CN208439070U - Wheel hub drive and vehicle - Google Patents
Wheel hub drive and vehicle Download PDFInfo
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- CN208439070U CN208439070U CN201821036036.5U CN201821036036U CN208439070U CN 208439070 U CN208439070 U CN 208439070U CN 201821036036 U CN201821036036 U CN 201821036036U CN 208439070 U CN208439070 U CN 208439070U
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- wheel hub
- gear
- arm
- hub drive
- primary speed
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Abstract
The utility model discloses a kind of wheel hub drive and vehicles, wheel hub drive includes: independent suspension, is located at the wheel hub and driving part of independent suspension two sides, primary speed-down mechanism, two reduction gear connects the semiaxis of primary speed-down mechanism and two reduction gear；Wherein, driving part passes through primary speed-down mechanism, semiaxis and the rotation of two reduction gear drive hub；Independent suspension includes: upper arm, and lower arm connects the intermediate supports arm of upper and lower arms, the outer end cap being fixedly connected with intermediate supports arm；Driving part is set on outer end cap, and primary speed-down mechanism is arranged between support arm and outer end cap, and two reduction gear is located at side of the wheel hub far from intermediate supports arm.Above-mentioned wheel hub drive can reduce complete vehicle weight, increase the course continuation mileage of vehicle；The entire occupied space of deceleration mechanism is also reduced, the width of vehicle central gangway is increased.
Description
Technical field
The utility model relates to Direct wheel drives technical fields, more specifically to a kind of wheel hub drive and vehicle.
Background technique
Direct wheel drives bridge has many advantages, such as that transmission efficiency is higher, energy utilization rate is higher, applies in new energy vehicle
It is more and more.
Direct wheel drives mostly use greatly the drive axle structure with C-type beam, and this structural span is larger, whole cumbersome, in
Between passageway it is relatively narrow, energy density is lower, can not play the advantage of new energy well.And use the drive of double cross arm independent suspension
Dynamic bridge, two sides wheel can move alone and be independent of each other；Nonspring carried mass is reduced, the ride comfort of vehicle is conducive to；Using disconnected
Open type vehicle bridge can reduce engine location, reduce vehicle center of gravity；Wheel movement space is larger, can reduce suspension rate, change
Kind ride comfort.
For the wheel hub drive using double cross arm independent suspension, motor is slowed down by reduction gearbox and motor passes through
Reduction gearbox drives vehicle wheel rotation.Since reduction gearbox volume is larger, weight is larger, then causes complete vehicle weight larger, the continuation of the journey of vehicle
Mileage is smaller.
In conclusion how to design wheel hub drive, to reduce complete vehicle weight, increases the course continuation mileage of vehicle, be mesh
Preceding those skilled in the art's urgent problem to be solved.
Utility model content
In view of this, to reduce complete vehicle weight, increasing vehicle the purpose of the utility model is to provide a kind of wheel hub drive
Course continuation mileage.The another object of the utility model is to provide a kind of vehicle with above-mentioned wheel hub drive.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of wheel hub drive, comprising:
Independent suspension, is located at the wheel hub and driving part of the independent suspension two sides, primary speed-down mechanism, and second level subtracts
Fast mechanism connects the semiaxis of the primary speed-down mechanism and the two reduction gear；
Wherein, the driving part is driven by the primary speed-down mechanism, the semiaxis and the two reduction gear
The hub rotation；
The independent suspension includes: upper arm, and lower arm connects the intermediate supports arm of the upper arm and the lower arm, and described
The outer end cap that intermediate supports arm is fixedly connected；The driving part is set on the outer end cap, and the primary speed-down mechanism is set
It sets between the support arm and the outer end cap, the two reduction gear is located at the wheel hub far from the intermediate supports arm
Side.
Preferably, the primary speed-down mechanism is parallel gears deceleration mechanism, and the two reduction gear is planetary gear
Mechanism.
Preferably, the primary speed-down mechanism includes: input shaft, the driving gear being set on the input shaft, with institute
The driven gear for stating driving gear engagement, the output shaft with driven gear transmission connection；Wherein, the driving part and institute
Input shaft transmission connection is stated, the semiaxis and the output shaft are sequentially connected.
Preferably, the input shaft and the driving gear are an integral structure, the output shaft and the driven gear
It is an integral structure.
Preferably, the two reduction gear includes: planet carrier, the planetary gear being fixed on the planet carrier, and described
The outer gear ring of planetary gear engagement, the sun gear engaged with the planetary gear；
Wherein, the sun gear is set to the semiaxis, and the outer gear ring is fixedly linked with the intermediate supports arm, described
Planet carrier is fixedly linked with the wheel hub.
Preferably, the sun gear is an integral structure with the semiaxis.
Preferably, the outer gear ring is fixedly linked by axle tube and the intermediate supports arm；
The axle tube is coated at the semiaxis, and one end and the independent suspension of the axle tube are fixedly linked, described
The other end of axle tube is fixedly linked with the outer gear ring；
The outer gear ring is coated at the axle tube, and the axle tube and the outer gear ring turn with the wheel hub
Dynamic cooperation.
Preferably, the two reduction gear further includes deceleration shell, and the planet carrier passes through the deceleration shell and institute
Wheel hub is stated to be fixedly linked.
Preferably, the independent suspension further include: the damper and air bag being fixed on the intermediate supports arm, for connecting
Pick up the bracket of frame and the damper, and the mounting plate for connecting the vehicle frame and the air bag.
Based on the wheel hub drive of above-mentioned offer, the utility model additionally provides a kind of vehicle, which includes wheel side
Driving device, the wheel hub drive are wheel hub drive described in any of the above embodiments.
Wheel hub drive provided by the utility model, by the way that driving part and wheel hub are separately positioned on independent suspension
Two sides, and primary speed-down mechanism is arranged between the intermediate supports arm of independent suspension and outer end cap, two reduction gear is located at wheel
Side of the hub far from intermediate supports arm is utilized solely in this way, primary speed-down mechanism takes full advantage of the self structure of independent suspension
Vertical suspension plays the role of the shell of primary speed-down mechanism, the shell that primary speed-down mechanism is separately provided is no longer needed to, to subtract
Small weight, then can reduce complete vehicle weight, increase the course continuation mileage of vehicle.
Meanwhile in wheel hub drive provided by the utility model, primary speed-down mechanism takes full advantage of independent suspension
Self structure effectively reduces the entire occupied space of deceleration mechanism, to reduce without individually occupying additional space
The volume of entire deceleration mechanism；In the vehicle width direction, wheel hub drive the space occupied is effectively reduced, to increase
The width of vehicle central gangway.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of wheel hub drive provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of two reduction gear in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, wheel hub drive provided by the embodiment of the utility model includes: independent suspension, respectively position
Wheel hub 1 and driving part 13 in independent suspension two sides, primary speed-down mechanism, two reduction gear connect primary speed-down mechanism
With the semiaxis 10 of two reduction gear.
Above-mentioned driving part 13 is rotated by primary speed-down mechanism, semiaxis 10 and two reduction gear drive hub 1.It can be with
Understanding, primary speed-down mechanism and two reduction gear are separately positioned on the both ends of semiaxis 10, and primary speed-down mechanism passes through half
Axis 10 and two reduction gear are sequentially connected.
Above-mentioned independent suspension includes: upper arm 16, and lower arm 17 connects the intermediate supports arm 15 of upper arm 16 and lower arm 17, in
Between the outer end cap 24 that is fixedly connected of support arm 15；Driving part 13 is set on outer end cap 24, and the setting of primary speed-down mechanism is being propped up
Between brace and outer end cap 24, two reduction gear is located at side of the wheel hub 1 far from support arm.
Above-mentioned driving part 13 is motor, can be other rotary driving parts, such as rotary cylinder etc..Above-mentioned independent suspension
For double cross arm independent suspension.Certainly, above-mentioned independent suspension can also be selected as needed for other types, it is not limited to this.
Wheel hub drive provided by the embodiment of the utility model, by the way that driving part 13 and wheel hub 1 to be separately positioned on
The two sides of independent suspension, and primary speed-down mechanism is arranged between the intermediate supports arm 15 of independent suspension and outer end cap 24, second level
Deceleration mechanism is located at side of the wheel hub 1 far from intermediate supports arm 15, in this way, primary speed-down mechanism takes full advantage of independent suspension
The shell that independent suspension plays the role of primary speed-down mechanism is utilized in self structure, no longer needs to that primary speed-down is separately provided
The shell of mechanism can then reduce complete vehicle weight to reduce weight, increase the course continuation mileage of vehicle.
Meanwhile in wheel hub drive provided by the embodiment of the utility model, primary speed-down mechanism takes full advantage of independence
The self structure of suspension effectively reduces the entire occupied space of deceleration mechanism without individually occupancy additional space, thus
Reduce the volume of entire deceleration mechanism；Correspondingly, in the vehicle width direction, effectively reducing the sky of wheel hub drive occupancy
Between, to increase the width of vehicle central gangway.
For the concrete type and structure of primary speed-down mechanism and two reduction gear, it is designed according to actual needs,
The utility model embodiment does not limit this.In order to shorten the length of vehicle, it is flat for preferentially selecting above-mentioned primary speed-down mechanism
Row gear reduction, two reduction gear are planetary gear mechanism.
In above structure, it can be achieved that compared with the deceleration transmission of large transmission ratio and compact-sized high-power transmission.
Preferably, primary speed-down mechanism includes: input shaft 12, the driving gear 20 being set on input shaft 12, with active
The driven gear 25 that gear 20 engages, the output shaft 11 being sequentially connected with driven gear 25；Wherein, driving part 13 and input shaft
12 transmission connections, semiaxis 10 and output shaft 11 are sequentially connected.
For the ease of installation, the drive shaft and input shaft 12 of above-mentioned driving part 13 are sequentially connected by spline 14.Certainly,
Also other modes may be selected and realize transmission connection, it is not limited to this.
In order to simplify structure and installation, above-mentioned input shaft 12 and driving gear 20 are an integral structure, output shaft 11 and from
Moving gear 25 is an integral structure.Certainly, it is split type structure that above-mentioned integral structure, which also may be selected, it is not limited to this.
Preferably, above-mentioned two reduction gear includes: planet carrier 5, the planetary gear 6 being fixed on planet carrier 5, with planetary gear
The outer gear ring 9 of 6 engagements, the sun gear 19 engaged with planetary gear 6；Wherein, sun gear 19 is set to semiaxis 10, and outer gear ring 9 is in
Between support arm 15 be fixedly linked, planet carrier 5 is fixedly linked with wheel hub 1.
As shown in Fig. 2, the planet tooth 26 on above-mentioned planetary gear 6 is engaged with the outer gear ring tooth 27 in outer gear ring 9.Planetary gear 6
It is mounted on planet wheel spindle 7, when two reduction gear further includes deceleration shell 4, planet wheel spindle 7 is relatively solid with deceleration shell 4
It is fixed.
In order to simplify structure and installation, above-mentioned sun gear 19 is preferentially selected to be an integral structure with semiaxis 10.Certainly, may be used
Selecting sun gear 19 and semiaxis 10 is two individual components, it is not limited to this.
Outer gear ring 9 and intermediate supports arm 15 are fixedly linked, and there are a variety of connection structures.For the ease of assembly, aforementioned external teeth
Circle 9 is fixedly linked by axle tube 8 with intermediate supports arm 15.The axle tube 8 is coated at semiaxis 10, and the one of axle tube 8
End is fixedly linked with independent suspension, and the other end and the outer gear ring 9 of axle tube 8 are fixedly linked；Outer gear ring 9 is coated at axle tube
8, and axle tube 8 and outer gear ring 9 are rotatably assorted with wheel hub 1.
Specifically, axle tube 8 is rotatably assorted with wheel hub 1 by first bearing 2, and outer gear ring 9 passes through second bearing 3 and wheel
Hub 1 is rotatably assorted.
It is understood that semiaxis 10 can rotate in axle tube 8.
Above-mentioned planet carrier 5 is fixedly linked with wheel hub 1, and there are various structures.For the ease of installation, above-mentioned two reduction gear
It further include deceleration shell 4, planet carrier 5 is fixedly linked by deceleration shell 4 with wheel hub 1.
Specifically, deceleration shell 4 is coated at planet carrier 5, and planet carrier 5 is fixedly connected with deceleration shell 4, deceleration shell 4 with
Wheel hub 1 is fixedly connected.
In above structure, by the way that deceleration shell 4 is arranged, the protection to two reduction gear is also achieved, use is extended
Service life.
In order to improve damping effect, above-mentioned independent suspension further include: 23 He of damper being fixed on intermediate supports arm 15
Air bag 18, for the bracket 22 of connecting vehicle frame and damper 23, and for the mounting plate 21 of connecting vehicle frame and air bag 18.
Specifically, one end of bracket 22 is fixedly connected with damper 23, and the other end of bracket 22 is used for and the fixed company of vehicle frame
It connects；One end of mounting plate 21 is fixedly connected with air bag 18, and the other end of mounting plate 21 with vehicle frame for being fixedly connected.
In above-mentioned independent suspension, upper arm 16 and lower arm 17 are fixedly connected with vehicle frame, for the ease of connecting and improving support
Performance, above-mentioned upper arm 16 and lower arm 17 are in A font.Certainly, above-mentioned upper arm 16 also may be selected and lower arm 17 is other shapes, and
It is not limited to this.
Wheel hub drive provided by the embodiment of the utility model has the advantage that
Wheel movement space is larger, can reduce suspension rate, improves ride comfort；
Nonspring carried mass is reduced, the ride comfort of automobile is conducive to；
Two sides wheel can move alone and be independent of each other；
Realize the deceleration transmission of large transmission ratio；
Realize compact-sized high-power transmission；
Help to mitigate gross combination weight, increases vehicle central gangway width, increase the course continuation mileage of vehicle.
The wheel hub drive provided based on the above embodiment, the utility model embodiment additionally provide a kind of vehicle, should
Vehicle includes wheel hub drive, which is wheel hub drive described in above-described embodiment.
Since above-mentioned wheel hub drive has above-mentioned technique effect, above-mentioned vehicle includes above-mentioned wheel hub drive, then
Above-mentioned vehicle also has corresponding technical effect, and repeats no more herein.
Preferably, above-mentioned vehicle is new energy vehicle.Certainly, it is other types that above-mentioned vehicle, which also may be selected, is not limited to
In this.
The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the utility model.
Various modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this is practical new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (10)
1. a kind of wheel hub drive characterized by comprising
Independent suspension, is located at the wheel hub (1) and driving part (13) of the independent suspension two sides, primary speed-down mechanism, and two
Grade deceleration mechanism, connects the semiaxis (10) of the primary speed-down mechanism and the two reduction gear；
Wherein, the driving part (13) passes through the primary speed-down mechanism, the semiaxis (10) and the two reduction gear
The wheel hub (1) is driven to rotate；
The independent suspension includes: upper arm (16), and lower arm (17) connects the intermediate branch of the upper arm (16) and the lower arm (17)
Brace (15), the outer end cap (24) being fixedly connected with the intermediate supports arm (15)；The driving part (13) is set to described
On outer end cap (24), the primary speed-down mechanism is arranged between the support arm and the outer end cap (24), and the second level subtracts
Fast mechanism is located at side of the wheel hub (1) far from the intermediate supports arm (15).
2. wheel hub drive according to claim 1, which is characterized in that the primary speed-down mechanism subtracts for parallel gears
Fast mechanism, the two reduction gear are planetary gear mechanism.
3. wheel hub drive according to claim 2, which is characterized in that
The primary speed-down mechanism includes: input shaft (12), the driving gear (20) being set on the input shaft (12), with institute
The driven gear (25) for stating driving gear (20) engagement, the output shaft (11) with the driven gear (25) transmission connection；Wherein,
The driving part (13) and the input shaft (12) are sequentially connected, and the semiaxis (10) and the output shaft (11) transmission connect
It connects.
4. wheel hub drive according to claim 3, which is characterized in that the input shaft (12) and the driving gear
(20) it is an integral structure, the output shaft (11) and the driven gear (25) are an integral structure.
5. wheel hub drive according to claim 2, which is characterized in that
The two reduction gear includes: planet carrier (5), the planetary gear (6) being fixed on the planet carrier (5), with the row
The outer gear ring (9) of star-wheel (6) engagement, the sun gear (19) engaged with the planetary gear (6)；
Wherein, the sun gear (19) is set to the semiaxis (10), and the outer gear ring (9) and the intermediate supports arm (15) are solid
Fixed to be connected, the planet carrier (5) is fixedly linked with the wheel hub (1).
6. wheel hub drive according to claim 5, which is characterized in that the sun gear (19) and the semiaxis (10)
It is an integral structure.
7. wheel hub drive according to claim 5, which is characterized in that
The outer gear ring (9) is fixedly linked by axle tube (8) with the intermediate supports arm (15)；
The axle tube (8) is coated at the semiaxis (10), one end of the axle tube (8) and independent suspension stationary phase
Even, the other end and the outer gear ring (9) of the axle tube (8) are fixedly linked；
The outer gear ring (9) is coated at the axle tube (8), and the axle tube (8) and the outer gear ring (9) are and institute
Wheel hub (1) is stated to be rotatably assorted.
8. wheel hub drive according to claim 5, which is characterized in that the two reduction gear further includes outside slowing down
Shell (4), the planet carrier (5) are fixedly linked by the deceleration shell (4) with the wheel hub (1).
9. wheel hub drive according to claim 1 to 8, which is characterized in that the independent suspension also wraps
Include: the damper (23) and air bag (18) being fixed on the intermediate supports arm (15) are used for connecting vehicle frame and the damper
(23) bracket (22), and the mounting plate (21) for connecting the vehicle frame and the air bag (18).
10. a kind of vehicle, including wheel hub drive, which is characterized in that the wheel hub drive is as in claim 1-9
Described in any item wheel hub drives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821036036.5U CN208439070U (en) | 2018-07-02 | 2018-07-02 | Wheel hub drive and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821036036.5U CN208439070U (en) | 2018-07-02 | 2018-07-02 | Wheel hub drive and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208439070U true CN208439070U (en) | 2019-01-29 |
Family
ID=65087045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821036036.5U Active CN208439070U (en) | 2018-07-02 | 2018-07-02 | Wheel hub drive and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208439070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001381A (en) * | 2019-04-16 | 2019-07-12 | 智导灵(苏州)智能科技有限公司 | A kind of new-energy automobile wheel side separated type drive assembly |
-
2018
- 2018-07-02 CN CN201821036036.5U patent/CN208439070U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001381A (en) * | 2019-04-16 | 2019-07-12 | 智导灵(苏州)智能科技有限公司 | A kind of new-energy automobile wheel side separated type drive assembly |
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| GR01 | Patent grant | ||
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Address after: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang Patentee after: Zhejiang Panhu Power Technology Co., Ltd. Address before: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang Patentee before: Core drive technology (Jinhua) Co., Ltd. |