell 43, to be determined
The coil windings of son 30.The intensity of motor housing 40 radially can be enhanced in second reinforcing rib 44, so that motor housing 40
Preferably radial support can be provided to wheel hub 60, reduce the change of motor housing 40 and wheel hub 60 under external radial forces
Shape.
Optionally, in some embodiments, as shown in Fig. 2, hub motor further includes multiple being circumferentially arranged along rotor 50
Fixing piece 70, such as can be pin or bolt etc..Optionally, fixing piece 70 can be respectively perpendicular the end face of rotor 50 with
43 end face of rear shell and fixed rotor 50 and rear shell 43, it is relatively sliding that multiple fixing pieces 70 can prevent rotor 50 and rear shell 43 from occurring
It is dynamic.Certainly, in further embodiments, multiple fixing pieces 70 can be used for connecting rotor 50 and front housing 42, rather than rear shell 43.
It can be fixedly connected through the above way by rotor 50 with front housing 42 or rear shell 43, to drive 40 turns of entire motor housing
It is dynamic.
In some embodiments, with reference to Fig. 1 and Fig. 2, hub motor may also include multiple fasteners 80, such as can be spiral shell
Nail or bolt etc., the quantity of multiple fasteners 80 is identical as the quantity of multiple lug bosses 41.Optionally, wheel hub 60 may include wheel
Hub shell 61 and the annular flange 62 extended along hub shell 61 towards central axis 10, and the inner surface of hub shell 61 with it is multiple convex
The outer peripheral surface for playing portion 41 abuts, and annular flange 62 is abutted with the end face of multiple lug bosses 41.Multiple lug bosses 41 are opened up along center
The axially extending through-hole of axis 10, multiple fasteners 80 pass through annular flange 62 and through-hole, and by wheel hub 60 and motor housing
40 are fixedly connected.Optionally, fastener 80 can be the combination of nuts and bolt, and the outer wall of bolt is equipped with external screw thread, protrusion
Internal screw thread is equipped in the through-hole in portion 41, fastener 80 and the through-hole of lug boss 41 are fixed by threaded engagement, to be fixedly connected
Wheel hub 60 and motor housing 40.
In some embodiments, as shown in Figure 1, hub motor can also be equipped with brake disc 90.During the brake disc 90 is set in
It is fixedly connected in mandrel 10 with 50 shell of rotor, and is located at side of the first bearing 20 far from rotor 50.In this way, may be used
Brake disc 90 is placed on position of the hub motor rest without influencing suspension.
It should be appreciated that above-mentioned items structure does not represent all components of hub motor, which can also be arranged
The promising other components for completing its function, such as central axis support sleeve, chuck etc..
The application also provides a kind of automotive wheel, which includes any hub motor as above, mutually inside the Pass
The detailed description of appearance refers to above-mentioned Fig. 1 to Fig. 3 and corresponding explanatory note.
The application also provides a kind of automobile, which includes any hub motor as above, related content it is detailed
Illustrate to refer to above-mentioned Fig. 1 to Fig. 3 and corresponding explanatory note.
The foregoing is merely the novel embodiments of the application, are not intended to limit the novel the scope of the patents of the application, all
It is directly or indirectly to be used using equivalent structure or equivalent flow shift made by the novel specification of the application and accompanying drawing content
It similarly include in the novel scope of patent protection of the application in other related technical areas.
Claims (10)
1. a kind of hub motor characterized by comprising
Central axis；
First bearing is set on the central axis；
Stator is set on the central axis, and the axially different position of the central axis is located at the first bearing；
Motor housing is rotatably coupled by the first bearing and the central axis, on the outside of the motor housing circumferentially
Multiple lug bosses are provided with, the end of the multiple lug boss extends to side of the first bearing far from the stator；
Rotor is fixedly connected with the motor housing, and the rotor ring is arranged around the stator, and the rotor and described fixed
Son is located inside the motor housing；And
Wheel hub, positioned at the outside of the motor housing, and the inner surface of the wheel hub is abutted with the multiple lug boss.
2. hub motor according to claim 1, which is characterized in that the stator includes stator support and iron core, described
Stator support is set on the central axis and supports the iron core.
3. hub motor according to claim 2, which is characterized in that the stator support is spoke-like structure, described fixed
Son further includes multiple first reinforcing ribs, and each first reinforcing rib is arranged on the spoke of the spoke-like structure.
4. hub motor according to claim 1, which is characterized in that further include:
Second bearing, the second bearing are set on the central axis, and are located at the stator far from the first bearing
Side；
Wherein, the motor housing includes front housing and rear shell, and the front housing connect described for accommodating to be formed with the rear shell
The accommodating space of rotor and the stator, the front housing are rotatably coupled by the second bearing and the central axis, institute
Rear shell is stated to be rotatably coupled by the first bearing and the central axis；
Wherein, the peripheral wall of the front housing is arranged around the rear shell, and the peripheral wall of the front housing is arranged in the multiple lug boss
On；Alternatively, the peripheral wall of the rear shell is arranged around the front housing, and the peripheral wall of the rear shell is arranged in the multiple lug boss
On.
5. hub motor as claimed in claim 4, it is characterised in that:
The motor housing further includes multiple second reinforcing ribs, described in the setting of the multiple second reinforcing rib is corresponding in the rear shell
The circumferential position of lug boss, and the lug boss is extended to from the first bearing.
6. hub motor according to claim 4, it is characterised in that:
It further include multiple fixing pieces being circumferentially arranged along the rotor；
Wherein, the multiple fixing piece is fixedly connected described in the rotor and the rear shell or the connection of the multiple fixing piece
Rotor and the front housing.
7. hub motor according to claim 1, which is characterized in that further include multiple fasteners, in which:
The wheel hub includes hub shell and the annular flange that extends along the hub shell towards the central axis, wherein described
The inner surface of hub shell is abutted with the outer peripheral surface of the multiple lug boss, and the annular flange and the multiple lug boss
End face abuts；
The multiple lug boss opens up the axially extending through-hole along the central axis, and the fastener passes through the annular flange
And the through-hole, and the wheel hub and the motor housing are fixedly connected.
8. hub motor according to claim 1, which is characterized in that further include:
Brake disc, the brake disc are set on the central axis and are fixedly connected with the rotor case, and are located at described first
Side of the bearing far from the rotor.
9. a kind of automotive wheel, which is characterized in that the automotive wheel includes the described in any item wheel hub electricity of claim 1-8
Machine.
10. a kind of automobile, which is characterized in that the automobile includes the described in any item hub motors of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119258.XU CN209505429U (en) | 2018-12-14 | 2018-12-14 | A kind of hub motor, automotive wheel and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119258.XU CN209505429U (en) | 2018-12-14 | 2018-12-14 | A kind of hub motor, automotive wheel and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209505429U true CN209505429U (en) | 2019-10-18 |
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ID=68195279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822119258.XU Active CN209505429U (en) | 2018-12-14 | 2018-12-14 | A kind of hub motor, automotive wheel and automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN209505429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389189A (en) * | 2020-11-02 | 2021-02-23 | 浙江旺得福车业有限公司 | Hub motor for unmanned vehicle |
| CN112810691A (en) * | 2021-03-15 | 2021-05-18 | 奇瑞汽车股份有限公司 | Electric steering column worm gear mechanism, electric steering system and vehicle |
-
2018
- 2018-12-14 CN CN201822119258.XU patent/CN209505429U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389189A (en) * | 2020-11-02 | 2021-02-23 | 浙江旺得福车业有限公司 | Hub motor for unmanned vehicle |
| CN112810691A (en) * | 2021-03-15 | 2021-05-18 | 奇瑞汽车股份有限公司 | Electric steering column worm gear mechanism, electric steering system and vehicle |
| CN112810691B (en) * | 2021-03-15 | 2022-11-29 | 奇瑞汽车股份有限公司 | Electric steering column worm gear mechanism, electric steering system and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 233000 building 4, national financial incubation Industrial Park, 17 Yannan Road, high tech Zone, Bengbu City, Anhui Province Patentee after: Dafu Technology (Anhui) Co., Ltd Address before: 518104, Guangdong, Shenzhen province Baoan District manhole street, oyster Road, manhole Industrial Company Third Industrial Zone, A1, A2, A3 101, A4 first, second, third layers Patentee before: SHENZHEN TATFOOK TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |