CN208593290U - A kind of hub motor and electric car - Google Patents
A kind of hub motor and electric car Download PDFInfo
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- CN208593290U CN208593290U CN201821317508.4U CN201821317508U CN208593290U CN 208593290 U CN208593290 U CN 208593290U CN 201821317508 U CN201821317508 U CN 201821317508U CN 208593290 U CN208593290 U CN 208593290U
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Abstract
The utility model discloses a kind of hub motor and electric car, is related to electric vehicle engineering field.Hub motor is made of wheel hub, axle, installation axle, motor driven assembly and brake assembly, installation axle is fixedly connected with axis, the connection of the wheel rim of motor driven assembly and wheel hub, motor driven assembly and brake assembly are cascading on the mounting shaft along the axial direction of installation axle.Hub motor can solve the problems, such as that electric car conventional boss motor integrated level is low and the practicability is poor.
Description
Technical field
The utility model relates to electric vehicle engineering fields, in particular to a kind of hub motor and electric car.
Background technique
It is applied to the power drive unit of existing New-energy electric vehicle at present, generally the torque of motor output is through speed change
Device, transmission shaft, differential mechanism and semiaxis are ultimately transferred to driving wheel.Structure is complicated in entire transmission system, to cause entirety
Transmission efficiency have greatly waste transmission system inside, reduce whole transmission efficiency.
Hub motor is that motor is installed in wheel, and outstanding advantages are by power device, transmission device and braking dress
Set the mechanical part for being integrated into simplify electric car in wheel hub together.But existing wheel motor drive device and system
Dynamic device over all Integration degree is low, and practicability is poor.
Utility model content
First of the utility model is designed to provide a kind of hub motor, solves electric car conventional boss motor collection
It is low and the problem of the practicability is poor at spending.
Second of the utility model is designed to provide a kind of electric car, solve traditional electric vehicle structure complexity and
The low problem of transmission efficiency.
The embodiments of the present invention are achieved in that
A kind of hub motor, including wheel hub and axle, further includes:
Installation axle, installation axle are fixedly connected with axle；
The wheel rim of motor driven assembly, motor driven assembly and wheel hub connects；And
Brake assembly；
Motor driven assembly and brake assembly are cascading on the mounting shaft along the axial direction of installation axle.
Inventors have found that existing hub motor is designed using traditional radially outer rotor structure, it is contemplated that have in wheel hub
The installation space of limit, the axial dimension of motor is limited, causes the torque of the output of motor smaller, is difficult to meet electric car to turning
The requirement of square and revolving speed.To meet the needs of electric car output torque and revolving speed, the axial dimension of motor can only be increased,
This leads to that the motor can only be installed in the entire limited installation space of wheel hub, is bound to cause the waste in space.Therefore existing skill
The radial magnetic field wheel motor drive device integrated level of art is lower, practicability is poor.
Inventor devise above-mentioned hub motor, motor driven assembly and brake assembly along installation axle axial direction successively
It is stacked on the mounting shaft, installation axle is fixed on axle, and motor driven assembly is connect with wheel hub provides power, this axial direction
The hub motor of setting greatly enhances the over all Integration degree of hub motor, can meet well electric car to torque and
The demand of revolving speed, while having simplified structure.
Further, in an embodiment of the present invention:
Motor driven assembly includes electric machine casing, stator and rotor, and stator includes stator retainer and stator winding；
Electric machine casing is arranged on the mounting shaft, and stator and rotor are arranged in electric machine casing；
Stator retainer is arranged on the mounting shaft, and stator winding is wound in stator retainer.
Further, in an embodiment of the present invention:
Electric machine casing is connect with wheel rim.
Further, in an embodiment of the present invention:
Brake assembly includes brake disc, friction plate and caliper；
Brake disc is connect with wheel hub, and caliper is fixedly connected with installation axle；
Caliper has jaw, and brake disc is arranged in jaw, and friction plate is arranged between caliper and brake disc, friction
Piece is configured to that brake disc can be clamped under the promotion of caliper.
Further, in an embodiment of the present invention:
The quantity of friction plate is two panels.
Further, in an embodiment of the present invention:
Stator quantity is two, and rotor quantity is one, and a rotor is arranged between two stators.
Further, in an embodiment of the present invention:
Rotor quantity is two, and stator quantity is one, and a stator is arranged between two rotors.
Further, in an embodiment of the present invention:
It further include bearing；
Wheel hub is rotatablely connected by bearing and axle.
Further, in an embodiment of the present invention:
Installation axle is multi-diameter shaft, multi-diameter shaft be configured to can along installation axle axial direction positioning motor drive assembly and
Bearing.
A kind of electric car, electric car have above-mentioned hub motor.
The technical solution of the utility model at least has the following beneficial effects:
A kind of hub motor provided by the utility model can be improved hub motor over all Integration degree, meet electric car
Functional need.
A kind of electric car provided by the utility model can well solve traditional electric vehicle structure complexity and transmission
The problem of low efficiency.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is structural schematic diagram of the hub motor under the first visual angle in the utility model embodiment 1；
Fig. 2 is structural schematic diagram of the hub motor under the second visual angle in the utility model embodiment 1；
Fig. 3 is the structural schematic diagram of wheel hub in the utility model embodiment 1；
Fig. 4 is the structural schematic diagram of hub motor in the utility model embodiment 2.
Icon: 10- hub motor；12- axle；20- hub motor；100- wheel hub；102- wheel rim；104- spoke；110-
Tire；200- installation axle；300- motor driven assembly；310- electric machine casing；320- stator；322- stator retainer；324- is fixed
Sub- winding；330- rotor；400- brake assembly；410- brake disc；420- friction plate；430- caliper；432- jaw；500- axis
It holds；600- motor driven assembly；620- stator；622- stator retainer；624- stator winding；630- rotor.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This
Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
Embodiment 1
The present embodiment provides a kind of hub motor 10, hub motor 10 is integrated for solving electric car conventional boss motor
Spend the problem of low and the practicability is poor.
Fig. 1, Fig. 2 and Fig. 3 are please referred to respectively, and Fig. 1 shows the hub motor 10 of this specific embodiment offer in the first view
Specific structure under angle, Fig. 2 shows specific structure of the hub motor 10 of this specific embodiment offer under the second visual angle, figures
3 show the specific structure of the wheel hub 100 of this specific embodiment offer.
Hub motor 10 is by axle 12, wheel hub 100, installation axle 200, motor driven assembly 300 and 400 groups of brake assembly
At.Wherein wheel hub 100 includes wheel rim 102 and spoke 104, and motor driven assembly 300 includes 310, two stators 320 of electric machine casing
With rotor 330, stator 320 includes stator retainer 322 and stator winding 324, and brake assembly 400 includes brake disc 410, two panels
Friction plate 420 and caliper 430.Installation axle 200 is bolted to connection with axle 12, and installation axle 200 is multi-diameter shaft, installation
Axis 200 sets gradually the limit shaft shoulder there are three different height in the axial direction, and the height of three limit shaft shoulders is as shown in Fig. 1
Successively successively decrease from right to left, wherein the left side of hub motor shown in FIG. 1 10 corresponds to the side of axle 12 shown in Fig. 2, motor
Shell 310 is set on the left of first limit shaft shoulder of installation axle 200, and the side of electric machine casing 310 and wheel rim 102 pass through bolt
It is fixedly connected；Two stators 320 and rotor 330 are arranged in electric machine casing 310, and wherein stator retainer 322 is installed on installation
On axis 200, stator winding 324 is wound in stator retainer 322, and rotor 330 is arranged between two stators 320 and and motor casing
Body 310 connects.Bearing 500 is arranged between first limit shaft shoulder of installation axle 200 and second limit shaft shoulder, wheel hub 100
It is rotatablely connected by bearing 500 and axle 12.The second limit shaft shoulder and third of installation axle 200 is arranged in caliper 430
It is fixedly connected between the limit shaft shoulder and with installation axle 200, caliper 430 has jaw 432, and brake disc 410 is arranged in jaw 432
Interior and be fixedly connected with wheel hub 100, two panels friction plate 420 is arranged between caliper 430 and brake disc 410, and friction plate 420 can
Brake disc 410 is clamped under the promotion of caliper 430 to make the deceleration or static of wheel hub 100 of rotation.Spoke 104 is located at bearing
Between 500 and wheel rim 102 and support wheel rim 102, wheel rim 102 are used to install the tire 110 of electric car.Hub motor 10 passes through
Motor driven assembly 300 and brake assembly 400 are cascading along the axial direction of installation axle 200, make wheel hub 100, electricity
Machine drive assembly 300 and brake assembly 400 are highly integrated, and motor driven assembly 300 is the magnetic field disc type electric machine being axially arranged, should
Motor has the characteristics that axial dimension is short, torque density is big, light-weight and high-efficient, guarantees that hub motor 10 is in axial direction stayed
There are enough space installation brake assemblies 400, hub motor 10 eliminates in traditional scheme between power device and transmission device
Transmitting, reduce energy consumption, improve whole efficiency.
In the present embodiment, brake assembly 400 is disk braking system, it should be noted that the utility model does not limit
The concrete form of brake assembly 400, in other specific embodiments, drum brake system is can also be used in brake assembly 400.
Specifically, the stator winding 324 in stator 320 generates magnetic field after being powered in the coil of winding, and rotor 330 is in magnetic
Forced rotation is in drive the electric machine casing 310 being attached thereto to rotate, electric machine casing 310 linkage wheel rim 102, tire 110
It rotates with brake disc 410, to realize the running movement of electric car, when needing to carry out the deceleration and brake of electric car, leads to
Crossing caliper 430 pushes friction plate 420 to clamp brake disc 410, to make the deceleration or static of wheel hub 100 of rotation, is finally reached
Electric car slows down or static effect.
Embodiment 2
The present embodiment provides a kind of hub motor 20, hub motor 20 is integrated for solving electric car conventional boss motor
Spend the problem of low and the practicability is poor.
Referring to FIG. 4, Fig. 4 shows the specific structure of the hub motor 20 of this specific embodiment offer.
Hub motor 20 is substantially identical as 10 structure of hub motor in above-described embodiment, the difference is that motor driven
Assembly 600 is different from the building block of motor driven assembly 300 in above-described embodiment.Motor driven assembly 600 includes one
Stator 620 and two rotors 630, stator 620 include stator retainer 622 and stator winding 624, and stator 620 is arranged at two
Between rotor 630.
In the present embodiment and above-described embodiment, two rotors 630 are respectively adopted and a stator 620 cooperatively forms motor
Drive assembly 600, a rotor 330 and two stators 320 cooperatively form motor driven assembly 300, it should be noted that this reality
With the novel concrete composition form for not limiting motor driven assembly 600 and motor driven assembly 300, in other specific embodiment parties
In formula, the motor form form of more rotor multiple stators can also be used.
Embodiment 3
The present embodiment provides a kind of electric car, electric car has any one wheel hub electricity in above-mentioned two embodiment
Machine, electric car is for solving the problems, such as that traditional electric vehicle structure complexity and transmission efficiency are low.
Highly integrated setting of the electric car by using any one hub motor in above-mentioned two embodiment, Neng Gouman
Demand of the sufficient electric car to torque and revolving speed, while simplify the overall structure of electric car preferably, it not will cause
Excessive transmitting energy consumption.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of hub motor, including wheel hub and axle, which is characterized in that further include:
Installation axle, the installation axle are fixedly connected with the axle；
Motor driven assembly, the motor driven assembly are connect with the wheel rim of the wheel hub；And
Brake assembly；
The motor driven assembly and the brake assembly are cascading along the axial direction of the installation axle in the peace
It fills on axis.
2. hub motor according to claim 1, it is characterised in that:
The motor driven assembly includes electric machine casing, stator and rotor, and the stator includes stator retainer and stator winding；
The electric machine casing is set in the installation axle, and the stator and the rotor are arranged in the electric machine casing；
The stator retainer is set in the installation axle, and the stator winding is wound in the stator retainer.
3. hub motor according to claim 2, it is characterised in that:
The electric machine casing is connect with the wheel rim.
4. hub motor according to claim 1, it is characterised in that:
The brake assembly includes brake disc, friction plate and caliper；
The brake disc is connect with the wheel hub, and the caliper is fixedly connected with the installation axle；
The caliper has jaw, and the brake disc is arranged in the jaw, and the friction plate is arranged in the caliper
Between the brake disc, the friction plate is configured to that the brake disc can be clamped under the promotion of the caliper.
5. hub motor according to claim 4, it is characterised in that:
The quantity of the friction plate is two panels.
6. hub motor according to claim 2, it is characterised in that:
The stator quantity is two, and the rotor quantity is one, and a rotor is arranged between two stators.
7. hub motor according to claim 2, it is characterised in that:
The rotor quantity is two, and the stator quantity is one, and a stator is arranged between two rotors.
8. hub motor according to claim 1, it is characterised in that:
It further include bearing；
The wheel hub is rotatablely connected by bearing and the axle.
9. hub motor according to claim 8, it is characterised in that:
The installation axle is multi-diameter shaft, and the multi-diameter shaft is configured to that the motor can be positioned along the axial direction of the installation axle
Drive assembly and the bearing.
10. a kind of electric car, it is characterised in that:
The electric car has hub motor of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821317508.4U CN208593290U (en) | 2018-08-15 | 2018-08-15 | A kind of hub motor and electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821317508.4U CN208593290U (en) | 2018-08-15 | 2018-08-15 | A kind of hub motor and electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208593290U true CN208593290U (en) | 2019-03-12 |
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ID=65604929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821317508.4U Active CN208593290U (en) | 2018-08-15 | 2018-08-15 | A kind of hub motor and electric car |
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| Country | Link |
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| CN (1) | CN208593290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849871A (en) * | 2019-03-25 | 2019-06-07 | 核心驱动科技（金华）有限公司 | Parking braking system and vehicle |
-
2018
- 2018-08-15 CN CN201821317508.4U patent/CN208593290U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849871A (en) * | 2019-03-25 | 2019-06-07 | 核心驱动科技（金华）有限公司 | Parking braking system and vehicle |
| CN109849871B (en) * | 2019-03-25 | 2023-10-10 | 浙江盘毂动力科技有限公司 | Parking brake system and vehicle |
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Address after: 321000 No. 23 Road, Jiangnan Park, Lanxi Economic Development Zone, Jinhua City, Zhejiang Province Patentee after: Zhejiang Panhu Power Technology Co., Ltd. Address before: 321000 No. 23 Road, Jiangnan Park, Lanxi Economic Development Zone, Jinhua City, Zhejiang Province Patentee before: Core drive technology (Jinhua) Co., Ltd. |